a0015330 <_CORE_message_queue_Broadcast>: { Thread_Control *the_thread; uint32_t number_broadcasted; Thread_Wait_information *waitp; if ( size > the_message_queue->maximum_message_size ) { a0015330: e590304c ldr r3, [r0, #76] ; 0x4c Objects_Id id __attribute__((unused)), CORE_message_queue_API_mp_support_callout api_message_queue_mp_support __attribute__((unused)), #endif uint32_t *count ) { a0015334: e92d45f0 push {r4, r5, r6, r7, r8, sl, lr} Thread_Control *the_thread; uint32_t number_broadcasted; Thread_Wait_information *waitp; if ( size > the_message_queue->maximum_message_size ) { a0015338: e1520003 cmp r2, r3 Objects_Id id __attribute__((unused)), CORE_message_queue_API_mp_support_callout api_message_queue_mp_support __attribute__((unused)), #endif uint32_t *count ) { a001533c: e1a06000 mov r6, r0 a0015340: e1a07002 mov r7, r2 a0015344: e1a0a001 mov sl, r1 a0015348: e59d8020 ldr r8, [sp, #32] Thread_Control *the_thread; uint32_t number_broadcasted; Thread_Wait_information *waitp; if ( size > the_message_queue->maximum_message_size ) { a001534c: 9a000001 bls a0015358 <_CORE_message_queue_Broadcast+0x28> a0015350: e3a00001 mov r0, #1 <== NOT EXECUTED a0015354: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} <== NOT EXECUTED * NOTE: This check is critical because threads can block on * send and receive and this ensures that we are broadcasting * the message to threads waiting to receive -- not to send. */ if ( the_message_queue->number_of_pending_messages != 0 ) { a0015358: e5905048 ldr r5, [r0, #72] ; 0x48 a001535c: e3550000 cmp r5, #0 a0015360: 0a000009 beq a001538c <_CORE_message_queue_Broadcast+0x5c> *count = 0; a0015364: e3a00000 mov r0, #0 a0015368: e5880000 str r0, [r8] return CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL; a001536c: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} const void *source, void *destination, size_t size ) { memcpy(destination, source, size); a0015370: e594002c ldr r0, [r4, #44] ; 0x2c a0015374: e1a0100a mov r1, sl a0015378: e1a02007 mov r2, r7 a001537c: eb001f1b bl a001cff0 buffer, waitp->return_argument_second.mutable_object, size ); *(size_t *) the_thread->Wait.return_argument = size; a0015380: e5943028 ldr r3, [r4, #40] ; 0x28 */ number_broadcasted = 0; while ((the_thread = _Thread_queue_Dequeue(&the_message_queue->Wait_queue))) { waitp = &the_thread->Wait; number_broadcasted += 1; a0015384: e2855001 add r5, r5, #1 buffer, waitp->return_argument_second.mutable_object, size ); *(size_t *) the_thread->Wait.return_argument = size; a0015388: e5837000 str r7, [r3] * There must be no pending messages if there is a thread waiting to * receive a message. */ number_broadcasted = 0; while ((the_thread = _Thread_queue_Dequeue(&the_message_queue->Wait_queue))) { a001538c: e1a00006 mov r0, r6 a0015390: eb000991 bl a00179dc <_Thread_queue_Dequeue> /* * There must be no pending messages if there is a thread waiting to * receive a message. */ number_broadcasted = 0; while ((the_thread = a0015394: e2504000 subs r4, r0, #0 a0015398: 1afffff4 bne a0015370 <_CORE_message_queue_Broadcast+0x40> if ( !_Objects_Is_local_id( the_thread->Object.id ) ) (*api_message_queue_mp_support) ( the_thread, id ); #endif } *count = number_broadcasted; a001539c: e5885000 str r5, [r8] a00153a0: e1a00004 mov r0, r4 return CORE_MESSAGE_QUEUE_STATUS_SUCCESSFUL; } a00153a4: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} a000985c <_CORE_mutex_Seize_interrupt_trylock>: { Thread_Control *executing; /* disabled when you get here */ executing = _Thread_Executing; a000985c: e59f2120 ldr r2, [pc, #288] ; a0009984 <_CORE_mutex_Seize_interrupt_trylock+0x128> executing->Wait.return_code = CORE_MUTEX_STATUS_SUCCESSFUL; a0009860: e3a03000 mov r3, #0 #if defined(__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__) int _CORE_mutex_Seize_interrupt_trylock( CORE_mutex_Control *the_mutex, ISR_Level *level_p ) { a0009864: e52de004 push {lr} ; (str lr, [sp, #-4]!) { Thread_Control *executing; /* disabled when you get here */ executing = _Thread_Executing; a0009868: e5922000 ldr r2, [r2] executing->Wait.return_code = CORE_MUTEX_STATUS_SUCCESSFUL; a000986c: e5823034 str r3, [r2, #52] ; 0x34 if ( !_CORE_mutex_Is_locked( the_mutex ) ) { a0009870: e590c050 ldr ip, [r0, #80] ; 0x50 a0009874: e15c0003 cmp ip, r3 a0009878: 0a00002c beq a0009930 <_CORE_mutex_Seize_interrupt_trylock+0xd4> the_mutex->lock = CORE_MUTEX_LOCKED; a000987c: e5803050 str r3, [r0, #80] ; 0x50 the_mutex->holder = executing; the_mutex->holder_id = executing->Object.id; a0009880: e592c008 ldr ip, [r2, #8] */ RTEMS_INLINE_ROUTINE bool _CORE_mutex_Is_inherit_priority( CORE_mutex_Attributes *the_attribute ) { return the_attribute->discipline == CORE_MUTEX_DISCIPLINES_PRIORITY_INHERIT; a0009884: e5903048 ldr r3, [r0, #72] ; 0x48 executing = _Thread_Executing; executing->Wait.return_code = CORE_MUTEX_STATUS_SUCCESSFUL; if ( !_CORE_mutex_Is_locked( the_mutex ) ) { the_mutex->lock = CORE_MUTEX_LOCKED; the_mutex->holder = executing; a0009888: e580205c str r2, [r0, #92] ; 0x5c the_mutex->holder_id = executing->Object.id; a000988c: e580c060 str ip, [r0, #96] ; 0x60 the_mutex->nest_count = 1; if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) || a0009890: e3530002 cmp r3, #2 executing->Wait.return_code = CORE_MUTEX_STATUS_SUCCESSFUL; if ( !_CORE_mutex_Is_locked( the_mutex ) ) { the_mutex->lock = CORE_MUTEX_LOCKED; the_mutex->holder = executing; the_mutex->holder_id = executing->Object.id; the_mutex->nest_count = 1; a0009894: e3a0c001 mov ip, #1 a0009898: e580c054 str ip, [r0, #84] ; 0x54 if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) || a000989c: 0a000001 beq a00098a8 <_CORE_mutex_Seize_interrupt_trylock+0x4c> a00098a0: e3530003 cmp r3, #3 a00098a4: 1a000004 bne a00098bc <_CORE_mutex_Seize_interrupt_trylock+0x60> _Chain_Prepend_unprotected( &executing->lock_mutex, &the_mutex->queue.lock_queue ); the_mutex->queue.priority_before = executing->current_priority; #endif executing->resource_count++; a00098a8: e592c01c ldr ip, [r2, #28] } if ( !_CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) { a00098ac: e3530003 cmp r3, #3 _Chain_Prepend_unprotected( &executing->lock_mutex, &the_mutex->queue.lock_queue ); the_mutex->queue.priority_before = executing->current_priority; #endif executing->resource_count++; a00098b0: e28c3001 add r3, ip, #1 a00098b4: e582301c str r3, [r2, #28] } if ( !_CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) { a00098b8: 0a000000 beq a00098c0 <_CORE_mutex_Seize_interrupt_trylock+0x64> _ISR_Enable( *level_p ); a00098bc: ea00002a b a000996c <_CORE_mutex_Seize_interrupt_trylock+0x110> */ { Priority_Control ceiling; Priority_Control current; ceiling = the_mutex->Attributes.priority_ceiling; a00098c0: e590304c ldr r3, [r0, #76] ; 0x4c current = executing->current_priority; a00098c4: e592c014 ldr ip, [r2, #20] if ( current == ceiling ) { a00098c8: e15c0003 cmp ip, r3 a00098cc: 1a000000 bne a00098d4 <_CORE_mutex_Seize_interrupt_trylock+0x78> _ISR_Enable( *level_p ); a00098d0: ea000025 b a000996c <_CORE_mutex_Seize_interrupt_trylock+0x110> return 0; } if ( current > ceiling ) { a00098d4: 9a00000b bls a0009908 <_CORE_mutex_Seize_interrupt_trylock+0xac> rtems_fatal_error_occurred( 99 ); } } #endif _Thread_Dispatch_disable_level += 1; a00098d8: e59f30a8 ldr r3, [pc, #168] ; a0009988 <_CORE_mutex_Seize_interrupt_trylock+0x12c> a00098dc: e5932000 ldr r2, [r3] a00098e0: e2822001 add r2, r2, #1 a00098e4: e5832000 str r2, [r3] a00098e8: e5913000 ldr r3, [r1] a00098ec: e129f003 msr CPSR_fc, r3 _Thread_Disable_dispatch(); _ISR_Enable( *level_p ); _Thread_Change_priority( a00098f0: e3a02000 mov r2, #0 a00098f4: e590104c ldr r1, [r0, #76] ; 0x4c a00098f8: e590005c ldr r0, [r0, #92] ; 0x5c a00098fc: ebfff27c bl a00062f4 <_Thread_Change_priority> the_mutex->holder, the_mutex->Attributes.priority_ceiling, false ); _Thread_Enable_dispatch(); a0009900: ebfff3df bl a0006884 <_Thread_Enable_dispatch> a0009904: ea00001a b a0009974 <_CORE_mutex_Seize_interrupt_trylock+0x118> return 0; } /* if ( current < ceiling ) */ { executing->Wait.return_code = CORE_MUTEX_STATUS_CEILING_VIOLATED; a0009908: e3a03006 mov r3, #6 a000990c: e5823034 str r3, [r2, #52] ; 0x34 the_mutex->lock = CORE_MUTEX_UNLOCKED; the_mutex->nest_count = 0; /* undo locking above */ a0009910: e3a03000 mov r3, #0 a0009914: e5803054 str r3, [r0, #84] ; 0x54 _Thread_Enable_dispatch(); return 0; } /* if ( current < ceiling ) */ { executing->Wait.return_code = CORE_MUTEX_STATUS_CEILING_VIOLATED; the_mutex->lock = CORE_MUTEX_UNLOCKED; a0009918: e2833001 add r3, r3, #1 a000991c: e5803050 str r3, [r0, #80] ; 0x50 the_mutex->nest_count = 0; /* undo locking above */ executing->resource_count--; /* undo locking above */ a0009920: e592301c ldr r3, [r2, #28] a0009924: e2433001 sub r3, r3, #1 a0009928: e582301c str r3, [r2, #28] _ISR_Enable( *level_p ); a000992c: ea00000e b a000996c <_CORE_mutex_Seize_interrupt_trylock+0x110> /* * At this point, we know the mutex was not available. If this thread * is the thread that has locked the mutex, let's see if we are allowed * to nest access. */ if ( _Thread_Is_executing( the_mutex->holder ) ) { a0009930: e590305c ldr r3, [r0, #92] ; 0x5c a0009934: e1530002 cmp r3, r2 a0009938: 1a00000f bne a000997c <_CORE_mutex_Seize_interrupt_trylock+0x120> switch ( the_mutex->Attributes.lock_nesting_behavior ) { a000993c: e5902040 ldr r2, [r0, #64] ; 0x40 a0009940: e3520000 cmp r2, #0 a0009944: 0a000002 beq a0009954 <_CORE_mutex_Seize_interrupt_trylock+0xf8> a0009948: e3520001 cmp r2, #1 a000994c: 1a00000a bne a000997c <_CORE_mutex_Seize_interrupt_trylock+0x120> a0009950: ea000003 b a0009964 <_CORE_mutex_Seize_interrupt_trylock+0x108><== NOT EXECUTED case CORE_MUTEX_NESTING_ACQUIRES: the_mutex->nest_count++; a0009954: e5903054 ldr r3, [r0, #84] ; 0x54 a0009958: e2833001 add r3, r3, #1 a000995c: e5803054 str r3, [r0, #84] ; 0x54 _ISR_Enable( *level_p ); a0009960: ea000001 b a000996c <_CORE_mutex_Seize_interrupt_trylock+0x110> return 0; case CORE_MUTEX_NESTING_IS_ERROR: executing->Wait.return_code = CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED; a0009964: e3a02002 mov r2, #2 <== NOT EXECUTED a0009968: e5832034 str r2, [r3, #52] ; 0x34 <== NOT EXECUTED a000996c: e5913000 ldr r3, [r1] a0009970: e129f003 msr CPSR_fc, r3 a0009974: e3a00000 mov r0, #0 a0009978: e49df004 pop {pc} ; (ldr pc, [sp], #4) a000997c: e3a00001 mov r0, #1 return _CORE_mutex_Seize_interrupt_trylock_body( the_mutex, level_p ); } a0009980: e49df004 pop {pc} ; (ldr pc, [sp], #4) a0009984: a0018e20 .word 0xa0018e20 a0009988: a0018d6c .word 0xa0018d6c a000ea8c <_Heap_Extend>: Heap_Control *heap, void *area_begin_ptr, uintptr_t area_size, uintptr_t *amount_extended ) { a000ea8c: e92d41f0 push {r4, r5, r6, r7, r8, lr} a000ea90: e1a04000 mov r4, r0 Heap_Statistics *const stats = &heap->stats; uintptr_t const area_begin = (uintptr_t) area_begin_ptr; uintptr_t const heap_area_begin = heap->area_begin; a000ea94: e594c018 ldr ip, [r4, #24] uintptr_t const heap_area_end = heap->area_end; a000ea98: e590001c ldr r0, [r0, #28] Heap_Control *heap, void *area_begin_ptr, uintptr_t area_size, uintptr_t *amount_extended ) { a000ea9c: e1a08003 mov r8, r3 uintptr_t const area_begin = (uintptr_t) area_begin_ptr; uintptr_t const heap_area_begin = heap->area_begin; uintptr_t const heap_area_end = heap->area_end; uintptr_t const new_heap_area_end = heap_area_end + area_size; uintptr_t extend_size = 0; Heap_Block *const last_block = heap->last_block; a000eaa0: e5946024 ldr r6, [r4, #36] ; 0x24 uintptr_t *amount_extended ) { Heap_Statistics *const stats = &heap->stats; uintptr_t const