shared_stack: fixed watchpoint placement on shared_stack
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@ -19,7 +19,8 @@
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StackType_t * esp_switch_stack_setup(StackType_t *stack, size_t stack_size)
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{
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#if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
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int watchpoint_place = (((int)stack + 31) & ~31);
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esp_clear_watchpoint(0);
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uint32_t watchpoint_place = ((uint32_t)stack + 32) & 0x1f ;
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#endif
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StackType_t *top_of_stack = (StackType_t *)&stack[0] +
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((stack_size * sizeof(StackType_t)) / sizeof(StackType_t));
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@ -35,7 +36,7 @@ StackType_t * esp_switch_stack_setup(StackType_t *stack, size_t stack_size)
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frame->a1 = (UBaseType_t)top_of_stack;
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#if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
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esp_set_watchpoint(2, (char*)watchpoint_place, 32, ESP_WATCHPOINT_STORE);
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esp_set_watchpoint(0, (uint8_t *)watchpoint_place, 32, ESP_WATCHPOINT_STORE);
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#endif
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return top_of_stack;
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@ -47,15 +47,10 @@ esp_switch_stack_exit:
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#ifndef __XTENSA_CALL0_ABI__
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entry sp, 0x10
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#if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
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movi a6, 2
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movi a4, esp_clear_watchpoint
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callx4 a4 /* clear the watchpoint before releasing stack */
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#endif
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l32i a4, a2, 0 /* recover the original task stack */
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mov a1, a4 /* put it on sp register again */
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retw
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#else
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#error "this code is written for Window ABI"
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#endif
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