mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-31 07:28:37 -04:00
Style: uncrusitfy
This commit is contained in:
Alfred Gedeon
alfred gedeon
parent
a5dbc2b1de
commit
718178c68a
406 changed files with 108795 additions and 106323 deletions
|
|
@ -30,137 +30,139 @@
|
|||
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the HCS12 port.
|
||||
*----------------------------------------------------------*/
|
||||
* Implementation of functions defined in portable.h for the HCS12 port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* Configure a timer to generate the RTOS tick at the frequency specified
|
||||
* Configure a timer to generate the RTOS tick at the frequency specified
|
||||
* within FreeRTOSConfig.h.
|
||||
*/
|
||||
static void prvSetupTimerInterrupt( void );
|
||||
|
||||
/* Interrupt service routines have to be in non-banked memory - as does the
|
||||
scheduler startup function. */
|
||||
* scheduler startup function. */
|
||||
#pragma CODE_SEG __NEAR_SEG NON_BANKED
|
||||
|
||||
/* Manual context switch function. This is the SWI ISR. */
|
||||
void interrupt vPortYield( void );
|
||||
/* Manual context switch function. This is the SWI ISR. */
|
||||
void interrupt vPortYield( void );
|
||||
|
||||
/* Tick context switch function. This is the timer ISR. */
|
||||
void interrupt vPortTickInterrupt( void );
|
||||
|
||||
/* Simply called by xPortStartScheduler(). xPortStartScheduler() does not
|
||||
start the scheduler directly because the header file containing the
|
||||
xPortStartScheduler() prototype is part of the common kernel code, and
|
||||
therefore cannot use the CODE_SEG pragma. */
|
||||
static BaseType_t xBankedStartScheduler( void );
|
||||
/* Tick context switch function. This is the timer ISR. */
|
||||
void interrupt vPortTickInterrupt( void );
|
||||
|
||||
/* Simply called by xPortStartScheduler(). xPortStartScheduler() does not
|
||||
* start the scheduler directly because the header file containing the
|
||||
* xPortStartScheduler() prototype is part of the common kernel code, and
|
||||
* therefore cannot use the CODE_SEG pragma. */
|
||||
static BaseType_t xBankedStartScheduler( void );
|
||||
|
||||
#pragma CODE_SEG DEFAULT
|
||||
|
||||
/* Calls to portENTER_CRITICAL() can be nested. When they are nested the
|
||||
critical section should not be left (i.e. interrupts should not be re-enabled)
|
||||
until the nesting depth reaches 0. This variable simply tracks the nesting
|
||||
depth. Each task maintains it's own critical nesting depth variable so
|
||||
uxCriticalNesting is saved and restored from the task stack during a context
|
||||
switch. */
|
||||
/* Calls to portENTER_CRITICAL() can be nested. When they are nested the
|
||||
* critical section should not be left (i.e. interrupts should not be re-enabled)
|
||||
* until the nesting depth reaches 0. This variable simply tracks the nesting
|
||||
* depth. Each task maintains it's own critical nesting depth variable so
|
||||
* uxCriticalNesting is saved and restored from the task stack during a context
|
||||
* switch. */
|
||||
volatile UBaseType_t uxCriticalNesting = 0xff;
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* See header file for description.
|
||||
/*
|
||||
* See header file for description.
|
||||
*/
|
||||
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
||||
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
||||
TaskFunction_t pxCode,
|
||||
void * pvParameters )
|
||||
{
|
||||
/*
|
||||
Place a few bytes of known values on the bottom of the stack.
|
||||
This can be uncommented to provide useful stack markers when debugging.
|
||||
|
||||
*pxTopOfStack = ( StackType_t ) 0x11;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x22;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x33;
|
||||
pxTopOfStack--;
|
||||
*/
|
||||
/*
|
||||
* Place a few bytes of known values on the bottom of the stack.
|
||||
* This can be uncommented to provide useful stack markers when debugging.
