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Makefile
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Makefile
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# Nuke built-in rules and variables.
override MAKEFLAGS += -rR
override IMAGE_NAME := horizon
define DEFAULT_VAR =
ifeq ($(origin $1),default)
override $(1) := $(2)
endif
ifeq ($(origin $1),undefined)
override $(1) := $(2)
endif
endef
override DEFAULT_HOST_CC := gcc
$(eval $(call DEFAULT_VAR,HOST_CC,$(DEFAULT_HOST_CC)))
override DEFAULT_HOST_CFLAGS := -g -O2 -pipe
$(eval $(call DEFAULT_VAR,HOST_CFLAGS,$(DEFAULT_HOST_CFLAGS)))
override DEFAULT_HOST_CPPFLAGS :=
$(eval $(call DEFAULT_VAR,HOST_CPPFLAGS,$(DEFAULT_HOST_CPPFLAGS)))
override DEFAULT_HOST_LDFLAGS :=
$(eval $(call DEFAULT_VAR,HOST_LDFLAGS,$(DEFAULT_HOST_LDFLAGS)))
override DEFAULT_HOST_LIBS :=
$(eval $(call DEFAULT_VAR,HOST_LIBS,$(DEFAULT_HOST_LIBS)))
MEMORY := 4G
TIME := -rtc base=localtime
.PHONY: all all-hdd run run-uefi run-hdd run-hdd-uefi kernel clean distclean
all: $(IMAGE_NAME).iso
all-hdd: $(IMAGE_NAME).hdd
run: $(IMAGE_NAME).iso
qemu-system-x86_64 -enable-kvm -debugcon stdio -M q35 -m $(MEMORY) $(TIME) -cdrom $(IMAGE_NAME).iso -boot d -display default,show-cursor=on
debug: $(IMAGE_NAME).iso
./scripts/remove_from_port.sh
qemu-system-x86_64 -S -s -M q35 -m $(MEMORY) $(TIME) -cdrom $(IMAGE_NAME).iso -boot d -curses -nographic
run-uefi: ovmf $(IMAGE_NAME).iso
qemu-system-x86_64 -M q35 -m $(MEMORY) -bios ovmf/OVMF.fd $(TIME) -cdrom $(IMAGE_NAME).iso -boot d
run-hdd: $(IMAGE_NAME).hdd
qemu-system-x86_64 -M q35 -m $(MEMORY) -debugcon stdio $(TIME) -hda $(IMAGE_NAME).hdd
run-hdd-uefi: ovmf $(IMAGE_NAME).hdd
qemu-system-x86_64 -M q35 -m $(MEMORY) -bios ovmf/OVMF.fd $(TIME) -debugcon stdio -hda $(IMAGE_NAME).hdd
ovmf:
mkdir -p ovmf
cd ovmf && curl -Lo OVMF.fd https://retrage.github.io/edk2-nightly/bin/RELEASEX64_OVMF.fd
limine:
git clone https://github.com/limine-bootloader/limine.git --branch=v7.x-binary --depth=1
$(MAKE) -C limine \
CC="$(HOST_CC)" \
CFLAGS="$(HOST_CFLAGS)" \
CPPFLAGS="$(HOST_CPPFLAGS)" \
LDFLAGS="$(HOST_LDFLAGS)" \
LIBS="$(HOST_LIBS)"
./ext:
mkdir -p ext
curl -Lo ./ext/zap-vga16.psf https://www.zap.org.au/projects/console-fonts-zap/src/zap-vga16.psf
kernel:
$(MAKE) -C kernel
$(IMAGE_NAME).iso: ./ext limine kernel
@echo "Creating horizon.iso..."
@rm -rf iso_root
@mkdir -p iso_root/boot
@mkdir -p iso_root/boot/limine
@mkdir -p iso_root/EFI/BOOT
@cp -v kernel/bin/kernel iso_root/boot/
@cp -v ext/* iso_root
@mv iso_root/boot/kernel iso_root/boot/horizon
@cp -v limine.cfg limine/limine-bios.sys limine/limine-bios-cd.bin \
limine/limine-uefi-cd.bin iso_root/boot/limine/
@cp -v limine/BOOTX64.EFI limine/BOOTIA32.EFI iso_root/EFI/BOOT/
@xorriso -as mkisofs -b boot/limine/limine-bios-cd.bin \
-no-emul-boot -boot-load-size 4 -boot-info-table \
--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
$(IMAGE_NAME).hdd: limine kernel
@echo "Creating horizon.hdd..."
