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Optimize SVCall priority on ARMv8-M

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This commit is contained in:
Jeff Tenney 2026-08-25 18:15:48 -07:00
parent 3ac93107b9
commit 53057f65e4
1 changed files with 2 additions and 1 deletions
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3
portable/ARMv8M/non_secure/port.c
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@ -103,6 +103,7 @@ typedef void ( * portISR_t )( void );
#define portMIN_INTERRUPT_PRIORITY ( 255UL )
#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL )
#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL )
#define portNVIC_SVC_PRI ( ( ( uint32_t ) configMAX_SYSCALL_INTERRUPT_PRIORITY - 1UL ) << 24UL )
/*-----------------------------------------------------------*/
/**
@ -2286,7 +2287,7 @@ void vPortConfigureInterruptPriorities( void ) /* PRIVILEGED_FUNCTION */
* the highest priority. */
portNVIC_SHPR3_REG |= portNVIC_PENDSV_PRI;
portNVIC_SHPR3_REG |= portNVIC_SYSTICK_PRI;
portNVIC_SHPR2_REG = 0;
portNVIC_SHPR2_REG = portNVIC_SVC_PRI;
}
/*-----------------------------------------------------------*/