|
||||
*
|
||||
* pxTopOfStack = ( StackType_t ) 0x11;
|
||||
* pxTopOfStack--;
|
||||
* pxTopOfStack = ( StackType_t ) 0x22;
|
||||
* pxTopOfStack--;
|
||||
* pxTopOfStack = ( StackType_t ) 0x33;
|
||||
* pxTopOfStack--;
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/* Setup the initial stack of the task. The stack is set exactly as
|
||||
expected by the portRESTORE_CONTEXT() macro. In this case the stack as
|
||||
expected by the HCS12 RTI instruction. */
|
||||
/* Setup the initial stack of the task. The stack is set exactly as
|
||||
* expected by the portRESTORE_CONTEXT() macro. In this case the stack as
|
||||
* expected by the HCS12 RTI instruction. */
|
||||
|
||||
|
||||
/* The address of the task function is placed in the stack byte at a time. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 1 );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pxCode) ) + 0 );
|
||||
pxTopOfStack--;
|
||||
/* The address of the task function is placed in the stack byte at a time. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 1 );
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pxCode ) ) + 0 );
|
||||
pxTopOfStack--;
|
||||
|
||||
/* Next are all the registers that form part of the task context. */
|
||||
/* Next are all the registers that form part of the task context. */
|
||||
|
||||
/* Y register */
|
||||
*pxTopOfStack = ( StackType_t ) 0xff;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xee;
|
||||
pxTopOfStack--;
|
||||
/* Y register */
|
||||
*pxTopOfStack = ( StackType_t ) 0xff;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xee;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* X register */
|
||||
*pxTopOfStack = ( StackType_t ) 0xdd;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xcc;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* A register contains parameter high byte. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pvParameters) ) + 0 );
|
||||
pxTopOfStack--;
|
||||
/* X register */
|
||||
*pxTopOfStack = ( StackType_t ) 0xdd;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0xcc;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* B register contains parameter low byte. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ((StackType_t *) (&pvParameters) ) + 1 );
|
||||
pxTopOfStack--;
|
||||
/* A register contains parameter high byte. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 0 );
|
||||
pxTopOfStack--;
|
||||
|
||||
/* CCR: Note that when the task starts interrupts will be enabled since
|
||||
"I" bit of CCR is cleared */
|
||||
*pxTopOfStack = ( StackType_t ) 0x00;
|
||||
pxTopOfStack--;
|
||||
|
||||
#ifdef BANKED_MODEL
|
||||
/* The page of the task. */
|
||||
*pxTopOfStack = ( StackType_t ) ( ( int ) pxCode );
|
||||
pxTopOfStack--;
|
||||
#endif
|
||||
|
||||
/* Finally the critical nesting depth is initialised with 0 (not within
|
||||
a critical section). */
|
||||
*pxTopOfStack = ( StackType_t ) 0x00;
|
||||
/* B register contains parameter low byte. */
|
||||
*pxTopOfStack = ( StackType_t ) *( ( ( StackType_t * ) ( &pvParameters ) ) + 1 );
|
||||
pxTopOfStack--;
|
||||
|
||||
return pxTopOfStack;
|
||||
/* CCR: Note that when the task starts interrupts will be enabled since
|
||||
* "I" bit of CCR is cleared */
|
||||
*pxTopOfStack = ( StackType_t ) 0x00;
|
||||
pxTopOfStack--;
|
||||
|
||||
#ifdef BANKED_MODEL
|
||||
/* The page of the task. */
|
||||
*pxTopOfStack = ( StackType_t ) ( ( int ) pxCode );
|
||||
pxTopOfStack--;
|
||||
#endif
|
||||
|
||||
/* Finally the critical nesting depth is initialised with 0 (not within
|
||||
* a critical section). */
|
||||
*pxTopOfStack = ( StackType_t ) 0x00;
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* It is unlikely that the HCS12 port will get stopped. */
|
||||
/* It is unlikely that the HCS12 port will get stopped. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
TickTimer_SetFreqHz( configTICK_RATE_HZ );
|
||||
TickTimer_Enable();
|
||||
TickTimer_SetFreqHz( configTICK_RATE_HZ );
|
||||
TickTimer_Enable();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* xPortStartScheduler() does not start the scheduler directly because
|
||||
the header file containing the xPortStartScheduler() prototype is part
|
||||
of the common kernel code, and therefore cannot use the CODE_SEG pragma.
