94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
// Copyright 2017 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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// This module implements runtime file I/O API for GCOV.
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#include "esp_task_wdt.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "soc/cpu.h"
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#include "soc/timer_group_struct.h"
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#include "soc/timer_group_reg.h"
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#include "esp_app_trace.h"
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#if CONFIG_ESP32_APPTRACE_ENABLE
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#define LOG_LOCAL_LEVEL CONFIG_LOG_DEFAULT_LEVEL
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#include "esp_log.h"
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const static char *TAG = "esp_gcov_rtio";
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static void (*s_gcov_exit)(void);
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static uint8_t s_gcov_down_buf[256];
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void esp_gcov_dump()
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{
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#if CONFIG_FREERTOS_UNICORE == 0
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esp_cpu_stall(!xPortGetCoreID());
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#endif
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while (!esp_apptrace_host_is_connected(ESP_APPTRACE_DEST_TRAX)) {
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// to avoid complains that task watchdog got triggered for other tasks
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TIMERG0.wdt_wprotect=TIMG_WDT_WKEY_VALUE;
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TIMERG0.wdt_feed=1;
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TIMERG0.wdt_wprotect=0;
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// to avoid reboot on INT_WDT
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TIMERG1.wdt_wprotect=TIMG_WDT_WKEY_VALUE;
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TIMERG1.wdt_feed=1;
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TIMERG1.wdt_wprotect=0;
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}
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if (s_gcov_exit) {
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esp_apptrace_down_buffer_config(s_gcov_down_buf, sizeof(s_gcov_down_buf));
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s_gcov_exit();
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}
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int ret = esp_apptrace_fstop(ESP_APPTRACE_DEST_TRAX);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to send files transfer stop cmd (%d)!\n", ret);
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}
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}
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int gcov_rtio_atexit(void (*function)(void))
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{
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s_gcov_exit = function;
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return 0;
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}
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void *gcov_rtio_fopen(const char *path, const char *mode)
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{
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return esp_apptrace_fopen(ESP_APPTRACE_DEST_TRAX, path, mode);
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}
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int gcov_rtio_fclose(void *stream)
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{
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return esp_apptrace_fclose(ESP_APPTRACE_DEST_TRAX, stream);
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}
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size_t gcov_rtio_fwrite(const void *ptr, size_t size, size_t nmemb, void *stream)
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{
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return esp_apptrace_fwrite(ESP_APPTRACE_DEST_TRAX, ptr, size, nmemb, stream);
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}
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int gcov_rtio_fseek(void *stream, long offset, int whence)
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{
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return esp_apptrace_fseek(ESP_APPTRACE_DEST_TRAX, stream, offset, whence);
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}
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long gcov_rtio_ftell(void *stream)
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{
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return esp_apptrace_ftell(ESP_APPTRACE_DEST_TRAX, stream);
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}
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#endif
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