refactor(pthread): decouple pthread_init from esp_system

components/esp_system/CMakeLists.txt

@@ -69,7 +69,7 @@ else()
                                     # link-time registration is used.
                                     # [refactor-todo] esp_partition required for virtual efuse
                                     # init code. Move to esp_efuse component.
-                                    pthread bootloader_support efuse esp_partition esp_pm
+                                    bootloader_support efuse esp_partition esp_pm
                         LDFRAGMENTS "linker.lf" "app.lf")
     add_subdirectory(port)
 

components/esp_system/startup_funcs.c

@@ -46,7 +46,6 @@
 #include "esp_private/pm_impl.h"
 #endif
 
-#include "esp_pthread.h"
 #include "esp_private/esp_clk.h"
 #include "esp_private/spi_flash_os.h"
 #include "esp_private/brownout.h"
@@ -157,11 +156,6 @@ ESP_SYSTEM_INIT_FN(init_newlib_time, CORE, BIT(0), 105)
     return ESP_OK;
 }
 
-ESP_SYSTEM_INIT_FN(init_pthread, CORE, BIT(0), 120)
-{
-    return esp_pthread_init();
-}
-
 #if !CONFIG_APP_BUILD_TYPE_PURE_RAM_APP
 ESP_SYSTEM_INIT_FN(init_flash, CORE, BIT(0), 130)
 {

components/esp_system/system_init_fn.txt

@@ -50,7 +50,7 @@ CORE: 112: init_vfs_usj_sec in components/esp_driver_usb_serial_jtag/src/usb_ser
 CORE: 114: init_vfs_console in components/vfs/vfs_console.c on BIT(0)
 CORE: 115: init_newlib_stdio in components/newlib/newlib_init.c on BIT(0)
 
-CORE: 120: init_pthread in components/esp_system/startup_funcs.c on BIT(0)
+CORE: 120: init_pthread in components/pthread/pthread.c on BIT(0)
 CORE: 130: init_flash in components/esp_system/startup_funcs.c on BIT(0)
 CORE: 140: init_virtual_efuse in components/esp_system/startup_funcs.c on BIT(0)
 CORE: 150: init_secure in components/esp_system/startup_funcs.c on BIT(0)

components/pthread/pthread.c

@@ -15,6 +15,7 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "freertos/semphr.h"
+#include "esp_private/startup_internal.h"
 #if CONFIG_SPIRAM
 #include "esp_private/freertos_idf_additions_priv.h"
 #endif
@@ -71,6 +72,11 @@ static void esp_pthread_cfg_key_destructor(void *value)
     free(value);
 }
 
+ESP_SYSTEM_INIT_FN(init_pthread, CORE, BIT(0), 120)
+{
+    return esp_pthread_init();
+}
+
 esp_err_t esp_pthread_init(void)
 {
     if (pthread_key_create(&s_pthread_cfg_key, esp_pthread_cfg_key_destructor) != 0) {

tools/test_apps/system/g1_components/CMakeLists.txt

@@ -62,8 +62,7 @@ set(extra_components_which_shouldnt_be_included
     # esp_partition is a new component for separated IDF partition APIs. Added due to its involvement in the spi_flash
     #   code. To be possibly removed (?)
     esp_partition
-    # pthread is required by esp_system (for initialization only, can be made a weak dependency)
+    # pthread is required by cxx. See [refactor-todo] about cxx, can it work without pthread?
-    #   and cxx. See also [refactor-todo] about cxx, can it work without pthread?
     pthread
 )