feat(log): Refactoring buffer log APIs

components/log/CMakeLists.txt

@@ -1,22 +1,27 @@
 idf_build_get_property(target IDF_TARGET)
-set(srcs "log.c" "log_buffers.c")
+
+set(srcs "")
 set(priv_requires "")
-if(${target} STREQUAL "linux")
-    list(APPEND srcs "log_linux.c")
+
+if(BOOTLOADER_BUILD)
+    list(APPEND srcs "log_noos.c")
 else()
-    list(APPEND priv_requires soc hal esp_hw_support)
+    list(APPEND srcs "log.c")
+
+    if(${target} STREQUAL "linux")
+        list(APPEND srcs "log_linux.c")
+    else()
+        list(APPEND srcs "log_freertos.c")
+        list(APPEND priv_requires soc hal esp_hw_support)
+    endif()
+
+    # Buffer APIs call ESP_LOG_LEVEL -> esp_log_write, which can not used in bootloader.
+    list(APPEND srcs "src/buffer/log_buffers.c"
+                     "src/util.c")
 endif()
 
 idf_component_register(SRCS ${srcs}
                     INCLUDE_DIRS "include"
+                    PRIV_INCLUDE_DIRS "include/esp_private"
                     LDFRAGMENTS linker.lf
                     PRIV_REQUIRES ${priv_requires})
-
-if(NOT ${target} STREQUAL "linux")
-    # Ideally, FreeRTOS shouldn't be included into bootloader build, so the 2nd check should be unnecessary
-    if(freertos IN_LIST BUILD_COMPONENTS AND NOT BOOTLOADER_BUILD)
-        target_sources(${COMPONENT_TARGET} PRIVATE log_freertos.c)
-    else()
-        target_sources(${COMPONENT_TARGET} PRIVATE log_noos.c)
-    endif()
-endif()