cpu_start.c 19 KB

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  1. // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. #include <stdint.h>
  15. #include <string.h>
  16. #include "esp_attr.h"
  17. #include "esp_err.h"
  18. #include "esp32/rom/ets_sys.h"
  19. #include "esp32/rom/uart.h"
  20. #include "esp32/rom/rtc.h"
  21. #include "esp32/rom/cache.h"
  22. #include "soc/cpu.h"
  23. #include "soc/rtc.h"
  24. #include "soc/dport_reg.h"
  25. #include "soc/gpio_periph.h"
  26. #include "soc/timer_periph.h"
  27. #include "soc/rtc_wdt.h"
  28. #include "soc/efuse_periph.h"
  29. #include "driver/rtc_io.h"
  30. #include "freertos/FreeRTOS.h"
  31. #include "freertos/task.h"
  32. #include "freertos/semphr.h"
  33. #include "freertos/queue.h"
  34. #include "freertos/portmacro.h"
  35. #include "esp_heap_caps_init.h"
  36. #include "sdkconfig.h"
  37. #include "esp_system.h"
  38. #include "esp_spi_flash.h"
  39. #include "esp_flash_internal.h"
  40. #include "nvs_flash.h"
  41. #include "esp_event.h"
  42. #include "esp_spi_flash.h"
  43. #include "esp_private/crosscore_int.h"
  44. #include "esp_log.h"
  45. #include "esp_vfs_dev.h"
  46. #include "esp_newlib.h"
  47. #include "esp32/brownout.h"
  48. #include "esp_int_wdt.h"
  49. #include "esp_task.h"
  50. #include "esp_task_wdt.h"
  51. #include "esp_phy_init.h"
  52. #include "esp32/cache_err_int.h"
  53. #include "esp_coexist_internal.h"
  54. #include "esp_core_dump.h"
  55. #include "esp_app_trace.h"
  56. #include "esp_private/dbg_stubs.h"
  57. #include "esp_flash_encrypt.h"
  58. #include "esp32/spiram.h"
  59. #include "esp_clk_internal.h"
  60. #include "esp_timer.h"
  61. #include "esp_pm.h"
  62. #include "esp_private/pm_impl.h"
  63. #include "trax.h"
  64. #include "esp_ota_ops.h"
  65. #include "esp_efuse.h"
  66. #include "bootloader_flash_config.h"
  67. #define STRINGIFY(s) STRINGIFY2(s)
  68. #define STRINGIFY2(s) #s
  69. void start_cpu0(void) __attribute__((weak, alias("start_cpu0_default"))) __attribute__((noreturn));
  70. void start_cpu0_default(void) IRAM_ATTR __attribute__((noreturn));
  71. #if !CONFIG_FREERTOS_UNICORE
  72. static void IRAM_ATTR call_start_cpu1() __attribute__((noreturn));
  73. void start_cpu1(void) __attribute__((weak, alias("start_cpu1_default"))) __attribute__((noreturn));
  74. void start_cpu1_default(void) IRAM_ATTR __attribute__((noreturn));
  75. static bool app_cpu_started = false;
  76. #endif //!CONFIG_FREERTOS_UNICORE
  77. static void do_global_ctors(void);
  78. static void main_task(void* args);
  79. extern void app_main(void);
  80. extern esp_err_t esp_pthread_init(void);
  81. extern esp_err_t bootloader_flash_unlock(void);
  82. extern int _bss_start;
  83. extern int _bss_end;
  84. extern int _rtc_bss_start;
  85. extern int _rtc_bss_end;
  86. #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
  87. extern int _ext_ram_bss_start;
  88. extern int _ext_ram_bss_end;
  89. #endif
  90. extern int _init_start;
  91. extern void (*__init_array_start)(void);
  92. extern void (*__init_array_end)(void);
  93. extern volatile int port_xSchedulerRunning[2];
  94. static const char* TAG = "cpu_start";
  95. struct object { long placeholder[ 10 ]; };
  96. void __register_frame_info (const void *begin, struct object *ob);
  97. extern char __eh_frame[];
  98. #ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
  99. // workaround for C++ exception large memory allocation
  100. void _Unwind_SetEnableExceptionFdeSorting(unsigned char enable);
  101. #endif // CONFIG_COMPILER_CXX_EXCEPTIONS
  102. //If CONFIG_SPIRAM_IGNORE_NOTFOUND is set and external RAM is not found or errors out on testing, this is set to false.
