build_system: Refactor that add toolchain option supported. [1/2]
PD#SWPL-68240
Problem:
Refactor that add toolchain option supported.
Solution:
Refactor that add toolchain option supported.
Verify:
N/A
Change-Id: Ib7fa63bb12fc2c966a0d4ba8693c295a45efb3b1
Signed-off-by: xiaohu.huang <xiaohu.huang@amlogic.com>
diff --git a/cmake/toolchains/riscv_compiler.cmake b/cmake/toolchains/riscv_compiler.cmake
new file mode 100755
index 0000000..7abeb77
--- /dev/null
+++ b/cmake/toolchains/riscv_compiler.cmake
@@ -0,0 +1,36 @@
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+
+# SPDX-License-Identifier: MIT
+
+include("${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake")
+
+set(CMAKE_SYSTEM_NAME Generic)
+
+# Find GCC for RISCV.
+aml_find_compiler(COMPILER_CC riscv-none-embed-gcc)
+aml_find_compiler(COMPILER_CXX riscv-none-embed-g++)
+set(COMPILER_ASM "${COMPILER_CC}" CACHE INTERNAL "")
+aml_find_compiler(COMPILER_OBJCOPY riscv-none-embed-objcopy)
+aml_find_compiler(COMPILER_OBJDUMP riscv-none-embed-objdump)
+
+# Specify the cross compiler.
+set(CMAKE_C_COMPILER ${COMPILER_CC} CACHE FILEPATH "C compiler")
+set(CMAKE_CXX_COMPILER ${COMPILER_CXX} CACHE FILEPATH "C++ compiler")
+set(CMAKE_ASM_COMPILER ${COMPILER_ASM} CACHE FILEPATH "ASM compiler")
+#set(CMAKE_C_LINK_EXECUTABLE ${COMPILER_LD} CACHE FILEPATH "LD linker")
+set(CMAKE_OBJCOPY_COMPILER ${COMPILER_OBJCOPY} CACHE FILEPATH "objcopy compiler")
+set(CMAKE_OBJDUMP_COMPILER ${COMPILER_OBJDUMP} CACHE FILEPATH "objdump compiler")
+# Disable compiler checks.
+set(CMAKE_C_COMPILER_FORCED TRUE)
+set(CMAKE_CXX_COMPILER_FORCED TRUE)
+
+# Add target system root to cmake find path.
+get_filename_component(COMPILER_DIR "${COMPILER_CC}" DIRECTORY)
+get_filename_component(CMAKE_FIND_ROOT_PATH "${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(COMPILER_NO_WARNINGS "-w" CACHE INTERNAL "")