kopia lustrzana https://github.com/espressif/esp-idf
420 wiersze
13 KiB
C
420 wiersze
13 KiB
C
// 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 "sdkconfig.h"
|
|
#include "esp_attr.h"
|
|
#include "esp_err.h"
|
|
|
|
#include "esp32s2/rom/ets_sys.h"
|
|
#include "esp32s2/rom/uart.h"
|
|
#include "esp32s2/rom/rtc.h"
|
|
#include "esp32s2/rom/cache.h"
|
|
#include "esp32s2/dport_access.h"
|
|
#include "esp32s2/brownout.h"
|
|
#include "esp32s2/cache_err_int.h"
|
|
#include "esp32s2/spiram.h"
|
|
|
|
#include "soc/cpu.h"
|
|
#include "soc/rtc.h"
|
|
#include "soc/dport_reg.h"
|
|
#include "soc/io_mux_reg.h"
|
|
#include "soc/rtc_cntl_reg.h"
|
|
#include "soc/timer_group_reg.h"
|
|
#include "soc/periph_defs.h"
|
|
#include "hal/wdt_hal.h"
|
|
#include "driver/rtc_io.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_spi_flash.h"
|
|
#include "esp_flash_internal.h"
|
|
#include "nvs_flash.h"
|
|
#include "esp_event.h"
|
|
#include "esp_spi_flash.h"
|
|
#include "esp_ipc.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_debug_helpers.h"
|
|
#include "esp_core_dump.h"
|
|
#include "esp_app_trace.h"
|
|
#include "esp_private/dbg_stubs.h"
|
|
#include "esp_clk_internal.h"
|
|
#include "esp_timer.h"
|
|
#include "esp_pm.h"
|
|
#include "esp_private/pm_impl.h"
|
|
#include "trax.h"
|
|
#include "esp_ota_ops.h"
|
|
#include "esp_efuse.h"
|
|
#include "bootloader_mem.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));
|
|
|
|
static void do_global_ctors(void);
|
|
static void main_task(void *args);
|
|
extern void app_main(void);
|
|
extern esp_err_t esp_pthread_init(void);
|
|
|
|
extern int _bss_start;
|
|
extern int _bss_end;
|
|
extern int _rtc_bss_start;
|
|
extern int _rtc_bss_end;
|
|
extern int _init_start;
|
|
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[];
|
|
|
|
//If CONFIG_SPIRAM_IGNORE_NOTFOUND is set and external RAM is not found or errors out on testing, this is set to false.
|
|
static bool s_spiram_okay = true;
|
|
|
|
/*
|
|
* 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 call_start_cpu0(void)
|
|
{
|
|
RESET_REASON rst_reas;
|
|
|
|
bootloader_init_mem();
|
|
|
|
// Move exception vectors to IRAM
|
|
cpu_hal_set_vecbase(&_init_start);
|
|
|
|
rst_reas = rtc_get_reset_reason(0);
|
|
|
|
// from panic handler we can be reset by RWDT or TG0WDT
|
|
if (rst_reas == RTCWDT_SYS_RESET || rst_reas == TG0WDT_SYS_RESET) {
|
|
#ifndef CONFIG_BOOTLOADER_WDT_ENABLE
|
|
wdt_hal_context_t rtc_wdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &RTCCNTL};
|
|
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
|
|
wdt_hal_disable(&rtc_wdt_ctx);
|
|
wdt_hal_write_protect_enable(&rtc_wdt_ctx);
|
|
#endif
|
|
}
|
|
|
|
//Clear BSS. Please do not attempt to do any complex stuff (like early logging) before this.
|
|
memset(&_bss_start, 0, (&_bss_end - &_bss_start) * sizeof(_bss_start));
|
|
|
|
/* Unless waking from deep sleep (implying RTC memory is intact), clear RTC bss */
|
|
if (rst_reas != DEEPSLEEP_RESET) {
|
|
memset(&_rtc_bss_start, 0, (&_rtc_bss_end - &_rtc_bss_start) * sizeof(_rtc_bss_start));
|
|
}
|
|
|
|
/* Configure the mode of instruction cache : cache size, cache associated ways, cache line size. */
|
|
extern void esp_config_instruction_cache_mode(void);
|
|
esp_config_instruction_cache_mode();
|
|
|
|
/* If we need use SPIRAM, we should use data cache, or if we want to access rodata, we also should use data cache.
|
|
Configure the mode of data : cache size, cache associated ways, cache line size.
