From 2ec8a549eaa35834b60a5c66e929abddf72ff932 Mon Sep 17 00:00:00 2001
From: Yilin Sun <imi415@imi.moe>
Date: Tue, 27 Feb 2024 20:39:13 +0800
Subject: [PATCH] Initial commit.

Signed-off-by: Yilin Sun <imi415@imi.moe>
---
 .gitmodules         |   3 ++
 CMakeLists.txt      | 103 ++++++++++++++++++++++++++++++++++++++++++++
 SDK/fsp             |   1 +
 arm-none-eabi.cmake |  17 ++++++++
 src/main.c          |   4 ++
 5 files changed, 128 insertions(+)
 create mode 100644 .gitmodules
 create mode 100644 CMakeLists.txt
 create mode 160000 SDK/fsp
 create mode 100644 arm-none-eabi.cmake
 create mode 100644 src/main.c

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..76d460f
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "SDK/fsp"]
+	path = SDK/fsp
+	url = https://github.com/renesas/fsp.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..e175a4e
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,103 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(mpyate_template)
+
+enable_language(CXX)
+enable_language(ASM)
+
+# Different linker scripts
+set(TARGET_LDSCRIPT_FLASH "${CMAKE_SOURCE_DIR}/app_flash.ld")
+set(TARGET_LDSCRIPT_RAM   "${CMAKE_SOURCE_DIR}/app_ram.ld")
+
+set(TARGET_SOURCES
+    "src/main.c"
+)
+
+set(TARGET_C_DEFINES
+)
+
+set(TARGET_C_INCLUDES
+    "include"
+)
+
+# Shared libraries linked with application
+set(TARGET_LIBS
+    "c"
+    "m"
+    "nosys"
+)
+
+# Shared library and linker script search paths
+set(TARGET_LIB_DIRECTORIES
+)
+
+# Conditional flags
+# DEBUG
+set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG -O0 -g")
+set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG -O0 -g")
+set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG -O0 -g")
+
+# RELEASE
+set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O2 -flto")
+set(CMAKE_CXX_FLAGS_RELEASE      "-DNDEBUG -O2 -flto")
+set(CMAKE_ASM_FLAGS_RELEASE      "-DNDEBUG -O2 -flto")
+set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-flto")
+
+# Final compiler flags
+set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
+set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
+set(CMAKE_ASM_FLAGS        "${CMAKE_C_FLAGS} -x assembler-with-cpp")
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
+
+# Shared sources, includes and definitions
+add_compile_definitions(${TARGET_C_DEFINES})
+include_directories(${TARGET_C_INCLUDES})
+link_directories(${TARGET_LIB_DIRECTORIES})
+link_libraries(${TARGET_LIBS})
+
+# Main targets are added here
+
+# Create ELF
+add_executable("${CMAKE_PROJECT_NAME}_FLASH.elf" ${TARGET_SOURCES})
+target_compile_definitions("${CMAKE_PROJECT_NAME}_FLASH.elf"
+    PRIVATE ${TARGET_C_DEFINES_XIP}
+    )
+target_link_options("${CMAKE_PROJECT_NAME}_FLASH.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_FLASH}"
+    PRIVATE "-Wl,--Map=${CMAKE_PROJECT_NAME}_FLASH.map"
+    )
+set_property(TARGET "${CMAKE_PROJECT_NAME}_FLASH.elf" APPEND
+    PROPERTY ADDITIONAL_CLEAN_FILES "${CMAKE_PROJECT_NAME}_FLASH.map"
+    )
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_FLASH.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_FLASH.elf" "${CMAKE_PROJECT_NAME}_FLASH.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.elf"
+    )
+add_custom_target("${CMAKE_PROJECT_NAME}_FLASH_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.hex")
+if(DEFINED TARGET_TOOLCHAIN_SIZE)
+    add_custom_command(TARGET "${CMAKE_PROJECT_NAME}_FLASH.elf" POST_BUILD
+        COMMAND ${TARGET_TOOLCHAIN_SIZE} "${CMAKE_PROJECT_NAME}_FLASH.elf"
+        )
+endif()
+
+
+# Create ELF
+add_executable("${CMAKE_PROJECT_NAME}_RAM.elf" ${TARGET_SOURCES})
+target_link_options("${CMAKE_PROJECT_NAME}_RAM.elf"
+    PRIVATE "-T${TARGET_LDSCRIPT_RAM}"
+    PRIVATE "-Wl,--Map=${CMAKE_PROJECT_NAME}_RAM.map"
+    )
+set_property(TARGET "${CMAKE_PROJECT_NAME}_RAM.elf" APPEND
+    PROPERTY ADDITIONAL_CLEAN_FILES "${CMAKE_PROJECT_NAME}_RAM.map"
+    )
+add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_RAM.hex"
+    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_RAM.elf" "${CMAKE_PROJECT_NAME}_RAM.hex"
+    DEPENDS "${CMAKE_PROJECT_NAME}_RAM.elf"
+    )
+add_custom_target("${CMAKE_PROJECT_NAME}_RAM_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_RAM.hex")
+if(DEFINED TARGET_TOOLCHAIN_SIZE)
+    add_custom_command(TARGET "${CMAKE_PROJECT_NAME}_RAM.elf" POST_BUILD
+        COMMAND ${TARGET_TOOLCHAIN_SIZE} "${CMAKE_PROJECT_NAME}_RAM.elf"
+        )
+endif()
+
diff --git a/SDK/fsp b/SDK/fsp
new file mode 160000
index 0000000..49346c0
--- /dev/null
+++ b/SDK/fsp
@@ -0,0 +1 @@
+Subproject commit 49346c0731c7513a33610a748af590a671a6fab2
diff --git a/arm-none-eabi.cmake b/arm-none-eabi.cmake
new file mode 100644
index 0000000..2b68248
--- /dev/null
+++ b/arm-none-eabi.cmake
@@ -0,0 +1,17 @@
+# Poor old Windows...
+if(WIN32)
+    set(CMAKE_SYSTEM_NAME "Generic")
+endif()
+
+set(CMAKE_C_COMPILER   arm-none-eabi-gcc)
+set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
+
+# Optionally set size binary name, for elf section size reporting.
+set(TARGET_TOOLCHAIN_SIZE arm-none-eabi-size)
+
+set(CMAKE_C_FLAGS_INIT   "-mcpu=cortex-m0plus -mthumb -mfloat-abi=soft")
+set(CMAKE_CXX_FLAGS_INIT "-mcpu=cortex-m0plus -mthumb -mfloat-abi=soft")
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-specs=nano.specs -specs=nosys.specs -Wl,--print-memory-usage -Wl,--no-warn-rwx-segments")
+
+# Make CMake happy about those compilers
+set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..b99b747
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,4 @@
+int main(void) {
+    for (;;) {
+    }
+}