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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Style: uncrusitfy
This commit is contained in:
Alfred Gedeon
alfred gedeon
parent
a5dbc2b1de
commit
718178c68a
406 changed files with 108795 additions and 106323 deletions
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@ -25,8 +25,8 @@
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*/
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the RX200 port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the RX200 port.
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*----------------------------------------------------------*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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@ -41,15 +41,15 @@
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/*-----------------------------------------------------------*/
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/* Tasks should start with interrupts enabled and in Supervisor mode, therefore
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PSW is set with U and I set, and PM and IPL clear. */
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#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )
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* PSW is set with U and I set, and PM and IPL clear. */
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#define portINITIAL_PSW ( ( StackType_t ) 0x00030000 )
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/*-----------------------------------------------------------*/
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/* The following lines are to ensure vSoftwareInterruptEntry can be referenced,
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and therefore installed in the vector table, when the FreeRTOS code is built
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as a library. */
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extern BaseType_t vSoftwareInterruptEntry;
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* and therefore installed in the vector table, when the FreeRTOS code is built
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* as a library. */
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extern BaseType_t vSoftwareInterruptEntry;
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const BaseType_t * p_vSoftwareInterruptEntry = &vSoftwareInterruptEntry;
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/*-----------------------------------------------------------*/
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@ -78,8 +78,8 @@ void vSoftwareInterruptISR( void );
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/*-----------------------------------------------------------*/
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/* This is accessed by the inline assembler functions so is file scope for
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convenience. */
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extern void *pxCurrentTCB;
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* convenience. */
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extern void * pxCurrentTCB;
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extern void vTaskSwitchContext( void );
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/*-----------------------------------------------------------*/
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@ -87,237 +87,243 @@ extern void vTaskSwitchContext( void );
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/*
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* See header file for description.
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*/
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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{
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/* Offset to end up on 8 byte boundary. */
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pxTopOfStack--;
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/* Offset to end up on 8 byte boundary. */
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pxTopOfStack--;
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/* R0 is not included as it is the stack pointer. */
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*pxTopOfStack = 0x00;
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pxTopOfStack--;
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/* R0 is not included as it is the stack pointer. */
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*pxTopOfStack = 0x00;
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pxTopOfStack--;
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*pxTopOfStack = portINITIAL_PSW;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxCode;
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pxTopOfStack--;
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*pxTopOfStack = 0x00;
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pxTopOfStack--;
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*pxTopOfStack = portINITIAL_PSW;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxCode;
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/* When debugging it can be useful if every register is set to a known
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value. Otherwise code space can be saved by just setting the registers
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that need to be set. */
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#ifdef USE_FULL_REGISTER_INITIALISATION
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{
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pxTopOfStack--;
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*pxTopOfStack = 0x12345678; /* r15. */
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pxTopOfStack--;
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*pxTopOfStack = 0xaaaabbbb;
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pxTopOfStack--;
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*pxTopOfStack = 0xdddddddd;
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pxTopOfStack--;
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*pxTopOfStack = 0xcccccccc;
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pxTopOfStack--;
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*pxTopOfStack = 0xbbbbbbbb;
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pxTopOfStack--;
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*pxTopOfStack = 0xaaaaaaaa;
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pxTopOfStack--;
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*pxTopOfStack = 0x99999999;
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pxTopOfStack--;
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*pxTopOfStack = 0x88888888;
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pxTopOfStack--;
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*pxTopOfStack = 0x77777777;
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pxTopOfStack--;
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*pxTopOfStack = 0x66666666;
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pxTopOfStack--;
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*pxTopOfStack = 0x55555555;
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pxTopOfStack--;
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*pxTopOfStack = 0x44444444;
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pxTopOfStack--;
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*pxTopOfStack = 0x33333333;
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pxTopOfStack--;
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*pxTopOfStack = 0x22222222;
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pxTopOfStack--;
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}
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#else
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{
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pxTopOfStack -= 15;
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}
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#endif
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/* When debugging it can be useful if every register is set to a known
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* value. Otherwise code space can be saved by just setting the registers
