projekt_wyklad_6_freertos.elf: file format elf32-littlearm Sections: Idx Name Size VMA LMA File off Algn 0 .text 00002b28 00080000 00080000 00010000 2**4 CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .relocate 00000434 20000000 00082b28 00020000 2**3 CONTENTS, ALLOC, LOAD, DATA 2 .bss 0000a1b8 20000434 00082f5c 00020434 2**2 ALLOC 3 .stack 00000404 2000a5ec 0008d114 00020434 2**0 ALLOC 4 .heap 00000200 2000a9f0 0008d518 00020434 2**0 ALLOC 5 .ARM.attributes 00000029 00000000 00000000 00020434 2**0 CONTENTS, READONLY 6 .comment 00000059 00000000 00000000 0002045d 2**0 CONTENTS, READONLY 7 .debug_info 000098b6 00000000 00000000 000204b6 2**0 CONTENTS, READONLY, DEBUGGING 8 .debug_abbrev 000013bc 00000000 00000000 00029d6c 2**0 CONTENTS, READONLY, DEBUGGING 9 .debug_loc 00002a80 00000000 00000000 0002b128 2**0 CONTENTS, READONLY, DEBUGGING 10 .debug_aranges 00000538 00000000 00000000 0002dba8 2**0 CONTENTS, READONLY, DEBUGGING 11 .debug_ranges 000004a8 00000000 00000000 0002e0e0 2**0 CONTENTS, READONLY, DEBUGGING 12 .debug_macro 00012502 00000000 00000000 0002e588 2**0 CONTENTS, READONLY, DEBUGGING 13 .debug_line 00004493 00000000 00000000 00040a8a 2**0 CONTENTS, READONLY, DEBUGGING 14 .debug_str 0005add2 00000000 00000000 00044f1d 2**0 CONTENTS, READONLY, DEBUGGING 15 .debug_frame 00001630 00000000 00000000 0009fcf0 2**2 CONTENTS, READONLY, DEBUGGING Disassembly of section .text: 00080000 : 80000: f0 a9 00 20 61 01 08 00 e9 01 08 00 e9 01 08 00 ... a........... 80010: e9 01 08 00 e9 01 08 00 e9 01 08 00 00 00 00 00 ................ ... 8002c: b1 06 08 00 e9 01 08 00 00 00 00 00 91 08 08 00 ................ 8003c: d9 08 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 8004c: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 8005c: e9 01 08 00 e9 01 08 00 e9 01 08 00 00 00 00 00 ................ 8006c: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ ... 80084: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 80094: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 800a4: 00 00 00 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 800b4: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 800c4: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 800d4: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 800e4: e9 01 08 00 e9 01 08 00 e9 01 08 00 e9 01 08 00 ................ 000800f4 <__do_global_dtors_aux>: 800f4: b510 push {r4, lr} 800f6: 4c05 ldr r4, [pc, #20] ; (8010c <__do_global_dtors_aux+0x18>) 800f8: 7823 ldrb r3, [r4, #0] 800fa: b933 cbnz r3, 8010a <__do_global_dtors_aux+0x16> 800fc: 4b04 ldr r3, [pc, #16] ; (80110 <__do_global_dtors_aux+0x1c>) 800fe: b113 cbz r3, 80106 <__do_global_dtors_aux+0x12> 80100: 4804 ldr r0, [pc, #16] ; (80114 <__do_global_dtors_aux+0x20>) 80102: f3af 8000 nop.w 80106: 2301 movs r3, #1 80108: 7023 strb r3, [r4, #0] 8010a: bd10 pop {r4, pc} 8010c: 20000434 .word 0x20000434 80110: 00000000 .word 0x00000000 80114: 00082b28 .word 0x00082b28 00080118 : 80118: 4b0c ldr r3, [pc, #48] ; (8014c ) 8011a: b143 cbz r3, 8012e 8011c: 480c ldr r0, [pc, #48] ; (80150 ) 8011e: b510 push {r4, lr} 80120: 490c ldr r1, [pc, #48] ; (80154 ) 80122: f3af 8000 nop.w 80126: 480c ldr r0, [pc, #48] ; (80158 ) 80128: 6803 ldr r3, [r0, #0] 8012a: b923 cbnz r3, 80136 8012c: bd10 pop {r4, pc} 8012e: 480a ldr r0, [pc, #40] ; (80158 ) 80130: 6803 ldr r3, [r0, #0] 80132: b933 cbnz r3, 80142 80134: 4770 bx lr 80136: 4b09 ldr r3, [pc, #36] ; (8015c ) 80138: 2b00 cmp r3, #0 8013a: d0f7 beq.n 8012c 8013c: e8bd 4010 ldmia.w sp!, {r4, lr} 80140: 4718 bx r3 80142: 4b06 ldr r3, [pc, #24] ; (8015c ) 80144: 2b00 cmp r3, #0 80146: d0f5 beq.n 80134 80148: 4718 bx r3 8014a: bf00 nop 8014c: 00000000 .word 0x00000000 80150: 00082b28 .word 0x00082b28 80154: 20000438 .word 0x20000438 80158: 00082b28 .word 0x00082b28 8015c: 00000000 .word 0x00000000 00080160 : /** * \brief This is the code that gets called on processor reset. * To initialize the device, and call the main() routine. */ void Reset_Handler(void) { 80160: b580 push {r7, lr} 80162: b082 sub sp, #8 80164: af00 add r7, sp, #0 uint32_t *pSrc, *pDest; /* Initialize the relocate segment */ pSrc = &_etext; 80166: 4b17 ldr r3, [pc, #92] ; (801c4 ) 80168: 607b str r3, [r7, #4] pDest = &_srelocate; 8016a: 4b17 ldr r3, [pc, #92] ; (801c8 ) 8016c: 603b str r3, [r7, #0] if (pSrc != pDest) { 8016e: 687a ldr r2, [r7, #4] 80170: 683b ldr r3, [r7, #0] 80172: 429a cmp r2, r3 80174: d00c beq.n 80190 for (; pDest < &_erelocate;) { 80176: e007 b.n 80188 *pDest++ = *pSrc++; 80178: 683b ldr r3, [r7, #0] 8017a: 1d1a adds r2, r3, #4 8017c: 603a str r2, [r7, #0] 8017e: 687a ldr r2, [r7, #4] 80180: 1d11 adds r1, r2, #4 80182: 6079 str r1, [r7, #4] 80184: 6812 ldr r2, [r2, #0] 80186: 601a str r2, [r3, #0] for (; pDest < &_erelocate;) { 80188: 683b ldr r3, [r7, #0] 8018a: 4a10 ldr r2, [pc, #64] ; (801cc ) 8018c: 4293 cmp r3, r2 8018e: d3f3 bcc.n 80178 } } /* Clear the zero segment */ for (pDest = &_szero; pDest < &_ezero;) { 80190: 4b0f ldr r3, [pc, #60] ; (801d0 ) 80192: 603b str r3, [r7, #0] 80194: e004 b.n 801a0 *pDest++ = 0; 80196: 683b ldr r3, [r7, #0] 80198: 1d1a adds r2, r3, #4 8019a: 603a str r2, [r7, #0] 8019c: 2200 movs r2, #0 8019e: 601a str r2, [r3, #0] for (pDest = &_szero; pDest < &_ezero;) { 801a0: 683b ldr r3, [r7, #0] 801a2: 4a0c ldr r2, [pc, #48] ; (801d4 ) 801a4: 4293 cmp r3, r2 801a6: d3f6 bcc.n 80196 } /* Set the vector table base address */ pSrc = (uint32_t *) & _sfixed; 801a8: 4b0b ldr r3, [pc, #44] ; (801d8 ) 801aa: 607b str r3, [r7, #4] SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk); 801ac: 4a0b ldr r2, [pc, #44] ; (801dc ) 801ae: 687b ldr r3, [r7, #4] 801b0: f023 4360 bic.w r3, r3, #3758096384 ; 0xe0000000 801b4: f023 037f bic.w r3, r3, #127 ; 0x7f 801b8: 6093 str r3, [r2, #8] /* Initialize the C library */ __libc_init_array(); 801ba: 4b09 ldr r3, [pc, #36] ; (801e0 ) 801bc: 4798 blx r3 /* Branch to main function */ main(); 801be: 4b09 ldr r3, [pc, #36] ; (801e4 ) 801c0: 4798 blx r3 /* Infinite loop */ while (1); 801c2: e7fe b.n 801c2 801c4: 00082b28 .word 0x00082b28 801c8: 20000000 .word 0x20000000 801cc: 20000434 .word 0x20000434 801d0: 20000434 .word 0x20000434 801d4: 2000a5ec .word 0x2000a5ec 801d8: 00080000 .word 0x00080000 801dc: e000ed00 .word 0xe000ed00 801e0: 000827d9 .word 0x000827d9 801e4: 00080555 .word 0x00080555 000801e8 : /** * \brief Default interrupt handler for unused IRQs. */ void Dummy_Handler(void) { 801e8: b480 push {r7} 801ea: af00 add r7, sp, #0 while (1) { 801ec: e7fe b.n 801ec ... 000801f0 : static size_t xNextFreeByte = ( size_t ) 0; /*-----------------------------------------------------------*/ void *pvPortMalloc( size_t xWantedSize ) { 801f0: b580 push {r7, lr} 801f2: b084 sub sp, #16 801f4: af00 add r7, sp, #0 801f6: 6078 str r0, [r7, #4] void *pvReturn = NULL; 801f8: 2300 movs r3, #0 801fa: 60fb str r3, [r7, #12] static uint8_t *pucAlignedHeap = NULL; /* Ensure that blocks are always aligned to the required number of bytes. */ #if( portBYTE_ALIGNMENT != 1 ) { if( xWantedSize & portBYTE_ALIGNMENT_MASK ) 801fc: 687b ldr r3, [r7, #4] 801fe: f003 0307 and.w r3, r3, #7 80202: 2b00 cmp r3, #0 80204: d004 beq.n 80210 { /* Byte alignment required. */ xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ); 80206: 687b ldr r3, [r7, #4] 80208: f023 0307 bic.w r3, r3, #7 8020c: 3308 adds r3, #8 8020e: 607b str r3, [r7, #4] } } #endif vTaskSuspendAll(); 80210: 4b19 ldr r3, [pc, #100] ; (80278 ) 80212: 4798 blx r3 { if( pucAlignedHeap == NULL ) 80214: 4b19 ldr r3, [pc, #100] ; (8027c ) 80216: 681b ldr r3, [r3, #0] 80218: 2b00 cmp r3, #0 8021a: d105 bne.n 80228 { /* Ensure the heap starts on a correctly aligned boundary. */ pucAlignedHeap = ( uint8_t * ) ( ( ( portPOINTER_SIZE_TYPE ) &ucHeap[ portBYTE_ALIGNMENT ] ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); 8021c: 4b18 ldr r3, [pc, #96] ; (80280 ) 8021e: f023 0307 bic.w r3, r3, #7 80222: 461a mov r2, r3 80224: 4b15 ldr r3, [pc, #84] ; (8027c ) 80226: 601a str r2, [r3, #0] } /* Check there is enough room left for the allocation. */ if( ( ( xNextFreeByte + xWantedSize ) < configADJUSTED_HEAP_SIZE ) && 80228: 4b16 ldr r3, [pc, #88] ; (80284 ) 8022a: 681a ldr r2, [r3, #0] 8022c: 687b ldr r3, [r7, #4] 8022e: 4413 add r3, r2 80230: f649 72f7 movw r2, #40951 ; 0x9ff7 80234: 4293 cmp r3, r2 80236: d813 bhi.n 80260 ( ( xNextFreeByte + xWantedSize ) > xNextFreeByte ) )/* Check for overflow. */ 80238: 4b12 ldr r3, [pc, #72] ; (80284 ) 8023a: 681a ldr r2, [r3, #0] 8023c: 687b ldr r3, [r7, #4] 8023e: 441a add r2, r3 80240: 4b10 ldr r3, [pc, #64] ; (80284 ) 80242: 681b ldr r3, [r3, #0] if( ( ( xNextFreeByte + xWantedSize ) < configADJUSTED_HEAP_SIZE ) && 80244: 429a cmp r2, r3 80246: d90b bls.n 80260 { /* Return the next free byte then increment the index past this block. */ pvReturn = pucAlignedHeap + xNextFreeByte; 80248: 4b0c ldr r3, [pc, #48] ; (8027c ) 8024a: 681a ldr r2, [r3, #0] 8024c: 4b0d ldr r3, [pc, #52] ; (80284 ) 8024e: 681b ldr r3, [r3, #0] 80250: 4413 add r3, r2 80252: 60fb str r3, [r7, #12] xNextFreeByte += xWantedSize; 80254: 4b0b ldr r3, [pc, #44] ; (80284 ) 80256: 681a ldr r2, [r3, #0] 80258: 687b ldr r3, [r7, #4] 8025a: 4413 add r3, r2 8025c: 4a09 ldr r2, [pc, #36] ; (80284 ) 8025e: 6013 str r3, [r2, #0] } traceMALLOC( pvReturn, xWantedSize ); } ( void ) xTaskResumeAll(); 80260: 4b09 ldr r3, [pc, #36] ; (80288 ) 80262: 4798 blx r3 #if( configUSE_MALLOC_FAILED_HOOK == 1 ) { if( pvReturn == NULL ) 80264: 68fb ldr r3, [r7, #12] 80266: 2b00 cmp r3, #0 80268: d101 bne.n 8026e { extern void vApplicationMallocFailedHook( void ); vApplicationMallocFailedHook(); 8026a: 4b08 ldr r3, [pc, #32] ; (8028c ) 8026c: 4798 blx r3 } } #endif return pvReturn; 8026e: 68fb ldr r3, [r7, #12] } 80270: 4618 mov r0, r3 80272: 3710 adds r7, #16 80274: 46bd mov sp, r7 80276: bd80 pop {r7, pc} 80278: 00081705 .word 0x00081705 8027c: 2000a454 .word 0x2000a454 80280: 20000458 .word 0x20000458 80284: 2000a450 .word 0x2000a450 80288: 00081721 .word 0x00081721 8028c: 00080489 .word 0x00080489 00080290 : /*-----------------------------------------------------------*/ void vPortFree( void *pv ) { 80290: b480 push {r7} 80292: b085 sub sp, #20 80294: af00 add r7, sp, #0 80296: 6078 str r0, [r7, #4] heap_4.c for alternative implementations, and the memory management pages of http://www.FreeRTOS.org for more information. */ ( void ) pv; /* Force an assert as it is invalid to call this function. */ configASSERT( pv == NULL ); 80298: 687b ldr r3, [r7, #4] 8029a: 2b00 cmp r3, #0 8029c: d009 beq.n 802b2 portFORCE_INLINE static void vPortRaiseBASEPRI( void ) { uint32_t ulNewBASEPRI; __asm volatile 8029e: f04f 03a0 mov.w r3, #160 ; 0xa0 802a2: f383 8811 msr BASEPRI, r3 802a6: f3bf 8f6f isb sy 802aa: f3bf 8f4f dsb sy 802ae: 60fb str r3, [r7, #12] 802b0: e7fe b.n 802b0 } 802b2: bf00 nop 802b4: 3714 adds r7, #20 802b6: 46bd mov sp, r7 802b8: bc80 pop {r7} 802ba: 4770 bx lr 000802bc : xNextFreeByte = ( size_t ) 0; } /*-----------------------------------------------------------*/ size_t xPortGetFreeHeapSize( void ) { 802bc: b480 push {r7} 802be: af00 add r7, sp, #0 return ( configADJUSTED_HEAP_SIZE - xNextFreeByte ); 802c0: 4b04 ldr r3, [pc, #16] ; (802d4 ) 802c2: 681b ldr r3, [r3, #0] 802c4: f5c3 431f rsb r3, r3, #40704 ; 0x9f00 802c8: 33f8 adds r3, #248 ; 0xf8 } 802ca: 4618 mov r0, r3 802cc: 46bd mov sp, r7 802ce: bc80 pop {r7} 802d0: 4770 bx lr 802d2: bf00 nop 802d4: 2000a450 .word 0x2000a450 000802d8 : /*----------------------------------------------------------- * PUBLIC LIST API documented in list.h *----------------------------------------------------------*/ void vListInitialise( List_t * const pxList ) { 802d8: b480 push {r7} 802da: b083 sub sp, #12 802dc: af00 add r7, sp, #0 802de: 6078 str r0, [r7, #4] /* The list structure contains a list item which is used to mark the end of the list. To initialise the list the list end is inserted as the only list entry. */ pxList->pxIndex = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ 802e0: 687b ldr r3, [r7, #4] 802e2: f103 0208 add.w r2, r3, #8 802e6: 687b ldr r3, [r7, #4] 802e8: 605a str r2, [r3, #4] /* The list end value is the highest possible value in the list to ensure it remains at the end of the list. */ pxList->xListEnd.xItemValue = portMAX_DELAY; 802ea: 687b ldr r3, [r7, #4] 802ec: f04f 32ff mov.w r2, #4294967295 802f0: 609a str r2, [r3, #8] /* The list end next and previous pointers point to itself so we know when the list is empty. */ pxList->xListEnd.pxNext = ( ListItem_t * ) &( pxList->xListEnd ); /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ 802f2: 687b ldr r3, [r7, #4] 802f4: f103 0208 add.w r2, r3, #8 802f8: 687b ldr r3, [r7, #4] 802fa: 60da str r2, [r3, #12] pxList->xListEnd.pxPrevious = ( ListItem_t * ) &( pxList->xListEnd );/*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. */ 802fc: 687b ldr r3, [r7, #4] 802fe: f103 0208 add.w r2, r3, #8 80302: 687b ldr r3, [r7, #4] 80304: 611a str r2, [r3, #16] pxList->uxNumberOfItems = ( UBaseType_t ) 0U; 80306: 687b ldr r3, [r7, #4] 80308: 2200 movs r2, #0 8030a: 601a str r2, [r3, #0] /* Write known values into the list if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ listSET_LIST_INTEGRITY_CHECK_1_VALUE( pxList ); listSET_LIST_INTEGRITY_CHECK_2_VALUE( pxList ); } 8030c: bf00 nop 8030e: 370c adds r7, #12 80310: 46bd mov sp, r7 80312: bc80 pop {r7} 80314: 4770 bx lr 00080316 : /*-----------------------------------------------------------*/ void vListInitialiseItem( ListItem_t * const pxItem ) { 80316: b480 push {r7} 80318: b083 sub sp, #12 8031a: af00 add r7, sp, #0 8031c: 6078 str r0, [r7, #4] /* Make sure the list item is not recorded as being on a list. */ pxItem->pxContainer = NULL; 8031e: 687b ldr r3, [r7, #4] 80320: 2200 movs r2, #0 80322: 611a str r2, [r3, #16] /* Write known values into the list item if configUSE_LIST_DATA_INTEGRITY_CHECK_BYTES is set to 1. */ listSET_FIRST_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ); listSET_SECOND_LIST_ITEM_INTEGRITY_CHECK_VALUE( pxItem ); } 80324: bf00 nop 80326: 370c adds r7, #12 80328: 46bd mov sp, r7 8032a: bc80 pop {r7} 8032c: 4770 bx lr 0008032e : /*-----------------------------------------------------------*/ void vListInsertEnd( List_t * const pxList, ListItem_t * const pxNewListItem ) { 8032e: b480 push {r7} 80330: b085 sub sp, #20 80332: af00 add r7, sp, #0 80334: 6078 str r0, [r7, #4] 80336: 6039 str r1, [r7, #0] ListItem_t * const pxIndex = pxList->pxIndex; 80338: 687b ldr r3, [r7, #4] 8033a: 685b ldr r3, [r3, #4] 8033c: 60fb str r3, [r7, #12] listTEST_LIST_ITEM_INTEGRITY( pxNewListItem ); /* Insert a new list item into pxList, but rather than sort the list, makes the new list item the last item to be removed by a call to listGET_OWNER_OF_NEXT_ENTRY(). */ pxNewListItem->pxNext = pxIndex; 8033e: 683b ldr r3, [r7, #0] 80340: 68fa ldr r2, [r7, #12] 80342: 605a str r2, [r3, #4] pxNewListItem->pxPrevious = pxIndex->pxPrevious; 80344: 68fb ldr r3, [r7, #12] 80346: 689a ldr r2, [r3, #8] 80348: 683b ldr r3, [r7, #0] 8034a: 609a str r2, [r3, #8] /* Only used during decision coverage testing. */ mtCOVERAGE_TEST_DELAY(); pxIndex->pxPrevious->pxNext = pxNewListItem; 8034c: 68fb ldr r3, [r7, #12] 8034e: 689b ldr r3, [r3, #8] 80350: 683a ldr r2, [r7, #0] 80352: 605a str r2, [r3, #4] pxIndex->pxPrevious = pxNewListItem; 80354: 68fb ldr r3, [r7, #12] 80356: 683a ldr r2, [r7, #0] 80358: 609a str r2, [r3, #8] /* Remember which list the item is in. */ pxNewListItem->pxContainer = pxList; 8035a: 683b ldr r3, [r7, #0] 8035c: 687a ldr r2, [r7, #4] 8035e: 611a str r2, [r3, #16] ( pxList->uxNumberOfItems )++; 80360: 687b ldr r3, [r7, #4] 80362: 681b ldr r3, [r3, #0] 80364: 1c5a adds r2, r3, #1 80366: 687b ldr r3, [r7, #4] 80368: 601a str r2, [r3, #0] } 8036a: bf00 nop 8036c: 3714 adds r7, #20 8036e: 46bd mov sp, r7 80370: bc80 pop {r7} 80372: 4770 bx lr 00080374 : /*-----------------------------------------------------------*/ void vListInsert( List_t * const pxList, ListItem_t * const pxNewListItem ) { 80374: b480 push {r7} 80376: b085 sub sp, #20 80378: af00 add r7, sp, #0 8037a: 6078 str r0, [r7, #4] 8037c: 6039 str r1, [r7, #0] ListItem_t *pxIterator; const TickType_t xValueOfInsertion = pxNewListItem->xItemValue; 8037e: 683b ldr r3, [r7, #0] 80380: 681b ldr r3, [r3, #0] 80382: 60bb str r3, [r7, #8] new list item should be placed after it. This ensures that TCBs which are stored in ready lists (all of which have the same xItemValue value) get a share of the CPU. However, if the xItemValue is the same as the back marker the iteration loop below will not end. Therefore the value is checked first, and the algorithm slightly modified if necessary. */ if( xValueOfInsertion == portMAX_DELAY ) 80384: 68bb ldr r3, [r7, #8] 80386: f1b3 3fff cmp.w r3, #4294967295 8038a: d103 bne.n 80394 { pxIterator = pxList->xListEnd.pxPrevious; 8038c: 687b ldr r3, [r7, #4] 8038e: 691b ldr r3, [r3, #16] 80390: 60fb str r3, [r7, #12] 80392: e00c b.n 803ae 4) Using a queue or semaphore before it has been initialised or before the scheduler has been started (are interrupts firing before vTaskStartScheduler() has been called?). **********************************************************************/ for( pxIterator = ( ListItem_t * ) &( pxList->xListEnd ); pxIterator->pxNext->xItemValue <= xValueOfInsertion; pxIterator = pxIterator->pxNext ) /*lint !e826 !e740 !e9087 The mini list structure is used as the list end to save RAM. This is checked and valid. *//*lint !e440 The iterator moves to a different value, not xValueOfInsertion. */ 80394: 687b ldr r3, [r7, #4] 80396: 3308 adds r3, #8 80398: 60fb str r3, [r7, #12] 8039a: e002 b.n 803a2 8039c: 68fb ldr r3, [r7, #12] 8039e: 685b ldr r3, [r3, #4] 803a0: 60fb str r3, [r7, #12] 803a2: 68fb ldr r3, [r7, #12] 803a4: 685b ldr r3, [r3, #4] 803a6: 681a ldr r2, [r3, #0] 803a8: 68bb ldr r3, [r7, #8] 803aa: 429a cmp r2, r3 803ac: d9f6 bls.n 8039c /* There is nothing to do here, just iterating to the wanted insertion position. */ } } pxNewListItem->pxNext = pxIterator->pxNext; 803ae: 68fb ldr r3, [r7, #12] 803b0: 685a ldr r2, [r3, #4] 803b2: 683b ldr r3, [r7, #0] 803b4: 605a str r2, [r3, #4] pxNewListItem->pxNext->pxPrevious = pxNewListItem; 803b6: 683b ldr r3, [r7, #0] 803b8: 685b ldr r3, [r3, #4] 803ba: 683a ldr r2, [r7, #0] 803bc: 609a str r2, [r3, #8] pxNewListItem->pxPrevious = pxIterator; 803be: 683b ldr r3, [r7, #0] 803c0: 68fa ldr r2, [r7, #12] 803c2: 609a str r2, [r3, #8] pxIterator->pxNext = pxNewListItem; 803c4: 68fb ldr r3, [r7, #12] 803c6: 683a ldr r2, [r7, #0] 803c8: 605a str r2, [r3, #4] /* Remember which list the item is in. This allows fast removal of the item later. */ pxNewListItem->pxContainer = pxList; 803ca: 683b ldr r3, [r7, #0] 803cc: 687a ldr r2, [r7, #4] 803ce: 611a str r2, [r3, #16] ( pxList->uxNumberOfItems )++; 803d0: 687b ldr r3, [r7, #4] 803d2: 681b ldr r3, [r3, #0] 803d4: 1c5a adds r2, r3, #1 803d6: 687b ldr r3, [r7, #4] 803d8: 601a str r2, [r3, #0] } 803da: bf00 nop 803dc: 3714 adds r7, #20 803de: 46bd mov sp, r7 803e0: bc80 pop {r7} 803e2: 4770 bx lr 000803e4 : /*-----------------------------------------------------------*/ UBaseType_t uxListRemove( ListItem_t * const pxItemToRemove ) { 803e4: b480 push {r7} 803e6: b085 sub sp, #20 803e8: af00 add r7, sp, #0 803ea: 6078 str r0, [r7, #4] /* The list item knows which list it is in. Obtain the list from the list item. */ List_t * const pxList = pxItemToRemove->pxContainer; 803ec: 687b ldr r3, [r7, #4] 803ee: 691b ldr r3, [r3, #16] 803f0: 60fb str r3, [r7, #12] pxItemToRemove->pxNext->pxPrevious = pxItemToRemove->pxPrevious; 803f2: 687b ldr r3, [r7, #4] 803f4: 685b ldr r3, [r3, #4] 803f6: 687a ldr r2, [r7, #4] 803f8: 6892 ldr r2, [r2, #8] 803fa: 609a str r2, [r3, #8] pxItemToRemove->pxPrevious->pxNext = pxItemToRemove->pxNext; 803fc: 687b ldr r3, [r7, #4] 803fe: 689b ldr r3, [r3, #8] 80400: 687a ldr r2, [r7, #4] 80402: 6852 ldr r2, [r2, #4] 80404: 605a str r2, [r3, #4] /* Only used during decision coverage testing. */ mtCOVERAGE_TEST_DELAY(); /* Make sure the index is left pointing to a valid item. */ if( pxList->pxIndex == pxItemToRemove ) 80406: 68fb ldr r3, [r7, #12] 80408: 685a ldr r2, [r3, #4] 8040a: 687b ldr r3, [r7, #4] 8040c: 429a cmp r2, r3 8040e: d103 bne.n 80418 { pxList->pxIndex = pxItemToRemove->pxPrevious; 80410: 687b ldr r3, [r7, #4] 80412: 689a ldr r2, [r3, #8] 80414: 68fb ldr r3, [r7, #12] 80416: 605a str r2, [r3, #4] else { mtCOVERAGE_TEST_MARKER(); } pxItemToRemove->pxContainer = NULL; 80418: 687b ldr r3, [r7, #4] 8041a: 2200 movs r2, #0 8041c: 611a str r2, [r3, #16] ( pxList->uxNumberOfItems )--; 8041e: 68fb ldr r3, [r7, #12] 80420: 681b ldr r3, [r3, #0] 80422: 1e5a subs r2, r3, #1 80424: 68fb ldr r3, [r7, #12] 80426: 601a str r2, [r3, #0] return pxList->uxNumberOfItems; 80428: 68fb ldr r3, [r7, #12] 8042a: 681b ldr r3, [r3, #0] } 8042c: 4618 mov r0, r3 8042e: 3714 adds r7, #20 80430: 46bd mov sp, r7 80432: bc80 pop {r7} 80434: 4770 bx lr ... 00080438 : { 100, eSender1 }, /* Used by Sender1. */ { 200, eSender2 } /* Used by Sender2. */ }; void vApplicationIdleHook( void ) { 80438: b480 push {r7} 8043a: af00 add r7, sp, #0 ci++; 8043c: 4b04 ldr r3, [pc, #16] ; (80450 ) 8043e: 681b ldr r3, [r3, #0] 80440: 3301 adds r3, #1 80442: 4a03 ldr r2, [pc, #12] ; (80450 ) 80444: 6013 str r3, [r2, #0] } 80446: bf00 nop 80448: 46bd mov sp, r7 8044a: bc80 pop {r7} 8044c: 4770 bx lr 8044e: bf00 nop 80450: 2000a458 .word 0x2000a458 00080454 : void vApplicationTickHook( void ) { 80454: b580 push {r7, lr} 80456: b082 sub sp, #8 80458: af00 add r7, sp, #0 long fh= xPortGetFreeHeapSize(); 8045a: 4b06 ldr r3, [pc, #24] ; (80474 ) 8045c: 4798 blx r3 8045e: 4603 mov r3, r0 80460: 607b str r3, [r7, #4] //uxTaskGetStackHighWaterMark(&xHandle1); //uxTaskGetStackHighWaterMark(&xHandle2); ct++; 80462: 4b05 ldr r3, [pc, #20] ; (80478 ) 80464: 681b ldr r3, [r3, #0] 80466: 3301 adds r3, #1 80468: 4a03 ldr r2, [pc, #12] ; (80478 ) 8046a: 6013 str r3, [r2, #0] } 8046c: bf00 nop 8046e: 3708 adds r7, #8 80470: 46bd mov sp, r7 80472: bd80 pop {r7, pc} 80474: 000802bd .word 0x000802bd 80478: 2000a460 .word 0x2000a460 0008047c : void vApplicationStackOverflowHook( TaskHandle_t xTask, char *pcTaskName ) { 8047c: b480 push {r7} 8047e: b083 sub sp, #12 80480: af00 add r7, sp, #0 80482: 6078 str r0, [r7, #4] 80484: 6039 str r1, [r7, #0] for(;;); 80486: e7fe b.n 80486 00080488 : } void vApplicationMallocFailedHook( void ) { 80488: b480 push {r7} 8048a: af00 add r7, sp, #0 for(;;); 8048c: e7fe b.n 8048c ... 00080490 : //xTimerStop( pxTimer, 0 ); //} //} static void vSenderTask( void *pvParameters ) { 80490: b590 push {r4, r7, lr} 80492: b085 sub sp, #20 80494: af00 add r7, sp, #0 80496: 6078 str r0, [r7, #4] BaseType_t xStatus; const TickType_t xTicksToWait = pdMS_TO_TICKS( 100 ); 80498: 2364 movs r3, #100 ; 0x64 8049a: 60fb str r3, [r7, #12] for( ;; ) { xStatus = xQueueSendToBack( xQueue, pvParameters, xTicksToWait ); 8049c: 4b0c ldr r3, [pc, #48] ; (804d0 ) 8049e: 6818 ldr r0, [r3, #0] 804a0: 2300 movs r3, #0 804a2: 68fa ldr r2, [r7, #12] 804a4: 6879 ldr r1, [r7, #4] 804a6: 4c0b ldr r4, [pc, #44] ; (804d4 ) 804a8: 47a0 blx r4 804aa: 60b8 str r0, [r7, #8] if( xStatus != pdPASS ) 804ac: 68bb ldr r3, [r7, #8] 804ae: 2b01 cmp r3, #1 804b0: d004 beq.n 804bc { placebo++; 804b2: 4b09 ldr r3, [pc, #36] ; (804d8 ) 804b4: 681b ldr r3, [r3, #0] 804b6: 3301 adds r3, #1 804b8: 4a07 ldr r2, [pc, #28] ; (804d8 ) 804ba: 6013 str r3, [r2, #0] //vPrintString( "Could not send to the queue.\r\n" ); } taskYIELD(); 804bc: 4b07 ldr r3, [pc, #28] ; (804dc ) 804be: f04f 5280 mov.w r2, #268435456 ; 0x10000000 804c2: 601a str r2, [r3, #0] 804c4: f3bf 8f4f dsb sy 804c8: f3bf 8f6f isb sy xStatus = xQueueSendToBack( xQueue, pvParameters, xTicksToWait ); 804cc: e7e6 b.n 8049c 804ce: bf00 nop 804d0: 2000a5c4 .word 0x2000a5c4 804d4: 00080b71 .word 0x00080b71 804d8: 2000a464 .word 0x2000a464 804dc: e000ed04 .word 0xe000ed04 000804e0 : } } static void vReceiverTask( void *pvParameters ) { 804e0: b580 push {r7, lr} 804e2: b084 sub sp, #16 804e4: af00 add r7, sp, #0 804e6: 6078 str r0, [r7, #4] Data_t xReceivedStructure; BaseType_t xStatus; for( ;; ) { if( uxQueueMessagesWaiting( xQueue ) != 3 ) 804e8: 4b16 ldr r3, [pc, #88] ; (80544 ) 804ea: 681b ldr r3, [r3, #0] 804ec: 4618 mov r0, r3 804ee: 4b16 ldr r3, [pc, #88] ; (80548 ) 804f0: 4798 blx r3 804f2: 4603 mov r3, r0 804f4: 2b03 cmp r3, #3 804f6: d004 beq.n 80502 { placebo++; 804f8: 4b14 ldr r3, [pc, #80] ; (8054c ) 804fa: 681b ldr r3, [r3, #0] 804fc: 3301 adds r3, #1 804fe: 4a13 ldr r2, [pc, #76] ; (8054c ) 80500: 6013 str r3, [r2, #0] //vPrintString( "Queue should have been full!\r\n" ); } xStatus = xQueueReceive( xQueue, &xReceivedStructure, 0 ); 80502: 4b10 ldr r3, [pc, #64] ; (80544 ) 80504: 681b ldr r3, [r3, #0] 80506: f107 0108 add.w r1, r7, #8 8050a: 2200 movs r2, #0 8050c: 4618 mov r0, r3 8050e: 4b10 ldr r3, [pc, #64] ; (80550 ) 80510: 4798 blx r3 80512: 60f8 str r0, [r7, #12] if( xStatus == pdPASS ) 80514: 68fb ldr r3, [r7, #12] 80516: 2b01 cmp r3, #1 80518: d10e bne.n 80538 { if( xReceivedStructure.eDataSource == eSender1 ) 8051a: 7a7b ldrb r3, [r7, #9] 8051c: 2b00 cmp r3, #0 8051e: d105 bne.n 8052c { placebo++; 80520: 4b0a ldr r3, [pc, #40] ; (8054c ) 80522: 681b ldr r3, [r3, #0] 80524: 3301 adds r3, #1 80526: 4a09 ldr r2, [pc, #36] ; (8054c ) 80528: 6013 str r3, [r2, #0] 8052a: e7dd b.n 804e8 //vPrintStringAndNumber( "From Sender 1 = ", xReceivedStructure.ucValue ); } else { placebo++; 8052c: 4b07 ldr r3, [pc, #28] ; (8054c ) 8052e: 681b ldr r3, [r3, #0] 80530: 3301 adds r3, #1 80532: 4a06 ldr r2, [pc, #24] ; (8054c ) 80534: 6013 str r3, [r2, #0] 80536: e7d7 b.n 804e8 //vPrintStringAndNumber( "From Sender 2 = ", xReceivedStructure.ucValue ); } } else { placebo++; 80538: 4b04 ldr r3, [pc, #16] ; (8054c ) 8053a: 681b ldr r3, [r3, #0] 8053c: 3301 adds r3, #1 8053e: 4a03 ldr r2, [pc, #12] ; (8054c ) 80540: 6013 str r3, [r2, #0] if( uxQueueMessagesWaiting( xQueue ) != 3 ) 80542: e7d1 b.n 804e8 80544: 2000a5c4 .word 0x2000a5c4 80548: 000810b9 .word 0x000810b9 8054c: 2000a464 .word 0x2000a464 80550: 00080ed1 .word 0x00080ed1 00080554
