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emk/GNUmakefile

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Makefile

# EMK 1.0 Copyright (c) 2025 Piraterna
MAKEFLAGS += -rR
.SUFFIXES:
QEMUFLAGS := -m 2G -serial stdio
IMAGE_NAME := release/emk
HOST_CC := cc
HOST_CFLAGS := -g -O2 -pipe
.PHONY: all
all: $(IMAGE_NAME).iso
.PHONY: run
run: $(IMAGE_NAME).iso ovmf/ovmf-code-x86_64.fd
@qemu-system-x86_64 \
-M q35 \
-drive if=pflash,unit=0,format=raw,file=ovmf/ovmf-code-x86_64.fd,readonly=on \
-cdrom $(IMAGE_NAME).iso \
$(QEMUFLAGS)
ovmf/ovmf-code-x86_64.fd:
@mkdir -p ovmf
@curl -Lo $@ https://github.com/osdev0/edk2-ovmf-nightly/releases/latest/download/ovmf-code-x86_64.fd
limine/limine:
@rm -rf limine
@git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1
@$(MAKE) -C limine \
CC="$(HOST_CC)" \
CFLAGS="$(HOST_CFLAGS)"
.PHONY: kernel
kernel:
@$(MAKE) -C kernel
$(IMAGE_NAME).iso: limine/limine kernel
@rm -rf iso_root
@mkdir -p release
@mkdir -p iso_root/boot/limine iso_root/EFI/BOOT
@cp -v kernel/bin/emk.elf iso_root/boot/
@cp -v limine.conf iso_root/boot/limine/
@cp -v limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/boot/limine/
@cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/
@cp -v 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 $(IMAGE_NAME).iso
@./limine/limine bios-install $(IMAGE_NAME).iso
@rm -rf iso_root
.PHONY: clean
clean:
@$(MAKE) -C kernel clean
@rm -rf iso_root $(IMAGE_NAME).iso
.PHONY: distclean
distclean:
@$(MAKE) -C kernel distclean
@rm -rf iso_root *.iso kernel-deps limine ovmf