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Verified alignment check of stack top pointer.

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This commit is contained in:
Tobias Reinhard 2022-10-28 13:59:45 -04:00
parent eedbfe3255
commit ead381f413
4 changed files with 273 additions and 249 deletions
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26
tasks.c
View file

@ -59,6 +59,7 @@
#include "task_predicates.h" #include "task_predicates.h"
#include "verifast_RP2040_axioms.h" #include "verifast_RP2040_axioms.h"
#include "verifast_prelude_extended.h" #include "verifast_prelude_extended.h"
#include "verifast_bitops_extended.h"
#include "verifast_asm.h" #include "verifast_asm.h"
#include "snippets/rp2040_port_c_snippets.c" #include "snippets/rp2040_port_c_snippets.c"
@ -1507,10 +1508,6 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
// Axiomatize that pointers on RP2040 are 32bit // Axiomatize that pointers on RP2040 are 32bit
//@ ptr_range<uint32_t>(pxTopOfStack); //@ ptr_range<uint32_t>(pxTopOfStack);
// TODO: How can we prove this?
// Assume that no underflow occurs
///@ assume( 0 <= (( (uint32_t) pxTopOfStack) & ~(7)) );
/* Convert top and mask to VeriFast bitvectors and establish /* Convert top and mask to VeriFast bitvectors and establish
* relation to C variables. * relation to C variables.
* Note that on RP2040: * Note that on RP2040:
@ -1523,21 +1520,22 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
//@ bitnot_def(gMask, gzMask); //@ bitnot_def(gMask, gzMask);
//@ bitand_def((int) pxTopOfStack, gzTop, ~gMask, Z_not(gzMask)); //@ bitand_def((int) pxTopOfStack, gzTop, ~gMask, Z_not(gzMask));
// TODO: How can we prove this?
// Assume that no overflow occurs.
///@ assume( (((uint32_t) pxTopOfStack) & ~7) <= UINTPTR_MAX);
pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */ pxTopOfStack = ( StackType_t * ) ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack ) & ( ~( ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */
//@ assert( pxTopOfStack <= gOldTop );
//@ assert( gOldTop - 7 <= pxTopOfStack ); // The following alignment assertions hold but take very long to verify.
//@ assert(false); ///@ assert( pxTopOfStack <= gOldTop );
///@ assert( gOldTop - 7 <= pxTopOfStack );
/* Check the alignment of the calculated top of stack is correct. */ /* Check the alignment of the calculated top of stack is correct. */
#ifndef VERIFAST
// TODO: Figure out how to handle configASSERT/__builtin_expect // Same as above but for aligned top pointer:
// maybe replace by VF assertion. //@ Z gzAlignedTop = Z_of_uint32((int) pxTopOfStack);
//@ bitand_def((int) pxTopOfStack, gzAlignedTop, gMask, gzMask);
configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) ); configASSERT( ( ( ( portPOINTER_SIZE_TYPE ) pxTopOfStack & ( portPOINTER_SIZE_TYPE ) portBYTE_ALIGNMENT_MASK ) == 0UL ) );
#endif /* VERIFAST */ //@ assert(false);
#if ( configRECORD_STACK_HIGH_ADDRESS == 1 ) #if ( configRECORD_STACK_HIGH_ADDRESS == 1 )
{ {

282
verification/verifast/preprocessed_files/tasks--pp.c
View file

@ -10153,6 +10153,16 @@ lemma_auto void integers___to_integers_(void *p);
ensures [f]integers_(p, size, signed_, count, _); ensures [f]integers_(p, size, signed_, count, _);
@*/ @*/
// # 62 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2 // # 62 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2
// # 1 "/Users/reitobia/repos2/FreeRTOS-Kernel/verification/verifast/proof/verifast_bitops_extended.h" 1
/*@
lemma void bitand_idempotent_right(int l, int r);
requires true;
ensures (l & r) == ((l & r) & r);
@*/
// # 63 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2
// # 1 "/Users/reitobia/repos2/FreeRTOS-Kernel/verification/verifast/proof_setup/verifast_asm.h" 1 // # 1 "/Users/reitobia/repos2/FreeRTOS-Kernel/verification/verifast/proof_setup/verifast_asm.h" 1
@ -10166,7 +10176,7 @@ lemma_auto void integers___to_integers_(void *p);
* in many contexts where function calls are permitted. */ * in many contexts where function calls are permitted. */
bool assert_fct(bool b) bool assert_fct(bool b)
{ {
(__builtin_expect(!(b), 0) ? __assert_rtn ((const char *)-1L, "verifast_asm.h", 13, "b") : (void)0); assert(b);
return b; return b;
} }
@ -10178,7 +10188,7 @@ bool assert_fct(bool b)
* VeriFast does not support embedding block statements that consist of * VeriFast does not support embedding block statements that consist of
* multiple elemts in expression contexts, e.g., `({e1; e2})`. * multiple elemts in expression contexts, e.g., `({e1; e2})`.
*/ */
// # 63 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2 // # 64 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2
// # 1 "/Users/reitobia/repos2/FreeRTOS-Kernel/verification/verifast/proof/snippets/rp2040_port_c_snippets.c" 1 // # 1 "/Users/reitobia/repos2/FreeRTOS-Kernel/verification/verifast/proof/snippets/rp2040_port_c_snippets.c" 1
/* /*
@ -10322,7 +10332,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
//@ close stack_p(pxStack, ulStackDepth, pxTopOfStack, ulStackDepth-16); //@ close stack_p(pxStack, ulStackDepth, pxTopOfStack, ulStackDepth-16);
return pxTopOfStack; return pxTopOfStack;
} }
// # 65 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2 // # 66 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" 2
/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified /* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
@ -10333,7 +10343,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
/* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting /* Set configUSE_STATS_FORMATTING_FUNCTIONS to 2 to include the stats formatting
* functions but without including stdio.h here. */ * functions but without including stdio.h here. */
// # 93 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 94 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* Values that can be assigned to the ucNotifyState member of the TCB. */ /* Values that can be assigned to the ucNotifyState member of the TCB. */
@ -10390,18 +10400,18 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
/* uxTopReadyPriority holds the priority of the highest priority ready /* uxTopReadyPriority holds the priority of the highest priority ready
* state task. */ * state task. */
// # 157 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 158 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* Define away taskRESET_READY_PRIORITY() and portRESET_READY_PRIORITY() as /* Define away taskRESET_READY_PRIORITY() and portRESET_READY_PRIORITY() as
* they are only required when a port optimised method of task selection is * they are only required when a port optimised method of task selection is
* being used. */ * being used. */
// # 191 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 192 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* pxDelayedTaskList and pxOverflowDelayedTaskList are switched when the tick /* pxDelayedTaskList and pxOverflowDelayedTaskList are switched when the tick
* count overflows. */ * count overflows. */
// # 209 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 210 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
/* /*
@ -10456,7 +10466,7 @@ typedef BaseType_t TaskRunning_t;
typedef struct tskTaskControlBlock /* The old naming convention is used to prevent breaking kernel aware debuggers. */ typedef struct tskTaskControlBlock /* The old naming convention is used to prevent breaking kernel aware debuggers. */
{ {
volatile StackType_t * pxTopOfStack; /*< Points to the location of the last item placed on the tasks stack. THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */ volatile StackType_t * pxTopOfStack; /*< Points to the location of the last item placed on the tasks stack. THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */
// # 272 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 273 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
ListItem_t xStateListItem; /*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */ ListItem_t xStateListItem; /*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */
ListItem_t xEventListItem; /*< Used to reference a task from an event list. */ ListItem_t xEventListItem; /*< Used to reference a task from an event list. */
UBaseType_t uxPriority; /*< The priority of the task. 0 is the lowest priority. */ UBaseType_t uxPriority; /*< The priority of the task. 0 is the lowest priority. */
@ -10464,7 +10474,7 @@ typedef struct tskTaskControlBlock /* The old naming convention is used to preve
volatile TaskRunning_t xTaskRunState; /*< Used to identify the core the task is running on, if any. */ volatile TaskRunning_t xTaskRunState; /*< Used to identify the core the task is running on, if any. */
BaseType_t xIsIdle; /*< Used to identify the idle tasks. */ BaseType_t xIsIdle; /*< Used to identify the idle tasks. */
char pcTaskName[ 16 ]; /*< Descriptive name given to the task when created. Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */ char pcTaskName[ 16 ]; /*< Descriptive name given to the task when created. Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
// # 289 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 290 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
UBaseType_t uxCriticalNesting; /*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */ UBaseType_t uxCriticalNesting; /*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */
@ -10484,7 +10494,7 @@ typedef struct tskTaskControlBlock /* The old naming convention is used to preve
void * pvThreadLocalStoragePointers[ 5 ]; void * pvThreadLocalStoragePointers[ 5 ];
// # 329 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 330 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
volatile uint32_t ulNotifiedValue[ 1 ]; volatile uint32_t ulNotifiedValue[ 1 ];
volatile uint8_t ucNotifyState[ 1 ]; volatile uint8_t ucNotifyState[ 1 ];
@ -10575,7 +10585,7 @@ const volatile UBaseType_t uxTopUsedPriority = 32 - 1U;
* must not be done by an ISR. Reads must be protected by either lock and may be done by * must not be done by an ISR. Reads must be protected by either lock and may be done by
* either an ISR or a task. */ * either an ISR or a task. */
static volatile UBaseType_t uxSchedulerSuspended = ( UBaseType_t ) ( ( char ) 0 ); static volatile UBaseType_t uxSchedulerSuspended = ( UBaseType_t ) ( ( char ) 0 );
// # 429 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 430 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*lint -restore */ /*lint -restore */
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -10728,7 +10738,7 @@ static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait,
* will exit the Blocked state. * will exit the Blocked state.