: } } } int main(void) { 80554: b590 push {r4, r7, lr} 80556: b085 sub sp, #20 80558: af02 add r7, sp, #8 //// The timer could not be set into the Active state. //} //} //} xQueue = xQueueCreate( 3, sizeof( Data_t ) ); 8055a: 2200 movs r2, #0 8055c: 2102 movs r1, #2 8055e: 2003 movs r0, #3 80560: 4b1a ldr r3, [pc, #104] ; (805cc ) 80562: 4798 blx r3 80564: 4602 mov r2, r0 80566: 4b1a ldr r3, [pc, #104] ; (805d0 ) 80568: 601a str r2, [r3, #0] if( xQueue != NULL ) 8056a: 4b19 ldr r3, [pc, #100] ; (805d0 ) 8056c: 681b ldr r3, [r3, #0] 8056e: 2b00 cmp r3, #0 80570: d020 beq.n 805b4 { xTaskCreate( vSenderTask, "Sender1", 1000, &( xStructsToSend[ 0 ] ), 2, NULL ); 80572: 2300 movs r3, #0 80574: 9301 str r3, [sp, #4] 80576: 2302 movs r3, #2 80578: 9300 str r3, [sp, #0] 8057a: 4b16 ldr r3, [pc, #88] ; (805d4 ) 8057c: f44f 727a mov.w r2, #1000 ; 0x3e8 80580: 4915 ldr r1, [pc, #84] ; (805d8 ) 80582: 4816 ldr r0, [pc, #88] ; (805dc ) 80584: 4c16 ldr r4, [pc, #88] ; (805e0 ) 80586: 47a0 blx r4 xTaskCreate( vSenderTask, "Sender2", 1000, &( xStructsToSend[ 1 ] ), 2, NULL ); 80588: 2300 movs r3, #0 8058a: 9301 str r3, [sp, #4] 8058c: 2302 movs r3, #2 8058e: 9300 str r3, [sp, #0] 80590: 4b14 ldr r3, [pc, #80] ; (805e4 ) 80592: f44f 727a mov.w r2, #1000 ; 0x3e8 80596: 4914 ldr r1, [pc, #80] ; (805e8 ) 80598: 4810 ldr r0, [pc, #64] ; (805dc ) 8059a: 4c11 ldr r4, [pc, #68] ; (805e0 ) 8059c: 47a0 blx r4 xTaskCreate( vReceiverTask, "Receiver", 1000, NULL, 1, NULL ); 8059e: 2300 movs r3, #0 805a0: 9301 str r3, [sp, #4] 805a2: 2301 movs r3, #1 805a4: 9300 str r3, [sp, #0] 805a6: 2300 movs r3, #0 805a8: f44f 727a mov.w r2, #1000 ; 0x3e8 805ac: 490f ldr r1, [pc, #60] ; (805ec ) 805ae: 4810 ldr r0, [pc, #64] ; (805f0 ) 805b0: 4c0b ldr r4, [pc, #44] ; (805e0 ) 805b2: 47a0 blx r4 { vTaskDelete( xHandle1 ); vTaskDelete( xHandle2 ); for(;;); }*/ size_t h = xPortGetFreeHeapSize(); 805b4: 4b0f ldr r3, [pc, #60] ; (805f4 ) 805b6: 4798 blx r3 805b8: 6078 str r0, [r7, #4] vTaskStartScheduler(); 805ba: 4b0f ldr r3, [pc, #60] ; (805f8 ) 805bc: 4798 blx r3 while (1) { cp++; 805be: 4b0f ldr r3, [pc, #60] ; (805fc ) 805c0: 681b ldr r3, [r3, #0] 805c2: 3301 adds r3, #1 805c4: 4a0d ldr r2, [pc, #52] ; (805fc ) 805c6: 6013 str r3, [r2, #0] 805c8: e7f9 b.n 805be 805ca: bf00 nop 805cc: 00080ab9 .word 0x00080ab9 805d0: 2000a5c4 .word 0x2000a5c4 805d4: 00082ad0 .word 0x00082ad0 805d8: 00082ad4 .word 0x00082ad4 805dc: 00080491 .word 0x00080491 805e0: 000813c1 .word 0x000813c1 805e4: 00082ad2 .word 0x00082ad2 805e8: 00082adc .word 0x00082adc 805ec: 00082ae4 .word 0x00082ae4 805f0: 000804e1 .word 0x000804e1 805f4: 000802bd .word 0x000802bd 805f8: 00081661 .word 0x00081661 805fc: 2000a45c .word 0x2000a45c 00080600 : /* * See header file for description. */ StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters ) { 80600: b480 push {r7} 80602: b085 sub sp, #20 80604: af00 add r7, sp, #0 80606: 60f8 str r0, [r7, #12] 80608: 60b9 str r1, [r7, #8] 8060a: 607a str r2, [r7, #4] /* Simulate the stack frame as it would be created by a context switch interrupt. */ pxTopOfStack--; /* Offset added to account for the way the MCU uses the stack on entry/exit of interrupts. */ 8060c: 68fb ldr r3, [r7, #12] 8060e: 3b04 subs r3, #4 80610: 60fb str r3, [r7, #12] *pxTopOfStack = portINITIAL_XPSR; /* xPSR */ 80612: 68fb ldr r3, [r7, #12] 80614: f04f 7280 mov.w r2, #16777216 ; 0x1000000 80618: 601a str r2, [r3, #0] pxTopOfStack--; 8061a: 68fb ldr r3, [r7, #12] 8061c: 3b04 subs r3, #4 8061e: 60fb str r3, [r7, #12] *pxTopOfStack = ( ( StackType_t ) pxCode ) & portSTART_ADDRESS_MASK; /* PC */ 80620: 68bb ldr r3, [r7, #8] 80622: f023 0201 bic.w r2, r3, #1 80626: 68fb ldr r3, [r7, #12] 80628: 601a str r2, [r3, #0] pxTopOfStack--; 8062a: 68fb ldr r3, [r7, #12] 8062c: 3b04 subs r3, #4 8062e: 60fb str r3, [r7, #12] *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */ 80630: 4a08 ldr r2, [pc, #32] ; (80654 ) 80632: 68fb ldr r3, [r7, #12] 80634: 601a str r2, [r3, #0] pxTopOfStack -= 5; /* R12, R3, R2 and R1. */ 80636: 68fb ldr r3, [r7, #12] 80638: 3b14 subs r3, #20 8063a: 60fb str r3, [r7, #12] *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */ 8063c: 687a ldr r2, [r7, #4] 8063e: 68fb ldr r3, [r7, #12] 80640: 601a str r2, [r3, #0] pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */ 80642: 68fb ldr r3, [r7, #12] 80644: 3b20 subs r3, #32 80646: 60fb str r3, [r7, #12] return pxTopOfStack; 80648: 68fb ldr r3, [r7, #12] } 8064a: 4618 mov r0, r3 8064c: 3714 adds r7, #20 8064e: 46bd mov sp, r7 80650: bc80 pop {r7} 80652: 4770 bx lr 80654: 00080659 .word 0x00080659 00080658 : /*-----------------------------------------------------------*/ static void prvTaskExitError( void ) { 80658: b480 push {r7} 8065a: b085 sub sp, #20 8065c: af00 add r7, sp, #0 volatile uint32_t ulDummy = 0UL; 8065e: 2300 movs r3, #0 80660: 607b str r3, [r7, #4] its caller as there is nothing to return to. If a task wants to exit it should instead call vTaskDelete( NULL ). Artificially force an assert() to be triggered if configASSERT() is defined, then stop here so application writers can catch the error. */ configASSERT( uxCriticalNesting == ~0UL ); 80662: 4b10 ldr r3, [pc, #64] ; (806a4 ) 80664: 681b ldr r3, [r3, #0] 80666: f1b3 3fff cmp.w r3, #4294967295 8066a: d009 beq.n 80680 8066c: f04f 03a0 mov.w r3, #160 ; 0xa0 80670: f383 8811 msr BASEPRI, r3 80674: f3bf 8f6f isb sy 80678: f3bf 8f4f dsb sy 8067c: 60fb str r3, [r7, #12] 8067e: e7fe b.n 8067e 80680: f04f 03a0 mov.w r3, #160 ; 0xa0 80684: f383 8811 msr BASEPRI, r3 80688: f3bf 8f6f isb sy 8068c: f3bf 8f4f dsb sy 80690: 60bb str r3, [r7, #8] portDISABLE_INTERRUPTS(); while( ulDummy == 0 ) 80692: bf00 nop 80694: 687b ldr r3, [r7, #4] 80696: 2b00 cmp r3, #0 80698: d0fc beq.n 80694 about code appearing after this function is called - making ulDummy volatile makes the compiler think the function could return and therefore not output an 'unreachable code' warning for code that appears after it. */ } } 8069a: bf00 nop 8069c: 3714 adds r7, #20 8069e: 46bd mov sp, r7 806a0: bc80 pop {r7} 806a2: 4770 bx lr 806a4: 20000004 .word 0x20000004 ... 000806b0 : /*-----------------------------------------------------------*/ void vPortSVCHandler( void ) { __asm volatile ( 806b0: 4b07 ldr r3, [pc, #28] ; (806d0 ) 806b2: 6819 ldr r1, [r3, #0] 806b4: 6808 ldr r0, [r1, #0] 806b6: e8b0 0ff0 ldmia.w r0!, {r4, r5, r6, r7, r8, r9, sl, fp} 806ba: f380 8809 msr PSP, r0 806be: f3bf 8f6f isb sy 806c2: f04f 0000 mov.w r0, #0 806c6: f380 8811 msr BASEPRI, r0 806ca: f04e 0e0d orr.w lr, lr, #13 806ce: 4770 bx lr 000806d0 : 806d0: 2000a484 .word 0x2000a484 " bx r14 \n" " \n" " .align 4 \n" "pxCurrentTCBConst2: .word pxCurrentTCB \n" ); } 806d4: bf00 nop 806d6: bf00 nop 000806d8 : /*-----------------------------------------------------------*/ static void prvPortStartFirstTask( void ) { __asm volatile( 806d8: 4806 ldr r0, [pc, #24] ; (806f4 ) 806da: 6800 ldr r0, [r0, #0] 806dc: 6800 ldr r0, [r0, #0] 806de: f380 8808 msr MSP, r0 806e2: b662 cpsie i 806e4: b661 cpsie f 806e6: f3bf 8f4f dsb sy 806ea: f3bf 8f6f isb sy 806ee: df00 svc 0 806f0: bf00 nop " dsb \n" " isb \n" " svc 0 \n" /* System call to start first task. */ " nop \n" ); } 806f2: bf00 nop 806f4: e000ed08 .word 0xe000ed08 000806f8 : /* * See header file for description. */ BaseType_t xPortStartScheduler( void ) { 806f8: b580 push {r7, lr} 806fa: b084 sub sp, #16 806fc: af00 add r7, sp, #0 configASSERT( configMAX_SYSCALL_INTERRUPT_PRIORITY ); #if( configASSERT_DEFINED == 1 ) { volatile uint32_t ulOriginalPriority; volatile uint8_t * const pucFirstUserPriorityRegister = ( volatile uint8_t * const ) ( portNVIC_IP_REGISTERS_OFFSET_16 + portFIRST_USER_INTERRUPT_NUMBER ); 806fe: 4b31 ldr r3, [pc, #196] ; (807c4 ) 80700: 60fb str r3, [r7, #12] functions can be called. ISR safe functions are those that end in "FromISR". FreeRTOS maintains separate thread and ISR API functions to ensure interrupt entry is as fast and simple as possible. Save the interrupt priority value that is about to be clobbered. */ ulOriginalPriority = *pucFirstUserPriorityRegister; 80702: 68fb ldr r3, [r7, #12] 80704: 781b ldrb r3, [r3, #0] 80706: b2db uxtb r3, r3 80708: 607b str r3, [r7, #4] /* Determine the number of priority bits available. First write to all possible bits. */ *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE; 8070a: 68fb ldr r3, [r7, #12] 8070c: 22ff movs r2, #255 ; 0xff 8070e: 701a strb r2, [r3, #0] /* Read the value back to see how many bits stuck. */ ucMaxPriorityValue = *pucFirstUserPriorityRegister; 80710: 68fb ldr r3, [r7, #12] 80712: 781b ldrb r3, [r3, #0] 80714: b2db uxtb r3, r3 80716: 70fb strb r3, [r7, #3] /* Use the same mask on the maximum system call priority. */ ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue; 80718: 78fb ldrb r3, [r7, #3] 8071a: b2db uxtb r3, r3 8071c: f023 035f bic.w r3, r3, #95 ; 0x5f 80720: b2da uxtb r2, r3 80722: 4b29 ldr r3, [pc, #164] ; (807c8 ) 80724: 701a strb r2, [r3, #0] /* Calculate the maximum acceptable priority group value for the number of bits read back. */ ulMaxPRIGROUPValue = portMAX_PRIGROUP_BITS; 80726: 4b29 ldr r3, [pc, #164] ; (807cc ) 80728: 2207 movs r2, #7 8072a: 601a str r2, [r3, #0] while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE ) 8072c: e009 b.n 80742 { ulMaxPRIGROUPValue--; 8072e: 4b27 ldr r3, [pc, #156] ; (807cc ) 80730: 681b ldr r3, [r3, #0] 80732: 3b01 subs r3, #1 80734: 4a25 ldr r2, [pc, #148] ; (807cc ) 80736: 6013 str r3, [r2, #0] ucMaxPriorityValue <<= ( uint8_t ) 0x01; 80738: 78fb ldrb r3, [r7, #3] 8073a: b2db uxtb r3, r3 8073c: 005b lsls r3, r3, #1 8073e: b2db uxtb r3, r3 80740: 70fb strb r3, [r7, #3] while( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE ) 80742: 78fb ldrb r3, [r7, #3] 80744: b2db uxtb r3, r3 80746: f003 0380 and.w r3, r3, #128 ; 0x80 8074a: 2b80 cmp r3, #128 ; 0x80 8074c: d0ef beq.n 8072e #ifdef configPRIO_BITS { /* Check the FreeRTOS configuration that defines the number of priority bits matches the number of priority bits actually queried from the hardware. */ configASSERT( ( portMAX_PRIGROUP_BITS - ulMaxPRIGROUPValue ) == configPRIO_BITS ); 8074e: 4b1f ldr r3, [pc, #124] ; (807cc ) 80750: 681b ldr r3, [r3, #0] 80752: f1c3 0307 rsb r3, r3, #7 80756: 2b04 cmp r3, #4 80758: d009 beq.n 8076e 8075a: f04f 03a0 mov.w r3, #160 ; 0xa0 8075e: f383 8811 msr BASEPRI, r3 80762: f3bf 8f6f isb sy 80766: f3bf 8f4f dsb sy 8076a: 60bb str r3, [r7, #8] 8076c: e7fe b.n 8076c } #endif /* Shift the priority group value back to its position within the AIRCR register. */ ulMaxPRIGROUPValue <<= portPRIGROUP_SHIFT; 8076e: 4b17 ldr r3, [pc, #92] ; (807cc ) 80770: 681b ldr r3, [r3, #0] 80772: 021b lsls r3, r3, #8 80774: 4a15 ldr r2, [pc, #84] ; (807cc ) 80776: 6013 str r3, [r2, #0] ulMaxPRIGROUPValue &= portPRIORITY_GROUP_MASK; 80778: 4b14 ldr r3, [pc, #80] ; (807cc ) 8077a: 681b ldr r3, [r3, #0] 8077c: f403 63e0 and.w r3, r3, #1792 ; 0x700 80780: 4a12 ldr r2, [pc, #72] ; (807cc ) 80782: 6013 str r3, [r2, #0] /* Restore the clobbered interrupt priority register to its original value. */ *pucFirstUserPriorityRegister = ulOriginalPriority; 80784: 687b ldr r3, [r7, #4] 80786: b2da uxtb r2, r3 80788: 68fb ldr r3, [r7, #12] 8078a: 701a strb r2, [r3, #0] } #endif /* conifgASSERT_DEFINED */ /* Make PendSV and SysTick the lowest priority interrupts. */ portNVIC_SYSPRI2_REG |= portNVIC_PENDSV_PRI; 8078c: 4a10 ldr r2, [pc, #64] ; (807d0 ) 8078e: 4b10 ldr r3, [pc, #64] ; (807d0 ) 80790: 681b ldr r3, [r3, #0] 80792: f443 0370 orr.w r3, r3, #15728640 ; 0xf00000 80796: 6013 str r3, [r2, #0] portNVIC_SYSPRI2_REG |= portNVIC_SYSTICK_PRI; 80798: 4a0d ldr r2, [pc, #52] ; (807d0 ) 8079a: 4b0d ldr r3, [pc, #52] ; (807d0 ) 8079c: 681b ldr r3, [r3, #0] 8079e: f043 4370 orr.w r3, r3, #4026531840 ; 0xf0000000 807a2: 6013 str r3, [r2, #0] /* Start the timer that generates the tick ISR. Interrupts are disabled here already. */ vPortSetupTimerInterrupt(); 807a4: 4b0b ldr r3, [pc, #44] ; (807d4 ) 807a6: 4798 blx r3 /* Initialise the critical nesting count ready for the first task. */ uxCriticalNesting = 0; 807a8: 4b0b ldr r3, [pc, #44] ; (807d8 ) 807aa: 2200 movs r2, #0 807ac: 601a str r2, [r3, #0] /* Start the first task. */ prvPortStartFirstTask(); 807ae: 4b0b ldr r3, [pc, #44] ; (807dc ) 807b0: 4798 blx r3 exit error function to prevent compiler warnings about a static function not being called in the case that the application writer overrides this functionality by defining configTASK_RETURN_ADDRESS. Call vTaskSwitchContext() so link time optimisation does not remove the symbol. */ vTaskSwitchContext(); 807b2: 4b0b ldr r3, [pc, #44] ; (807e0 ) 807b4: 4798 blx r3 prvTaskExitError(); 807b6: 4b0b ldr r3, [pc, #44] ; (807e4 ) 807b8: 4798 blx r3 /* Should not get here! */ return 0; 807ba: 2300 movs r3, #0 } 807bc: 4618 mov r0, r3 807be: 3710 adds r7, #16 807c0: 46bd mov sp, r7 807c2: bd80 pop {r7, pc} 807c4: e000e400 .word 0xe000e400 807c8: 2000a47c .word 0x2000a47c 807cc: 2000a480 .word 0x2000a480 807d0: e000ed20 .word 0xe000ed20 807d4: 0008091d .word 0x0008091d 807d8: 20000004 .word 0x20000004 807dc: 000806d9 .word 0x000806d9 807e0: 00081a1d .word 0x00081a1d 807e4: 00080659 .word 0x00080659 000807e8 : configASSERT( uxCriticalNesting == 1000UL ); } /*-----------------------------------------------------------*/ void vPortEnterCritical( void ) { 807e8: b480 push {r7} 807ea: b083 sub sp, #12 807ec: af00 add r7, sp, #0 807ee: f04f 03a0 mov.w r3, #160 ; 0xa0 807f2: f383 8811 msr BASEPRI, r3 807f6: f3bf 8f6f isb sy 807fa: f3bf 8f4f dsb sy 807fe: 607b str r3, [r7, #4] portDISABLE_INTERRUPTS(); uxCriticalNesting++; 80800: 4b0e ldr r3, [pc, #56] ; (8083c ) 80802: 681b ldr r3, [r3, #0] 80804: 3301 adds r3, #1 80806: 4a0d ldr r2, [pc, #52] ; (8083c ) 80808: 6013 str r3, [r2, #0] /* This is not the interrupt safe version of the enter critical function so assert() if it is being called from an interrupt context. Only API functions that end in "FromISR" can be used in an interrupt. Only assert if the critical nesting count is 1 to protect against recursive calls if the assert function also uses a critical section. */ if( uxCriticalNesting == 1 ) 8080a: 4b0c ldr r3, [pc, #48] ; (8083c ) 8080c: 681b ldr r3, [r3, #0] 8080e: 2b01 cmp r3, #1 80810: d10e bne.n 80830 { configASSERT( ( portNVIC_INT_CTRL_REG & portVECTACTIVE_MASK ) == 0 ); 80812: 4b0b ldr r3, [pc, #44] ; (80840 ) 80814: 681b ldr r3, [r3, #0] 80816: b2db uxtb r3, r3 80818: 2b00 cmp r3, #0 8081a: d009 beq.n 80830 8081c: f04f 03a0 mov.w r3, #160 ; 0xa0 80820: f383 8811 msr BASEPRI, r3 80824: f3bf 8f6f isb sy 80828: f3bf 8f4f dsb sy 8082c: 603b str r3, [r7, #0] 8082e: e7fe b.n 8082e } } 80830: bf00 nop 80832: 370c adds r7, #12 80834: 46bd mov sp, r7 80836: bc80 pop {r7} 80838: 4770 bx lr 8083a: bf00 nop 8083c: 20000004 .word 0x20000004 80840: e000ed04 .word 0xe000ed04 00080844 : /*-----------------------------------------------------------*/ void vPortExitCritical( void ) { 80844: b480 push {r7} 80846: b083 sub sp, #12 80848: af00 add r7, sp, #0 configASSERT( uxCriticalNesting ); 8084a: 4b10 ldr r3, [pc, #64] ; (8088c ) 8084c: 681b ldr r3, [r3, #0] 8084e: 2b00 cmp r3, #0 80850: d109 bne.n 80866 80852: f04f 03a0 mov.w r3, #160 ; 0xa0 80856: f383 8811 msr BASEPRI, r3 8085a: f3bf 8f6f isb sy 8085e: f3bf 8f4f dsb sy 80862: 607b str r3, [r7, #4] 80864: e7fe b.n 80864 uxCriticalNesting--; 80866: 4b09 ldr r3, [pc, #36] ; (8088c ) 80868: 681b ldr r3, [r3, #0] 8086a: 3b01 subs r3, #1 8086c: 4a07 ldr r2, [pc, #28] ; (8088c ) 8086e: 6013 str r3, [r2, #0] if( uxCriticalNesting == 0 ) 80870: 4b06 ldr r3, [pc, #24] ; (8088c ) 80872: 681b ldr r3, [r3, #0] 80874: 2b00 cmp r3, #0 80876: d104 bne.n 80882 80878: 2300 movs r3, #0 8087a: 603b str r3, [r7, #0] } /*-----------------------------------------------------------*/ portFORCE_INLINE static void vPortSetBASEPRI( uint32_t ulNewMaskValue ) { __asm volatile 8087c: 683b ldr r3, [r7, #0] 8087e: f383 8811 msr BASEPRI, r3 { portENABLE_INTERRUPTS(); } } 80882: bf00 nop 80884: 370c adds r7, #12 80886: 46bd mov sp, r7 80888: bc80 pop {r7} 8088a: 4770 bx lr 8088c: 20000004 .word 0x20000004 00080890 : void xPortPendSVHandler( void ) { /* This is a naked function. */ __asm volatile 80890: f3ef 8009 mrs r0, PSP 80894: f3bf 8f6f isb sy 80898: 4b0d ldr r3, [pc, #52] ; (808d0 ) 8089a: 681a ldr r2, [r3, #0] 8089c: e920 0ff0 stmdb r0!, {r4, r5, r6, r7, r8, r9, sl, fp} 808a0: 6010 str r0, [r2, #0] 808a2: e92d 4008 stmdb sp!, {r3, lr} 808a6: f04f 00a0 mov.w r0, #160 ; 0xa0 808aa: f380 8811 msr BASEPRI, r0 808ae: f001 f8b5 bl 81a1c 808b2: f04f 0000 mov.w r0, #0 808b6: f380 8811 msr BASEPRI, r0 808ba: e8bd 4008 ldmia.w sp!, {r3, lr} 808be: 6819 ldr r1, [r3, #0] 808c0: 6808 ldr r0, [r1, #0] 808c2: e8b0 0ff0 ldmia.w r0!, {r4, r5, r6, r7, r8, r9, sl, fp} 808c6: f380 8809 msr PSP, r0 808ca: f3bf 8f6f isb sy 808ce: 4770 bx lr 000808d0 : 808d0: 2000a484 .word 0x2000a484 " \n" " .align 4 \n" "pxCurrentTCBConst: .word pxCurrentTCB \n" ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY) ); } 808d4: bf00 nop 808d6: bf00 nop 000808d8 : /*-----------------------------------------------------------*/ void xPortSysTickHandler( void ) { 808d8: b580 push {r7, lr} 808da: b082 sub sp, #8 808dc: af00 add r7, sp, #0 __asm volatile 808de: f04f 03a0 mov.w r3, #160 ; 0xa0 808e2: f383 8811 msr BASEPRI, r3 808e6: f3bf 8f6f isb sy 808ea: f3bf 8f4f dsb sy 808ee: 607b str r3, [r7, #4] save and then restore the interrupt mask value as its value is already known. */ portDISABLE_INTERRUPTS(); { /* Increment the RTOS tick. */ if( xTaskIncrementTick() != pdFALSE ) 808f0: 4b08 ldr r3, [pc, #32] ; (80914 ) 808f2: 4798 blx r3 808f4: 4603 mov r3, r0 808f6: 2b00 cmp r3, #0 808f8: d003 beq.n 80902 { /* A context switch is required. Context switching is performed in the PendSV interrupt. Pend the PendSV interrupt. */ portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT; 808fa: 4b07 ldr r3, [pc, #28] ; (80918 ) 808fc: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80900: 601a str r2, [r3, #0] 80902: 2300 movs r3, #0 80904: 603b str r3, [r7, #0] __asm volatile 80906: 683b ldr r3, [r7, #0] 80908: f383 8811 msr BASEPRI, r3 } } portENABLE_INTERRUPTS(); } 8090c: bf00 nop 8090e: 3708 adds r7, #8 80910: 46bd mov sp, r7 80912: bd80 pop {r7, pc} 80914: 0008188d .word 0x0008188d 80918: e000ed04 .word 0xe000ed04 0008091c : /* * Setup the systick timer to generate the tick interrupts at the required * frequency. */ __attribute__(( weak )) void vPortSetupTimerInterrupt( void ) { 8091c: b480 push {r7} 8091e: af00 add r7, sp, #0 ulStoppedTimerCompensation = portMISSED_COUNTS_FACTOR / ( configCPU_CLOCK_HZ / configSYSTICK_CLOCK_HZ ); } #endif /* configUSE_TICKLESS_IDLE */ /* Stop and clear the SysTick. */ portNVIC_SYSTICK_CTRL_REG = 0UL; 80920: 4b0a ldr r3, [pc, #40] ; (8094c ) 80922: 2200 movs r2, #0 80924: 601a str r2, [r3, #0] portNVIC_SYSTICK_CURRENT_VALUE_REG = 0UL; 80926: 4b0a ldr r3, [pc, #40] ; (80950 ) 80928: 2200 movs r2, #0 8092a: 601a str r2, [r3, #0] /* Configure SysTick to interrupt at the requested rate. */ portNVIC_SYSTICK_LOAD_REG = ( configSYSTICK_CLOCK_HZ / configTICK_RATE_HZ ) - 1UL; 8092c: 4a09 ldr r2, [pc, #36] ; (80954 ) 8092e: 4b0a ldr r3, [pc, #40] ; (80958 ) 80930: 681b ldr r3, [r3, #0] 80932: 490a ldr r1, [pc, #40] ; (8095c ) 80934: fba1 1303 umull r1, r3, r1, r3 80938: 099b lsrs r3, r3, #6 8093a: 3b01 subs r3, #1 8093c: 6013 str r3, [r2, #0] portNVIC_SYSTICK_CTRL_REG = ( portNVIC_SYSTICK_CLK_BIT | portNVIC_SYSTICK_INT_BIT | portNVIC_SYSTICK_ENABLE_BIT ); 8093e: 4b03 ldr r3, [pc, #12] ; (8094c ) 80940: 2207 movs r2, #7 80942: 601a str r2, [r3, #0] } 80944: bf00 nop 80946: 46bd mov sp, r7 80948: bc80 pop {r7} 8094a: 4770 bx lr 8094c: e000e010 .word 0xe000e010 80950: e000e018 .word 0xe000e018 80954: e000e014 .word 0xe000e014 80958: 20000000 .word 0x20000000 8095c: 10624dd3 .word 0x10624dd3 00080960 : /*-----------------------------------------------------------*/ #if( configASSERT_DEFINED == 1 ) void vPortValidateInterruptPriority( void ) { 80960: b480 push {r7} 80962: b085 sub sp, #20 80964: af00 add r7, sp, #0 uint32_t ulCurrentInterrupt; uint8_t ucCurrentPriority; /* Obtain the number of the currently executing interrupt. */ __asm volatile( "mrs %0, ipsr" : "=r"( ulCurrentInterrupt ) :: "memory" ); 80966: f3ef 8305 mrs r3, IPSR 8096a: 60fb str r3, [r7, #12] /* Is the interrupt number a user defined interrupt? */ if( ulCurrentInterrupt >= portFIRST_USER_INTERRUPT_NUMBER ) 8096c: 68fb ldr r3, [r7, #12] 8096e: 2b0f cmp r3, #15 80970: d913 bls.n 8099a { /* Look up the interrupt's priority. */ ucCurrentPriority = pcInterruptPriorityRegisters[ ulCurrentInterrupt ]; 80972: 4a15 ldr r2, [pc, #84] ; (809c8 ) 80974: 68fb ldr r3, [r7, #12] 80976: 4413 add r3, r2 80978: 781b ldrb r3, [r3, #0] 8097a: 72fb strb r3, [r7, #11] interrupt entry is as fast and simple as possible. The following links provide detailed information: http://www.freertos.org/RTOS-Cortex-M3-M4.html http://www.freertos.org/FAQHelp.html */ configASSERT( ucCurrentPriority >= ucMaxSysCallPriority ); 8097c: 4b13 ldr r3, [pc, #76] ; (809cc ) 8097e: 781b ldrb r3, [r3, #0] 80980: 7afa ldrb r2, [r7, #11] 80982: 429a cmp r2, r3 80984: d209 bcs.n 8099a __asm volatile 80986: f04f 03a0 mov.w r3, #160 ; 0xa0 8098a: f383 8811 msr BASEPRI, r3 8098e: f3bf 8f6f isb sy 80992: f3bf 8f4f dsb sy 80996: 607b str r3, [r7, #4] 80998: e7fe b.n 80998 configuration then the correct setting can be achieved on all Cortex-M devices by calling NVIC_SetPriorityGrouping( 0 ); before starting the scheduler. Note however that some vendor specific peripheral libraries assume a non-zero priority group setting, in which cases using a value of zero will result in unpredictable behaviour. */ configASSERT( ( portAIRCR_REG & portPRIORITY_GROUP_MASK ) <= ulMaxPRIGROUPValue ); 8099a: 4b0d ldr r3, [pc, #52] ; (809d0 ) 8099c: 681b ldr r3, [r3, #0] 8099e: f403 62e0 and.w r2, r3, #1792 ; 0x700 809a2: 4b0c ldr r3, [pc, #48] ; (809d4 ) 809a4: 681b ldr r3, [r3, #0] 809a6: 429a cmp r2, r3 809a8: d909 bls.n 809be 809aa: f04f 03a0 mov.w r3, #160 ; 0xa0 809ae: f383 8811 msr BASEPRI, r3 809b2: f3bf 8f6f isb sy 809b6: f3bf 8f4f dsb sy 809ba: 603b str r3, [r7, #0] 809bc: e7fe b.n 809bc } 809be: bf00 nop 809c0: 3714 adds r7, #20 809c2: 46bd mov sp, r7 809c4: bc80 pop {r7} 809c6: 4770 bx lr 809c8: e000e3f0 .word 0xe000e3f0 809cc: 2000a47c .word 0x2000a47c 809d0: e000ed0c .word 0xe000ed0c 809d4: 2000a480 .word 0x2000a480 000809d8 : } \ taskEXIT_CRITICAL() /*-----------------------------------------------------------*/ BaseType_t xQueueGenericReset( QueueHandle_t xQueue, BaseType_t xNewQueue ) { 809d8: b580 push {r7, lr} 809da: b084 sub sp, #16 809dc: af00 add r7, sp, #0 809de: 6078 str r0, [r7, #4] 809e0: 6039 str r1, [r7, #0] Queue_t * const pxQueue = xQueue; 809e2: 687b ldr r3, [r7, #4] 809e4: 60fb str r3, [r7, #12] configASSERT( pxQueue ); 809e6: 68fb ldr r3, [r7, #12] 809e8: 2b00 cmp r3, #0 809ea: d109 bne.n 80a00 809ec: f04f 03a0 mov.w r3, #160 ; 0xa0 809f0: f383 8811 msr BASEPRI, r3 809f4: f3bf 8f6f isb sy 809f8: f3bf 8f4f dsb sy 809fc: 60bb str r3, [r7, #8] 809fe: e7fe b.n 809fe taskENTER_CRITICAL(); 80a00: 4b28 ldr r3, [pc, #160] ; (80aa4 ) 80a02: 4798 blx r3 { pxQueue->u.xQueue.pcTail = pxQueue->pcHead + ( pxQueue->uxLength * pxQueue->uxItemSize ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */ 80a04: 68fb ldr r3, [r7, #12] 80a06: 681a ldr r2, [r3, #0] 80a08: 68fb ldr r3, [r7, #12] 80a0a: 6bdb ldr r3, [r3, #60] ; 0x3c 80a0c: 68f9 ldr r1, [r7, #12] 80a0e: 6c09 ldr r1, [r1, #64] ; 0x40 80a10: fb01 f303 mul.w r3, r1, r3 80a14: 441a add r2, r3 80a16: 68fb ldr r3, [r7, #12] 80a18: 609a str r2, [r3, #8] pxQueue->uxMessagesWaiting = ( UBaseType_t ) 0U; 80a1a: 68fb ldr r3, [r7, #12] 80a1c: 2200 movs r2, #0 80a1e: 639a str r2, [r3, #56] ; 0x38 pxQueue->pcWriteTo = pxQueue->pcHead; 80a20: 68fb ldr r3, [r7, #12] 80a22: 681a ldr r2, [r3, #0] 80a24: 68fb ldr r3, [r7, #12] 80a26: 605a str r2, [r3, #4] pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead + ( ( pxQueue->uxLength - 1U ) * pxQueue->uxItemSize ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */ 80a28: 68fb ldr r3, [r7, #12] 80a2a: 681a ldr r2, [r3, #0] 80a2c: 68fb ldr r3, [r7, #12] 80a2e: 6bdb ldr r3, [r3, #60] ; 0x3c 80a30: 3b01 subs r3, #1 80a32: 68f9 ldr r1, [r7, #12] 80a34: 6c09 ldr r1, [r1, #64] ; 0x40 80a36: fb01 f303 mul.w r3, r1, r3 80a3a: 441a add r2, r3 80a3c: 68fb ldr r3, [r7, #12] 80a3e: 60da str r2, [r3, #12] pxQueue->cRxLock = queueUNLOCKED; 80a40: 68fb ldr r3, [r7, #12] 80a42: 22ff movs r2, #255 ; 0xff 80a44: f883 2044 strb.w r2, [r3, #68] ; 0x44 pxQueue->cTxLock = queueUNLOCKED; 80a48: 68fb ldr r3, [r7, #12] 80a4a: 22ff movs r2, #255 ; 0xff 80a4c: f883 2045 strb.w r2, [r3, #69] ; 0x45 if( xNewQueue == pdFALSE ) 80a50: 683b ldr r3, [r7, #0] 80a52: 2b00 cmp r3, #0 80a54: d114 bne.n 80a80 /* If there are tasks blocked waiting to read from the queue, then the tasks will remain blocked as after this function exits the queue will still be empty. If there are tasks blocked waiting to write to the queue, then one should be unblocked as after this function exits it will be possible to write to it. */ if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToSend ) ) == pdFALSE ) 80a56: 68fb ldr r3, [r7, #12] 80a58: 691b ldr r3, [r3, #16] 80a5a: 2b00 cmp r3, #0 80a5c: d01a beq.n 80a94 { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToSend ) ) != pdFALSE ) 80a5e: 68fb ldr r3, [r7, #12] 80a60: 3310 adds r3, #16 80a62: 4618 mov r0, r3 80a64: 4b10 ldr r3, [pc, #64] ; (80aa8 ) 80a66: 4798 blx r3 80a68: 4603 mov r3, r0 80a6a: 2b00 cmp r3, #0 80a6c: d012 beq.n 80a94 { queueYIELD_IF_USING_PREEMPTION(); 80a6e: 4b0f ldr r3, [pc, #60] ; (80aac ) 80a70: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80a74: 601a str r2, [r3, #0] 80a76: f3bf 8f4f dsb sy 80a7a: f3bf 8f6f isb sy 80a7e: e009 b.n 80a94 } } else { /* Ensure the event queues start in the correct state. */ vListInitialise( &( pxQueue->xTasksWaitingToSend ) ); 80a80: 68fb ldr r3, [r7, #12] 80a82: 3310 adds r3, #16 80a84: 4618 mov r0, r3 80a86: 4b0a ldr r3, [pc, #40] ; (80ab0 ) 80a88: 4798 blx r3 vListInitialise( &( pxQueue->xTasksWaitingToReceive ) ); 80a8a: 68fb ldr r3, [r7, #12] 80a8c: 3324 adds r3, #36 ; 0x24 80a8e: 4618 mov r0, r3 80a90: 4b07 ldr r3, [pc, #28] ; (80ab0 ) 80a92: 4798 blx r3 } } taskEXIT_CRITICAL(); 80a94: 4b07 ldr r3, [pc, #28] ; (80ab4 ) 80a96: 4798 blx r3 /* A value is returned for calling semantic consistency with previous versions. */ return pdPASS; 80a98: 2301 movs r3, #1 } 80a9a: 4618 mov r0, r3 80a9c: 3710 adds r7, #16 80a9e: 46bd mov sp, r7 80aa0: bd80 pop {r7, pc} 80aa2: bf00 nop 80aa4: 000807e9 .word 0x000807e9 80aa8: 00081bcd .word 0x00081bcd 80aac: e000ed04 .word 0xe000ed04 80ab0: 000802d9 .word 0x000802d9 80ab4: 00080845 .word 0x00080845 00080ab8 : /*-----------------------------------------------------------*/ #if( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) QueueHandle_t xQueueGenericCreate( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, const uint8_t ucQueueType ) { 80ab8: b590 push {r4, r7, lr} 80aba: b08b sub sp, #44 ; 0x2c 80abc: af02 add r7, sp, #8 80abe: 60f8 str r0, [r7, #12] 80ac0: 60b9 str r1, [r7, #8] 80ac2: 4613 mov r3, r2 80ac4: 71fb strb r3, [r7, #7] Queue_t *pxNewQueue; size_t xQueueSizeInBytes; uint8_t *pucQueueStorage; configASSERT( uxQueueLength > ( UBaseType_t ) 0 ); 80ac6: 68fb ldr r3, [r7, #12] 80ac8: 2b00 cmp r3, #0 80aca: d109 bne.n 80ae0 80acc: f04f 03a0 mov.w r3, #160 ; 0xa0 80ad0: f383 8811 msr BASEPRI, r3 80ad4: f3bf 8f6f isb sy 80ad8: f3bf 8f4f dsb sy 80adc: 613b str r3, [r7, #16] 80ade: e7fe b.n 80ade /* Allocate enough space to hold the maximum number of items that can be in the queue at any time. It is valid for uxItemSize to be zero in the case the queue is used as a semaphore. */ xQueueSizeInBytes = ( size_t ) ( uxQueueLength * uxItemSize ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ 80ae0: 68fb ldr r3, [r7, #12] 80ae2: 68ba ldr r2, [r7, #8] 80ae4: fb02 f303 mul.w r3, r2, r3 80ae8: 61fb str r3, [r7, #28] alignment requirements of the Queue_t structure - which in this case is an int8_t *. Therefore, whenever the stack alignment requirements are greater than or equal to the pointer to char requirements the cast is safe. In other cases alignment requirements are not strict (one or two bytes). */ pxNewQueue = ( Queue_t * ) pvPortMalloc( sizeof( Queue_t ) + xQueueSizeInBytes ); /*lint !e9087 !e9079 see comment above. */ 80aea: 69fb ldr r3, [r7, #28] 80aec: 3348 adds r3, #72 ; 0x48 80aee: 4618 mov r0, r3 80af0: 4b0c ldr r3, [pc, #48] ; (80b24 ) 80af2: 4798 blx r3 80af4: 61b8 str r0, [r7, #24] if( pxNewQueue != NULL ) 80af6: 69bb ldr r3, [r7, #24] 80af8: 2b00 cmp r3, #0 80afa: d00d beq.n 80b18 { /* Jump past the queue structure to find the location of the queue storage area. */ pucQueueStorage = ( uint8_t * ) pxNewQueue; 80afc: 69bb ldr r3, [r7, #24] 80afe: 617b str r3, [r7, #20] pucQueueStorage += sizeof( Queue_t ); /*lint !e9016 Pointer arithmetic allowed on char types, especially when it assists conveying intent. */ 80b00: 697b ldr r3, [r7, #20] 80b02: 3348 adds r3, #72 ; 0x48 80b04: 617b str r3, [r7, #20] deleted. */ pxNewQueue->ucStaticallyAllocated = pdFALSE; } #endif /* configSUPPORT_STATIC_ALLOCATION */ prvInitialiseNewQueue( uxQueueLength, uxItemSize, pucQueueStorage, ucQueueType, pxNewQueue ); 80b06: 79fa ldrb r2, [r7, #7] 80b08: 69bb ldr r3, [r7, #24] 80b0a: 9300 str r3, [sp, #0] 80b0c: 4613 mov r3, r2 80b0e: 697a ldr r2, [r7, #20] 80b10: 68b9 ldr r1, [r7, #8] 80b12: 68f8 ldr r0, [r7, #12] 80b14: 4c04 ldr r4, [pc, #16] ; (80b28 ) 80b16: 47a0 blx r4 { traceQUEUE_CREATE_FAILED( ucQueueType ); mtCOVERAGE_TEST_MARKER(); } return pxNewQueue; 80b18: 69bb ldr r3, [r7, #24] } 80b1a: 4618 mov r0, r3 80b1c: 3724 adds r7, #36 ; 0x24 80b1e: 46bd mov sp, r7 80b20: bd90 pop {r4, r7, pc} 80b22: bf00 nop 80b24: 000801f1 .word 0x000801f1 80b28: 00080b2d .word 0x00080b2d 00080b2c : #endif /* configSUPPORT_STATIC_ALLOCATION */ /*-----------------------------------------------------------*/ static void prvInitialiseNewQueue( const UBaseType_t uxQueueLength, const UBaseType_t uxItemSize, uint8_t *pucQueueStorage, const uint8_t ucQueueType, Queue_t *pxNewQueue ) { 80b2c: b580 push {r7, lr} 80b2e: b084 sub sp, #16 80b30: af00 add r7, sp, #0 80b32: 60f8 str r0, [r7, #12] 80b34: 60b9 str r1, [r7, #8] 80b36: 607a str r2, [r7, #4] 80b38: 70fb strb r3, [r7, #3] /* Remove compiler warnings about unused parameters should configUSE_TRACE_FACILITY not be set to 1. */ ( void ) ucQueueType; if( uxItemSize == ( UBaseType_t ) 0 ) 80b3a: 68bb ldr r3, [r7, #8] 80b3c: 2b00 cmp r3, #0 80b3e: d103 bne.n 80b48 { /* No RAM was allocated for the queue storage area, but PC head cannot be set to NULL because NULL is used as a key to say the queue is used as a mutex. Therefore just set pcHead to point to the queue as a benign value that is known to be within the memory map. */ pxNewQueue->pcHead = ( int8_t * ) pxNewQueue; 80b40: 69bb ldr r3, [r7, #24] 80b42: 69ba ldr r2, [r7, #24] 80b44: 601a str r2, [r3, #0] 80b46: e002 b.n 80b4e } else { /* Set the head to the start of the queue storage area. */ pxNewQueue->pcHead = ( int8_t * ) pucQueueStorage; 80b48: 69bb ldr r3, [r7, #24] 80b4a: 687a ldr r2, [r7, #4] 80b4c: 601a str r2, [r3, #0] } /* Initialise the queue members as described where the queue type is defined. */ pxNewQueue->uxLength = uxQueueLength; 80b4e: 69bb ldr r3, [r7, #24] 80b50: 68fa ldr r2, [r7, #12] 80b52: 63da str r2, [r3, #60] ; 0x3c pxNewQueue->uxItemSize = uxItemSize; 80b54: 69bb ldr r3, [r7, #24] 80b56: 68ba ldr r2, [r7, #8] 80b58: 641a str r2, [r3, #64] ; 0x40 ( void ) xQueueGenericReset( pxNewQueue, pdTRUE ); 80b5a: 2101 movs r1, #1 80b5c: 69b8 ldr r0, [r7, #24] 80b5e: 4b03 ldr r3, [pc, #12] ; (80b6c ) 80b60: 4798 blx r3 pxNewQueue->pxQueueSetContainer = NULL; } #endif /* configUSE_QUEUE_SETS */ traceQUEUE_CREATE( pxNewQueue ); } 80b62: bf00 nop 80b64: 3710 adds r7, #16 80b66: 46bd mov sp, r7 80b68: bd80 pop {r7, pc} 80b6a: bf00 nop 80b6c: 000809d9 .word 0x000809d9 00080b70 : #endif /* ( ( configUSE_COUNTING_SEMAPHORES == 1 ) && ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) ) */ /*-----------------------------------------------------------*/ BaseType_t xQueueGenericSend( QueueHandle_t xQueue, const void * const pvItemToQueue, TickType_t xTicksToWait, const BaseType_t xCopyPosition ) { 80b70: b580 push {r7, lr} 80b72: b08e sub sp, #56 ; 0x38 80b74: af00 add r7, sp, #0 80b76: 60f8 str r0, [r7, #12] 80b78: 60b9 str r1, [r7, #8] 80b7a: 607a str r2, [r7, #4] 80b7c: 603b str r3, [r7, #0] BaseType_t xEntryTimeSet = pdFALSE, xYieldRequired; 80b7e: 2300 movs r3, #0 80b80: 637b str r3, [r7, #52] ; 0x34 TimeOut_t xTimeOut; Queue_t * const pxQueue = xQueue; 80b82: 68fb ldr r3, [r7, #12] 80b84: 633b str r3, [r7, #48] ; 0x30 configASSERT( pxQueue ); 80b86: 6b3b ldr r3, [r7, #48] ; 0x30 80b88: 2b00 cmp r3, #0 80b8a: d109 bne.n 80ba0 80b8c: f04f 03a0 mov.w r3, #160 ; 0xa0 80b90: f383 8811 msr BASEPRI, r3 80b94: f3bf 8f6f isb sy 80b98: f3bf 8f4f dsb sy 80b9c: 62bb str r3, [r7, #40] ; 0x28 80b9e: e7fe b.n 80b9e configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) ); 80ba0: 68bb ldr r3, [r7, #8] 80ba2: 2b00 cmp r3, #0 80ba4: d103 bne.n 80bae 80ba6: 6b3b ldr r3, [r7, #48] ; 0x30 80ba8: 6c1b ldr r3, [r3, #64] ; 0x40 80baa: 2b00 cmp r3, #0 80bac: d101 bne.n 80bb2 80bae: 2301 movs r3, #1 80bb0: e000 b.n 80bb4 80bb2: 2300 movs r3, #0 80bb4: 2b00 cmp r3, #0 80bb6: d109 bne.n 80bcc 80bb8: f04f 03a0 mov.w r3, #160 ; 0xa0 80bbc: f383 8811 msr BASEPRI, r3 80bc0: f3bf 8f6f isb sy 80bc4: f3bf 8f4f dsb sy 80bc8: 627b str r3, [r7, #36] ; 0x24 80bca: e7fe b.n 80bca configASSERT( !