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OVMS3-idf/components/esp_system/startup.c
Renz Christian Bagaporo 0f43a2620d esp_system: component init functions macro 
Allows components to declare initialization function, such that the
startup code does not have direct dependency on the component.
2020-06-19 18:40:09 +10:00

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// Copyright 2015-2018 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 <stdint.h>
#include <string.h>
#include "esp_attr.h"
#include "esp_err.h"
#include "soc/rtc_wdt.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "freertos/queue.h"
#include "esp_heap_caps_init.h"
#include "esp_system.h"
#include "esp_flash_internal.h"
#include "nvs_flash.h"
#include "esp_spi_flash.h"
#include "esp_private/crosscore_int.h"
#include "esp_log.h"
#include "esp_vfs_dev.h"
#include "esp_newlib.h"
#include "esp_int_wdt.h"
#include "esp_task.h"
#include "esp_task_wdt.h"
#include "esp_phy_init.h"
#include "esp_coexist_internal.h"
#include "esp_core_dump.h"
#include "esp_app_trace.h"
#include "esp_private/dbg_stubs.h"
#include "esp_flash_encrypt.h"
#include "esp_clk_internal.h"
#include "esp_timer.h"
#include "esp_pm.h"
#include "esp_private/pm_impl.h"
#include "esp_ota_ops.h"
#include "sdkconfig.h"
#if CONFIG_IDF_TARGET_ESP32
#include "esp32/rom/uart.h"
#include "esp32/dport_access.h"
#elif CONFIG_IDF_TARGET_ESP32S2
#include "esp32s2/rom/uart.h"
#include "esp32s2/dport_access.h"
#endif
#include "sys_funcs.h"
#define STRINGIFY(s) STRINGIFY2(s)
#define STRINGIFY2(s) #s
void start_cpu0(void) __attribute__((weak, alias("start_cpu0_default"))) __attribute__((noreturn));
void start_cpu0_default(void) IRAM_ATTR __attribute__((noreturn));
#if !CONFIG_FREERTOS_UNICORE
void start_cpu1(void) __attribute__((weak, alias("start_cpu1_default"))) __attribute__((noreturn));
void start_cpu1_default(void) IRAM_ATTR __attribute__((noreturn));
#endif //!CONFIG_FREERTOS_UNICORE
extern void app_main(void);
extern esp_err_t esp_pthread_init(void);
extern void (*__init_array_start)(void);
extern void (*__init_array_end)(void);
extern volatile int port_xSchedulerRunning[2];
static const char* TAG = "cpu_start";
struct object { long placeholder[ 10 ]; };
void __register_frame_info (const void *begin, struct object *ob);
extern char __eh_frame[];
static void do_global_ctors(void)
{
#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
static struct object ob;
__register_frame_info( __eh_frame, &ob );
#endif
void (**p)(void);
for (p = &__init_array_end - 1; p >= &__init_array_start; --p) {
(*p)();
}
}
static void do_system_init_fn(void)
{
extern esp_system_init_fn_t _esp_system_init_fn_array_start;
extern esp_system_init_fn_t _esp_system_init_fn_array_end;
esp_system_init_fn_t *p;
for (p = &_esp_system_init_fn_array_end - 1; p >= &_esp_system_init_fn_array_start; --p) {
if (p->cores & BIT(cpu_hal_get_core_id())) {
(*(p->fn))();
}
}
}
static void main_task(void* args)
{
#if !CONFIG_FREERTOS_UNICORE
// Wait for FreeRTOS initialization to finish on APP CPU, before replacing its startup stack
while (port_xSchedulerRunning[1] == 0) {
;
}
#endif
// Now we have startup stack RAM available for heap, enable any DMA pool memory
#if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
if (g_spiram_ok) {
esp_err_t r = esp_spiram_reserve_dma_pool(CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL);
if (r != ESP_OK) {
ESP_EARLY_LOGE(TAG, "Could not reserve internal/DMA pool (error 0x%x)", r);
abort();
}
}
#endif
//Initialize task wdt if configured to do so
#ifdef CONFIG_ESP_TASK_WDT_PANIC
ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, true));
#elif CONFIG_ESP_TASK_WDT
ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, false));
#endif
//Add IDLE 0 to task wdt
#ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
if(idle_0 != NULL){
ESP_ERROR_CHECK(esp_task_wdt_add(idle_0));
}
#endif
//Add IDLE 1 to task wdt
#ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
if(idle_1 != NULL){
ESP_ERROR_CHECK(esp_task_wdt_add(idle_1));
}
esp_spiram_init_cache();
#endif
// Now that the application is about to start, disable boot watchdog
#ifndef CONFIG_BOOTLOADER_WDT_DISABLE_IN_USER_CODE
rtc_wdt_disable();
#endif
#ifdef CONFIG_BOOTLOADER_EFUSE_SECURE_VERSION_EMULATE
const esp_partition_t *efuse_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_EFUSE_EM, NULL);
if (efuse_partition) {
esp_efuse_init(efuse_partition->address, efuse_partition->size);
}
#endif
app_main();
vTaskDelete(NULL);
}
#if !CONFIG_FREERTOS_UNICORE
void start_cpu1_default(void)
{
// Wait for FreeRTOS initialization to finish on PRO CPU
while (port_xSchedulerRunning[0] == 0) {
;
}
#if CONFIG_APPTRACE_ENABLE
esp_err_t err = esp_apptrace_init();
assert(err == ESP_OK && "Failed to init apptrace module on APP CPU!");
#endif
#if CONFIG_ESP_INT_WDT
//Initialize the interrupt watch dog for CPU1.
