From c926f7515e26b1b0999bfea66a3f67cbf9d3e755 Mon Sep 17 00:00:00 2001
From: suda-morris <362953310@qq.com>
Date: Wed, 3 Apr 2019 19:43:37 +0800
Subject: [PATCH] add toolchain setting for esp32s2

---
 Kconfig                                 | 3 ++-
 tools/cmake/toolchain-esp32s2beta.cmake | 9 +++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 tools/cmake/toolchain-esp32s2beta.cmake

diff --git a/Kconfig b/Kconfig
index ef9173b06..4b6ec216f 100644
--- a/Kconfig
+++ b/Kconfig
@@ -40,7 +40,8 @@ mainmenu "Espressif IoT Development Framework Configuration"
     menu "SDK tool configuration"
         config SDK_TOOLPREFIX
             string "Compiler toolchain path/prefix"
-            default "xtensa-esp32-elf-"
+            default "xtensa-esp32-elf-" if IDF_TARGET_ESP32
+            default "xtensa-lx7-elf-" if IDF_TARGET_ESP32S2BETA
             help
                 The prefix/path that is used to call the toolchain. The default setting assumes
                 a crosstool-ng gcc setup that is in your PATH.
diff --git a/tools/cmake/toolchain-esp32s2beta.cmake b/tools/cmake/toolchain-esp32s2beta.cmake
new file mode 100644
index 000000000..32a62cc86
--- /dev/null
+++ b/tools/cmake/toolchain-esp32s2beta.cmake
@@ -0,0 +1,9 @@
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(CMAKE_C_COMPILER xtensa-lx7-elf-gcc)
+set(CMAKE_CXX_COMPILER xtensa-lx7-elf-g++)
+set(CMAKE_ASM_COMPILER xtensa-lx7-elf-gcc)
+
+set(CMAKE_EXE_LINKER_FLAGS "-nostdlib" CACHE STRING "Linker Base Flags")
+set(CMAKE_C_FLAGS "-mlongcalls" CACHE STRING "C Compiler Base Flags")
+set(CMAKE_CXX_FLAGS "-mlongcalls" CACHE STRING "C++ Compiler Base Flags")