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* that need to be set. */
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#ifdef USE_FULL_REGISTER_INITIALISATION
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{
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pxTopOfStack--;
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*pxTopOfStack = 0x12345678; /* r15. */
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pxTopOfStack--;
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*pxTopOfStack = 0xaaaabbbb;
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pxTopOfStack--;
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*pxTopOfStack = 0xdddddddd;
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pxTopOfStack--;
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*pxTopOfStack = 0xcccccccc;
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pxTopOfStack--;
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*pxTopOfStack = 0xbbbbbbbb;
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pxTopOfStack--;
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*pxTopOfStack = 0xaaaaaaaa;
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pxTopOfStack--;
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*pxTopOfStack = 0x99999999;
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pxTopOfStack--;
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*pxTopOfStack = 0x88888888;
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pxTopOfStack--;
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*pxTopOfStack = 0x77777777;
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pxTopOfStack--;
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*pxTopOfStack = 0x66666666;
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pxTopOfStack--;
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*pxTopOfStack = 0x55555555;
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pxTopOfStack--;
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*pxTopOfStack = 0x44444444;
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pxTopOfStack--;
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*pxTopOfStack = 0x33333333;
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pxTopOfStack--;
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*pxTopOfStack = 0x22222222;
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pxTopOfStack--;
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}
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#else /* ifdef USE_FULL_REGISTER_INITIALISATION */
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{
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pxTopOfStack -= 15;
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}
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#endif /* ifdef USE_FULL_REGISTER_INITIALISATION */
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */
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pxTopOfStack--;
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*pxTopOfStack = 0x12345678; /* Accumulator. */
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pxTopOfStack--;
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*pxTopOfStack = 0x87654321; /* Accumulator. */
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 */
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pxTopOfStack--;
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*pxTopOfStack = 0x12345678; /* Accumulator. */
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pxTopOfStack--;
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*pxTopOfStack = 0x87654321; /* Accumulator. */
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return pxTopOfStack;
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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extern void vApplicationSetupTimerInterrupt( void );
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extern void vApplicationSetupTimerInterrupt( void );
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/* Use pxCurrentTCB just so it does not get optimised away. */
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if( pxCurrentTCB != NULL )
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{
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/* Call an application function to set up the timer that will generate the
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tick interrupt. This way the application can decide which peripheral to
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use. A demo application is provided to show a suitable example. */
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vApplicationSetupTimerInterrupt();
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/* Use pxCurrentTCB just so it does not get optimised away. */
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if( pxCurrentTCB != NULL )
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{
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/* Call an application function to set up the timer that will generate the
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* tick interrupt. This way the application can decide which peripheral to
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* use. A demo application is provided to show a suitable example. */
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vApplicationSetupTimerInterrupt();
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/* Enable the software interrupt. */
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_IEN( _ICU_SWINT ) = 1;
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/* Enable the software interrupt. */
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_IEN( _ICU_SWINT ) = 1;
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/* Ensure the software interrupt is clear. */
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_IR( _ICU_SWINT ) = 0;
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/* Ensure the software interrupt is clear. */
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_IR( _ICU_SWINT ) = 0;
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/* Ensure the software interrupt is set to the kernel priority. */
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_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;
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/* Ensure the software interrupt is set to the kernel priority. */
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_IPR( _ICU_SWINT ) = configKERNEL_INTERRUPT_PRIORITY;
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/* Start the first task. */
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prvStartFirstTask();
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}
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/* Start the first task. */
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prvStartFirstTask();
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}
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/* Just to make sure the function is not optimised away. */
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( void ) vSoftwareInterruptISR();
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/* Just to make sure the function is not optimised away. */
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( void ) vSoftwareInterruptISR();
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/* Should not get here. */
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return pdFAIL;
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/* Should not get here. */
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return pdFAIL;
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}
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/*-----------------------------------------------------------*/
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#pragma inline_asm prvStartFirstTask
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static void prvStartFirstTask( void )
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{
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/* When starting the scheduler there is nothing that needs moving to the
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interrupt stack because the function is not called from an interrupt.