|
|
Enable data cache, so if we don't use SPIRAM, it just works. */
|
|
#if CONFIG_SPIRAM_BOOT_INIT
|
|
extern void esp_config_data_cache_mode(void);
|
|
esp_config_data_cache_mode();
|
|
Cache_Enable_DCache(0);
|
|
#endif
|
|
|
|
/* In SPIRAM code, we will reconfigure data cache, as well as instruction cache, so that we can:
|
|
1. make data buses works with SPIRAM
|
|
2. make instruction and rodata work with SPIRAM, still through instruction cache */
|
|
#if CONFIG_SPIRAM_BOOT_INIT
|
|
if (esp_spiram_init() != ESP_OK) {
|
|
#if CONFIG_SPIRAM_IGNORE_NOTFOUND
|
|
ESP_EARLY_LOGI(TAG, "Failed to init external RAM; continuing without it.");
|
|
s_spiram_okay = false;
|
|
#else
|
|
ESP_EARLY_LOGE(TAG, "Failed to init external RAM!");
|
|
abort();
|
|
#endif
|
|
}
|
|
esp_spiram_init_cache();
|
|
#endif
|
|
|
|
ESP_EARLY_LOGI(TAG, "Pro cpu up.");
|
|
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);
|
|
}
|
|
ESP_EARLY_LOGI(TAG, "Single core mode");
|
|
|
|
#if CONFIG_SPIRAM_MEMTEST
|
|
if (s_spiram_okay) {
|
|
bool ext_ram_ok = esp_spiram_test();
|
|
if (!ext_ram_ok) {
|
|
ESP_EARLY_LOGE(TAG, "External RAM failed memory test!");
|
|
abort();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if CONFIG_SPIRAM_FETCH_INSTRUCTIONS
|
|
extern void esp_spiram_enable_instruction_access(void);
|
|
esp_spiram_enable_instruction_access();
|
|
#endif
|
|
#if CONFIG_SPIRAM_RODATA
|
|
extern void esp_spiram_enable_rodata_access(void);
|
|
esp_spiram_enable_rodata_access();
|
|
#endif
|
|
|
|
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_WRAP || CONFIG_ESP32S2_DATA_CACHE_WRAP
|
|
uint32_t icache_wrap_enable = 0, dcache_wrap_enable = 0;
|
|
#if CONFIG_ESP32S2_INSTRUCTION_CACHE_WRAP
|
|
icache_wrap_enable = 1;
|
|
#endif
|
|
#if CONFIG_ESP32S2_DATA_CACHE_WRAP
|
|
dcache_wrap_enable = 1;
|
|
#endif
|
|
extern void esp_enable_cache_wrap(uint32_t icache_wrap_enable, uint32_t dcache_wrap_enable);
|
|
esp_enable_cache_wrap(icache_wrap_enable, dcache_wrap_enable);
|
|
#endif
|
|
|
|
/* Initialize heap allocator */
|
|
heap_caps_init();
|
|
|
|
ESP_EARLY_LOGI(TAG, "Pro cpu start user code");
|
|
start_cpu0();
|
|
}
|
|
|
|
static void intr_matrix_clear(void)
|
|
{
|
|
//Clear all the interrupt matrix register
|
|
for (int i = ETS_WIFI_MAC_INTR_SOURCE; i < ETS_MAX_INTR_SOURCE; i++) {
|
|
intr_matrix_set(0, i, ETS_INVALID_INUM);
|
|
}
|
|
}
|
|
|
|
void start_cpu0_default(void)
|
|
{
|
|
esp_err_t err;
|
|
esp_setup_syscall_table();
|
|
|
|
if (s_spiram_okay) {
|
|
#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_MALLOC_RESERVE_INTERNAL
|
|
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!");
|
|
abort();
|
|
}
|
|
#endif
|
|
#if CONFIG_SPIRAM_USE_MALLOC
|
|
heap_caps_malloc_extmem_enable(CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL);
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
//Enable trace memory and immediately start trace.
|
|
#if CONFIG_ESP32S2_TRAX
|
|
trax_enable(TRAX_ENA_PRO);
|
|
trax_start_trace(TRAX_DOWNCOUNT_WORDS);
|
|
#endif
|
|
esp_clk_init();
|
|
esp_perip_clk_init();
|
|
intr_matrix_clear();
|
|
|
|
#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
|
|
|
|
#if CONFIG_ESP32S2_BROWNOUT_DET
|
|
esp_brownout_init();
|
|
#endif
|
|
#if CONFIG_ESP32S2_DISABLE_BASIC_ROM_CONSOLE
|
|
esp_efuse_disable_basic_rom_console();
|
|
#endif
|
|
rtc_gpio_force_hold_dis_all();
|
|
|
|
#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)
|
|
|
|
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_ESP32S2_DEBUG_STUBS_ENABLE
|
|
esp_dbg_stubs_init();
|
|
#endif
|
|
err = esp_pthread_init();
|
|
assert(err == ESP_OK && "Failed to init pthread module!");
|
|
|
|
do_global_ctors();
|
|
#if CONFIG_ESP_INT_WDT
|
|
esp_int_wdt_init();
|
|
//Initialize the interrupt watch dog
|
|
esp_int_wdt_cpu_init();
|
|
#endif
|
|
esp_cache_err_int_init();
|
|
esp_crosscore_int_init();
|
|
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);
|
|
|
|
#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_esp32s2_t cfg = {
|
|
.max_freq_mhz = CONFIG_ESP32S2_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_ESP32_ENABLE_COREDUMP
|
|
esp_core_dump_init();
|
|
#endif
|
|
|
|
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 */
|
|
}
|
|
|
|
#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
|
|
size_t __cxx_eh_arena_size_get(void)
|
|
{
|
|
return CONFIG_COMPILER_CXX_EXCEPTIONS_EMG_POOL_SIZE;
|
|
}
|
|
#endif
|
|
|
|
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 main_task(void *args)
|
|
{
|
|
//Enable allocation in region where the startup stacks were located.
|
|
heap_caps_enable_nonos_stack_heaps();
|
|
|
|
//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
|
|
|
|
// Now that the application is about to start, disable boot watchdog
|
|
#ifndef CONFIG_BOOTLOADER_WDT_DISABLE_IN_USER_CODE
|
|
wdt_hal_context_t rtc_wdt_ctx = {.inst = WDT_RWDT, .rwdt_dev = &RTCCNTL};
|
|
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
|
|
wdt_hal_disable(&rtc_wdt_ctx);
|
|
wdt_hal_write_protect_enable(&rtc_wdt_ctx);
|
|
#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);
|
|
}
|
|
|