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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Style: uncrusitfy
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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 SH2A port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the SH2A port.
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*----------------------------------------------------------*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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@ -38,18 +38,18 @@
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/*-----------------------------------------------------------*/
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/* The SR assigned to a newly created task. The only important thing in this
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value is for all interrupts to be enabled. */
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#define portINITIAL_SR ( 0UL )
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* value is for all interrupts to be enabled. */
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#define portINITIAL_SR ( 0UL )
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/* Dimensions the array into which the floating point context is saved.
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Allocate enough space for FPR0 to FPR15, FPUL and FPSCR, each of which is 4
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bytes big. If this number is changed then the 72 in portasm.src also needs
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changing. */
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#define portFLOP_REGISTERS_TO_STORE ( 18 )
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#define portFLOP_STORAGE_SIZE ( portFLOP_REGISTERS_TO_STORE * 4 )
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* Allocate enough space for FPR0 to FPR15, FPUL and FPSCR, each of which is 4
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* bytes big. If this number is changed then the 72 in portasm.src also needs
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* changing. */
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#define portFLOP_REGISTERS_TO_STORE ( 18 )
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#define portFLOP_STORAGE_SIZE ( portFLOP_REGISTERS_TO_STORE * 4 )
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#if( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
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#error configSUPPORT_DYNAMIC_ALLOCATION must be 1 to use this port.
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#if ( configSUPPORT_DYNAMIC_ALLOCATION == 0 )
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#error configSUPPORT_DYNAMIC_ALLOCATION must be 1 to use this port.
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#endif
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/*-----------------------------------------------------------*/
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@ -74,197 +74,197 @@ extern uint32_t ulPortGetGBR( 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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/* Mark the end of the stack - used for debugging only and can be removed. */
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*pxTopOfStack = 0x11111111UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x22222222UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x33333333UL;
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pxTopOfStack--;
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/* Mark the end of the stack - used for debugging only and can be removed. */
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*pxTopOfStack = 0x11111111UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x22222222UL;
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pxTopOfStack--;
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*pxTopOfStack = 0x33333333UL;
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pxTopOfStack--;
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/* SR. */
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*pxTopOfStack = portINITIAL_SR;
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pxTopOfStack--;
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/* SR. */
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*pxTopOfStack = portINITIAL_SR;
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pxTopOfStack--;
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/* PC. */
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*pxTopOfStack = ( uint32_t ) pxCode;
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pxTopOfStack--;
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/* PC. */
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*pxTopOfStack = ( uint32_t ) pxCode;
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pxTopOfStack--;
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/* PR. */
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*pxTopOfStack = 15;
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pxTopOfStack--;
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/* PR. */
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*pxTopOfStack = 15;
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pxTopOfStack--;
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/* 14. */
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*pxTopOfStack = 14;
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pxTopOfStack--;
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/* 14. */
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*pxTopOfStack = 14;
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pxTopOfStack--;
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/* R13. */
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*pxTopOfStack = 13;
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pxTopOfStack--;
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/* R13. */
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*pxTopOfStack = 13;
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pxTopOfStack--;
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/* R12. */
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*pxTopOfStack = 12;
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pxTopOfStack--;
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/* R12. */
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*pxTopOfStack = 12;
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pxTopOfStack--;
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/* R11. */
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*pxTopOfStack = 11;
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pxTopOfStack--;
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/* R11. */
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*pxTopOfStack = 11;
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pxTopOfStack--;
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/* R10. */
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*pxTopOfStack = 10;
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pxTopOfStack--;
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/* R10. */
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*pxTopOfStack = 10;
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pxTopOfStack--;
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/* R9. */
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*pxTopOfStack = 9;
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pxTopOfStack--;
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/* R9. */
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*pxTopOfStack = 9;
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pxTopOfStack--;
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/* R8. */
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*pxTopOfStack = 8;
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pxTopOfStack--;
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/* R8. */
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*pxTopOfStack = 8;
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pxTopOfStack--;
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/* R7. */
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*pxTopOfStack = 7;
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pxTopOfStack--;
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/* R7. */
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*pxTopOfStack = 7;
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pxTopOfStack--;
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/* R6. */
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*pxTopOfStack = 6;
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pxTopOfStack--;
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/* R6. */
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*pxTopOfStack = 6;
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pxTopOfStack--;
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/* R5. */
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*pxTopOfStack = 5;
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pxTopOfStack--;
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/* R5. */
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*pxTopOfStack = 5;
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pxTopOfStack--;
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/* R4. */
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*pxTopOfStack = ( uint32_t ) pvParameters;
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pxTopOfStack--;
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/* R4. */
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*pxTopOfStack = ( uint32_t ) pvParameters;
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pxTopOfStack--;
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/* R3. */
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*pxTopOfStack = 3;
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pxTopOfStack--;
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/* R3. */
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*pxTopOfStack = 3;
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pxTopOfStack--;
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/* R2. */
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*pxTopOfStack = 2;
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pxTopOfStack--;
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/* R2. */
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*pxTopOfStack = 2;
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pxTopOfStack--;
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/* R1. */
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*pxTopOfStack = 1;
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pxTopOfStack--;
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/* R1. */
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*pxTopOfStack = 1;
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pxTopOfStack--;
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/* R0 */
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*pxTopOfStack = 0;
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pxTopOfStack--;
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/* R0 */
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*pxTopOfStack = 0;
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pxTopOfStack--;
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/* MACL. */
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*pxTopOfStack = 16;
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pxTopOfStack--;
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/* MACL. */
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*pxTopOfStack = 16;
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pxTopOfStack--;
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/* MACH. */
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*pxTopOfStack = 17;
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pxTopOfStack--;
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/* MACH. */
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*pxTopOfStack = 17;
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pxTopOfStack--;
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/* GBR. */
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*pxTopOfStack = ulPortGetGBR();
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/* GBR. */
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*pxTopOfStack = ulPortGetGBR();
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/* GBR = global base register.