@rm -f $(IMAGE_NAME).hdd
@dd if=/dev/zero bs=1M count=0 seek=64 of=$(IMAGE_NAME).hdd
@sgdisk $(IMAGE_NAME).hdd -n 1:2048 -t 1:ef00
@./limine/limine bios-install $(IMAGE_NAME).hdd
@mformat -i $(IMAGE_NAME).hdd@@1M
@mmd -i $(IMAGE_NAME).hdd@@1M ::/EFI ::/EFI/BOOT ::/boot ::/boot/limine
@mcopy -i $(IMAGE_NAME).hdd@@1M kernel/bin/kernel ::/boot
@mcopy -i $(IMAGE_NAME).hdd@@1M limine.cfg limine/limine-bios.sys ::/boot/limine
@mcopy -i $(IMAGE_NAME).hdd@@1M limine/BOOTX64.EFI ::/EFI/BOOT
@mcopy -i $(IMAGE_NAME).hdd@@1M limine/BOOTIA32.EFI ::/EFI/BOOT
clean:
rm -rf iso_root $(IMAGE_NAME).iso $(IMAGE_NAME).hdd
$(MAKE) -C kernel clean
distclean: clean
rm -rf limine ovmf ext
$(MAKE) -C kernel distclean
#
# Toolchain
#
BINUTILS_VERSION = 2.41
BINUTILS_URL = https://ftp.gnu.org/gnu/binutils/binutils-$(BINUTILS_VERSION).tar.xz
GCC_VERSION = 13.2.0
GCC_URL = https://ftp.gnu.org/gnu/gcc/gcc-$(GCC_VERSION)/gcc-$(GCC_VERSION).tar.xz
TOOLCHAIN_PREFIX = $(abspath ./toolchain/$(TARGET))
export PATH := $(TOOLCHAIN_PREFIX)/bin:$(PATH)
export TARGET := x86_64-elf
.PHONY: toolchain toolchain_binutils toolchain_gcc clean-toolchain clean-toolchain-all
toolchain: toolchain_binutils toolchain_gcc
TOOLCHAIN_DIR = ./toolchain
BINUTILS_SRC = $(TOOLCHAIN_DIR)/binutils-$(BINUTILS_VERSION)
BINUTILS_BUILD = $(TOOLCHAIN_DIR)/binutils-build-$(BINUTILS_VERSION)
toolchain_binutils: $(BINUTILS_SRC).tar.xz
cd toolchain && tar -xf binutils-$(BINUTILS_VERSION).tar.xz
mkdir $(BINUTILS_BUILD)
cd $(BINUTILS_BUILD) && ../binutils-$(BINUTILS_VERSION)/configure \
--prefix="$(TOOLCHAIN_PREFIX)" \
--target=$(TARGET) \
--with-sysroot \
--disable-nls \
--disable-werror
$(MAKE) -j4 -C $(BINUTILS_BUILD)
$(MAKE) -C $(BINUTILS_BUILD) install
$(BINUTILS_SRC).tar.xz:
mkdir -p $(TOOLCHAIN_DIR)
cd $(TOOLCHAIN_DIR) && wget $(BINUTILS_URL)
GCC_SRC = $(TOOLCHAIN_DIR)/gcc-$(GCC_VERSION)
GCC_BUILD = $(TOOLCHAIN_DIR)/gcc-build-$(GCC_VERSION)
toolchain_gcc: toolchain_binutils $(GCC_SRC).tar.xz
cd $(TOOLCHAIN_DIR) && tar -xf gcc-$(GCC_VERSION).tar.xz
mkdir $(GCC_BUILD)
cd $(GCC_BUILD) && ../gcc-$(GCC_VERSION)/configure \
--prefix="$(TOOLCHAIN_PREFIX)" \
--target=$(TARGET) \
--disable-nls \
--enable-languages=c,c++ \
--without-headers
$(MAKE) -j4 -C $(GCC_BUILD) all-gcc all-target-libgcc
$(MAKE) -C $(GCC_BUILD) install-gcc install-target-libgcc
$(GCC_SRC).tar.xz:
mkdir -p $(TOOLCHAIN_DIR)
cd $(TOOLCHAIN_DIR) && wget $(GCC_URL)
clean-toolchain:
rm -rf $(GCC_BUILD) $(GCC_SRC) $(BINUTILS_BUILD) $(BINUTILS_SRC)
clean-toolchain-all:
rm -rf $(TOOLCHAIN_DIR)/*