area_begin = (uintptr_t) area_begin_ptr; uintptr_t const heap_area_begin = heap->area_begin; a000eaa4: e1510000 cmp r1, r0 a000eaa8: 23a05000 movcs r5, #0 a000eaac: 33a05001 movcc r5, #1 a000eab0: e151000c cmp r1, ip a000eab4: 33a05000 movcc r5, #0 a000eab8: e3550000 cmp r5, #0 a000eabc: 0a000001 beq a000eac8 <_Heap_Extend+0x3c> a000eac0: e3a00001 mov r0, #1 a000eac4: e8bd81f0 pop {r4, r5, r6, r7, r8, pc} * As noted, this code only supports (4). */ if ( area_begin >= heap_area_begin && area_begin < heap_area_end ) { return HEAP_EXTEND_ERROR; /* case 3 */ } else if ( area_begin != heap_area_end ) { a000eac8: e1510000 cmp r1, r0 a000eacc: 0a000001 beq a000ead8 <_Heap_Extend+0x4c> a000ead0: e3a00002 mov r0, #2 a000ead4: e8bd81f0 pop {r4, r5, r6, r7, r8, pc} * block and free it. */ heap->area_end = new_heap_area_end; extend_size = new_heap_area_end a000ead8: e3e07007 mvn r7, #7 { Heap_Statistics *const stats = &heap->stats; uintptr_t const area_begin = (uintptr_t) area_begin_ptr; uintptr_t const heap_area_begin = heap->area_begin; uintptr_t const heap_area_end = heap->area_end; uintptr_t const new_heap_area_end = heap_area_end + area_size; a000eadc: e0821001 add r1, r2, r1 * block and free it. */ heap->area_end = new_heap_area_end; extend_size = new_heap_area_end a000eae0: e0667007 rsb r7, r6, r7 a000eae4: e0877001 add r7, r7, r1 * Currently only case 4 should make it to this point. * The basic trick is to make the extend area look like a used * block and free it. */ heap->area_end = new_heap_area_end; a000eae8: e584101c str r1, [r4, #28] RTEMS_INLINE_ROUTINE uintptr_t _Heap_Align_down( uintptr_t value, uintptr_t alignment ) { return value - (value % alignment); a000eaec: e1a00007 mov r0, r7 a000eaf0: e5941010 ldr r1, [r4, #16] a000eaf4: ebffd140 bl a0002ffc <__umodsi3> a000eaf8: e0600007 rsb r0, r0, r7 extend_size = new_heap_area_end - (uintptr_t) last_block - HEAP_BLOCK_HEADER_SIZE; extend_size = _Heap_Align_down( extend_size, heap->page_size ); *amount_extended = extend_size; a000eafc: e5880000 str r0, [r8] if( extend_size >= heap->min_block_size ) { a000eb00: e5943014 ldr r3, [r4, #20] a000eb04: e1500003 cmp r0, r3 a000eb08: 2a000001 bcs a000eb14 <_Heap_Extend+0x88> a000eb0c: e1a00005 mov r0, r5 <== NOT EXECUTED a000eb10: e8bd81f0 pop {r4, r5, r6, r7, r8, pc} <== NOT EXECUTED uintptr_t size ) { uintptr_t flag = block->size_and_flag & HEAP_PREV_BLOCK_USED; block->size_and_flag = size | flag; a000eb14: e5961004 ldr r1, [r6, #4] Heap_Block *const new_last_block = _Heap_Block_at( last_block, extend_size ); _Heap_Block_set_size( last_block, extend_size ); new_last_block->size_and_flag = a000eb18: e5942020 ldr r2, [r4, #32] RTEMS_INLINE_ROUTINE Heap_Block *_Heap_Block_at( const Heap_Block *block, uintptr_t offset ) { return (Heap_Block *) ((uintptr_t) block + offset); a000eb1c: e0803006 add r3, r0, r6 uintptr_t size ) { uintptr_t flag = block->size_and_flag & HEAP_PREV_BLOCK_USED; block->size_and_flag = size | flag; a000eb20: e2011001 and r1, r1, #1 a000eb24: e0632002 rsb r2, r3, r2 a000eb28: e1801001 orr r1, r0, r1 a000eb2c: e3822001 orr r2, r2, #1 a000eb30: e5861004 str r1, [r6, #4] a000eb34: e5832004 str r2, [r3, #4] | HEAP_PREV_BLOCK_USED; heap->last_block = new_last_block; /* Statistics */ stats->size += extend_size; a000eb38: e594702c ldr r7, [r4, #44] ; 0x2c ++stats->used_blocks; a000eb3c: e5941040 ldr r1, [r4, #64] ; 0x40 --stats->frees; /* Do not count subsequent call as actual free() */ a000eb40: e5942050 ldr r2, [r4, #80] ; 0x50 | HEAP_PREV_BLOCK_USED; heap->last_block = new_last_block; /* Statistics */ stats->size += extend_size; a000eb44: e0870000 add r0, r7, r0 ++stats->used_blocks; a000eb48: e2811001 add r1, r1, #1 --stats->frees; /* Do not count subsequent call as actual free() */ a000eb4c: e2422001 sub r2, r2, #1 | HEAP_PREV_BLOCK_USED; heap->last_block = new_last_block; /* Statistics */ stats->size += extend_size; a000eb50: e584002c str r0, [r4, #44] ; 0x2c ++stats->used_blocks; a000eb54: e5841040 str r1, [r4, #64] ; 0x40 new_last_block->size_and_flag = ((uintptr_t) heap->first_block - (uintptr_t) new_last_block) | HEAP_PREV_BLOCK_USED; heap->last_block = new_last_block; a000eb58: e5843024 str r3, [r4, #36] ; 0x24 /* Statistics */ stats->size += extend_size; ++stats->used_blocks; --stats->frees; /* Do not count subsequent call as actual free() */ a000eb5c: e5842050 str r2, [r4, #80] ; 0x50 _Heap_Free( heap, (void *) _Heap_Alloc_area_of_block( last_block )); a000eb60: e1a00004 mov r0, r4 a000eb64: e2861008 add r1, r6, #8 a000eb68: ebffec2e bl a0009c28 <_Heap_Free> a000eb6c: e1a00005 mov r0, r5 } return HEAP_EXTEND_SUCCESSFUL; } a000eb70: e8bd81f0 pop {r4, r5, r6, r7, r8, pc} a0006df4 <_Thread_queue_Enqueue_priority>: Priority_Control priority; States_Control block_state; _Chain_Initialize_empty( &the_thread->Wait.Block2n ); priority = the_thread->current_priority; a0006df4: e5913014 ldr r3, [r1, #20] Thread_blocking_operation_States _Thread_queue_Enqueue_priority ( Thread_queue_Control *the_thread_queue, Thread_Control *the_thread, ISR_Level *level_p ) { a0006df8: e92d45f0 push {r4, r5, r6, r7, r8, sl, lr} */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); a0006dfc: e281503c add r5, r1, #60 ; 0x3c a0006e00: e5815038 str r5, [r1, #56] ; 0x38 the_chain->permanent_null = NULL; a0006e04: e3a05000 mov r5, #0 the_chain->last = _Chain_Head(the_chain); a0006e08: e281c038 add ip, r1, #56 ; 0x38 priority = the_thread->current_priority; header_index = _Thread_queue_Header_number( priority ); header = &the_thread_queue->Queues.Priority[ header_index ]; block_state = the_thread_queue->state; if ( _Thread_queue_Is_reverse_search( priority ) ) a0006e0c: e3130020 tst r3, #32 _Chain_Initialize_empty( &the_thread->Wait.Block2n ); priority = the_thread->current_priority; header_index = _Thread_queue_Header_number( priority ); header = &the_thread_queue->Queues.Priority[ header_index ]; a0006e10: e1a04323 lsr r4, r3, #6 RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); the_chain->permanent_null = NULL; a0006e14: e581503c str r5, [r1, #60] ; 0x3c a0006e18: e285500c add r5, r5, #12 the_chain->last = _Chain_Head(the_chain); a0006e1c: e581c040 str ip, [r1, #64] ; 0x40 block_state = the_thread_queue->state; a0006e20: e5907038 ldr r7, [r0, #56] ; 0x38 _Chain_Initialize_empty( &the_thread->Wait.Block2n ); priority = the_thread->current_priority; header_index = _Thread_queue_Header_number( priority ); header = &the_thread_queue->Queues.Priority[ header_index ]; a0006e24: e02c0495 mla ip, r5, r4, r0 the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; a0006e28: 159f8158 ldrne r8, [pc, #344] ; a0006f88 <_Thread_queue_Enqueue_priority+0x194> priority = the_thread->current_priority; header_index = _Thread_queue_Header_number( priority ); header = &the_thread_queue->Queues.Priority[ header_index ]; block_state = the_thread_queue->state; if ( _Thread_queue_Is_reverse_search( priority ) ) a0006e2c: 1a000023 bne a0006ec0 <_Thread_queue_Enqueue_priority+0xcc> */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; a0006e30: e28c8004 add r8, ip, #4 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0006e34: e10f5000 mrs r5, CPSR a0006e38: e3854080 orr r4, r5, #128 ; 0x80 a0006e3c: e129f004 msr CPSR_fc, r4 goto restart_reverse_search; restart_forward_search: search_priority = PRIORITY_MINIMUM - 1; _ISR_Disable( level ); search_thread = (Thread_Control *) header->first; a0006e40: e3e06000 mvn r6, #0 a0006e44: e59c4000 ldr r4, [ip] while ( !_Chain_Is_tail( header, (Chain_Node *)search_thread ) ) { a0006e48: ea00000b b a0006e7c <_Thread_queue_Enqueue_priority+0x88> search_priority = search_thread->current_priority; a0006e4c: e5946014 ldr r6, [r4, #20] if ( priority <= search_priority ) a0006e50: e1530006 cmp r3, r6 a0006e54: 9a00000a bls a0006e84 <_Thread_queue_Enqueue_priority+0x90> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( a0006e58: e10fa000 mrs sl, CPSR a0006e5c: e129f005 msr CPSR_fc, r5 a0006e60: e129f00a msr CPSR_fc, sl search_priority = search_thread->current_priority; if ( priority <= search_priority ) break; #endif _ISR_Flash( level ); if ( !_States_Are_set( search_thread->current_state, block_state) ) { a0006e64: e594a010 ldr sl, [r4, #16] a0006e68: e117000a tst r7, sl a0006e6c: 1a000001 bne a0006e78 <_Thread_queue_Enqueue_priority+0x84> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0006e70: e129f005 msr CPSR_fc, r5 <== NOT EXECUTED a0006e74: eaffffee b a0006e34 <_Thread_queue_Enqueue_priority+0x40> <== NOT EXECUTED _ISR_Enable( level ); goto restart_forward_search; } search_thread = (Thread_Control *)search_thread->Object.Node.next; a0006e78: e5944000 ldr r4, [r4] restart_forward_search: search_priority = PRIORITY_MINIMUM - 1; _ISR_Disable( level ); search_thread = (Thread_Control *) header->first; while ( !_Chain_Is_tail( header, (Chain_Node *)search_thread ) ) { a0006e7c: e1540008 cmp r4, r8 a0006e80: 1afffff1 bne a0006e4c <_Thread_queue_Enqueue_priority+0x58> } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != a0006e84: e5907030 ldr r7, [r0, #48] ; 0x30 restart_forward_search: search_priority = PRIORITY_MINIMUM - 1; _ISR_Disable( level ); search_thread = (Thread_Control *) header->first; while ( !_Chain_Is_tail( header, (Chain_Node *)search_thread ) ) { a0006e88: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != a0006e8c: e3570001 cmp r7, #1 a0006e90: 1a000039 bne a0006f7c <_Thread_queue_Enqueue_priority+0x188> THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; if ( priority == search_priority ) a0006e94: e1530006 cmp r3, r6 if ( the_thread_queue->sync_state != THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; a0006e98: e3a03000 mov r3, #0 a0006e9c: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) a0006ea0: 0a00002b beq a0006f54 <_Thread_queue_Enqueue_priority+0x160> goto equal_priority; search_node = (Chain_Node *) search_thread; previous_node = search_node->previous; a0006ea4: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; a0006ea8: e5814000 str r4, [r1] the_node->previous = previous_node; previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; a0006eac: e5810044 str r0, [r1, #68] ; 0x44 search_node = (Chain_Node *) search_thread; previous_node = search_node->previous; the_node = (Chain_Node *) the_thread; the_node->next = search_node; the_node->previous = previous_node; a0006eb0: e5813004 str r3, [r1, #4] previous_node->next = the_node; a0006eb4: e5831000 str r1, [r3] search_node->previous = the_node; a0006eb8: e5841004 str r1, [r4, #4] the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); a0006ebc: ea000022 b a0006f4c <_Thread_queue_Enqueue_priority+0x158> return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; a0006ec0: e5d86000 ldrb r6, [r8] a0006ec4: e2866001 add r6, r6, #1 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0006ec8: e10f5000 mrs r5, CPSR a0006ecc: e3854080 orr r4, r5, #128 ; 0x80 a0006ed0: e129f004 msr CPSR_fc, r4 _ISR_Disable( level ); search_thread = (Thread_Control *) header->last; a0006ed4: e59c4008 ldr r4, [ip, #8] while ( !_Chain_Is_head( header, (Chain_Node *)search_thread ) ) { a0006ed8: ea00000b b a0006f0c <_Thread_queue_Enqueue_priority+0x118> search_priority = search_thread->current_priority; a0006edc: e5946014 ldr r6, [r4, #20] if ( priority >= search_priority ) a0006ee0: e1530006 cmp r3, r6 a0006ee4: 2a00000a bcs a0006f14 <_Thread_queue_Enqueue_priority+0x120> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( a0006ee8: e10fa000 mrs sl, CPSR a0006eec: e129f005 msr CPSR_fc, r5 a0006ef0: e129f00a msr CPSR_fc, sl search_priority = search_thread->current_priority; if ( priority >= search_priority ) break; #endif _ISR_Flash( level ); if ( !