esp_int_wdt_cpu_init();
#endif
esp_crosscore_int_init();
esp_dport_access_int_init();
ESP_EARLY_LOGI(TAG, "Starting scheduler on APP CPU.");
xPortStartScheduler();
abort(); /* Only get to here if FreeRTOS somehow very broken */
}
#endif //!CONFIG_FREERTOS_UNICORE
/*
* We arrive here after the bootloader finished loading the program from flash. The hardware is mostly uninitialized,
* and the app CPU is in reset. We do have a stack, so we can do the initialization in C.
*/
void IRAM_ATTR start_cpu0_default(void)
{
if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO) {
const esp_app_desc_t *app_desc = esp_ota_get_app_description();
ESP_EARLY_LOGI(TAG, "Application information:");
#ifndef CONFIG_APP_EXCLUDE_PROJECT_NAME_VAR
ESP_EARLY_LOGI(TAG, "Project name: %s", app_desc->project_name);
#endif
#ifndef CONFIG_APP_EXCLUDE_PROJECT_VER_VAR
ESP_EARLY_LOGI(TAG, "App version: %s", app_desc->version);
#endif
#ifdef CONFIG_BOOTLOADER_APP_SECURE_VERSION
ESP_EARLY_LOGI(TAG, "Secure version: %d", app_desc->secure_version);
#endif
#ifdef CONFIG_APP_COMPILE_TIME_DATE
ESP_EARLY_LOGI(TAG, "Compile time: %s %s", app_desc->date, app_desc->time);
#endif
char buf[17];
esp_ota_get_app_elf_sha256(buf, sizeof(buf));
ESP_EARLY_LOGI(TAG, "ELF file SHA256: %s...", buf);
ESP_EARLY_LOGI(TAG, "ESP-IDF: %s", app_desc->idf_ver);
}
/* Initialize heap allocator */
heap_caps_init();
ESP_EARLY_LOGI(TAG, "Pro cpu start user code");
esp_err_t err;
esp_setup_syscall_table();
if (g_spiram_ok) {
#if CONFIG_SPIRAM_BOOT_INIT && (CONFIG_SPIRAM_USE_CAPS_ALLOC || CONFIG_SPIRAM_USE_MALLOC)
esp_err_t r=esp_spiram_add_to_heapalloc();
if (r != ESP_OK) {
ESP_EARLY_LOGE(TAG, "External RAM could not be added to heap!");
abort();
}
#if CONFIG_SPIRAM_USE_MALLOC
heap_caps_malloc_extmem_enable(CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL);
#endif
#endif
}
#ifndef CONFIG_ESP_CONSOLE_UART_NONE
#ifdef CONFIG_PM_ENABLE
const int uart_clk_freq = REF_CLK_FREQ;
/* When DFS is enabled, use REFTICK as UART clock source */
CLEAR_PERI_REG_MASK(UART_CONF0_REG(CONFIG_ESP_CONSOLE_UART_NUM), UART_TICK_REF_ALWAYS_ON);
#else
const int uart_clk_freq = APB_CLK_FREQ;
#endif // CONFIG_PM_DFS_ENABLE
uart_div_modify(CONFIG_ESP_CONSOLE_UART_NUM, (uart_clk_freq << 4) / CONFIG_ESP_CONSOLE_UART_BAUDRATE);
#endif // CONFIG_ESP_CONSOLE_UART_NONE
#ifdef CONFIG_VFS_SUPPORT_IO
esp_vfs_dev_uart_register();
#endif // CONFIG_VFS_SUPPORT_IO
#if defined(CONFIG_VFS_SUPPORT_IO) && !defined(CONFIG_ESP_CONSOLE_UART_NONE)
esp_reent_init(_GLOBAL_REENT);
const char *default_uart_dev = "/dev/uart/" STRINGIFY(CONFIG_ESP_CONSOLE_UART_NUM);
_GLOBAL_REENT->_stdin = fopen(default_uart_dev, "r");
_GLOBAL_REENT->_stdout = fopen(default_uart_dev, "w");
_GLOBAL_REENT->_stderr = fopen(default_uart_dev, "w");
#else // defined(CONFIG_VFS_SUPPORT_IO) && !defined(CONFIG_ESP_CONSOLE_UART_NONE)
_REENT_SMALL_CHECK_INIT(_GLOBAL_REENT);
#endif // defined(CONFIG_VFS_SUPPORT_IO) && !defined(CONFIG_ESP_CONSOLE_UART_NONE)
// After setting _GLOBAL_REENT, ESP_LOGIx can be used instead of ESP_EARLY_LOGx.