*/ */
static void prvResetNextTaskUnblockTime( void ) ; static void prvResetNextTaskUnblockTime( void ) ;
// # 593 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 594 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* /*
* Called after a Task_t structure has been allocated either statically or * Called after a Task_t structure has been allocated either statically or
* dynamically to fill in the structure's members. * dynamically to fill in the structure's members.
@ -10760,9 +10770,9 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB ) ;
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 643 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 644 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 726 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 727 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvYieldCore( BaseType_t xCoreID ) static void prvYieldCore( BaseType_t xCoreID )
@ -10804,8 +10814,8 @@ static void prvYieldForTask( TCB_t * pxTCB,
/* THIS FUNCTION MUST BE CALLED FROM A CRITICAL SECTION */ /* THIS FUNCTION MUST BE CALLED FROM A CRITICAL SECTION */
(__builtin_expect(!(xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 767, "xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U") : (void)0); assert(xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U);
// # 780 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 781 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
xLowestPriority = ( BaseType_t ) pxTCB->uxPriority; xLowestPriority = ( BaseType_t ) pxTCB->uxPriority;
if( xPreemptEqualPriority == ( ( char ) 0 ) ) if( xPreemptEqualPriority == ( ( char ) 0 ) )
@ -10844,7 +10854,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
{ {
; ;
} }
// # 834 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 835 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
else else
{ {
@ -10857,7 +10867,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
prvYieldCore( xLowestPriorityCore ); prvYieldCore( xLowestPriorityCore );
xYieldCount++; xYieldCount++;
} }
// # 854 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 855 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -10868,10 +10878,10 @@ static void prvYieldForTask( TCB_t * pxTCB,
UBaseType_t uxCurrentPriority = uxTopReadyPriority; UBaseType_t uxCurrentPriority = uxTopReadyPriority;
BaseType_t xTaskScheduled = ( ( char ) 0 ); BaseType_t xTaskScheduled = ( ( char ) 0 );
BaseType_t xDecrementTopPriority = ( ( char ) 1 ); BaseType_t xDecrementTopPriority = ( ( char ) 1 );
// # 872 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 873 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
while( xTaskScheduled == ( ( char ) 0 ) ) while( xTaskScheduled == ( ( char ) 0 ) )
{ {
// # 886 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 887 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
if( ( ( ( &( pxReadyTasksLists[ uxCurrentPriority ] ) )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? ( ( char ) 1 ) : ( ( char ) 0 ) ) == ( ( char ) 0 ) ) if( ( ( ( &( pxReadyTasksLists[ uxCurrentPriority ] ) )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? ( ( char ) 1 ) : ( ( char ) 0 ) ) == ( ( char ) 0 ) )
{ {
@ -10909,7 +10919,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
pxTCB = pxTaskItem->pvOwner; pxTCB = pxTaskItem->pvOwner;
/*debug_printf("Attempting to schedule %s on core %d\n", pxTCB->pcTaskName, portGET_CORE_ID() ); */ /*debug_printf("Attempting to schedule %s on core %d\n", pxTCB->pcTaskName, portGET_CORE_ID() ); */
// # 939 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 940 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
if( pxTCB->xTaskRunState == ( TaskRunning_t ) ( -1 ) ) if( pxTCB->xTaskRunState == ( TaskRunning_t ) ( -1 ) )
{ {
@ -10930,7 +10940,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
} }
else if( pxTCB == pxCurrentTCBs[ xCoreID ] ) else if( pxTCB == pxCurrentTCBs[ xCoreID ] )
{ {
(__builtin_expect(!(( pxTCB->xTaskRunState == xCoreID ) || ( pxTCB->xTaskRunState == ( TaskRunning_t ) ( -2 ) )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 959, "( pxTCB->xTaskRunState == xCoreID ) || ( pxTCB->xTaskRunState == ( TaskRunning_t ) ( -2 ) )") : (void)0); assert(( pxTCB->xTaskRunState == xCoreID ) || ( pxTCB->xTaskRunState == ( TaskRunning_t ) ( -2 ) ));
@ -10974,21 +10984,21 @@ static void prvYieldForTask( TCB_t * pxTCB,
return ( ( char ) 0 ); return ( ( char ) 0 );
} }
(__builtin_expect(!(( uxCurrentPriority > ( ( UBaseType_t ) 0U ) ) || ( xTaskScheduled == ( ( char ) 1 ) )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 1003, "( uxCurrentPriority > ( ( UBaseType_t ) 0U ) ) || ( xTaskScheduled == ( ( char ) 1 ) )") : (void)0); assert(( uxCurrentPriority > ( ( UBaseType_t ) 0U ) ) || ( xTaskScheduled == ( ( char ) 1 ) ));
uxCurrentPriority--; uxCurrentPriority--;
} }
(__builtin_expect(!(( ( 0 <= pxCurrentTCBs[ xCoreID ]->xTaskRunState ) && ( pxCurrentTCBs[ xCoreID ]->xTaskRunState < 1 ) )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 1007, "( ( 0 <= pxCurrentTCBs[ xCoreID ]->xTaskRunState ) && ( pxCurrentTCBs[ xCoreID ]->xTaskRunState < 1 ) )") : (void)0); assert(( ( 0 <= pxCurrentTCBs[ xCoreID ]->xTaskRunState ) && ( pxCurrentTCBs[ xCoreID ]->xTaskRunState < 1 ) ));
// # 1083 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1084 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
return ( ( char ) 1 ); return ( ( char ) 1 );
} }
// # 1099 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1100 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 1177 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1178 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 1240 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1241 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 1306 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1307 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -11005,7 +11015,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
chars(pcName, 16, _); chars(pcName, 16, _);
@*/ @*/
//@ ensures true; //@ ensures true;
// # 1335 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1336 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
TCB_t * pxNewTCB; TCB_t * pxNewTCB;
BaseType_t xReturn; BaseType_t xReturn;
@ -11013,7 +11023,7 @@ static void prvYieldForTask( TCB_t * pxTCB,
/* If the stack grows down then allocate the stack then the TCB so the stack /* If the stack grows down then allocate the stack then the TCB so the stack
* does not grow into the TCB. Likewise if the stack grows up then allocate * does not grow into the TCB. Likewise if the stack grows up then allocate
* the TCB then the stack. */ * the TCB then the stack. */
// # 1365 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1366 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
StackType_t * pxStack; StackType_t * pxStack;
@ -11051,9 +11061,9 @@ static void prvYieldForTask( TCB_t * pxTCB,
if( pxNewTCB != 0 ) if( pxNewTCB != 0 )
{ {
// # 1410 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1411 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
prvInitialiseNewTask( pxTaskCode, pcName, ( uint32_t ) usStackDepth, pvParameters, uxPriority, pxCreatedTask, pxNewTCB, 0 ); prvInitialiseNewTask( pxTaskCode, pcName, ( uint32_t ) usStackDepth, pvParameters, uxPriority, pxCreatedTask, pxNewTCB, 0 );
// # 1419 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1420 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
prvAddNewTaskToReadyList( pxNewTCB ); prvAddNewTaskToReadyList( pxNewTCB );
xReturn = ( ( ( char ) 1 ) ); xReturn = ( ( ( char ) 1 ) );
} }
@ -11091,7 +11101,7 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
{ {
StackType_t * pxTopOfStack; StackType_t * pxTopOfStack;
UBaseType_t x; UBaseType_t x;
// # 1473 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1474 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
//@ open uninit_TCB_p(_,_); //@ open uninit_TCB_p(_,_);
/* Avoid dependency on memset() if it is not required. */ /* Avoid dependency on memset() if it is not required. */
@ -11129,10 +11139,6 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
// Axiomatize that pointers on RP2040 are 32bit // Axiomatize that pointers on RP2040 are 32bit
//@ ptr_range<uint32_t>(pxTopOfStack); //@ ptr_range<uint32_t>(pxTopOfStack);
// TODO: How can we prove this?
