esp-idf/components/esp_system/port/esp_system_chip.c

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/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdint.h>
#include "esp_cpu.h"
#include "soc/soc.h"
#include "soc/soc_caps.h"
#include "esp_private/rtc_clk.h"
#include "esp_private/panic_internal.h"
#include "esp_private/system_internal.h"
#include "esp_private/mspi_timing_tuning.h"
#include "esp_heap_caps.h"
#include "esp_rom_uart.h"
#include "esp_rom_sys.h"
#include "sdkconfig.h"
// used only by ESP32 panic handler
#ifdef CONFIG_IDF_TARGET_ESP32
void IRAM_ATTR esp_restart_noos_dig(void)
{
// In case any of the calls below results in re-enabling of interrupts
// (for example, by entering a critical section), disable all the
// interrupts (e.g. from watchdogs) here.
#ifdef CONFIG_IDF_TARGET_ARCH_RISCV
rv_utils_intr_global_disable();
#else
xt_ints_off(0xFFFFFFFF);
#endif
// make sure all the panic handler output is sent from UART FIFO
if (CONFIG_ESP_CONSOLE_UART_NUM >= 0) {
esp_rom_uart_tx_wait_idle(CONFIG_ESP_CONSOLE_UART_NUM);
}
#if !CONFIG_APP_BUILD_TYPE_PURE_RAM_APP
/**
* Turn down MSPI speed
*
* We set MSPI clock to a high speed one before, ROM doesn't have such high speed clock source option.
* This function will change clock source to a ROM supported one when system restarts.
*/
mspi_timing_change_speed_mode_cache_safe(true);
#endif //#if !CONFIG_APP_BUILD_TYPE_PURE_RAM_APP
// switch to XTAL (otherwise we will keep running from the PLL)
rtc_clk_cpu_set_to_default_config();
// esp_restart_noos_dig() will generates a core reset, which does not reset the
// registers of the RTC domain, so the CPU's stall state remains after the reset,
// we need to release them here
#if !CONFIG_FREERTOS_UNICORE
// unstall all other cores
int core_id = esp_cpu_get_core_id();
for (uint32_t i = 0; i < SOC_CPU_CORES_NUM; i++) {
if (i != core_id) {
esp_cpu_unstall(i);
}
}
#endif
// generate core reset
esp_rom_software_reset_system();
while (true) {
;
}
}
#endif
uint32_t esp_get_free_heap_size( void )
{
return heap_caps_get_free_size( MALLOC_CAP_DEFAULT );
}
uint32_t esp_get_free_internal_heap_size( void )
{
return heap_caps_get_free_size( MALLOC_CAP_8BIT | MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL );
}
uint32_t esp_get_minimum_free_heap_size( void )
{
return heap_caps_get_minimum_free_size( MALLOC_CAP_DEFAULT );
}
const char *esp_get_idf_version(void)
{
return IDF_VER;
}
void __attribute__((noreturn)) esp_system_abort(const char *details)
{
panic_abort(details);
}