vendors/espressif: Add support for esp32s3

tools/cmake/toolchains/xtensa-esp32s3.cmake

@@ -0,0 +1,31 @@
+include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
+
+set(CMAKE_SYSTEM_NAME Generic)
+
+# Find GCC for Xtensa-ESP32S2.
+afr_find_compiler(AFR_COMPILER_CC xtensa-esp32s3-elf-gcc)
+afr_find_compiler(AFR_COMPILER_CXX xtensa-esp32s3-elf-g++)
+
+# Specify the cross compiler.
+set(CMAKE_C_COMPILER ${AFR_COMPILER_CC} CACHE FILEPATH "C compiler")
+set(CMAKE_CXX_COMPILER ${AFR_COMPILER_CXX} CACHE FILEPATH "C++ compiler")
+set(CMAKE_ASM_COMPILER ${AFR_COMPILER_CC} CACHE FILEPATH "ASM compiler")
+
+# Disable compiler checks.
+set(CMAKE_C_COMPILER_FORCED TRUE)
+set(CMAKE_CXX_COMPILER_FORCED TRUE)
+
+# Add target system root to cmake find path.
+get_filename_component(AFR_COMPILER_DIR "${AFR_COMPILER_CC}" DIRECTORY)
+get_filename_component(CMAKE_FIND_ROOT_PATH "${AFR_COMPILER_DIR}" DIRECTORY)
+
+# Look for includes and libraries only in the target system prefix.
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+
+# Helper variables to abstracts some common compiler flags.
+set(AFR_COMPILER_NO_WARNINGS "-w" CACHE INTERNAL "")
+
+# Global compiler flags.
+set(CMAKE_C_FLAGS "-mlongcalls" CACHE STRING "C Compiler Base Flags")
+set(CMAKE_CXX_FLAGS "-mlongcalls" CACHE STRING "C++ Compiler Base Flags")

vendors/espressif/boards/components/freertos/CMakeLists.txt

@@ -2,10 +2,13 @@ set(AMAZON_FREERTOS_KERNEL_DIR "${AFR_KERNEL_DIR}")
 set(AMAZON_FREERTOS_FREERTOS_PLUS_DIR "${AFR_MODULES_FREERTOS_PLUS_DIR}")
 set(AMAZON_FREERTOS_3RDPARTY_DIR "${AFR_3RDPARTY_DIR}")
 
+string(FIND "${AFR_BOARD_NAME}" "esp32s3" SOC_NAME_ESP32S3)
 string(FIND "${AFR_BOARD_NAME}" "esp32s2" SOC_NAME_ESP32S2)
 string(FIND "${AFR_BOARD_NAME}" "esp32" SOC_NAME_ESP32)
 
-if (NOT(${SOC_NAME_ESP32S2} EQUAL -1))
+if(NOT(${SOC_NAME_ESP32S3} EQUAL -1))
+    set(SOC_NAME "esp32s3")
+elseif(NOT(${SOC_NAME_ESP32S2} EQUAL -1))
     set(SOC_NAME "esp32s2")
 elseif(NOT($SOC_NAME_ESP32) EQUAL -1)
     set(SOC_NAME "esp32")
@@ -22,27 +25,12 @@ if(AFR_ENABLE_TESTS)
     list(APPEND include_dirs
         "${AMAZON_FREERTOS_FREERTOS_PLUS_DIR}/standard/freertos_plus_posix/include"
         "${AMAZON_FREERTOS_3RDPARTY_DIR}/unity/src"
+        "${CMAKE_CURRENT_LIST_DIR}/../../${SOC_NAME}/aws_tests/config_files"
         )
-    if(SOC_NAME STREQUAL "esp32s2")
-        list(APPEND include_dirs
-            "${CMAKE_CURRENT_LIST_DIR}/../../esp32s2/aws_tests/config_files"
-            )
-    else()
-        list(APPEND include_dirs
-            "${CMAKE_CURRENT_LIST_DIR}/../../esp32/aws_tests/config_files"
-            )
-    endif()
-
 else()
-    if(SOC_NAME STREQUAL "esp32s2")
-        list(APPEND include_dirs
-            "${CMAKE_CURRENT_LIST_DIR}/../../esp32s2/aws_demos/config_files"
-            )
-    else()
-        list(APPEND include_dirs
-            "${CMAKE_CURRENT_LIST_DIR}/../../esp32/aws_demos/config_files"
-            )
-    endif()
+    list(APPEND include_dirs
+        "${CMAKE_CURRENT_LIST_DIR}/../../${SOC_NAME}/aws_demos/config_files"
+        )
 endif()
 
 # Edit following two lines to set component requirements (see docs)

vendors/espressif/boards/components/mbedtls/CMakeLists.txt

@@ -6,10 +6,13 @@ set(MBEDTLS_DIR "${AFR_VENDORS_DIR}/espressif/esp-idf/components/mbedtls")
 set(ESP_HW_SUPPORT_DIR "${AFR_VENDORS_DIR}/espressif/esp-idf/components/esp_hw_support")
 set(ESP_PM_DIR "${AFR_VENDORS_DIR}/espressif/esp-idf/components/esp_pm")
 
+string(FIND "${AFR_BOARD_NAME}" "esp32s3" SOC_NAME_ESP32S3)
 string(FIND "${AFR_BOARD_NAME}" "esp32s2" SOC_NAME_ESP32S2)
 string(FIND "${AFR_BOARD_NAME}" "esp32" SOC_NAME_ESP32)
 
-if (NOT(${SOC_NAME_ESP32S2} EQUAL -1))
+if(NOT(${SOC_NAME_ESP32S3} EQUAL -1))
+    set(SOC_NAME "esp32s3")
+elseif(NOT(${SOC_NAME_ESP32S2} EQUAL -1))
     set(SOC_NAME "esp32s2")
 elseif(NOT($SOC_NAME_ESP32) EQUAL -1)
     set(SOC_NAME "esp32")

vendors/espressif/boards/esp32s3/.gitignore

@@ -0,0 +1,2 @@
+# Ignore the build artifacts in the projects.
+*build*