_States_Are_set( search_thread->current_state, block_state) ) { a0006ef4: e594a010 ldr sl, [r4, #16] a0006ef8: e117000a tst r7, sl a0006efc: 1a000001 bne a0006f08 <_Thread_queue_Enqueue_priority+0x114> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0006f00: e129f005 msr CPSR_fc, r5 <== NOT EXECUTED a0006f04: eaffffed b a0006ec0 <_Thread_queue_Enqueue_priority+0xcc> <== NOT EXECUTED _ISR_Enable( level ); goto restart_reverse_search; } search_thread = (Thread_Control *) a0006f08: e5944004 ldr r4, [r4, #4] restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; _ISR_Disable( level ); search_thread = (Thread_Control *) header->last; while ( !_Chain_Is_head( header, (Chain_Node *)search_thread ) ) { a0006f0c: e154000c cmp r4, ip a0006f10: 1afffff1 bne a0006edc <_Thread_queue_Enqueue_priority+0xe8> } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != a0006f14: e5907030 ldr r7, [r0, #48] ; 0x30 restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; _ISR_Disable( level ); search_thread = (Thread_Control *) header->last; while ( !_Chain_Is_head( header, (Chain_Node *)search_thread ) ) { a0006f18: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != a0006f1c: e3570001 cmp r7, #1 a0006f20: 1a000015 bne a0006f7c <_Thread_queue_Enqueue_priority+0x188> THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; if ( priority == search_priority ) a0006f24: e1530006 cmp r3, r6 if ( the_thread_queue->sync_state != THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; a0006f28: e3a03000 mov r3, #0 a0006f2c: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) a0006f30: 0a000007 beq a0006f54 <_Thread_queue_Enqueue_priority+0x160> goto equal_priority; search_node = (Chain_Node *) search_thread; next_node = search_node->next; a0006f34: e5943000 ldr r3, [r4] the_node = (Chain_Node *) the_thread; the_node->next = next_node; the_node->previous = search_node; a0006f38: e5814004 str r4, [r1, #4] search_node->next = the_node; next_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; a0006f3c: e5810044 str r0, [r1, #68] ; 0x44 search_node = (Chain_Node *) search_thread; next_node = search_node->next; the_node = (Chain_Node *) the_thread; the_node->next = next_node; a0006f40: e5813000 str r3, [r1] the_node->previous = search_node; search_node->next = the_node; next_node->previous = the_node; a0006f44: e5831004 str r1, [r3, #4] next_node = search_node->next; the_node = (Chain_Node *) the_thread; the_node->next = next_node; the_node->previous = search_node; search_node->next = the_node; a0006f48: e5841000 str r1, [r4] a0006f4c: e129f005 msr CPSR_fc, r5 a0006f50: ea000007 b a0006f74 <_Thread_queue_Enqueue_priority+0x180> a0006f54: e284403c add r4, r4, #60 ; 0x3c _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; equal_priority: /* add at end of priority group */ search_node = _Chain_Tail( &search_thread->Wait.Block2n ); previous_node = search_node->previous; a0006f58: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; a0006f5c: e5814000 str r4, [r1] the_node->previous = previous_node; previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; a0006f60: e5810044 str r0, [r1, #68] ; 0x44 search_node = _Chain_Tail( &search_thread->Wait.Block2n ); previous_node = search_node->previous; the_node = (Chain_Node *) the_thread; the_node->next = search_node; the_node->previous = previous_node; a0006f64: e5813004 str r3, [r1, #4] previous_node->next = the_node; a0006f68: e5831000 str r1, [r3] search_node->previous = the_node; a0006f6c: e5841004 str r1, [r4, #4] a0006f70: e129f00c msr CPSR_fc, ip a0006f74: e3a00001 mov r0, #1 the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; a0006f78: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} * the mutex by an ISR or timed out. * * WARNING! Returning with interrupts disabled! */ *level_p = level; return the_thread_queue->sync_state; a0006f7c: e5900030 ldr r0, [r0, #48] ; 0x30 * For example, the blocking thread could have been given * the mutex by an ISR or timed out. * * WARNING! Returning with interrupts disabled! */ *level_p = level; a0006f80: e582c000 str ip, [r2] return the_thread_queue->sync_state; } a0006f84: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} a0006f88: a0017470 .word 0xa0017470 a001494c <_Timer_server_Body>: * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { a001494c: e92d4ff0 push {r4, r5, r6, r7, r8, r9, sl, fp, lr} a0014950: e24dd020 sub sp, sp, #32 a0014954: e28d3014 add r3, sp, #20 a0014958: e28d5008 add r5, sp, #8 RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); the_chain->permanent_null = NULL; a001495c: e3a09000 mov r9, #0 */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; a0014960: e283a004 add sl, r3, #4 a0014964: e2858004 add r8, r5, #4 Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); the_chain->permanent_null = NULL; the_chain->last = _Chain_Head(the_chain); a0014968: e58d301c str r3, [sp, #28] static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); a001496c: e2802008 add r2, r0, #8 static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); a0014970: e2803040 add r3, r0, #64 ; 0x40 * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { a0014974: e1a04000 mov r4, r0 */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); a0014978: e58da014 str sl, [sp, #20] the_chain->permanent_null = NULL; a001497c: e58d9018 str r9, [sp, #24] */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); a0014980: e58d8008 str r8, [sp, #8] the_chain->permanent_null = NULL; a0014984: e58d900c str r9, [sp, #12] the_chain->last = _Chain_Head(the_chain); a0014988: e58d5010 str r5, [sp, #16] */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a001498c: e280b030 add fp, r0, #48 ; 0x30 /* * This path is for normal forward movement and cases where the * TOD has been set forward. */ delta = snapshot - last_snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a0014990: e2807068 add r7, r0, #104 ; 0x68 static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); a0014994: e58d2004 str r2, [sp, #4] static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); a0014998: e58d3000 str r3, [sp] { /* * Afterwards all timer inserts are directed to this chain and the interval * and TOD chains will be no more modified by other parties. */ ts->insert_chain = insert_chain; a001499c: e28d2014 add r2, sp, #20 a00149a0: e5842078 str r2, [r4, #120] ; 0x78 static void _Timer_server_Process_interval_watchdogs( Timer_server_Watchdogs *watchdogs, Chain_Control *fire_chain ) { Watchdog_Interval snapshot = _Watchdog_Ticks_since_boot; a00149a4: e59f216c ldr r2, [pc, #364] ; a0014b18 <_Timer_server_Body+0x1cc> */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a00149a8: e1a0000b mov r0, fp static void _Timer_server_Process_interval_watchdogs( Timer_server_Watchdogs *watchdogs, Chain_Control *fire_chain ) { Watchdog_Interval snapshot = _Watchdog_Ticks_since_boot; a00149ac: e5923000 ldr r3, [r2] /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; a00149b0: e594103c ldr r1, [r4, #60] ; 0x3c watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a00149b4: e1a02005 mov r2, r5 /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; a00149b8: e584303c str r3, [r4, #60] ; 0x3c _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a00149bc: e0611003 rsb r1, r1, r3 a00149c0: eb001023 bl a0018a54 <_Watchdog_Adjust_to_chain> static void _Timer_server_Process_tod_watchdogs( Timer_server_Watchdogs *watchdogs, Chain_Control *fire_chain ) { Watchdog_Interval snapshot = (Watchdog_Interval) _TOD_Seconds_since_epoch(); a00149c4: e59f3150 ldr r3, [pc, #336] ; a0014b1c <_Timer_server_Body+0x1d0> Watchdog_Interval last_snapshot = watchdogs->last_snapshot; a00149c8: e5942074 ldr r2, [r4, #116] ; 0x74 static void _Timer_server_Process_tod_watchdogs( Timer_server_Watchdogs *watchdogs, Chain_Control *fire_chain ) { Watchdog_Interval snapshot = (Watchdog_Interval) _TOD_Seconds_since_epoch(); a00149cc: e5936000 ldr r6, [r3] /* * Process the seconds chain. Start by checking that the Time * of Day (TOD) has not been set backwards. If it has then * we want to adjust the watchdogs->Chain to indicate this. */ if ( snapshot > last_snapshot ) { a00149d0: e1560002 cmp r6, r2 a00149d4: 9a000004 bls a00149ec <_Timer_server_Body+0xa0> /* * This path is for normal forward movement and cases where the * TOD has been set forward. */ delta = snapshot - last_snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); a00149d8: e0621006 rsb r1, r2, r6 a00149dc: e1a00007 mov r0, r7 a00149e0: e1a02005 mov r2, r5 a00149e4: eb00101a bl a0018a54 <_Watchdog_Adjust_to_chain> a00149e8: ea000004 b a0014a00 <_Timer_server_Body+0xb4> } else if ( snapshot < last_snapshot ) { a00149ec: 2a000003 bcs a0014a00 <_Timer_server_Body+0xb4> /* * The current TOD is before the last TOD which indicates that * TOD has been set backwards. */ delta = last_snapshot - snapshot; _Watchdog_Adjust( &watchdogs->Chain, WATCHDOG_BACKWARD, delta ); a00149f0: e0662002 rsb r2, r6, r2 a00149f4: e1a00007 mov r0, r7 a00149f8: e3a01001 mov r1, #1 a00149fc: eb000fec bl a00189b4 <_Watchdog_Adjust> } watchdogs->last_snapshot = snapshot; a0014a00: e5846074 str r6, [r4, #116] ; 0x74 } static void _Timer_server_Process_insertions( Timer_server_Control *ts ) { while ( true ) { Timer_Control *timer = (Timer_Control *) _Chain_Get( ts->insert_chain ); a0014a04: e5940078 ldr r0, [r4, #120] ; 0x78 a0014a08: eb00022c bl a00152c0 <_Chain_Get> if ( timer == NULL ) { a0014a0c: e2501000 subs r1, r0, #0 a0014a10: 0a00000a beq a0014a40 <_Timer_server_Body+0xf4> static void _Timer_server_Insert_timer( Timer_server_Control *ts, Timer_Control *timer ) { if ( timer->the_class == TIMER_INTERVAL_ON_TASK ) { a0014a14: e5913038 ldr r3, [r1, #56] ; 0x38 a0014a18: e3530001 cmp r3, #1 _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); a0014a1c: 02811010 addeq r1, r1, #16 a0014a20: 01a0000b moveq r0, fp static void _Timer_server_Insert_timer( Timer_server_Control *ts, Timer_Control *timer ) { if ( timer->the_class == TIMER_INTERVAL_ON_TASK ) { a0014a24: 0a000003 beq a0014a38 <_Timer_server_Body+0xec> _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); } else if ( timer->the_class == TIMER_TIME_OF_DAY_ON_TASK ) { a0014a28: e3530003 cmp r3, #3 a0014a2c: 1afffff4 bne a0014a04 <_Timer_server_Body+0xb8> _Watchdog_Insert( &ts->TOD_watchdogs.Chain, &timer->Ticker ); a0014a30: e2811010 add r1, r1, #16 a0014a34: e1a00007 mov r0, r7 a0014a38: eb001032 bl a0018b08 <_Watchdog_Insert> a0014a3c: eafffff0 b a0014a04 <_Timer_server_Body+0xb8> static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0014a40: e10f3000 mrs r3, CPSR a0014a44: e3832080 orr r2, r3, #128 ; 0x80 a0014a48: e129f002 msr CPSR_fc, r2 * body loop. */ _Timer_server_Process_insertions( ts ); _ISR_Disable( level ); if ( _Chain_Is_empty( insert_chain ) ) { a0014a4c: e59d2014 ldr r2, [sp, #20] a0014a50: e152000a cmp r2, sl a0014a54: 1a000005 bne a0014a70 <_Timer_server_Body+0x124> ts->insert_chain = NULL; a0014a58: e5841078 str r1, [r4, #120] ; 0x78 static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0014a5c: e129f003 msr CPSR_fc, r3 _Chain_Initialize_empty( &fire_chain ); while ( true ) { _Timer_server_Get_watchdogs_that_fire_now( ts, &insert_chain, &fire_chain ); if ( !