  103. static bool s_spiram_okay=true;
  104. /*
  105. * We arrive here after the bootloader finished loading the program from flash. The hardware is mostly uninitialized,
  106. * and the app CPU is in reset. We do have a stack, so we can do the initialization in C.
  107. */
  108. void IRAM_ATTR call_start_cpu0()
  109. {
  110. #if CONFIG_FREERTOS_UNICORE
  111. RESET_REASON rst_reas[1];
  112. #else
  113. RESET_REASON rst_reas[2];
  114. #endif
  115. cpu_configure_region_protection();
  116. cpu_init_memctl();
  117. //Move exception vectors to IRAM
  118. asm volatile (\
  119. "wsr %0, vecbase\n" \
  120. ::"r"(&_init_start));
  121. rst_reas[0] = rtc_get_reset_reason(0);
  122. #if !CONFIG_FREERTOS_UNICORE
  123. rst_reas[1] = rtc_get_reset_reason(1);
  124. #endif
  125. // from panic handler we can be reset by RWDT or TG0WDT
  126. if (rst_reas[0] == RTCWDT_SYS_RESET || rst_reas[0] == TG0WDT_SYS_RESET
  127. #if !CONFIG_FREERTOS_UNICORE
  128. || rst_reas[1] == RTCWDT_SYS_RESET || rst_reas[1] == TG0WDT_SYS_RESET
  129. #endif
  130. ) {
  131. #ifndef CONFIG_BOOTLOADER_WDT_ENABLE
  132. rtc_wdt_disable();
  133. #endif
  134. }
  135. //Clear BSS. Please do not attempt to do any complex stuff (like early logging) before this.
  136. memset(&_bss_start, 0, (&_bss_end - &_bss_start) * sizeof(_bss_start));
  137. /* Unless waking from deep sleep (implying RTC memory is intact), clear RTC bss */
  138. if (rst_reas[0] != DEEPSLEEP_RESET) {
  139. memset(&_rtc_bss_start, 0, (&_rtc_bss_end - &_rtc_bss_start) * sizeof(_rtc_bss_start));
  140. }
  141. #if CONFIG_SPIRAM_BOOT_INIT
  142. esp_spiram_init_cache();
  143. if (esp_spiram_init() != ESP_OK) {
  144. #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
  145. ESP_EARLY_LOGE(TAG, "Failed to init external RAM, needed for external .bss segment");
  146. abort();
  147. #endif
  148. #if CONFIG_SPIRAM_IGNORE_NOTFOUND
  149. ESP_EARLY_LOGI(TAG, "Failed to init external RAM; continuing without it.");
  150. s_spiram_okay = false;
  151. #else
  152. ESP_EARLY_LOGE(TAG, "Failed to init external RAM!");
  153. abort();
  154. #endif
  155. }
  156. #endif
  157. ESP_EARLY_LOGI(TAG, "Pro cpu up.");
  158. if (LOG_LOCAL_LEVEL >= ESP_LOG_INFO) {
  159. const esp_app_desc_t *app_desc = esp_ota_get_app_description();
  160. ESP_EARLY_LOGI(TAG, "Application information:");
  161. #ifndef CONFIG_APP_EXCLUDE_PROJECT_NAME_VAR
  162. ESP_EARLY_LOGI(TAG, "Project name: %s", app_desc->project_name);
  163. #endif
  164. #ifndef CONFIG_APP_EXCLUDE_PROJECT_VER_VAR
  165. ESP_EARLY_LOGI(TAG, "App version: %s", app_desc->version);
  166. #endif
  167. #ifdef CONFIG_BOOTLOADER_APP_SECURE_VERSION
  168. ESP_EARLY_LOGI(TAG, "Secure version: %d", app_desc->secure_version);
