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Set the mtvec register in the Spike demonstraction (#794)

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* Set the mtvec register to freertos_risc_v_trap_handler
This commit is contained in:
林振凱
2022-02-18 03:01:50 +08:00
committed by GitHub
parent cc8c0266a8
commit 9abd84992b
1 changed files with 13 additions and 0 deletions
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13
FreeRTOS/Demo/RISC-V-spike-htif_GCC/main.c
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@@ -31,11 +31,18 @@
/* Run a simple demo just prints 'Blink' */
#define DEMO_BLINKY 1
extern void freertos_risc_v_trap_handler( void );
void vApplicationMallocFailedHook( void );
void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );
/*
* Setup the Spike simulator to run this demo.
*/
static void prvSetupSpike( void );
int main_blinky( void );
/*-----------------------------------------------------------*/
@@ -43,6 +50,7 @@ int main_blinky( void );
int main( void )
{
int ret;
prvSetupSpike();
#if defined(DEMO_BLINKY)
ret = main_blinky();
@@ -52,6 +60,11 @@ int main( void )
return ret;
}
/*-----------------------------------------------------------*/
static void prvSetupSpike( void )
{
__asm__ volatile( "csrw mtvec, %0" :: "r"( freertos_risc_v_trap_handler ) );
}
/*-----------------------------------------------------------*/