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| author | Wojtek Kosior <kwojtus@protonmail.com> | 2019-10-03 11:00:21 +0200 |
|---|---|---|
| committer | Wojtek Kosior <kwojtus@protonmail.com> | 2019-10-03 11:00:21 +0200 |
| commit | 4e7666742e6089e7f0ff359c42f726acde7e2a0c (patch) | |
| tree | 102d0dbf4983a81651d05f0c0ecaa86dc7c0a8e3 /Makefile | |
| parent | 5f5df2cbe593b8d4365b5a20c2ec240746c9d914 (diff) | |
| download | rpi-MMU-example-4e7666742e6089e7f0ff359c42f726acde7e2a0c.tar.gz rpi-MMU-example-4e7666742e6089e7f0ff359c42f726acde7e2a0c.zip | |
copy-paste broken code from wiki.osdev; fix it; add Makefile
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..e465085 --- /dev/null +++ b/Makefile @@ -0,0 +1,29 @@ +all : kernel7.img + +kernel.o : kernel.c + arm-none-eabi-gcc -mcpu=cortex-a7 -ffreestanding -std=gnu99 -c -O2 -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 + +kernel_padded.img : kernel.elf + arm-none-eabi-objcopy $^ -O binary $@ + +# objcopy pads 0x0000 to 0x8000 with zeros, we need to get rid of them +kernel7.img : kernel_padded.img + -rm $@ + dd bs=4096 skip=8 if=$^ of=$@ + +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_padded.img kernel.elf boot.o kernel.o + +.PHONY: all qemu-elf qemu-bin clean |