  169. #endif
  170. #ifdef CONFIG_APP_COMPILE_TIME_DATE
  171. ESP_EARLY_LOGI(TAG, "Compile time: %s %s", app_desc->date, app_desc->time);
  172. #endif
  173. char buf[17];
  174. esp_ota_get_app_elf_sha256(buf, sizeof(buf));
  175. ESP_EARLY_LOGI(TAG, "ELF file SHA256: %s...", buf);
  176. ESP_EARLY_LOGI(TAG, "ESP-IDF: %s", app_desc->idf_ver);
  177. }
  178. #if !CONFIG_FREERTOS_UNICORE
  179. if (REG_GET_BIT(EFUSE_BLK0_RDATA3_REG, EFUSE_RD_CHIP_VER_DIS_APP_CPU)) {
  180. ESP_EARLY_LOGE(TAG, "Running on single core chip, but application is built with dual core support.");
  181. ESP_EARLY_LOGE(TAG, "Please enable CONFIG_FREERTOS_UNICORE option in menuconfig.");
  182. abort();
  183. }
  184. ESP_EARLY_LOGI(TAG, "Starting app cpu, entry point is %p", call_start_cpu1);
  185. //Flush and enable icache for APP CPU
  186. Cache_Flush(1);
  187. Cache_Read_Enable(1);
  188. esp_cpu_unstall(1);
  189. // Enable clock and reset APP CPU. Note that OpenOCD may have already
  190. // enabled clock and taken APP CPU out of reset. In this case don't reset
  191. // APP CPU again, as that will clear the breakpoints which may have already
  192. // been set.
  193. if (!DPORT_GET_PERI_REG_MASK(DPORT_APPCPU_CTRL_B_REG, DPORT_APPCPU_CLKGATE_EN)) {
  194. DPORT_SET_PERI_REG_MASK(DPORT_APPCPU_CTRL_B_REG, DPORT_APPCPU_CLKGATE_EN);
  195. DPORT_CLEAR_PERI_REG_MASK(DPORT_APPCPU_CTRL_C_REG, DPORT_APPCPU_RUNSTALL);
  196. DPORT_SET_PERI_REG_MASK(DPORT_APPCPU_CTRL_A_REG, DPORT_APPCPU_RESETTING);
  197. DPORT_CLEAR_PERI_REG_MASK(DPORT_APPCPU_CTRL_A_REG, DPORT_APPCPU_RESETTING);
  198. }
  199. ets_set_appcpu_boot_addr((uint32_t)call_start_cpu1);
  200. while (!app_cpu_started) {
  201. ets_delay_us(100);
  202. }
  203. #else
  204. ESP_EARLY_LOGI(TAG, "Single core mode");
  205. DPORT_CLEAR_PERI_REG_MASK(DPORT_APPCPU_CTRL_B_REG, DPORT_APPCPU_CLKGATE_EN);
  206. #endif
  207. #if CONFIG_SPIRAM_MEMTEST
  208. if (s_spiram_okay) {
  209. bool ext_ram_ok=esp_spiram_test();
  210. if (!ext_ram_ok) {
  211. ESP_EARLY_LOGE(TAG, "External RAM failed memory test!");
  212. abort();
  213. }
  214. }
  215. #endif
  216. #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
  217. memset(&_ext_ram_bss_start, 0, (&_ext_ram_bss_end - &_ext_ram_bss_start) * sizeof(_ext_ram_bss_start));
  218. #endif
  219. /* Initialize heap allocator. WARNING: This *needs* to happen *after* the app cpu has booted.
  220. If the heap allocator is initialized first, it will put free memory linked list items into
  221. memory also used by the ROM. Starting the app cpu will let its ROM initialize that memory,
  222. corrupting those linked lists. Initializing the allocator *after* the app cpu has booted
  223. works around this problem.
