45 lines
1.1 KiB
Makefile
45 lines
1.1 KiB
Makefile
include ../env.mk
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# 设置编译器
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ifeq ($(ARCH), x86_64)
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# 如果 x86_64时，DragonOS_GCC 为空，那么设置为默认值
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export DragonOS_GCC?=$(HOME)/opt/dragonos-gcc/gcc-x86_64-unknown-none/bin
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export CC=$(DragonOS_GCC)/x86_64-elf-gcc
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export LD=ld
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export AS=$(DragonOS_GCC)/x86_64-elf-as
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export NM=$(DragonOS_GCC)/x86_64-elf-nm
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export AR=$(DragonOS_GCC)/x86_64-elf-ar
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export OBJCOPY=$(DragonOS_GCC)/x86_64-elf-objcopy
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else ifeq ($(ARCH), riscv64)
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export CC=riscv64-unknown-elf-gcc
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# binutils版本需要>=2.38
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# 而ubuntu的unknown-elf的版本比较旧，所以使用了riscv64-linux-gnu-ld
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export LD=riscv64-linux-gnu-ld
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export AS=riscv64-unknown-elf-as
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export NM=riscv64-unknown-elf-nm
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export AR=riscv64-unknown-elf-ar
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export OBJCOPY=riscv64-unknown-elf-objcopy
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endif
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export DEBUG=DEBUG
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export CFLAGS_DEFINE_ARCH="__$(ARCH)__"
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export GLOBAL_CFLAGS := -fno-builtin -fno-stack-protector -D $(CFLAGS_DEFINE_ARCH) -D $(EMULATOR) -O1
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ifeq ($(ARCH), x86_64)
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GLOBAL_CFLAGS += -mcmodel=large -m64
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else ifeq ($(ARCH), riscv64)
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GLOBAL_CFLAGS += -mcmodel=medany -march=rv64gc -mabi=lp64d
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endif
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ifeq ($(DEBUG), DEBUG)
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GLOBAL_CFLAGS += -g
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endif
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