=============================================================================== 00000448 <_Barrier_Manager_initialization>: #include #include void _Barrier_Manager_initialization(void) { } 448: e12fff1e bx lr =============================================================================== 0000ad80 <_CORE_mutex_Seize_interrupt_trylock>: { Thread_Control *executing; /* disabled when you get here */ executing = _Thread_Executing; ad80: e59f3110 ldr r3, [pc, #272] ; ae98 <_CORE_mutex_Seize_interrupt_trylock+0x118> ad84: e5933000 ldr r3, [r3] executing->Wait.return_code = CORE_MUTEX_STATUS_SUCCESSFUL; ad88: e3a02000 mov r2, #0 ad8c: e5832034 str r2, [r3, #52] ; 0x34 if ( !_CORE_mutex_Is_locked( the_mutex ) ) { ad90: e590c050 ldr ip, [r0, #80] ; 0x50 ad94: e15c0002 cmp ip, r2 #if defined(__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__) int _CORE_mutex_Seize_interrupt_trylock( CORE_mutex_Control *the_mutex, ISR_Level *level_p ) { ad98: e52de004 push {lr} ; (str lr, [sp, #-4]!) ad9c: 0a00002a beq ae4c <_CORE_mutex_Seize_interrupt_trylock+0xcc> the_mutex->lock = CORE_MUTEX_LOCKED; ada0: e5802050 str r2, [r0, #80] ; 0x50 */ RTEMS_INLINE_ROUTINE bool _CORE_mutex_Is_inherit_priority( CORE_mutex_Attributes *the_attribute ) { return the_attribute->discipline == CORE_MUTEX_DISCIPLINES_PRIORITY_INHERIT; ada4: e5902048 ldr r2, [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; the_mutex->holder_id = executing->Object.id; ada8: e593c008 ldr ip, [r3, #8] the_mutex->nest_count = 1; if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) || adac: e3520002 cmp r2, #2 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; the_mutex->holder_id = executing->Object.id; adb0: e580c060 str ip, [r0, #96] ; 0x60 the_mutex->nest_count = 1; adb4: e3a0c001 mov ip, #1 adb8: e580c054 str ip, [r0, #84] ; 0x54 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; adbc: e580305c str r3, [r0, #92] ; 0x5c the_mutex->holder_id = executing->Object.id; the_mutex->nest_count = 1; if ( _CORE_mutex_Is_inherit_priority( &the_mutex->Attributes ) || adc0: 0a000001 beq adcc <_CORE_mutex_Seize_interrupt_trylock+0x4c> adc4: e3520003 cmp r2, #3 adc8: 1a00002c bne ae80 <_CORE_mutex_Seize_interrupt_trylock+0x100> _Chain_Prepend_unprotected( &executing->lock_mutex, &the_mutex->queue.lock_queue ); the_mutex->queue.priority_before = executing->current_priority; #endif executing->resource_count++; adcc: e593c01c ldr ip, [r3, #28] } if ( !_CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) { add0: e3520003 cmp r2, #3 _Chain_Prepend_unprotected( &executing->lock_mutex, &the_mutex->queue.lock_queue ); the_mutex->queue.priority_before = executing->current_priority; #endif executing->resource_count++; add4: e28c2001 add r2, ip, #1 add8: e583201c str r2, [r3, #28] } if ( !_CORE_mutex_Is_priority_ceiling( &the_mutex->Attributes ) ) { addc: 1a000027 bne ae80 <_CORE_mutex_Seize_interrupt_trylock+0x100> */ { Priority_Control ceiling; Priority_Control current; ceiling = the_mutex->Attributes.priority_ceiling; ade0: e590204c ldr r2, [r0, #76] ; 0x4c current = executing->current_priority; ade4: e593c014 ldr ip, [r3, #20] if ( current == ceiling ) { ade8: e15c0002 cmp ip, r2 adec: 0a000023 beq ae80 <_CORE_mutex_Seize_interrupt_trylock+0x100> _ISR_Enable( *level_p ); return 0; } if ( current > ceiling ) { adf0: 9a00000b bls ae24 <_CORE_mutex_Seize_interrupt_trylock+0xa4> rtems_fatal_error_occurred( 99 ); } } #endif _Thread_Dispatch_disable_level += 1; adf4: e59f30a0 ldr r3, [pc, #160] ; ae9c <_CORE_mutex_Seize_interrupt_trylock+0x11c> adf8: e5932000 ldr r2, [r3] adfc: e2822001 add r2, r2, #1 ae00: e5832000 str r2, [r3] ae04: e5913000 ldr r3, [r1] ae08: e129f003 msr CPSR_fc, r3 _Thread_Disable_dispatch(); _ISR_Enable( *level_p ); _Thread_Change_priority( ae0c: e3a02000 mov r2, #0 ae10: e590104c ldr r1, [r0, #76] ; 0x4c ae14: e590005c ldr r0, [r0, #92] ; 0x5c ae18: ebffef45 bl 6b34 <_Thread_Change_priority> the_mutex->holder, the_mutex->Attributes.priority_ceiling, false ); _Thread_Enable_dispatch(); ae1c: ebfff0a5 bl 70b8 <_Thread_Enable_dispatch> ae20: ea000018 b ae88 <_CORE_mutex_Seize_interrupt_trylock+0x108> return 0; } /* if ( current < ceiling ) */ { executing->Wait.return_code = CORE_MUTEX_STATUS_CEILING_VIOLATED; ae24: e3a02006 mov r2, #6 ae28: e5832034 str r2, [r3, #52] ; 0x34 the_mutex->lock = CORE_MUTEX_UNLOCKED; the_mutex->nest_count = 0; /* undo locking above */ ae2c: e3a02000 mov r2, #0 ae30: e5802054 str r2, [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; ae34: e2822001 add r2, r2, #1 ae38: e5802050 str r2, [r0, #80] ; 0x50 the_mutex->nest_count = 0; /* undo locking above */ executing->resource_count--; /* undo locking above */ ae3c: e593201c ldr r2, [r3, #28] ae40: e2422001 sub r2, r2, #1 ae44: e583201c str r2, [r3, #28] ae48: ea00000c b ae80 <_CORE_mutex_Seize_interrupt_trylock+0x100> /* * 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 ) ) { ae4c: e590205c ldr r2, [r0, #92] ; 0x5c ae50: e1520003 cmp r2, r3 ae54: 1a00000d bne ae90 <_CORE_mutex_Seize_interrupt_trylock+0x110> switch ( the_mutex->Attributes.lock_nesting_behavior ) { ae58: e5903040 ldr r3, [r0, #64] ; 0x40 ae5c: e3530000 cmp r3, #0 case CORE_MUTEX_NESTING_ACQUIRES: the_mutex->nest_count++; ae60: 05903054 ldreq r3, [r0, #84] ; 0x54 ae64: 02833001 addeq r3, r3, #1 ae68: 05803054 streq r3, [r0, #84] ; 0x54 * 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 ) ) { switch ( the_mutex->Attributes.lock_nesting_behavior ) { ae6c: 0a000003 beq ae80 <_CORE_mutex_Seize_interrupt_trylock+0x100> ae70: e3530001 cmp r3, #1 ae74: 1a000005 bne ae90 <_CORE_mutex_Seize_interrupt_trylock+0x110> case CORE_MUTEX_NESTING_ACQUIRES: the_mutex->nest_count++; _ISR_Enable( *level_p ); return 0; case CORE_MUTEX_NESTING_IS_ERROR: executing->Wait.return_code = CORE_MUTEX_STATUS_NESTING_NOT_ALLOWED; ae78: e3a03002 mov r3, #2 <== NOT EXECUTED ae7c: e5823034 str r3, [r2, #52] ; 0x34 <== NOT EXECUTED ae80: e5913000 ldr r3, [r1] ae84: e129f003 msr CPSR_fc, r3 ae88: e3a00000 mov r0, #0 ae8c: e49df004 pop {pc} ; (ldr pc, [sp], #4) ae90: e3a00001 mov r0, #1 return _CORE_mutex_Seize_interrupt_trylock_body( the_mutex, level_p ); } ae94: e49df004 pop {pc} ; (ldr pc, [sp], #4) =============================================================================== 0000044c <_Dual_ported_memory_Manager_initialization>: #include #include void _Dual_ported_memory_Manager_initialization(void) { } 44c: e12fff1e bx lr =============================================================================== 00000450 <_Event_Manager_initialization>: #include #include void _Event_Manager_initialization(void) { } 450: e12fff1e bx lr =============================================================================== 0000046c <_Extension_Manager_initialization>: #include #include void _Extension_Manager_initialization(void) { } 46c: e12fff1e bx lr =============================================================================== 00000454 <_Message_queue_Manager_initialization>: #include #include void _Message_queue_Manager_initialization(void) { } 454: e12fff1e bx lr =============================================================================== 00000458 <_Partition_Manager_initialization>: #include #include void _Partition_Manager_initialization(void) { } 458: e12fff1e bx lr =============================================================================== 00000468 <_Rate_monotonic_Manager_initialization>: #include #include void _Rate_monotonic_Manager_initialization(void) { } 468: e12fff1e bx lr =============================================================================== 0000045c <_Region_Manager_initialization>: #include #include void _Region_Manager_initialization(void) { } 45c: e12fff1e bx lr =============================================================================== 00007614 <_Thread_queue_Enqueue_priority>: Thread_blocking_operation_States _Thread_queue_Enqueue_priority ( Thread_queue_Control *the_thread_queue, Thread_Control *the_thread, ISR_Level *level_p ) { 7614: e92d45f0 push {r4, r5, r6, r7, r8, sl, lr} Priority_Control priority; States_Control block_state; _Chain_Initialize_empty( &the_thread->Wait.Block2n ); priority = the_thread->current_priority; 7618: e5913014 ldr r3, [r1, #20] */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 761c: e281503c add r5, r1, #60 ; 0x3c 7620: e5815038 str r5, [r1, #56] ; 0x38 the_chain->permanent_null = NULL; 7624: e3a05000 mov r5, #0 the_chain->last = _Chain_Head(the_chain); 7628: e281c038 add ip, r1, #56 ; 0x38 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 ) ) 762c: 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 ]; 7630: 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; 7634: e581503c str r5, [r1, #60] ; 0x3c 7638: e285500c add r5, r5, #12 the_chain->last = _Chain_Head(the_chain); 763c: e581c040 str ip, [r1, #64] ; 0x40 block_state = the_thread_queue->state; 7640: 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 ]; 7644: 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; 7648: 159f8154 ldrne r8, [pc, #340] ; 77a4 <_Thread_queue_Enqueue_priority+0x190> 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 ) ) 764c: 1a000023 bne 76e0 <_Thread_queue_Enqueue_priority+0xcc> */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; 7650: e28c8004 add r8, ip, #4 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 7654: e10f5000 mrs r5, CPSR 7658: e3854080 orr r4, r5, #128 ; 0x80 765c: 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; 7660: e3e06000 mvn r6, #0 7664: e59c4000 ldr r4, [ip] while ( !_Chain_Is_tail( header, (Chain_Node *)search_thread ) ) { 7668: ea00000b b 769c <_Thread_queue_Enqueue_priority+0x88> search_priority = search_thread->current_priority; 766c: e5946014 ldr r6, [r4, #20] if ( priority <= search_priority ) 7670: e1530006 cmp r3, r6 7674: 9a00000a bls 76a4 <_Thread_queue_Enqueue_priority+0x90> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( 7678: e10fa000 mrs sl, CPSR 767c: e129f005 msr CPSR_fc, r5 7680: 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) ) { 7684: e594a010 ldr sl, [r4, #16] 7688: e117000a tst r7, sl 768c: 1a000001 bne 7698 <_Thread_queue_Enqueue_priority+0x84> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 7690: e129f005 msr CPSR_fc, r5 <== NOT EXECUTED 7694: eaffffee b 7654 <_Thread_queue_Enqueue_priority+0x40> <== NOT EXECUTED _ISR_Enable( level ); goto restart_forward_search; } search_thread = (Thread_Control *)search_thread->Object.Node.next; 7698: 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 ) ) { 769c: e1540008 cmp r4, r8 76a0: 1afffff1 bne 766c <_Thread_queue_Enqueue_priority+0x58> } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != 76a4: e590c030 ldr ip, [r0, #48] ; 0x30 76a8: e35c0001 cmp ip, #1 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 ) ) { 76ac: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != 76b0: 1a000038 bne 7798 <_Thread_queue_Enqueue_priority+0x184> THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; if ( priority == search_priority ) 76b4: 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; 76b8: e3a03000 mov r3, #0 76bc: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) 76c0: 0a00002a beq 7770 <_Thread_queue_Enqueue_priority+0x15c> goto equal_priority; search_node = (Chain_Node *) search_thread; previous_node = search_node->previous; 76c4: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; 76c8: e5814000 str r4, [r1] the_node->previous = previous_node; 76cc: e5813004 str r3, [r1, #4] previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 76d0: e5810044 str r0, [r1, #68] ; 0x44 previous_node = search_node->previous; the_node = (Chain_Node *) the_thread; the_node->next = search_node; the_node->previous = previous_node; previous_node->next = the_node; 76d4: e5831000 str r1, [r3] search_node->previous = the_node; 76d8: e5841004 str r1, [r4, #4] 76dc: ea000021 b 7768 <_Thread_queue_Enqueue_priority+0x154> the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; 76e0: e5d86000 ldrb r6, [r8] 76e4: e2866001 add r6, r6, #1 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 76e8: e10f5000 mrs r5, CPSR 76ec: e3854080 orr r4, r5, #128 ; 0x80 76f0: e129f004 msr CPSR_fc, r4 _ISR_Disable( level ); search_thread = (Thread_Control *) header->last; 76f4: e59c4008 ldr r4, [ip, #8] while ( !