  224. With SPI RAM enabled, there's a second reason: half of the SPI RAM will be managed by the
  225. app CPU, and when that is not up yet, the memory will be inaccessible and heap_caps_init may
  226. fail initializing it properly. */
  227. heap_caps_init();
  228. ESP_EARLY_LOGI(TAG, "Pro cpu start user code");
  229. start_cpu0();
  230. }
  231. #if !CONFIG_FREERTOS_UNICORE
  232. static void wdt_reset_cpu1_info_enable(void)
  233. {
  234. DPORT_REG_SET_BIT(DPORT_APP_CPU_RECORD_CTRL_REG, DPORT_APP_CPU_PDEBUG_ENABLE | DPORT_APP_CPU_RECORD_ENABLE);
  235. DPORT_REG_CLR_BIT(DPORT_APP_CPU_RECORD_CTRL_REG, DPORT_APP_CPU_RECORD_ENABLE);
  236. }
  237. void IRAM_ATTR call_start_cpu1()
  238. {
  239. asm volatile (\
  240. "wsr %0, vecbase\n" \
  241. ::"r"(&_init_start));
  242. ets_set_appcpu_boot_addr(0);
  243. cpu_configure_region_protection();
  244. cpu_init_memctl();
  245. #if CONFIG_ESP_CONSOLE_UART_NONE
  246. ets_install_putc1(NULL);
  247. ets_install_putc2(NULL);
  248. #else // CONFIG_ESP_CONSOLE_UART_NONE
  249. uartAttach();
  250. ets_install_uart_printf();
  251. uart_tx_switch(CONFIG_ESP_CONSOLE_UART_NUM);
  252. #endif
  253. wdt_reset_cpu1_info_enable();
  254. ESP_EARLY_LOGI(TAG, "App cpu up.");
  255. app_cpu_started = 1;
  256. start_cpu1();
  257. }
  258. #endif //!CONFIG_FREERTOS_UNICORE
  259. static void intr_matrix_clear(void)
  260. {
  261. //Clear all the interrupt matrix register
  262. for (int i = ETS_WIFI_MAC_INTR_SOURCE; i <= ETS_CACHE_IA_INTR_SOURCE; i++) {
  263. intr_matrix_set(0, i, ETS_INVALID_INUM);
  264. #if !CONFIG_FREERTOS_UNICORE
  265. intr_matrix_set(1, i, ETS_INVALID_INUM);
  266. #endif
  267. }
  268. }
  269. void start_cpu0_default(void)
  270. {
  271. esp_err_t err;
  272. esp_setup_syscall_table();
  273. if (s_spiram_okay) {
  274. #if CONFIG_SPIRAM_BOOT_INIT && (CONFIG_SPIRAM_USE_CAPS_ALLOC || CONFIG_SPIRAM_USE_MALLOC)
  275. esp_err_t r=esp_spiram_add_to_heapalloc();
  276. if (r != ESP_OK) {
  277. ESP_EARLY_LOGE(TAG, "External RAM could not be added to heap!");
  278. abort();
  279. }
  280. #if CONFIG_SPIRAM_USE_MALLOC
  281. heap_caps_malloc_extmem_enable(CONFIG_SPIRAM_MALLOC_ALWAYSINTERNAL);
  282. #endif
  283. #endif
  284. }
  285. //Enable trace memory and immediately start trace.