( ( xCopyPosition == queueOVERWRITE ) && ( pxQueue->uxLength != 1 ) ) ); 80bcc: 683b ldr r3, [r7, #0] 80bce: 2b02 cmp r3, #2 80bd0: d103 bne.n 80bda 80bd2: 6b3b ldr r3, [r7, #48] ; 0x30 80bd4: 6bdb ldr r3, [r3, #60] ; 0x3c 80bd6: 2b01 cmp r3, #1 80bd8: d101 bne.n 80bde 80bda: 2301 movs r3, #1 80bdc: e000 b.n 80be0 80bde: 2300 movs r3, #0 80be0: 2b00 cmp r3, #0 80be2: d109 bne.n 80bf8 80be4: f04f 03a0 mov.w r3, #160 ; 0xa0 80be8: f383 8811 msr BASEPRI, r3 80bec: f3bf 8f6f isb sy 80bf0: f3bf 8f4f dsb sy 80bf4: 623b str r3, [r7, #32] 80bf6: e7fe b.n 80bf6 #if ( ( INCLUDE_xTaskGetSchedulerState == 1 ) || ( configUSE_TIMERS == 1 ) ) { configASSERT( !( ( xTaskGetSchedulerState() == taskSCHEDULER_SUSPENDED ) && ( xTicksToWait != 0 ) ) ); 80bf8: 4b59 ldr r3, [pc, #356] ; (80d60 ) 80bfa: 4798 blx r3 80bfc: 4603 mov r3, r0 80bfe: 2b00 cmp r3, #0 80c00: d102 bne.n 80c08 80c02: 687b ldr r3, [r7, #4] 80c04: 2b00 cmp r3, #0 80c06: d101 bne.n 80c0c 80c08: 2301 movs r3, #1 80c0a: e000 b.n 80c0e 80c0c: 2300 movs r3, #0 80c0e: 2b00 cmp r3, #0 80c10: d109 bne.n 80c26 80c12: f04f 03a0 mov.w r3, #160 ; 0xa0 80c16: f383 8811 msr BASEPRI, r3 80c1a: f3bf 8f6f isb sy 80c1e: f3bf 8f4f dsb sy 80c22: 61fb str r3, [r7, #28] 80c24: e7fe b.n 80c24 /*lint -save -e904 This function relaxes the coding standard somewhat to allow return statements within the function itself. This is done in the interest of execution time efficiency. */ for( ;; ) { taskENTER_CRITICAL(); 80c26: 4b4f ldr r3, [pc, #316] ; (80d64 ) 80c28: 4798 blx r3 { /* Is there room on the queue now? The running task must be the highest priority task wanting to access the queue. If the head item in the queue is to be overwritten then it does not matter if the queue is full. */ if( ( pxQueue->uxMessagesWaiting < pxQueue->uxLength ) || ( xCopyPosition == queueOVERWRITE ) ) 80c2a: 6b3b ldr r3, [r7, #48] ; 0x30 80c2c: 6b9a ldr r2, [r3, #56] ; 0x38 80c2e: 6b3b ldr r3, [r7, #48] ; 0x30 80c30: 6bdb ldr r3, [r3, #60] ; 0x3c 80c32: 429a cmp r2, r3 80c34: d302 bcc.n 80c3c 80c36: 683b ldr r3, [r7, #0] 80c38: 2b02 cmp r3, #2 80c3a: d129 bne.n 80c90 } } } #else /* configUSE_QUEUE_SETS */ { xYieldRequired = prvCopyDataToQueue( pxQueue, pvItemToQueue, xCopyPosition ); 80c3c: 683a ldr r2, [r7, #0] 80c3e: 68b9 ldr r1, [r7, #8] 80c40: 6b38 ldr r0, [r7, #48] ; 0x30 80c42: 4b49 ldr r3, [pc, #292] ; (80d68 ) 80c44: 4798 blx r3 80c46: 62f8 str r0, [r7, #44] ; 0x2c /* If there was a task waiting for data to arrive on the queue then unblock it now. */ if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToReceive ) ) == pdFALSE ) 80c48: 6b3b ldr r3, [r7, #48] ; 0x30 80c4a: 6a5b ldr r3, [r3, #36] ; 0x24 80c4c: 2b00 cmp r3, #0 80c4e: d010 beq.n 80c72 { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToReceive ) ) != pdFALSE ) 80c50: 6b3b ldr r3, [r7, #48] ; 0x30 80c52: 3324 adds r3, #36 ; 0x24 80c54: 4618 mov r0, r3 80c56: 4b45 ldr r3, [pc, #276] ; (80d6c ) 80c58: 4798 blx r3 80c5a: 4603 mov r3, r0 80c5c: 2b00 cmp r3, #0 80c5e: d013 beq.n 80c88 { /* The unblocked task has a priority higher than our own so yield immediately. Yes it is ok to do this from within the critical section - the kernel takes care of that. */ queueYIELD_IF_USING_PREEMPTION(); 80c60: 4b43 ldr r3, [pc, #268] ; (80d70 ) 80c62: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80c66: 601a str r2, [r3, #0] 80c68: f3bf 8f4f dsb sy 80c6c: f3bf 8f6f isb sy 80c70: e00a b.n 80c88 else { mtCOVERAGE_TEST_MARKER(); } } else if( xYieldRequired != pdFALSE ) 80c72: 6afb ldr r3, [r7, #44] ; 0x2c 80c74: 2b00 cmp r3, #0 80c76: d007 beq.n 80c88 { /* This path is a special case that will only get executed if the task was holding multiple mutexes and the mutexes were given back in an order that is different to that in which they were taken. */ queueYIELD_IF_USING_PREEMPTION(); 80c78: 4b3d ldr r3, [pc, #244] ; (80d70 ) 80c7a: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80c7e: 601a str r2, [r3, #0] 80c80: f3bf 8f4f dsb sy 80c84: f3bf 8f6f isb sy mtCOVERAGE_TEST_MARKER(); } } #endif /* configUSE_QUEUE_SETS */ taskEXIT_CRITICAL(); 80c88: 4b3a ldr r3, [pc, #232] ; (80d74 ) 80c8a: 4798 blx r3 return pdPASS; 80c8c: 2301 movs r3, #1 80c8e: e063 b.n 80d58 } else { if( xTicksToWait == ( TickType_t ) 0 ) 80c90: 687b ldr r3, [r7, #4] 80c92: 2b00 cmp r3, #0 80c94: d103 bne.n 80c9e { /* The queue was full and no block time is specified (or the block time has expired) so leave now. */ taskEXIT_CRITICAL(); 80c96: 4b37 ldr r3, [pc, #220] ; (80d74 ) 80c98: 4798 blx r3 /* Return to the original privilege level before exiting the function. */ traceQUEUE_SEND_FAILED( pxQueue ); return errQUEUE_FULL; 80c9a: 2300 movs r3, #0 80c9c: e05c b.n 80d58 } else if( xEntryTimeSet == pdFALSE ) 80c9e: 6b7b ldr r3, [r7, #52] ; 0x34 80ca0: 2b00 cmp r3, #0 80ca2: d106 bne.n 80cb2 { /* The queue was full and a block time was specified so configure the timeout structure. */ vTaskInternalSetTimeOutState( &xTimeOut ); 80ca4: f107 0314 add.w r3, r7, #20 80ca8: 4618 mov r0, r3 80caa: 4b33 ldr r3, [pc, #204] ; (80d78 ) 80cac: 4798 blx r3 xEntryTimeSet = pdTRUE; 80cae: 2301 movs r3, #1 80cb0: 637b str r3, [r7, #52] ; 0x34 /* Entry time was already set. */ mtCOVERAGE_TEST_MARKER(); } } } taskEXIT_CRITICAL(); 80cb2: 4b30 ldr r3, [pc, #192] ; (80d74 ) 80cb4: 4798 blx r3 /* Interrupts and other tasks can send to and receive from the queue now the critical section has been exited. */ vTaskSuspendAll(); 80cb6: 4b31 ldr r3, [pc, #196] ; (80d7c ) 80cb8: 4798 blx r3 prvLockQueue( pxQueue ); 80cba: 4b2a ldr r3, [pc, #168] ; (80d64 ) 80cbc: 4798 blx r3 80cbe: 6b3b ldr r3, [r7, #48] ; 0x30 80cc0: f893 3044 ldrb.w r3, [r3, #68] ; 0x44 80cc4: b25b sxtb r3, r3 80cc6: f1b3 3fff cmp.w r3, #4294967295 80cca: d103 bne.n 80cd4 80ccc: 6b3b ldr r3, [r7, #48] ; 0x30 80cce: 2200 movs r2, #0 80cd0: f883 2044 strb.w r2, [r3, #68] ; 0x44 80cd4: 6b3b ldr r3, [r7, #48] ; 0x30 80cd6: f893 3045 ldrb.w r3, [r3, #69] ; 0x45 80cda: b25b sxtb r3, r3 80cdc: f1b3 3fff cmp.w r3, #4294967295 80ce0: d103 bne.n 80cea 80ce2: 6b3b ldr r3, [r7, #48] ; 0x30 80ce4: 2200 movs r2, #0 80ce6: f883 2045 strb.w r2, [r3, #69] ; 0x45 80cea: 4b22 ldr r3, [pc, #136] ; (80d74 ) 80cec: 4798 blx r3 /* Update the timeout state to see if it has expired yet. */ if( xTaskCheckForTimeOut( &xTimeOut, &xTicksToWait ) == pdFALSE ) 80cee: 1d3a adds r2, r7, #4 80cf0: f107 0314 add.w r3, r7, #20 80cf4: 4611 mov r1, r2 80cf6: 4618 mov r0, r3 80cf8: 4b21 ldr r3, [pc, #132] ; (80d80 ) 80cfa: 4798 blx r3 80cfc: 4603 mov r3, r0 80cfe: 2b00 cmp r3, #0 80d00: d124 bne.n 80d4c { if( prvIsQueueFull( pxQueue ) != pdFALSE ) 80d02: 6b38 ldr r0, [r7, #48] ; 0x30 80d04: 4b1f ldr r3, [pc, #124] ; (80d84 ) 80d06: 4798 blx r3 80d08: 4603 mov r3, r0 80d0a: 2b00 cmp r3, #0 80d0c: d018 beq.n 80d40 { traceBLOCKING_ON_QUEUE_SEND( pxQueue ); vTaskPlaceOnEventList( &( pxQueue->xTasksWaitingToSend ), xTicksToWait ); 80d0e: 6b3b ldr r3, [r7, #48] ; 0x30 80d10: 3310 adds r3, #16 80d12: 687a ldr r2, [r7, #4] 80d14: 4611 mov r1, r2 80d16: 4618 mov r0, r3 80d18: 4b1b ldr r3, [pc, #108] ; (80d88 ) 80d1a: 4798 blx r3 /* Unlocking the queue means queue events can effect the event list. It is possible that interrupts occurring now remove this task from the event list again - but as the scheduler is suspended the task will go onto the pending ready last instead of the actual ready list. */ prvUnlockQueue( pxQueue ); 80d1c: 6b38 ldr r0, [r7, #48] ; 0x30 80d1e: 4b1b ldr r3, [pc, #108] ; (80d8c ) 80d20: 4798 blx r3 /* Resuming the scheduler will move tasks from the pending ready list into the ready list - so it is feasible that this task is already in a ready list before it yields - in which case the yield will not cause a context switch unless there is also a higher priority task in the pending ready list. */ if( xTaskResumeAll() == pdFALSE ) 80d22: 4b1b ldr r3, [pc, #108] ; (80d90 ) 80d24: 4798 blx r3 80d26: 4603 mov r3, r0 80d28: 2b00 cmp r3, #0 80d2a: f47f af7c bne.w 80c26 { portYIELD_WITHIN_API(); 80d2e: 4b10 ldr r3, [pc, #64] ; (80d70 ) 80d30: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80d34: 601a str r2, [r3, #0] 80d36: f3bf 8f4f dsb sy 80d3a: f3bf 8f6f isb sy 80d3e: e772 b.n 80c26 } } else { /* Try again. */ prvUnlockQueue( pxQueue ); 80d40: 6b38 ldr r0, [r7, #48] ; 0x30 80d42: 4b12 ldr r3, [pc, #72] ; (80d8c ) 80d44: 4798 blx r3 ( void ) xTaskResumeAll(); 80d46: 4b12 ldr r3, [pc, #72] ; (80d90 ) 80d48: 4798 blx r3 80d4a: e76c b.n 80c26 } } else { /* The timeout has expired. */ prvUnlockQueue( pxQueue ); 80d4c: 6b38 ldr r0, [r7, #48] ; 0x30 80d4e: 4b0f ldr r3, [pc, #60] ; (80d8c ) 80d50: 4798 blx r3 ( void ) xTaskResumeAll(); 80d52: 4b0f ldr r3, [pc, #60] ; (80d90 ) 80d54: 4798 blx r3 traceQUEUE_SEND_FAILED( pxQueue ); return errQUEUE_FULL; 80d56: 2300 movs r3, #0 } } /*lint -restore */ } 80d58: 4618 mov r0, r3 80d5a: 3738 adds r7, #56 ; 0x38 80d5c: 46bd mov sp, r7 80d5e: bd80 pop {r7, pc} 80d60: 00081f35 .word 0x00081f35 80d64: 000807e9 .word 0x000807e9 80d68: 000810fd .word 0x000810fd 80d6c: 00081bcd .word 0x00081bcd 80d70: e000ed04 .word 0xe000ed04 80d74: 00080845 .word 0x00080845 80d78: 00081c99 .word 0x00081c99 80d7c: 00081705 .word 0x00081705 80d80: 00081cc5 .word 0x00081cc5 80d84: 00081311 .word 0x00081311 80d88: 00081b21 .word 0x00081b21 80d8c: 00081229 .word 0x00081229 80d90: 00081721 .word 0x00081721 00080d94 : /*-----------------------------------------------------------*/ BaseType_t xQueueGenericSendFromISR( QueueHandle_t xQueue, const void * const pvItemToQueue, BaseType_t * const pxHigherPriorityTaskWoken, const BaseType_t xCopyPosition ) { 80d94: b580 push {r7, lr} 80d96: b090 sub sp, #64 ; 0x40 80d98: af00 add r7, sp, #0 80d9a: 60f8 str r0, [r7, #12] 80d9c: 60b9 str r1, [r7, #8] 80d9e: 607a str r2, [r7, #4] 80da0: 603b str r3, [r7, #0] BaseType_t xReturn; UBaseType_t uxSavedInterruptStatus; Queue_t * const pxQueue = xQueue; 80da2: 68fb ldr r3, [r7, #12] 80da4: 63bb str r3, [r7, #56] ; 0x38 configASSERT( pxQueue ); 80da6: 6bbb ldr r3, [r7, #56] ; 0x38 80da8: 2b00 cmp r3, #0 80daa: d109 bne.n 80dc0 80dac: f04f 03a0 mov.w r3, #160 ; 0xa0 80db0: f383 8811 msr BASEPRI, r3 80db4: f3bf 8f6f isb sy 80db8: f3bf 8f4f dsb sy 80dbc: 62bb str r3, [r7, #40] ; 0x28 80dbe: e7fe b.n 80dbe configASSERT( !( ( pvItemToQueue == NULL ) && ( pxQueue->uxItemSize != ( UBaseType_t ) 0U ) ) ); 80dc0: 68bb ldr r3, [r7, #8] 80dc2: 2b00 cmp r3, #0 80dc4: d103 bne.n 80dce 80dc6: 6bbb ldr r3, [r7, #56] ; 0x38 80dc8: 6c1b ldr r3, [r3, #64] ; 0x40 80dca: 2b00 cmp r3, #0 80dcc: d101 bne.n 80dd2 80dce: 2301 movs r3, #1 80dd0: e000 b.n 80dd4 80dd2: 2300 movs r3, #0 80dd4: 2b00 cmp r3, #0 80dd6: d109 bne.n 80dec 80dd8: f04f 03a0 mov.w r3, #160 ; 0xa0 80ddc: f383 8811 msr BASEPRI, r3 80de0: f3bf 8f6f isb sy 80de4: f3bf 8f4f dsb sy 80de8: 627b str r3, [r7, #36] ; 0x24 80dea: e7fe b.n 80dea configASSERT( !( ( xCopyPosition == queueOVERWRITE ) && ( pxQueue->uxLength != 1 ) ) ); 80dec: 683b ldr r3, [r7, #0] 80dee: 2b02 cmp r3, #2 80df0: d103 bne.n 80dfa 80df2: 6bbb ldr r3, [r7, #56] ; 0x38 80df4: 6bdb ldr r3, [r3, #60] ; 0x3c 80df6: 2b01 cmp r3, #1 80df8: d101 bne.n 80dfe 80dfa: 2301 movs r3, #1 80dfc: e000 b.n 80e00 80dfe: 2300 movs r3, #0 80e00: 2b00 cmp r3, #0 80e02: d109 bne.n 80e18 80e04: f04f 03a0 mov.w r3, #160 ; 0xa0 80e08: f383 8811 msr BASEPRI, r3 80e0c: f3bf 8f6f isb sy 80e10: f3bf 8f4f dsb sy 80e14: 623b str r3, [r7, #32] 80e16: e7fe b.n 80e16 that have been assigned a priority at or (logically) below the maximum system call interrupt priority. FreeRTOS maintains a separate interrupt safe API to ensure interrupt entry is as fast and as simple as possible. More information (albeit Cortex-M specific) is provided on the following link: http://www.freertos.org/RTOS-Cortex-M3-M4.html */ portASSERT_IF_INTERRUPT_PRIORITY_INVALID(); 80e18: 4b2a ldr r3, [pc, #168] ; (80ec4 ) 80e1a: 4798 blx r3 __asm volatile 80e1c: f3ef 8211 mrs r2, BASEPRI 80e20: f04f 03a0 mov.w r3, #160 ; 0xa0 80e24: f383 8811 msr BASEPRI, r3 80e28: f3bf 8f6f isb sy 80e2c: f3bf 8f4f dsb sy 80e30: 61fa str r2, [r7, #28] 80e32: 61bb str r3, [r7, #24] return ulOriginalBASEPRI; 80e34: 69fb ldr r3, [r7, #28] /* Similar to xQueueGenericSend, except without blocking if there is no room in the queue. Also don't directly wake a task that was blocked on a queue read, instead return a flag to say whether a context switch is required or not (i.e. has a task with a higher priority than us been woken by this post). */ uxSavedInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR(); 80e36: 637b str r3, [r7, #52] ; 0x34 { if( ( pxQueue->uxMessagesWaiting < pxQueue->uxLength ) || ( xCopyPosition == queueOVERWRITE ) ) 80e38: 6bbb ldr r3, [r7, #56] ; 0x38 80e3a: 6b9a ldr r2, [r3, #56] ; 0x38 80e3c: 6bbb ldr r3, [r7, #56] ; 0x38 80e3e: 6bdb ldr r3, [r3, #60] ; 0x3c 80e40: 429a cmp r2, r3 80e42: d302 bcc.n 80e4a 80e44: 683b ldr r3, [r7, #0] 80e46: 2b02 cmp r3, #2 80e48: d12f bne.n 80eaa { const int8_t cTxLock = pxQueue->cTxLock; 80e4a: 6bbb ldr r3, [r7, #56] ; 0x38 80e4c: f893 3045 ldrb.w r3, [r3, #69] ; 0x45 80e50: f887 3033 strb.w r3, [r7, #51] ; 0x33 const UBaseType_t uxPreviousMessagesWaiting = pxQueue->uxMessagesWaiting; 80e54: 6bbb ldr r3, [r7, #56] ; 0x38 80e56: 6b9b ldr r3, [r3, #56] ; 0x38 80e58: 62fb str r3, [r7, #44] ; 0x2c /* Semaphores use xQueueGiveFromISR(), so pxQueue will not be a semaphore or mutex. That means prvCopyDataToQueue() cannot result in a task disinheriting a priority and prvCopyDataToQueue() can be called here even though the disinherit function does not check if the scheduler is suspended before accessing the ready lists. */ ( void ) prvCopyDataToQueue( pxQueue, pvItemToQueue, xCopyPosition ); 80e5a: 683a ldr r2, [r7, #0] 80e5c: 68b9 ldr r1, [r7, #8] 80e5e: 6bb8 ldr r0, [r7, #56] ; 0x38 80e60: 4b19 ldr r3, [pc, #100] ; (80ec8 ) 80e62: 4798 blx r3 /* The event list is not altered if the queue is locked. This will be done when the queue is unlocked later. */ if( cTxLock == queueUNLOCKED ) 80e64: f997 3033 ldrsb.w r3, [r7, #51] ; 0x33 80e68: f1b3 3fff cmp.w r3, #4294967295 80e6c: d112 bne.n 80e94 } } } #else /* configUSE_QUEUE_SETS */ { if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToReceive ) ) == pdFALSE ) 80e6e: 6bbb ldr r3, [r7, #56] ; 0x38 80e70: 6a5b ldr r3, [r3, #36] ; 0x24 80e72: 2b00 cmp r3, #0 80e74: d016 beq.n 80ea4 { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToReceive ) ) != pdFALSE ) 80e76: 6bbb ldr r3, [r7, #56] ; 0x38 80e78: 3324 adds r3, #36 ; 0x24 80e7a: 4618 mov r0, r3 80e7c: 4b13 ldr r3, [pc, #76] ; (80ecc ) 80e7e: 4798 blx r3 80e80: 4603 mov r3, r0 80e82: 2b00 cmp r3, #0 80e84: d00e beq.n 80ea4 { /* The task waiting has a higher priority so record that a context switch is required. */ if( pxHigherPriorityTaskWoken != NULL ) 80e86: 687b ldr r3, [r7, #4] 80e88: 2b00 cmp r3, #0 80e8a: d00b beq.n 80ea4 { *pxHigherPriorityTaskWoken = pdTRUE; 80e8c: 687b ldr r3, [r7, #4] 80e8e: 2201 movs r2, #1 80e90: 601a str r2, [r3, #0] 80e92: e007 b.n 80ea4 } else { /* Increment the lock count so the task that unlocks the queue knows that data was posted while it was locked. */ pxQueue->cTxLock = ( int8_t ) ( cTxLock + 1 ); 80e94: f897 3033 ldrb.w r3, [r7, #51] ; 0x33 80e98: 3301 adds r3, #1 80e9a: b2db uxtb r3, r3 80e9c: b25a sxtb r2, r3 80e9e: 6bbb ldr r3, [r7, #56] ; 0x38 80ea0: f883 2045 strb.w r2, [r3, #69] ; 0x45 } xReturn = pdPASS; 80ea4: 2301 movs r3, #1 80ea6: 63fb str r3, [r7, #60] ; 0x3c { 80ea8: e001 b.n 80eae } else { traceQUEUE_SEND_FROM_ISR_FAILED( pxQueue ); xReturn = errQUEUE_FULL; 80eaa: 2300 movs r3, #0 80eac: 63fb str r3, [r7, #60] ; 0x3c 80eae: 6b7b ldr r3, [r7, #52] ; 0x34 80eb0: 617b str r3, [r7, #20] __asm volatile 80eb2: 697b ldr r3, [r7, #20] 80eb4: f383 8811 msr BASEPRI, r3 } } portCLEAR_INTERRUPT_MASK_FROM_ISR( uxSavedInterruptStatus ); return xReturn; 80eb8: 6bfb ldr r3, [r7, #60] ; 0x3c } 80eba: 4618 mov r0, r3 80ebc: 3740 adds r7, #64 ; 0x40 80ebe: 46bd mov sp, r7 80ec0: bd80 pop {r7, pc} 80ec2: bf00 nop 80ec4: 00080961 .word 0x00080961 80ec8: 000810fd .word 0x000810fd 80ecc: 00081bcd .word 0x00081bcd 00080ed0 : return xReturn; } /*-----------------------------------------------------------*/ BaseType_t xQueueReceive( QueueHandle_t xQueue, void * const pvBuffer, TickType_t xTicksToWait ) { 80ed0: b580 push {r7, lr} 80ed2: b08c sub sp, #48 ; 0x30 80ed4: af00 add r7, sp, #0 80ed6: 60f8 str r0, [r7, #12] 80ed8: 60b9 str r1, [r7, #8] 80eda: 607a str r2, [r7, #4] BaseType_t xEntryTimeSet = pdFALSE; 80edc: 2300 movs r3, #0 80ede: 62fb str r3, [r7, #44] ; 0x2c TimeOut_t xTimeOut; Queue_t * const pxQueue = xQueue; 80ee0: 68fb ldr r3, [r7, #12] 80ee2: 62bb str r3, [r7, #40] ; 0x28 /* Check the pointer is not NULL. */ configASSERT( ( pxQueue ) ); 80ee4: 6abb ldr r3, [r7, #40] ; 0x28 80ee6: 2b00 cmp r3, #0 80ee8: d109 bne.n 80efe __asm volatile 80eea: f04f 03a0 mov.w r3, #160 ; 0xa0 80eee: f383 8811 msr BASEPRI, r3 80ef2: f3bf 8f6f isb sy 80ef6: f3bf 8f4f dsb sy 80efa: 623b str r3, [r7, #32] 80efc: e7fe b.n 80efc /* The buffer into which data is received can only be NULL if the data size is zero (so no data is copied into the buffer. */ configASSERT( !( ( ( pvBuffer ) == NULL ) && ( ( pxQueue )->uxItemSize != ( UBaseType_t ) 0U ) ) ); 80efe: 68bb ldr r3, [r7, #8] 80f00: 2b00 cmp r3, #0 80f02: d103 bne.n 80f0c 80f04: 6abb ldr r3, [r7, #40] ; 0x28 80f06: 6c1b ldr r3, [r3, #64] ; 0x40 80f08: 2b00 cmp r3, #0 80f0a: d101 bne.n 80f10 80f0c: 2301 movs r3, #1 80f0e: e000 b.n 80f12 80f10: 2300 movs r3, #0 80f12: 2b00 cmp r3, #0 80f14: d109 bne.n 80f2a 80f16: f04f 03a0 mov.w r3, #160 ; 0xa0 80f1a: f383 8811 msr BASEPRI, r3 80f1e: f3bf 8f6f isb sy 80f22: f3bf 8f4f dsb sy 80f26: 61fb str r3, [r7, #28] 80f28: e7fe b.n 80f28 /* Cannot block if the scheduler is suspended. */ #if ( ( INCLUDE_xTaskGetSchedulerState == 1 ) || ( configUSE_TIMERS == 1 ) ) { configASSERT( !( ( xTaskGetSchedulerState() == taskSCHEDULER_SUSPENDED ) && ( xTicksToWait != 0 ) ) ); 80f2a: 4b56 ldr r3, [pc, #344] ; (81084 ) 80f2c: 4798 blx r3 80f2e: 4603 mov r3, r0 80f30: 2b00 cmp r3, #0 80f32: d102 bne.n 80f3a 80f34: 687b ldr r3, [r7, #4] 80f36: 2b00 cmp r3, #0 80f38: d101 bne.n 80f3e 80f3a: 2301 movs r3, #1 80f3c: e000 b.n 80f40 80f3e: 2300 movs r3, #0 80f40: 2b00 cmp r3, #0 80f42: d109 bne.n 80f58 80f44: f04f 03a0 mov.w r3, #160 ; 0xa0 80f48: f383 8811 msr BASEPRI, r3 80f4c: f3bf 8f6f isb sy 80f50: f3bf 8f4f dsb sy 80f54: 61bb str r3, [r7, #24] 80f56: e7fe b.n 80f56 /*lint -save -e904 This function relaxes the coding standard somewhat to allow return statements within the function itself. This is done in the interest of execution time efficiency. */ for( ;; ) { taskENTER_CRITICAL(); 80f58: 4b4b ldr r3, [pc, #300] ; (81088 ) 80f5a: 4798 blx r3 { const UBaseType_t uxMessagesWaiting = pxQueue->uxMessagesWaiting; 80f5c: 6abb ldr r3, [r7, #40] ; 0x28 80f5e: 6b9b ldr r3, [r3, #56] ; 0x38 80f60: 627b str r3, [r7, #36] ; 0x24 /* Is there data in the queue now? To be running the calling task must be the highest priority task wanting to access the queue. */ if( uxMessagesWaiting > ( UBaseType_t ) 0 ) 80f62: 6a7b ldr r3, [r7, #36] ; 0x24 80f64: 2b00 cmp r3, #0 80f66: d01f beq.n 80fa8 { /* Data available, remove one item. */ prvCopyDataFromQueue( pxQueue, pvBuffer ); 80f68: 68b9 ldr r1, [r7, #8] 80f6a: 6ab8 ldr r0, [r7, #40] ; 0x28 80f6c: 4b47 ldr r3, [pc, #284] ; (8108c ) 80f6e: 4798 blx r3 traceQUEUE_RECEIVE( pxQueue ); pxQueue->uxMessagesWaiting = uxMessagesWaiting - ( UBaseType_t ) 1; 80f70: 6a7b ldr r3, [r7, #36] ; 0x24 80f72: 1e5a subs r2, r3, #1 80f74: 6abb ldr r3, [r7, #40] ; 0x28 80f76: 639a str r2, [r3, #56] ; 0x38 /* There is now space in the queue, were any tasks waiting to post to the queue? If so, unblock the highest priority waiting task. */ if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToSend ) ) == pdFALSE ) 80f78: 6abb ldr r3, [r7, #40] ; 0x28 80f7a: 691b ldr r3, [r3, #16] 80f7c: 2b00 cmp r3, #0 80f7e: d00f beq.n 80fa0 { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToSend ) ) != pdFALSE ) 80f80: 6abb ldr r3, [r7, #40] ; 0x28 80f82: 3310 adds r3, #16 80f84: 4618 mov r0, r3 80f86: 4b42 ldr r3, [pc, #264] ; (81090 ) 80f88: 4798 blx r3 80f8a: 4603 mov r3, r0 80f8c: 2b00 cmp r3, #0 80f8e: d007 beq.n 80fa0 { queueYIELD_IF_USING_PREEMPTION(); 80f90: 4b40 ldr r3, [pc, #256] ; (81094 ) 80f92: f04f 5280 mov.w r2, #268435456 ; 0x10000000 80f96: 601a str r2, [r3, #0] 80f98: f3bf 8f4f dsb sy 80f9c: f3bf 8f6f isb sy else { mtCOVERAGE_TEST_MARKER(); } taskEXIT_CRITICAL(); 80fa0: 4b3d ldr r3, [pc, #244] ; (81098 ) 80fa2: 4798 blx r3 return pdPASS; 80fa4: 2301 movs r3, #1 80fa6: e069 b.n 8107c } else { if( xTicksToWait == ( TickType_t ) 0 ) 80fa8: 687b ldr r3, [r7, #4] 80faa: 2b00 cmp r3, #0 80fac: d103 bne.n 80fb6 { /* The queue was empty and no block time is specified (or the block time has expired) so leave now. */ taskEXIT_CRITICAL(); 80fae: 4b3a ldr r3, [pc, #232] ; (81098 ) 80fb0: 4798 blx r3 traceQUEUE_RECEIVE_FAILED( pxQueue ); return errQUEUE_EMPTY; 80fb2: 2300 movs r3, #0 80fb4: e062 b.n 8107c } else if( xEntryTimeSet == pdFALSE ) 80fb6: 6afb ldr r3, [r7, #44] ; 0x2c 80fb8: 2b00 cmp r3, #0 80fba: d106 bne.n 80fca { /* The queue was empty and a block time was specified so configure the timeout structure. */ vTaskInternalSetTimeOutState( &xTimeOut ); 80fbc: f107 0310 add.w r3, r7, #16 80fc0: 4618 mov r0, r3 80fc2: 4b36 ldr r3, [pc, #216] ; (8109c ) 80fc4: 4798 blx r3 xEntryTimeSet = pdTRUE; 80fc6: 2301 movs r3, #1 80fc8: 62fb str r3, [r7, #44] ; 0x2c /* Entry time was already set. */ mtCOVERAGE_TEST_MARKER(); } } } taskEXIT_CRITICAL(); 80fca: 4b33 ldr r3, [pc, #204] ; (81098 ) 80fcc: 4798 blx r3 /* Interrupts and other tasks can send to and receive from the queue now the critical section has been exited. */ vTaskSuspendAll(); 80fce: 4b34 ldr r3, [pc, #208] ; (810a0 ) 80fd0: 4798 blx r3 prvLockQueue( pxQueue ); 80fd2: 4b2d ldr r3, [pc, #180] ; (81088 ) 80fd4: 4798 blx r3 80fd6: 6abb ldr r3, [r7, #40] ; 0x28 80fd8: f893 3044 ldrb.w r3, [r3, #68] ; 0x44 80fdc: b25b sxtb r3, r3 80fde: f1b3 3fff cmp.w r3, #4294967295 80fe2: d103 bne.n 80fec 80fe4: 6abb ldr r3, [r7, #40] ; 0x28 80fe6: 2200 movs r2, #0 80fe8: f883 2044 strb.w r2, [r3, #68] ; 0x44 80fec: 6abb ldr r3, [r7, #40] ; 0x28 80fee: f893 3045 ldrb.w r3, [r3, #69] ; 0x45 80ff2: b25b sxtb r3, r3 80ff4: f1b3 3fff cmp.w r3, #4294967295 80ff8: d103 bne.n 81002 80ffa: 6abb ldr r3, [r7, #40] ; 0x28 80ffc: 2200 movs r2, #0 80ffe: f883 2045 strb.w r2, [r3, #69] ; 0x45 81002: 4b25 ldr r3, [pc, #148] ; (81098 ) 81004: 4798 blx r3 /* Update the timeout state to see if it has expired yet. */ if( xTaskCheckForTimeOut( &xTimeOut, &xTicksToWait ) == pdFALSE ) 81006: 1d3a adds r2, r7, #4 81008: f107 0310 add.w r3, r7, #16 8100c: 4611 mov r1, r2 8100e: 4618 mov r0, r3 81010: 4b24 ldr r3, [pc, #144] ; (810a4 ) 81012: 4798 blx r3 81014: 4603 mov r3, r0 81016: 2b00 cmp r3, #0 81018: d123 bne.n 81062 { /* The timeout has not expired. If the queue is still empty place the task on the list of tasks waiting to receive from the queue. */ if( prvIsQueueEmpty( pxQueue ) != pdFALSE ) 8101a: 6ab8 ldr r0, [r7, #40] ; 0x28 8101c: 4b22 ldr r3, [pc, #136] ; (810a8 ) 8101e: 4798 blx r3 81020: 4603 mov r3, r0 81022: 2b00 cmp r3, #0 81024: d017 beq.n 81056 { traceBLOCKING_ON_QUEUE_RECEIVE( pxQueue ); vTaskPlaceOnEventList( &( pxQueue->xTasksWaitingToReceive ), xTicksToWait ); 81026: 6abb ldr r3, [r7, #40] ; 0x28 81028: 3324 adds r3, #36 ; 0x24 8102a: 687a ldr r2, [r7, #4] 8102c: 4611 mov r1, r2 8102e: 4618 mov r0, r3 81030: 4b1e ldr r3, [pc, #120] ; (810ac ) 81032: 4798 blx r3 prvUnlockQueue( pxQueue ); 81034: 6ab8 ldr r0, [r7, #40] ; 0x28 81036: 4b1e ldr r3, [pc, #120] ; (810b0 ) 81038: 4798 blx r3 if( xTaskResumeAll() == pdFALSE ) 8103a: 4b1e ldr r3, [pc, #120] ; (810b4 ) 8103c: 4798 blx r3 8103e: 4603 mov r3, r0 81040: 2b00 