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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [port.c] - Diff between revs 572 and 621

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Rev 572	Rev 621
Line 61...	Line 61...
`#include "task.h"`	`#include "task.h"`

`/* Processor constants. */`	`/* Processor constants. */`
`#include "port_spr_defs.h"`	`#include "port_spr_defs.h"`

	`/* Jump buffer */`
	`#include <setjmp.h>`
	`static jmp_buf jmpbuf;`

`/* Tick Timer Interrupt handler */`	`/* Tick Timer Interrupt handler */`
`void vTickHandler( void );`	`void vTickHandler( void );`

`/* Setup the timer to generate the tick interrupts. */`	`/* Setup the timer to generate the tick interrupts. */`
`static void prvSetupTimerInterrupt( void );`	`static void prvSetupTimerInterrupt( void );`
Line 170...	Line 174...
`return pxTopOfStack;`	`return pxTopOfStack;`
`}`	`}`

`portBASE_TYPE xPortStartScheduler( void )`	`portBASE_TYPE xPortStartScheduler( void )`
`{`	`{`
	`if(setjmp((void *)jmpbuf) == 0) {`
`/* Start the timer that generates the tick ISR. Interrupts are disabled`	`/* Start the timer that generates the tick ISR. Interrupts are disabled`
`here already. */`	`here already. */`
`prvSetupTimerInterrupt();`	`prvSetupTimerInterrupt();`

`/* Start the first task. */`	`/* Start the first task. */`
`portRESTORE_CONTEXT();`	`portRESTORE_CONTEXT();`

`/* Should not get here! */`	`/* Should not get here! */`
	`} else {`
	`/* Retrun by vPortEndScheduler */`
	`}`

`return 0;`	`return 0;`
`}`	`}`

`void vPortEndScheduler( void )`	`void vPortEndScheduler( void )`
`{`	`{`
`mtspr(SPR_SR, mfspr(SPR_SR) & (~SPR_SR_TEE)); // Tick stop`	`mtspr(SPR_SR, mfspr(SPR_SR) & (~SPR_SR_TEE)); // Tick stop`
	`longjmp((void *)jmpbuf, 1); // return to xPortStartScheduler`
`}`	`}`

`/*`	`/*`
`* Setup the tick timer to generate the tick interrupts at the required frequency.`	`* Setup the tick timer to generate the tick interrupts at the required frequency.`
`*/`	`*/`
Line 209...	Line 219...

`// set OR1200 to accept exceptions`	`// set OR1200 to accept exceptions`
`mtspr(SPR_SR, mfspr(SPR_SR) \| SPR_SR_TEE);`	`mtspr(SPR_SR, mfspr(SPR_SR) \| SPR_SR_TEE);`
`}`	`}`

	`/*`
	`* naked attribute is ignored or32-elf-gcc 4.5.1-or32-1.0rc1`
	`* use assemble routines in portasm.S`
	`*/`
`#if 0`	`#if 0`
`void vTickHandler( void )`	`void vTickHandler( void )`
`{`	`{`
`// clears interrupt`	`// clears interrupt`
`mtspr(SPR_TTMR, mfspr(SPR_TTMR) & ~(SPR_TTMR_IP));`	`mtspr(SPR_TTMR, mfspr(SPR_TTMR) & ~(SPR_TTMR_IP));`

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [port.c] - Diff between revs 572 and 621