  286. #if CONFIG_ESP32_TRAX
  287. #if CONFIG_ESP32_TRAX_TWOBANKS
  288. trax_enable(TRAX_ENA_PRO_APP);
  289. #else
  290. trax_enable(TRAX_ENA_PRO);
  291. #endif
  292. trax_start_trace(TRAX_DOWNCOUNT_WORDS);
  293. #endif
  294. esp_clk_init();
  295. esp_perip_clk_init();
  296. intr_matrix_clear();
  297. #ifndef CONFIG_ESP_CONSOLE_UART_NONE
  298. #ifdef CONFIG_PM_ENABLE
  299. const int uart_clk_freq = REF_CLK_FREQ;
  300. /* When DFS is enabled, use REFTICK as UART clock source */
  301. CLEAR_PERI_REG_MASK(UART_CONF0_REG(CONFIG_ESP_CONSOLE_UART_NUM), UART_TICK_REF_ALWAYS_ON);
  302. #else
  303. const int uart_clk_freq = APB_CLK_FREQ;
  304. #endif // CONFIG_PM_DFS_ENABLE
  305. uart_div_modify(CONFIG_ESP_CONSOLE_UART_NUM, (uart_clk_freq << 4) / CONFIG_ESP_CONSOLE_UART_BAUDRATE);
  306. #endif // CONFIG_ESP_CONSOLE_UART_NONE
  307. #if CONFIG_ESP32_BROWNOUT_DET
  308. esp_brownout_init();
  309. #endif
  310. #if CONFIG_ESP32_DISABLE_BASIC_ROM_CONSOLE
  311. esp_efuse_disable_basic_rom_console();
  312. #endif
  313. #if CONFIG_SECURE_DISABLE_ROM_DL_MODE
  314. esp_efuse_disable_rom_download_mode();
  315. #endif
  316. rtc_gpio_force_hold_dis_all();
  317. esp_vfs_dev_uart_register();
  318. esp_reent_init(_GLOBAL_REENT);
  319. #ifndef CONFIG_ESP_CONSOLE_UART_NONE
  320. const char* default_uart_dev = "/dev/uart/" STRINGIFY(CONFIG_ESP_CONSOLE_UART_NUM);
  321. _GLOBAL_REENT->_stdin = fopen(default_uart_dev, "r");
  322. _GLOBAL_REENT->_stdout = fopen(default_uart_dev, "w");
  323. _GLOBAL_REENT->_stderr = fopen(default_uart_dev, "w");
  324. #else
  325. _GLOBAL_REENT->_stdin = (FILE*) &__sf_fake_stdin;
  326. _GLOBAL_REENT->_stdout = (FILE*) &__sf_fake_stdout;
  327. _GLOBAL_REENT->_stderr = (FILE*) &__sf_fake_stderr;
  328. #endif
  329. // After setting _GLOBAL_REENT, ESP_LOGIx can be used instead of ESP_EARLY_LOGx.
  330. #ifdef CONFIG_SECURE_FLASH_ENC_ENABLED
  331. esp_flash_encryption_init_checks();
  332. #endif
  333. #if CONFIG_ESP32_DISABLE_BASIC_ROM_CONSOLE
  334. esp_efuse_disable_basic_rom_console();
  335. #endif
  336. esp_timer_init();
  337. esp_set_time_from_rtc();
  338. #if CONFIG_ESP32_APPTRACE_ENABLE
  339. err = esp_apptrace_init();
  340. assert(err == ESP_OK && "Failed to init apptrace module on PRO CPU!");
  341. #endif
  342. #if CONFIG_SYSVIEW_ENABLE
  343. SEGGER_SYSVIEW_Conf();
  344. #endif
  345. #if CONFIG_ESP32_DEBUG_STUBS_ENABLE
  346. esp_dbg_stubs_init();
  347. #endif
  348. err = esp_pthread_init();
  349. assert(err == ESP_OK && "Failed to init pthread module!");
  350. do_global_ctors();
  351. #ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
  352. ESP_EARLY_LOGD(TAG, "Setting C++ exception workarounds.");
  353. _Unwind_SetEnableExceptionFdeSorting(0);
  354. #endif // CONFIG_COMPILER_CXX_EXCEPTIONS
  355. #if CONFIG_ESP_INT_WDT
  356. esp_int_wdt_init();
  357. //Initialize the interrupt watch dog for CPU0.
  358. esp_int_wdt_cpu_init();
  359. #else
  360. #if CONFIG_ESP32_ECO3_CACHE_LOCK_FIX
  361. assert(!soc_has_cache_lock_bug() && "ESP32 Rev 3 + Dual Core + PSRAM requires INT WDT enabled in project config!");
  362. #endif
  363. #endif
  364. esp_cache_err_int_init();
  365. esp_crosscore_int_init();
  366. #ifndef CONFIG_FREERTOS_UNICORE
  367. esp_dport_access_int_init();
  368. #endif
  369. // Read the application binary image header. This will also decrypt the header if the image is encrypted.
