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all : kernel7.img
kernel.o : kernel.c
arm-none-eabi-gcc -mcpu=cortex-a7 -ffreestanding -std=gnu99 -c -Wall -Wextra $^ -o $@
boot.o : boot.S
arm-none-eabi-as -mcpu=cortex-a7 boot.S -o boot.o
kernel.elf : boot.o kernel.o
arm-none-eabi-gcc -T linker.ld -o $@ -ffreestanding -O2 -nostdlib boot.o kernel.o -lgcc
kernel7.img : kernel.elf
arm-none-eabi-objcopy $^ -O binary $@
qemu-elf : kernel.elf
qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
qemu-bin : kernel7.img
qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
clean :
-rm kernel7.img kernel.elf boot.o kernel.o
.PHONY: all qemu-elf qemu-bin clean
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