esp-idf/components/esp_system/port/include/private/esp_private/hw_stack_guard.h

137 wiersze
4.3 KiB
C

/*
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#ifndef __ASSEMBLER__
#include "sdkconfig.h"
#include <stdbool.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_HW_STACK_GUARD_NOT_FIRED UINT32_MAX
/* The functions below are designed to be used in interrupt/panic handler
* In case using them in user's code put them into critical section.*/
void esp_hw_stack_guard_monitor_start(void);
void esp_hw_stack_guard_monitor_stop(void);
void esp_hw_stack_guard_set_bounds(uint32_t sp_min, uint32_t sp_max);
void esp_hw_stack_guard_get_bounds(uint32_t core_id, uint32_t *sp_min, uint32_t *sp_max);
uint32_t esp_hw_stack_guard_get_fired_cpu(void);
uint32_t esp_hw_stack_guard_get_pc(uint32_t core_id);
#ifdef __cplusplus
};
#endif
#else // __ASSEMBLER__
#include "hal/assist_debug_ll.h"
#define ASSIST_DEBUG_CORE_0_INTR_ENA_REG_IMM (ASSIST_DEBUG_CORE_0_INTR_ENA_REG >> 12)
#define ASSIST_DEBUG_CORE_0_SP_MIN_OFFSET (ASSIST_DEBUG_CORE_0_SP_MIN_REG - DR_REG_ASSIST_DEBUG_BASE)
#define ASSIST_DEBUG_CORE_0_SP_MAX_OFFSET (ASSIST_DEBUG_CORE_0_SP_MAX_REG - DR_REG_ASSIST_DEBUG_BASE)
#define ASSIST_DEBUG_CORE_0_SP_SPILL_OFFSET (ASSIST_DEBUG_CORE_0_INTR_ENA_REG - DR_REG_ASSIST_DEBUG_BASE)
.macro ESP_HW_STACK_GUARD_SET_BOUNDS_CPU0 reg1
lui \reg1, ASSIST_DEBUG_CORE_0_INTR_ENA_REG_IMM
sw a0, ASSIST_DEBUG_CORE_0_SP_MIN_OFFSET(\reg1)
sw a1, ASSIST_DEBUG_CORE_0_SP_MAX_OFFSET(\reg1)
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_STOP_CPU0 reg1 reg2
lui \reg1, ASSIST_DEBUG_CORE_0_INTR_ENA_REG_IMM
lw \reg2, ASSIST_DEBUG_CORE_0_SP_SPILL_OFFSET(\reg1)
andi \reg2, \reg2, ~ASSIST_DEBUG_SP_SPILL_BITS
sw \reg2, ASSIST_DEBUG_CORE_0_SP_SPILL_OFFSET(\reg1)
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_START_CPU0 reg1 reg2
lui \reg1, ASSIST_DEBUG_CORE_0_INTR_ENA_REG_IMM
lw \reg2, ASSIST_DEBUG_CORE_0_SP_SPILL_OFFSET(\reg1)
ori \reg2, \reg2, ASSIST_DEBUG_SP_SPILL_BITS
sw \reg2, ASSIST_DEBUG_CORE_0_SP_SPILL_OFFSET(\reg1)
.endm
#if SOC_CPU_CORES_NUM > 1
#define ASSIST_DEBUG_CORE_1_INTR_ENA_REG_IMM (ASSIST_DEBUG_CORE_1_INTR_ENA_REG >> 12)
#define ASSIST_DEBUG_CORE_1_SP_MIN_OFFSET (ASSIST_DEBUG_CORE_1_SP_MIN_REG - DR_REG_ASSIST_DEBUG_BASE)
#define ASSIST_DEBUG_CORE_1_SP_MAX_OFFSET (ASSIST_DEBUG_CORE_1_SP_MAX_REG - DR_REG_ASSIST_DEBUG_BASE)
#define ASSIST_DEBUG_CORE_1_SP_SPILL_OFFSET (ASSIST_DEBUG_CORE_1_INTR_ENA_REG - DR_REG_ASSIST_DEBUG_BASE)
.macro ESP_HW_STACK_GUARD_SET_BOUNDS_CPU1 reg1
lui \reg1, ASSIST_DEBUG_CORE_1_INTR_ENA_REG_IMM
sw a0, ASSIST_DEBUG_CORE_1_SP_MIN_OFFSET(\reg1)
sw a1, ASSIST_DEBUG_CORE_1_SP_MAX_OFFSET(\reg1)
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_STOP_CPU1 reg1 reg2
lui \reg1, ASSIST_DEBUG_CORE_1_INTR_ENA_REG_IMM
lw \reg2, ASSIST_DEBUG_CORE_1_SP_SPILL_OFFSET(\reg1)
andi \reg2, \reg2, ~ASSIST_DEBUG_SP_SPILL_BITS
sw \reg2, ASSIST_DEBUG_CORE_1_SP_SPILL_OFFSET(\reg1)
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_START_CPU1 reg1 reg2
lui \reg1, ASSIST_DEBUG_CORE_1_INTR_ENA_REG_IMM
lw \reg2, ASSIST_DEBUG_CORE_1_SP_SPILL_OFFSET(\reg1)
ori \reg2, \reg2, ASSIST_DEBUG_SP_SPILL_BITS
sw \reg2, ASSIST_DEBUG_CORE_1_SP_SPILL_OFFSET(\reg1)
.endm
.macro ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE reg1
/* Check the current core ID */
csrr \reg1, mhartid
beqz \reg1, 1f
/* Core 1 */
ESP_HW_STACK_GUARD_SET_BOUNDS_CPU1 \reg1
j 2f
1:
/* Core 0 */
ESP_HW_STACK_GUARD_SET_BOUNDS_CPU0 \reg1
2:
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE reg1 reg2
/* Check the current core ID */
csrr \reg1, mhartid
beqz \reg1, 1f
/* Core 1 */
ESP_HW_STACK_GUARD_MONITOR_START_CPU1 \reg1 \reg2
j 2f
1:
/* Core 0 */
ESP_HW_STACK_GUARD_MONITOR_START_CPU0 \reg1 \reg2
2:
.endm
.macro ESP_HW_STACK_GUARD_MONITOR_STOP_CUR_CORE reg1 reg2
/* Check the current core ID */
csrr \reg1, mhartid
beqz \reg1, 1f
/* Core 1 */
ESP_HW_STACK_GUARD_MONITOR_STOP_CPU1 \reg1 \reg2
j 2f
1:
/* Core 0 */
ESP_HW_STACK_GUARD_MONITOR_STOP_CPU0 \reg1 \reg2
2:
.endm
#else // SOC_CPU_CORES_NUM <= 1
#define ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE ESP_HW_STACK_GUARD_SET_BOUNDS_CPU0
#define ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE ESP_HW_STACK_GUARD_MONITOR_START_CPU0
#define ESP_HW_STACK_GUARD_MONITOR_STOP_CUR_CORE ESP_HW_STACK_GUARD_MONITOR_STOP_CPU0
#endif // SOC_CPU_CORES_NUM > 1
#endif // __ASSEMBLER__