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VBR = vector base register.
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TBR = jump table base register.
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R15 is the stack pointer. */
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/* GBR = global base register.
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* VBR = vector base register.
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* TBR = jump table base register.
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* R15 is the stack pointer. */
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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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/* 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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/* 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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/* Start the first task. This will only restore the standard registers and
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not the flop registers. This does not really matter though because the only
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flop register that is initialised to a particular value is fpscr, and it is
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only initialised to the current value, which will still be the current value
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when the first task starts executing. */
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trapa( portSTART_SCHEDULER_TRAP_NO );
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/* Start the first task. This will only restore the standard registers and
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* not the flop registers. This does not really matter though because the only
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* flop register that is initialised to a particular value is fpscr, and it is
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* only initialised to the current value, which will still be the current value
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* when the first task starts executing. */
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trapa( portSTART_SCHEDULER_TRAP_NO );
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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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void vPortEndScheduler( void )
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{
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/* Not implemented as there is nothing to return to. */
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/* Not implemented as there is nothing to return to. */
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}
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/*-----------------------------------------------------------*/
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void vPortYield( void )
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{
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int32_t lInterruptMask;
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int32_t lInterruptMask;
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/* Ensure the yield trap runs at the same priority as the other interrupts
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that can cause a context switch. */
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lInterruptMask = get_imask();
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/* Ensure the yield trap runs at the same priority as the other interrupts
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* that can cause a context switch. */
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lInterruptMask = get_imask();
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/* taskYIELD() can only be called from a task, not an interrupt, so the
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current interrupt mask can only be 0 or portKERNEL_INTERRUPT_PRIORITY and
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the mask can be set without risk of accidentally lowering the mask value. */
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set_imask( portKERNEL_INTERRUPT_PRIORITY );
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/* taskYIELD() can only be called from a task, not an interrupt, so the
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* current interrupt mask can only be 0 or portKERNEL_INTERRUPT_PRIORITY and
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* the mask can be set without risk of accidentally lowering the mask value. */
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set_imask( portKERNEL_INTERRUPT_PRIORITY );
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trapa( portYIELD_TRAP_NO );
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trapa( portYIELD_TRAP_NO );
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/* Restore the interrupt mask to whatever it was previously (when the
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function was entered). */
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set_imask( ( int ) lInterruptMask );
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/* Restore the interrupt mask to whatever it was previously (when the
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* function was entered). */
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set_imask( ( int ) lInterruptMask );
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortUsesFloatingPoint( TaskHandle_t xTask )
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{
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uint32_t *pulFlopBuffer;
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BaseType_t xReturn;
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extern void * volatile pxCurrentTCB;
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uint32_t * pulFlopBuffer;
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BaseType_t xReturn;
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extern void * volatile pxCurrentTCB;
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/* This function tells the kernel that the task referenced by xTask is
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going to use the floating point registers and therefore requires the
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floating point registers saved as part of its context. */
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/* This function tells the kernel that the task referenced by xTask is
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* going to use the floating point registers and therefore requires the
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* floating point registers saved as part of its context. */
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/* Passing NULL as xTask is used to indicate that the calling task is the
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subject task - so pxCurrentTCB is the task handle. */
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if( xTask == NULL )
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{
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xTask = ( TaskHandle_t ) pxCurrentTCB;
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}
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/* Passing NULL as xTask is used to indicate that the calling task is the
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* subject task - so pxCurrentTCB is the task handle. */
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if( xTask == NULL )
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{
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xTask = ( TaskHandle_t ) pxCurrentTCB;
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}
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/* Allocate a buffer large enough to hold all the flop registers. */
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pulFlopBuffer = ( uint32_t * ) pvPortMalloc( portFLOP_STORAGE_SIZE );
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/* Allocate a buffer large enough to hold all the flop registers. */
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pulFlopBuffer = ( uint32_t * ) pvPortMalloc( portFLOP_STORAGE_SIZE );
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if( pulFlopBuffer != NULL )
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{
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/* Start with the registers in a benign state. */
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memset( ( void * ) pulFlopBuffer, 0x00, portFLOP_STORAGE_SIZE );
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if( pulFlopBuffer != NULL )
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{
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/* Start with the registers in a benign state. */
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memset( ( void * ) pulFlopBuffer, 0x00, portFLOP_STORAGE_SIZE );
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/* The first thing to get saved in the buffer is the FPSCR value -
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initialise this to the current FPSCR value. */
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*pulFlopBuffer = get_fpscr();
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/* The first thing to get saved in the buffer is the FPSCR value -
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* initialise this to the current FPSCR value. */
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*pulFlopBuffer = get_fpscr();
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/* Use the task tag to point to the flop buffer. Pass pointer to just
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above the buffer because the flop save routine uses a pre-decrement. */
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vTaskSetApplicationTaskTag( xTask, ( void * ) ( pulFlopBuffer + portFLOP_REGISTERS_TO_STORE ) );
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xReturn = pdPASS;
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}
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else
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{
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xReturn = pdFAIL;
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}
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/* Use the task tag to point to the flop buffer. Pass pointer to just
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* above the buffer because the flop save routine uses a pre-decrement. */
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vTaskSetApplicationTaskTag( xTask, ( void * ) ( pulFlopBuffer + portFLOP_REGISTERS_TO_STORE ) );
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xReturn = pdPASS;
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}
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else
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{
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xReturn = pdFAIL;
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}
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return xReturn;
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return xReturn;
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}
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/*-----------------------------------------------------------*/
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