cmp r3, #0 81042: d189 bne.n 80f58 { portYIELD_WITHIN_API(); 81044: 4b13 ldr r3, [pc, #76] ; (81094 ) 81046: f04f 5280 mov.w r2, #268435456 ; 0x10000000 8104a: 601a str r2, [r3, #0] 8104c: f3bf 8f4f dsb sy 81050: f3bf 8f6f isb sy 81054: e780 b.n 80f58 } else { /* The queue contains data again. Loop back to try and read the data. */ prvUnlockQueue( pxQueue ); 81056: 6ab8 ldr r0, [r7, #40] ; 0x28 81058: 4b15 ldr r3, [pc, #84] ; (810b0 ) 8105a: 4798 blx r3 ( void ) xTaskResumeAll(); 8105c: 4b15 ldr r3, [pc, #84] ; (810b4 ) 8105e: 4798 blx r3 81060: e77a b.n 80f58 } else { /* Timed out. If there is no data in the queue exit, otherwise loop back and attempt to read the data. */ prvUnlockQueue( pxQueue ); 81062: 6ab8 ldr r0, [r7, #40] ; 0x28 81064: 4b12 ldr r3, [pc, #72] ; (810b0 ) 81066: 4798 blx r3 ( void ) xTaskResumeAll(); 81068: 4b12 ldr r3, [pc, #72] ; (810b4 ) 8106a: 4798 blx r3 if( prvIsQueueEmpty( pxQueue ) != pdFALSE ) 8106c: 6ab8 ldr r0, [r7, #40] ; 0x28 8106e: 4b0e ldr r3, [pc, #56] ; (810a8 ) 81070: 4798 blx r3 81072: 4603 mov r3, r0 81074: 2b00 cmp r3, #0 81076: f43f af6f beq.w 80f58 { traceQUEUE_RECEIVE_FAILED( pxQueue ); return errQUEUE_EMPTY; 8107a: 2300 movs r3, #0 { mtCOVERAGE_TEST_MARKER(); } } } /*lint -restore */ } 8107c: 4618 mov r0, r3 8107e: 3730 adds r7, #48 ; 0x30 81080: 46bd mov sp, r7 81082: bd80 pop {r7, pc} 81084: 00081f35 .word 0x00081f35 81088: 000807e9 .word 0x000807e9 8108c: 000811d9 .word 0x000811d9 81090: 00081bcd .word 0x00081bcd 81094: e000ed04 .word 0xe000ed04 81098: 00080845 .word 0x00080845 8109c: 00081c99 .word 0x00081c99 810a0: 00081705 .word 0x00081705 810a4: 00081cc5 .word 0x00081cc5 810a8: 000812dd .word 0x000812dd 810ac: 00081b21 .word 0x00081b21 810b0: 00081229 .word 0x00081229 810b4: 00081721 .word 0x00081721 000810b8 : return xReturn; } /*-----------------------------------------------------------*/ UBaseType_t uxQueueMessagesWaiting( const QueueHandle_t xQueue ) { 810b8: b580 push {r7, lr} 810ba: b084 sub sp, #16 810bc: af00 add r7, sp, #0 810be: 6078 str r0, [r7, #4] UBaseType_t uxReturn; configASSERT( xQueue ); 810c0: 687b ldr r3, [r7, #4] 810c2: 2b00 cmp r3, #0 810c4: d109 bne.n 810da 810c6: f04f 03a0 mov.w r3, #160 ; 0xa0 810ca: f383 8811 msr BASEPRI, r3 810ce: f3bf 8f6f isb sy 810d2: f3bf 8f4f dsb sy 810d6: 60bb str r3, [r7, #8] 810d8: e7fe b.n 810d8 taskENTER_CRITICAL(); 810da: 4b06 ldr r3, [pc, #24] ; (810f4 ) 810dc: 4798 blx r3 { uxReturn = ( ( Queue_t * ) xQueue )->uxMessagesWaiting; 810de: 687b ldr r3, [r7, #4] 810e0: 6b9b ldr r3, [r3, #56] ; 0x38 810e2: 60fb str r3, [r7, #12] } taskEXIT_CRITICAL(); 810e4: 4b04 ldr r3, [pc, #16] ; (810f8 ) 810e6: 4798 blx r3 return uxReturn; 810e8: 68fb ldr r3, [r7, #12] } /*lint !e818 Pointer cannot be declared const as xQueue is a typedef not pointer. */ 810ea: 4618 mov r0, r3 810ec: 3710 adds r7, #16 810ee: 46bd mov sp, r7 810f0: bd80 pop {r7, pc} 810f2: bf00 nop 810f4: 000807e9 .word 0x000807e9 810f8: 00080845 .word 0x00080845 000810fc : #endif /* configUSE_MUTEXES */ /*-----------------------------------------------------------*/ static BaseType_t prvCopyDataToQueue( Queue_t * const pxQueue, const void *pvItemToQueue, const BaseType_t xPosition ) { 810fc: b580 push {r7, lr} 810fe: b086 sub sp, #24 81100: af00 add r7, sp, #0 81102: 60f8 str r0, [r7, #12] 81104: 60b9 str r1, [r7, #8] 81106: 607a str r2, [r7, #4] BaseType_t xReturn = pdFALSE; 81108: 2300 movs r3, #0 8110a: 617b str r3, [r7, #20] UBaseType_t uxMessagesWaiting; /* This function is called from a critical section. */ uxMessagesWaiting = pxQueue->uxMessagesWaiting; 8110c: 68fb ldr r3, [r7, #12] 8110e: 6b9b ldr r3, [r3, #56] ; 0x38 81110: 613b str r3, [r7, #16] if( pxQueue->uxItemSize == ( UBaseType_t ) 0 ) 81112: 68fb ldr r3, [r7, #12] 81114: 6c1b ldr r3, [r3, #64] ; 0x40 81116: 2b00 cmp r3, #0 81118: d10d bne.n 81136 { #if ( configUSE_MUTEXES == 1 ) { if( pxQueue->uxQueueType == queueQUEUE_IS_MUTEX ) 8111a: 68fb ldr r3, [r7, #12] 8111c: 681b ldr r3, [r3, #0] 8111e: 2b00 cmp r3, #0 81120: d14d bne.n 811be { /* The mutex is no longer being held. */ xReturn = xTaskPriorityDisinherit( pxQueue->u.xSemaphore.xMutexHolder ); 81122: 68fb ldr r3, [r7, #12] 81124: 689b ldr r3, [r3, #8] 81126: 4618 mov r0, r3 81128: 4b29 ldr r3, [pc, #164] ; (811d0 ) 8112a: 4798 blx r3 8112c: 6178 str r0, [r7, #20] pxQueue->u.xSemaphore.xMutexHolder = NULL; 8112e: 68fb ldr r3, [r7, #12] 81130: 2200 movs r2, #0 81132: 609a str r2, [r3, #8] 81134: e043 b.n 811be mtCOVERAGE_TEST_MARKER(); } } #endif /* configUSE_MUTEXES */ } else if( xPosition == queueSEND_TO_BACK ) 81136: 687b ldr r3, [r7, #4] 81138: 2b00 cmp r3, #0 8113a: d119 bne.n 81170 { ( void ) memcpy( ( void * ) pxQueue->pcWriteTo, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports, plus previous logic ensures a null pointer can only be passed to memcpy() if the copy size is 0. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. */ 8113c: 68fb ldr r3, [r7, #12] 8113e: 6858 ldr r0, [r3, #4] 81140: 68fb ldr r3, [r7, #12] 81142: 6c1b ldr r3, [r3, #64] ; 0x40 81144: 461a mov r2, r3 81146: 68b9 ldr r1, [r7, #8] 81148: 4b22 ldr r3, [pc, #136] ; (811d4 ) 8114a: 4798 blx r3 pxQueue->pcWriteTo += pxQueue->uxItemSize; /*lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. */ 8114c: 68fb ldr r3, [r7, #12] 8114e: 685a ldr r2, [r3, #4] 81150: 68fb ldr r3, [r7, #12] 81152: 6c1b ldr r3, [r3, #64] ; 0x40 81154: 441a add r2, r3 81156: 68fb ldr r3, [r7, #12] 81158: 605a str r2, [r3, #4] if( pxQueue->pcWriteTo >= pxQueue->u.xQueue.pcTail ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */ 8115a: 68fb ldr r3, [r7, #12] 8115c: 685a ldr r2, [r3, #4] 8115e: 68fb ldr r3, [r7, #12] 81160: 689b ldr r3, [r3, #8] 81162: 429a cmp r2, r3 81164: d32b bcc.n 811be { pxQueue->pcWriteTo = pxQueue->pcHead; 81166: 68fb ldr r3, [r7, #12] 81168: 681a ldr r2, [r3, #0] 8116a: 68fb ldr r3, [r7, #12] 8116c: 605a str r2, [r3, #4] 8116e: e026 b.n 811be mtCOVERAGE_TEST_MARKER(); } } else { ( void ) memcpy( ( void * ) pxQueue->u.xQueue.pcReadFrom, pvItemToQueue, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e9087 !e418 MISRA exception as the casts are only redundant for some ports. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. Assert checks null pointer only used when length is 0. */ 81170: 68fb ldr r3, [r7, #12] 81172: 68d8 ldr r0, [r3, #12] 81174: 68fb ldr r3, [r7, #12] 81176: 6c1b ldr r3, [r3, #64] ; 0x40 81178: 461a mov r2, r3 8117a: 68b9 ldr r1, [r7, #8] 8117c: 4b15 ldr r3, [pc, #84] ; (811d4 ) 8117e: 4798 blx r3 pxQueue->u.xQueue.pcReadFrom -= pxQueue->uxItemSize; 81180: 68fb ldr r3, [r7, #12] 81182: 68da ldr r2, [r3, #12] 81184: 68fb ldr r3, [r7, #12] 81186: 6c1b ldr r3, [r3, #64] ; 0x40 81188: 425b negs r3, r3 8118a: 441a add r2, r3 8118c: 68fb ldr r3, [r7, #12] 8118e: 60da str r2, [r3, #12] if( pxQueue->u.xQueue.pcReadFrom < pxQueue->pcHead ) /*lint !e946 MISRA exception justified as comparison of pointers is the cleanest solution. */ 81190: 68fb ldr r3, [r7, #12] 81192: 68da ldr r2, [r3, #12] 81194: 68fb ldr r3, [r7, #12] 81196: 681b ldr r3, [r3, #0] 81198: 429a cmp r2, r3 8119a: d207 bcs.n 811ac { pxQueue->u.xQueue.pcReadFrom = ( pxQueue->u.xQueue.pcTail - pxQueue->uxItemSize ); 8119c: 68fb ldr r3, [r7, #12] 8119e: 689a ldr r2, [r3, #8] 811a0: 68fb ldr r3, [r7, #12] 811a2: 6c1b ldr r3, [r3, #64] ; 0x40 811a4: 425b negs r3, r3 811a6: 441a add r2, r3 811a8: 68fb ldr r3, [r7, #12] 811aa: 60da str r2, [r3, #12] else { mtCOVERAGE_TEST_MARKER(); } if( xPosition == queueOVERWRITE ) 811ac: 687b ldr r3, [r7, #4] 811ae: 2b02 cmp r3, #2 811b0: d105 bne.n 811be { if( uxMessagesWaiting > ( UBaseType_t ) 0 ) 811b2: 693b ldr r3, [r7, #16] 811b4: 2b00 cmp r3, #0 811b6: d002 beq.n 811be { /* An item is not being added but overwritten, so subtract one from the recorded number of items in the queue so when one is added again below the number of recorded items remains correct. */ --uxMessagesWaiting; 811b8: 693b ldr r3, [r7, #16] 811ba: 3b01 subs r3, #1 811bc: 613b str r3, [r7, #16] { mtCOVERAGE_TEST_MARKER(); } } pxQueue->uxMessagesWaiting = uxMessagesWaiting + ( UBaseType_t ) 1; 811be: 693b ldr r3, [r7, #16] 811c0: 1c5a adds r2, r3, #1 811c2: 68fb ldr r3, [r7, #12] 811c4: 639a str r2, [r3, #56] ; 0x38 return xReturn; 811c6: 697b ldr r3, [r7, #20] } 811c8: 4618 mov r0, r3 811ca: 3718 adds r7, #24 811cc: 46bd mov sp, r7 811ce: bd80 pop {r7, pc} 811d0: 00081f71 .word 0x00081f71 811d4: 00082829 .word 0x00082829 000811d8 : /*-----------------------------------------------------------*/ static void prvCopyDataFromQueue( Queue_t * const pxQueue, void * const pvBuffer ) { 811d8: b580 push {r7, lr} 811da: b082 sub sp, #8 811dc: af00 add r7, sp, #0 811de: 6078 str r0, [r7, #4] 811e0: 6039 str r1, [r7, #0] if( pxQueue->uxItemSize != ( UBaseType_t ) 0 ) 811e2: 687b ldr r3, [r7, #4] 811e4: 6c1b ldr r3, [r3, #64] ; 0x40 811e6: 2b00 cmp r3, #0 811e8: d018 beq.n 8121c { pxQueue->u.xQueue.pcReadFrom += pxQueue->uxItemSize; /*lint !e9016 Pointer arithmetic on char types ok, especially in this use case where it is the clearest way of conveying intent. */ 811ea: 687b ldr r3, [r7, #4] 811ec: 68da ldr r2, [r3, #12] 811ee: 687b ldr r3, [r7, #4] 811f0: 6c1b ldr r3, [r3, #64] ; 0x40 811f2: 441a add r2, r3 811f4: 687b ldr r3, [r7, #4] 811f6: 60da str r2, [r3, #12] if( pxQueue->u.xQueue.pcReadFrom >= pxQueue->u.xQueue.pcTail ) /*lint !e946 MISRA exception justified as use of the relational operator is the cleanest solutions. */ 811f8: 687b ldr r3, [r7, #4] 811fa: 68da ldr r2, [r3, #12] 811fc: 687b ldr r3, [r7, #4] 811fe: 689b ldr r3, [r3, #8] 81200: 429a cmp r2, r3 81202: d303 bcc.n 8120c { pxQueue->u.xQueue.pcReadFrom = pxQueue->pcHead; 81204: 687b ldr r3, [r7, #4] 81206: 681a ldr r2, [r3, #0] 81208: 687b ldr r3, [r7, #4] 8120a: 60da str r2, [r3, #12] } else { mtCOVERAGE_TEST_MARKER(); } ( void ) memcpy( ( void * ) pvBuffer, ( void * ) pxQueue->u.xQueue.pcReadFrom, ( size_t ) pxQueue->uxItemSize ); /*lint !e961 !e418 !e9087 MISRA exception as the casts are only redundant for some ports. Also previous logic ensures a null pointer can only be passed to memcpy() when the count is 0. Cast to void required by function signature and safe as no alignment requirement and copy length specified in bytes. */ 8120c: 687b ldr r3, [r7, #4] 8120e: 68d9 ldr r1, [r3, #12] 81210: 687b ldr r3, [r7, #4] 81212: 6c1b ldr r3, [r3, #64] ; 0x40 81214: 461a mov r2, r3 81216: 6838 ldr r0, [r7, #0] 81218: 4b02 ldr r3, [pc, #8] ; (81224 ) 8121a: 4798 blx r3 } } 8121c: bf00 nop 8121e: 3708 adds r7, #8 81220: 46bd mov sp, r7 81222: bd80 pop {r7, pc} 81224: 00082829 .word 0x00082829 00081228 : /*-----------------------------------------------------------*/ static void prvUnlockQueue( Queue_t * const pxQueue ) { 81228: b580 push {r7, lr} 8122a: b084 sub sp, #16 8122c: af00 add r7, sp, #0 8122e: 6078 str r0, [r7, #4] /* The lock counts contains the number of extra data items placed or removed from the queue while the queue was locked. When a queue is locked items can be added or removed, but the event lists cannot be updated. */ taskENTER_CRITICAL(); 81230: 4b26 ldr r3, [pc, #152] ; (812cc ) 81232: 4798 blx r3 { int8_t cTxLock = pxQueue->cTxLock; 81234: 687b ldr r3, [r7, #4] 81236: f893 3045 ldrb.w r3, [r3, #69] ; 0x45 8123a: 73fb strb r3, [r7, #15] /* See if data was added to the queue while it was locked. */ while( cTxLock > queueLOCKED_UNMODIFIED ) 8123c: e011 b.n 81262 } #else /* configUSE_QUEUE_SETS */ { /* Tasks that are removed from the event list will get added to the pending ready list as the scheduler is still suspended. */ if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToReceive ) ) == pdFALSE ) 8123e: 687b ldr r3, [r7, #4] 81240: 6a5b ldr r3, [r3, #36] ; 0x24 81242: 2b00 cmp r3, #0 81244: d012 beq.n 8126c { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToReceive ) ) != pdFALSE ) 81246: 687b ldr r3, [r7, #4] 81248: 3324 adds r3, #36 ; 0x24 8124a: 4618 mov r0, r3 8124c: 4b20 ldr r3, [pc, #128] ; (812d0 ) 8124e: 4798 blx r3 81250: 4603 mov r3, r0 81252: 2b00 cmp r3, #0 81254: d001 beq.n 8125a { /* The task waiting has a higher priority so record that a context switch is required. */ vTaskMissedYield(); 81256: 4b1f ldr r3, [pc, #124] ; (812d4 ) 81258: 4798 blx r3 break; } } #endif /* configUSE_QUEUE_SETS */ --cTxLock; 8125a: 7bfb ldrb r3, [r7, #15] 8125c: 3b01 subs r3, #1 8125e: b2db uxtb r3, r3 81260: 73fb strb r3, [r7, #15] while( cTxLock > queueLOCKED_UNMODIFIED ) 81262: f997 300f ldrsb.w r3, [r7, #15] 81266: 2b00 cmp r3, #0 81268: dce9 bgt.n 8123e 8126a: e000 b.n 8126e break; 8126c: bf00 nop } pxQueue->cTxLock = queueUNLOCKED; 8126e: 687b ldr r3, [r7, #4] 81270: 22ff movs r2, #255 ; 0xff 81272: f883 2045 strb.w r2, [r3, #69] ; 0x45 } taskEXIT_CRITICAL(); 81276: 4b18 ldr r3, [pc, #96] ; (812d8 ) 81278: 4798 blx r3 /* Do the same for the Rx lock. */ taskENTER_CRITICAL(); 8127a: 4b14 ldr r3, [pc, #80] ; (812cc ) 8127c: 4798 blx r3 { int8_t cRxLock = pxQueue->cRxLock; 8127e: 687b ldr r3, [r7, #4] 81280: f893 3044 ldrb.w r3, [r3, #68] ; 0x44 81284: 73bb strb r3, [r7, #14] while( cRxLock > queueLOCKED_UNMODIFIED ) 81286: e011 b.n 812ac { if( listLIST_IS_EMPTY( &( pxQueue->xTasksWaitingToSend ) ) == pdFALSE ) 81288: 687b ldr r3, [r7, #4] 8128a: 691b ldr r3, [r3, #16] 8128c: 2b00 cmp r3, #0 8128e: d012 beq.n 812b6 { if( xTaskRemoveFromEventList( &( pxQueue->xTasksWaitingToSend ) ) != pdFALSE ) 81290: 687b ldr r3, [r7, #4] 81292: 3310 adds r3, #16 81294: 4618 mov r0, r3 81296: 4b0e ldr r3, [pc, #56] ; (812d0 ) 81298: 4798 blx r3 8129a: 4603 mov r3, r0 8129c: 2b00 cmp r3, #0 8129e: d001 beq.n 812a4 { vTaskMissedYield(); 812a0: 4b0c ldr r3, [pc, #48] ; (812d4 ) 812a2: 4798 blx r3 else { mtCOVERAGE_TEST_MARKER(); } --cRxLock; 812a4: 7bbb ldrb r3, [r7, #14] 812a6: 3b01 subs r3, #1 812a8: b2db uxtb r3, r3 812aa: 73bb strb r3, [r7, #14] while( cRxLock > queueLOCKED_UNMODIFIED ) 812ac: f997 300e ldrsb.w r3, [r7, #14] 812b0: 2b00 cmp r3, #0 812b2: dce9 bgt.n 81288 812b4: e000 b.n 812b8 } else { break; 812b6: bf00 nop } } pxQueue->cRxLock = queueUNLOCKED; 812b8: 687b ldr r3, [r7, #4] 812ba: 22ff movs r2, #255 ; 0xff 812bc: f883 2044 strb.w r2, [r3, #68] ; 0x44 } taskEXIT_CRITICAL(); 812c0: 4b05 ldr r3, [pc, #20] ; (812d8 ) 812c2: 4798 blx r3 } 812c4: bf00 nop 812c6: 3710 adds r7, #16 812c8: 46bd mov sp, r7 812ca: bd80 pop {r7, pc} 812cc: 000807e9 .word 0x000807e9 812d0: 00081bcd .word 0x00081bcd 812d4: 00081d91 .word 0x00081d91 812d8: 00080845 .word 0x00080845 000812dc : /*-----------------------------------------------------------*/ static BaseType_t prvIsQueueEmpty( const Queue_t *pxQueue ) { 812dc: b580 push {r7, lr} 812de: b084 sub sp, #16 812e0: af00 add r7, sp, #0 812e2: 6078 str r0, [r7, #4] BaseType_t xReturn; taskENTER_CRITICAL(); 812e4: 4b08 ldr r3, [pc, #32] ; (81308 ) 812e6: 4798 blx r3 { if( pxQueue->uxMessagesWaiting == ( UBaseType_t ) 0 ) 812e8: 687b ldr r3, [r7, #4] 812ea: 6b9b ldr r3, [r3, #56] ; 0x38 812ec: 2b00 cmp r3, #0 812ee: d102 bne.n 812f6 { xReturn = pdTRUE; 812f0: 2301 movs r3, #1 812f2: 60fb str r3, [r7, #12] 812f4: e001 b.n 812fa } else { xReturn = pdFALSE; 812f6: 2300 movs r3, #0 812f8: 60fb str r3, [r7, #12] } } taskEXIT_CRITICAL(); 812fa: 4b04 ldr r3, [pc, #16] ; (8130c ) 812fc: 4798 blx r3 return xReturn; 812fe: 68fb ldr r3, [r7, #12] } 81300: 4618 mov r0, r3 81302: 3710 adds r7, #16 81304: 46bd mov sp, r7 81306: bd80 pop {r7, pc} 81308: 000807e9 .word 0x000807e9 8130c: 00080845 .word 0x00080845 00081310 : return xReturn; } /*lint !e818 xQueue could not be pointer to const because it is a typedef. */ /*-----------------------------------------------------------*/ static BaseType_t prvIsQueueFull( const Queue_t *pxQueue ) { 81310: b580 push {r7, lr} 81312: b084 sub sp, #16 81314: af00 add r7, sp, #0 81316: 6078 str r0, [r7, #4] BaseType_t xReturn; taskENTER_CRITICAL(); 81318: 4b09 ldr r3, [pc, #36] ; (81340 ) 8131a: 4798 blx r3 { if( pxQueue->uxMessagesWaiting == pxQueue->uxLength ) 8131c: 687b ldr r3, [r7, #4] 8131e: 6b9a ldr r2, [r3, #56] ; 0x38 81320: 687b ldr r3, [r7, #4] 81322: 6bdb ldr r3, [r3, #60] ; 0x3c 81324: 429a cmp r2, r3 81326: d102 bne.n 8132e { xReturn = pdTRUE; 81328: 2301 movs r3, #1 8132a: 60fb str r3, [r7, #12] 8132c: e001 b.n 81332 } else { xReturn = pdFALSE; 8132e: 2300 movs r3, #0 81330: 60fb str r3, [r7, #12] } } taskEXIT_CRITICAL(); 81332: 4b04 ldr r3, [pc, #16] ; (81344 ) 81334: 4798 blx r3 return xReturn; 81336: 68fb ldr r3, [r7, #12] } 81338: 4618 mov r0, r3 8133a: 3710 adds r7, #16 8133c: 46bd mov sp, r7 8133e: bd80 pop {r7, pc} 81340: 000807e9 .word 0x000807e9 81344: 00080845 .word 0x00080845 00081348 : /*-----------------------------------------------------------*/ #if ( configUSE_TIMERS == 1 ) void vQueueWaitForMessageRestricted( QueueHandle_t xQueue, TickType_t xTicksToWait, const BaseType_t xWaitIndefinitely ) { 81348: b580 push {r7, lr} 8134a: b086 sub sp, #24 8134c: af00 add r7, sp, #0 8134e: 60f8 str r0, [r7, #12] 81350: 60b9 str r1, [r7, #8] 81352: 607a str r2, [r7, #4] Queue_t * const pxQueue = xQueue; 81354: 68fb ldr r3, [r7, #12] 81356: 617b str r3, [r7, #20] will not actually cause the task to block, just place it on a blocked list. It will not block until the scheduler is unlocked - at which time a yield will be performed. If an item is added to the queue while the queue is locked, and the calling task blocks on the queue, then the calling task will be immediately unblocked when the queue is unlocked. */ prvLockQueue( pxQueue ); 81358: 4b15 ldr r3, [pc, #84] ; (813b0 ) 8135a: 4798 blx r3 8135c: 697b ldr r3, [r7, #20] 8135e: f893 3044 ldrb.w r3, [r3, #68] ; 0x44 81362: b25b sxtb r3, r3 81364: f1b3 3fff cmp.w r3, #4294967295 81368: d103 bne.n 81372 8136a: 697b ldr r3, [r7, #20] 8136c: 2200 movs r2, #0 8136e: f883 2044 strb.w r2, [r3, #68] ; 0x44 81372: 697b ldr r3, [r7, #20] 81374: f893 3045 ldrb.w r3, [r3, #69] ; 0x45 81378: b25b sxtb r3, r3 8137a: f1b3 3fff cmp.w r3, #4294967295 8137e: d103 bne.n 81388 81380: 697b ldr r3, [r7, #20] 81382: 2200 movs r2, #0 81384: f883 2045 strb.w r2, [r3, #69] ; 0x45 81388: 4b0a ldr r3, [pc, #40] ; (813b4 ) 8138a: 4798 blx r3 if( pxQueue->uxMessagesWaiting == ( UBaseType_t ) 0U ) 8138c: 697b ldr r3, [r7, #20] 8138e: 6b9b ldr r3, [r3, #56] ; 0x38 81390: 2b00 cmp r3, #0 81392: d106 bne.n 813a2 { /* There is nothing in the queue, block for the specified period. */ vTaskPlaceOnEventListRestricted( &( pxQueue->xTasksWaitingToReceive ), xTicksToWait, xWaitIndefinitely ); 81394: 697b ldr r3, [r7, #20] 81396: 3324 adds r3, #36 ; 0x24 81398: 687a ldr r2, [r7, #4] 8139a: 68b9 ldr r1, [r7, #8] 8139c: 4618 mov r0, r3 8139e: 4b06 ldr r3, [pc, #24] ; (813b8 ) 813a0: 4798 blx r3 } else { mtCOVERAGE_TEST_MARKER(); } prvUnlockQueue( pxQueue ); 813a2: 6978 ldr r0, [r7, #20] 813a4: 4b05 ldr r3, [pc, #20] ; (813bc ) 813a6: 4798 blx r3 } 813a8: bf00 nop 813aa: 3718 adds r7, #24 813ac: 46bd mov sp, r7 813ae: bd80 pop {r7, pc} 813b0: 000807e9 .word 0x000807e9 813b4: 00080845 .word 0x00080845 813b8: 00081b71 .word 0x00081b71 813bc: 00081229 .word 0x00081229 000813c0 : const char * const pcName, /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ const configSTACK_DEPTH_TYPE usStackDepth, void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask ) { 813c0: b590 push {r4, r7, lr} 813c2: b08d sub sp, #52 ; 0x34 813c4: af04 add r7, sp, #16 813c6: 60f8 str r0, [r7, #12] 813c8: 60b9 str r1, [r7, #8] 813ca: 603b str r3, [r7, #0] 813cc: 4613 mov r3, r2 813ce: 80fb strh r3, [r7, #6] #else /* portSTACK_GROWTH */ { StackType_t *pxStack; /* Allocate space for the stack used by the task being created. */ pxStack = pvPortMalloc( ( ( ( size_t ) usStackDepth ) * sizeof( StackType_t ) ) ); /*lint !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack and this allocation is the stack. */ 813d0: 88fb ldrh r3, [r7, #6] 813d2: 009b lsls r3, r3, #2 813d4: 4618 mov r0, r3 813d6: 4b1b ldr r3, [pc, #108] ; (81444 ) 813d8: 4798 blx r3 813da: 6178 str r0, [r7, #20] if( pxStack != NULL ) 813dc: 697b ldr r3, [r7, #20] 813de: 2b00 cmp r3, #0 813e0: d00e beq.n 81400 { /* Allocate space for the TCB. */ pxNewTCB = ( TCB_t * ) pvPortMalloc( sizeof( TCB_t ) ); /*lint !e9087 !e9079 All values returned by pvPortMalloc() have at least the alignment required by the MCU's stack, and the first member of TCB_t is always a pointer to the task's stack. */ 813e2: 2050 movs r0, #80 ; 0x50 813e4: 4b17 ldr r3, [pc, #92] ; (81444 ) 813e6: 4798 blx r3 813e8: 61f8 str r0, [r7, #28] if( pxNewTCB != NULL ) 813ea: 69fb ldr r3, [r7, #28] 813ec: 2b00 cmp r3, #0 813ee: d003 beq.n 813f8 { /* Store the stack location in the TCB. */ pxNewTCB->pxStack = pxStack; 813f0: 69fb ldr r3, [r7, #28] 813f2: 697a ldr r2, [r7, #20] 813f4: 631a str r2, [r3, #48] ; 0x30 813f6: e005 b.n 81404 } else { /* The stack cannot be used as the TCB was not created. Free it again. */ vPortFree( pxStack ); 813f8: 6978 ldr r0, [r7, #20] 813fa: 4b13 ldr r3, [pc, #76] ; (81448 ) 813fc: 4798 blx r3 813fe: e001 b.n 81404 } } else { pxNewTCB = NULL; 81400: 2300 movs r3, #0 81402: 61fb str r3, [r7, #28] } } #endif /* portSTACK_GROWTH */ if( pxNewTCB != NULL ) 81404: 69fb ldr r3, [r7, #28] 81406: 2b00 cmp r3, #0 81408: d013 beq.n 81432 task was created dynamically in case it is later deleted. */ pxNewTCB->ucStaticallyAllocated = tskDYNAMICALLY_ALLOCATED_STACK_AND_TCB; } #endif /* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE */ prvInitialiseNewTask( pxTaskCode, pcName, ( uint32_t ) usStackDepth, pvParameters, uxPriority, pxCreatedTask, pxNewTCB, NULL ); 8140a: 88fa ldrh r2, [r7, #6] 8140c: 2300 movs r3, #0 8140e: 9303 str r3, [sp, #12] 81410: 69fb ldr r3, [r7, #28] 81412: 9302 str r3, [sp, #8] 81414: 6b7b ldr r3, [r7, #52] ; 0x34 81416: 9301 str r3, [sp, #4] 81418: 6b3b ldr r3, [r7, #48] ; 0x30 8141a: 9300 str r3, [sp, #0] 8141c: 683b ldr r3, [r7, #0] 8141e: 68b9 ldr r1, [r7, #8] 81420: 68f8 ldr r0, [r7, #12] 81422: 4c0a ldr r4, [pc, #40] ; (8144c ) 81424: 47a0 blx r4 prvAddNewTaskToReadyList( pxNewTCB ); 81426: 69f8 ldr r0, [r7, #28] 81428: 4b09 ldr r3, [pc, #36] ; (81450 ) 8142a: 4798 blx r3 xReturn = pdPASS; 8142c: 2301 movs r3, #1 8142e: 61bb str r3, [r7, #24] 81430: e002 b.n 81438 } else { xReturn = errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY; 81432: f04f 33ff mov.w r3, #4294967295 81436: 61bb str r3, [r7, #24] } return xReturn; 81438: 69bb ldr r3, [r7, #24] } 8143a: 4618 mov r0, r3 8143c: 3724 adds r7, #36 ; 0x24 8143e: 46bd mov sp, r7 81440: bd90 pop {r4, r7, pc} 81442: bf00 nop 81444: 000801f1 .word 0x000801f1 81448: 00080291 .word 0x00080291 8144c: 00081455 .word 0x00081455 81450: 0008157d .word 0x0008157d 00081454 : void * const pvParameters, UBaseType_t uxPriority, TaskHandle_t * const pxCreatedTask, TCB_t *pxNewTCB, const MemoryRegion_t * const xRegions ) { 81454: b580 push {r7, lr} 81456: b088 sub sp, #32 81458: af00 add r7, sp, #0 8145a: 60f8 str r0, [r7, #12] 8145c: 60b9 str r1, [r7, #8] 8145e: 607a str r2, [r7, #4] 81460: 603b str r3, [r7, #0] /* Avoid dependency on memset() if it is not required. */ #if( tskSET_NEW_STACKS_TO_KNOWN_VALUE == 1 ) { /* Fill the stack with a known value to assist debugging. */ ( void ) memset( pxNewTCB->pxStack, ( int ) tskSTACK_FILL_BYTE, ( size_t ) ulStackDepth * sizeof( StackType_t ) ); 81462: 6b3b ldr r3, [r7, #48] ; 0x30 81464: 6b18 ldr r0, [r3, #48] ; 0x30 81466: 687b ldr r3, [r7, #4] 81468: 009b lsls r3, r3, #2 8146a: 461a mov r2, r3 8146c: 21a5 movs r1, #165 ; 0xa5 8146e: 4b40 ldr r3, [pc, #256] ; (81570 ) 81470: 4798 blx r3 grows from high memory to low (as per the 80x86) or vice versa. portSTACK_GROWTH is used to make the result positive or negative as required by the port. */ #if( portSTACK_GROWTH < 0 ) { pxTopOfStack = &( pxNewTCB->pxStack[ ulStackDepth - ( uint32_t ) 1 ] ); 81472: 6b3b ldr r3, [r7, #48] ; 0x30 81474: 6b1a ldr r2, [r3, #48] ; 0x30 81476: 687b ldr r3, [r7, #4] 81478: f103 4380 add.w r3, r3, #1073741824 ; 0x40000000 8147c: 3b01 subs r3, #1 8147e: 009b lsls r3, r3, #2 81480: 4413 add r3, r2 81482: 61bb str r3, [r7, #24] pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */ 81484: 69bb ldr r3, [r7, #24] 81486: f023 0307 bic.w r3, r3, #7 8148a: 61bb str r3, [r7, #24] /* Check the alignment of the calculated top of stack is correct. */ configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) ); 8148c: 69bb ldr r3, [r7, #24] 8148e: f003 0307 and.w r3, r3, #7 81492: 2b00 cmp r3, #0 81494: d009 beq.n 814aa 81496: f04f 03a0 mov.w r3, #160 ; 0xa0 8149a: f383 8811 msr BASEPRI, r3 8149e: f3bf 8f6f isb sy 814a2: f3bf 8f4f dsb sy 814a6: 617b str r3, [r7, #20] 814a8: e7fe b.n 814a8 pxNewTCB->pxEndOfStack = pxNewTCB->pxStack + ( ulStackDepth - ( uint32_t ) 1 ); } #endif /* portSTACK_GROWTH */ /* Store the task name in the TCB. */ if( pcName != NULL ) 814aa: 68bb ldr r3, [r7, #8] 814ac: 2b00 cmp r3, #0 814ae: d01f beq.n 814f0 { for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ ) 814b0: 2300 movs r3, #0 814b2: 61fb str r3, [r7, #28] 814b4: e012 b.n 814dc { pxNewTCB->pcTaskName[ x ] = pcName[ x ]; 814b6: 68ba ldr r2, [r7, #8] 814b8: 69fb ldr r3, [r7, #28] 814ba: 4413 add r3, r2 814bc: 7819 ldrb r1, [r3, #0] 814be: 6b3a ldr r2, [r7, #48] ; 0x30 814c0: 69fb ldr r3, [r7, #28] 814c2: 4413 add r3, r2 814c4: 3334 adds r3, #52 ; 0x34 814c6: 460a mov r2, r1 814c8: 701a strb r2, [r3, #0] /* Don't copy all configMAX_TASK_NAME_LEN if the string is shorter than configMAX_TASK_NAME_LEN characters just in case the memory after the string is not accessible (extremely unlikely). */ if( pcName[ x ] == ( char ) 0x00 ) 814ca: 68ba ldr r2, [r7, #8] 814cc: 69fb ldr r3, [r7, #28] 814ce: 4413 add r3, r2 814d0: 781b ldrb r3, [r3, #0] 814d2: 2b00 cmp r3, #0 814d4: d006 beq.n 814e4 for( x = ( UBaseType_t ) 0; x < ( UBaseType_t ) configMAX_TASK_NAME_LEN; x++ ) 814d6: 69fb ldr r3, [r7, #28] 814d8: 3301 adds r3, #1 814da: 61fb str r3, [r7, #28] 814dc: 69fb ldr r3, [r7, #28] 814de: 2b09 cmp r3, #9 814e0: d9e9 bls.n 814b6 814e2: e000 b.n 814e6 { break; 814e4: bf00 nop } } /* Ensure the name string is terminated in the case that the string length was greater or equal to configMAX_TASK_NAME_LEN. */ pxNewTCB->pcTaskName[ configMAX_TASK_NAME_LEN - 1 ] = '\0'; 814e6: 6b3b ldr r3, [r7, #48] ; 0x30 814e8: 2200 movs r2, #0 814ea: f883 203d strb.w r2, [r3, #61] ; 0x3d 814ee: e003 b.n 814f8 } else { /* The task has not been given a name, so just ensure there is a NULL terminator when it is read out. */ pxNewTCB->pcTaskName[ 0 ] = 0x00; 814f0: 6b3b ldr r3, [r7, #48] ; 0x30 814f2: 2200 movs r2, #0 814f4: f883 2034 strb.w r2, [r3, #52] ; 0x34 } /* This is used as an array index so must ensure it's not too large. First remove the privilege bit if one is present. */ if( uxPriority >= ( UBaseType_t ) configMAX_PRIORITIES ) 814f8: 6abb ldr r3, [r7, #40] ; 0x28 814fa: 2b04 cmp r3, #4 814fc: d901 bls.n 81502 { uxPriority = ( UBaseType_t ) configMAX_PRIORITIES - ( UBaseType_t ) 1U; 814fe: 2304 movs r3, #4 81500: 62bb str r3, [r7, #40] ; 0x28 else { mtCOVERAGE_TEST_MARKER(); } pxNewTCB->uxPriority = uxPriority; 81502: 6b3b ldr r3, [r7, #48] ; 0x30 81504: 6aba ldr r2, [r7, #40] ; 0x28 81506: 62da str r2, [r3, #44] ; 0x2c #if ( configUSE_MUTEXES == 1 ) { pxNewTCB->uxBasePriority = uxPriority; 81508: 6b3b ldr r3, [r7, #48] ; 0x30 8150a: 6aba ldr r2, [r7, #40] ; 0x28 8150c: 641a str r2, [r3, #64] ; 0x40 pxNewTCB->uxMutexesHeld = 0; 8150e: 6b3b ldr r3, [r7, #48] ; 0x30 81510: 2200 movs r2, #0 81512: 645a str r2, [r3, #68] ; 0x44 } #endif /* configUSE_MUTEXES */ vListInitialiseItem( &( pxNewTCB->xStateListItem ) ); 81514: 6b3b ldr r3, [r7, #48] ; 0x30 81516: 3304 adds r3, #4 81518: 4618 mov r0, r3 8151a: 4b16 ldr r3, [pc, #88] ; (81574 ) 8151c: 4798 blx r3 vListInitialiseItem( &( pxNewTCB->xEventListItem ) ); 8151e: 6b3b ldr r3, [r7, #48] ; 0x30 81520: 3318 adds r3, #24 81522: 4618 mov r0, r3 81524: 4b13 ldr r3, [pc, #76] ; (81574 ) 81526: 4798 blx r3 /* Set the pxNewTCB as a link back from the ListItem_t. This is so we can get back to the containing TCB from a generic item in a list. */ listSET_LIST_ITEM_OWNER( &( pxNewTCB->xStateListItem ), pxNewTCB ); 81528: 6b3b ldr r3, [r7, #48] ; 0x30 8152a: 6b3a ldr r2, [r7, #48] ; 0x30 8152c: 611a str r2, [r3, #16] /* Event lists are always in priority order. */ listSET_LIST_ITEM_VALUE( &( pxNewTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ 8152e: 6abb ldr r3, [r7, #40] ; 0x28 81530: f1c3 0205 rsb r2, r3, #5 81534: 6b3b ldr r3, [r7, #48] ; 0x30 81536: 619a str r2, [r3, #24] listSET_LIST_ITEM_OWNER( &( pxNewTCB->xEventListItem ), pxNewTCB ); 81538: 6b3b ldr r3, [r7, #48] ; 0x30 8153a: 6b3a ldr r2, [r7, #48] ; 0x30 8153c: 625a str r2, [r3, #36] ; 0x24 } #endif #if ( configUSE_TASK_NOTIFICATIONS == 1 ) { pxNewTCB->ulNotifiedValue = 0; 8153e: 6b3b ldr r3, [r7, #48] ; 0x30 81540: 2200 movs r2, #0 81542: 649a str r2, [r3, #72] ; 0x48 pxNewTCB->ucNotifyState = taskNOT_WAITING_NOTIFICATION; 81544: 6b3b ldr r3, [r7, #48] ; 0x30 81546: 2200 movs r2, #0 81548: f883 204c strb.w r2, [r3, #76] ; 0x4c } #endif /* portSTACK_GROWTH */ } #else /* portHAS_STACK_OVERFLOW_CHECKING */ { pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters ); 8154c: 683a ldr r2, [r7, #0] 8154e: 68f9 ldr r1, [r7, #12] 81550: 69b8 ldr r0, [r7, #24] 81552: 4b09 ldr r3, [pc, #36] ; (81578 ) 81554: 4798 blx r3 81556: 4602 mov r2, r0 81558: 6b3b ldr r3, [r7, #48] ; 0x30 8155a: 601a str r2, [r3, #0] } #endif /* portHAS_STACK_OVERFLOW_CHECKING */ } #endif /* portUSING_MPU_WRAPPERS */ if( pxCreatedTask != NULL ) 8155c: 6afb ldr r3, [r7, #44] ; 0x2c 8155e: 2b00 cmp r3, #0 81560: d002 beq.n 81568 { /* Pass the handle out in an anonymous way. The handle can be used to change the created task's priority, delete the created task, etc.