|
||||
Instead it simply calls the locally defined xBankedStartScheduler() -
|
||||
which does use the CODE_SEG pragma. */
|
||||
/* xPortStartScheduler() does not start the scheduler directly because
|
||||
* the header file containing the xPortStartScheduler() prototype is part
|
||||
* of the common kernel code, and therefore cannot use the CODE_SEG pragma.
|
||||
* Instead it simply calls the locally defined xBankedStartScheduler() -
|
||||
* which does use the CODE_SEG pragma. */
|
||||
|
||||
return xBankedStartScheduler();
|
||||
return xBankedStartScheduler();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
@ -168,18 +170,18 @@ BaseType_t xPortStartScheduler( void )
|
|||
|
||||
static BaseType_t xBankedStartScheduler( void )
|
||||
{
|
||||
/* Configure the timer that will generate the RTOS tick. Interrupts are
|
||||
disabled when this function is called. */
|
||||
prvSetupTimerInterrupt();
|
||||
/* Configure the timer that will generate the RTOS tick. Interrupts are
|
||||
* disabled when this function is called. */
|
||||
prvSetupTimerInterrupt();
|
||||
|
||||
/* Restore the context of the first task. */
|
||||
portRESTORE_CONTEXT();
|
||||
/* Restore the context of the first task. */
|
||||
portRESTORE_CONTEXT();
|
||||
|
||||
/* Simulate the end of an interrupt to start the scheduler off. */
|
||||
__asm( "rti" );
|
||||
/* Simulate the end of an interrupt to start the scheduler off. */
|
||||
__asm( "rti" );
|
||||
|
||||
/* Should not get here! */
|
||||
return pdFALSE;
|
||||
/* Should not get here! */
|
||||
return pdFALSE;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
|
@ -193,44 +195,42 @@ static BaseType_t xBankedStartScheduler( void )
|
|||
*/
|
||||
void interrupt vPortYield( void )
|
||||
{
|
||||
portSAVE_CONTEXT();
|
||||
vTaskSwitchContext();
|
||||
portRESTORE_CONTEXT();
|
||||
portSAVE_CONTEXT();
|
||||
vTaskSwitchContext();
|
||||
portRESTORE_CONTEXT();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* RTOS tick interrupt service routine. If the cooperative scheduler is
|
||||
* being used then this simply increments the tick count. If the
|
||||
* RTOS tick interrupt service routine. If the cooperative scheduler is
|
||||
* being used then this simply increments the tick count. If the
|
||||
* preemptive scheduler is being used a context switch can occur.
|
||||
*/
|
||||
void interrupt vPortTickInterrupt( void )
|
||||
{
|
||||
#if configUSE_PREEMPTION == 1
|
||||
{
|
||||
/* A context switch might happen so save the context. */
|
||||
portSAVE_CONTEXT();
|
||||
#if configUSE_PREEMPTION == 1
|
||||
{
|
||||
/* A context switch might happen so save the context. */
|
||||
portSAVE_CONTEXT();
|
||||
|
||||
/* Increment the tick ... */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
/* Increment the tick ... */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
|
||||
TFLG1 = 1;
|
||||
TFLG1 = 1;
|
||||
|
||||
/* Restore the context of a task - which may be a different task
|
||||
to that interrupted. */
|
||||
portRESTORE_CONTEXT();
|
||||
}
|
||||
#else
|
||||
{
|
||||
xTaskIncrementTick();
|
||||
TFLG1 = 1;
|
||||
}
|
||||
#endif
|
||||
/* Restore the context of a task - which may be a different task
|
||||
* to that interrupted. */
|
||||
portRESTORE_CONTEXT();
|
||||
}
|
||||
#else /* if configUSE_PREEMPTION == 1 */
|
||||
{
|
||||
xTaskIncrementTick();
|
||||
TFLG1 = 1;
|
||||
}
|
||||
#endif /* if configUSE_PREEMPTION == 1 */
|
||||
}
|
||||
|
||||
#pragma CODE_SEG DEFAULT
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue