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Update Risc-V port to use environment call in place of software interrupt - still very much a work in progress.

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This commit is contained in:
Richard Barry 2018-11-19 06:01:29 +00:00
parent baee711cb6
commit 8cef339aec
3 changed files with 30 additions and 12 deletions
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FreeRTOS/Source/portable/GCC/RISC-V-RV32/portmacro.h
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@ -70,7 +70,7 @@ not need to be guarded with a critical section. */
/* Scheduler utilities. */
#define portYIELD() *( ( uint32_t * ) configCTRL_BASE ) = 1UL
#define portYIELD() __asm volatile( "ecall" ); // software interrupt alternative *( ( uint32_t * ) configCTRL_BASE ) |= 0x08UL
#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYield()
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/