# ###############################
# CH32V20X toolchain file 
# ###############################

# Specify the cross-compiler
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)
set(CMAKE_SYSTEM_PROCESSOR riscv)

set(MCU ch32v203)
set(MARCH rv32imac)
set(MABI ilp32)
set(F_CPU 144000000UL)
set(PROGRAMMER wlink)

# Define the toolchain executables
set(TRIPPLE riscv-none-elf)
set(CMAKE_C_COMPILER ${TRIPPLE}-gcc)
set(CMAKE_CXX_COMPILER ${TRIPPLE}-g++)
set(CMAKE_ASM_COMPILER ${TRIPPLE}-gcc)
set(CMAKE_LINKER ${TRIPPLE}-ld)
set(CMAKE_OBJCOPY ${TRIPPLE}-objcopy)
set(CMAKE_SIZE ${TRIPPLE}-size)

# #####################################
# Flags and Options for ELF building
# #####################################

#riscv-none-embed-gcc -march=rv32imac -mabi=ilp32 -msmall-data-limit=8 
#-msave-restore -Os -fmessage-length=0 -fsigned-char -ffunction-sections 
#-fdata-sections -fno-common -Wunused -Wuninitialized  
#-g -T "/home/ronin/mrs_community-workspace/CH32V203K8T6/Ld/Link.ld" 
#-nostartfiles -Xlinker --gc-sections -Wl,-Map,"CH32V203K8T6.map" 
#--specs=nano.specs --specs=nosys.specs -o "CH32V203K8T6.elf" 
#$(OBJS) $(USER_OBJS) $(LIBS)

# #####################################
# Building HEX file
# #####################################

#riscv-none-embed-objcopy -O ihex "CH32V203K8T6.elf"  "CH32V203K8T6.hex"

# #####################################
# LST building
# #####################################

#riscv-none-embed-objdump --all-headers --demangle --disassemble "CH32V203K8T6.elf" > "CH32V203K8T6.lst"

# #####################################
# Size building or CMD 
# #####################################

#riscv-none-embed-size --format=berkeley "CH32V203K8T6.elf"

# Define compile options
set(CMAKE_C_FLAGS "-march=${MARCH} -mabi=${MABI} -msmall-data-limit=8\
-msave-restore -Os -fmessage-length=0 -fsigned-char -ffunction-sections\
-fdata-section -fno-common -Wunused -Wuninitialized -g\
-T ./src/linker/Link.ld -nostartfiles -Xlinker --gc-sections -Wl\
--specs=nano.sepcs --specs=nosys.specs
") 
set(CMAKE_CXX_FLAGS "-march=${MARCH}") 
set(CMAKE_EXE_LINKER_FLAGS_INIT "-mmcu=${AVR_MCU}")


# Define the archiver and other tools
set(CMAKE_AR ${TRIPPLE}-gcc-ar)
set(CMAKE_RANLIB ${TRIPPLE}-gcc-ranlib)