DragonOS/env.mk
LoGin 666cffedab
riscv: 映射内核到指定的虚拟地址,使得kinfo能正常工作 (#468)
* riscv: 映射内核到指定的虚拟地址,使得kinfo能正常工作
2023-12-16 22:26:26 +08:00

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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