DragonOS/env.mk
LoGin 1a72a751b1
在riscv输出hello world (#466)
增加了以下内容:
- SBI驱动
- 把内核的rust工具链升级到2023-08-15版本
- 输出riscv的helloworld
- 设置内核是PIC的
2023-12-07 02:13:22 +08:00

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1.2 KiB
Makefile
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ifeq ($(ARCH), )
# 在这里设置ARCH可选x86_64和riscv64
# !!!!!!!如果不同时调整这里以及vscode的settings.json那么自动补全和检查将会失效
export ARCH?=x86_64
endif
ifeq ($(EMULATOR), )
export EMULATOR=__NO_EMULATION__
endif
# 设置编译器
ifeq ($(ARCH), x86_64)
export CC=$(DragonOS_GCC)/x86_64-elf-gcc
export LD=ld
export AS=$(DragonOS_GCC)/x86_64-elf-as
export NM=$(DragonOS_GCC)/x86_64-elf-nm
export AR=$(DragonOS_GCC)/x86_64-elf-ar
export OBJCOPY=$(DragonOS_GCC)/x86_64-elf-objcopy
else ifeq ($(ARCH), riscv64)
export CC=riscv64-unknown-elf-gcc
# binutils版本需要>=2.38
# 而ubuntu的unknown-elf的版本比较旧所以使用了riscv64-linux-gnu-ld
export LD=riscv64-linux-gnu-ld
export AS=riscv64-unknown-elf-as
export NM=riscv64-unknown-elf-nm
export AR=riscv64-unknown-elf-ar
export OBJCOPY=riscv64-unknown-elf-objcopy
endif
export DEBUG=DEBUG
export CFLAGS_DEFINE_ARCH="__$(ARCH)__"
export GLOBAL_CFLAGS := -fno-builtin -fno-stack-protector -D $(CFLAGS_DEFINE_ARCH) -D $(EMULATOR) -O1
ifeq ($(ARCH), x86_64)
GLOBAL_CFLAGS += -mcmodel=large -m64
else ifeq ($(ARCH), riscv64)
GLOBAL_CFLAGS += -mcmodel=medany -march=rv64imac -mabi=lp64
endif
ifeq ($(DEBUG), DEBUG)
GLOBAL_CFLAGS += -g
endif