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cpu/esp32: fix coprocessor stack alignment

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This commit is contained in:
Gunar Schorcht 2018-12-28 14:38:20 +01:00 committed by Schorcht
parent 950dfba7de
commit 28d9599d52
1 changed files with 3 additions and 3 deletions
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6
cpu/esp32/thread_arch.c
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@ -131,12 +131,12 @@ char* thread_stack_init(thread_task_func_t task_func, void *arg, void *stack_sta
uint8_t *top_of_stack;
uint8_t *sp;
top_of_stack = (uint8_t*)((uint32_t)stack_start + stack_size-1);
top_of_stack = (uint8_t*)((uint32_t)stack_start + stack_size - 1);
/* BEGIN - code from FreeRTOS port for Xtensa from Cadence */
/* Create interrupt stack frame aligned to 16 byte boundary */
sp = (uint8_t*)(((uint32_t)(top_of_stack+1) - XT_STK_FRMSZ - XT_CP_SIZE) & ~0xf);
sp = (uint8_t*)(((uint32_t)(top_of_stack + 1) - XT_STK_FRMSZ - XT_CP_SIZE) & ~0xf);
/* Clear whole stack with a known value to assist debugging */
#if !defined(DEVELHELP) && !defined(SCHED_TEST_STACK)
@ -183,7 +183,7 @@ char* thread_stack_init(thread_task_func_t task_func, void *arg, void *stack_sta
uint32_t *p;
p = (uint32_t *)(((uint32_t) top_of_stack+1 - XT_CP_SIZE));
p = (uint32_t *)(((uint32_t)(top_of_stack + 1) - XT_CP_SIZE) & ~0xf);
p[0] = 0;
p[1] = 0;
p[2] = (((uint32_t) p) + 12 + XCHAL_TOTAL_SA_ALIGN - 1) & -XCHAL_TOTAL_SA_ALIGN;