// Assume that no underflow occurs
///@ assume( 0 <= (( (uint32_t) pxTopOfStack) & ~(7)) );
/* Convert top and mask to VeriFast bitvectors and establish /* Convert top and mask to VeriFast bitvectors and establish
* relation to C variables. * relation to C variables.
* Note that on RP2040: * Note that on RP2040:
@ -11145,18 +11151,24 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
//@ bitnot_def(gMask, gzMask); //@ bitnot_def(gMask, gzMask);
//@ bitand_def((int) pxTopOfStack, gzTop, ~gMask, Z_not(gzMask)); //@ bitand_def((int) pxTopOfStack, gzTop, ~gMask, Z_not(gzMask));
// TODO: How can we prove this?
// Assume that no overflow occurs.
///@ assume( (((uint32_t) pxTopOfStack) & ~7) <= UINTPTR_MAX);
pxTopOfStack = ( StackType_t * ) ( ( ( uint32_t ) pxTopOfStack ) & ( ~( ( uint32_t ) ( 0x0007 ) ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */ pxTopOfStack = ( StackType_t * ) ( ( ( uint32_t ) pxTopOfStack ) & ( ~( ( uint32_t ) ( 0x0007 ) ) ) ); /*lint !e923 !e9033 !e9078 MISRA exception. Avoiding casts between pointers and integers is not practical. Size differences accounted for using portPOINTER_SIZE_TYPE type. Checked by assert(). */
//@ assert( pxTopOfStack <= gOldTop );
//@ assert( gOldTop - 7 <= pxTopOfStack ); // The following alignment assertions hold but take very long to verify.
//@ assert(false); ///@ assert( pxTopOfStack <= gOldTop );
///@ assert( gOldTop - 7 <= pxTopOfStack );
/* Check the alignment of the calculated top of stack is correct. */ /* Check the alignment of the calculated top of stack is correct. */
// # 1549 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
// Same as above but for aligned top pointer:
//@ Z gzAlignedTop = Z_of_uint32((int) pxTopOfStack);
//@ bitand_def((int) pxTopOfStack, gzAlignedTop, gMask, gzMask);
assert(( ( ( uint32_t ) pxTopOfStack & ( uint32_t ) ( 0x0007 ) ) == 0UL ));
//@ assert(false);
// # 1547 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
// # 1563 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1561 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
//@ close uninit_TCB_p(pxNewTCB, stackSize); //@ close uninit_TCB_p(pxNewTCB, stackSize);
/* Store the task name in the TCB. */ /* Store the task name in the TCB. */
@ -11246,7 +11258,7 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
{ {
pxNewTCB->uxCriticalNesting = ( UBaseType_t ) 0U; pxNewTCB->uxCriticalNesting = ( UBaseType_t ) 0U;
} }
// # 1671 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1669 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
/* Avoid compiler warning about unreferenced parameter. */ /* Avoid compiler warning about unreferenced parameter. */
( void ) xRegions; ( void ) xRegions;
@ -11273,7 +11285,7 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
//@ uchars__to_chars_(pxNewTCB->ucNotifyState); //@ uchars__to_chars_(pxNewTCB->ucNotifyState);
memset( ( void * ) &( pxNewTCB->ucNotifyState[ 0 ] ), 0x00, sizeof( pxNewTCB->ucNotifyState ) ); memset( ( void * ) &( pxNewTCB->ucNotifyState[ 0 ] ), 0x00, sizeof( pxNewTCB->ucNotifyState ) );
} }
// # 1709 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1707 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
/* Reason for rewrite: Assignment not type safe. */ /* Reason for rewrite: Assignment not type safe. */
@ -11282,17 +11294,17 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
} }
// # 1732 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1730 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* Initialize the TCB stack to look as if the task was already running, /* Initialize the TCB stack to look as if the task was already running,
* but had been interrupted by the scheduler. The return address is set * but had been interrupted by the scheduler. The return address is set
* to the start of the task function. Once the stack has been initialised * to the start of the task function. Once the stack has been initialised
* the top of stack variable is updated. */ * the top of stack variable is updated. */
// # 1760 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1758 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
/* If the port has capability to detect stack overflow, /* If the port has capability to detect stack overflow,
* pass the stack end address to the stack initialization * pass the stack end address to the stack initialization
* function as well. */ * function as well. */
// # 1777 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 1775 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters ); pxNewTCB->pxTopOfStack = pxPortInitialiseStack( pxTopOfStack, pxTaskCode, pvParameters );
} }
@ -11503,7 +11515,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
if( xTaskRunningOnCore == xCoreID ) if( xTaskRunningOnCore == xCoreID )
{ {
(__builtin_expect(!(uxSchedulerSuspended == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 1987, "uxSchedulerSuspended == 0") : (void)0); assert(uxSchedulerSuspended == 0);
vTaskYieldWithinAPI(); vTaskYieldWithinAPI();
} }
else else
@ -11526,12 +11538,12 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
TickType_t xTimeToWake; TickType_t xTimeToWake;
BaseType_t xAlreadyYielded, xShouldDelay = ( ( char ) 0 ); BaseType_t xAlreadyYielded, xShouldDelay = ( ( char ) 0 );
(__builtin_expect(!(pxPreviousWakeTime), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2010, "pxPreviousWakeTime") : (void)0); assert(pxPreviousWakeTime);
(__builtin_expect(!(( xTimeIncrement > 0U )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2011, "( xTimeIncrement > 0U )") : (void)0); assert(( xTimeIncrement > 0U ));
vTaskSuspendAll(); vTaskSuspendAll();
{ {
(__builtin_expect(!(uxSchedulerSuspended == 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2015, "uxSchedulerSuspended == 1") : (void)0); assert(uxSchedulerSuspended == 1);
/* Minor optimisation. The tick count cannot change in this /* Minor optimisation. The tick count cannot change in this
* block. */ * block. */
@ -11617,7 +11629,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
{ {
vTaskSuspendAll(); vTaskSuspendAll();
{ {
(__builtin_expect(!(uxSchedulerSuspended == 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2101, "uxSchedulerSuspended == 1") : (void)0); assert(uxSchedulerSuspended == 1);
; ;
/* A task that is removed from the event list while the /* A task that is removed from the event list while the
@ -11671,7 +11683,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
const TCB_t * const pxTCB = xTask; const TCB_t * const pxTCB = xTask;
(__builtin_expect(!(pxTCB), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2155, "pxTCB") : (void)0); assert(pxTCB);
vTaskEnterCritical(); vTaskEnterCritical();
{ {
@ -11847,7 +11859,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
BaseType_t xYieldForTask = ( ( char ) 0 ); BaseType_t xYieldForTask = ( ( char ) 0 );
BaseType_t xCoreID; BaseType_t xCoreID;
