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xtensa: fix CONFIG_INIT_STACKS for IRQ stack

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The interrupt stack area wasn't being set to a repeating
0xAA pattern at boot as it should be. This is now done in
kernel_arch_init(), which runs before interrupts are
enabled for the first time.

Fixes #7327

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2018-05-16 11:02:29 -07:00 • committed by Andrew Boie
commit 0daf69bb57
1 changed files with 6 additions and 0 deletions
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6
arch/xtensa/include/kernel_arch_func.h
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@ -10,6 +10,7 @@
#define _kernel_arch_func__h_
#ifndef _ASMLANGUAGE
#include <string.h>
#ifdef __cplusplus
extern "C" {
@ -77,6 +78,11 @@ static ALWAYS_INLINE void kernel_arch_init(void)
*/
_xt_coproc_init();
#endif
#ifdef CONFIG_INIT_STACKS
memset(K_THREAD_STACK_BUFFER(_interrupt_stack), 0xAA,
CONFIG_ISR_STACK_SIZE);
#endif
}
/**