_Chain_Is_empty( &fire_chain ) ) { a0014a60: e59d3008 ldr r3, [sp, #8] a0014a64: e1530008 cmp r3, r8 a0014a68: 1a000002 bne a0014a78 <_Timer_server_Body+0x12c> a0014a6c: ea000015 b a0014ac8 <_Timer_server_Body+0x17c> a0014a70: e129f003 msr CPSR_fc, r3 <== NOT EXECUTED a0014a74: eaffffca b a00149a4 <_Timer_server_Body+0x58> <== NOT EXECUTED static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0014a78: e10f2000 mrs r2, CPSR a0014a7c: e3823080 orr r3, r2, #128 ; 0x80 a0014a80: e129f003 msr CPSR_fc, r3 */ RTEMS_INLINE_ROUTINE bool _Chain_Is_empty( Chain_Control *the_chain ) { return (the_chain->first == _Chain_Tail(the_chain)); a0014a84: e59d3008 ldr r3, [sp, #8] */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Get_unprotected( Chain_Control *the_chain ) { if ( !_Chain_Is_empty(the_chain)) a0014a88: e1530008 cmp r3, r8 a0014a8c: 0a00000b beq a0014ac0 <_Timer_server_Body+0x174> { Chain_Node *return_node; Chain_Node *new_first; return_node = the_chain->first; new_first = return_node->next; a0014a90: e5931000 ldr r1, [r3] * It is essential that interrupts are disable here since an interrupt * service routine may remove a watchdog from the chain. */ _ISR_Disable( level ); watchdog = (Watchdog_Control *) _Chain_Get_unprotected( &fire_chain ); if ( watchdog != NULL ) { a0014a94: e3530000 cmp r3, #0 the_chain->first = new_first; a0014a98: e58d1008 str r1, [sp, #8] new_first->previous = _Chain_Head(the_chain); a0014a9c: e5815004 str r5, [r1, #4] a0014aa0: 0a000006 beq a0014ac0 <_Timer_server_Body+0x174> watchdog->state = WATCHDOG_INACTIVE; a0014aa4: e5839008 str r9, [r3, #8] static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0014aa8: e129f002 msr CPSR_fc, r2 /* * The timer server may block here and wait for resources or time. * The system watchdogs are inactive and will remain inactive since * the active flag of the timer server is true. */ (*watchdog->routine)( watchdog->id, watchdog->user_data ); a0014aac: e5930020 ldr r0, [r3, #32] a0014ab0: e5931024 ldr r1, [r3, #36] ; 0x24 a0014ab4: e1a0e00f mov lr, pc a0014ab8: e593f01c ldr pc, [r3, #28] } a0014abc: eaffffed b a0014a78 <_Timer_server_Body+0x12c> a0014ac0: e129f002 msr CPSR_fc, r2 a0014ac4: eaffffb4 b a001499c <_Timer_server_Body+0x50> a0014ac8: e59f3050 ldr r3, [pc, #80] ; a0014b20 <_Timer_server_Body+0x1d4> } else { ts->active = false; a0014acc: e5c4907c strb r9, [r4, #124] ; 0x7c a0014ad0: e5932000 ldr r2, [r3] a0014ad4: e2822001 add r2, r2, #1 a0014ad8: e5832000 str r2, [r3] /* * Block until there is something to do. */ _Thread_Disable_dispatch(); _Thread_Set_state( ts->thread, STATES_DELAYING ); a0014adc: e3a01008 mov r1, #8 a0014ae0: e5940000 ldr r0, [r4] a0014ae4: eb000d63 bl a0018078 <_Thread_Set_state> _Timer_server_Reset_interval_system_watchdog( ts ); a0014ae8: e1a00004 mov r0, r4 a0014aec: ebffff6a bl a001489c <_Timer_server_Reset_interval_system_watchdog> _Timer_server_Reset_tod_system_watchdog( ts ); a0014af0: e1a00004 mov r0, r4 a0014af4: ebffff7e bl a00148f4 <_Timer_server_Reset_tod_system_watchdog> _Thread_Enable_dispatch(); a0014af8: eb000ac6 bl a0017618 <_Thread_Enable_dispatch> ts->active = true; a0014afc: e3a03001 mov r3, #1 a0014b00: e5c4307c strb r3, [r4, #124] ; 0x7c static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); a0014b04: e59d0004 ldr r0, [sp, #4] a0014b08: eb001057 bl a0018c6c <_Watchdog_Remove> static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); a0014b0c: e59d0000 ldr r0, [sp] a0014b10: eb001055 bl a0018c6c <_Watchdog_Remove> a0014b14: eaffffa0 b a001499c <_Timer_server_Body+0x50> a0014b18: a00387e4 .word 0xa00387e4 a0014b1c: a0038714 .word 0xa0038714 a0014b20: a003868c .word 0xa003868c a0033a40 : rtems_status_code rtems_rate_monotonic_period( rtems_id id, rtems_interval length ) { a0033a40: e92d40f1 push {r0, r4, r5, r6, r7, lr} a0033a44: e1a05000 mov r5, r0 a0033a48: e1a04001 mov r4, r1 a0033a4c: e59f0168 ldr r0, [pc, #360] ; a0033bbc a0033a50: e1a01005 mov r1, r5 a0033a54: e1a0200d mov r2, sp a0033a58: ebff586b bl a0009c0c <_Objects_Get> rtems_rate_monotonic_period_states local_state; ISR_Level level; the_period = _Rate_monotonic_Get( id, &location ); switch ( location ) { a0033a5c: e59d3000 ldr r3, [sp] a0033a60: e1a06000 mov r6, r0 a0033a64: e3530000 cmp r3, #0 a0033a68: 1a000050 bne a0033bb0 case OBJECTS_LOCAL: if ( !_Thread_Is_executing( the_period->owner ) ) { a0033a6c: e59f314c ldr r3, [pc, #332] ; a0033bc0 a0033a70: e5902040 ldr r2, [r0, #64] ; 0x40 a0033a74: e5933000 ldr r3, [r3] a0033a78: e1520003 cmp r2, r3 a0033a7c: 0a000002 beq a0033a8c _Thread_Enable_dispatch(); a0033a80: ebff5aae bl a000a540 <_Thread_Enable_dispatch> a0033a84: e3a04017 mov r4, #23 return RTEMS_NOT_OWNER_OF_RESOURCE; a0033a88: ea000049 b a0033bb4 } if ( length == RTEMS_PERIOD_STATUS ) { a0033a8c: e3540000 cmp r4, #0 a0033a90: 1a000004 bne a0033aa8 switch ( the_period->state ) { a0033a94: e5903038 ldr r3, [r0, #56] ; 0x38 a0033a98: e3530004 cmp r3, #4 a0033a9c: 959f2120 ldrls r2, [pc, #288] ; a0033bc4 a0033aa0: 97924103 ldrls r4, [r2, r3, lsl #2] a0033aa4: ea00003f b a0033ba8 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0033aa8: e10f7000 mrs r7, CPSR a0033aac: e3873080 orr r3, r7, #128 ; 0x80 a0033ab0: e129f003 msr CPSR_fc, r3 _Thread_Enable_dispatch(); return( return_value ); } _ISR_Disable( level ); switch ( the_period->state ) { a0033ab4: e5903038 ldr r3, [r0, #56] ; 0x38 a0033ab8: e3530002 cmp r3, #2 a0033abc: 0a000014 beq a0033b14 a0033ac0: e3530004 cmp r3, #4 a0033ac4: 0a00002d beq a0033b80 a0033ac8: e3530000 cmp r3, #0 a0033acc: 1a000037 bne a0033bb0 static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0033ad0: e129f007 msr CPSR_fc, r7 _ISR_Enable( level ); /* * Baseline statistics information for the beginning of a period. */ _Rate_monotonic_Initiate_statistics( the_period ); a0033ad4: ebffff58 bl a003383c <_Rate_monotonic_Initiate_statistics> the_period->state = RATE_MONOTONIC_ACTIVE; a0033ad8: e3a03002 mov r3, #2 a0033adc: e5863038 str r3, [r6, #56] ; 0x38 Objects_Id id, void *user_data ) { the_watchdog->state = WATCHDOG_INACTIVE; the_watchdog->routine = routine; a0033ae0: e59f30e0 ldr r3, [pc, #224] ; a0033bc8 