(__builtin_expect(!(( uxNewPriority < 32 )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2331, "( uxNewPriority < 32 )") : (void)0); assert(( uxNewPriority < 32 ));
/* Ensure the new priority is valid. */ /* Ensure the new priority is valid. */
if( uxNewPriority >= ( UBaseType_t ) 32 ) if( uxNewPriority >= ( UBaseType_t ) 32 )
@ -12001,13 +12013,13 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 2519 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 2517 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 2542 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 2540 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 2560 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 2558 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 2588 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 2586 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -12084,7 +12096,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
if( xTaskRunningOnCore == 0 ) if( xTaskRunningOnCore == 0 )
{ {
/* The current task has just been suspended. */ /* The current task has just been suspended. */
(__builtin_expect(!(uxSchedulerSuspended == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2664, "uxSchedulerSuspended == 0") : (void)0); assert(uxSchedulerSuspended == 0);
vTaskYieldWithinAPI(); vTaskYieldWithinAPI();
} }
else else
@ -12098,7 +12110,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
{ {
vTaskExitCritical(); vTaskExitCritical();
(__builtin_expect(!(pxTCB == pxCurrentTCBs[ xTaskRunningOnCore ]), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2678, "pxTCB == pxCurrentTCBs[ xTaskRunningOnCore ]") : (void)0); assert(pxTCB == pxCurrentTCBs[ xTaskRunningOnCore ]);
/* The scheduler is not running, but the task that was pointed /* The scheduler is not running, but the task that was pointed
* to by pxCurrentTCB has just been suspended and pxCurrentTCB * to by pxCurrentTCB has just been suspended and pxCurrentTCB
@ -12145,7 +12157,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
/* Accesses xPendingReadyList so must be called from a critical section. */ /* Accesses xPendingReadyList so must be called from a critical section. */
/* It does not make sense to check if the calling task is suspended. */ /* It does not make sense to check if the calling task is suspended. */
(__builtin_expect(!(xTask), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2725, "xTask") : (void)0); assert(xTask);
/* Is the task being resumed actually in the suspended list? */ /* Is the task being resumed actually in the suspended list? */
if( ( ( ( &( pxTCB->xStateListItem ) )->pxContainer == ( &xSuspendedTaskList ) ) ? ( ( ( char ) 1 ) ) : ( ( ( char ) 0 ) ) ) != ( ( char ) 0 ) ) if( ( ( ( &( pxTCB->xStateListItem ) )->pxContainer == ( &xSuspendedTaskList ) ) ? ( ( ( char ) 1 ) ) : ( ( ( char ) 0 ) ) ) != ( ( char ) 0 ) )
@ -12194,7 +12206,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
/* It does not make sense to resume the calling task. */ /* It does not make sense to resume the calling task. */
(__builtin_expect(!(xTaskToResume), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2774, "xTaskToResume") : (void)0); assert(xTaskToResume);
/* The parameter cannot be NULL as it is impossible to resume the /* The parameter cannot be NULL as it is impossible to resume the
* currently executing task. It is also impossible to resume a task * currently executing task. It is also impossible to resume a task
@ -12253,7 +12265,7 @@ static void prvAddNewTaskToReadyList( TCB_t * pxNewTCB )
UBaseType_t uxSavedInterruptStatus; UBaseType_t uxSavedInterruptStatus;
(__builtin_expect(!(xTaskToResume), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 2833, "xTaskToResume") : (void)0); assert(xTaskToResume);
/* RTOS ports that support interrupt nesting have the concept of a /* RTOS ports that support interrupt nesting have the concept of a
* maximum system call (or maximum API call) interrupt priority. * maximum system call (or maximum API call) interrupt priority.
@ -12374,7 +12386,7 @@ static BaseType_t prvCreateIdleTasks( void )
{ {
; ;
} }
// # 3001 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 2999 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
if( xCoreID == 0 ) if( xCoreID == 0 )
{ {
@ -12386,7 +12398,7 @@ static BaseType_t prvCreateIdleTasks( void )
( ( UBaseType_t ) 0x00 ), /* In effect ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), but tskIDLE_PRIORITY is zero. */ ( ( UBaseType_t ) 0x00 ), /* In effect ( tskIDLE_PRIORITY | portPRIVILEGE_BIT ), but tskIDLE_PRIORITY is zero. */
&xIdleTaskHandle[ xCoreID ] ); /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */ &xIdleTaskHandle[ xCoreID ] ); /*lint !e961 MISRA exception, justified as it is not a redundant explicit cast to all supported compilers. */
} }
// # 3024 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 3022 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
} }
@ -12423,7 +12435,7 @@ void vTaskStartScheduler( void )
* so interrupts will automatically get re-enabled when the first task * so interrupts will automatically get re-enabled when the first task
* starts to run. */ * starts to run. */
assert_fct(false); assert_fct(false);
// # 3074 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 3072 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
xNextTaskUnblockTime = ( TickType_t ) 0xffffffffUL; xNextTaskUnblockTime = ( TickType_t ) 0xffffffffUL;
xSchedulerRunning = ( ( char ) 1 ); xSchedulerRunning = ( ( char ) 1 );
xTickCount = ( TickType_t ) 0; xTickCount = ( TickType_t ) 0;
@ -12455,7 +12467,7 @@ void vTaskStartScheduler( void )
/* This line will only be reached if the kernel could not be started, /* This line will only be reached if the kernel could not be started,
* because there was not enough FreeRTOS heap to create the idle task * because there was not enough FreeRTOS heap to create the idle task
* or the timer task. */ * or the timer task. */
(__builtin_expect(!(xReturn != ( -1 )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3105, "xReturn != ( -1 )") : (void)0); assert(xReturn != ( -1 ));
} }
/* Prevent compiler warnings if INCLUDE_xTaskGetIdleTaskHandle is set to 0, /* Prevent compiler warnings if INCLUDE_xTaskGetIdleTaskHandle is set to 0,
@ -12520,7 +12532,7 @@ void vTaskSuspendAll( void )
} }
} }
/*----------------------------------------------------------*/ /*----------------------------------------------------------*/
// # 3232 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 3230 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*----------------------------------------------------------*/ /*----------------------------------------------------------*/
BaseType_t xTaskResumeAll( void ) BaseType_t xTaskResumeAll( void )
@ -12543,7 +12555,7 @@ BaseType_t xTaskResumeAll( void )
/* If uxSchedulerSuspended is zero then this function does not match a /* If uxSchedulerSuspended is zero then this function does not match a