_Chain_Is_head( header, (Chain_Node *)search_thread ) ) { 76f8: ea00000b b 772c <_Thread_queue_Enqueue_priority+0x118> search_priority = search_thread->current_priority; 76fc: e5946014 ldr r6, [r4, #20] if ( priority >= search_priority ) 7700: e1530006 cmp r3, r6 7704: 2a00000a bcs 7734 <_Thread_queue_Enqueue_priority+0x120> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( 7708: e10fa000 mrs sl, CPSR 770c: e129f005 msr CPSR_fc, r5 7710: 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) ) { 7714: e594a010 ldr sl, [r4, #16] 7718: e117000a tst r7, sl 771c: 1a000001 bne 7728 <_Thread_queue_Enqueue_priority+0x114> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 7720: e129f005 msr CPSR_fc, r5 7724: eaffffed b 76e0 <_Thread_queue_Enqueue_priority+0xcc> _ISR_Enable( level ); goto restart_reverse_search; } search_thread = (Thread_Control *) 7728: 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 ) ) { 772c: e154000c cmp r4, ip 7730: 1afffff1 bne 76fc <_Thread_queue_Enqueue_priority+0xe8> } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != 7734: e590c030 ldr ip, [r0, #48] ; 0x30 7738: e35c0001 cmp ip, #1 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 ) ) { 773c: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != 7740: 1a000014 bne 7798 <_Thread_queue_Enqueue_priority+0x184> THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED ) goto synchronize; the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_SYNCHRONIZED; if ( priority == search_priority ) 7744: 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; 7748: e3a03000 mov r3, #0 774c: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) 7750: 0a000006 beq 7770 <_Thread_queue_Enqueue_priority+0x15c> goto equal_priority; search_node = (Chain_Node *) search_thread; next_node = search_node->next; 7754: e5943000 ldr r3, [r4] the_node = (Chain_Node *) the_thread; the_node->next = next_node; the_node->previous = search_node; 7758: e8810018 stm r1, {r3, r4} search_node->next = the_node; next_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 775c: e5810044 str r0, [r1, #68] ; 0x44 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; 7760: e5841000 str r1, [r4] next_node->previous = the_node; 7764: e5831004 str r1, [r3, #4] 7768: e129f005 msr CPSR_fc, r5 776c: ea000007 b 7790 <_Thread_queue_Enqueue_priority+0x17c> 7770: 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; 7774: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; 7778: e5814000 str r4, [r1] the_node->previous = previous_node; 777c: e5813004 str r3, [r1, #4] previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 7780: e5810044 str r0, [r1, #68] ; 0x44 previous_node = search_node->previous; the_node = (Chain_Node *) the_thread; the_node->next = search_node; the_node->previous = previous_node; previous_node->next = the_node; 7784: e5831000 str r1, [r3] search_node->previous = the_node; 7788: e5841004 str r1, [r4, #4] 778c: e129f00c msr CPSR_fc, ip 7790: e3a00001 mov r0, #1 the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; 7794: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} * 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; 7798: e582c000 str ip, [r2] return the_thread_queue->sync_state; 779c: e5900030 ldr r0, [r0, #48] ; 0x30 } 77a0: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} =============================================================================== 