*/ *pxCreatedTask = ( TaskHandle_t ) pxNewTCB; 81562: 6afb ldr r3, [r7, #44] ; 0x2c 81564: 6b3a ldr r2, [r7, #48] ; 0x30 81566: 601a str r2, [r3, #0] } else { mtCOVERAGE_TEST_MARKER(); } } 81568: bf00 nop 8156a: 3720 adds r7, #32 8156c: 46bd mov sp, r7 8156e: bd80 pop {r7, pc} 81570: 00082915 .word 0x00082915 81574: 00080317 .word 0x00080317 81578: 00080601 .word 0x00080601 0008157c : /*-----------------------------------------------------------*/ static void prvAddNewTaskToReadyList( TCB_t *pxNewTCB ) { 8157c: b580 push {r7, lr} 8157e: b082 sub sp, #8 81580: af00 add r7, sp, #0 81582: 6078 str r0, [r7, #4] /* Ensure interrupts don't access the task lists while the lists are being updated. */ taskENTER_CRITICAL(); 81584: 4b2b ldr r3, [pc, #172] ; (81634 ) 81586: 4798 blx r3 { uxCurrentNumberOfTasks++; 81588: 4b2b ldr r3, [pc, #172] ; (81638 ) 8158a: 681b ldr r3, [r3, #0] 8158c: 3301 adds r3, #1 8158e: 4a2a ldr r2, [pc, #168] ; (81638 ) 81590: 6013 str r3, [r2, #0] if( pxCurrentTCB == NULL ) 81592: 4b2a ldr r3, [pc, #168] ; (8163c ) 81594: 681b ldr r3, [r3, #0] 81596: 2b00 cmp r3, #0 81598: d109 bne.n 815ae { /* There are no other tasks, or all the other tasks are in the suspended state - make this the current task. */ pxCurrentTCB = pxNewTCB; 8159a: 4a28 ldr r2, [pc, #160] ; (8163c ) 8159c: 687b ldr r3, [r7, #4] 8159e: 6013 str r3, [r2, #0] if( uxCurrentNumberOfTasks == ( UBaseType_t ) 1 ) 815a0: 4b25 ldr r3, [pc, #148] ; (81638 ) 815a2: 681b ldr r3, [r3, #0] 815a4: 2b01 cmp r3, #1 815a6: d110 bne.n 815ca { /* This is the first task to be created so do the preliminary initialisation required. We will not recover if this call fails, but we will report the failure. */ prvInitialiseTaskLists(); 815a8: 4b25 ldr r3, [pc, #148] ; (81640 ) 815aa: 4798 blx r3 815ac: e00d b.n 815ca else { /* If the scheduler is not already running, make this task the current task if it is the highest priority task to be created so far. */ if( xSchedulerRunning == pdFALSE ) 815ae: 4b25 ldr r3, [pc, #148] ; (81644 ) 815b0: 681b ldr r3, [r3, #0] 815b2: 2b00 cmp r3, #0 815b4: d109 bne.n 815ca { if( pxCurrentTCB->uxPriority <= pxNewTCB->uxPriority ) 815b6: 4b21 ldr r3, [pc, #132] ; (8163c ) 815b8: 681b ldr r3, [r3, #0] 815ba: 6ada ldr r2, [r3, #44] ; 0x2c 815bc: 687b ldr r3, [r7, #4] 815be: 6adb ldr r3, [r3, #44] ; 0x2c 815c0: 429a cmp r2, r3 815c2: d802 bhi.n 815ca { pxCurrentTCB = pxNewTCB; 815c4: 4a1d ldr r2, [pc, #116] ; (8163c ) 815c6: 687b ldr r3, [r7, #4] 815c8: 6013 str r3, [r2, #0] { mtCOVERAGE_TEST_MARKER(); } } uxTaskNumber++; 815ca: 4b1f ldr r3, [pc, #124] ; (81648 ) 815cc: 681b ldr r3, [r3, #0] 815ce: 3301 adds r3, #1 815d0: 4a1d ldr r2, [pc, #116] ; (81648 ) 815d2: 6013 str r3, [r2, #0] pxNewTCB->uxTCBNumber = uxTaskNumber; } #endif /* configUSE_TRACE_FACILITY */ traceTASK_CREATE( pxNewTCB ); prvAddTaskToReadyList( pxNewTCB ); 815d4: 687b ldr r3, [r7, #4] 815d6: 6adb ldr r3, [r3, #44] ; 0x2c 815d8: 2201 movs r2, #1 815da: 409a lsls r2, r3 815dc: 4b1b ldr r3, [pc, #108] ; (8164c ) 815de: 681b ldr r3, [r3, #0] 815e0: 4313 orrs r3, r2 815e2: 4a1a ldr r2, [pc, #104] ; (8164c ) 815e4: 6013 str r3, [r2, #0] 815e6: 687b ldr r3, [r7, #4] 815e8: 6ada ldr r2, [r3, #44] ; 0x2c 815ea: 4613 mov r3, r2 815ec: 009b lsls r3, r3, #2 815ee: 4413 add r3, r2 815f0: 009b lsls r3, r3, #2 815f2: 4a17 ldr r2, [pc, #92] ; (81650 ) 815f4: 441a add r2, r3 815f6: 687b ldr r3, [r7, #4] 815f8: 3304 adds r3, #4 815fa: 4619 mov r1, r3 815fc: 4610 mov r0, r2 815fe: 4b15 ldr r3, [pc, #84] ; (81654 ) 81600: 4798 blx r3 portSETUP_TCB( pxNewTCB ); } taskEXIT_CRITICAL(); 81602: 4b15 ldr r3, [pc, #84] ; (81658 ) 81604: 4798 blx r3 if( xSchedulerRunning != pdFALSE ) 81606: 4b0f ldr r3, [pc, #60] ; (81644 ) 81608: 681b ldr r3, [r3, #0] 8160a: 2b00 cmp r3, #0 8160c: d00e beq.n 8162c { /* If the created task is of a higher priority than the current task then it should run now. */ if( pxCurrentTCB->uxPriority < pxNewTCB->uxPriority ) 8160e: 4b0b ldr r3, [pc, #44] ; (8163c ) 81610: 681b ldr r3, [r3, #0] 81612: 6ada ldr r2, [r3, #44] ; 0x2c 81614: 687b ldr r3, [r7, #4] 81616: 6adb ldr r3, [r3, #44] ; 0x2c 81618: 429a cmp r2, r3 8161a: d207 bcs.n 8162c { taskYIELD_IF_USING_PREEMPTION(); 8161c: 4b0f ldr r3, [pc, #60] ; (8165c ) 8161e: f04f 5280 mov.w r2, #268435456 ; 0x10000000 81622: 601a str r2, [r3, #0] 81624: f3bf 8f4f dsb sy 81628: f3bf 8f6f isb sy } else { mtCOVERAGE_TEST_MARKER(); } } 8162c: bf00 nop 8162e: 3708 adds r7, #8 81630: 46bd mov sp, r7 81632: bd80 pop {r7, pc} 81634: 000807e9 .word 0x000807e9 81638: 2000a55c .word 0x2000a55c 8163c: 2000a484 .word 0x2000a484 81640: 00081de5 .word 0x00081de5 81644: 2000a568 .word 0x2000a568 81648: 2000a578 .word 0x2000a578 8164c: 2000a564 .word 0x2000a564 81650: 2000a488 .word 0x2000a488 81654: 0008032f .word 0x0008032f 81658: 00080845 .word 0x00080845 8165c: e000ed04 .word 0xe000ed04 00081660 : #endif /* ( ( INCLUDE_xTaskResumeFromISR == 1 ) && ( INCLUDE_vTaskSuspend == 1 ) ) */ /*-----------------------------------------------------------*/ void vTaskStartScheduler( void ) { 81660: b590 push {r4, r7, lr} 81662: b087 sub sp, #28 81664: af02 add r7, sp, #8 } } #else { /* The Idle task is being created using dynamically allocated RAM. */ xReturn = xTaskCreate( prvIdleTask, 81666: 4b1e ldr r3, [pc, #120] ; (816e0 ) 81668: 9301 str r3, [sp, #4] 8166a: 2300 movs r3, #0 8166c: 9300 str r3, [sp, #0] 8166e: 2300 movs r3, #0 81670: 2282 movs r2, #130 ; 0x82 81672: 491c ldr r1, [pc, #112] ; (816e4 ) 81674: 481c ldr r0, [pc, #112] ; (816e8 ) 81676: 4c1d ldr r4, [pc, #116] ; (816ec ) 81678: 47a0 blx r4 8167a: 60f8 str r0, [r7, #12] } #endif /* configSUPPORT_STATIC_ALLOCATION */ #if ( configUSE_TIMERS == 1 ) { if( xReturn == pdPASS ) 8167c: 68fb ldr r3, [r7, #12] 8167e: 2b01 cmp r3, #1 81680: d102 bne.n 81688 { xReturn = xTimerCreateTimerTask(); 81682: 4b1b ldr r3, [pc, #108] ; (816f0 ) 81684: 4798 blx r3 81686: 60f8 str r0, [r7, #12] mtCOVERAGE_TEST_MARKER(); } } #endif /* configUSE_TIMERS */ if( xReturn == pdPASS ) 81688: 68fb ldr r3, [r7, #12] 8168a: 2b01 cmp r3, #1 8168c: d115 bne.n 816ba 8168e: f04f 03a0 mov.w r3, #160 ; 0xa0 81692: f383 8811 msr BASEPRI, r3 81696: f3bf 8f6f isb sy 8169a: f3bf 8f4f dsb sy 8169e: 60bb str r3, [r7, #8] for additional information. */ _impure_ptr = &( pxCurrentTCB->xNewLib_reent ); } #endif /* configUSE_NEWLIB_REENTRANT */ xNextTaskUnblockTime = portMAX_DELAY; 816a0: 4b14 ldr r3, [pc, #80] ; (816f4 ) 816a2: f04f 32ff mov.w r2, #4294967295 816a6: 601a str r2, [r3, #0] xSchedulerRunning = pdTRUE; 816a8: 4b13 ldr r3, [pc, #76] ; (816f8 ) 816aa: 2201 movs r2, #1 816ac: 601a str r2, [r3, #0] xTickCount = ( TickType_t ) configINITIAL_TICK_COUNT; 816ae: 4b13 ldr r3, [pc, #76] ; (816fc ) 816b0: 2200 movs r2, #0 816b2: 601a str r2, [r3, #0] traceTASK_SWITCHED_IN(); /* Setting up the timer tick is hardware specific and thus in the portable interface. */ if( xPortStartScheduler() != pdFALSE ) 816b4: 4b12 ldr r3, [pc, #72] ; (81700 ) 816b6: 4798 blx r3 } /* Prevent compiler warnings if INCLUDE_xTaskGetIdleTaskHandle is set to 0, meaning xIdleTaskHandle is not used anywhere else. */ ( void ) xIdleTaskHandle; } 816b8: e00d b.n 816d6 configASSERT( xReturn != errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY ); 816ba: 68fb ldr r3, [r7, #12] 816bc: f1b3 3fff cmp.w r3, #4294967295 816c0: d109 bne.n 816d6 816c2: f04f 03a0 mov.w r3, #160 ; 0xa0 816c6: f383 8811 msr BASEPRI, r3 816ca: f3bf 8f6f isb sy 816ce: f3bf 8f4f dsb sy 816d2: 607b str r3, [r7, #4] 816d4: e7fe b.n 816d4 } 816d6: bf00 nop 816d8: 3714 adds r7, #20 816da: 46bd mov sp, r7 816dc: bd90 pop {r4, r7, pc} 816de: bf00 nop 816e0: 2000a580 .word 0x2000a580 816e4: 00082af0 .word 0x00082af0 816e8: 00081da9 .word 0x00081da9 816ec: 000813c1 .word 0x000813c1 816f0: 00082159 .word 0x00082159 816f4: 2000a57c .word 0x2000a57c 816f8: 2000a568 .word 0x2000a568 816fc: 2000a560 .word 0x2000a560 81700: 000806f9 .word 0x000806f9 00081704 : vPortEndScheduler(); } /*----------------------------------------------------------*/ void vTaskSuspendAll( void ) { 81704: b480 push {r7} 81706: af00 add r7, sp, #0 do not otherwise exhibit real time behaviour. */ portSOFTWARE_BARRIER(); /* The scheduler is suspended if uxSchedulerSuspended is non-zero. An increment is used to allow calls to vTaskSuspendAll() to nest. */ ++uxSchedulerSuspended; 81708: 4b04 ldr r3, [pc, #16] ; (8171c ) 8170a: 681b ldr r3, [r3, #0] 8170c: 3301 adds r3, #1 8170e: 4a03 ldr r2, [pc, #12] ; (8171c ) 81710: 6013 str r3, [r2, #0] /* Enforces ordering for ports and optimised compilers that may otherwise place the above increment elsewhere. */ portMEMORY_BARRIER(); } 81712: bf00 nop 81714: 46bd mov sp, r7 81716: bc80 pop {r7} 81718: 4770 bx lr 8171a: bf00 nop 8171c: 2000a584 .word 0x2000a584 00081720 : #endif /* configUSE_TICKLESS_IDLE */ /*----------------------------------------------------------*/ BaseType_t xTaskResumeAll( void ) { 81720: b580 push {r7, lr} 81722: b084 sub sp, #16 81724: af00 add r7, sp, #0 TCB_t *pxTCB = NULL; 81726: 2300 movs r3, #0 81728: 60fb str r3, [r7, #12] BaseType_t xAlreadyYielded = pdFALSE; 8172a: 2300 movs r3, #0 8172c: 60bb str r3, [r7, #8] /* If uxSchedulerSuspended is zero then this function does not match a previous call to vTaskSuspendAll(). */ configASSERT( uxSchedulerSuspended ); 8172e: 4b41 ldr r3, [pc, #260] ; (81834 ) 81730: 681b ldr r3, [r3, #0] 81732: 2b00 cmp r3, #0 81734: d109 bne.n 8174a 81736: f04f 03a0 mov.w r3, #160 ; 0xa0 8173a: f383 8811 msr BASEPRI, r3 8173e: f3bf 8f6f isb sy 81742: f3bf 8f4f dsb sy 81746: 603b str r3, [r7, #0] 81748: e7fe b.n 81748 /* It is possible that an ISR caused a task to be removed from an event list while the scheduler was suspended. If this was the case then the removed task will have been added to the xPendingReadyList. Once the scheduler has been resumed it is safe to move all the pending ready tasks from this list into their appropriate ready list. */ taskENTER_CRITICAL(); 8174a: 4b3b ldr r3, [pc, #236] ; (81838 ) 8174c: 4798 blx r3 { --uxSchedulerSuspended; 8174e: 4b39 ldr r3, [pc, #228] ; (81834 ) 81750: 681b ldr r3, [r3, #0] 81752: 3b01 subs r3, #1 81754: 4a37 ldr r2, [pc, #220] ; (81834 ) 81756: 6013 str r3, [r2, #0] if( uxSchedulerSuspended == ( UBaseType_t ) pdFALSE ) 81758: 4b36 ldr r3, [pc, #216] ; (81834 ) 8175a: 681b ldr r3, [r3, #0] 8175c: 2b00 cmp r3, #0 8175e: d161 bne.n 81824 { if( uxCurrentNumberOfTasks > ( UBaseType_t ) 0U ) 81760: 4b36 ldr r3, [pc, #216] ; (8183c ) 81762: 681b ldr r3, [r3, #0] 81764: 2b00 cmp r3, #0 81766: d05d beq.n 81824 { /* Move any readied tasks from the pending list into the appropriate ready list. */ while( listLIST_IS_EMPTY( &xPendingReadyList ) == pdFALSE ) 81768: e02e b.n 817c8 { pxTCB = listGET_OWNER_OF_HEAD_ENTRY( ( &xPendingReadyList ) ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 8176a: 4b35 ldr r3, [pc, #212] ; (81840 ) 8176c: 68db ldr r3, [r3, #12] 8176e: 68db ldr r3, [r3, #12] 81770: 60fb str r3, [r7, #12] ( void ) uxListRemove( &( pxTCB->xEventListItem ) ); 81772: 68fb ldr r3, [r7, #12] 81774: 3318 adds r3, #24 81776: 4618 mov r0, r3 81778: 4b32 ldr r3, [pc, #200] ; (81844 ) 8177a: 4798 blx r3 ( void ) uxListRemove( &( pxTCB->xStateListItem ) ); 8177c: 68fb ldr r3, [r7, #12] 8177e: 3304 adds r3, #4 81780: 4618 mov r0, r3 81782: 4b30 ldr r3, [pc, #192] ; (81844 ) 81784: 4798 blx r3 prvAddTaskToReadyList( pxTCB ); 81786: 68fb ldr r3, [r7, #12] 81788: 6adb ldr r3, [r3, #44] ; 0x2c 8178a: 2201 movs r2, #1 8178c: 409a lsls r2, r3 8178e: 4b2e ldr r3, [pc, #184] ; (81848 ) 81790: 681b ldr r3, [r3, #0] 81792: 4313 orrs r3, r2 81794: 4a2c ldr r2, [pc, #176] ; (81848 ) 81796: 6013 str r3, [r2, #0] 81798: 68fb ldr r3, [r7, #12] 8179a: 6ada ldr r2, [r3, #44] ; 0x2c 8179c: 4613 mov r3, r2 8179e: 009b lsls r3, r3, #2 817a0: 4413 add r3, r2 817a2: 009b lsls r3, r3, #2 817a4: 4a29 ldr r2, [pc, #164] ; (8184c ) 817a6: 441a add r2, r3 817a8: 68fb ldr r3, [r7, #12] 817aa: 3304 adds r3, #4 817ac: 4619 mov r1, r3 817ae: 4610 mov r0, r2 817b0: 4b27 ldr r3, [pc, #156] ; (81850 ) 817b2: 4798 blx r3 /* If the moved task has a priority higher than the current task then a yield must be performed. */ if( pxTCB->uxPriority >= pxCurrentTCB->uxPriority ) 817b4: 68fb ldr r3, [r7, #12] 817b6: 6ada ldr r2, [r3, #44] ; 0x2c 817b8: 4b26 ldr r3, [pc, #152] ; (81854 ) 817ba: 681b ldr r3, [r3, #0] 817bc: 6adb ldr r3, [r3, #44] ; 0x2c 817be: 429a cmp r2, r3 817c0: d302 bcc.n 817c8 { xYieldPending = pdTRUE; 817c2: 4b25 ldr r3, [pc, #148] ; (81858 ) 817c4: 2201 movs r2, #1 817c6: 601a str r2, [r3, #0] while( listLIST_IS_EMPTY( &xPendingReadyList ) == pdFALSE ) 817c8: 4b1d ldr r3, [pc, #116] ; (81840 ) 817ca: 681b ldr r3, [r3, #0] 817cc: 2b00 cmp r3, #0 817ce: d1cc bne.n 8176a { mtCOVERAGE_TEST_MARKER(); } } if( pxTCB != NULL ) 817d0: 68fb ldr r3, [r7, #12] 817d2: 2b00 cmp r3, #0 817d4: d001 beq.n 817da which may have prevented the next unblock time from being re-calculated, in which case re-calculate it now. Mainly important for low power tickless implementations, where this can prevent an unnecessary exit from low power state. */ prvResetNextTaskUnblockTime(); 817d6: 4b21 ldr r3, [pc, #132] ; (8185c ) 817d8: 4798 blx r3 /* If any ticks occurred while the scheduler was suspended then they should be processed now. This ensures the tick count does not slip, and that any delayed tasks are resumed at the correct time. */ { TickType_t xPendedCounts = xPendedTicks; /* Non-volatile copy. */ 817da: 4b21 ldr r3, [pc, #132] ; (81860 ) 817dc: 681b ldr r3, [r3, #0] 817de: 607b str r3, [r7, #4] if( xPendedCounts > ( TickType_t ) 0U ) 817e0: 687b ldr r3, [r7, #4] 817e2: 2b00 cmp r3, #0 817e4: d010 beq.n 81808 { do { if( xTaskIncrementTick() != pdFALSE ) 817e6: 4b1f ldr r3, [pc, #124] ; (81864 ) 817e8: 4798 blx r3 817ea: 4603 mov r3, r0 817ec: 2b00 cmp r3, #0 817ee: d002 beq.n 817f6 { xYieldPending = pdTRUE; 817f0: 4b19 ldr r3, [pc, #100] ; (81858 ) 817f2: 2201 movs r2, #1 817f4: 601a str r2, [r3, #0] } else { mtCOVERAGE_TEST_MARKER(); } --xPendedCounts; 817f6: 687b ldr r3, [r7, #4] 817f8: 3b01 subs r3, #1 817fa: 607b str r3, [r7, #4] } while( xPendedCounts > ( TickType_t ) 0U ); 817fc: 687b ldr r3, [r7, #4] 817fe: 2b00 cmp r3, #0 81800: d1f1 bne.n 817e6 xPendedTicks = 0; 81802: 4b17 ldr r3, [pc, #92] ; (81860 ) 81804: 2200 movs r2, #0 81806: 601a str r2, [r3, #0] { mtCOVERAGE_TEST_MARKER(); } } if( xYieldPending != pdFALSE ) 81808: 4b13 ldr r3, [pc, #76] ; (81858 ) 8180a: 681b ldr r3, [r3, #0] 8180c: 2b00 cmp r3, #0 8180e: d009 beq.n 81824 { #if( configUSE_PREEMPTION != 0 ) { xAlreadyYielded = pdTRUE; 81810: 2301 movs r3, #1 81812: 60bb str r3, [r7, #8] } #endif taskYIELD_IF_USING_PREEMPTION(); 81814: 4b14 ldr r3, [pc, #80] ; (81868 ) 81816: f04f 5280 mov.w r2, #268435456 ; 0x10000000 8181a: 601a str r2, [r3, #0] 8181c: f3bf 8f4f dsb sy 81820: f3bf 8f6f isb sy else { mtCOVERAGE_TEST_MARKER(); } } taskEXIT_CRITICAL(); 81824: 4b11 ldr r3, [pc, #68] ; (8186c ) 81826: 4798 blx r3 return xAlreadyYielded; 81828: 68bb ldr r3, [r7, #8] } 8182a: 4618 mov r0, r3 8182c: 3710 adds r7, #16 8182e: 46bd mov sp, r7 81830: bd80 pop {r7, pc} 81832: bf00 nop 81834: 2000a584 .word 0x2000a584 81838: 000807e9 .word 0x000807e9 8183c: 2000a55c .word 0x2000a55c 81840: 2000a51c .word 0x2000a51c 81844: 000803e5 .word 0x000803e5 81848: 2000a564 .word 0x2000a564 8184c: 2000a488 .word 0x2000a488 81850: 0008032f .word 0x0008032f 81854: 2000a484 .word 0x2000a484 81858: 2000a570 .word 0x2000a570 8185c: 00081ef5 .word 0x00081ef5 81860: 2000a56c .word 0x2000a56c 81864: 0008188d .word 0x0008188d 81868: e000ed04 .word 0xe000ed04 8186c: 00080845 .word 0x00080845 00081870 : /*-----------------------------------------------------------*/ TickType_t xTaskGetTickCount( void ) { 81870: b480 push {r7} 81872: b083 sub sp, #12 81874: af00 add r7, sp, #0 TickType_t xTicks; /* Critical section required if running on a 16 bit processor. */ portTICK_TYPE_ENTER_CRITICAL(); { xTicks = xTickCount; 81876: 4b04 ldr r3, [pc, #16] ; (81888 ) 81878: 681b ldr r3, [r3, #0] 8187a: 607b str r3, [r7, #4] } portTICK_TYPE_EXIT_CRITICAL(); return xTicks; 8187c: 687b ldr r3, [r7, #4] } 8187e: 4618 mov r0, r3 81880: 370c adds r7, #12 81882: 46bd mov sp, r7 81884: bc80 pop {r7} 81886: 4770 bx lr 81888: 2000a560 .word 0x2000a560 0008188c : #endif /* INCLUDE_xTaskAbortDelay */ /*----------------------------------------------------------*/ BaseType_t xTaskIncrementTick( void ) { 8188c: b580 push {r7, lr} 8188e: b086 sub sp, #24 81890: af00 add r7, sp, #0 TCB_t * pxTCB; TickType_t xItemValue; BaseType_t xSwitchRequired = pdFALSE; 81892: 2300 movs r3, #0 81894: 617b str r3, [r7, #20] /* Called by the portable layer each time a tick interrupt occurs. Increments the tick then checks to see if the new tick value will cause any tasks to be unblocked. */ traceTASK_INCREMENT_TICK( xTickCount ); if( uxSchedulerSuspended == ( UBaseType_t ) pdFALSE ) 81896: 4b52 ldr r3, [pc, #328] ; (819e0 ) 81898: 681b ldr r3, [r3, #0] 8189a: 2b00 cmp r3, #0 8189c: f040 8093 bne.w 819c6 { /* Minor optimisation. The tick count cannot change in this block. */ const TickType_t xConstTickCount = xTickCount + ( TickType_t ) 1; 818a0: 4b50 ldr r3, [pc, #320] ; (819e4 ) 818a2: 681b ldr r3, [r3, #0] 818a4: 3301 adds r3, #1 818a6: 613b str r3, [r7, #16] /* Increment the RTOS tick, switching the delayed and overflowed delayed lists if it wraps to 0. */ xTickCount = xConstTickCount; 818a8: 4a4e ldr r2, [pc, #312] ; (819e4 ) 818aa: 693b ldr r3, [r7, #16] 818ac: 6013 str r3, [r2, #0] if( xConstTickCount == ( TickType_t ) 0U ) /*lint !e774 'if' does not always evaluate to false as it is looking for an overflow. */ 818ae: 693b ldr r3, [r7, #16] 818b0: 2b00 cmp r3, #0 818b2: d11f bne.n 818f4 { taskSWITCH_DELAYED_LISTS(); 818b4: 4b4c ldr r3, [pc, #304] ; (819e8 ) 818b6: 681b ldr r3, [r3, #0] 818b8: 681b ldr r3, [r3, #0] 818ba: 2b00 cmp r3, #0 818bc: d009 beq.n 818d2 818be: f04f 03a0 mov.w r3, #160 ; 0xa0 818c2: f383 8811 msr BASEPRI, r3 818c6: f3bf 8f6f isb sy 818ca: f3bf 8f4f dsb sy 818ce: 603b str r3, [r7, #0] 818d0: e7fe b.n 818d0 818d2: 4b45 ldr r3, [pc, #276] ; (819e8 ) 818d4: 681b ldr r3, [r3, #0] 818d6: 60fb str r3, [r7, #12] 818d8: 4b44 ldr r3, [pc, #272] ; (819ec ) 818da: 681b ldr r3, [r3, #0] 818dc: 4a42 ldr r2, [pc, #264] ; (819e8 ) 818de: 6013 str r3, [r2, #0] 818e0: 4a42 ldr r2, [pc, #264] ; (819ec ) 818e2: 68fb ldr r3, [r7, #12] 818e4: 6013 str r3, [r2, #0] 818e6: 4b42 ldr r3, [pc, #264] ; (819f0 ) 818e8: 681b ldr r3, [r3, #0] 818ea: 3301 adds r3, #1 818ec: 4a40 ldr r2, [pc, #256] ; (819f0 ) 818ee: 6013 str r3, [r2, #0] 818f0: 4b40 ldr r3, [pc, #256] ; (819f4 ) 818f2: 4798 blx r3 /* See if this tick has made a timeout expire. Tasks are stored in the queue in the order of their wake time - meaning once one task has been found whose block time has not expired there is no need to look any further down the list. */ if( xConstTickCount >= xNextTaskUnblockTime ) 818f4: 4b40 ldr r3, [pc, #256] ; (819f8 ) 818f6: 681b ldr r3, [r3, #0] 818f8: 693a ldr r2, [r7, #16] 818fa: 429a cmp r2, r3 818fc: d348 bcc.n 81990 { for( ;; ) { if( listLIST_IS_EMPTY( pxDelayedTaskList ) != pdFALSE ) 818fe: 4b3a ldr r3, [pc, #232] ; (819e8 ) 81900: 681b ldr r3, [r3, #0] 81902: 681b ldr r3, [r3, #0] 81904: 2b00 cmp r3, #0 81906: d104 bne.n 81912 /* The delayed list is empty. Set xNextTaskUnblockTime to the maximum possible value so it is extremely unlikely that the if( xTickCount >= xNextTaskUnblockTime ) test will pass next time through. */ xNextTaskUnblockTime = portMAX_DELAY; /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ 81908: 4b3b ldr r3, [pc, #236] ; (819f8 ) 8190a: f04f 32ff mov.w r2, #4294967295 8190e: 601a str r2, [r3, #0] break; 81910: e03e b.n 81990 { /* The delayed list is not empty, get the value of the item at the head of the delayed list. This is the time at which the task at the head of the delayed list must be removed from the Blocked state. */ pxTCB = listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 81912: 4b35 ldr r3, [pc, #212] ; (819e8 ) 81914: 681b ldr r3, [r3, #0] 81916: 68db ldr r3, [r3, #12] 81918: 68db ldr r3, [r3, #12] 8191a: 60bb str r3, [r7, #8] xItemValue = listGET_LIST_ITEM_VALUE( &( pxTCB->xStateListItem ) ); 8191c: 68bb ldr r3, [r7, #8] 8191e: 685b ldr r3, [r3, #4] 81920: 607b str r3, [r7, #4] if( xConstTickCount < xItemValue ) 81922: 693a ldr r2, [r7, #16] 81924: 687b ldr r3, [r7, #4] 81926: 429a cmp r2, r3 81928: d203 bcs.n 81932 /* It is not time to unblock this item yet, but the item value is the time at which the task at the head of the blocked list must be removed from the Blocked state - so record the item value in xNextTaskUnblockTime. */ xNextTaskUnblockTime = xItemValue; 8192a: 4a33 ldr r2, [pc, #204] ; (819f8 ) 8192c: 687b ldr r3, [r7, #4] 8192e: 6013 str r3, [r2, #0] break; /*lint !e9011 Code structure here is deedmed easier to understand with multiple breaks. */ 81930: e02e b.n 81990 { mtCOVERAGE_TEST_MARKER(); } /* It is time to remove the item from the Blocked state. */ ( void ) uxListRemove( &( pxTCB->xStateListItem ) ); 81932: 68bb ldr r3, [r7, #8] 81934: 3304 adds r3, #4 81936: 4618 mov r0, r3 81938: 4b30 ldr r3, [pc, #192] ; (819fc ) 8193a: 4798 blx r3 /* Is the task waiting on an event also? If so remove it from the event list. */ if( listLIST_ITEM_CONTAINER( &( pxTCB->xEventListItem ) ) != NULL ) 8193c: 68bb ldr r3, [r7, #8] 8193e: 6a9b ldr r3, [r3, #40] ; 0x28 81940: 2b00 cmp r3, #0 81942: d004 beq.n 8194e { ( void ) uxListRemove( &( pxTCB->xEventListItem ) ); 81944: 68bb ldr r3, [r7, #8] 81946: 3318 adds r3, #24 81948: 4618 mov r0, r3 8194a: 4b2c ldr r3, [pc, #176] ; (819fc ) 8194c: 4798 blx r3 mtCOVERAGE_TEST_MARKER(); } /* Place the unblocked task into the appropriate ready list. */ prvAddTaskToReadyList( pxTCB ); 8194e: 68bb ldr r3, [r7, #8] 81950: 6adb ldr r3, [r3, #44] ; 0x2c 81952: 2201 movs r2, #1 81954: 409a lsls r2, r3 81956: 4b2a ldr r3, [pc, #168] ; (81a00 ) 81958: 681b ldr r3, [r3, #0] 8195a: 4313 orrs r3, r2 8195c: 4a28 ldr r2, [pc, #160] ; (81a00 ) 8195e: 6013 str r3, [r2, #0] 81960: 68bb ldr r3, [r7, #8] 81962: 6ada ldr r2, [r3, #44] ; 0x2c 81964: 4613 mov r3, r2 81966: 009b lsls r3, r3, #2 81968: 4413 add r3, r2 8196a: 009b lsls r3, r3, #2 8196c: 4a25 ldr r2, [pc, #148] ; (81a04 ) 8196e: 441a add r2, r3 81970: 68bb ldr r3, [r7, #8] 81972: 3304 adds r3, #4 81974: 4619 mov r1, r3 81976: 4610 mov r0, r2 81978: 4b23 ldr r3, [pc, #140] ; (81a08 ) 8197a: 4798 blx r3 { /* Preemption is on, but a context switch should only be performed if the unblocked task has a priority that is equal to or higher than the currently executing task. */ if( pxTCB->uxPriority >= pxCurrentTCB->uxPriority ) 8197c: 68bb ldr r3, [r7, #8] 8197e: 6ada ldr r2, [r3, #44] ; 0x2c 81980: 4b22 ldr r3, [pc, #136] ; (81a0c ) 81982: 681b ldr r3, [r3, #0] 81984: 6adb ldr r3, [r3, #44] ; 0x2c 81986: 429a cmp r2, r3 81988: d3b9 bcc.n 818fe { xSwitchRequired = pdTRUE; 8198a: 2301 movs r3, #1 8198c: 617b str r3, [r7, #20] if( listLIST_IS_EMPTY( pxDelayedTaskList ) != pdFALSE ) 8198e: e7b6 b.n 818fe /* Tasks of equal priority to the currently running task will share processing time (time slice) if preemption is on, and the application writer has not explicitly turned time slicing off. */ #if ( ( configUSE_PREEMPTION == 1 ) && ( configUSE_TIME_SLICING == 1 ) ) { if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ pxCurrentTCB->uxPriority ] ) ) > ( UBaseType_t ) 1 ) 81990: 4b1e ldr r3, [pc, #120] ; (81a0c ) 81992: 681b ldr r3, [r3, #0] 81994: 6ada ldr r2, [r3, #44] ; 0x2c 81996: 491b ldr r1, [pc, #108] ; (81a04 ) 81998: 4613 mov r3, r2 8199a: 009b lsls r3, r3, #2 8199c: 4413 add r3, r2 8199e: 009b lsls r3, r3, #2 819a0: 440b add r3, r1 819a2: 681b ldr r3, [r3, #0] 819a4: 2b01 cmp r3, #1 819a6: d901 bls.n 819ac { xSwitchRequired = pdTRUE; 819a8: 2301 movs r3, #1 819aa: 617b str r3, [r7, #20] #if ( configUSE_TICK_HOOK == 1 ) { /* Guard against the tick hook being called when the pended tick count is being unwound (when the scheduler is being unlocked). */ if( xPendedTicks == ( TickType_t ) 0 ) 819ac: 4b18 ldr r3, [pc, #96] ; (81a10 ) 819ae: 681b ldr r3, [r3, #0] 819b0: 2b00 cmp r3, #0 819b2: d101 bne.n 819b8 { vApplicationTickHook(); 819b4: 4b17 ldr r3, [pc, #92] ; (81a14 ) 819b6: 4798 blx r3 } #endif /* configUSE_TICK_HOOK */ #if ( configUSE_PREEMPTION == 1 ) { if( xYieldPending != pdFALSE ) 819b8: 4b17 ldr r3, [pc, #92] ; (81a18 ) 819ba: 681b ldr r3, [r3, #0] 819bc: 2b00 cmp r3, #0 819be: d009 beq.n 819d4 { xSwitchRequired = pdTRUE; 819c0: 2301 movs r3, #1 819c2: 617b str r3, [r7, #20] 819c4: e006 b.n 819d4 } #endif /* configUSE_PREEMPTION */ } else { ++xPendedTicks; 819c6: 4b12 ldr r3, [pc, #72] ; (81a10 ) 819c8: 681b ldr r3, [r3, #0] 819ca: 3301 adds r3, #1 819cc: 4a10 ldr r2, [pc, #64] ; (81a10 ) 819ce: 6013 str r3, [r2, #0] /* The tick hook gets called at regular intervals, even if the scheduler is locked. */ #if ( configUSE_TICK_HOOK == 1 ) { vApplicationTickHook(); 819d0: 4b10 ldr r3, [pc, #64] ; (81a14 ) 819d2: 4798 blx r3 } #endif } return xSwitchRequired; 819d4: 697b ldr r3, [r7, #20] } 819d6: 4618 mov r0, r3 819d8: 3718 adds r7, #24 819da: 46bd mov sp, r7 819dc: bd80 pop {r7, pc} 819de: bf00 nop 819e0: 2000a584 .word 0x2000a584 819e4: 2000a560 .word 0x2000a560 819e8: 2000a514 .word 0x2000a514 819ec: 2000a518 .word 0x2000a518 819f0: 2000a574 .word 0x2000a574 819f4: 00081ef5 .word 0x00081ef5 819f8: 2000a57c .word 0x2000a57c 819fc: 000803e5 .word 0x000803e5 81a00: 2000a564 .word 0x2000a564 81a04: 2000a488 .word 0x2000a488 81a08: 0008032f .word 0x0008032f 81a0c: 2000a484 .word 0x2000a484 81a10: 2000a56c .word 0x2000a56c 81a14: 00080455 .word 0x00080455 81a18: 2000a570 .word 0x2000a570 00081a1c : #endif /* configUSE_APPLICATION_TASK_TAG */ /*-----------------------------------------------------------*/ void vTaskSwitchContext( void ) { 81a1c: b580 push {r7, lr} 81a1e: b088 sub sp, #32 81a20: af00 add r7, sp, #0 if( uxSchedulerSuspended != ( UBaseType_t ) pdFALSE ) 81a22: 4b39 ldr r3, [pc, #228] ; (81b08 ) 81a24: 681b ldr r3, [r3, #0] 81a26: 2b00 cmp r3, #0 81a28: d003 beq.n 81a32 { /* The scheduler is currently suspended - do not allow a context switch. */ xYieldPending = pdTRUE; 81a2a: 4b38 ldr r3, [pc, #224] ; (81b0c ) 81a2c: 2201 movs r2, #1 81a2e: 601a str r2, [r3, #0] for additional information. */ _impure_ptr = &( pxCurrentTCB->xNewLib_reent ); } #endif /* configUSE_NEWLIB_REENTRANT */ } } 81a30: e065 b.n 81afe xYieldPending = pdFALSE; 81a32: 4b36 ldr r3, [pc, #216] ; (81b0c ) 81a34: 2200 movs r2, #0 81a36: 601a str r2, [r3, #0] taskCHECK_FOR_STACK_OVERFLOW(); 81a38: 4b35 ldr r3, [pc, #212] ; (81b10 ) 81a3a: 681b ldr r3, [r3, #0] 81a3c: 6b1b ldr r3, [r3, #48] ; 0x30 81a3e: 61fb str r3, [r7, #28] 81a40: f04f 33a5 mov.w r3, #2779096485 ; 0xa5a5a5a5 81a44: 61bb str r3, [r7, #24] 81a46: 69fb ldr r3, [r7, #28] 81a48: 681a ldr r2, [r3, #0] 81a4a: 69bb ldr r3, [r7, #24] 81a4c: 429a cmp r2, r3 81a4e: d111 bne.n 81a74 81a50: 69fb ldr r3, [r7, #28] 81a52: 3304 adds r3, #4 81a54: 681a ldr r2, [r3, #0] 81a56: 69bb ldr r3, [r7, #24] 81a58: 429a cmp r2, r3 81a5a: d10b bne.n 81a74 81a5c: 69fb ldr r3, [r7, #28] 81a5e: 3308 adds r3, #8 81a60: 681a ldr r2, [r3, #0] 81a62: 69bb ldr r3, [r7, #24] 81a64: 429a cmp r2, r3 81a66: d105 bne.n 81a74 81a68: 69fb ldr r3, [r7, #28] 81a6a: 330c adds r3, #12 81a6c: 681a ldr r2, [r3, #0] 81a6e: 69bb ldr r3, [r7, #24] 81a70: 429a cmp r2, r3 81a72: d008 beq.n 81a86 81a74: 4b26 ldr r3, [pc, #152] ; (81b10 ) 81a76: 681a ldr r2, [r3, #0] 81a78: 4b25 ldr r3, [pc, #148] ; (81b10 ) 81a7a: 681b ldr r3, [r3, #0] 81a7c: 3334 adds r3, #52 ; 0x34 81a7e: 4619 mov r1, r3 81a80: 4610 mov r0, r2 81a82: 4b24 ldr r3, [pc, #144] ; (81b14 ) 81a84: 4798 blx r3 taskSELECT_HIGHEST_PRIORITY_TASK(); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 81a86: 4b24 ldr r3, [pc, #144] ; (81b18 ) 81a88: 681b ldr r3, [r3, #0] 81a8a: 60fb str r3, [r7, #12] __asm volatile ( "clz %0, %1" : "=r" ( ucReturn ) : "r" ( ulBitmap ) : "memory" ); 81a8c: 68fb ldr r3, [r7, #12] 81a8e: fab3 f383 clz r3, r3 81a92: 72fb strb r3, [r7, #11] return ucReturn; 81a94: 7afb ldrb r3, [r7, #11] 81a96: f1c3 031f rsb r3, r3, #31 81a9a: 617b str r3, [r7, #20] 81a9c: 491f ldr r1, [pc, #124] ; (81b1c ) 81a9e: 697a ldr r2, [r7, #20] 81aa0: 4613 mov r3, r2 81aa2: 009b lsls r3, r3, #2 81aa4: 4413 add r3, r2 81aa6: 009b lsls r3, r3, #2 81aa8: 440b add r3, r1 81aaa: 681b ldr r3, [r3, #0] 81aac: 2b00 cmp r3, #0 81aae: d109 bne.n 81ac4 __asm volatile 81ab0: f04f 03a0 mov.w r3, #160 ; 0xa0 81ab4: f383 8811 msr BASEPRI, r3 81ab8: f3bf 8f6f isb sy 81abc: f3bf 8f4f dsb sy 81ac0: 607b str r3, [r7, #4] 81ac2: e7fe b.n 81ac2 81ac4: 697a ldr r2, [r7, #20] 81ac6: 4613 mov r3, r2 81ac8: 009b lsls r3, r3, #2 81aca: 4413 add r3, r2 81acc: 009b lsls r3, r3, #2 81ace: 4a13 ldr r2, [pc, #76] ; (81b1c ) 81ad0: 4413 add r3, r2 81ad2: 613b str r3, [r7, #16] 81ad4: 693b ldr r3, [r7, #16] 81ad6: 685b ldr r3, [r3, #4] 81ad8: 685a ldr r2, [r3, #4] 81ada: 693b ldr r3, [r7, #16] 81adc: 605a str r2, [r3, #4] 81ade: 693b ldr r3, [r7, #16] 81ae0: 685a ldr r2, [r3, #4] 81ae2: 693b ldr r3, [r7, #16] 81ae4: 3308 adds r3, #8 81ae6: 429a cmp r2, r3 81ae8: d104 bne.n 81af4 81aea: 693b ldr r3, [r7, #16] 81aec: 685b ldr r3, [r3, #4] 81aee: 685a ldr r2, [r3, #4] 81af0: 693b ldr r3, [r7, #16] 81af2: 605a str r2, [r3, #4] 81af4: 693b ldr r3, [r7, #16] 81af6: 685b ldr r3, [r3, #4] 81af8: 68db ldr r3, [r3, #12] 81afa: 4a05 ldr r2, [pc, #20] ; (81b10 ) 81afc: 6013 str r3, [r2, #0] } 81afe: bf00 nop 81b00: 3720 adds r7, #32 81b02: 46bd mov sp, r7 81b04: bd80 pop {r7, pc} 81b06: bf00 nop 81b08: 2000a584 .word 0x2000a584 81b0c: 2000a570 .word 0x2000a570 81b10: 2000a484 .word 0x2000a484 81b14: 0008047d .word 0x0008047d 81b18: 2000a564 .word 0x2000a564 81b1c: 2000a488 .word 0x2000a488 00081b20 : /*-----------------------------------------------------------*/ void vTaskPlaceOnEventList( List_t * const pxEventList, const TickType_t xTicksToWait ) { 81b20: b580 push {r7, lr} 81b22: b084 sub sp, #16 81b24: af00 add r7, sp, #0 81b26: 6078 str r0, [r7, #4] 81b28: 6039 str r1, [r7, #0] configASSERT( pxEventList ); 81b2a: 687b ldr r3, [r7, #4] 81b2c: 2b00 cmp r3, #0 81b2e: d109 bne.n 81b44 81b30: f04f 03a0 mov.w r3, #160 ; 0xa0 81b34: f383 8811 msr BASEPRI, r3 81b38: f3bf 8f6f isb sy 81b3c: f3bf 8f4f dsb sy 81b40: 60fb str r3, [r7, #12] 81b42: e7fe b.n 81b42 /* Place the event list item of the TCB in the appropriate event list. This is placed in the list in priority order so the highest priority task is the first to be woken by the event. The queue that contains the event list is locked, preventing simultaneous access from interrupts. */ vListInsert( pxEventList, &( pxCurrentTCB->xEventListItem ) ); 81b44: 4b07 ldr r3, [pc, #28] ; (81b64 ) 81b46: 681b ldr r3, [r3, #0] 81b48: 3318 adds r3, #24 81b4a: 4619 mov r1, r3 81b4c: 6878 ldr r0, [r7, #4] 81b4e: 4b06 ldr r3, [pc, #24] ; (81b68 ) 81b50: 4798 blx r3 prvAddCurrentTaskToDelayedList( xTicksToWait, pdTRUE ); 81b52: 2101 movs r1, #1 81b54: 6838 ldr r0, [r7, #0] 81b56: 4b05 ldr r3, [pc, #20] ; (81b6c ) 81b58: 4798 blx r3 } 81b5a: bf00 nop 81b5c: 3710 adds r7, #16 81b5e: 46bd mov sp, r7 81b60: bd80 pop {r7, pc} 81b62: bf00 nop 81b64: 2000a484 .word 0x2000a484 81b68: 00080375 .word 0x00080375 81b6c: 00082081 .word 0x00082081 00081b70 : /*-----------------------------------------------------------*/ #if( configUSE_TIMERS == 1 ) void vTaskPlaceOnEventListRestricted( List_t * const pxEventList, TickType_t xTicksToWait, const BaseType_t xWaitIndefinitely ) { 81b70: b580 push {r7, lr} 81b72: b086 sub sp, #24 81b74: af00 add r7, sp, #0 81b76: 60f8 str r0, [r7, #12] 81b78: 60b9 str r1, [r7, #8] 81b7a: 607a str r2, [r7, #4] configASSERT( pxEventList ); 81b7c: 68fb ldr r3, [r7, #12] 81b7e: 2b00 cmp r3, #0 81b80: d109 bne.n 81b96 81b82: f04f 03a0 mov.w r3, #160 ; 0xa0 81b86: f383 8811 msr BASEPRI, r3 81b8a: f3bf 8f6f isb sy 81b8e: f3bf 8f4f dsb sy 81b92: 617b str r3, [r7, #20] 81b94: e7fe b.n 81b94 /* Place the event list item of the TCB in the appropriate event list. In this case it is assume that this is the only task that is going to be waiting on this event list, so the faster vListInsertEnd() function can be used in place of vListInsert. */ vListInsertEnd( pxEventList, &( pxCurrentTCB->xEventListItem ) ); 81b96: 4b0a ldr r3, [pc, #40] ; (81bc0 ) 81b98: 681b ldr r3, [r3, #0] 81b9a: 3318 adds r3, #24 81b9c: 4619 mov r1, r3 81b9e: 68f8 ldr r0, [r7, #12] 81ba0: 4b08 ldr r3, [pc, #32] ; (81bc4 ) 81ba2: 4798 blx r3 /* If the task should block indefinitely then set the block time to a value that will be recognised as an indefinite delay inside the prvAddCurrentTaskToDelayedList() function. */ if( xWaitIndefinitely != pdFALSE ) 81ba4: 687b ldr r3, [r7, #4] 81ba6: 2b00 cmp r3, #0 81ba8: d002 beq.n 81bb0 { xTicksToWait = portMAX_DELAY; 81baa: f04f 33ff mov.w r3, #4294967295 81bae: 60bb str r3, [r7, #8] } traceTASK_DELAY_UNTIL( ( xTickCount + xTicksToWait ) ); prvAddCurrentTaskToDelayedList( xTicksToWait, xWaitIndefinitely ); 81bb0: 6879 ldr r1, [r7, #4] 81bb2: 68b8 ldr r0, [r7, #8] 81bb4: 4b04 ldr r3, [pc, #16] ; (81bc8 ) 81bb6: 4798 blx r3 } 81bb8: bf00 nop 81bba: 3718 adds r7, #24 81bbc: 46bd mov sp, r7 81bbe: bd80 pop {r7, pc} 81bc0: 2000a484 .word 0x2000a484 81bc4: 0008032f .word 0x0008032f 81bc8: 00082081 .word 0x00082081 00081bcc : #endif /* configUSE_TIMERS */ /*-----------------------------------------------------------*/ BaseType_t xTaskRemoveFromEventList( const List_t * const pxEventList ) { 81bcc: b580 push {r7, lr} 81bce: b086 sub sp, #24 81bd0: af00 add r7, sp, #0 81bd2: 6078 str r0, [r7, #4] get called - the lock count on the queue will get modified instead. This means exclusive access to the event list is guaranteed here. This function assumes that a check has already been made to ensure that pxEventList is not empty. */ pxUnblockedTCB = listGET_OWNER_OF_HEAD_ENTRY( pxEventList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 81bd4: 687b ldr r3, [r7, #4] 81bd6: 68db ldr r3, [r3, #12] 81bd8: 68db ldr r3, [r3, #12] 81bda: 613b str r3, [r7, #16] configASSERT( pxUnblockedTCB ); 81bdc: 693b ldr r3, [r7, #16] 81bde: 2b00 cmp r3, #0 81be0: d109 bne.n 81bf6 81be2: f04f 03a0 mov.w r3, #160 ; 0xa0 81be6: f383 8811 msr BASEPRI, r3 81bea: f3bf 8f6f isb sy 81bee: f3bf 8f4f dsb sy 81bf2: 60fb str r3, [r7, #12] 81bf4: e7fe b.n 81bf4 ( void ) uxListRemove( &( pxUnblockedTCB->xEventListItem ) ); 81bf6: 693b ldr r3, [r7, #16] 81bf8: 3318 adds r3, #24 81bfa: 4618 mov r0, r3 81bfc: 4b1e ldr r3, [pc, #120] ; (81c78 ) 81bfe: 4798 blx r3 if( uxSchedulerSuspended == ( UBaseType_t ) pdFALSE ) 81c00: 4b1e ldr r3, [pc, #120] ; (81c7c ) 81c02: 681b ldr r3, [r3, #0] 81c04: 2b00 cmp r3, #0 81c06: d11c bne.n 81c42 { ( void ) uxListRemove( &( pxUnblockedTCB->xStateListItem ) ); 81c08: 693b ldr r3, [r7, #16] 81c0a: 3304 adds r3, #4 81c0c: 4618 mov r0, r3 81c0e: 4b1a ldr r3, [pc, #104] ; (81c78 ) 81c10: 4798 blx r3 prvAddTaskToReadyList( pxUnblockedTCB ); 81c12: 693b ldr r3, [r7, #16] 81c14: 6adb ldr r3, [r3, #44] ; 0x2c 81c16: 2201 movs r2, #1 81c18: 409a lsls r2, r3 81c1a: 4b19 ldr r3, [pc, #100] ; (81c80 ) 81c1c: 681b ldr r3, [r3, #0] 81c1e: 4313 orrs r3, r2 81c20: 4a17 ldr r2, [pc, #92] ; (81c80 ) 81c22: 6013 str r3, [r2, #0] 81c24: 693b ldr r3, [r7, #16] 81c26: 6ada ldr r2, [r3, #44] ; 0x2c 81c28: 4613 mov r3, r2 81c2a: 009b lsls r3, r3, #2 81c2c: 4413 add r3, r2 81c2e: 009b lsls r3, r3, #2 81c30: 4a14 ldr r2, [pc, #80] ; (81c84 ) 81c32: 441a add r2, r3 81c34: 693b ldr r3, [r7, #16] 81c36: 3304 adds r3, #4 81c38: 4619 mov r1, r3 81c3a: 4610 mov r0, r2 81c3c: 4b12 ldr r3, [pc, #72] ; (81c88 ) 81c3e: 4798 blx r3 81c40: e005 b.n 81c4e } else { /* The delayed and ready lists cannot be accessed, so hold this task pending until the scheduler is resumed. */ vListInsertEnd( &( xPendingReadyList ), &( pxUnblockedTCB->xEventListItem ) ); 81c42: 693b ldr r3, [r7, #16] 81c44: 3318 adds r3, #24 81c46: 4619 mov r1, r3 81c48: 4810 ldr r0, [pc, #64] ; (81c8c ) 81c4a: 4b0f ldr r3, [pc, #60] ; (81c88 ) 81c4c: 4798 blx r3 } if( pxUnblockedTCB->uxPriority > pxCurrentTCB->uxPriority ) 81c4e: 693b ldr r3, [r7, #16] 81c50: 6ada ldr r2, [r3, #44] ; 0x2c 81c52: 4b0f ldr r3, [pc, #60] ; (81c90 ) 81c54: 681b ldr r3, [r3, #0] 81c56: 6adb ldr r3, [r3, #44] ; 0x2c 81c58: 429a cmp r2, r3 81c5a: d905 bls.n 81c68 { /* Return true if the task removed from the event list has a higher priority than the calling task. This allows the calling task to know if it should force a context switch now. */ xReturn = pdTRUE; 81c5c: 2301 movs r3, #1 81c5e: 617b str r3, [r7, #20] /* Mark that a yield is pending in case the user is not using the "xHigherPriorityTaskWoken" parameter to an ISR safe FreeRTOS function. */ xYieldPending = pdTRUE; 81c60: 4b0c ldr r3, [pc, #48] ; (81c94 ) 81c62: 2201 movs r2, #1 81c64: 601a str r2, [r3, #0] 81c66: e001 b.n 81c6c } else { xReturn = pdFALSE; 81c68: 2300 movs r3, #0 81c6a: 617b str r3, [r7, #20] } return xReturn; 81c6c: 697b ldr r3, [r7, #20] } 81c6e: 4618 mov r0, r3 81c70: 3718 adds r7, #24 81c72: 46bd mov sp, r7 81c74: bd80 pop {r7, pc} 81c76: bf00 nop 81c78: 000803e5 .word 0x000803e5 81c7c: 2000a584 .word 0x2000a584 81c80: 2000a564 .word 0x2000a564 81c84: 2000a488 .word 0x2000a488 81c88: 0008032f .word 0x0008032f 81c8c: 2000a51c .word 0x2000a51c 81c90: 2000a484 .word 0x2000a484 81c94: 2000a570 .word 0x2000a570 00081c98 : taskEXIT_CRITICAL(); } /*-----------------------------------------------------------*/ void vTaskInternalSetTimeOutState( TimeOut_t * const pxTimeOut ) { 81c98: b480 push {r7} 81c9a: b083 sub sp, #12 81c9c: af00 add r7, sp, #0 81c9e: 6078 str r0, [r7, #4] /* For internal use only as it does not use a critical section. */ pxTimeOut->xOverflowCount = xNumOfOverflows; 81ca0: 4b06 ldr r3, [pc, #24] ; (81cbc ) 81ca2: 681a ldr r2, [r3, #0] 81ca4: 687b ldr r3, [r7, #4] 81ca6: 601a str r2, [r3, #0] pxTimeOut->xTimeOnEntering = xTickCount; 81ca8: 4b05 ldr r3, [pc, #20] ; (81cc0 ) 81caa: 681a ldr r2, [r3, #0] 81cac: 687b ldr r3, [r7, #4] 81cae: 605a str r2, [r3, #4] } 81cb0: bf00 nop 81cb2: 370c adds r7, #12 81cb4: 46bd mov sp, r7 81cb6: bc80 pop {r7} 81cb8: 4770 bx lr 81cba: bf00 nop 81cbc: 2000a574 .word 0x2000a574 81cc0: 2000a560 .word 0x2000a560 00081cc4 : /*-----------------------------------------------------------*/ BaseType_t xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut, TickType_t * const pxTicksToWait ) { 81cc4: b580 push {r7, lr} 81cc6: b088 sub sp, #32 81cc8: af00 add r7, sp, #0 81cca: 6078 str r0, [r7, #4] 81ccc: 6039 str r1, [r7, #0] BaseType_t xReturn; configASSERT( pxTimeOut ); 81cce: 687b ldr r3, [r7, #4] 81cd0: 2b00 cmp r3, #0 81cd2: d109 bne.n 81ce8 81cd4: f04f 03a0 mov.w r3, #160 ; 0xa0 81cd8: f383 8811 msr BASEPRI, r3 81cdc: f3bf 8f6f isb sy 81ce0: f3bf 8f4f dsb sy 81ce4: 613b str r3, [r7, #16] 81ce6: e7fe b.n 81ce6 configASSERT( pxTicksToWait ); 81ce8: 683b ldr r3, [r7, #0] 81cea: 2b00 cmp r3, #0 81cec: d109 bne.n 81d02 81cee: f04f 03a0 mov.w r3, #160 ; 0xa0 81cf2: f383 8811 msr BASEPRI, r3 81cf6: f3bf 8f6f isb sy 81cfa: f3bf 8f4f dsb sy 81cfe: 60fb str r3, [r7, #12] 81d00: e7fe b.n 81d00 taskENTER_CRITICAL(); 81d02: 4b1e ldr r3, [pc, #120] ; (81d7c ) 81d04: 4798 blx r3 { /* Minor optimisation. The tick count cannot change in this block. */ const TickType_t xConstTickCount = xTickCount; 81d06: 4b1e ldr r3, [pc, #120] ; (81d80 ) 81d08: 681b ldr r3, [r3, #0] 81d0a: 61bb str r3, [r7, #24] const TickType_t xElapsedTime = xConstTickCount - pxTimeOut->xTimeOnEntering; 81d0c: 687b ldr r3, [r7, #4] 81d0e: 685b ldr r3, [r3, #4] 81d10: 69ba ldr r2, [r7, #24] 81d12: 1ad3 subs r3, r2, r3 81d14: 617b str r3, [r7, #20] } else #endif #if ( INCLUDE_vTaskSuspend == 1 ) if( *pxTicksToWait == portMAX_DELAY ) 81d16: 683b ldr r3, [r7, #0] 81d18: 681b ldr r3, [r3, #0] 81d1a: f1b3 3fff cmp.w r3, #4294967295 81d1e: d102 bne.n 81d26 { /* If INCLUDE_vTaskSuspend is set to 1 and the block time specified is the maximum block time then the task should block indefinitely, and therefore never time out. */ xReturn = pdFALSE; 81d20: 2300 movs r3, #0 81d22: 61fb str r3, [r7, #28] 81d24: e023 b.n 81d6e } else #endif if( ( xNumOfOverflows != pxTimeOut->xOverflowCount ) && ( xConstTickCount >= pxTimeOut->xTimeOnEntering ) ) /*lint !e525 Indentation preferred as is to make code within pre-processor directives clearer. */ 81d26: 687b ldr r3, [r7, #4] 81d28: 681a ldr r2, [r3, #0] 81d2a: 4b16 ldr r3, [pc, #88] ; (81d84 ) 81d2c: 681b ldr r3, [r3, #0] 81d2e: 429a cmp r2, r3 81d30: d007 beq.n 81d42 81d32: 687b ldr r3, [r7, #4] 81d34: 685a ldr r2, [r3, #4] 81d36: 69bb ldr r3, [r7, #24] 81d38: 429a cmp r2, r3 81d3a: d802 bhi.n 81d42 /* The tick count is greater than the time at which vTaskSetTimeout() was called, but has also overflowed since vTaskSetTimeOut() was called. It must have wrapped all the way around and gone past again. This passed since vTaskSetTimeout() was called. */ xReturn = pdTRUE; 81d3c: 2301 movs r3, #1 81d3e: 61fb str r3, [r7, #28] 81d40: e015 b.n 81d6e } else if( xElapsedTime < *pxTicksToWait ) /*lint !e961 Explicit casting is only redundant with some compilers, whereas others require it to prevent integer conversion errors. */ 81d42: 683b ldr r3, [r7, #0] 81d44: 681a ldr r2, [r3, #0] 81d46: 697b ldr r3, [r7, #20] 81d48: 429a cmp r2, r3 81d4a: d90b bls.n 81d64 { /* Not a genuine timeout. Adjust parameters for time remaining. */ *pxTicksToWait -= xElapsedTime; 81d4c: 683b ldr r3, [r7, #0] 81d4e: 681a ldr r2, [r3, #0] 81d50: 697b ldr r3, [r7, #20] 81d52: 1ad2 subs r2, r2, r3 81d54: 683b ldr r3, [r7, #0] 81d56: 601a str r2, [r3, #0] vTaskInternalSetTimeOutState( pxTimeOut ); 81d58: 6878 ldr r0, [r7, #4] 81d5a: 4b0b ldr r3, [pc, #44] ; (81d88 ) 81d5c: 4798 blx r3 xReturn = pdFALSE; 81d5e: 2300 movs r3, #0 81d60: 61fb str r3, [r7, #28] 81d62: e004 b.n 81d6e } else { *pxTicksToWait = 0; 81d64: 683b ldr r3, [r7, #0] 81d66: 2200 movs r2, #0 81d68: 601a str r2, [r3, #0] xReturn = pdTRUE; 81d6a: 2301 movs r3, #1 81d6c: 61fb str r3, [r7, #28] } } taskEXIT_CRITICAL(); 81d6e: 4b07 ldr r3, [pc, #28] ; (81d8c ) 81d70: 4798 blx r3 return xReturn; 81d72: 69fb ldr r3, [r7, #28] } 81d74: 4618 mov r0, r3 81d76: 3720 adds r7, #32 81d78: 46bd mov sp, r7 81d7a: bd80 pop {r7, pc} 81d7c: 000807e9 .word 0x000807e9 81d80: 2000a560 .word 0x2000a560 81d84: 2000a574 .word 0x2000a574 81d88: 00081c99 .word 0x00081c99 81d8c: 00080845 .word 0x00080845 00081d90 : /*-----------------------------------------------------------*/ void vTaskMissedYield( void ) { 81d90: b480 push {r7} 81d92: af00 add r7, sp, #0 xYieldPending = pdTRUE; 81d94: 4b03 ldr r3, [pc, #12] ; (81da4 ) 81d96: 2201 movs r2, #1 81d98: 601a str r2, [r3, #0] } 81d9a: bf00 nop 81d9c: 46bd mov sp, r7 81d9e: bc80 pop {r7} 81da0: 4770 bx lr 81da2: bf00 nop 81da4: 2000a570 .word 0x2000a570 00081da8 : * * void prvIdleTask( void *pvParameters ); * */ static portTASK_FUNCTION( prvIdleTask, pvParameters ) { 81da8: b580 push {r7, lr} 81daa: b082 sub sp, #8 81dac: af00 add r7, sp, #0 81dae: 6078 str r0, [r7, #4] for( ;; ) { /* See if any tasks have deleted themselves - if so then the idle task is responsible for freeing the deleted task's TCB and stack. */ prvCheckTasksWaitingTermination(); 81db0: 4b08 ldr r3, [pc, #32] ; (81dd4 ) 81db2: 4798 blx r3 A critical region is not required here as we are just reading from the list, and an occasional incorrect value will not matter. If the ready list at the idle priority contains more than one task then a task other than the idle task is ready to execute. */ if( listCURRENT_LIST_LENGTH( &( pxReadyTasksLists[ tskIDLE_PRIORITY ] ) ) > ( UBaseType_t ) 1 ) 81db4: 4b08 ldr r3, [pc, #32] ; (81dd8 ) 81db6: 681b ldr r3, [r3, #0] 81db8: 2b01 cmp r3, #1 81dba: d907 bls.n 81dcc { taskYIELD(); 81dbc: 4b07 ldr r3, [pc, #28] ; (81ddc ) 81dbe: f04f 5280 mov.w r2, #268435456 ; 0x10000000 81dc2: 601a str r2, [r3, #0] 81dc4: f3bf 8f4f dsb sy 81dc8: f3bf 8f6f isb sy /* Call the user defined function from within the idle task. This allows the application designer to add background functionality without the overhead of a separate task. NOTE: vApplicationIdleHook() MUST NOT, UNDER ANY CIRCUMSTANCES, CALL A FUNCTION THAT MIGHT BLOCK. */ vApplicationIdleHook(); 81dcc: 4b04 ldr r3, [pc, #16] ; (81de0 ) 81dce: 4798 blx r3 prvCheckTasksWaitingTermination(); 81dd0: e7ee b.n 81db0 81dd2: bf00 nop 81dd4: 00081e69 .word 0x00081e69 81dd8: 2000a488 .word 0x2000a488 81ddc: e000ed04 .word 0xe000ed04 81de0: 00080439 .word 0x00080439 00081de4 : #endif /* portUSING_MPU_WRAPPERS */ /*-----------------------------------------------------------*/ static void prvInitialiseTaskLists( void ) { 81de4: b580 push {r7, lr} 81de6: b082 sub sp, #8 81de8: af00 add r7, sp, #0 UBaseType_t uxPriority; for( uxPriority = ( UBaseType_t ) 0U; uxPriority < ( UBaseType_t ) configMAX_PRIORITIES; uxPriority++ ) 81dea: 2300 movs r3, #0 81dec: 607b str r3, [r7, #4] 81dee: e00c b.n 81e0a { vListInitialise( &( pxReadyTasksLists[ uxPriority ] ) ); 81df0: 687a ldr r2, [r7, #4] 81df2: 4613 mov r3, r2 81df4: 009b lsls r3, r3, #2 81df6: 4413 add r3, r2 81df8: 009b lsls r3, r3, #2 81dfa: 4a12 ldr r2, [pc, #72] ; (81e44 ) 81dfc: 4413 add r3, r2 81dfe: 4618 mov r0, r3 81e00: 4b11 ldr r3, [pc, #68] ; (81e48 ) 81e02: 4798 blx r3 for( uxPriority = ( UBaseType_t ) 0U; uxPriority < ( UBaseType_t ) configMAX_PRIORITIES; uxPriority++ ) 81e04: 687b ldr r3, [r7, #4] 81e06: 3301 adds r3, #1 81e08: 607b str r3, [r7, #4] 81e0a: 687b ldr r3, [r7, #4] 81e0c: 2b04 cmp r3, #4 81e0e: d9ef bls.n 81df0 } vListInitialise( &xDelayedTaskList1 ); 81e10: 480e ldr r0, [pc, #56] ; (81e4c ) 81e12: 4b0d ldr r3, [pc, #52] ; (81e48 ) 81e14: 4798 blx r3 vListInitialise( &xDelayedTaskList2 ); 81e16: 480e ldr r0, [pc, #56] ; (81e50 ) 81e18: 4b0b ldr r3, [pc, #44] ; (81e48 ) 81e1a: 4798 blx r3 vListInitialise( &xPendingReadyList ); 81e1c: 480d ldr r0, [pc, #52] ; (81e54 ) 81e1e: 4b0a ldr r3, [pc, #40] ; (81e48 ) 81e20: 4798 blx r3 #if ( INCLUDE_vTaskDelete == 1 ) { vListInitialise( &xTasksWaitingTermination ); 81e22: 480d ldr r0, [pc, #52] ; (81e58 ) 81e24: 4b08 ldr r3, [pc, #32] ; (81e48 ) 81e26: 4798 blx r3 } #endif /* INCLUDE_vTaskDelete */ #if ( INCLUDE_vTaskSuspend == 1 ) { vListInitialise( &xSuspendedTaskList ); 81e28: 480c ldr r0, [pc, #48] ; (81e5c ) 81e2a: 4b07 ldr r3, [pc, #28] ; (81e48 ) 81e2c: 4798 blx r3 } #endif /* INCLUDE_vTaskSuspend */ /* Start with pxDelayedTaskList using list1 and the pxOverflowDelayedTaskList using list2. */ pxDelayedTaskList = &xDelayedTaskList1; 81e2e: 4b0c ldr r3, [pc, #48] ; (81e60 ) 81e30: 4a06 ldr r2, [pc, #24] ; (81e4c ) 81e32: 601a str r2, [r3, #0] pxOverflowDelayedTaskList = &xDelayedTaskList2; 81e34: 4b0b ldr r3, [pc, #44] ; (81e64 ) 81e36: 4a06 ldr r2, [pc, #24] ; (81e50 ) 81e38: 601a str r2, [r3, #0] } 81e3a: bf00 nop 81e3c: 3708 adds r7, #8 81e3e: 46bd mov sp, r7 81e40: bd80 pop {r7, pc} 81e42: bf00 nop 81e44: 2000a488 .word 0x2000a488 81e48: 000802d9 .word 0x000802d9 81e4c: 2000a4ec .word 0x2000a4ec 81e50: 2000a500 .word 0x2000a500 81e54: 2000a51c .word 0x2000a51c 81e58: 2000a530 .word 0x2000a530 81e5c: 2000a548 .word 0x2000a548 81e60: 2000a514 .word 0x2000a514 81e64: 2000a518 .word 0x2000a518 00081e68 : /*-----------------------------------------------------------*/ static void prvCheckTasksWaitingTermination( void ) { 81e68: b580 push {r7, lr} 81e6a: b082 sub sp, #8 81e6c: af00 add r7, sp, #0 { TCB_t *pxTCB; /* uxDeletedTasksWaitingCleanUp is used to prevent taskENTER_CRITICAL() being called too often in the idle task. */ while( uxDeletedTasksWaitingCleanUp > ( UBaseType_t ) 0U ) 81e6e: e019 b.n 81ea4 { taskENTER_CRITICAL(); 81e70: 4b10 ldr r3, [pc, #64] ; (81eb4 ) 81e72: 4798 blx r3 { pxTCB = listGET_OWNER_OF_HEAD_ENTRY( ( &xTasksWaitingTermination ) ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 81e74: 4b10 ldr r3, [pc, #64] ; (81eb8 ) 81e76: 68db ldr r3, [r3, #12] 81e78: 68db ldr r3, [r3, #12] 81e7a: 607b str r3, [r7, #4] ( void ) uxListRemove( &( pxTCB->xStateListItem ) ); 81e7c: 687b ldr r3, [r7, #4] 81e7e: 3304 adds r3, #4 81e80: 4618 mov r0, r3 81e82: 4b0e ldr r3, [pc, #56] ; (81ebc ) 81e84: 4798 blx r3 --uxCurrentNumberOfTasks; 81e86: 4b0e ldr r3, [pc, #56] ; (81ec0 ) 81e88: 681b ldr r3, [r3, #0] 81e8a: 3b01 subs r3, #1 81e8c: 4a0c ldr r2, [pc, #48] ; (81ec0 ) 81e8e: 6013 str r3, [r2, #0] --uxDeletedTasksWaitingCleanUp; 81e90: 4b0c ldr r3, [pc, #48] ; (81ec4 ) 81e92: 681b ldr r3, [r3, #0] 81e94: 3b01 subs r3, #1 81e96: 4a0b ldr r2, [pc, #44] ; (81ec4 ) 81e98: 6013 str r3, [r2, #0] } taskEXIT_CRITICAL(); 81e9a: 4b0b ldr r3, [pc, #44] ; (81ec8 ) 81e9c: 4798 blx r3 prvDeleteTCB( pxTCB ); 81e9e: 6878 ldr r0, [r7, #4] 81ea0: 4b0a ldr r3, [pc, #40] ; (81ecc ) 81ea2: 4798 blx r3 while( uxDeletedTasksWaitingCleanUp > ( UBaseType_t ) 0U ) 81ea4: 4b07 ldr r3, [pc, #28] ; (81ec4 ) 81ea6: 681b ldr r3, [r3, #0] 81ea8: 2b00 cmp r3, #0 81eaa: d1e1 bne.n 81e70 } } #endif /* INCLUDE_vTaskDelete */ } 81eac: bf00 nop 81eae: 3708 adds r7, #8 81eb0: 46bd mov sp, r7 81eb2: bd80 pop {r7, pc} 81eb4: 000807e9 .word 0x000807e9 81eb8: 2000a530 .word 0x2000a530 81ebc: 000803e5 .word 0x000803e5 81ec0: 2000a55c .word 0x2000a55c 81ec4: 2000a544 .word 0x2000a544 81ec8: 00080845 .word 0x00080845 81ecc: 00081ed1 .word 0x00081ed1 00081ed0 : /*-----------------------------------------------------------*/ #if ( INCLUDE_vTaskDelete == 1 ) static void prvDeleteTCB( TCB_t *pxTCB ) { 81ed0: b580 push {r7, lr} 81ed2: b082 sub sp, #8 81ed4: af00 add r7, sp, #0 81ed6: 6078 str r0, [r7, #4] #if( ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) && ( configSUPPORT_STATIC_ALLOCATION == 0 ) && ( portUSING_MPU_WRAPPERS == 0 ) ) { /* The task can only have been allocated dynamically - free both the stack and TCB. */ vPortFree( pxTCB->pxStack ); 81ed8: 687b ldr r3, [r7, #4] 81eda: 6b1b ldr r3, [r3, #48] ; 0x30 81edc: 4618 mov r0, r3 81ede: 4b04 ldr r3, [pc, #16] ; (81ef0 ) 81ee0: 4798 blx r3 vPortFree( pxTCB ); 81ee2: 6878 ldr r0, [r7, #4] 81ee4: 4b02 ldr r3, [pc, #8] ; (81ef0 ) 81ee6: 4798 blx r3 configASSERT( pxTCB->ucStaticallyAllocated == tskSTATICALLY_ALLOCATED_STACK_AND_TCB ); mtCOVERAGE_TEST_MARKER(); } } #endif /* configSUPPORT_DYNAMIC_ALLOCATION */ } 81ee8: bf00 nop 81eea: 3708 adds r7, #8 81eec: 46bd mov sp, r7 81eee: bd80 pop {r7, pc} 81ef0: 00080291 .word 0x00080291 00081ef4 : #endif /* INCLUDE_vTaskDelete */ /*-----------------------------------------------------------*/ static void prvResetNextTaskUnblockTime( void ) { 81ef4: b480 push {r7} 81ef6: b083 sub sp, #12 81ef8: af00 add r7, sp, #0 TCB_t *pxTCB; if( listLIST_IS_EMPTY( pxDelayedTaskList ) != pdFALSE ) 81efa: 4b0c ldr r3, [pc, #48] ; (81f2c ) 81efc: 681b ldr r3, [r3, #0] 81efe: 681b ldr r3, [r3, #0] 81f00: 2b00 cmp r3, #0 81f02: d104 bne.n 81f0e { /* The new current delayed list is empty. Set xNextTaskUnblockTime to the maximum possible value so it is extremely unlikely that the if( xTickCount >= xNextTaskUnblockTime ) test will pass until there is an item in the delayed list. */ xNextTaskUnblockTime = portMAX_DELAY; 81f04: 4b0a ldr r3, [pc, #40] ; (81f30 ) 81f06: f04f 32ff mov.w r2, #4294967295 81f0a: 601a str r2, [r3, #0] which the task at the head of the delayed list should be removed from the Blocked state. */ ( pxTCB ) = listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ xNextTaskUnblockTime = listGET_LIST_ITEM_VALUE( &( ( pxTCB )->xStateListItem ) ); } } 81f0c: e008 b.n 81f20 ( pxTCB ) = listGET_OWNER_OF_HEAD_ENTRY( pxDelayedTaskList ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 81f0e: 4b07 ldr r3, [pc, #28] ; (81f2c ) 81f10: 681b ldr r3, [r3, #0] 81f12: 68db ldr r3, [r3, #12] 81f14: 68db ldr r3, [r3, #12] 81f16: 607b str r3, [r7, #4] xNextTaskUnblockTime = listGET_LIST_ITEM_VALUE( &( ( pxTCB )->xStateListItem ) ); 81f18: 687b ldr r3, [r7, #4] 81f1a: 685b ldr r3, [r3, #4] 81f1c: 4a04 ldr r2, [pc, #16] ; (81f30 ) 81f1e: 6013 str r3, [r2, #0] } 81f20: bf00 nop 81f22: 370c adds r7, #12 81f24: 46bd mov sp, r7 81f26: bc80 pop {r7} 81f28: 4770 bx lr 81f2a: bf00 nop 81f2c: 2000a514 .word 0x2000a514 81f30: 2000a57c .word 0x2000a57c 00081f34 : /*-----------------------------------------------------------*/ #if ( ( INCLUDE_xTaskGetSchedulerState == 1 ) || ( configUSE_TIMERS == 1 ) ) BaseType_t xTaskGetSchedulerState( void ) { 81f34: b480 push {r7} 81f36: b083 sub sp, #12 81f38: af00 add r7, sp, #0 BaseType_t xReturn; if( xSchedulerRunning == pdFALSE ) 81f3a: 4b0b ldr r3, [pc, #44] ; (81f68 ) 81f3c: 681b ldr r3, [r3, #0] 81f3e: 2b00 cmp r3, #0 81f40: d102 bne.n 81f48 { xReturn = taskSCHEDULER_NOT_STARTED; 81f42: 2301 movs r3, #1 81f44: 607b str r3, [r7, #4] 81f46: e008 b.n 81f5a } else { if( uxSchedulerSuspended == ( UBaseType_t ) pdFALSE ) 81f48: 4b08 ldr r3, [pc, #32] ; (81f6c ) 81f4a: 681b ldr r3, [r3, #0] 81f4c: 2b00 cmp r3, #0 81f4e: d102 bne.n 81f56 { xReturn = taskSCHEDULER_RUNNING; 81f50: 2302 movs r3, #2 81f52: 607b str r3, [r7, #4] 81f54: e001 b.n 81f5a } else { xReturn = taskSCHEDULER_SUSPENDED; 81f56: 2300 movs r3, #0 81f58: 607b str r3, [r7, #4] } } return xReturn; 81f5a: 687b ldr r3, [r7, #4] } 81f5c: 4618 mov r0, r3 81f5e: 370c adds r7, #12 81f60: 46bd mov sp, r7 81f62: bc80 pop {r7} 81f64: 4770 bx lr 81f66: bf00 nop 81f68: 2000a568 .word 0x2000a568 81f6c: 2000a584 .word 0x2000a584 00081f70 : /*-----------------------------------------------------------*/ #if ( configUSE_MUTEXES == 1 ) BaseType_t xTaskPriorityDisinherit( TaskHandle_t const pxMutexHolder ) { 81f70: b580 push {r7, lr} 81f72: b086 sub sp, #24 81f74: af00 add r7, sp, #0 81f76: 6078 str r0, [r7, #4] TCB_t * const pxTCB = pxMutexHolder; 81f78: 687b ldr r3, [r7, #4] 81f7a: 613b str r3, [r7, #16] BaseType_t xReturn = pdFALSE; 81f7c: 2300 movs r3, #0 81f7e: 617b str r3, [r7, #20] if( pxMutexHolder != NULL ) 81f80: 687b ldr r3, [r7, #4] 81f82: 2b00 cmp r3, #0 81f84: d06c beq.n 82060 { /* A task can only have an inherited priority if it holds the mutex. If the mutex is held by a task then it cannot be given from an interrupt, and if a mutex is given by the holding task then it must be the running state task. */ configASSERT( pxTCB == pxCurrentTCB ); 81f86: 4b39 ldr r3, [pc, #228] ; (8206c ) 81f88: 681b ldr r3, [r3, #0] 81f8a: 693a ldr r2, [r7, #16] 81f8c: 429a cmp r2, r3 81f8e: d009 beq.n 81fa4 81f90: f04f 03a0 mov.w r3, #160 ; 0xa0 81f94: f383 8811 msr BASEPRI, r3 81f98: f3bf 8f6f isb sy 81f9c: f3bf 8f4f dsb sy 81fa0: 60fb str r3, [r7, #12] 81fa2: e7fe b.n 81fa2 configASSERT( pxTCB->uxMutexesHeld ); 81fa4: 693b ldr r3, [r7, #16] 81fa6: 6c5b ldr r3, [r3, #68] ; 0x44 81fa8: 2b00 cmp r3, #0 81faa: d109 bne.n 81fc0 81fac: f04f 03a0 mov.w r3, #160 ; 0xa0 81fb0: f383 8811 msr BASEPRI, r3 81fb4: f3bf 8f6f isb sy 81fb8: f3bf 8f4f dsb sy 81fbc: 60bb str r3, [r7, #8] 81fbe: e7fe b.n 81fbe ( pxTCB->uxMutexesHeld )--; 81fc0: 693b ldr r3, [r7, #16] 81fc2: 6c5b ldr r3, [r3, #68] ; 0x44 81fc4: 1e5a subs r2, r3, #1 81fc6: 693b ldr r3, [r7, #16] 81fc8: 645a str r2, [r3, #68] ; 0x44 /* Has the holder of the mutex inherited the priority of another task? */ if( pxTCB->uxPriority != pxTCB->uxBasePriority ) 81fca: 693b ldr r3, [r7, #16] 81fcc: 6ada ldr r2, [r3, #44] ; 0x2c 81fce: 693b ldr r3, [r7, #16] 81fd0: 6c1b ldr r3, [r3, #64] ; 0x40 81fd2: 429a cmp r2, r3 81fd4: d044 beq.n 82060 { /* Only disinherit if no other mutexes are held. */ if( pxTCB->uxMutexesHeld == ( UBaseType_t ) 0 ) 81fd6: 693b ldr r3, [r7, #16] 81fd8: 6c5b ldr r3, [r3, #68] ; 0x44 81fda: 2b00 cmp r3, #0 81fdc: d140 bne.n 82060 /* A task can only have an inherited priority if it holds the mutex. If the mutex is held by a task then it cannot be given from an interrupt, and if a mutex is given by the holding task then it must be the running state task. Remove the holding task from the ready/delayed list. */ if( uxListRemove( &( pxTCB->xStateListItem ) ) == ( UBaseType_t ) 0 ) 81fde: 693b ldr r3, [r7, #16] 81fe0: 3304 adds r3, #4 81fe2: 4618 mov r0, r3 81fe4: 4b22 ldr r3, [pc, #136] ; (82070 ) 81fe6: 4798 blx r3 81fe8: 4603 mov r3, r0 81fea: 2b00 cmp r3, #0 81fec: d115 bne.n 8201a { taskRESET_READY_PRIORITY( pxTCB->uxPriority ); 81fee: 693b ldr r3, [r7, #16] 81ff0: 6ada ldr r2, [r3, #44] ; 0x2c 81ff2: 4920 ldr r1, [pc, #128] ; (82074 ) 81ff4: 4613 mov r3, r2 81ff6: 009b lsls r3, r3, #2 81ff8: 4413 add r3, r2 81ffa: 009b lsls r3, r3, #2 81ffc: 440b add r3, r1 81ffe: 681b ldr r3, [r3, #0] 82000: 2b00 cmp r3, #0 82002: d10a bne.n 8201a 82004: 693b ldr r3, [r7, #16] 82006: 6adb ldr r3, [r3, #44] ; 0x2c 82008: 2201 movs r2, #1 8200a: fa02 f303 lsl.w r3, r2, r3 8200e: 43da mvns r2, r3 82010: 4b19 ldr r3, [pc, #100] ; (82078 ) 82012: 681b ldr r3, [r3, #0] 82014: 4013 ands r3, r2 82016: 4a18 ldr r2, [pc, #96] ; (82078 ) 82018: 6013 str r3, [r2, #0] } /* Disinherit the priority before adding the task into the new ready list. */ traceTASK_PRIORITY_DISINHERIT( pxTCB, pxTCB->uxBasePriority ); pxTCB->uxPriority = pxTCB->uxBasePriority; 8201a: 693b ldr r3, [r7, #16] 8201c: 6c1a ldr r2, [r3, #64] ; 0x40 8201e: 693b ldr r3, [r7, #16] 82020: 62da str r2, [r3, #44] ; 0x2c /* Reset the event list item value. It cannot be in use for any other purpose if this task is running, and it must be running to give back the mutex. */ listSET_LIST_ITEM_VALUE( &( pxTCB->xEventListItem ), ( TickType_t ) configMAX_PRIORITIES - ( TickType_t ) pxTCB->uxPriority ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ 82022: 693b ldr r3, [r7, #16] 82024: 6adb ldr r3, [r3, #44] ; 0x2c 82026: f1c3 0205 rsb r2, r3, #5 8202a: 693b ldr r3, [r7, #16] 8202c: 619a str r2, [r3, #24] prvAddTaskToReadyList( pxTCB ); 8202e: 693b ldr r3, [r7, #16] 82030: 6adb ldr r3, [r3, #44] ; 0x2c 82032: 2201 movs r2, #1 82034: 409a lsls r2, r3 82036: 4b10 ldr r3, [pc, #64] ; (82078 ) 82038: 681b ldr r3, [r3, #0] 8203a: 4313 orrs r3, r2 8203c: 4a0e ldr r2, [pc, #56] ; (82078 ) 8203e: 6013 str r3, [r2, #0] 82040: 693b ldr r3, [r7, #16] 82042: 6ada ldr r2, [r3, #44] ; 0x2c 82044: 4613 mov r3, r2 82046: 009b lsls r3, r3, #2 82048: 4413 add r3, r2 8204a: 009b lsls r3, r3, #2 8204c: 4a09 ldr r2, [pc, #36] ; (82074 ) 8204e: 441a add r2, r3 82050: 693b ldr r3, [r7, #16] 82052: 3304 adds r3, #4 82054: 4619 mov r1, r3 82056: 4610 mov r0, r2 82058: 4b08 ldr r3, [pc, #32] ; (8207c ) 8205a: 4798 blx r3 in an order different to that in which they were taken. If a context switch did not occur when the first mutex was returned, even if a task was waiting on it, then a context switch should occur when the last mutex is returned whether a task is waiting on it or not. */ xReturn = pdTRUE; 8205c: 2301 movs r3, #1 8205e: 617b str r3, [r7, #20] else { mtCOVERAGE_TEST_MARKER(); } return xReturn; 82060: 697b ldr r3, [r7, #20] } 82062: 4618 mov r0, r3 82064: 3718 adds r7, #24 82066: 46bd mov sp, r7 82068: bd80 pop {r7, pc} 8206a: bf00 nop 8206c: 2000a484 .word 0x2000a484 82070: 000803e5 .word 0x000803e5 82074: 2000a488 .word 0x2000a488 82078: 2000a564 .word 0x2000a564 8207c: 0008032f .word 0x0008032f 00082080 : #endif /*-----------------------------------------------------------*/ static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait, const BaseType_t xCanBlockIndefinitely ) { 82080: b580 push {r7, lr} 82082: b084 sub sp, #16 82084: af00 add r7, sp, #0 82086: 6078 str r0, [r7, #4] 82088: 6039 str r1, [r7, #0] TickType_t xTimeToWake; const TickType_t xConstTickCount = xTickCount; 8208a: 4b29 ldr r3, [pc, #164] ; (82130 ) 8208c: 681b ldr r3, [r3, #0] 8208e: 60fb str r3, [r7, #12] } #endif /* Remove the task from the ready list before adding it to the blocked list as the same list item is used for both lists. */ if( uxListRemove( &( pxCurrentTCB->xStateListItem ) ) == ( UBaseType_t ) 0 ) 82090: 4b28 ldr r3, [pc, #160] ; (82134 ) 82092: 681b ldr r3, [r3, #0] 82094: 3304 adds r3, #4 82096: 4618 mov r0, r3 82098: 4b27 ldr r3, [pc, #156] ; (82138 ) 8209a: 4798 blx r3 8209c: 4603 mov r3, r0 8209e: 2b00 cmp r3, #0 820a0: d10b bne.n 820ba { /* The current task must be in a ready list, so there is no need to check, and the port reset macro can be called directly. */ portRESET_READY_PRIORITY( pxCurrentTCB->uxPriority, uxTopReadyPriority ); /*lint !e931 pxCurrentTCB cannot change as it is the calling task. pxCurrentTCB->uxPriority and uxTopReadyPriority cannot change as called with scheduler suspended or in a critical section. */ 820a2: 4b24 ldr r3, [pc, #144] ; (82134 ) 820a4: 681b ldr r3, [r3, #0] 820a6: 6adb ldr r3, [r3, #44] ; 0x2c 820a8: 2201 movs r2, #1 820aa: fa02 f303 lsl.w r3, r2, r3 820ae: 43da mvns r2, r3 820b0: 4b22 ldr r3, [pc, #136] ; (8213c ) 820b2: 681b ldr r3, [r3, #0] 820b4: 4013 ands r3, r2 820b6: 4a21 ldr r2, [pc, #132] ; (8213c ) 820b8: 6013 str r3, [r2, #0] mtCOVERAGE_TEST_MARKER(); } #if ( INCLUDE_vTaskSuspend == 1 ) { if( ( xTicksToWait == portMAX_DELAY ) && ( xCanBlockIndefinitely != pdFALSE ) ) 820ba: 687b ldr r3, [r7, #4] 820bc: f1b3 3fff cmp.w r3, #4294967295 820c0: d10a bne.n 820d8 820c2: 683b ldr r3, [r7, #0] 820c4: 2b00 cmp r3, #0 820c6: d007 beq.n 820d8 { /* Add the task to the suspended task list instead of a delayed task list to ensure it is not woken by a timing event. It will block indefinitely. */ vListInsertEnd( &xSuspendedTaskList, &( pxCurrentTCB->xStateListItem ) ); 820c8: 4b1a ldr r3, [pc, #104] ; (82134 ) 820ca: 681b ldr r3, [r3, #0] 820cc: 3304 adds r3, #4 820ce: 4619 mov r1, r3 820d0: 481b ldr r0, [pc, #108] ; (82140 ) 820d2: 4b1c ldr r3, [pc, #112] ; (82144 ) 820d4: 4798 blx r3 /* Avoid compiler warning when INCLUDE_vTaskSuspend is not 1. */ ( void ) xCanBlockIndefinitely; } #endif /* INCLUDE_vTaskSuspend */ } 820d6: e026 b.n 82126 xTimeToWake = xConstTickCount + xTicksToWait; 820d8: 68fa ldr r2, [r7, #12] 820da: 687b ldr r3, [r7, #4] 820dc: 4413 add r3, r2 820de: 60bb str r3, [r7, #8] listSET_LIST_ITEM_VALUE( &( pxCurrentTCB->xStateListItem ), xTimeToWake ); 820e0: 4b14 ldr r3, [pc, #80] ; (82134 ) 820e2: 681b ldr r3, [r3, #0] 820e4: 68ba ldr r2, [r7, #8] 820e6: 605a str r2, [r3, #4] if( xTimeToWake < xConstTickCount ) 820e8: 68ba ldr r2, [r7, #8] 820ea: 68fb ldr r3, [r7, #12] 820ec: 429a cmp r2, r3 820ee: d209 bcs.n 82104 vListInsert( pxOverflowDelayedTaskList, &( pxCurrentTCB->xStateListItem ) ); 820f0: 4b15 ldr r3, [pc, #84] ; (82148 ) 820f2: 681a ldr r2, [r3, #0] 820f4: 4b0f ldr r3, [pc, #60] ; (82134 ) 820f6: 681b ldr r3, [r3, #0] 820f8: 3304 adds r3, #4 820fa: 4619 mov r1, r3 820fc: 4610 mov r0, r2 820fe: 4b13 ldr r3, [pc, #76] ; (8214c ) 82100: 4798 blx r3 } 82102: e010 b.n 82126 vListInsert( pxDelayedTaskList, &( pxCurrentTCB->xStateListItem ) ); 82104: 4b12 ldr r3, [pc, #72] ; (82150 ) 82106: 681a ldr r2, [r3, #0] 82108: 4b0a ldr r3, [pc, #40] ; (82134 ) 8210a: 681b ldr r3, [r3, #0] 8210c: 3304 adds r3, #4 8210e: 4619 mov r1, r3 82110: 4610 mov r0, r2 82112: 4b0e ldr r3, [pc, #56] ; (8214c ) 82114: 4798 blx r3 if( xTimeToWake < xNextTaskUnblockTime ) 82116: 4b0f ldr r3, [pc, #60] ; (82154 ) 82118: 681b ldr r3, [r3, #0] 8211a: 68ba ldr r2, [r7, #8] 8211c: 429a cmp r2, r3 8211e: d202 bcs.n 82126 xNextTaskUnblockTime = xTimeToWake; 82120: 4a0c ldr r2, [pc, #48] ; (82154 ) 82122: 68bb ldr r3, [r7, #8] 82124: 6013 str r3, [r2, #0] } 82126: bf00 nop 82128: 3710 adds r7, #16 8212a: 46bd mov sp, r7 8212c: bd80 pop {r7, pc} 8212e: bf00 nop 82130: 2000a560 .word 0x2000a560 82134: 2000a484 .word 0x2000a484 82138: 000803e5 .word 0x000803e5 8213c: 2000a564 .word 0x2000a564 82140: 2000a548 .word 0x2000a548 82144: 0008032f .word 0x0008032f 82148: 2000a518 .word 0x2000a518 8214c: 00080375 .word 0x00080375 82150: 2000a514 .word 0x2000a514 82154: 2000a57c .word 0x2000a57c 00082158 : TimerCallbackFunction_t pxCallbackFunction, Timer_t *pxNewTimer ) PRIVILEGED_FUNCTION; /*-----------------------------------------------------------*/ BaseType_t xTimerCreateTimerTask( void ) { 82158: b590 push {r4, r7, lr} 8215a: b085 sub sp, #20 8215c: af02 add r7, sp, #8 BaseType_t xReturn = pdFAIL; 8215e: 2300 movs r3, #0 82160: 607b str r3, [r7, #4] /* This function is called when the scheduler is started if configUSE_TIMERS is set to 1. Check that the infrastructure used by the timer service task has been created/initialised. If timers have already been created then the initialisation will already have been performed. */ prvCheckForValidListAndQueue(); 82162: 4b12 ldr r3, [pc, #72] ; (821ac ) 82164: 4798 blx r3 if( xTimerQueue != NULL ) 82166: 4b12 ldr r3, [pc, #72] ; (821b0 ) 82168: 681b ldr r3, [r3, #0] 8216a: 2b00 cmp r3, #0 8216c: d00b beq.n 82186 xReturn = pdPASS; } } #else { xReturn = xTaskCreate( prvTimerTask, 8216e: 4b11 ldr r3, [pc, #68] ; (821b4 ) 82170: 9301 str r3, [sp, #4] 82172: 2302 movs r3, #2 82174: 9300 str r3, [sp, #0] 82176: 2300 movs r3, #0 82178: f44f 7282 mov.w r2, #260 ; 0x104 8217c: 490e ldr r1, [pc, #56] ; (821b8 ) 8217e: 480f ldr r0, [pc, #60] ; (821bc ) 82180: 4c0f ldr r4, [pc, #60] ; (821c0 ) 82182: 47a0 blx r4 82184: 6078 str r0, [r7, #4] else { mtCOVERAGE_TEST_MARKER(); } configASSERT( xReturn ); 82186: 687b ldr r3, [r7, #4] 82188: 2b00 cmp r3, #0 8218a: d109 bne.n 821a0 8218c: f04f 03a0 mov.w r3, #160 ; 0xa0 82190: f383 8811 msr BASEPRI, r3 82194: f3bf 8f6f isb sy 82198: f3bf 8f4f dsb sy 8219c: 603b str r3, [r7, #0] 8219e: e7fe b.n 8219e return xReturn; 821a0: 687b ldr r3, [r7, #4] } 821a2: 4618 mov r0, r3 821a4: 370c adds r7, #12 821a6: 46bd mov sp, r7 821a8: bd90 pop {r4, r7, pc} 821aa: bf00 nop 821ac: 00082775 .word 0x00082775 821b0: 2000a5b8 .word 0x2000a5b8 821b4: 2000a5bc .word 0x2000a5bc 821b8: 00082af8 .word 0x00082af8 821bc: 0008230d .word 0x0008230d 821c0: 000813c1 .word 0x000813c1 000821c4 : } } /*-----------------------------------------------------------*/ BaseType_t xTimerGenericCommand( TimerHandle_t xTimer, const BaseType_t xCommandID, const TickType_t xOptionalValue, BaseType_t * const pxHigherPriorityTaskWoken, const TickType_t xTicksToWait ) { 821c4: b590 push {r4, r7, lr} 821c6: b08b sub sp, #44 ; 0x2c 821c8: af00 add r7, sp, #0 821ca: 60f8 str r0, [r7, #12] 821cc: 60b9 str r1, [r7, #8] 821ce: 607a str r2, [r7, #4] 821d0: 603b str r3, [r7, #0] BaseType_t xReturn = pdFAIL; 821d2: 2300 movs r3, #0 821d4: 627b str r3, [r7, #36] ; 0x24 DaemonTaskMessage_t xMessage; configASSERT( xTimer ); 821d6: 68fb ldr r3, [r7, #12] 821d8: 2b00 cmp r3, #0 821da: d109 bne.n 821f0 821dc: f04f 03a0 mov.w r3, #160 ; 0xa0 821e0: f383 8811 msr BASEPRI, r3 821e4: f3bf 8f6f isb sy 821e8: f3bf 8f4f dsb sy 821ec: 623b str r3, [r7, #32] 821ee: e7fe b.n 821ee /* Send a message to the timer service task to perform a particular action on a particular timer definition. */ if( xTimerQueue != NULL ) 821f0: 4b19 ldr r3, [pc, #100] ; (82258 ) 821f2: 681b ldr r3, [r3, #0] 821f4: 2b00 cmp r3, #0 821f6: d02a beq.n 8224e { /* Send a command to the timer service task to start the xTimer timer. */ xMessage.xMessageID = xCommandID; 821f8: 68bb ldr r3, [r7, #8] 821fa: 617b str r3, [r7, #20] xMessage.u.xTimerParameters.xMessageValue = xOptionalValue; 821fc: 687b ldr r3, [r7, #4] 821fe: 61bb str r3, [r7, #24] xMessage.u.xTimerParameters.pxTimer = xTimer; 82200: 68fb ldr r3, [r7, #12] 82202: 61fb str r3, [r7, #28] if( xCommandID < tmrFIRST_FROM_ISR_COMMAND ) 82204: 68bb ldr r3, [r7, #8] 82206: 2b05 cmp r3, #5 82208: dc18 bgt.n 8223c { if( xTaskGetSchedulerState() == taskSCHEDULER_RUNNING ) 8220a: 4b14 ldr r3, [pc, #80] ; (8225c ) 8220c: 4798 blx r3 8220e: 4603 mov r3, r0 82210: 2b02 cmp r3, #2 82212: d109 bne.n 82228 { xReturn = xQueueSendToBack( xTimerQueue, &xMessage, xTicksToWait ); 82214: 4b10 ldr r3, [pc, #64] ; (82258 ) 82216: 6818 ldr r0, [r3, #0] 82218: f107 0114 add.w r1, r7, #20 8221c: 2300 movs r3, #0 8221e: 6bba ldr r2, [r7, #56] ; 0x38 82220: 4c0f ldr r4, [pc, #60] ; (82260 ) 82222: 47a0 blx r4 82224: 6278 str r0, [r7, #36] ; 0x24 82226: e012 b.n 8224e } else { xReturn = xQueueSendToBack( xTimerQueue, &xMessage, tmrNO_DELAY ); 82228: 4b0b ldr r3, [pc, #44] ; (82258 ) 8222a: 6818 ldr r0, [r3, #0] 8222c: f107 0114 add.w r1, r7, #20 82230: 2300 movs r3, #0 82232: 2200 movs r2, #0 82234: 4c0a ldr r4, [pc, #40] ; (82260 ) 82236: 47a0 blx r4 82238: 6278 str r0, [r7, #36] ; 0x24 8223a: e008 b.n 8224e } } else { xReturn = xQueueSendToBackFromISR( xTimerQueue, &xMessage, pxHigherPriorityTaskWoken ); 8223c: 4b06 ldr r3, [pc, #24] ; (82258 ) 8223e: 6818 ldr r0, [r3, #0] 82240: f107 0114 add.w r1, r7, #20 82244: 2300 movs r3, #0 82246: 683a ldr r2, [r7, #0] 82248: 4c06 ldr r4, [pc, #24] ; (82264 ) 8224a: 47a0 blx r4 8224c: 6278 str r0, [r7, #36] ; 0x24 else { mtCOVERAGE_TEST_MARKER(); } return xReturn; 8224e: 6a7b ldr r3, [r7, #36] ; 0x24 } 82250: 4618 mov r0, r3 82252: 372c adds r7, #44 ; 0x2c 82254: 46bd mov sp, r7 82256: bd90 pop {r4, r7, pc} 82258: 2000a5b8 .word 0x2000a5b8 8225c: 00081f35 .word 0x00081f35 82260: 00080b71 .word 0x00080b71 82264: 00080d95 .word 0x00080d95 00082268 : return pxTimer->pcTimerName; } /*-----------------------------------------------------------*/ static void prvProcessExpiredTimer( const TickType_t xNextExpireTime, const TickType_t xTimeNow ) { 82268: b590 push {r4, r7, lr} 8226a: b089 sub sp, #36 ; 0x24 8226c: af02 add r7, sp, #8 8226e: 6078 str r0, [r7, #4] 82270: 6039 str r1, [r7, #0] BaseType_t xResult; Timer_t * const pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList ); /*lint !e9087 !e9079 void * is used as this macro is used with tasks and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 82272: 4b22 ldr r3, [pc, #136] ; (822fc ) 82274: 681b ldr r3, [r3, #0] 82276: 68db ldr r3, [r3, #12] 82278: 68db ldr r3, [r3, #12] 8227a: 617b str r3, [r7, #20] /* Remove the timer from the list of active timers. A check has already been performed to ensure the list is not empty. */ ( void ) uxListRemove( &( pxTimer->xTimerListItem ) ); 8227c: 697b ldr r3, [r7, #20] 8227e: 3304 adds r3, #4 82280: 4618 mov r0, r3 82282: 4b1f ldr r3, [pc, #124] ; (82300 ) 82284: 4798 blx r3 traceTIMER_EXPIRED( pxTimer ); /* If the timer is an auto-reload timer then calculate the next expiry time and re-insert the timer in the list of active timers. */ if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 ) 82286: 697b ldr r3, [r7, #20] 82288: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 8228c: f003 0304 and.w r3, r3, #4 82290: 2b00 cmp r3, #0 82292: d021 beq.n 822d8 { /* The timer is inserted into a list using a time relative to anything other than the current time. It will therefore be inserted into the correct list relative to the time this task thinks it is now. */ if( prvInsertTimerInActiveList( pxTimer, ( xNextExpireTime + pxTimer->xTimerPeriodInTicks ), xTimeNow, xNextExpireTime ) != pdFALSE ) 82294: 697b ldr r3, [r7, #20] 82296: 699a ldr r2, [r3, #24] 82298: 687b ldr r3, [r7, #4] 8229a: 18d1 adds r1, r2, r3 8229c: 687b ldr r3, [r7, #4] 8229e: 683a ldr r2, [r7, #0] 822a0: 6978 ldr r0, [r7, #20] 822a2: 4c18 ldr r4, [pc, #96] ; (82304 ) 822a4: 47a0 blx r4 822a6: 4603 mov r3, r0 822a8: 2b00 cmp r3, #0 822aa: d01e beq.n 822ea { /* The timer expired before it was added to the active timer list. Reload it now. */ xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START_DONT_TRACE, xNextExpireTime, NULL, tmrNO_DELAY ); 822ac: 2300 movs r3, #0 822ae: 9300 str r3, [sp, #0] 822b0: 2300 movs r3, #0 822b2: 687a ldr r2, [r7, #4] 822b4: 2100 movs r1, #0 822b6: 6978 ldr r0, [r7, #20] 822b8: 4c13 ldr r4, [pc, #76] ; (82308 ) 822ba: 47a0 blx r4 822bc: 6138 str r0, [r7, #16] configASSERT( xResult ); 822be: 693b ldr r3, [r7, #16] 822c0: 2b00 cmp r3, #0 822c2: d112 bne.n 822ea 822c4: f04f 03a0 mov.w r3, #160 ; 0xa0 822c8: f383 8811 msr BASEPRI, r3 822cc: f3bf 8f6f isb sy 822d0: f3bf 8f4f dsb sy 822d4: 60fb str r3, [r7, #12] 822d6: e7fe b.n 822d6 mtCOVERAGE_TEST_MARKER(); } } else { pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; 822d8: 697b ldr r3, [r7, #20] 822da: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 822de: f023 0301 bic.w r3, r3, #1 822e2: b2da uxtb r2, r3 822e4: 697b ldr r3, [r7, #20] 822e6: f883 2024 strb.w r2, [r3, #36] ; 0x24 mtCOVERAGE_TEST_MARKER(); } /* Call the timer callback. */ pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); 822ea: 697b ldr r3, [r7, #20] 822ec: 6a1b ldr r3, [r3, #32] 822ee: 6978 ldr r0, [r7, #20] 822f0: 4798 blx r3 } 822f2: bf00 nop 822f4: 371c adds r7, #28 822f6: 46bd mov sp, r7 822f8: bd90 pop {r4, r7, pc} 822fa: bf00 nop 822fc: 2000a5b0 .word 0x2000a5b0 82300: 000803e5 .word 0x000803e5 82304: 00082479 .word 0x00082479 82308: 000821c5 .word 0x000821c5 0008230c : /*-----------------------------------------------------------*/ static portTASK_FUNCTION( prvTimerTask, pvParameters ) { 8230c: b580 push {r7, lr} 8230e: b084 sub sp, #16 82310: af00 add r7, sp, #0 82312: 6078 str r0, [r7, #4] for( ;; ) { /* Query the timers list to see if it contains any timers, and if so, obtain the time at which the next timer will expire. */ xNextExpireTime = prvGetNextExpireTime( &xListWasEmpty ); 82314: f107 0308 add.w r3, r7, #8 82318: 4618 mov r0, r3 8231a: 4b05 ldr r3, [pc, #20] ; (82330 ) 8231c: 4798 blx r3 8231e: 60f8 str r0, [r7, #12] /* If a timer has expired, process it. Otherwise, block this task until either a timer does expire, or a command is received. */ prvProcessTimerOrBlockTask( xNextExpireTime, xListWasEmpty ); 82320: 68bb ldr r3, [r7, #8] 82322: 4619 mov r1, r3 82324: 68f8 ldr r0, [r7, #12] 82326: 4b03 ldr r3, [pc, #12] ; (82334 ) 82328: 4798 blx r3 /* Empty the command queue. */ prvProcessReceivedCommands(); 8232a: 4b03 ldr r3, [pc, #12] ; (82338 ) 8232c: 4798 blx r3 xNextExpireTime = prvGetNextExpireTime( &xListWasEmpty ); 8232e: e7f1 b.n 82314 82330: 000823ed .word 0x000823ed 82334: 0008233d .word 0x0008233d 82338: 00082501 .word 0x00082501 0008233c : } } /*-----------------------------------------------------------*/ static void prvProcessTimerOrBlockTask( const TickType_t xNextExpireTime, BaseType_t xListWasEmpty ) { 8233c: b580 push {r7, lr} 8233e: b084 sub sp, #16 82340: af00 add r7, sp, #0 82342: 6078 str r0, [r7, #4] 82344: 6039 str r1, [r7, #0] TickType_t xTimeNow; BaseType_t xTimerListsWereSwitched; vTaskSuspendAll(); 82346: 4b21 ldr r3, [pc, #132] ; (823cc ) 82348: 4798 blx r3 /* Obtain the time now to make an assessment as to whether the timer has expired or not. If obtaining the time causes the lists to switch then don't process this timer as any timers that remained in the list when the lists were switched will have been processed within the prvSampleTimeNow() function. */ xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched ); 8234a: f107 0308 add.w r3, r7, #8 8234e: 4618 mov r0, r3 82350: 4b1f ldr r3, [pc, #124] ; (823d0 ) 82352: 4798 blx r3 82354: 60f8 str r0, [r7, #12] if( xTimerListsWereSwitched == pdFALSE ) 82356: 68bb ldr r3, [r7, #8] 82358: 2b00 cmp r3, #0 8235a: d130 bne.n 823be { /* The tick count has not overflowed, has the timer expired? */ if( ( xListWasEmpty == pdFALSE ) && ( xNextExpireTime <= xTimeNow ) ) 8235c: 683b ldr r3, [r7, #0] 8235e: 2b00 cmp r3, #0 82360: d10a bne.n 82378 82362: 687a ldr r2, [r7, #4] 82364: 68fb ldr r3, [r7, #12] 82366: 429a cmp r2, r3 82368: d806 bhi.n 82378 { ( void ) xTaskResumeAll(); 8236a: 4b1a ldr r3, [pc, #104] ; (823d4 ) 8236c: 4798 blx r3 prvProcessExpiredTimer( xNextExpireTime, xTimeNow ); 8236e: 68f9 ldr r1, [r7, #12] 82370: 6878 ldr r0, [r7, #4] 82372: 4b19 ldr r3, [pc, #100] ; (823d8 ) 82374: 4798 blx r3 else { ( void ) xTaskResumeAll(); } } } 82376: e024 b.n 823c2 if( xListWasEmpty != pdFALSE ) 82378: 683b ldr r3, [r7, #0] 8237a: 2b00 cmp r3, #0 8237c: d008 beq.n 82390 xListWasEmpty = listLIST_IS_EMPTY( pxOverflowTimerList ); 8237e: 4b17 ldr r3, [pc, #92] ; (823dc ) 82380: 681b ldr r3, [r3, #0] 82382: 681b ldr r3, [r3, #0] 82384: 2b00 cmp r3, #0 82386: d101 bne.n 8238c 82388: 2301 movs r3, #1 8238a: e000 b.n 8238e 8238c: 2300 movs r3, #0 8238e: 603b str r3, [r7, #0] vQueueWaitForMessageRestricted( xTimerQueue, ( xNextExpireTime - xTimeNow ), xListWasEmpty ); 82390: 4b13 ldr r3, [pc, #76] ; (823e0 ) 82392: 6818 ldr r0, [r3, #0] 82394: 687a ldr r2, [r7, #4] 82396: 68fb ldr r3, [r7, #12] 82398: 1ad3 subs r3, r2, r3 8239a: 683a ldr r2, [r7, #0] 8239c: 4619 mov r1, r3 8239e: 4b11 ldr r3, [pc, #68] ; (823e4 ) 823a0: 4798 blx r3 if( xTaskResumeAll() == pdFALSE ) 823a2: 4b0c ldr r3, [pc, #48] ; (823d4 ) 823a4: 4798 blx r3 823a6: 4603 mov r3, r0 823a8: 2b00 cmp r3, #0 823aa: d10a bne.n 823c2 portYIELD_WITHIN_API(); 823ac: 4b0e ldr r3, [pc, #56] ; (823e8 ) 823ae: f04f 5280 mov.w r2, #268435456 ; 0x10000000 823b2: 601a str r2, [r3, #0] 823b4: f3bf 8f4f dsb sy 823b8: f3bf 8f6f isb sy } 823bc: e001 b.n 823c2 ( void ) xTaskResumeAll(); 823be: 4b05 ldr r3, [pc, #20] ; (823d4 ) 823c0: 4798 blx r3 } 823c2: bf00 nop 823c4: 3710 adds r7, #16 823c6: 46bd mov sp, r7 823c8: bd80 pop {r7, pc} 823ca: bf00 nop 823cc: 00081705 .word 0x00081705 823d0: 00082431 .word 0x00082431 823d4: 00081721 .word 0x00081721 823d8: 00082269 .word 0x00082269 823dc: 2000a5b4 .word 0x2000a5b4 823e0: 2000a5b8 .word 0x2000a5b8 823e4: 00081349 .word 0x00081349 823e8: e000ed04 .word 0xe000ed04 000823ec : /*-----------------------------------------------------------*/ static TickType_t prvGetNextExpireTime( BaseType_t * const pxListWasEmpty ) { 823ec: b480 push {r7} 823ee: b085 sub sp, #20 823f0: af00 add r7, sp, #0 823f2: 6078 str r0, [r7, #4] the timer with the nearest expiry time will expire. If there are no active timers then just set the next expire time to 0. That will cause this task to unblock when the tick count overflows, at which point the timer lists will be switched and the next expiry time can be re-assessed. */ *pxListWasEmpty = listLIST_IS_EMPTY( pxCurrentTimerList ); 823f4: 4b0d ldr r3, [pc, #52] ; (8242c ) 823f6: 681b ldr r3, [r3, #0] 823f8: 681b ldr r3, [r3, #0] 823fa: 2b00 cmp r3, #0 823fc: d101 bne.n 82402 823fe: 2201 movs r2, #1 82400: e000 b.n 82404 82402: 2200 movs r2, #0 82404: 687b ldr r3, [r7, #4] 82406: 601a str r2, [r3, #0] if( *pxListWasEmpty == pdFALSE ) 82408: 687b ldr r3, [r7, #4] 8240a: 681b ldr r3, [r3, #0] 8240c: 2b00 cmp r3, #0 8240e: d105 bne.n 8241c { xNextExpireTime = listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxCurrentTimerList ); 82410: 4b06 ldr r3, [pc, #24] ; (8242c ) 82412: 681b ldr r3, [r3, #0] 82414: 68db ldr r3, [r3, #12] 82416: 681b ldr r3, [r3, #0] 82418: 60fb str r3, [r7, #12] 8241a: e001 b.n 82420 } else { /* Ensure the task unblocks when the tick count rolls over. */ xNextExpireTime = ( TickType_t ) 0U; 8241c: 2300 movs r3, #0 8241e: 60fb str r3, [r7, #12] } return xNextExpireTime; 82420: 68fb ldr r3, [r7, #12] } 82422: 4618 mov r0, r3 82424: 3714 adds r7, #20 82426: 46bd mov sp, r7 82428: bc80 pop {r7} 8242a: 4770 bx lr 8242c: 2000a5b0 .word 0x2000a5b0 00082430 : /*-----------------------------------------------------------*/ static TickType_t prvSampleTimeNow( BaseType_t * const pxTimerListsWereSwitched ) { 82430: b580 push {r7, lr} 82432: b084 sub sp, #16 82434: af00 add r7, sp, #0 82436: 6078 str r0, [r7, #4] TickType_t xTimeNow; PRIVILEGED_DATA static TickType_t xLastTime = ( TickType_t ) 0U; /*lint !e956 Variable is only accessible to one task. */ xTimeNow = xTaskGetTickCount(); 82438: 4b0c ldr r3, [pc, #48] ; (8246c ) 8243a: 4798 blx r3 8243c: 60f8 str r0, [r7, #12] if( xTimeNow < xLastTime ) 8243e: 4b0c ldr r3, [pc, #48] ; (82470 ) 82440: 681b ldr r3, [r3, #0] 82442: 68fa ldr r2, [r7, #12] 82444: 429a cmp r2, r3 82446: d205 bcs.n 82454 { prvSwitchTimerLists(); 82448: 4b0a ldr r3, [pc, #40] ; (82474 ) 8244a: 4798 blx r3 *pxTimerListsWereSwitched = pdTRUE; 8244c: 687b ldr r3, [r7, #4] 8244e: 2201 movs r2, #1 82450: 601a str r2, [r3, #0] 82452: e002 b.n 8245a } else { *pxTimerListsWereSwitched = pdFALSE; 82454: 687b ldr r3, [r7, #4] 82456: 2200 movs r2, #0 82458: 601a str r2, [r3, #0] } xLastTime = xTimeNow; 8245a: 4a05 ldr r2, [pc, #20] ; (82470 ) 8245c: 68fb ldr r3, [r7, #12] 8245e: 6013 str r3, [r2, #0] return xTimeNow; 82460: 68fb ldr r3, [r7, #12] } 82462: 4618 mov r0, r3 82464: 3710 adds r7, #16 82466: 46bd mov sp, r7 82468: bd80 pop {r7, pc} 8246a: bf00 nop 8246c: 00081871 .word 0x00081871 82470: 2000a5c0 .word 0x2000a5c0 82474: 000826a1 .word 0x000826a1 00082478 : /*-----------------------------------------------------------*/ static BaseType_t prvInsertTimerInActiveList( Timer_t * const pxTimer, const TickType_t xNextExpiryTime, const TickType_t xTimeNow, const TickType_t xCommandTime ) { 82478: b580 push {r7, lr} 8247a: b086 sub sp, #24 8247c: af00 add r7, sp, #0 8247e: 60f8 str r0, [r7, #12] 82480: 60b9 str r1, [r7, #8] 82482: 607a str r2, [r7, #4] 82484: 603b str r3, [r7, #0] BaseType_t xProcessTimerNow = pdFALSE; 82486: 2300 movs r3, #0 82488: 617b str r3, [r7, #20] listSET_LIST_ITEM_VALUE( &( pxTimer->xTimerListItem ), xNextExpiryTime ); 8248a: 68fb ldr r3, [r7, #12] 8248c: 68ba ldr r2, [r7, #8] 8248e: 605a str r2, [r3, #4] listSET_LIST_ITEM_OWNER( &( pxTimer->xTimerListItem ), pxTimer ); 82490: 68fb ldr r3, [r7, #12] 82492: 68fa ldr r2, [r7, #12] 82494: 611a str r2, [r3, #16] if( xNextExpiryTime <= xTimeNow ) 82496: 68ba ldr r2, [r7, #8] 82498: 687b ldr r3, [r7, #4] 8249a: 429a cmp r2, r3 8249c: d812 bhi.n 824c4 { /* Has the expiry time elapsed between the command to start/reset a timer was issued, and the time the command was processed? */ if( ( ( TickType_t ) ( xTimeNow - xCommandTime ) ) >= pxTimer->xTimerPeriodInTicks ) /*lint !e961 MISRA exception as the casts are only redundant for some ports. */ 8249e: 687a ldr r2, [r7, #4] 824a0: 683b ldr r3, [r7, #0] 824a2: 1ad2 subs r2, r2, r3 824a4: 68fb ldr r3, [r7, #12] 824a6: 699b ldr r3, [r3, #24] 824a8: 429a cmp r2, r3 824aa: d302 bcc.n 824b2 { /* The time between a command being issued and the command being processed actually exceeds the timers period. */ xProcessTimerNow = pdTRUE; 824ac: 2301 movs r3, #1 824ae: 617b str r3, [r7, #20] 824b0: e01b b.n 824ea } else { vListInsert( pxOverflowTimerList, &( pxTimer->xTimerListItem ) ); 824b2: 4b10 ldr r3, [pc, #64] ; (824f4 ) 824b4: 681a ldr r2, [r3, #0] 824b6: 68fb ldr r3, [r7, #12] 824b8: 3304 adds r3, #4 