4a3e160888
Complimentary changes: 1) Partition table definitions files with core dump partition 2) Special sub-type for core dump partition 3) Special version of spi_flash_xxx 4) espcoredump.py is script to get core dump from flash and print useful info 5) FreeRTOS API was extended to get tasks snapshots
276 lines
9 KiB
C
276 lines
9 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
|
|
//#include "esp_attr.h"
|
|
#include "esp_panic.h"
|
|
#include "esp_partition.h"
|
|
|
|
#ifdef ESP_PLATFORM
|
|
// Uncomment this line to force output from this module
|
|
#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG
|
|
#include "esp_log.h"
|
|
static const char* TAG = "esp_core_dump_init";
|
|
#else
|
|
#define ESP_LOGD(...)
|
|
#endif
|
|
|
|
// TODO: allow user to set this in menuconfig or get tasks iteratively
|
|
#define COREDUMP_MAX_TASKS_NUM 32
|
|
|
|
#if CONFIG_ESP32_ENABLE_COREDUMP_TO_FLASH
|
|
|
|
// magic numbers to control core dump data consistency
|
|
#define COREDUMP_FLASH_MAGIC_START 0xDEADBEEFUL
|
|
#define COREDUMP_FLASH_MAGIC_END 0xACDCFEEDUL
|
|
|
|
// core dump partition start
|
|
static uint32_t s_core_part_start;
|
|
// core dump partition size
|
|
static uint32_t s_core_part_size;
|
|
|
|
static uint32_t esp_core_dump_write_flash_padded(size_t off, uint8_t *data, uint32_t data_size)
|
|
{
|
|
esp_err_t err;
|
|
uint32_t data_len = 0, k, len;
|
|
union
|
|
{
|
|
uint8_t data8[4];
|
|
uint32_t data32;
|
|
} rom_data;
|
|
|
|
data_len = (data_size / sizeof(uint32_t)) * sizeof(uint32_t);
|
|
err = spi_flash_write_panic(off, data, data_len);
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to write data");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return 0;
|
|
}
|
|
|
|
len = data_size % sizeof(uint32_t);
|
|
if (len) {
|
|
// write last bytes with padding, actual TCB len can be retrieved by esptool from core dump header
|
|
rom_data.data32 = 0;
|
|
for (k = 0; k < len; k++)
|
|
rom_data.data8[k] = *(data + data_len + k);
|
|
err = spi_flash_write_panic(off + data_len, &rom_data, sizeof(uint32_t));
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to write data end");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return 0;
|
|
}
|
|
data_len += sizeof(uint32_t);
|
|
}
|
|
|
|
return data_len;
|
|
}
|
|
|
|
/*
|
|
* | MAGIC1 |
|
|
* | TOTAL_LEN | TASKS_NUM | TCB_SIZE |
|
|
* | TCB_ADDR_1 | STACK_TOP_1 | STACK_END_1 | TCB_1 | STACK_1 |
|
|
* . . . .
|
|
* . . . .
|
|
* | TCB_ADDR_N | STACK_TOP_N | STACK_END_N | TCB_N | STACK_N |
|
|
* | MAGIC2 |
|
|
*/
|
|
void esp_core_dump_to_flash(XtExcFrame *frame)
|
|
{
|
|
union
|
|
{
|
|
uint8_t data8[16];
|
|
uint32_t data32[4];
|
|
} rom_data;
|
|
//const esp_partition_t *core_part;
|
|
esp_err_t err;
|
|
TaskSnapshot_t tasks[COREDUMP_MAX_TASKS_NUM];
|
|
UBaseType_t tcb_sz, task_num;
|
|
uint32_t data_len = 0, i, len, sec_num;
|
|
size_t off;
|
|
|
|
esp_panicPutStr("Save core dump to flash...\r\n");
|
|
task_num = uxTaskGetSnapshotAll(tasks, COREDUMP_MAX_TASKS_NUM, &tcb_sz);
|
|
// take TCB padding into account, actual TCB size will be stored in header
|
|
if (tcb_sz % sizeof(uint32_t))
|
|
len = (tcb_sz / sizeof(uint32_t) + 1) * sizeof(uint32_t);
|
|
else
|
|
len = tcb_sz;
|
|
// header + magic2 + tasknum*(tcb + stack start/end + tcb addr)
|
|
data_len = 5*sizeof(uint32_t) + task_num*(len + 2*sizeof(uint32_t) + sizeof(uint32_t *));
|
|
for (i = 0; i < task_num; i++) {
|
|
if (tasks[i].pxTCB == xTaskGetCurrentTaskHandle()) {
|
|
// set correct stack top for current task
|
|
tasks[i].pxTopOfStack = (StackType_t *)frame;
|
|
esp_panicPutStr("Current task PC/A0/SP ");
|
|
esp_panicPutHex(frame->pc);
|
|
esp_panicPutStr(" ");
|
|
esp_panicPutHex(frame->a0);
|
|
esp_panicPutStr(" ");
|
|
esp_panicPutHex(frame->a1);
|
|
esp_panicPutStr("\r\n");
|
|
}
|
|
#if( portSTACK_GROWTH < 0 )
|
|
len = (uint32_t)tasks[i].pxEndOfStack - (uint32_t)tasks[i].pxTopOfStack;
|
|
#else
|
|
len = (uint32_t)tasks[i].pxTopOfStack - (uint32_t)tasks[i].pxEndOfStack;
|
|
#endif
|
|
esp_panicPutStr("stack len = ");
|
|
esp_panicPutHex(len);
|
|
esp_panicPutStr(" ");
|
|
esp_panicPutHex((int)tasks[i].pxTopOfStack);
|
|
esp_panicPutStr(" ");
|
|
esp_panicPutHex((int)tasks[i].pxEndOfStack);
|
|
esp_panicPutStr("\r\n");
|
|
