Commit 371ad016 authored by Daniel Leung's avatar Daniel Leung Committed by Anas Nashif
Browse files

xtensa: no need to clear DEPC on C handler exit for MPU 



Xtensa MPU code does not handle double exception in C. So there
is no need to clear DEPC on C handler exit.

Signed-off-by: default avatarDaniel Leung <daniel.leung@intel.com>
parent b696257e

arch/xtensa/core/vector_handlers.c

+2 −3
Original line number Diff line number Diff line
@@ -370,15 +370,14 @@ void *xtensa_excint1_c(void *esf) 
		_current_cpu->nested = 1;

	}



#if defined(CONFIG_XTENSA_MMU) || defined(CONFIG_XTENSA_MPU)

#ifdef CONFIG_USERSPACE

fixup_out:

#endif

#if defined(CONFIG_XTENSA_MMU)

	if (is_dblexc) {

		__asm__ volatile("wsr.depc %0" : : "r"(0));

	}

#endif /* CONFIG_XTENSA_MMU || CONFIG_XTENSA_MPU */



#endif /* CONFIG_XTENSA_MMU */



	return return_to(interrupted_stack);

}

CRA Git | Maintained and supported by SUSTech CRA and CCSE