* previous call to vTaskSuspendAll(). */ * previous call to vTaskSuspendAll(). */
(__builtin_expect(!(uxSchedulerSuspended), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3254, "uxSchedulerSuspended") : (void)0); assert(uxSchedulerSuspended);
--uxSchedulerSuspended; --uxSchedulerSuspended;
vPortRecursiveLock(1, spin_lock_instance(15), ( ( char ) 0 )); vPortRecursiveLock(1, spin_lock_instance(15), ( ( char ) 0 ));
@ -12701,7 +12713,7 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char
/* If null is passed in here then the name of the calling task is being /* If null is passed in here then the name of the calling task is being
* queried. */ * queried. */
pxTCB = ( ( ( xTaskToQuery ) == 0 ) ? xTaskGetCurrentTaskHandle() : ( xTaskToQuery ) ); pxTCB = ( ( ( xTaskToQuery ) == 0 ) ? xTaskGetCurrentTaskHandle() : ( xTaskToQuery ) );
(__builtin_expect(!(pxTCB), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3412, "pxTCB") : (void)0); assert(pxTCB);
return &( pxTCB->pcTaskName[ 0 ] ); return &( pxTCB->pcTaskName[ 0 ] );
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -12794,7 +12806,7 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char
TCB_t * pxTCB; TCB_t * pxTCB;
/* Task names will be truncated to configMAX_TASK_NAME_LEN - 1 bytes. */ /* Task names will be truncated to configMAX_TASK_NAME_LEN - 1 bytes. */
(__builtin_expect(!(strlen( pcNameToQuery ) < 16), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3505, "strlen( pcNameToQuery ) < 16") : (void)0); assert(strlen( pcNameToQuery ) < 16);
vTaskSuspendAll(); vTaskSuspendAll();
{ {
@ -12890,7 +12902,7 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char
* each task in the Suspended state. */ * each task in the Suspended state. */
uxTask += prvListTasksWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), &xSuspendedTaskList, eSuspended ); uxTask += prvListTasksWithinSingleList( &( pxTaskStatusArray[ uxTask ] ), &xSuspendedTaskList, eSuspended );
} }
// # 3615 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 3613 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
if( pulTotalRunTime != 0 ) if( pulTotalRunTime != 0 )
{ {
@ -12918,7 +12930,7 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char
{ {
/* If xTaskGetIdleTaskHandle() is called before the scheduler has been /* If xTaskGetIdleTaskHandle() is called before the scheduler has been
* started, then xIdleTaskHandle will be NULL. */ * started, then xIdleTaskHandle will be NULL. */
(__builtin_expect(!(( xIdleTaskHandle != 0 )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3642, "( xIdleTaskHandle != 0 )") : (void)0); assert(( xIdleTaskHandle != 0 ));
return &( xIdleTaskHandle[ 0 ] ); return &( xIdleTaskHandle[ 0 ] );
} }
@ -12929,7 +12941,7 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) /*lint !e971 Unqualified char
* This is to ensure vTaskStepTick() is available when user defined low power mode * This is to ensure vTaskStepTick() is available when user defined low power mode
* implementations require configUSE_TICKLESS_IDLE to be set to a value other than * implementations require configUSE_TICKLESS_IDLE to be set to a value other than
* 1. */ * 1. */
// # 3666 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 3664 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*----------------------------------------------------------*/ /*----------------------------------------------------------*/
BaseType_t xTaskCatchUpTicks( TickType_t xTicksToCatchUp ) BaseType_t xTaskCatchUpTicks( TickType_t xTicksToCatchUp )
@ -12938,7 +12950,7 @@ BaseType_t xTaskCatchUpTicks( TickType_t xTicksToCatchUp )
/* Must not be called with the scheduler suspended as the implementation /* Must not be called with the scheduler suspended as the implementation
* relies on xPendedTicks being wound down to 0 in xTaskResumeAll(). */ * relies on xPendedTicks being wound down to 0 in xTaskResumeAll(). */
(__builtin_expect(!(uxSchedulerSuspended == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3674, "uxSchedulerSuspended == 0") : (void)0); assert(uxSchedulerSuspended == 0);
/* Use xPendedTicks to mimic xTicksToCatchUp number of ticks occurring when /* Use xPendedTicks to mimic xTicksToCatchUp number of ticks occurring when
* the scheduler is suspended so the ticks are executed in xTaskResumeAll(). */ * the scheduler is suspended so the ticks are executed in xTaskResumeAll(). */
@ -12957,7 +12969,7 @@ BaseType_t xTaskCatchUpTicks( TickType_t xTicksToCatchUp )
TCB_t * pxTCB = xTask; TCB_t * pxTCB = xTask;
BaseType_t xReturn; BaseType_t xReturn;
(__builtin_expect(!(pxTCB), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3693, "pxTCB") : (void)0); assert(pxTCB);
vTaskSuspendAll(); vTaskSuspendAll();
{ {
@ -13056,7 +13068,7 @@ BaseType_t xTaskIncrementTick( void )
if( xConstTickCount == ( TickType_t ) 0U ) /*lint !e774 'if' does not always evaluate to false as it is looking for an overflow. */ if( xConstTickCount == ( TickType_t ) 0U ) /*lint !e774 'if' does not always evaluate to false as it is looking for an overflow. */
{ {
{ List_t * pxTemp; (__builtin_expect(!(( ( ( ( pxDelayedTaskList )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? ( ( char ) 1 ) : ( ( char ) 0 ) ) )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 3792, "( ( ( ( pxDelayedTaskList )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? ( ( char ) 1 ) : ( ( char ) 0 ) ) )") : (void)0); pxTemp = pxDelayedTaskList; pxDelayedTaskList = pxOverflowDelayedTaskList; pxOverflowDelayedTaskList = pxTemp; xNumOfOverflows++; prvResetNextTaskUnblockTime(); }; { List_t * pxTemp; assert(( ( ( ( pxDelayedTaskList )->uxNumberOfItems == ( UBaseType_t ) 0 ) ? ( ( char ) 1 ) : ( ( char ) 0 ) ) )); pxTemp = pxDelayedTaskList; pxDelayedTaskList = pxOverflowDelayedTaskList; pxOverflowDelayedTaskList = pxTemp; xNumOfOverflows++; prvResetNextTaskUnblockTime(); };
} }
else else
{ {
@ -13239,13 +13251,13 @@ BaseType_t xTaskIncrementTick( void )
return xSwitchRequired; return xSwitchRequired;
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4004 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4002 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4028 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4026 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4053 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4051 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4086 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4084 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
void vTaskSwitchContext( BaseType_t xCoreID ) void vTaskSwitchContext( BaseType_t xCoreID )
@ -13263,7 +13275,7 @@ void vTaskSwitchContext( BaseType_t xCoreID )
{ {
/* vTaskSwitchContext() must never be called from within a critical section. /* vTaskSwitchContext() must never be called from within a critical section.
