1 2ifeq ($(ARCH), ) 3# ！！！！在这里设置ARCH，可选 x86_64 和 riscv64 4# !!!!!!!如果不同时调整这里以及vscode的settings.json，那么自动补全和检查将会失效 5export ARCH?=x86_64 6endif 7 8ifeq ($(EMULATOR), ) 9export EMULATOR=__NO_EMULATION__ 10endif 11 12# 设置编译器 13ifeq ($(ARCH), x86_64) 14 15# 如果 x86_64时，DragonOS_GCC 为空，那么设置为默认值 16export DragonOS_GCC?=$(HOME)/opt/dragonos-gcc/gcc-x86_64-unknown-none/bin 17 18export CC=$(DragonOS_GCC)/x86_64-elf-gcc 19export LD=ld 20export AS=$(DragonOS_GCC)/x86_64-elf-as 21export NM=$(DragonOS_GCC)/x86_64-elf-nm 22export AR=$(DragonOS_GCC)/x86_64-elf-ar 23export OBJCOPY=$(DragonOS_GCC)/x86_64-elf-objcopy 24 25else ifeq ($(ARCH), riscv64) 26 27export CC=riscv64-unknown-elf-gcc 28# binutils版本需要>=2.38 29# 而ubuntu的unknown-elf的版本比较旧，所以使用了riscv64-linux-gnu-ld 30export LD=riscv64-linux-gnu-ld 31export AS=riscv64-unknown-elf-as 32export NM=riscv64-unknown-elf-nm 33export AR=riscv64-unknown-elf-ar 34export OBJCOPY=riscv64-unknown-elf-objcopy 35 36endif 37 38 39export DEBUG=DEBUG 40 41export CFLAGS_DEFINE_ARCH="__$(ARCH)__" 42 43export GLOBAL_CFLAGS := -fno-builtin -fno-stack-protector -D $(CFLAGS_DEFINE_ARCH) -D $(EMULATOR) -O1 44 45ifeq ($(ARCH), x86_64) 46GLOBAL_CFLAGS += -mcmodel=large -m64 47else ifeq ($(ARCH), riscv64) 48GLOBAL_CFLAGS += -mcmodel=medany -march=rv64imac -mabi=lp64 49endif 50 51ifeq ($(DEBUG), DEBUG) 52GLOBAL_CFLAGS += -g 53endif 54