kopia lustrzana https://github.com/espressif/esp-idf
204 wiersze
6.2 KiB
C
204 wiersze
6.2 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ESP_CORE_DUMP_PORT_H_
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#define ESP_CORE_DUMP_PORT_H_
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/**
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* @file
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* @brief Core dump port interface.
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*
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* This file contains all the functions required by the core dump component to
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* get the information related to the board or the SoC itself. Currently, the
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* implementations of this interface, located in `src/port/[arch]`, support
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* both Xtensa and RISC-V architecture.
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*/
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "soc/cpu.h"
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#include "esp_debug_helpers.h"
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#include "esp_app_format.h"
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#include "esp_core_dump_types.h"
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#include "esp_core_dump_port_impl.h"
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#include "esp_core_dump.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Get the architecture ID.
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*
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* @return Architecture ID, as described by ELF format.
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*/
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uint16_t esp_core_dump_get_arch_id(void);
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/**
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* @brief Initialize the port module. This function is also in charge of
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* initializing the extra information, if any.
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*
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* @param info Pointer to the panic information. It contains the execution
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* frame.
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*/
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void esp_core_dump_port_init(panic_info_t *info);
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/**
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* @brief Reset fake stacks allocator, if any.
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*
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* @note This function is called if we want to free all the previously
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* allocated "fake" stacks, used in broken tasks.
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*/
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void esp_core_dump_reset_fake_stacks(void);
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/**
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* @brief Get ISR stack end address.
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*
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* @return End address of the ISR stack.
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*/
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uint32_t esp_core_dump_get_isr_stack_end(void);
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/**
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* @brief Get the top of the ISR stack.
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*
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* @return Pointer to the top of the ISR stack.
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*/
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uint8_t* esp_core_dump_get_isr_stack_top(void);
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/**
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* @brief Check the stack defined by address given.
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*
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* @param task Task to check the stack of.
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*
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* @return true is the stack is sane, false else.
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*/
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bool esp_core_dump_check_stack(core_dump_task_header_t *task);
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/**
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* @brief Check if the memory segment is sane.
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*
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* @param addr Address of the memory segment to check.
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* @param sz Size of the memory segment to check.
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*
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* @return true if the memory segment is sane, false else.
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*/
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bool esp_core_dump_mem_seg_is_sane(uint32_t addr, uint32_t sz);
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/**
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* @brief Get the stack of a task.
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*
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* @param task_snapshot Pointer to the task snapshot.
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* @param stk_vaddr Pointer which will be set to the stack's virtual address.
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* Must **not** be NULL.
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* @param stk_paddr Pointer which will be set to the stack's physical
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* address. Must **not** be NULL.
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*
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* @return Size, in bytes, of the stack.
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*/
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uint32_t esp_core_dump_get_stack(core_dump_task_header_t* task_snapshot,
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uint32_t* stk_vaddr, uint32_t* stk_paddr);
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/**
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* @brief Check the task passed as a parameter.
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*
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* @note The goal of this function is to check whether the task passed is the
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* task that crashed or not. If this is the case and if it didn't crash
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* within an ISR, its stack pointer will be set to the panic frame,
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* containing all the registers values when the error occured. This
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* function also checks if the TCB address is sane or not.
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*
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* @param task Pointer to the frame exception generated when the panic occured.
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*
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* @return True if the TCB is sane, false else.
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*/
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bool esp_core_dump_check_task(core_dump_task_header_t *task);
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/**
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* @brief Get a dump of the task's registers.
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*
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* @note In practice, this function is used to fill the ELF file with the
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* PR_STATUS sections for all the existing tasks. This structure
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* contains the CPU registers value when the exception occured.
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*
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* @param task Task to dump the registers from.
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* @param reg_dump Pointer that will be filled with the registers dump.
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* Must **not** be NULL.
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*
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* @return Size, in bytes, of the returned registers duump.
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*/
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uint32_t esp_core_dump_get_task_regs_dump(core_dump_task_header_t *task,
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void **reg_dump);
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/**
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* @brief Transmit the crashed task handle.
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*
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* @param handle Crashed task handle.
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*
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* @note This function is used to give information about the crashed task to
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* the port module. It can be ignored if not needed.
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*/
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void esp_core_dump_port_set_crashed_tcb(uint32_t handle);
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/**
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* @brief Retrieve the extra information.
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*
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* @param info Pointer that will be filled with the extra information.
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* Can be NULL, in that case, this function is used to get the
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* extra information size.
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*
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* @return Size, in bytes, of the extra information.
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*/
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uint32_t esp_core_dump_get_extra_info(void **info);
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#if CONFIG_ESP_COREDUMP_ENABLE_TO_FLASH && CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF
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/**
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* @brief Parse extra information into summary
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*
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* @param summary Pointer to core dump summary structure
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* @param ei_data Pointer to data of EXTRA_INFO note read from flash
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*/
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void esp_core_dump_summary_parse_extra_info(esp_core_dump_summary_t *summary, void *ei_data);
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/**
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* @brief Parse exception registers into summary
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*
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* @param summary Pointer to core dump summary structure
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* @param stack_data Pointer to data of crashed task's stack read from flash
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*/
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void esp_core_dump_summary_parse_exc_regs(esp_core_dump_summary_t *summary, void *stack_data);
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/**
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* @brief Parse backtrace into bt_info
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*
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* @param bt_info Pointer to store backtrace info
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* @param vaddr Pointer to crashed task's stack vaddr
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* @param paddr Pointe to crashed task's stack paddr
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* @param stack_size Stack size
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*/
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void esp_core_dump_summary_parse_backtrace_info(esp_core_dump_bt_info_t *bt_info, const void *vaddr,
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const void *paddr, uint32_t stack_size);
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#endif /* CONFIG_ESP_COREDUMP_ENABLE_TO_FLASH && CONFIG_ESP_COREDUMP_DATA_FORMAT_ELF */
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#ifdef __cplusplus
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}
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#endif
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#endif
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