add CMake build tool

Signed-off-by: surenyi <surenyi82@qq.com>

.gitignore

@@ -0,0 +1,2 @@
+*.obj
+build

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.13)
+
+# set a default build type if none was specified
+set(default_build_type "Release")
+
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+	message(STATUS "Defaulting build type to '${default_build_type}' since not specified.")
+	set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build, options are: 'Debug', 'Release', 'MinSizeRel', 'RelWithDebInfo'." FORCE)
+    # Set the possible values of build type for cmake-gui
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+if (CMAKE_BUILD_TYPE STREQUAL "Default")
+    error("Default build type is NOT supported")
+endif()
+
+# add cmake to module path
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/cmake)
+
+if (NOT DEFINED CMAKE_TOOLCHAIN_FILE)
+	set(CMAKE_TOOLCHAIN_FILE ${CMAKE_CURRENT_LIST_DIR}/cmake/c6400-toolchain.cmake)
+endif()
+
+message("${CMAKE_TOOLCHAIN_FILE}")
+
+project(csl_sdk C ASM)
+
+set(CMAKE_EXECUTABLE_SUFFIX .elf)
+set(CMAKE_STATIC_LIBRARY_SUFFIX .lib)
+set(CMAKE_STATIC_LIBRARY_PREFIX "")
+
+set(CMAKE_C_STANDARD 11)
+
+file(GLOB csl_sdk_srcs src/*.c)
+
+add_library(csl6416 STATIC ${csl_sdk_srcs})
+
+target_include_directories(csl6416 PUBLIC
+	${CMAKE_CURRENT_LIST_DIR}/include/csl)

cmake/c6400-toolchain.cmake

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+function(c6x_find_compiler compiler_path compiler_exe)
+    # Search user provided path first.
+    find_program(
+            ${compiler_path} ${compiler_exe}
+			PATHS "d:/ti/ccsv5/tools/compiler/c6000_7.4.4" "d:/ti/ccsv5/tools/compiler/c6000_7.4.1" "c:/ti/ccsv5/tools/compiler/c6000_7.4.4" "c:/ti/ccsv5/tools/compiler/c6000_7.4.1"
+            PATH_SUFFIXES bin
+            NO_DEFAULT_PATH
+    )
+
+    # If not then search system paths.
+    if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
+		if (DEFINED ENV{C6X_TOOLCHAIN_PATH})
+            message(WARNING "C6X_TOOLCHAIN_PATH specified ($ENV{C6X_TOOLCHAIN_PATH}), but ${compiler_exe} not found there")
+        endif()
+        find_program(${compiler_path} ${compiler_exe})
+    endif ()
+    if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
+        set(C6X_TOOLCHAIN_PATH "" CACHE PATH "Path to search for compiler.")
+        message(FATAL_ERROR "Compiler '${compiler_exe}' not found, you can specify search path with\
+            \"C6X_TOOLCHAIN_PATH\".")
+    endif ()
+endfunction()
+
+set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_PROCESSOR c6416)
+
+c6x_find_compiler(C6X_COMPILER_CC cl6x.exe) 
+
+# Specify the cross compiler.
+set(CMAKE_C_COMPILER ${C6X_COMPILER_CC} CACHE FILEPATH "C compiler")
+set(CMAKE_CXX_COMPILER ${C6X_COMPILER_CC} CACHE FILEPATH "C++ compiler")
+set(CMAKE_C_OUTPUT_EXTENSION .o)
+
+# todo should we be including CMakeASMInformation anyway - i guess that is host side
+set(CMAKE_ASM_COMPILER ${C6X_COMPILER_CC} CACHE FILEPATH "ASM compiler")
+
+# Look for includes and libraries only in the target system prefix.
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+
+# on DSP flags
+set(C6X_COMMON_FLAGS "--define=CHIP_6416 --define=c6416 --relaxed_ansi")
+foreach(LANG IN ITEMS C CXX ASM)
+	set(CMAKE_${LANG}_FLAGS_INIT "${C6X_COMMON_FLAGS}")
+	
+	if (CSL_DEOPTIMIZED_DEBUG)
+        set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
+    else()
+        set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
+    endif()
+
+    set(CMAKE_${LANG}_LINK_FLAGS "--rom_model")
+endforeach()
+