diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..023c383 --- /dev/null +++ b/Makefile @@ -0,0 +1,58 @@ +# tashaboot +# +# build: make CROSS=aarch64-linux-gnu- +# run: make run (qemu virt, semihosting, Image on the host) +# +# the dtb is the board config, no board.h exists anywhere. + +CROSS ?= aarch64-linux-gnu- +CC := $(CROSS)gcc +LD := $(CROSS)ld +OBJCOPY := $(CROSS)objcopy +DTC ?= dtc + +CFLAGS := -nostdlib -ffreestanding -mgeneral-regs-only \ + -fno-builtin -fno-stack-protector -fno-pie -no-pie \ + -Wall -Werror -O2 \ + -Iinclude -Iarch/arm64/include -Ilib/libfdt + +LDFLAGS := -T arch/arm64/kernel/tashaboot.lds + +OBJS := arch/arm64/kernel/start.o \ + arch/arm64/kernel/boot.o \ + arch/arm64/lib/cache.o \ + arch/arm64/lib/semihosting.o \ + common/main.o common/console.o common/image.o common/load.o \ + drivers/serial/pl011.o \ + lib/printf.o lib/itoa.o lib/semihosting.o \ + $(patsubst %.c,%.o,$(wildcard lib/string/*.c)) \ + $(patsubst %.c,%.o,$(filter-out lib/libfdt/libfdt_env.h,$(wildcard lib/libfdt/*.c))) + +all: build/tashaboot.bin build/qemu-virt.dtb + +build/tashaboot.elf: $(OBJS) arch/arm64/kernel/tashaboot.lds + mkdir -p build + $(LD) $(LDFLAGS) -o $@ $(OBJS) + +build/tashaboot.bin: build/tashaboot.elf + $(OBJCOPY) -O binary $< $@ + +build/qemu-virt.dtb: dts/qemu-virt.dts + mkdir -p build + $(DTC) -o $@ $< + +%.o: %.c + $(CC) $(CFLAGS) -c -o $@ $< + +%.o: %.S + $(CC) $(CFLAGS) -c -o $@ $< + +run: all + qemu-system-aarch64 -M virt -cpu cortex-a57 -nographic -no-reboot \ + -semihosting config=all,enable=on -dtb build/qemu-virt.dtb \ + -kernel build/tashaboot.bin + +clean: + rm -rf build $(OBJS) + +.PHONY: all run clean |