824ba: 4619 mov r1, r3 824bc: 4610 mov r0, r2 824be: 4b0e ldr r3, [pc, #56] ; (824f8 ) 824c0: 4798 blx r3 824c2: e012 b.n 824ea } } else { if( ( xTimeNow < xCommandTime ) && ( xNextExpiryTime >= xCommandTime ) ) 824c4: 687a ldr r2, [r7, #4] 824c6: 683b ldr r3, [r7, #0] 824c8: 429a cmp r2, r3 824ca: d206 bcs.n 824da 824cc: 68ba ldr r2, [r7, #8] 824ce: 683b ldr r3, [r7, #0] 824d0: 429a cmp r2, r3 824d2: d302 bcc.n 824da { /* If, since the command was issued, the tick count has overflowed but the expiry time has not, then the timer must have already passed its expiry time and should be processed immediately. */ xProcessTimerNow = pdTRUE; 824d4: 2301 movs r3, #1 824d6: 617b str r3, [r7, #20] 824d8: e007 b.n 824ea } else { vListInsert( pxCurrentTimerList, &( pxTimer->xTimerListItem ) ); 824da: 4b08 ldr r3, [pc, #32] ; (824fc ) 824dc: 681a ldr r2, [r3, #0] 824de: 68fb ldr r3, [r7, #12] 824e0: 3304 adds r3, #4 824e2: 4619 mov r1, r3 824e4: 4610 mov r0, r2 824e6: 4b04 ldr r3, [pc, #16] ; (824f8 ) 824e8: 4798 blx r3 } } return xProcessTimerNow; 824ea: 697b ldr r3, [r7, #20] } 824ec: 4618 mov r0, r3 824ee: 3718 adds r7, #24 824f0: 46bd mov sp, r7 824f2: bd80 pop {r7, pc} 824f4: 2000a5b4 .word 0x2000a5b4 824f8: 00080375 .word 0x00080375 824fc: 2000a5b0 .word 0x2000a5b0 00082500 : /*-----------------------------------------------------------*/ static void prvProcessReceivedCommands( void ) { 82500: b590 push {r4, r7, lr} 82502: b08d sub sp, #52 ; 0x34 82504: af02 add r7, sp, #8 DaemonTaskMessage_t xMessage; Timer_t *pxTimer; BaseType_t xTimerListsWereSwitched, xResult; TickType_t xTimeNow; while( xQueueReceive( xTimerQueue, &xMessage, tmrNO_DELAY ) != pdFAIL ) /*lint !e603 xMessage does not have to be initialised as it is passed out, not in, and it is not used unless xQueueReceive() returns pdTRUE. */ 82506: e0ac b.n 82662 } #endif /* INCLUDE_xTimerPendFunctionCall */ /* Commands that are positive are timer commands rather than pended function calls. */ if( xMessage.xMessageID >= ( BaseType_t ) 0 ) 82508: 68bb ldr r3, [r7, #8] 8250a: 2b00 cmp r3, #0 8250c: f2c0 80a9 blt.w 82662 { /* The messages uses the xTimerParameters member to work on a software timer. */ pxTimer = xMessage.u.xTimerParameters.pxTimer; 82510: 693b ldr r3, [r7, #16] 82512: 627b str r3, [r7, #36] ; 0x24 if( listIS_CONTAINED_WITHIN( NULL, &( pxTimer->xTimerListItem ) ) == pdFALSE ) /*lint !e961. The cast is only redundant when NULL is passed into the macro. */ 82514: 6a7b ldr r3, [r7, #36] ; 0x24 82516: 695b ldr r3, [r3, #20] 82518: 2b00 cmp r3, #0 8251a: d004 beq.n 82526 { /* The timer is in a list, remove it. */ ( void ) uxListRemove( &( pxTimer->xTimerListItem ) ); 8251c: 6a7b ldr r3, [r7, #36] ; 0x24 8251e: 3304 adds r3, #4 82520: 4618 mov r0, r3 82522: 4b58 ldr r3, [pc, #352] ; (82684 ) 82524: 4798 blx r3 it must be present in the function call. prvSampleTimeNow() must be called after the message is received from xTimerQueue so there is no possibility of a higher priority task adding a message to the message queue with a time that is ahead of the timer daemon task (because it pre-empted the timer daemon task after the xTimeNow value was set). */ xTimeNow = prvSampleTimeNow( &xTimerListsWereSwitched ); 82526: 1d3b adds r3, r7, #4 82528: 4618 mov r0, r3 8252a: 4b57 ldr r3, [pc, #348] ; (82688 ) 8252c: 4798 blx r3 8252e: 6238 str r0, [r7, #32] switch( xMessage.xMessageID ) 82530: 68bb ldr r3, [r7, #8] 82532: 2b09 cmp r3, #9 82534: f200 8094 bhi.w 82660 82538: a201 add r2, pc, #4 ; (adr r2, 82540 ) 8253a: f852 f023 ldr.w pc, [r2, r3, lsl #2] 8253e: bf00 nop 82540: 00082569 .word 0x00082569 82544: 00082569 .word 0x00082569 82548: 00082569 .word 0x00082569 8254c: 000825db .word 0x000825db 82550: 000825ef .word 0x000825ef 82554: 00082637 .word 0x00082637 82558: 00082569 .word 0x00082569 8255c: 00082569 .word 0x00082569 82560: 000825db .word 0x000825db 82564: 000825ef .word 0x000825ef case tmrCOMMAND_START_FROM_ISR : case tmrCOMMAND_RESET : case tmrCOMMAND_RESET_FROM_ISR : case tmrCOMMAND_START_DONT_TRACE : /* Start or restart a timer. */ pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE; 82568: 6a7b ldr r3, [r7, #36] ; 0x24 8256a: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 8256e: f043 0301 orr.w r3, r3, #1 82572: b2da uxtb r2, r3 82574: 6a7b ldr r3, [r7, #36] ; 0x24 82576: f883 2024 strb.w r2, [r3, #36] ; 0x24 if( prvInsertTimerInActiveList( pxTimer, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, xTimeNow, xMessage.u.xTimerParameters.xMessageValue ) != pdFALSE ) 8257a: 68fa ldr r2, [r7, #12] 8257c: 6a7b ldr r3, [r7, #36] ; 0x24 8257e: 699b ldr r3, [r3, #24] 82580: 18d1 adds r1, r2, r3 82582: 68fb ldr r3, [r7, #12] 82584: 6a3a ldr r2, [r7, #32] 82586: 6a78 ldr r0, [r7, #36] ; 0x24 82588: 4c40 ldr r4, [pc, #256] ; (8268c ) 8258a: 47a0 blx r4 8258c: 4603 mov r3, r0 8258e: 2b00 cmp r3, #0 82590: d067 beq.n 82662 { /* The timer expired before it was added to the active timer list. Process it now. */ pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); 82592: 6a7b ldr r3, [r7, #36] ; 0x24 82594: 6a1b ldr r3, [r3, #32] 82596: 6a78 ldr r0, [r7, #36] ; 0x24 82598: 4798 blx r3 traceTIMER_EXPIRED( pxTimer ); if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 ) 8259a: 6a7b ldr r3, [r7, #36] ; 0x24 8259c: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 825a0: f003 0304 and.w r3, r3, #4 825a4: 2b00 cmp r3, #0 825a6: d05c beq.n 82662 { xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START_DONT_TRACE, xMessage.u.xTimerParameters.xMessageValue + pxTimer->xTimerPeriodInTicks, NULL, tmrNO_DELAY ); 825a8: 68fa ldr r2, [r7, #12] 825aa: 6a7b ldr r3, [r7, #36] ; 0x24 825ac: 699b ldr r3, [r3, #24] 825ae: 441a add r2, r3 825b0: 2300 movs r3, #0 825b2: 9300 str r3, [sp, #0] 825b4: 2300 movs r3, #0 825b6: 2100 movs r1, #0 825b8: 6a78 ldr r0, [r7, #36] ; 0x24 825ba: 4c35 ldr r4, [pc, #212] ; (82690 ) 825bc: 47a0 blx r4 825be: 61f8 str r0, [r7, #28] configASSERT( xResult ); 825c0: 69fb ldr r3, [r7, #28] 825c2: 2b00 cmp r3, #0 825c4: d14d bne.n 82662 825c6: f04f 03a0 mov.w r3, #160 ; 0xa0 825ca: f383 8811 msr BASEPRI, r3 825ce: f3bf 8f6f isb sy 825d2: f3bf 8f4f dsb sy 825d6: 61bb str r3, [r7, #24] 825d8: e7fe b.n 825d8 break; case tmrCOMMAND_STOP : case tmrCOMMAND_STOP_FROM_ISR : /* The timer has already been removed from the active list. */ pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; 825da: 6a7b ldr r3, [r7, #36] ; 0x24 825dc: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 825e0: f023 0301 bic.w r3, r3, #1 825e4: b2da uxtb r2, r3 825e6: 6a7b ldr r3, [r7, #36] ; 0x24 825e8: f883 2024 strb.w r2, [r3, #36] ; 0x24 break; 825ec: e039 b.n 82662 case tmrCOMMAND_CHANGE_PERIOD : case tmrCOMMAND_CHANGE_PERIOD_FROM_ISR : pxTimer->ucStatus |= tmrSTATUS_IS_ACTIVE; 825ee: 6a7b ldr r3, [r7, #36] ; 0x24 825f0: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 825f4: f043 0301 orr.w r3, r3, #1 825f8: b2da uxtb r2, r3 825fa: 6a7b ldr r3, [r7, #36] ; 0x24 825fc: f883 2024 strb.w r2, [r3, #36] ; 0x24 pxTimer->xTimerPeriodInTicks = xMessage.u.xTimerParameters.xMessageValue; 82600: 68fa ldr r2, [r7, #12] 82602: 6a7b ldr r3, [r7, #36] ; 0x24 82604: 619a str r2, [r3, #24] configASSERT( ( pxTimer->xTimerPeriodInTicks > 0 ) ); 82606: 6a7b ldr r3, [r7, #36] ; 0x24 82608: 699b ldr r3, [r3, #24] 8260a: 2b00 cmp r3, #0 8260c: d109 bne.n 82622 8260e: f04f 03a0 mov.w r3, #160 ; 0xa0 82612: f383 8811 msr BASEPRI, r3 82616: f3bf 8f6f isb sy 8261a: f3bf 8f4f dsb sy 8261e: 617b str r3, [r7, #20] 82620: e7fe b.n 82620 be longer or shorter than the old one. The command time is therefore set to the current time, and as the period cannot be zero the next expiry time can only be in the future, meaning (unlike for the xTimerStart() case above) there is no fail case that needs to be handled here. */ ( void ) prvInsertTimerInActiveList( pxTimer, ( xTimeNow + pxTimer->xTimerPeriodInTicks ), xTimeNow, xTimeNow ); 82622: 6a7b ldr r3, [r7, #36] ; 0x24 82624: 699a ldr r2, [r3, #24] 82626: 6a3b ldr r3, [r7, #32] 82628: 18d1 adds r1, r2, r3 8262a: 6a3b ldr r3, [r7, #32] 8262c: 6a3a ldr r2, [r7, #32] 8262e: 6a78 ldr r0, [r7, #36] ; 0x24 82630: 4c16 ldr r4, [pc, #88] ; (8268c ) 82632: 47a0 blx r4 break; 82634: e015 b.n 82662 #if ( configSUPPORT_DYNAMIC_ALLOCATION == 1 ) { /* The timer has already been removed from the active list, just free up the memory if the memory was dynamically allocated. */ if( ( pxTimer->ucStatus & tmrSTATUS_IS_STATICALLY_ALLOCATED ) == ( uint8_t ) 0 ) 82636: 6a7b ldr r3, [r7, #36] ; 0x24 82638: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 8263c: f003 0302 and.w r3, r3, #2 82640: 2b00 cmp r3, #0 82642: d103 bne.n 8264c { vPortFree( pxTimer ); 82644: 6a78 ldr r0, [r7, #36] ; 0x24 82646: 4b13 ldr r3, [pc, #76] ; (82694 ) 82648: 4798 blx r3 8264a: e00a b.n 82662 } else { pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; 8264c: 6a7b ldr r3, [r7, #36] ; 0x24 8264e: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 82652: f023 0301 bic.w r3, r3, #1 82656: b2da uxtb r2, r3 82658: 6a7b ldr r3, [r7, #36] ; 0x24 8265a: f883 2024 strb.w r2, [r3, #36] ; 0x24 no need to free the memory - just mark the timer as "not active". */ pxTimer->ucStatus &= ~tmrSTATUS_IS_ACTIVE; } #endif /* configSUPPORT_DYNAMIC_ALLOCATION */ break; 8265e: e000 b.n 82662 default : /* Don't expect to get here. */ break; 82660: bf00 nop while( xQueueReceive( xTimerQueue, &xMessage, tmrNO_DELAY ) != pdFAIL ) /*lint !e603 xMessage does not have to be initialised as it is passed out, not in, and it is not used unless xQueueReceive() returns pdTRUE. */ 82662: 4b0d ldr r3, [pc, #52] ; (82698 ) 82664: 681b ldr r3, [r3, #0] 82666: f107 0108 add.w r1, r7, #8 8266a: 2200 movs r2, #0 8266c: 4618 mov r0, r3 8266e: 4b0b ldr r3, [pc, #44] ; (8269c ) 82670: 4798 blx r3 82672: 4603 mov r3, r0 82674: 2b00 cmp r3, #0 82676: f47f af47 bne.w 82508 } } } } 8267a: bf00 nop 8267c: 372c adds r7, #44 ; 0x2c 8267e: 46bd mov sp, r7 82680: bd90 pop {r4, r7, pc} 82682: bf00 nop 82684: 000803e5 .word 0x000803e5 82688: 00082431 .word 0x00082431 8268c: 00082479 .word 0x00082479 82690: 000821c5 .word 0x000821c5 82694: 00080291 .word 0x00080291 82698: 2000a5b8 .word 0x2000a5b8 8269c: 00080ed1 .word 0x00080ed1 000826a0 : /*-----------------------------------------------------------*/ static void prvSwitchTimerLists( void ) { 826a0: b590 push {r4, r7, lr} 826a2: b089 sub sp, #36 ; 0x24 826a4: af02 add r7, sp, #8 /* The tick count has overflowed. The timer lists must be switched. If there are any timers still referenced from the current timer list then they must have expired and should be processed before the lists are switched. */ while( listLIST_IS_EMPTY( pxCurrentTimerList ) == pdFALSE ) 826a6: e047 b.n 82738 { xNextExpireTime = listGET_ITEM_VALUE_OF_HEAD_ENTRY( pxCurrentTimerList ); 826a8: 4b2d ldr r3, [pc, #180] ; (82760 ) 826aa: 681b ldr r3, [r3, #0] 826ac: 68db ldr r3, [r3, #12] 826ae: 681b ldr r3, [r3, #0] 826b0: 617b str r3, [r7, #20] /* Remove the timer from the list. */ pxTimer = ( Timer_t * ) listGET_OWNER_OF_HEAD_ENTRY( pxCurrentTimerList ); /*lint !e9087 !e9079 void * is used as this macro is used with tasks and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ 826b2: 4b2b ldr r3, [pc, #172] ; (82760 ) 826b4: 681b ldr r3, [r3, #0] 826b6: 68db ldr r3, [r3, #12] 826b8: 68db ldr r3, [r3, #12] 826ba: 613b str r3, [r7, #16] ( void ) uxListRemove( &( pxTimer->xTimerListItem ) ); 826bc: 693b ldr r3, [r7, #16] 826be: 3304 adds r3, #4 826c0: 4618 mov r0, r3 826c2: 4b28 ldr r3, [pc, #160] ; (82764 ) 826c4: 4798 blx r3 traceTIMER_EXPIRED( pxTimer ); /* Execute its callback, then send a command to restart the timer if it is an auto-reload timer. It cannot be restarted here as the lists have not yet been switched. */ pxTimer->pxCallbackFunction( ( TimerHandle_t ) pxTimer ); 826c6: 693b ldr r3, [r7, #16] 826c8: 6a1b ldr r3, [r3, #32] 826ca: 6938 ldr r0, [r7, #16] 826cc: 4798 blx r3 if( ( pxTimer->ucStatus & tmrSTATUS_IS_AUTORELOAD ) != 0 ) 826ce: 693b ldr r3, [r7, #16] 826d0: f893 3024 ldrb.w r3, [r3, #36] ; 0x24 826d4: f003 0304 and.w r3, r3, #4 826d8: 2b00 cmp r3, #0 826da: d02d beq.n 82738 the timer going into the same timer list then it has already expired and the timer should be re-inserted into the current list so it is processed again within this loop. Otherwise a command should be sent to restart the timer to ensure it is only inserted into a list after the lists have been swapped. */ xReloadTime = ( xNextExpireTime + pxTimer->xTimerPeriodInTicks ); 826dc: 693b ldr r3, [r7, #16] 826de: 699a ldr r2, [r3, #24] 826e0: 697b ldr r3, [r7, #20] 826e2: 4413 add r3, r2 826e4: 60fb str r3, [r7, #12] if( xReloadTime > xNextExpireTime ) 826e6: 68fa ldr r2, [r7, #12] 826e8: 697b ldr r3, [r7, #20] 826ea: 429a cmp r2, r3 826ec: d90e bls.n 8270c { listSET_LIST_ITEM_VALUE( &( pxTimer->xTimerListItem ), xReloadTime ); 826ee: 693b ldr r3, [r7, #16] 826f0: 68fa ldr r2, [r7, #12] 826f2: 605a str r2, [r3, #4] listSET_LIST_ITEM_OWNER( &( pxTimer->xTimerListItem ), pxTimer ); 826f4: 693b ldr r3, [r7, #16] 826f6: 693a ldr r2, [r7, #16] 826f8: 611a str r2, [r3, #16] vListInsert( pxCurrentTimerList, &( pxTimer->xTimerListItem ) ); 826fa: 4b19 ldr r3, [pc, #100] ; (82760 ) 826fc: 681a ldr r2, [r3, #0] 826fe: 693b ldr r3, [r7, #16] 82700: 3304 adds r3, #4 82702: 4619 mov r1, r3 82704: 4610 mov r0, r2 82706: 4b18 ldr r3, [pc, #96] ; (82768 ) 82708: 4798 blx r3 8270a: e015 b.n 82738 } else { xResult = xTimerGenericCommand( pxTimer, tmrCOMMAND_START_DONT_TRACE, xNextExpireTime, NULL, tmrNO_DELAY ); 8270c: 2300 movs r3, #0 8270e: 9300 str r3, [sp, #0] 82710: 2300 movs r3, #0 82712: 697a ldr r2, [r7, #20] 82714: 2100 movs r1, #0 82716: 6938 ldr r0, [r7, #16] 82718: 4c14 ldr r4, [pc, #80] ; (8276c ) 8271a: 47a0 blx r4 8271c: 60b8 str r0, [r7, #8] configASSERT( xResult ); 8271e: 68bb ldr r3, [r7, #8] 82720: 2b00 cmp r3, #0 82722: d109 bne.n 82738 82724: f04f 03a0 mov.w r3, #160 ; 0xa0 82728: f383 8811 msr BASEPRI, r3 8272c: f3bf 8f6f isb sy 82730: f3bf 8f4f dsb sy 82734: 603b str r3, [r7, #0] 82736: e7fe b.n 82736 while( listLIST_IS_EMPTY( pxCurrentTimerList ) == pdFALSE ) 82738: 4b09 ldr r3, [pc, #36] ; (82760 ) 8273a: 681b ldr r3, [r3, #0] 8273c: 681b ldr r3, [r3, #0] 8273e: 2b00 cmp r3, #0 82740: d1b2 bne.n 826a8 { mtCOVERAGE_TEST_MARKER(); } } pxTemp = pxCurrentTimerList; 82742: 4b07 ldr r3, [pc, #28] ; (82760 ) 82744: 681b ldr r3, [r3, #0] 82746: 607b str r3, [r7, #4] pxCurrentTimerList = pxOverflowTimerList; 82748: 4b09 ldr r3, [pc, #36] ; (82770 ) 8274a: 681b ldr r3, [r3, #0] 8274c: 4a04 ldr r2, [pc, #16] ; (82760 ) 8274e: 6013 str r3, [r2, #0] pxOverflowTimerList = pxTemp; 82750: 4a07 ldr r2, [pc, #28] ; (82770 ) 82752: 687b ldr r3, [r7, #4] 82754: 6013 str r3, [r2, #0] } 82756: bf00 nop 82758: 371c adds r7, #28 8275a: 46bd mov sp, r7 8275c: bd90 pop {r4, r7, pc} 8275e: bf00 nop 82760: 2000a5b0 .word 0x2000a5b0 82764: 000803e5 .word 0x000803e5 82768: 00080375 .word 0x00080375 8276c: 000821c5 .word 0x000821c5 82770: 2000a5b4 .word 0x2000a5b4 00082774 : /*-----------------------------------------------------------*/ static void prvCheckForValidListAndQueue( void ) { 82774: b580 push {r7, lr} 82776: af00 add r7, sp, #0 /* Check that the list from which active timers are referenced, and the queue used to communicate with the timer service, have been initialised. */ taskENTER_CRITICAL(); 82778: 4b0e ldr r3, [pc, #56] ; (827b4 ) 8277a: 4798 blx r3 { if( xTimerQueue == NULL ) 8277c: 4b0e ldr r3, [pc, #56] ; (827b8 ) 8277e: 681b ldr r3, [r3, #0] 82780: 2b00 cmp r3, #0 82782: d113 bne.n 827ac { vListInitialise( &xActiveTimerList1 ); 82784: 480d ldr r0, [pc, #52] ; (827bc ) 82786: 4b0e ldr r3, [pc, #56] ; (827c0 ) 82788: 4798 blx r3 vListInitialise( &xActiveTimerList2 ); 8278a: 480e ldr r0, [pc, #56] ; (827c4 ) 8278c: 4b0c ldr r3, [pc, #48] ; (827c0 ) 8278e: 4798 blx r3 pxCurrentTimerList = &xActiveTimerList1; 82790: 4b0d ldr r3, [pc, #52] ; (827c8 ) 82792: 4a0a ldr r2, [pc, #40] ; (827bc ) 82794: 601a str r2, [r3, #0] pxOverflowTimerList = &xActiveTimerList2; 82796: 4b0d ldr r3, [pc, #52] ; (827cc ) 82798: 4a0a ldr r2, [pc, #40] ; (827c4 ) 8279a: 601a str r2, [r3, #0] xTimerQueue = xQueueCreateStatic( ( UBaseType_t ) configTIMER_QUEUE_LENGTH, ( UBaseType_t ) sizeof( DaemonTaskMessage_t ), &( ucStaticTimerQueueStorage[ 0 ] ), &xStaticTimerQueue ); } #else { xTimerQueue = xQueueCreate( ( UBaseType_t ) configTIMER_QUEUE_LENGTH, sizeof( DaemonTaskMessage_t ) ); 8279c: 2200 movs r2, #0 8279e: 210c movs r1, #12 827a0: 2005 movs r0, #5 827a2: 4b0b ldr r3, [pc, #44] ; (827d0 ) 827a4: 4798 blx r3 827a6: 4602 mov r2, r0 827a8: 4b03 ldr r3, [pc, #12] ; (827b8 ) 827aa: 601a str r2, [r3, #0] else { mtCOVERAGE_TEST_MARKER(); } } taskEXIT_CRITICAL(); 827ac: 4b09 ldr r3, [pc, #36] ; (827d4 ) 827ae: 4798 blx r3 } 827b0: bf00 nop 827b2: bd80 pop {r7, pc} 827b4: 000807e9 .word 0x000807e9 827b8: 2000a5b8 .word 0x2000a5b8 827bc: 2000a588 .word 0x2000a588 827c0: 000802d9 .word 0x000802d9 827c4: 2000a59c .word 0x2000a59c 827c8: 2000a5b0 .word 0x2000a5b0 827cc: 2000a5b4 .word 0x2000a5b4 827d0: 00080ab9 .word 0x00080ab9 827d4: 00080845 .word 0x00080845 000827d8 <__libc_init_array>: 827d8: b570 push {r4, r5, r6, lr} 827da: 4e0f ldr r6, [pc, #60] ; (82818 <__libc_init_array+0x40>) 827dc: 4d0f ldr r5, [pc, #60] ; (8281c <__libc_init_array+0x44>) 827de: 1b76 subs r6, r6, r5 827e0: 10b6 asrs r6, r6, #2 827e2: bf18 it ne 827e4: 2400 movne r4, #0 827e6: d005 beq.n 827f4 <__libc_init_array+0x1c> 827e8: 3401 adds r4, #1 827ea: f855 3b04 ldr.w r3, [r5], #4 827ee: 4798 blx r3 827f0: 42a6 cmp r6, r4 827f2: d1f9 bne.n 827e8 <__libc_init_array+0x10> 827f4: 4e0a ldr r6, [pc, #40] ; (82820 <__libc_init_array+0x48>) 827f6: 4d0b ldr r5, [pc, #44] ; (82824 <__libc_init_array+0x4c>) 827f8: f000 f984 bl 82b04 <_init> 827fc: 1b76 subs r6, r6, r5 827fe: 10b6 asrs r6, r6, #2 82800: bf18 it ne 82802: 2400 movne r4, #0 82804: d006 beq.n 82814 <__libc_init_array+0x3c> 82806: 3401 adds r4, #1 82808: f855 3b04 ldr.w r3, [r5], #4 8280c: 4798 blx r3 8280e: 42a6 cmp r6, r4 82810: d1f9 bne.n 82806 <__libc_init_array+0x2e> 82812: bd70 pop {r4, r5, r6, pc} 82814: bd70 pop {r4, r5, r6, pc} 82816: bf00 nop 82818: 00082b10 .word 0x00082b10 8281c: 00082b10 .word 0x00082b10 82820: 00082b18 .word 0x00082b18 82824: 00082b10 .word 0x00082b10 00082828 : 82828: 4684 mov ip, r0 8282a: ea41 0300 orr.w r3, r1, r0 8282e: f013 0303 ands.w r3, r3, #3 82832: d149 bne.n 828c8 82834: 3a40 subs r2, #64 ; 0x40 82836: d323 bcc.n 82880 82838: 680b ldr r3, [r1, #0] 8283a: 6003 str r3, [r0, #0] 8283c: 684b ldr r3, [r1, #4] 8283e: 6043 str r3, [r0, #4] 82840: 688b ldr r3, [r1, #8] 82842: 6083 str r3, [r0, #8] 82844: 68cb ldr r3, [r1, #12] 82846: 60c3 str r3, [r0, #12] 82848: 690b ldr r3, [r1, #16] 8284a: 6103 str r3, [r0, #16] 8284c: 694b ldr r3, [r1, #20] 8284e: 6143 str r3, [r0, #20] 82850: 698b ldr r3, [r1, #24] 82852: 6183 str r3, [r0, #24] 82854: 69cb ldr r3, [r1, #28] 82856: 61c3 str r3, [r0, #28] 82858: 6a0b ldr r3, [r1, #32] 8285a: 6203 str r3, [r0, #32] 8285c: 6a4b ldr r3, [r1, #36] ; 0x24 8285e: 6243 str r3, [r0, #36] ; 0x24 82860: 6a8b ldr r3, [r1, #40] ; 0x28 82862: 6283 str r3, [r0, #40] ; 0x28 82864: 6acb ldr r3, [r1, #44] ; 0x2c 82866: 62c3 str r3, [r0, #44] ; 0x2c 82868: 6b0b ldr r3, [r1, #48] ; 0x30 8286a: 6303 str r3, [r0, #48] ; 0x30 8286c: 6b4b ldr r3, [r1, #52] ; 0x34 8286e: 6343 str r3, [r0, #52] ; 0x34 82870: 6b8b ldr r3, [r1, #56] ; 0x38 82872: 6383 str r3, [r0, #56] ; 0x38 82874: 6bcb ldr r3, [r1, #60] ; 0x3c 82876: 63c3 str r3, [r0, #60] ; 0x3c 82878: 3040 adds r0, #64 ; 0x40 8287a: 3140 adds r1, #64 ; 0x40 8287c: 3a40 subs r2, #64 ; 0x40 8287e: d2db bcs.n 82838 82880: 3230 adds r2, #48 ; 0x30 82882: d30b bcc.n 8289c 82884: 680b ldr r3, [r1, #0] 82886: 6003 str r3, [r0, #0] 82888: 684b ldr r3, [r1, #4] 8288a: 6043 str r3, [r0, #4] 8288c: 688b ldr r3, [r1, #8] 8288e: 6083 str r3, [r0, #8] 82890: 68cb ldr r3, [r1, #12] 82892: 60c3 str r3, [r0, #12] 82894: 3010 adds r0, #16 82896: 3110 adds r1, #16 82898: 3a10 subs r2, #16 8289a: d2f3 bcs.n 82884 8289c: 320c adds r2, #12 8289e: d305 bcc.n 828ac 828a0: f851 3b04 ldr.w r3, [r1], #4 828a4: f840 3b04 str.w r3, [r0], #4 828a8: 3a04 subs r2, #4 828aa: d2f9 bcs.n 828a0 828ac: 3204 adds r2, #4 828ae: d008 beq.n 828c2 828b0: 07d2 lsls r2, r2, #31 828b2: bf1c itt ne 828b4: f811 3b01 ldrbne.w r3, [r1], #1 828b8: f800 3b01 strbne.w r3, [r0], #1 828bc: d301 bcc.n 828c2 828be: 880b ldrh r3, [r1, #0] 828c0: 8003 strh r3, [r0, #0] 828c2: 4660 mov r0, ip 828c4: 4770 bx lr 828c6: bf00 nop 828c8: 2a08 cmp r2, #8 828ca: d313 bcc.n 828f4 828cc: 078b lsls r3, r1, #30 828ce: d0b1 beq.n 82834 828d0: f010 0303 ands.w r3, r0, #3 828d4: d0ae beq.n 82834 828d6: f1c3 0304 rsb r3, r3, #4 828da: 1ad2 subs r2, r2, r3 828dc: 07db lsls r3, r3, #31 828de: bf1c itt ne 828e0: f811 3b01 ldrbne.w r3, [r1], #1 828e4: f800 3b01 strbne.w r3, [r0], #1 828e8: d3a4 bcc.n 82834 828ea: f831 3b02 ldrh.w r3, [r1], #2 828ee: f820 3b02 strh.w r3, [r0], #2 828f2: e79f b.n 82834 828f4: 3a04 subs r2, #4 828f6: d3d9 bcc.n 828ac 828f8: 3a01 subs r2, #1 828fa: f811 3b01 ldrb.w r3, [r1], #1 828fe: f800 3b01 strb.w r3, [r0], #1 82902: d2f9 bcs.n 828f8 82904: 780b ldrb r3, [r1, #0] 82906: 7003 strb r3, [r0, #0] 82908: 784b ldrb r3, [r1, #1] 8290a: 7043 strb r3, [r0, #1] 8290c: 788b ldrb r3, [r1, #2] 8290e: 7083 strb r3, [r0, #2] 82910: 4660 mov r0, ip 82912: 4770 bx lr 00082914 : 82914: b470 push {r4, r5, r6} 82916: 0786 lsls r6, r0, #30 82918: d046 beq.n 829a8 8291a: 1e54 subs r4, r2, #1 8291c: 2a00 cmp r2, #0 8291e: d041 beq.n 829a4 82920: b2ca uxtb r2, r1 82922: 4603 mov r3, r0 82924: e002 b.n 8292c 82926: f114 34ff adds.w r4, r4, #4294967295 8292a: d33b bcc.n 829a4 8292c: f803 2b01 strb.w r2, [r3], #1 82930: 079d lsls r5, r3, #30 82932: d1f8 bne.n 82926 82934: 2c03 cmp r4, #3 82936: d92e bls.n 82996 82938: b2cd uxtb r5, r1 8293a: ea45 2505 orr.w r5, r5, r5, lsl #8 8293e: 2c0f cmp r4, #15 82940: ea45 4505 orr.w r5, r5, r5, lsl #16 82944: d919 bls.n 8297a 82946: 4626 mov r6, r4 82948: f103 0210 add.w r2, r3, #16 8294c: 3e10 subs r6, #16 8294e: 2e0f cmp r6, #15 82950: f842 5c10 str.w r5, [r2, #-16] 82954: f842 5c0c str.w r5, [r2, #-12] 82958: f842 5c08 str.w r5, [r2, #-8] 8295c: f842 5c04 str.w r5, [r2, #-4] 82960: f102 0210 add.w r2, r2, #16 82964: d8f2 bhi.n 8294c 82966: f1a4 0210 sub.w r2, r4, #16 8296a: f022 020f bic.w r2, r2, #15 8296e: f004 040f and.w r4, r4, #15 82972: 3210 adds r2, #16 82974: 2c03 cmp r4, #3 82976: 4413 add r3, r2 82978: d90d bls.n 82996 8297a: 461e mov r6, r3 8297c: 4622 mov r2, r4 8297e: 3a04 subs r2, #4 82980: 2a03 cmp r2, #3 82982: f846 5b04 str.w r5, [r6], #4 82986: d8fa bhi.n 8297e 82988: 1f22 subs r2, r4, #4 8298a: f022 0203 bic.w r2, r2, #3 8298e: 3204 adds r2, #4 82990: 4413 add r3, r2 82992: f004 0403 and.w r4, r4, #3 82996: b12c cbz r4, 829a4 82998: b2c9 uxtb r1, r1 8299a: 441c add r4, r3 8299c: f803 1b01 strb.w r1, [r3], #1 829a0: 429c cmp r4, r3 829a2: d1fb bne.n 8299c 829a4: bc70 pop {r4, r5, r6} 829a6: 4770 bx lr 829a8: 4614 mov r4, r2 829aa: 4603 mov r3, r0 829ac: e7c2 b.n 82934 829ae: bf00 nop 000829b0 : 829b0: 4b02 ldr r3, [pc, #8] ; (829bc ) 829b2: b113 cbz r3, 829ba 829b4: 4802 ldr r0, [pc, #8] ; (829c0 ) 829b6: f000 b805 b.w 829c4 829ba: 4770 bx lr 829bc: 00000000 .word 0x00000000 829c0: 000829d1 .word 0x000829d1 000829c4 : 829c4: 2300 movs r3, #0 829c6: 4601 mov r1, r0 829c8: 461a mov r2, r3 829ca: 4618 mov r0, r3 829cc: f000 b81e b.w 82a0c <__register_exitproc> 000829d0 <__libc_fini_array>: 829d0: b538 push {r3, r4, r5, lr} 829d2: 4c0a ldr r4, [pc, #40] ; (829fc <__libc_fini_array+0x2c>) 829d4: 4d0a ldr r5, [pc, #40] ; (82a00 <__libc_fini_array+0x30>) 829d6: 1b64 subs r4, r4, r5 829d8: 10a4 asrs r4, r4, #2 829da: d00a beq.n 829f2 <__libc_fini_array+0x22> 829dc: f104 4380 add.w r3, r4, #1073741824 ; 0x40000000 829e0: 3b01 subs r3, #1 829e2: eb05 0583 add.w r5, r5, r3, lsl #2 829e6: 3c01 subs r4, #1 829e8: f855 3904 ldr.w r3, [r5], #-4 829ec: 4798 blx r3 829ee: 2c00 cmp r4, #0 829f0: d1f9 bne.n 829e6 <__libc_fini_array+0x16> 829f2: e8bd 4038 ldmia.w sp!, {r3, r4, r5, lr} 829f6: f000 b88f b.w 82b18 <_fini> 829fa: bf00 nop 829fc: 00082b28 .word 0x00082b28 82a00: 00082b24 .word 0x00082b24 00082a04 <__retarget_lock_acquire_recursive>: 82a04: 4770 bx lr 82a06: bf00 nop 00082a08 <__retarget_lock_release_recursive>: 82a08: 4770 bx lr 82a0a: bf00 nop 00082a0c <__register_exitproc>: 82a0c: e92d 43f8 stmdb sp!, {r3, r4, r5, r6, r7, r8, r9, lr} 82a10: 4d2c ldr r5, [pc, #176] ; (82ac4 <__register_exitproc+0xb8>) 82a12: 4606 mov r6, r0 82a14: 6828 ldr r0, [r5, #0] 82a16: 4698 mov r8, r3 82a18: 460f mov r7, r1 82a1a: 4691 mov r9, r2 82a1c: f7ff fff2 bl 82a04 <__retarget_lock_acquire_recursive> 82a20: 4b29 ldr r3, [pc, #164] ; (82ac8 <__register_exitproc+0xbc>) 82a22: 681c ldr r4, [r3, #0] 82a24: f8d4 3148 ldr.w r3, [r4, #328] ; 0x148 82a28: 2b00 cmp r3, #0 82a2a: d03e beq.n 82aaa <__register_exitproc+0x9e> 82a2c: 685a ldr r2, [r3, #4] 82a2e: 2a1f cmp r2, #31 82a30: dc1c bgt.n 82a6c <__register_exitproc+0x60> 82a32: f102 0e01 add.w lr, r2, #1 82a36: b176 cbz r6, 82a56 <__register_exitproc+0x4a> 82a38: 2101 movs r1, #1 82a3a: eb03 0482 add.w r4, r3, r2, lsl #2 82a3e: f8c4 9088 str.w r9, [r4, #136] ; 0x88 82a42: f8d3 0188 ldr.w r0, [r3, #392] ; 0x188 82a46: 4091 lsls r1, r2 82a48: 4308 orrs r0, r1 82a4a: 2e02 cmp r6, #2 82a4c: f8c3 0188 str.w r0, [r3, #392] ; 0x188 82a50: f8c4 8108 str.w r8, [r4, #264] ; 0x108 82a54: d023 beq.n 82a9e <__register_exitproc+0x92> 82a56: 3202 adds r2, #2 82a58: f8c3 e004 str.w lr, [r3, #4] 82a5c: 6828 ldr r0, [r5, #0] 82a5e: f843 7022 str.w r7, [r3, r2, lsl #2] 82a62: f7ff ffd1 bl 82a08 <__retarget_lock_release_recursive> 82a66: 2000 movs r0, #0 82a68: e8bd 83f8 ldmia.w sp!, {r3, r4, r5, r6, r7, r8, r9, pc} 82a6c: 4b17 ldr r3, [pc, #92] ; (82acc <__register_exitproc+0xc0>) 82a6e: b30b cbz r3, 82ab4 <__register_exitproc+0xa8> 82a70: f44f 70c8 mov.w r0, #400 ; 0x190 82a74: f3af 8000 nop.w 82a78: 4603 mov r3, r0 82a7a: b1d8 cbz r0, 82ab4 <__register_exitproc+0xa8> 82a7c: 2000 movs r0, #0 82a7e: f8d4 1148 ldr.w r1, [r4, #328] ; 0x148 82a82: f04f 0e01 mov.w lr, #1 82a86: 6058 str r0, [r3, #4] 82a88: 6019 str r1, [r3, #0] 82a8a: 4602 mov r2, r0 82a8c: f8c4 3148 str.w r3, [r4, #328] ; 0x148 82a90: f8c3 0188 str.w r0, [r3, #392] ; 0x188 82a94: f8c3 018c str.w r0, [r3, #396] ; 0x18c 82a98: 2e00 cmp r6, #0 82a9a: d0dc beq.n 82a56 <__register_exitproc+0x4a> 82a9c: e7cc b.n 82a38 <__register_exitproc+0x2c> 82a9e: f8d3 018c ldr.w r0, [r3, #396] ; 0x18c 82aa2: 4301 orrs r1, r0 82aa4: f8c3 118c str.w r1, [r3, #396] ; 0x18c 82aa8: e7d5 b.n 82a56 <__register_exitproc+0x4a> 82aaa: f504 73a6 add.w r3, r4, #332 ; 0x14c 82aae: f8c4 3148 str.w r3, [r4, #328] ; 0x148 82ab2: e7bb b.n 82a2c <__register_exitproc+0x20> 82ab4: 6828 ldr r0, [r5, #0] 82ab6: f7ff ffa7 bl 82a08 <__retarget_lock_release_recursive> 82aba: f04f 30ff mov.w r0, #4294967295 82abe: e8bd 83f8 ldmia.w sp!, {r3, r4, r5, r6, r7, r8, r9, pc} 82ac2: bf00 nop 82ac4: 20000430 .word 0x20000430 82ac8: 00082b00 .word 0x00082b00 82acc: 00000000 .word 0x00000000 00082ad0 : 82ad0: 01c80064 646e6553 00317265 646e6553 d...Sender1.Send 82ae0: 00327265 65636552 72657669 00000000 er2.Receiver.... 82af0: 454c4449 00000000 20726d54 00637653 IDLE....Tmr Svc. 00082b00 <_global_impure_ptr>: 82b00: 20000008 ... 00082b04 <_init>: 82b04: b5f8 push {r3, r4, r5, r6, r7, lr} 82b06: bf00 nop 82b08: bcf8 pop {r3, r4, r5, r6, r7} 82b0a: bc08 pop {r3} 82b0c: 469e mov lr, r3 82b0e: 4770 bx lr 00082b10 <__init_array_start>: 82b10: 000829b1 .word 0x000829b1 00082b14 <__frame_dummy_init_array_entry>: 82b14: 00080119 .... 00082b18 <_fini>: 82b18: b5f8 push {r3, r4, r5, r6, r7, lr} 82b1a: bf00 nop 82b1c: bcf8 pop {r3, r4, r5, r6, r7} 82b1e: bc08 pop {r3} 82b20: 469e mov lr, r3 82b22: 4770 bx lr 00082b24 <__fini_array_start>: 82b24: 000800f5 .word 0x000800f5