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# Revel — build the kernel, assemble a Limine ISO, boot it in QEMU.
#
# make build the ISO (default)
# make run build and boot it headless (serial on stdout)
# make kernel just compile the kernel ELF
# make clean remove build output (kernel, ISO, caches)
# make distclean also remove Limine's built host tool
ZIG ?= zig
QEMU ?= qemu-system-x86_64
KERNEL := zig-out/bin/revel
ISO := revel.iso
.PHONY: all kernel iso run clean distclean
all: iso
kernel:
$(ZIG) build
limine/limine:
$(MAKE) -C limine
iso: kernel limine/limine
rm -rf iso_root
mkdir -p iso_root/boot/limine iso_root/EFI/BOOT
cp $(KERNEL) iso_root/boot/revel
cp boot/limine.conf iso_root/boot/limine/
cp limine/limine-bios.sys \
limine/limine-bios-cd.bin \
limine/limine-uefi-cd.bin iso_root/boot/limine/
cp limine/BOOTX64.EFI \
limine/BOOTIA32.EFI iso_root/EFI/BOOT/
xorriso -as mkisofs -R -r -J \
-b boot/limine/limine-bios-cd.bin \
-no-emul-boot -boot-load-size 4 -boot-info-table \
-hfsplus -apm-block-size 2048 \
--efi-boot boot/limine/limine-uefi-cd.bin \
-efi-boot-part --efi-boot-image --protective-msdos-label \
iso_root -o $(ISO)
./limine/limine bios-install $(ISO)
# for now this is just going to be a headless run
# all I need this for is to check for kernel panics
# and limine related failures.
run: iso
$(QEMU) -M q35 -m 256M -cdrom $(ISO) -boot d \
-display none -serial stdio -no-reboot \
-no-shutdown
clean:
rm -rf iso_root zig-out .zig-cache $(ISO)
distclean: clean
rm -f limine/limine
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