Watchdog_Service_routine_entry routine, Objects_Id id, void *user_data ) { the_watchdog->state = WATCHDOG_INACTIVE; a0033ae4: e3a07000 mov r7, #0 Watchdog_Control *the_watchdog, Watchdog_Interval units ) { the_watchdog->initial = units; a0033ae8: e586401c str r4, [r6, #28] _Rate_monotonic_Timeout, id, NULL ); the_period->next_length = length; a0033aec: e586403c str r4, [r6, #60] ; 0x3c Objects_Id id, void *user_data ) { the_watchdog->state = WATCHDOG_INACTIVE; the_watchdog->routine = routine; a0033af0: e586302c str r3, [r6, #44] ; 0x2c the_watchdog->id = id; a0033af4: e5865030 str r5, [r6, #48] ; 0x30 ) { the_watchdog->initial = units; _Watchdog_Insert( &_Watchdog_Ticks_chain, the_watchdog ); a0033af8: e2861010 add r1, r6, #16 Watchdog_Service_routine_entry routine, Objects_Id id, void *user_data ) { the_watchdog->state = WATCHDOG_INACTIVE; a0033afc: e5867018 str r7, [r6, #24] the_watchdog->routine = routine; the_watchdog->id = id; the_watchdog->user_data = user_data; a0033b00: e5867034 str r7, [r6, #52] ; 0x34 ) { the_watchdog->initial = units; _Watchdog_Insert( &_Watchdog_Ticks_chain, the_watchdog ); a0033b04: e59f00c0 ldr r0, [pc, #192] ; a0033bcc a0033b08: ebff5e8a bl a000b538 <_Watchdog_Insert> _Watchdog_Insert_ticks( &the_period->Timer, length ); _Thread_Enable_dispatch(); a0033b0c: e1a04007 mov r4, r7 a0033b10: ea000024 b a0033ba8 case RATE_MONOTONIC_ACTIVE: /* * Update statistics from the concluding period. */ _Rate_monotonic_Update_statistics( the_period ); a0033b14: ebffff93 bl a0033968 <_Rate_monotonic_Update_statistics> /* * This tells the _Rate_monotonic_Timeout that this task is * in the process of blocking on the period and that we * may be changing the length of the next period. */ the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING; a0033b18: e3a03001 mov r3, #1 the_period->next_length = length; a0033b1c: e586403c str r4, [r6, #60] ; 0x3c /* * This tells the _Rate_monotonic_Timeout that this task is * in the process of blocking on the period and that we * may be changing the length of the next period. */ the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING; a0033b20: e5863038 str r3, [r6, #56] ; 0x38 a0033b24: e129f007 msr CPSR_fc, r7 the_period->next_length = length; _ISR_Enable( level ); _Thread_Executing->Wait.id = the_period->Object.id; a0033b28: e59f2090 ldr r2, [pc, #144] ; a0033bc0 a0033b2c: e5963008 ldr r3, [r6, #8] _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_PERIOD ); a0033b30: e3a01901 mov r1, #16384 ; 0x4000 the_period->state = RATE_MONOTONIC_OWNER_IS_BLOCKING; the_period->next_length = length; _ISR_Enable( level ); _Thread_Executing->Wait.id = the_period->Object.id; a0033b34: e5920000 ldr r0, [r2] a0033b38: e5803020 str r3, [r0, #32] _Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_PERIOD ); a0033b3c: ebff5cae bl a000adfc <_Thread_Set_state> static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( a0033b40: e10f2000 mrs r2, CPSR a0033b44: e3823080 orr r3, r2, #128 ; 0x80 a0033b48: e129f003 msr CPSR_fc, r3 * Did the watchdog timer expire while we were actually blocking * on it? */ _ISR_Disable( level ); local_state = the_period->state; the_period->state = RATE_MONOTONIC_ACTIVE; a0033b4c: e3a01002 mov r1, #2 /* * Did the watchdog timer expire while we were actually blocking * on it? */ _ISR_Disable( level ); local_state = the_period->state; a0033b50: e5963038 ldr r3, [r6, #56] ; 0x38 the_period->state = RATE_MONOTONIC_ACTIVE; a0033b54: e5861038 str r1, [r6, #56] ; 0x38 static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( a0033b58: e129f002 msr CPSR_fc, r2 /* * If it did, then we want to unblock ourself and continue as * if nothing happen. The period was reset in the timeout routine. */ if ( local_state == RATE_MONOTONIC_EXPIRED_WHILE_BLOCKING ) a0033b5c: e3530003 cmp r3, #3 a0033b60: 1a000003 bne a0033b74 _Thread_Clear_state( _Thread_Executing, STATES_WAITING_FOR_PERIOD ); a0033b64: e59f3054 ldr r3, [pc, #84] ; a0033bc0 <== NOT EXECUTED a0033b68: e3a01901 mov r1, #16384 ; 0x4000 <== NOT EXECUTED a0033b6c: e5930000 ldr r0, [r3] <== NOT EXECUTED a0033b70: ebff5977 bl a000a154 <_Thread_Clear_state> <== NOT EXECUTED _Thread_Enable_dispatch(); a0033b74: ebff5a71 bl a000a540 <_Thread_Enable_dispatch> a0033b78: e3a04000 mov r4, #0 return RTEMS_SUCCESSFUL; a0033b7c: ea00000c b a0033bb4 case RATE_MONOTONIC_EXPIRED: /* * Update statistics from the concluding period */ _Rate_monotonic_Update_statistics( the_period ); a0033b80: ebffff78 bl a0033968 <_Rate_monotonic_Update_statistics> a0033b84: e129f007 msr CPSR_fc, r7 _ISR_Enable( level ); the_period->state = RATE_MONOTONIC_ACTIVE; a0033b88: e3a03002 mov r3, #2 Watchdog_Control *the_watchdog, Watchdog_Interval units ) { the_watchdog->initial = units; a0033b8c: e586401c str r4, [r6, #28] the_period->next_length = length; a0033b90: e586403c str r4, [r6, #60] ; 0x3c */ _Rate_monotonic_Update_statistics( the_period ); _ISR_Enable( level ); the_period->state = RATE_MONOTONIC_ACTIVE; a0033b94: e5863038 str r3, [r6, #56] ; 0x38 _Watchdog_Insert( &_Watchdog_Ticks_chain, the_watchdog ); a0033b98: e2861010 add r1, r6, #16 a0033b9c: e59f0028 ldr r0, [pc, #40] ; a0033bcc a0033ba0: ebff5e64 bl a000b538 <_Watchdog_Insert> the_period->next_length = length; _Watchdog_Insert_ticks( &the_period->Timer, length ); _Thread_Enable_dispatch(); a0033ba4: e3a04006 mov r4, #6 a0033ba8: ebff5a64 bl a000a540 <_Thread_Enable_dispatch> return RTEMS_TIMEOUT; a0033bac: ea000000 b a0033bb4 a0033bb0: e3a04004 mov r4, #4 case OBJECTS_ERROR: break; } return RTEMS_INVALID_ID; } a0033bb4: e1a00004 mov r0, r4 a0033bb8: e8bd80f8 pop {r3, r4, r5, r6, r7, pc} a0033bbc: a0060344 .word 0xa0060344 a0033bc0: a005ff80 .word 0xa005ff80 a0033bc4: a005574c .word 0xa005574c a0033bc8: a0033bd0 .word 0xa0033bd0 a0033bcc: a005ffa0 .word 0xa005ffa0