1include ../env.mk 2 3# 设置编译器 4ifeq ($(ARCH), x86_64) 5 6# 如果 x86_64时，DragonOS_GCC 为空，那么设置为默认值 7export DragonOS_GCC?=$(HOME)/opt/dragonos-gcc/gcc-x86_64-unknown-none/bin 8 9export CC=$(DragonOS_GCC)/x86_64-elf-gcc 10export LD=ld 11export AS=$(DragonOS_GCC)/x86_64-elf-as 12export NM=$(DragonOS_GCC)/x86_64-elf-nm 13export AR=$(DragonOS_GCC)/x86_64-elf-ar 14export OBJCOPY=$(DragonOS_GCC)/x86_64-elf-objcopy 15 16else ifeq ($(ARCH), riscv64) 17 18export CC=riscv64-unknown-elf-gcc 19# binutils版本需要>=2.38 20# 而ubuntu的unknown-elf的版本比较旧，所以使用了riscv64-linux-gnu-ld 21export LD=riscv64-linux-gnu-ld 22export AS=riscv64-unknown-elf-as 23export NM=riscv64-unknown-elf-nm 24export AR=riscv64-unknown-elf-ar 25export OBJCOPY=riscv64-unknown-elf-objcopy 26 27endif 28 29 30export DEBUG=DEBUG 31 32export CFLAGS_DEFINE_ARCH="__$(ARCH)__" 33 34export GLOBAL_CFLAGS := -fno-builtin -fno-stack-protector -D $(CFLAGS_DEFINE_ARCH) -D $(EMULATOR) -O1 35 36ifeq ($(ARCH), x86_64) 37GLOBAL_CFLAGS += -mcmodel=large -m64 38else ifeq ($(ARCH), riscv64) 39GLOBAL_CFLAGS += -mcmodel=medany -march=rv64gc -mabi=lp64d 40endif 41 42ifeq ($(DEBUG), DEBUG) 43GLOBAL_CFLAGS += -g 44endif 45