  370. esp_image_header_t fhdr = {0};
  371. // This assumes that DROM is the first segment in the application binary, i.e. that we can read
  372. // the binary header through cache by accessing SOC_DROM_LOW address.
  373. memcpy(&fhdr, (void*) SOC_DROM_LOW, sizeof(fhdr));
  374. #if CONFIG_SPI_FLASH_SIZE_OVERRIDE
  375. int app_flash_size = esp_image_get_flash_size(fhdr.spi_size);
  376. if (app_flash_size < 1 * 1024 * 1024) {
  377. ESP_LOGE(TAG, "Invalid flash size in app image header.");
  378. abort();
  379. }
  380. bootloader_flash_update_size(app_flash_size);
  381. #endif //CONFIG_SPI_FLASH_SIZE_OVERRIDE
  382. spi_flash_init();
  383. /* init default OS-aware flash access critical section */
  384. spi_flash_guard_set(&g_flash_guard_default_ops);
  385. esp_flash_app_init();
  386. esp_err_t flash_ret = esp_flash_init_default_chip();
  387. assert(flash_ret == ESP_OK);
  388. #ifdef CONFIG_PM_ENABLE
  389. esp_pm_impl_init();
  390. #ifdef CONFIG_PM_DFS_INIT_AUTO
  391. int xtal_freq = (int) rtc_clk_xtal_freq_get();
  392. esp_pm_config_esp32_t cfg = {
  393. .max_freq_mhz = CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ,
  394. .min_freq_mhz = xtal_freq,
  395. };
  396. esp_pm_configure(&cfg);
  397. #endif //CONFIG_PM_DFS_INIT_AUTO
  398. #endif //CONFIG_PM_ENABLE
  399. #if CONFIG_ESP32_ENABLE_COREDUMP
  400. esp_core_dump_init();
  401. size_t core_data_sz = 0;
  402. size_t core_data_addr = 0;
  403. if (esp_core_dump_image_get(&core_data_addr, &core_data_sz) == ESP_OK && core_data_sz > 0) {
  404. ESP_LOGI(TAG, "Found core dump %d bytes in flash @ 0x%x", core_data_sz, core_data_addr);
  405. }
  406. #endif
  407. #if CONFIG_ESP32_WIFI_SW_COEXIST_ENABLE
  408. esp_coex_adapter_register(&g_coex_adapter_funcs);
  409. coex_pre_init();
  410. #endif
  411. bootloader_flash_update_id();
  412. bootloader_flash_unlock();
  413. #if !CONFIG_SPIRAM_BOOT_INIT
  414. // If psram is uninitialized, we need to improve some flash configuration.
  415. bootloader_flash_clock_config(&fhdr);
  416. bootloader_flash_gpio_config(&fhdr);
  417. bootloader_flash_dummy_config(&fhdr);
  418. bootloader_flash_cs_timing_config();
  419. #endif
  420. portBASE_TYPE res = xTaskCreatePinnedToCore(&main_task, "main",
  421. ESP_TASK_MAIN_STACK, NULL,
  422. ESP_TASK_MAIN_PRIO, NULL, 0);
  423. assert(res == pdTRUE);
  424. ESP_LOGI(TAG, "Starting scheduler on PRO CPU.");
  425. vTaskStartScheduler();
  426. abort(); /* Only get to here if not enough free heap to start scheduler */
  427. }
  428. #if !CONFIG_FREERTOS_UNICORE
  429. void start_cpu1_default(void)
  430. {
  431. // Wait for FreeRTOS initialization to finish on PRO CPU
  432. while (port_xSchedulerRunning[0] == 0) {
  433. ;
  434. }
  435. #if CONFIG_ESP32_TRAX_TWOBANKS
  436. trax_start_trace(TRAX_DOWNCOUNT_WORDS);
  437. #endif
  438. #if CONFIG_ESP32_APPTRACE_ENABLE
  439. esp_err_t err = esp_apptrace_init();
  440. assert(err == ESP_OK && "Failed to init apptrace module on APP CPU!");
  441. #endif
  442. #if CONFIG_ESP_INT_WDT
  443. //Initialize the interrupt watch dog for CPU1.