// take stack padding into account
|
|
if (len % sizeof(uint32_t))
|
|
len = (len / sizeof(uint32_t) + 1) * sizeof(uint32_t);
|
|
data_len += len;
|
|
}
|
|
esp_panicPutStr("Core dump len =");
|
|
esp_panicPutHex(data_len);
|
|
esp_panicPutStr("\r\n");
|
|
if (data_len > s_core_part_size) {
|
|
esp_panicPutStr("ERROR: Not enough space to save core dump!");
|
|
return;
|
|
}
|
|
|
|
// TEST READ START
|
|
err = spi_flash_read_panic(s_core_part_start + 0, &rom_data, sizeof(rom_data));
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to read flash ");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return;
|
|
}
|
|
else {
|
|
esp_panicPutStr("Data from flash:\r\n");
|
|
for (i = 0; i < sizeof(rom_data)/sizeof(rom_data.data32[0]); i++) {
|
|
esp_panicPutHex(rom_data.data32[i]);
|
|
esp_panicPutStr("\r\n");
|
|
}
|
|
// rom_data[4] = 0;
|
|
// esp_panicPutStr(rom_data);
|
|
// esp_panicPutStr("\r\n");
|
|
}
|
|
// TEST READ END
|
|
|
|
sec_num = data_len / SPI_FLASH_SEC_SIZE;
|
|
if (data_len % SPI_FLASH_SEC_SIZE)
|
|
sec_num++;
|
|
err = spi_flash_erase_range_panic(s_core_part_start + 0, sec_num * SPI_FLASH_SEC_SIZE);
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to erase flash ");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return;
|
|
}
|
|
|
|
rom_data.data32[0] = COREDUMP_FLASH_MAGIC_START;
|
|
rom_data.data32[1] = data_len;
|
|
rom_data.data32[2] = task_num;
|
|
rom_data.data32[3] = tcb_sz;
|
|
err = spi_flash_write_panic(s_core_part_start + 0, &rom_data, sizeof(rom_data));
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to write core dump header ");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return;
|
|
}
|
|
off = sizeof(rom_data);
|
|
|
|
for (i = 0; i < task_num; i++) {
|
|
esp_panicPutStr("Dump task ");
|
|
esp_panicPutHex((int)tasks[i].pxTCB);
|
|
esp_panicPutStr("\r\n");
|
|
|
|
// save TCB address, stack base and stack top addr
|
|
rom_data.data32[0] = (uint32_t)tasks[i].pxTCB;
|
|
rom_data.data32[1] = (uint32_t)tasks[i].pxTopOfStack;
|
|
rom_data.data32[2] = (uint32_t)tasks[i].pxEndOfStack;
|
|
err = spi_flash_write_panic(s_core_part_start + off, &rom_data, 3*sizeof(uint32_t));
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("ERROR: Failed to write task header ");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return;
|
|
}
|
|
off += 3*sizeof(uint32_t);
|
|
// save TCB
|
|
len = esp_core_dump_write_flash_padded(s_core_part_start + off, tasks[i].pxTCB, tcb_sz);
|
|
if (len == 0)
|
|
return;
|
|
off += len;
|
|
// save task stack
|
|
/*int k;
|
|
for (k = 0; k < 8*4; k++) {
|
|
esp_panicPutStr("stack[");
|
|
esp_panicPutDec(k);
|
|
esp_panicPutStr("] = ");
|
|
esp_panicPutHex(((uint8_t *)tasks[i].pxTopOfStack)[k]);
|
|
esp_panicPutStr("\r\n");
|
|
}*/
|
|
len = esp_core_dump_write_flash_padded(s_core_part_start + off,
|
|
#if( portSTACK_GROWTH < 0 )
|
|
tasks[i].pxTopOfStack,
|
|
(uint32_t)tasks[i].pxEndOfStack - (uint32_t)tasks[i].pxTopOfStack
|
|
#else
|
|
tasks[i].pxEndOfStack,
|
|
(uint32_t)tasks[i].pxTopOfStack - (uint32_t)tasks[i].pxEndOfStack
|
|
#endif
|
|
);
|
|
if (len == 0)
|
|
return;
|
|
off += len;
|
|
}
|
|
|
|
rom_data.data32[0] = COREDUMP_FLASH_MAGIC_END;
|
|
err = spi_flash_write_panic(s_core_part_start + off, &rom_data, sizeof(uint32_t));
|
|
if (err != ESP_OK) {
|
|
esp_panicPutStr("Failed to write to flash ");
|
|
esp_panicPutHex(err);
|
|
esp_panicPutStr("!\r\n");
|
|
return;
|
|
}
|
|
|
|
esp_panicPutStr("Core dump has been saved to flash partition.\r\n");
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_ESP32_ENABLE_COREDUMP_TO_UART
|
|
void esp_core_dump_to_uart(XtExcFrame *frame)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
void esp_core_dump_init()
|
|
{
|
|
#if CONFIG_ESP32_ENABLE_COREDUMP_TO_FLASH
|
|
const esp_partition_t *core_part;
|
|
|
|
core_part = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_COREDUMP, NULL);
|
|
if (!core_part) {
|
|
ESP_LOGE(TAG, "No core dump partition found!");
|
|
return;
|
|
}
|
|
ESP_LOGI(TAG, "Found partition '%s' @ %x %d bytes", core_part->label, core_part->address, core_part->size);
|
|
s_core_part_start = core_part->address;
|
|
s_core_part_size = core_part->size;
|
|
#endif
|
|
#if CONFIG_ESP32_ENABLE_COREDUMP_TO_UART
|
|
#endif
|
|
}
|
|
|