00000464 <_Timer_Manager_initialization>: #include #include void _Timer_Manager_initialization(void) { } 464: e12fff1e bx lr =============================================================================== 00015138 <_Timer_server_Body>: * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { 15138: e92d4ff0 push {r4, r5, r6, r7, r8, r9, sl, fp, lr} 1513c: e24dd020 sub sp, sp, #32 15140: e28d3014 add r3, sp, #20 15144: 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; 15148: e3a09000 mov r9, #0 */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; 1514c: e283a004 add sl, r3, #4 15150: 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); 15154: e58d301c str r3, [sp, #28] static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); 15158: e2802008 add r2, r0, #8 static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 1515c: e2803040 add r3, r0, #64 ; 0x40 */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 15160: e58da014 str sl, [sp, #20] the_chain->permanent_null = NULL; 15164: e58d9018 str r9, [sp, #24] */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 15168: e58d8008 str r8, [sp, #8] the_chain->permanent_null = NULL; 1516c: e58d900c str r9, [sp, #12] the_chain->last = _Chain_Head(the_chain); 15170: e58d5010 str r5, [sp, #16] static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); 15174: e58d2004 str r2, [sp, #4] static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 15178: e58d3000 str r3, [sp] * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { 1517c: e1a04000 mov r4, r0 */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 15180: 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 ); 15184: e2807068 add r7, r0, #104 ; 0x68 { /* * 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; 15188: e28d2014 add r2, sp, #20 1518c: 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; 15190: e59f2168 ldr r2, [pc, #360] ; 15300 <_Timer_server_Body+0x1c8> 15194: e5923000 ldr r3, [r2] /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; 15198: e594103c ldr r1, [r4, #60] ; 0x3c watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 1519c: e1a02005 mov r2, r5 151a0: e0611003 rsb r1, r1, r3 /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; 151a4: e584303c str r3, [r4, #60] ; 0x3c _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 151a8: e1a0000b mov r0, fp 151ac: eb000ff2 bl 1917c <_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(); 151b0: e59f314c ldr r3, [pc, #332] ; 15304 <_Timer_server_Body+0x1cc> Watchdog_Interval last_snapshot = watchdogs->last_snapshot; 151b4: 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(); 151b8: 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 ) { 151bc: e1560002 cmp r6, r2 151c0: 9a000004 bls 151d8 <_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 ); 151c4: e0621006 rsb r1, r2, r6 151c8: e1a00007 mov r0, r7 151cc: e1a02005 mov r2, r5 151d0: eb000fe9 bl 1917c <_Watchdog_Adjust_to_chain> 151d4: ea000003 b 151e8 <_Timer_server_Body+0xb0> /* * 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 ); 151d8: 30662002 rsbcc r2, r6, r2 151dc: 31a00007 movcc r0, r7 151e0: 33a01001 movcc r1, #1 151e4: 3b000fbc blcc 190dc <_Watchdog_Adjust> } watchdogs->last_snapshot = snapshot; 151e8: 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 ); 151ec: e5940078 ldr r0, [r4, #120] ; 0x78 151f0: eb000221 bl 15a7c <_Chain_Get> if ( timer == NULL ) { 151f4: e2501000 subs r1, r0, #0 151f8: 0a00000a beq 15228 <_Timer_server_Body+0xf0> static void _Timer_server_Insert_timer( Timer_server_Control *ts, Timer_Control *timer ) { if ( timer->the_class == TIMER_INTERVAL_ON_TASK ) { 151fc: e5913038 ldr r3, [r1, #56] ; 0x38 15200: e3530001 cmp r3, #1 _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); 15204: 02811010 addeq r1, r1, #16 15208: 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 ) { 1520c: 0a000003 beq 15220 <_Timer_server_Body+0xe8> _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); } else if ( timer->the_class == TIMER_TIME_OF_DAY_ON_TASK ) { 15210: e3530003 cmp r3, #3 15214: 1afffff4 bne 151ec <_Timer_server_Body+0xb4> _Watchdog_Insert( &ts->TOD_watchdogs.Chain, &timer->Ticker ); 15218: e2811010 add r1, r1, #16 1521c: e1a00007 mov r0, r7 15220: eb001002 bl 19230 <_Watchdog_Insert> 15224: eafffff0 b 151ec <_Timer_server_Body+0xb4> static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 15228: e10f3000 mrs r3, CPSR 1522c: e3832080 orr r2, r3, #128 ; 0x80 15230: e129f002 msr CPSR_fc, r2 * body loop. */ _Timer_server_Process_insertions( ts ); _ISR_Disable( level ); if ( _Chain_Is_empty( insert_chain ) ) { 15234: e59d2014 ldr r2, [sp, #20] 15238: e152000a cmp r2, sl 1523c: 1a000005 bne 15258 <_Timer_server_Body+0x120> ts->insert_chain = NULL; 15240: e5841078 str r1, [r4, #120] ; 0x78 static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 15244: 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 ) ) { 15248: e59d3008 ldr r3, [sp, #8] 1524c: e1530008 cmp r3, r8 15250: 1a000002 bne 15260 <_Timer_server_Body+0x128> 15254: ea000015 b 152b0 <_Timer_server_Body+0x178> 15258: e129f003 msr CPSR_fc, r3 <== NOT EXECUTED 1525c: eaffffcb b 15190 <_Timer_server_Body+0x58> <== NOT EXECUTED static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 15260: e10f2000 mrs r2, CPSR 15264: e3823080 orr r3, r2, #128 ; 0x80 15268: e129f003 msr CPSR_fc, r3 */ RTEMS_INLINE_ROUTINE bool _Chain_Is_empty( Chain_Control *the_chain ) { return (the_chain->first == _Chain_Tail(the_chain)); 1526c: e59d3008 ldr r3, [sp, #8] */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Get_unprotected( Chain_Control *the_chain ) { if ( !_Chain_Is_empty(the_chain)) 15270: e1530008 cmp r3, r8 15274: 0a00000b beq 152a8 <_Timer_server_Body+0x170> { Chain_Node *return_node; Chain_Node *new_first; return_node = the_chain->first; new_first = return_node->next; 15278: 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 ) { 1527c: e3530000 cmp r3, #0 the_chain->first = new_first; 15280: e58d1008 str r1, [sp, #8] new_first->previous = _Chain_Head(the_chain); 15284: e5815004 str r5, [r1, #4] 15288: 0a000006 beq 152a8 <_Timer_server_Body+0x170> watchdog->state = WATCHDOG_INACTIVE; 1528c: e5839008 str r9, [r3, #8] static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 15290: 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 ); 15294: e2830020 add r0, r3, #32 15298: e8900003 ldm r0, {r0, r1} 1529c: e1a0e00f mov lr, pc 152a0: e593f01c ldr pc, [r3, #28] } 152a4: eaffffed b 15260 <_Timer_server_Body+0x128> 152a8: e129f002 msr CPSR_fc, r2 152ac: eaffffb5 b 15188 <_Timer_server_Body+0x50> } else { ts->active = false; 152b0: e5c4907c strb r9, [r4, #124] ; 0x7c 152b4: e59f304c ldr r3, [pc, #76] ; 15308 <_Timer_server_Body+0x1d0> 152b8: e5932000 ldr r2, [r3] 152bc: e2822001 add r2, r2, #1 152c0: e5832000 str r2, [r3] /* * Block until there is something to do. */ _Thread_Disable_dispatch(); _Thread_Set_state( ts->thread, STATES_DELAYING ); 152c4: e3a01008 mov r1, #8 152c8: e5940000 ldr r0, [r4] 152cc: eb000d38 bl 187b4 <_Thread_Set_state> _Timer_server_Reset_interval_system_watchdog( ts ); 152d0: e1a00004 mov r0, r4 152d4: ebffff6b bl 15088 <_Timer_server_Reset_interval_system_watchdog> _Timer_server_Reset_tod_system_watchdog( ts ); 152d8: e1a00004 mov r0, r4 152dc: ebffff7f bl 150e0 <_Timer_server_Reset_tod_system_watchdog> _Thread_Enable_dispatch(); 152e0: eb000aa4 bl 17d78 <_Thread_Enable_dispatch> ts->active = true; 152e4: e3a03001 mov r3, #1 152e8: 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 ); 152ec: e59d0004 ldr r0, [sp, #4] 152f0: eb001026 bl 19390 <_Watchdog_Remove> static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 152f4: e59d0000 ldr r0, [sp] 152f8: eb001024 bl 19390 <_Watchdog_Remove> 152fc: eaffffa1 b 15188 <_Timer_server_Body+0x50>