#ifdef CONFIG_SECURE_FLASH_ENC_ENABLED
esp_flash_encryption_init_checks();
#endif
#if CONFIG_SECURE_DISABLE_ROM_DL_MODE
err = esp_efuse_disable_rom_download_mode();
assert(err == ESP_OK && "Failed to disable ROM download mode");
#endif
#if CONFIG_SECURE_ENABLE_SECURE_ROM_DL_MODE
err = esp_efuse_enable_rom_secure_download_mode();
assert(err == ESP_OK && "Failed to enable Secure Download mode");
#endif
esp_timer_init();
esp_set_time_from_rtc();
#if CONFIG_APPTRACE_ENABLE
err = esp_apptrace_init();
assert(err == ESP_OK && "Failed to init apptrace module on PRO CPU!");
#endif
#if CONFIG_SYSVIEW_ENABLE
SEGGER_SYSVIEW_Conf();
#endif
#if CONFIG_ESP_DEBUG_STUBS_ENABLE
esp_dbg_stubs_init();
#endif
err = esp_pthread_init();
assert(err == ESP_OK && "Failed to init pthread module!");
#if CONFIG_ESP32S2_MEMPROT_FEATURE
#if CONFIG_ESP32S2_MEMPROT_FEATURE_LOCK
esp_memprot_set_prot(true, true);
#else
esp_memprot_set_prot(true, false);
#endif
#endif
do_global_ctors();
#if CONFIG_ESP_INT_WDT
esp_int_wdt_init();
//Initialize the interrupt watch dog for CPU0.
esp_int_wdt_cpu_init();
#else
#if CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
assert(!soc_has_cache_lock_bug() && "ESP32 Rev 3 + Dual Core + PSRAM requires INT WDT enabled in project config!");
#endif
#endif
esp_crosscore_int_init();
#ifndef CONFIG_FREERTOS_UNICORE
esp_dport_access_int_init();
#endif
spi_flash_init();
/* init default OS-aware flash access critical section */
spi_flash_guard_set(&g_flash_guard_default_ops);
esp_flash_app_init();
esp_err_t flash_ret = esp_flash_init_default_chip();
assert(flash_ret == ESP_OK);
#if CONFIG_IDF_TARGET_ESP32
#if CONFIG_ESP32_ENABLE_COREDUMP
esp_core_dump_init();
#endif
#endif
#ifdef CONFIG_PM_ENABLE
esp_pm_impl_init();
#ifdef CONFIG_PM_DFS_INIT_AUTO
int xtal_freq = (int) rtc_clk_xtal_freq_get();
esp_pm_config_esp32_t cfg = {
.max_freq_mhz = CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ,
.min_freq_mhz = xtal_freq,
};
esp_pm_configure(&cfg);
#endif //CONFIG_PM_DFS_INIT_AUTO
#endif //CONFIG_PM_ENABLE
#if CONFIG_IDF_TARGET_ESP32
#if CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE
esp_coex_adapter_register(&g_coex_adapter_funcs);
coex_pre_init();
#endif
#endif
do_system_init_fn();
portBASE_TYPE res = xTaskCreatePinnedToCore(&main_task, "main",
ESP_TASK_MAIN_STACK, NULL,
ESP_TASK_MAIN_PRIO, NULL, 0);
assert(res == pdTRUE);
ESP_LOGI(TAG, "Starting scheduler on PRO CPU.");
vTaskStartScheduler();
abort(); /* Only get to here if not enough free heap to start scheduler */
}
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