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Just ensure the current stack is the user stack. */
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SETPSW U
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/* When starting the scheduler there is nothing that needs moving to the
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* interrupt stack because the function is not called from an interrupt.
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* Just ensure the current stack is the user stack. */
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SETPSW U
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/* Obtain the location of the stack associated with which ever task
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pxCurrentTCB is currently pointing to. */
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MOV.L #_pxCurrentTCB, R15
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MOV.L [R15], R15
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MOV.L [R15], R0
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/* Obtain the location of the stack associated with which ever task
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* pxCurrentTCB is currently pointing to. */
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MOV.L # _pxCurrentTCB, R15
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MOV.L[ R15 ], R15
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MOV.L[ R15 ], R0
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/* Restore the registers from the stack of the task pointed to by
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pxCurrentTCB. */
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POP R15
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MVTACLO R15 /* Accumulator low 32 bits. */
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POP R15
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MVTACHI R15 /* Accumulator high 32 bits. */
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POPM R1-R15 /* R1 to R15 - R0 is not included as it is the SP. */
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RTE /* This pops the remaining registers. */
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NOP
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/* Restore the registers from the stack of the task pointed to by
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* pxCurrentTCB. */
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POP R15
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MVTACLO R15 /* Accumulator low 32 bits. */
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POP R15
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MVTACHI R15 /* Accumulator high 32 bits. */
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POPM R1 - R15 /* R1 to R15 - R0 is not included as it is the SP. */
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RTE /* This pops the remaining registers. */
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NOP
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NOP
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}
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/*-----------------------------------------------------------*/
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#pragma interrupt ( vTickISR( vect = _VECT( configTICK_VECTOR ), enable ) )
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void vTickISR( void )
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{
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/* Increment the tick, and perform any processing the new tick value
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necessitates. */
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set_ipl( configMAX_SYSCALL_INTERRUPT_PRIORITY );
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{
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if( xTaskIncrementTick() != pdFALSE )
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{
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taskYIELD();
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}
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}
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set_ipl( configKERNEL_INTERRUPT_PRIORITY );
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/* Increment the tick, and perform any processing the new tick value
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* necessitates. */
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set_ipl( configMAX_SYSCALL_INTERRUPT_PRIORITY );
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{
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if( xTaskIncrementTick() != pdFALSE )
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{
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taskYIELD();
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}
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}
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set_ipl( configKERNEL_INTERRUPT_PRIORITY );
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}
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/*-----------------------------------------------------------*/
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void vSoftwareInterruptISR( void )
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{
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prvYieldHandler();
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prvYieldHandler();
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}
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/*-----------------------------------------------------------*/
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#pragma inline_asm prvYieldHandler
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static void prvYieldHandler( void )
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{
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/* Re-enable interrupts. */
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SETPSW I
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/* Re-enable interrupts. */
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SETPSW I
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/* Move the data that was automatically pushed onto the interrupt stack when
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the interrupt occurred from the interrupt stack to the user stack.
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/* Move the data that was automatically pushed onto the interrupt stack when
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* the interrupt occurred from the interrupt stack to the user stack.
