=============================================================================== 00005aa4 <_POSIX_Condition_variables_Wait_support>: pthread_cond_t *cond, pthread_mutex_t *mutex, Watchdog_Interval timeout, bool already_timedout ) { 5aa4: e92d45f1 push {r0, r4, r5, r6, r7, r8, sl, lr} 5aa8: e1a04001 mov r4, r1 5aac: e1a06000 mov r6, r0 register POSIX_Condition_variables_Control *the_cond; Objects_Locations location; int status; int mutex_status; if ( !_POSIX_Mutex_Get( mutex, &location ) ) { 5ab0: e1a0100d mov r1, sp 5ab4: e1a00004 mov r0, r4 pthread_cond_t *cond, pthread_mutex_t *mutex, Watchdog_Interval timeout, bool already_timedout ) { 5ab8: e1a08002 mov r8, r2 5abc: e20370ff and r7, r3, #255 ; 0xff register POSIX_Condition_variables_Control *the_cond; Objects_Locations location; int status; int mutex_status; if ( !_POSIX_Mutex_Get( mutex, &location ) ) { 5ac0: eb00006f bl 5c84 <_POSIX_Mutex_Get> 5ac4: e3500000 cmp r0, #0 5ac8: 0a000032 beq 5b98 <_POSIX_Condition_variables_Wait_support+0xf4> */ RTEMS_INLINE_ROUTINE void _Thread_Unnest_dispatch( void ) { RTEMS_COMPILER_MEMORY_BARRIER(); _Thread_Dispatch_disable_level -= 1; 5acc: e59f30d0 ldr r3, [pc, #208] ; 5ba4 <_POSIX_Condition_variables_Wait_support+0x100> 5ad0: e5932000 ldr r2, [r3] 5ad4: e2422001 sub r2, r2, #1 5ad8: e5832000 str r2, [r3] return EINVAL; } _Thread_Unnest_dispatch(); the_cond = _POSIX_Condition_variables_Get( cond, &location ); 5adc: e1a0100d mov r1, sp 5ae0: e1a00006 mov r0, r6 5ae4: ebffff7c bl 58dc <_POSIX_Condition_variables_Get> switch ( location ) { 5ae8: e59d3000 ldr r3, [sp] 5aec: e3530000 cmp r3, #0 return EINVAL; } _Thread_Unnest_dispatch(); the_cond = _POSIX_Condition_variables_Get( cond, &location ); 5af0: e1a0a000 mov sl, r0 switch ( location ) { 5af4: 1a000027 bne 5b98 <_POSIX_Condition_variables_Wait_support+0xf4> case OBJECTS_LOCAL: if ( the_cond->Mutex && ( the_cond->Mutex != *mutex ) ) { 5af8: e5903014 ldr r3, [r0, #20] 5afc: e3530000 cmp r3, #0 5b00: 0a000004 beq 5b18 <_POSIX_Condition_variables_Wait_support+0x74> 5b04: e5942000 ldr r2, [r4] 5b08: e1530002 cmp r3, r2 5b0c: 0a000001 beq 5b18 <_POSIX_Condition_variables_Wait_support+0x74> _Thread_Enable_dispatch(); 5b10: eb000bd9 bl 8a7c <_Thread_Enable_dispatch> 5b14: ea00001f b 5b98 <_POSIX_Condition_variables_Wait_support+0xf4> return EINVAL; } (void) pthread_mutex_unlock( mutex ); 5b18: e1a00004 mov r0, r4 5b1c: eb0000de bl 5e9c _Thread_Enable_dispatch(); return EINVAL; } */ if ( !already_timedout ) { 5b20: e3570000 cmp r7, #0 5b24: 1a000015 bne 5b80 <_POSIX_Condition_variables_Wait_support+0xdc> the_cond->Mutex = *mutex; _Thread_queue_Enter_critical_section( &the_cond->Wait_queue ); _Thread_Executing->Wait.return_code = 0; 5b28: e59f5078 ldr r5, [pc, #120] ; 5ba8 <_POSIX_Condition_variables_Wait_support+0x104> return EINVAL; } */ if ( !already_timedout ) { the_cond->Mutex = *mutex; 5b2c: e5942000 ldr r2, [r4] _Thread_queue_Enter_critical_section( &the_cond->Wait_queue ); _Thread_Executing->Wait.return_code = 0; 5b30: e5953000 ldr r3, [r5] return EINVAL; } */ if ( !already_timedout ) { the_cond->Mutex = *mutex; 5b34: e58a2014 str r2, [sl, #20] _Thread_queue_Enter_critical_section( &the_cond->Wait_queue ); _Thread_Executing->Wait.return_code = 0; 5b38: e5837034 str r7, [r3, #52] ; 0x34 _Thread_Executing->Wait.queue = &the_cond->Wait_queue; _Thread_Executing->Wait.id = *cond; 5b3c: e5961000 ldr r1, [r6] if ( !already_timedout ) { the_cond->Mutex = *mutex; _Thread_queue_Enter_critical_section( &the_cond->Wait_queue ); _Thread_Executing->Wait.return_code = 0; _Thread_Executing->Wait.queue = &the_cond->Wait_queue; 5b40: e28a2018 add r2, sl, #24 _Thread_Executing->Wait.id = *cond; 5b44: e5831020 str r1, [r3, #32] RTEMS_INLINE_ROUTINE void _Thread_queue_Enter_critical_section ( Thread_queue_Control *the_thread_queue ) { the_thread_queue->sync_state = THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; 5b48: e3a01001 mov r1, #1 if ( !already_timedout ) { the_cond->Mutex = *mutex; _Thread_queue_Enter_critical_section( &the_cond->Wait_queue ); _Thread_Executing->Wait.return_code = 0; _Thread_Executing->Wait.queue = &the_cond->Wait_queue; 5b4c: e5832044 str r2, [r3, #68] ; 0x44 _Thread_Executing->Wait.id = *cond; _Thread_queue_Enqueue( &the_cond->Wait_queue, timeout ); 5b50: e1a00002 mov r0, r2 5b54: e58a1048 str r1, [sl, #72] ; 0x48 5b58: e59f204c ldr r2, [pc, #76] ; 5bac <_POSIX_Condition_variables_Wait_support+0x108> 5b5c: e1a01008 mov r1, r8 5b60: eb000cfe bl 8f60 <_Thread_queue_Enqueue_with_handler> _Thread_Enable_dispatch(); 5b64: eb000bc4 bl 8a7c <_Thread_Enable_dispatch> /* * Switch ourself out because we blocked as a result of the * _Thread_queue_Enqueue. */ status = _Thread_Executing->Wait.return_code; 5b68: e5953000 ldr r3, [r5] 5b6c: e5935034 ldr r5, [r3, #52] ; 0x34 if ( status && status != ETIMEDOUT ) 5b70: e3550074 cmp r5, #116 ; 0x74 5b74: 13550000 cmpne r5, #0 5b78: 0a000002 beq 5b88 <_POSIX_Condition_variables_Wait_support+0xe4> 5b7c: ea000006 b 5b9c <_POSIX_Condition_variables_Wait_support+0xf8><== NOT EXECUTED return status; } else { _Thread_Enable_dispatch(); 5b80: eb000bbd bl 8a7c <_Thread_Enable_dispatch> 5b84: e3a05074 mov r5, #116 ; 0x74 /* * When we get here the dispatch disable level is 0. */ mutex_status = pthread_mutex_lock( mutex ); 5b88: e1a00004 mov r0, r4 5b8c: eb0000a3 bl 5e20 if ( mutex_status ) 5b90: e3500000 cmp r0, #0 5b94: 0a000000 beq 5b9c <_POSIX_Condition_variables_Wait_support+0xf8> 5b98: e3a05016 mov r5, #22 case OBJECTS_ERROR: break; } return EINVAL; } 5b9c: e1a00005 mov r0, r5 5ba0: e8bd85f8 pop {r3, r4, r5, r6, r7, r8, sl, pc} =============================================================================== 00006f2c <_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 ) { 6f2c: 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; 6f30: e5913014 ldr r3, [r1, #20] */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 6f34: e281503c add r5, r1, #60 ; 0x3c 6f38: e5815038 str r5, [r1, #56] ; 0x38 the_chain->permanent_null = NULL; 6f3c: e3a05000 mov r5, #0 the_chain->last = _Chain_Head(the_chain); 6f40: 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 ) ) 6f44: 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 ]; 6f48: 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; 6f4c: e581503c str r5, [r1, #60] ; 0x3c 6f50: e285500c add r5, r5, #12 the_chain->last = _Chain_Head(the_chain); 6f54: e581c040 str ip, [r1, #64] ; 0x40 block_state = the_thread_queue->state; 6f58: 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 ]; 6f5c: 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; 6f60: 159f8154 ldrne r8, [pc, #340] ; 70bc <_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 ) ) 6f64: 1a000023 bne 6ff8 <_Thread_queue_Enqueue_priority+0xcc> */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; 6f68: e28c8004 add r8, ip, #4 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 6f6c: e10f5000 mrs r5, CPSR 6f70: e3854080 orr r4, r5, #128 ; 0x80 6f74: 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; 6f78: e3e06000 mvn r6, #0 6f7c: e59c4000 ldr r4, [ip] while ( !_Chain_Is_tail( header, (Chain_Node *)search_thread ) ) { 6f80: ea00000b b 6fb4 <_Thread_queue_Enqueue_priority+0x88> search_priority = search_thread->current_priority; 6f84: e5946014 ldr r6, [r4, #20] if ( priority <= search_priority ) 6f88: e1530006 cmp r3, r6 6f8c: 9a00000a bls 6fbc <_Thread_queue_Enqueue_priority+0x90> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( 6f90: e10fa000 mrs sl, CPSR 6f94: e129f005 msr CPSR_fc, r5 6f98: 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) ) { 6f9c: e594a010 ldr sl, [r4, #16] 6fa0: e117000a tst r7, sl 6fa4: 1a000001 bne 6fb0 <_Thread_queue_Enqueue_priority+0x84> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 6fa8: e129f005 msr CPSR_fc, r5 <== NOT EXECUTED 6fac: eaffffee b 6f6c <_Thread_queue_Enqueue_priority+0x40> <== NOT EXECUTED _ISR_Enable( level ); goto restart_forward_search; } search_thread = (Thread_Control *)search_thread->Object.Node.next; 6fb0: 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 ) ) { 6fb4: e1540008 cmp r4, r8 6fb8: 1afffff1 bne 6f84 <_Thread_queue_Enqueue_priority+0x58> } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != 6fbc: e590c030 ldr ip, [r0, #48] ; 0x30 6fc0: 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 ) ) { 6fc4: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *)search_thread->Object.Node.next; } if ( the_thread_queue->sync_state != 6fc8: 1a000038 bne 70b0 <_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 ) 6fcc: 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; 6fd0: e3a03000 mov r3, #0 6fd4: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) 6fd8: 0a00002a beq 7088 <_Thread_queue_Enqueue_priority+0x15c> goto equal_priority; search_node = (Chain_Node *) search_thread; previous_node = search_node->previous; 6fdc: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; 6fe0: e5814000 str r4, [r1] the_node->previous = previous_node; 6fe4: e5813004 str r3, [r1, #4] previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 6fe8: 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; 6fec: e5831000 str r1, [r3] search_node->previous = the_node; 6ff0: e5841004 str r1, [r4, #4] the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); 6ff4: ea000021 b 7080 <_Thread_queue_Enqueue_priority+0x154> return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; restart_reverse_search: search_priority = PRIORITY_MAXIMUM + 1; 6ff8: e5d86000 ldrb r6, [r8] 6ffc: e2866001 add r6, r6, #1 static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 7000: e10f5000 mrs r5, CPSR 7004: e3854080 orr r4, r5, #128 ; 0x80 7008: e129f004 msr CPSR_fc, r4 _ISR_Disable( level ); search_thread = (Thread_Control *) header->last; 700c: e59c4008 ldr r4, [ip, #8] while ( !_Chain_Is_head( header, (Chain_Node *)search_thread ) ) { 7010: ea00000b b 7044 <_Thread_queue_Enqueue_priority+0x118> search_priority = search_thread->current_priority; 7014: e5946014 ldr r6, [r4, #20] if ( priority >= search_priority ) 7018: e1530006 cmp r3, r6 701c: 2a00000a bcs 704c <_Thread_queue_Enqueue_priority+0x120> static inline void arm_interrupt_flash( uint32_t level ) { uint32_t arm_switch_reg; asm volatile ( 7020: e10fa000 mrs sl, CPSR 7024: e129f005 msr CPSR_fc, r5 7028: 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) ) { 702c: e594a010 ldr sl, [r4, #16] 7030: e117000a tst r7, sl 7034: 1a000001 bne 7040 <_Thread_queue_Enqueue_priority+0x114> static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 7038: e129f005 msr CPSR_fc, r5 703c: eaffffed b 6ff8 <_Thread_queue_Enqueue_priority+0xcc> _ISR_Enable( level ); goto restart_reverse_search; } search_thread = (Thread_Control *) 7040: 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 ) ) { 7044: e154000c cmp r4, ip 7048: 1afffff1 bne 7014 <_Thread_queue_Enqueue_priority+0xe8> } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != 704c: e590c030 ldr ip, [r0, #48] ; 0x30 7050: 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 ) ) { 7054: e1a0c005 mov ip, r5 } search_thread = (Thread_Control *) search_thread->Object.Node.previous; } if ( the_thread_queue->sync_state != 7058: 1a000014 bne 70b0 <_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 ) 705c: 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; 7060: e3a03000 mov r3, #0 7064: e5803030 str r3, [r0, #48] ; 0x30 if ( priority == search_priority ) 7068: 0a000006 beq 7088 <_Thread_queue_Enqueue_priority+0x15c> goto equal_priority; search_node = (Chain_Node *) search_thread; next_node = search_node->next; 706c: e5943000 ldr r3, [r4] the_node = (Chain_Node *) the_thread; the_node->next = next_node; the_node->previous = search_node; 7070: e8810018 stm r1, {r3, r4} search_node->next = the_node; next_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 7074: 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; 7078: e5841000 str r1, [r4] next_node->previous = the_node; 707c: e5831004 str r1, [r3, #4] 7080: e129f005 msr CPSR_fc, r5 7084: ea000007 b 70a8 <_Thread_queue_Enqueue_priority+0x17c> 7088: 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; 708c: e5943004 ldr r3, [r4, #4] the_node = (Chain_Node *) the_thread; the_node->next = search_node; 7090: e5814000 str r4, [r1] the_node->previous = previous_node; 7094: e5813004 str r3, [r1, #4] previous_node->next = the_node; search_node->previous = the_node; the_thread->Wait.queue = the_thread_queue; 7098: 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; 709c: e5831000 str r1, [r3] search_node->previous = the_node; 70a0: e5841004 str r1, [r4, #4] 70a4: e129f00c msr CPSR_fc, ip 70a8: e3a00001 mov r0, #1 the_thread->Wait.queue = the_thread_queue; _ISR_Enable( level ); return THREAD_BLOCKING_OPERATION_NOTHING_HAPPENED; 70ac: 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; 70b0: e582c000 str ip, [r2] return the_thread_queue->sync_state; 70b4: e5900030 ldr r0, [r0, #48] ; 0x30 } 70b8: e8bd85f0 pop {r4, r5, r6, r7, r8, sl, pc} =============================================================================== 00014a24 <_Timer_server_Body>: * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { 14a24: e92d4ff0 push {r4, r5, r6, r7, r8, r9, sl, fp, lr} 14a28: e24dd020 sub sp, sp, #32 14a2c: e28d3014 add r3, sp, #20 14a30: 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; 14a34: e3a09000 mov r9, #0 */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Tail( Chain_Control *the_chain ) { return (Chain_Node *) &the_chain->permanent_null; 14a38: e283a004 add sl, r3, #4 14a3c: 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); 14a40: e58d301c str r3, [sp, #28] static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); 14a44: e2802008 add r2, r0, #8 static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 14a48: e2803040 add r3, r0, #64 ; 0x40 */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 14a4c: e58da014 str sl, [sp, #20] the_chain->permanent_null = NULL; 14a50: e58d9018 str r9, [sp, #24] */ RTEMS_INLINE_ROUTINE void _Chain_Initialize_empty( Chain_Control *the_chain ) { the_chain->first = _Chain_Tail(the_chain); 14a54: e58d8008 str r8, [sp, #8] the_chain->permanent_null = NULL; 14a58: e58d900c str r9, [sp, #12] the_chain->last = _Chain_Head(the_chain); 14a5c: e58d5010 str r5, [sp, #16] static void _Timer_server_Stop_interval_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->Interval_watchdogs.System_watchdog ); 14a60: e58d2004 str r2, [sp, #4] static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 14a64: e58d3000 str r3, [sp] * @a arg points to the corresponding timer server control block. */ static rtems_task _Timer_server_Body( rtems_task_argument arg ) { 14a68: e1a04000 mov r4, r0 */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 14a6c: 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 ); 14a70: 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; 14a74: e28d2014 add r2, sp, #20 14a78: 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; 14a7c: e59f2168 ldr r2, [pc, #360] ; 14bec <_Timer_server_Body+0x1c8> 14a80: e5923000 ldr r3, [r2] /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; 14a84: e594103c ldr r1, [r4, #60] ; 0x3c watchdogs->last_snapshot = snapshot; _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 14a88: e1a02005 mov r2, r5 14a8c: e0611003 rsb r1, r1, r3 /* * We assume adequate unsigned arithmetic here. */ Watchdog_Interval delta = snapshot - watchdogs->last_snapshot; watchdogs->last_snapshot = snapshot; 14a90: e584303c str r3, [r4, #60] ; 0x3c _Watchdog_Adjust_to_chain( &watchdogs->Chain, delta, fire_chain ); 14a94: e1a0000b mov r0, fp 14a98: eb00106c bl 18c50 <_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(); 14a9c: e59f314c ldr r3, [pc, #332] ; 14bf0 <_Timer_server_Body+0x1cc> Watchdog_Interval last_snapshot = watchdogs->last_snapshot; 14aa0: 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(); 14aa4: 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 ) { 14aa8: e1560002 cmp r6, r2 14aac: 9a000004 bls 14ac4 <_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 ); 14ab0: e0621006 rsb r1, r2, r6 14ab4: e1a00007 mov r0, r7 14ab8: e1a02005 mov r2, r5 14abc: eb001063 bl 18c50 <_Watchdog_Adjust_to_chain> 14ac0: ea000003 b 14ad4 <_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 ); 14ac4: 30662002 rsbcc r2, r6, r2 14ac8: 31a00007 movcc r0, r7 14acc: 33a01001 movcc r1, #1 14ad0: 3b001036 blcc 18bb0 <_Watchdog_Adjust> } watchdogs->last_snapshot = snapshot; 14ad4: 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 ); 14ad8: e5940078 ldr r0, [r4, #120] ; 0x78 14adc: eb00023b bl 153d0 <_Chain_Get> if ( timer == NULL ) { 14ae0: e2501000 subs r1, r0, #0 14ae4: 0a00000a beq 14b14 <_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 ) { 14ae8: e5913038 ldr r3, [r1, #56] ; 0x38 14aec: e3530001 cmp r3, #1 _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); 14af0: 02811010 addeq r1, r1, #16 14af4: 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 ) { 14af8: 0a000003 beq 14b0c <_Timer_server_Body+0xe8> _Watchdog_Insert( &ts->Interval_watchdogs.Chain, &timer->Ticker ); } else if ( timer->the_class == TIMER_TIME_OF_DAY_ON_TASK ) { 14afc: e3530003 cmp r3, #3 14b00: 1afffff4 bne 14ad8 <_Timer_server_Body+0xb4> _Watchdog_Insert( &ts->TOD_watchdogs.Chain, &timer->Ticker ); 14b04: e2811010 add r1, r1, #16 14b08: e1a00007 mov r0, r7 14b0c: eb00107c bl 18d04 <_Watchdog_Insert> 14b10: eafffff0 b 14ad8 <_Timer_server_Body+0xb4> static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 14b14: e10f3000 mrs r3, CPSR 14b18: e3832080 orr r2, r3, #128 ; 0x80 14b1c: e129f002 msr CPSR_fc, r2 * body loop. */ _Timer_server_Process_insertions( ts ); _ISR_Disable( level ); if ( _Chain_Is_empty( insert_chain ) ) { 14b20: e59d2014 ldr r2, [sp, #20] 14b24: e152000a cmp r2, sl 14b28: 1a000005 bne 14b44 <_Timer_server_Body+0x120> ts->insert_chain = NULL; 14b2c: e5841078 str r1, [r4, #120] ; 0x78 static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 14b30: 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 ) ) { 14b34: e59d3008 ldr r3, [sp, #8] 14b38: e1530008 cmp r3, r8 14b3c: 1a000002 bne 14b4c <_Timer_server_Body+0x128> 14b40: ea000015 b 14b9c <_Timer_server_Body+0x178> 14b44: e129f003 msr CPSR_fc, r3 <== NOT EXECUTED 14b48: eaffffcb b 14a7c <_Timer_server_Body+0x58> <== NOT EXECUTED static inline uint32_t arm_interrupt_disable( void ) { uint32_t arm_switch_reg; uint32_t level; asm volatile ( 14b4c: e10f2000 mrs r2, CPSR 14b50: e3823080 orr r3, r2, #128 ; 0x80 14b54: e129f003 msr CPSR_fc, r3 */ RTEMS_INLINE_ROUTINE bool _Chain_Is_empty( Chain_Control *the_chain ) { return (the_chain->first == _Chain_Tail(the_chain)); 14b58: e59d3008 ldr r3, [sp, #8] */ RTEMS_INLINE_ROUTINE Chain_Node *_Chain_Get_unprotected( Chain_Control *the_chain ) { if ( !_Chain_Is_empty(the_chain)) 14b5c: e1530008 cmp r3, r8 14b60: 0a00000b beq 14b94 <_Timer_server_Body+0x170> { Chain_Node *return_node; Chain_Node *new_first; return_node = the_chain->first; new_first = return_node->next; 14b64: 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 ) { 14b68: e3530000 cmp r3, #0 the_chain->first = new_first; 14b6c: e58d1008 str r1, [sp, #8] new_first->previous = _Chain_Head(the_chain); 14b70: e5815004 str r5, [r1, #4] 14b74: 0a000006 beq 14b94 <_Timer_server_Body+0x170> watchdog->state = WATCHDOG_INACTIVE; 14b78: e5839008 str r9, [r3, #8] static inline void arm_interrupt_enable( uint32_t level ) { ARM_SWITCH_REGISTERS; asm volatile ( 14b7c: 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 ); 14b80: e2830020 add r0, r3, #32 14b84: e8900003 ldm r0, {r0, r1} 14b88: e1a0e00f mov lr, pc 14b8c: e593f01c ldr pc, [r3, #28] } 14b90: eaffffed b 14b4c <_Timer_server_Body+0x128> 14b94: e129f002 msr CPSR_fc, r2 14b98: eaffffb5 b 14a74 <_Timer_server_Body+0x50> } else { ts->active = false; 14b9c: e5c4907c strb r9, [r4, #124] ; 0x7c 14ba0: e59f304c ldr r3, [pc, #76] ; 14bf4 <_Timer_server_Body+0x1d0> 14ba4: e5932000 ldr r2, [r3] 14ba8: e2822001 add r2, r2, #1 14bac: e5832000 str r2, [r3] /* * Block until there is something to do. */ _Thread_Disable_dispatch(); _Thread_Set_state( ts->thread, STATES_DELAYING ); 14bb0: e3a01008 mov r1, #8 14bb4: e5940000 ldr r0, [r4] 14bb8: eb000d9f bl 1823c <_Thread_Set_state> _Timer_server_Reset_interval_system_watchdog( ts ); 14bbc: e1a00004 mov r0, r4 14bc0: ebffff6b bl 14974 <_Timer_server_Reset_interval_system_watchdog> _Timer_server_Reset_tod_system_watchdog( ts ); 14bc4: e1a00004 mov r0, r4 14bc8: ebffff7f bl 149cc <_Timer_server_Reset_tod_system_watchdog> _Thread_Enable_dispatch(); 14bcc: eb000b01 bl 177d8 <_Thread_Enable_dispatch> ts->active = true; 14bd0: e3a03001 mov r3, #1 14bd4: 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 ); 14bd8: e59d0004 ldr r0, [sp, #4] 14bdc: eb0010a1 bl 18e68 <_Watchdog_Remove> static void _Timer_server_Stop_tod_system_watchdog( Timer_server_Control *ts ) { _Watchdog_Remove( &ts->TOD_watchdogs.System_watchdog ); 14be0: e59d0000 ldr r0, [sp] 14be4: eb00109f bl 18e68 <_Watchdog_Remove> 14be8: eaffffa1 b 14a74 <_Timer_server_Body+0x50>