  444. esp_int_wdt_cpu_init();
  445. #endif
  446. //Take care putting stuff here: if asked, FreeRTOS will happily tell you the scheduler
  447. //has started, but it isn't active *on this CPU* yet.
  448. esp_cache_err_int_init();
  449. esp_crosscore_int_init();
  450. esp_dport_access_int_init();
  451. ESP_EARLY_LOGI(TAG, "Starting scheduler on APP CPU.");
  452. xPortStartScheduler();
  453. abort(); /* Only get to here if FreeRTOS somehow very broken */
  454. }
  455. #endif //!CONFIG_FREERTOS_UNICORE
  456. #ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
  457. size_t __cxx_eh_arena_size_get()
  458. {
  459. return CONFIG_COMPILER_CXX_EXCEPTIONS_EMG_POOL_SIZE;
  460. }
  461. #endif
  462. static void do_global_ctors(void)
  463. {
  464. #ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
  465. static struct object ob;
  466. __register_frame_info( __eh_frame, &ob );
  467. #endif
  468. void (**p)(void);
  469. for (p = &__init_array_end - 1; p >= &__init_array_start; --p) {
  470. (*p)();
  471. }
  472. }
  473. static void main_task(void* args)
  474. {
  475. #if !CONFIG_FREERTOS_UNICORE
  476. // Wait for FreeRTOS initialization to finish on APP CPU, before replacing its startup stack
  477. while (port_xSchedulerRunning[1] == 0) {
  478. ;
  479. }
  480. #endif
  481. //Enable allocation in region where the startup stacks were located.
  482. heap_caps_enable_nonos_stack_heaps();
  483. // Now we have startup stack RAM available for heap, enable any DMA pool memory
  484. #if CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL
  485. esp_err_t r = esp_spiram_reserve_dma_pool(CONFIG_SPIRAM_MALLOC_RESERVE_INTERNAL);
  486. if (r != ESP_OK) {
  487. ESP_EARLY_LOGE(TAG, "Could not reserve internal/DMA pool (error 0x%x)", r);
  488. abort();
  489. }
  490. #endif
  491. //Initialize task wdt if configured to do so
  492. #ifdef CONFIG_ESP_TASK_WDT_PANIC
  493. ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, true));
  494. #elif CONFIG_ESP_TASK_WDT
  495. ESP_ERROR_CHECK(esp_task_wdt_init(CONFIG_ESP_TASK_WDT_TIMEOUT_S, false));
  496. #endif
  497. //Add IDLE 0 to task wdt
  498. #ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0
  499. TaskHandle_t idle_0 = xTaskGetIdleTaskHandleForCPU(0);
  500. if(idle_0 != NULL){
  501. ESP_ERROR_CHECK(esp_task_wdt_add(idle_0));
  502. }
  503. #endif
  504. //Add IDLE 1 to task wdt
  505. #ifdef CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1
  506. TaskHandle_t idle_1 = xTaskGetIdleTaskHandleForCPU(1);
  507. if(idle_1 != NULL){
  508. ESP_ERROR_CHECK(esp_task_wdt_add(idle_1));
  509. }
  510. #endif
  511. // Now that the application is about to start, disable boot watchdog
  512. #ifndef CONFIG_BOOTLOADER_WDT_DISABLE_IN_USER_CODE
  513. rtc_wdt_disable();
  514. #endif
  515. #ifdef CONFIG_BOOTLOADER_EFUSE_SECURE_VERSION_EMULATE
  516. const esp_partition_t *efuse_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_EFUSE_EM, NULL);
  517. if (efuse_partition) {
  518. esp_efuse_init(efuse_partition->address, efuse_partition->size);
  519. }
  520. #endif
  521. app_main();
  522. vTaskDelete(NULL);
  523. }