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system: enable shared stack watchpoint

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Enable shared stack watchpoint for overflow detection

Enable unit tests:
 * "test printf using shared buffer stack" for C3
 * "Test vTaskDelayUntil" for S2
 * "UART can do poll()" for C3
This commit is contained in:
Marius Vikhammer
2021-01-28 11:32:51 +08:00
parent 9083ef97e5
commit 360e7c4d51
9 changed files with 16 additions and 31 deletions
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8
components/xtensa/expression_with_stack_xtensa.c
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@@ -17,6 +17,8 @@
#include <freertos/xtensa_context.h>
#include <setjmp.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/portmacro.h"
StackType_t *xtensa_shared_stack;
shared_stack_function xtensa_shared_stack_callback;
@@ -29,10 +31,6 @@ extern void esp_shared_stack_invoke_function(void);
static void esp_switch_stack_setup(StackType_t *stack, size_t stack_size)
{
#if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
esp_clear_watchpoint(1);
uint32_t watchpoint_place = ((uint32_t)stack + 32) & ~0x1f ;
#endif
//We need also to tweak current task stackpointer to avoid erroneous
//stack overflow indication, so fills the stack with freertos known pattern:
memset(stack, 0xa5U, stack_size * sizeof(StackType_t));
@@ -48,7 +46,7 @@ static void esp_switch_stack_setup(StackType_t *stack, size_t stack_size)
top_of_stack = (StackType_t *)(((UBaseType_t)(top_of_stack - 16) & ~0xf));
#if CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK
esp_set_watchpoint(1, (uint8_t *)watchpoint_place, 32, ESP_WATCHPOINT_STORE);
vPortSetStackWatchpoint(stack);
#endif
xtensa_shared_stack = top_of_stack;