* This is not necessarily true for vanilla FreeRTOS, but it is for this SMP port. */ * This is not necessarily true for vanilla FreeRTOS, but it is for this SMP port. */
(__builtin_expect(!(xTaskGetCurrentTaskHandle()->uxCriticalNesting == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4103, "xTaskGetCurrentTaskHandle()->uxCriticalNesting == 0") : (void)0); assert(xTaskGetCurrentTaskHandle()->uxCriticalNesting == 0);
if( uxSchedulerSuspended != ( UBaseType_t ) ( ( char ) 0 ) ) if( uxSchedulerSuspended != ( UBaseType_t ) ( ( char ) 0 ) )
{ {
@ -13275,7 +13287,7 @@ void vTaskSwitchContext( BaseType_t xCoreID )
{ {
xYieldPendings[ xCoreID ] = ( ( char ) 0 ); xYieldPendings[ xCoreID ] = ( ( char ) 0 );
; ;
// # 4144 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4142 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* Check for stack overflow, if configured. */ /* Check for stack overflow, if configured. */
{ const uint32_t * const pulStack = ( uint32_t * ) xTaskGetCurrentTaskHandle()->pxStack; const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; if( ( pulStack[ 0 ] != ulCheckValue ) || ( pulStack[ 1 ] != ulCheckValue ) || ( pulStack[ 2 ] != ulCheckValue ) || ( pulStack[ 3 ] != ulCheckValue ) ) { vApplicationStackOverflowHook( ( TaskHandle_t ) xTaskGetCurrentTaskHandle(), xTaskGetCurrentTaskHandle()->pcTaskName ); } }; { const uint32_t * const pulStack = ( uint32_t * ) xTaskGetCurrentTaskHandle()->pxStack; const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5; if( ( pulStack[ 0 ] != ulCheckValue ) || ( pulStack[ 1 ] != ulCheckValue ) || ( pulStack[ 2 ] != ulCheckValue ) || ( pulStack[ 3 ] != ulCheckValue ) ) { vApplicationStackOverflowHook( ( TaskHandle_t ) xTaskGetCurrentTaskHandle(), xTaskGetCurrentTaskHandle()->pcTaskName ); } };
@ -13292,7 +13304,7 @@ void vTaskSwitchContext( BaseType_t xCoreID )
; ;
/* After the new task is switched in, update the global errno. */ /* After the new task is switched in, update the global errno. */
// # 4178 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4176 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
} }
vPortRecursiveLock(0, spin_lock_instance(14), ( ( char ) 0 )); vPortRecursiveLock(0, spin_lock_instance(14), ( ( char ) 0 ));
@ -13303,7 +13315,7 @@ void vTaskSwitchContext( BaseType_t xCoreID )
void vTaskPlaceOnEventList( List_t * const pxEventList, void vTaskPlaceOnEventList( List_t * const pxEventList,
const TickType_t xTicksToWait ) const TickType_t xTicksToWait )
{ {
(__builtin_expect(!(pxEventList), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4188, "pxEventList") : (void)0); assert(pxEventList);
/* THIS FUNCTION MUST BE CALLED WITH EITHER INTERRUPTS DISABLED OR THE /* THIS FUNCTION MUST BE CALLED WITH EITHER INTERRUPTS DISABLED OR THE
* SCHEDULER SUSPENDED AND THE QUEUE BEING ACCESSED LOCKED. */ * SCHEDULER SUSPENDED AND THE QUEUE BEING ACCESSED LOCKED. */
@ -13322,11 +13334,11 @@ void vTaskPlaceOnUnorderedEventList( List_t * pxEventList,
const TickType_t xItemValue, const TickType_t xItemValue,
const TickType_t xTicksToWait ) const TickType_t xTicksToWait )
{ {
(__builtin_expect(!(pxEventList), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4207, "pxEventList") : (void)0); assert(pxEventList);
/* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED. It is used by /* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED. It is used by
* the event groups implementation. */ * the event groups implementation. */
(__builtin_expect(!(uxSchedulerSuspended != 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4211, "uxSchedulerSuspended != 0") : (void)0); assert(uxSchedulerSuspended != 0);
/* Store the item value in the event list item. It is safe to access the /* Store the item value in the event list item. It is safe to access the
* event list item here as interrupts won't access the event list item of a * event list item here as interrupts won't access the event list item of a
@ -13350,7 +13362,7 @@ void vTaskPlaceOnUnorderedEventList( List_t * pxEventList,
TickType_t xTicksToWait, TickType_t xTicksToWait,
const BaseType_t xWaitIndefinitely ) const BaseType_t xWaitIndefinitely )
{ {
(__builtin_expect(!(pxEventList), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4235, "pxEventList") : (void)0); assert(pxEventList);
/* This function should not be called by application code hence the /* This function should not be called by application code hence the
* 'Restricted' in its name. It is not part of the public API. It is * 'Restricted' in its name. It is not part of the public API. It is
@ -13398,14 +13410,14 @@ BaseType_t xTaskRemoveFromEventList( const List_t * const pxEventList )
* This function assumes that a check has already been made to ensure that * This function assumes that a check has already been made to ensure that
* pxEventList is not empty. */ * pxEventList is not empty. */
pxUnblockedTCB = ( ( &( ( pxEventList )->xListEnd ) )->pxNext->pvOwner ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ pxUnblockedTCB = ( ( &( ( pxEventList )->xListEnd ) )->pxNext->pvOwner ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
(__builtin_expect(!(pxUnblockedTCB), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4283, "pxUnblockedTCB") : (void)0); assert(pxUnblockedTCB);
( void ) uxListRemove( &( pxUnblockedTCB->xEventListItem ) ); ( void ) uxListRemove( &( pxUnblockedTCB->xEventListItem ) );
if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) ) if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) )
{ {
( void ) uxListRemove( &( pxUnblockedTCB->xStateListItem ) ); ( void ) uxListRemove( &( pxUnblockedTCB->xStateListItem ) );
; { if( ( ( pxUnblockedTCB )->uxPriority ) > uxTopReadyPriority ) { uxTopReadyPriority = ( ( pxUnblockedTCB )->uxPriority ); } }; vListInsertEnd( &( pxReadyTasksLists[ ( pxUnblockedTCB )->uxPriority ] ), &( ( pxUnblockedTCB )->xStateListItem ) ); ; ; { if( ( ( pxUnblockedTCB )->uxPriority ) > uxTopReadyPriority ) { uxTopReadyPriority = ( ( pxUnblockedTCB )->uxPriority ); } }; vListInsertEnd( &( pxReadyTasksLists[ ( pxUnblockedTCB )->uxPriority ] ), &( ( pxUnblockedTCB )->xStateListItem ) ); ;
// # 4304 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4302 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
else else
{ {
@ -13435,7 +13447,7 @@ void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem,
/* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED. It is used by /* THIS FUNCTION MUST BE CALLED WITH THE SCHEDULER SUSPENDED. It is used by
* the event flags implementation. */ * the event flags implementation. */
(__builtin_expect(!(uxSchedulerSuspended != ( ( char ) 0 )), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4333, "uxSchedulerSuspended != ( ( char ) 0 )") : (void)0); assert(uxSchedulerSuspended != ( ( char ) 0 ));
/* Store the new item value in the event list. */ /* Store the new item value in the event list. */
( ( pxEventListItem )->xItemValue = ( xItemValue | 0x80000000UL ) ); ( ( pxEventListItem )->xItemValue = ( xItemValue | 0x80000000UL ) );
@ -13443,9 +13455,9 @@ void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem,
/* Remove the event list form the event flag. Interrupts do not access /* Remove the event list form the event flag. Interrupts do not access
* event flags. */ * event flags. */
pxUnblockedTCB = ( ( pxEventListItem )->pvOwner ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */ pxUnblockedTCB = ( ( pxEventListItem )->pvOwner ); /*lint !e9079 void * is used as this macro is used with timers and co-routines too. Alignment is known to be fine as the type of the pointer stored and retrieved is the same. */
(__builtin_expect(!(pxUnblockedTCB), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4341, "pxUnblockedTCB") : (void)0); assert(pxUnblockedTCB);
( void ) uxListRemove( pxEventListItem ); ( void ) uxListRemove( pxEventListItem );
// # 4358 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4356 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* Remove the task from the delayed list and add it to the ready list. The /* Remove the task from the delayed list and add it to the ready list. The
* scheduler is suspended so interrupts will not be accessing the ready * scheduler is suspended so interrupts will not be accessing the ready
* lists. */ * lists. */
@ -13464,7 +13476,7 @@ void vTaskRemoveFromUnorderedEventList( ListItem_t * pxEventListItem,
void vTaskSetTimeOutState( TimeOut_t * const pxTimeOut ) void vTaskSetTimeOutState( TimeOut_t * const pxTimeOut )
{ {
(__builtin_expect(!(pxTimeOut), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4376, "pxTimeOut") : (void)0); assert(pxTimeOut);
vTaskEnterCritical(); vTaskEnterCritical();
{ {
pxTimeOut->xOverflowCount = xNumOfOverflows; pxTimeOut->xOverflowCount = xNumOfOverflows;
@ -13487,8 +13499,8 @@ BaseType_t xTaskCheckForTimeOut( TimeOut_t * const pxTimeOut,
{ {
BaseType_t xReturn; BaseType_t xReturn;
(__builtin_expect(!(pxTimeOut), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4399, "pxTimeOut") : (void)0); assert(pxTimeOut);
(__builtin_expect(!(pxTicksToWait), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4400, "pxTicksToWait") : (void)0); assert(pxTicksToWait);
vTaskEnterCritical(); vTaskEnterCritical();
{ {
@ -13610,7 +13622,7 @@ void vTaskMissedYield( void )
* *
* @todo additional conditional compiles to remove this function. * @todo additional conditional compiles to remove this function.