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*
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* R15 is saved before it is clobbered. */
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PUSH.L R15
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R15 is saved before it is clobbered. */
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PUSH.L R15
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/* Read the user stack pointer. */
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MVFC USP, R15
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/* Read the user stack pointer. */
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MVFC USP, R15
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/* Move the address down to the data being moved. */
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SUB # 12, R15
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MVTC R15, USP
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/* Move the address down to the data being moved. */
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SUB #12, R15
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MVTC R15, USP
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/* Copy the data across. */
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MOV.L[ R0 ], [ R15 ];
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R15
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/* Copy the data across. */
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MOV.L [ R0 ], [ R15 ] ; R15
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MOV.L 4[ R0 ], 4[ R15 ] ; PC
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MOV.L 8[ R0 ], 8[ R15 ] ; PSW
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MOV.L 4[ R0 ], 4[ R15 ];
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PC
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MOV.L 8[ R0 ], 8[ R15 ];
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PSW
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/* Move the interrupt stack pointer to its new correct position. */
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ADD #12, R0
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/* Move the interrupt stack pointer to its new correct position. */
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ADD # 12, R0
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/* All the rest of the registers are saved directly to the user stack. */
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SETPSW U
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/* All the rest of the registers are saved directly to the user stack. */
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SETPSW U
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/* Save the rest of the general registers (R15 has been saved already). */
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PUSHM R1-R14
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/* Save the rest of the general registers (R15 has been saved already). */
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PUSHM R1 - R14
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/* Save the accumulator. */
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MVFACHI R15
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PUSH.L R15
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MVFACMI R15 ; Middle order word.
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SHLL #16, R15 ; Shifted left as it is restored to the low order word.
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PUSH.L R15
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/* Save the accumulator. */
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MVFACHI R15
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PUSH.L R15
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MVFACMI R15;
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Middle order word.
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SHLL # 16, R15;
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Shifted left as it is restored to the low order word.
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PUSH.L R15
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/* Save the stack pointer to the TCB. */
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MOV.L #_pxCurrentTCB, R15
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MOV.L [ R15 ], R15
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MOV.L R0, [ R15 ]
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/* Save the stack pointer to the TCB. */
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MOV.L # _pxCurrentTCB, R15
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MOV.L[ R15 ], R15
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MOV.L R0, [ R15 ]
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/* Ensure the interrupt mask is set to the syscall priority while the kernel
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structures are being accessed. */
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MVTIPL #configMAX_SYSCALL_INTERRUPT_PRIORITY
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/* Ensure the interrupt mask is set to the syscall priority while the kernel
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* structures are being accessed. */
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MVTIPL # configMAX_SYSCALL_INTERRUPT_PRIORITY
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/* Select the next task to run. */
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BSR.A _vTaskSwitchContext
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/* Select the next task to run. */
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BSR.A _vTaskSwitchContext
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/* Reset the interrupt mask as no more data structure access is required. */
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MVTIPL #configKERNEL_INTERRUPT_PRIORITY
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/* Reset the interrupt mask as no more data structure access is required. */
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MVTIPL # configKERNEL_INTERRUPT_PRIORITY
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/* Load the stack pointer of the task that is now selected as the Running
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state task from its TCB. */
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MOV.L #_pxCurrentTCB,R15
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MOV.L [ R15 ], R15
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MOV.L [ R15 ], R0
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/* Load the stack pointer of the task that is now selected as the Running
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* state task from its TCB. */
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MOV.L # _pxCurrentTCB, R15
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MOV.L[ R15 ], R15
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MOV.L[ R15 ], R0
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/* Restore the context of the new task. The PSW (Program Status Word) and
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PC will be popped by the RTE instruction. */
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POP R15
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MVTACLO R15
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POP R15
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MVTACHI R15
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POPM R1-R15
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RTE
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NOP
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NOP
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/* Restore the context of the new task. The PSW (Program Status Word) and
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* PC will be popped by the RTE instruction. */
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POP R15
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MVTACLO R15
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POP R15
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MVTACHI R15
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POPM R1 - R15
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RTE
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NOP
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NOP
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* Not implemented in ports where there is nothing to return to.
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Artificially force an assert. */
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configASSERT( pxCurrentTCB == NULL );
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/* Not implemented in ports where there is nothing to return to.
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* Artificially force an assert. */
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configASSERT( pxCurrentTCB == NULL );
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/* The following line is just to prevent the symbol getting optimised away. */
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( void ) vTaskSwitchContext();
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/* The following line is just to prevent the symbol getting optimised away. */
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( void ) vTaskSwitchContext();
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}
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/*-----------------------------------------------------------*/
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