*/ */
// # 4582 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4580 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* /*
* ----------------------------------------------------------- * -----------------------------------------------------------
* The Idle task. * The Idle task.
@ -13640,7 +13652,7 @@ static void prvIdleTask( void * pvParameters )
/* See if any tasks have deleted themselves - if so then the idle task /* See if any tasks have deleted themselves - if so then the idle task
* is responsible for freeing the deleted task's TCB and stack. */ * is responsible for freeing the deleted task's TCB and stack. */
prvCheckTasksWaitingTermination(); prvCheckTasksWaitingTermination();
// # 4623 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4621 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
/* When using preemption tasks of equal priority will be /* When using preemption tasks of equal priority will be
* timesliced. If a task that is sharing the idle priority is ready * timesliced. If a task that is sharing the idle priority is ready
@ -13661,16 +13673,16 @@ static void prvIdleTask( void * pvParameters )
; ;
} }
} }
// # 4659 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4657 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/* This conditional compilation should use inequality to 0, not equality /* This conditional compilation should use inequality to 0, not equality
* to 1. This is to ensure portSUPPRESS_TICKS_AND_SLEEP() is called when * to 1. This is to ensure portSUPPRESS_TICKS_AND_SLEEP() is called when
* user defined low power mode implementations require * user defined low power mode implementations require
* configUSE_TICKLESS_IDLE to be set to a value other than 1. */ * configUSE_TICKLESS_IDLE to be set to a value other than 1. */
// # 4724 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4722 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
} }
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4774 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4772 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -13684,7 +13696,7 @@ static void prvIdleTask( void * pvParameters )
if( xIndex < 5 ) if( xIndex < 5 )
{ {
pxTCB = ( ( ( xTaskToSet ) == 0 ) ? xTaskGetCurrentTaskHandle() : ( xTaskToSet ) ); pxTCB = ( ( ( xTaskToSet ) == 0 ) ? xTaskGetCurrentTaskHandle() : ( xTaskToSet ) );
(__builtin_expect(!(pxTCB != 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 4787, "pxTCB != 0") : (void)0); assert(pxTCB != 0);
pxTCB->pvThreadLocalStoragePointers[ xIndex ] = pvValue; pxTCB->pvThreadLocalStoragePointers[ xIndex ] = pvValue;
} }
} }
@ -13715,7 +13727,7 @@ static void prvIdleTask( void * pvParameters )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 4834 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4832 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvInitialiseTaskLists( void ) static void prvInitialiseTaskLists( void )
@ -13817,7 +13829,7 @@ static void prvCheckTasksWaitingTermination( void )
{ {
pxTaskStatus->uxBasePriority = pxTCB->uxBasePriority; pxTaskStatus->uxBasePriority = pxTCB->uxBasePriority;
} }
// # 4946 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 4944 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
pxTaskStatus->ulRunTimeCounter = 0; pxTaskStatus->ulRunTimeCounter = 0;
} }
@ -13948,7 +13960,7 @@ static void prvCheckTasksWaitingTermination( void )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 5115 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 5113 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
@ -14005,7 +14017,7 @@ static void prvCheckTasksWaitingTermination( void )
free( (void*) pxTCB->pxStack); free( (void*) pxTCB->pxStack);
free( (void*) pxTCB); free( (void*) pxTCB);
} }
// # 5198 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 5196 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
@ -14210,8 +14222,8 @@ static void prvResetNextTaskUnblockTime( void )
* If the mutex is held by a task then it cannot be given from an * If the mutex is held by a task then it cannot be given from an
* interrupt, and if a mutex is given by the holding task then it must * interrupt, and if a mutex is given by the holding task then it must
* be the running state task. */ * be the running state task. */
(__builtin_expect(!(pxTCB == xTaskGetCurrentTaskHandle()), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5402, "pxTCB == xTaskGetCurrentTaskHandle()") : (void)0); assert(pxTCB == xTaskGetCurrentTaskHandle());
(__builtin_expect(!(pxTCB->uxMutexesHeld), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5403, "pxTCB->uxMutexesHeld") : (void)0); assert(pxTCB->uxMutexesHeld);
( pxTCB->uxMutexesHeld )--; ( pxTCB->uxMutexesHeld )--;
/* Has the holder of the mutex inherited the priority of another /* Has the holder of the mutex inherited the priority of another
@ -14297,7 +14309,7 @@ static void prvResetNextTaskUnblockTime( void )
{ {
/* If pxMutexHolder is not NULL then the holder must hold at least /* If pxMutexHolder is not NULL then the holder must hold at least
* one mutex. */ * one mutex. */
(__builtin_expect(!(pxTCB->uxMutexesHeld), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5489, "pxTCB->uxMutexesHeld") : (void)0); assert(pxTCB->uxMutexesHeld);
/* Determine the priority to which the priority of the task that /* Determine the priority to which the priority of the task that
* holds the mutex should be set. This will be the greater of the * holds the mutex should be set. This will be the greater of the
@ -14324,7 +14336,7 @@ static void prvResetNextTaskUnblockTime( void )
/* If a task has timed out because it already holds the /* If a task has timed out because it already holds the
* mutex it was trying to obtain then it cannot of inherited * mutex it was trying to obtain then it cannot of inherited
* its own priority. */ * its own priority. */
(__builtin_expect(!(pxTCB != xTaskGetCurrentTaskHandle()), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5516, "pxTCB != xTaskGetCurrentTaskHandle()") : (void)0); assert(pxTCB != xTaskGetCurrentTaskHandle());
/* Disinherit the priority, remembering the previous /* Disinherit the priority, remembering the previous
* priority to facilitate determining the subject task's * priority to facilitate determining the subject task's
@ -14455,7 +14467,7 @@ void vTaskYieldWithinAPI( void )
{ {
/* If pxCurrentTCB->uxCriticalNesting is zero then this function /* If pxCurrentTCB->uxCriticalNesting is zero then this function
* does not match a previous call to vTaskEnterCritical(). */ * does not match a previous call to vTaskEnterCritical(). */
(__builtin_expect(!(xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5647, "xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U") : (void)0); assert(xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U);
if( xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U ) if( xTaskGetCurrentTaskHandle()->uxCriticalNesting > 0U )
{ {
@ -14505,11 +14517,11 @@ void vTaskYieldWithinAPI( void )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 5723 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 5721 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 5829 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 5827 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*----------------------------------------------------------*/ /*----------------------------------------------------------*/
// # 5956 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 5954 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
TickType_t uxTaskResetEventItemValue( void ) TickType_t uxTaskResetEventItemValue( void )
@ -14551,7 +14563,7 @@ TickType_t uxTaskResetEventItemValue( void )
{ {
uint32_t ulReturn; uint32_t ulReturn;
(__builtin_expect(!(uxIndexToWait < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 5997, "uxIndexToWait < 1") : (void)0); assert(uxIndexToWait < 1);
vTaskEnterCritical(); vTaskEnterCritical();
{ {
@ -14625,7 +14637,7 @@ TickType_t uxTaskResetEventItemValue( void )
{ {
BaseType_t xReturn; BaseType_t xReturn;
(__builtin_expect(!(uxIndexToWait < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6071, "uxIndexToWait < 1") : (void)0); assert(uxIndexToWait < 1);
vTaskEnterCritical(); vTaskEnterCritical();
{ {
@ -14713,8 +14725,8 @@ TickType_t uxTaskResetEventItemValue( void )
BaseType_t xReturn = ( ( ( char ) 1 ) ); BaseType_t xReturn = ( ( ( char ) 1 ) );
uint8_t ucOriginalNotifyState; uint8_t ucOriginalNotifyState;
(__builtin_expect(!(uxIndexToNotify < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6159, "uxIndexToNotify < 1") : (void)0); assert(uxIndexToNotify < 1);
(__builtin_expect(!(xTaskToNotify), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6160, "xTaskToNotify") : (void)0); assert(xTaskToNotify);
pxTCB = xTaskToNotify; pxTCB = xTaskToNotify;
vTaskEnterCritical(); vTaskEnterCritical();
@ -14767,7 +14779,7 @@ TickType_t uxTaskResetEventItemValue( void )
/* Should not get here if all enums are handled. /* Should not get here if all enums are handled.
* Artificially force an assert by testing a value the * Artificially force an assert by testing a value the
* compiler can't assume is const. */ * compiler can't assume is const. */
(__builtin_expect(!(xTickCount == ( TickType_t ) 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6213, "xTickCount == ( TickType_t ) 0") : (void)0); assert(xTickCount == ( TickType_t ) 0);
break; break;
} }
@ -14782,8 +14794,8 @@ TickType_t uxTaskResetEventItemValue( void )
; { if( ( ( pxTCB )->uxPriority ) > uxTopReadyPriority ) { uxTopReadyPriority = ( ( pxTCB )->uxPriority ); } }; vListInsertEnd( &( pxReadyTasksLists[ ( pxTCB )->uxPriority ] ), &( ( pxTCB )->xStateListItem ) ); ; ; { if( ( ( pxTCB )->uxPriority ) > uxTopReadyPriority ) { uxTopReadyPriority = ( ( pxTCB )->uxPriority ); } }; vListInsertEnd( &( pxReadyTasksLists[ ( pxTCB )->uxPriority ] ), &( ( pxTCB )->xStateListItem ) ); ;
/* The task should not have been on an event list. */ /* The task should not have been on an event list. */
(__builtin_expect(!(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6228, "( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0") : (void)0); assert(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0);
// # 6247 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 6245 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
{ {
prvYieldForTask( pxTCB, ( ( char ) 0 ) ); prvYieldForTask( pxTCB, ( ( char ) 0 ) );
} }
@ -14816,8 +14828,8 @@ TickType_t uxTaskResetEventItemValue( void )
BaseType_t xReturn = ( ( ( char ) 1 ) ); BaseType_t xReturn = ( ( ( char ) 1 ) );
UBaseType_t uxSavedInterruptStatus; UBaseType_t uxSavedInterruptStatus;
(__builtin_expect(!(xTaskToNotify), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6279, "xTaskToNotify") : (void)0); assert(xTaskToNotify);
(__builtin_expect(!(uxIndexToNotify < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6280, "uxIndexToNotify < 1") : (void)0); assert(uxIndexToNotify < 1);
/* RTOS ports that support interrupt nesting have the concept of a /* RTOS ports that support interrupt nesting have the concept of a
* maximum system call (or maximum API call) interrupt priority. * maximum system call (or maximum API call) interrupt priority.
@ -14888,7 +14900,7 @@ TickType_t uxTaskResetEventItemValue( void )
/* Should not get here if all enums are handled. /* Should not get here if all enums are handled.
* Artificially force an assert by testing a value the * Artificially force an assert by testing a value the
* compiler can't assume is const. */ * compiler can't assume is const. */
(__builtin_expect(!(xTickCount == ( TickType_t ) 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6351, "xTickCount == ( TickType_t ) 0") : (void)0); assert(xTickCount == ( TickType_t ) 0);
break; break;
} }
@ -14899,7 +14911,7 @@ TickType_t uxTaskResetEventItemValue( void )
if( ucOriginalNotifyState == ( ( uint8_t ) 1 ) ) if( ucOriginalNotifyState == ( ( uint8_t ) 1 ) )
{ {
/* The task should not have been on an event list. */ /* The task should not have been on an event list. */
(__builtin_expect(!(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6362, "( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0") : (void)0); assert(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0);
if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) ) if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) )
{ {
@ -14944,8 +14956,8 @@ TickType_t uxTaskResetEventItemValue( void )
uint8_t ucOriginalNotifyState; uint8_t ucOriginalNotifyState;
UBaseType_t uxSavedInterruptStatus; UBaseType_t uxSavedInterruptStatus;
(__builtin_expect(!(xTaskToNotify), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6407, "xTaskToNotify") : (void)0); assert(xTaskToNotify);
(__builtin_expect(!(uxIndexToNotify < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6408, "uxIndexToNotify < 1") : (void)0); assert(uxIndexToNotify < 1);
/* RTOS ports that support interrupt nesting have the concept of a /* RTOS ports that support interrupt nesting have the concept of a
* maximum system call (or maximum API call) interrupt priority. * maximum system call (or maximum API call) interrupt priority.
@ -14983,7 +14995,7 @@ TickType_t uxTaskResetEventItemValue( void )
if( ucOriginalNotifyState == ( ( uint8_t ) 1 ) ) if( ucOriginalNotifyState == ( ( uint8_t ) 1 ) )
{ {
/* The task should not have been on an event list. */ /* The task should not have been on an event list. */
(__builtin_expect(!(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6446, "( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0") : (void)0); assert(( ( &( pxTCB->xEventListItem ) )->pxContainer ) == 0);
if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) ) if( uxSchedulerSuspended == ( UBaseType_t ) ( ( char ) 0 ) )
{ {
@ -15024,7 +15036,7 @@ TickType_t uxTaskResetEventItemValue( void )
TCB_t * pxTCB; TCB_t * pxTCB;
BaseType_t xReturn; BaseType_t xReturn;
(__builtin_expect(!(uxIndexToClear < 1), 0) ? __assert_rtn ((const char *)-1L, "tasks.c", 6487, "uxIndexToClear < 1") : (void)0); assert(uxIndexToClear < 1);
/* If null is passed in here then it is the calling task that is having /* If null is passed in here then it is the calling task that is having
* its notification state cleared. */ * its notification state cleared. */
@ -15077,7 +15089,7 @@ TickType_t uxTaskResetEventItemValue( void )
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
// # 6556 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 6554 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
/*-----------------------------------------------------------*/ /*-----------------------------------------------------------*/
static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait, static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait,
@ -15153,7 +15165,7 @@ static void prvAddCurrentTaskToDelayedList( TickType_t xTicksToWait,
} }
} }
} }
// # 6668 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c" // # 6666 "/Users/reitobia/repos2/FreeRTOS-Kernel/tasks.c"
} }
/* Code below here allows additional code to be inserted into this source file, /* Code below here allows additional code to be inserted into this source file,

10
verification/verifast/proof/verifast_bitops_extended.h Normal file
View file

@ -0,0 +1,10 @@
#ifndef VERIFAST_BITOPS_EXTENDED_H
#define VERIFAST_BITOPS_EXTENDED_H
/*@
lemma void bitand_idempotent_right(int l, int r);
requires true;
ensures (l & r) == ((l & r) & r);
@*/
#endif /* VERIFAST_BITOPS_EXTENDED_H */

4
verification/verifast/proof_setup/verifast_proof_defs.h
View file

@ -20,4 +20,8 @@
#define pdTRUE ( ( char ) 1 ) #define pdTRUE ( ( char ) 1 )
#define pd_U_FALSE ( ( unsigned char ) pdFALSE ) #define pd_U_FALSE ( ( unsigned char ) pdFALSE )
#define pd_U_TRUE ( ( unsigned char ) pdTRUE ) #define pd_U_TRUE ( ( unsigned char ) pdTRUE )
#undef assert
#undef configASSERT
#define configASSERT(x) assert(x)
#endif /* VERIFAST_DEFS_H */ #endif /* VERIFAST_DEFS_H */