forked from xamidev/pepperOS
69 lines
2.3 KiB
Makefile
69 lines
2.3 KiB
Makefile
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BUILDDIR := build
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ELFFILE := pepperk
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SRC := src
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SOURCES := $(shell find src -name '*.c')
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OBJFILES := $(patsubst $(SRC)/%.c, $(BUILDDIR)/%.o, $(SOURCES))
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CC := x86_64-elf-gcc
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CC_FLAGS=-Wall -Wextra -std=gnu99 -nostdlib -ffreestanding -fno-stack-protector -fno-omit-frame-pointer -fno-stack-check -fno-PIC -ffunction-sections -fdata-sections -mcmodel=kernel
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CC_PROBLEMATIC_FLAGS=-Wno-unused-parameter -Wno-unused-variable
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LD := x86_64-elf-ld
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$(ELFFILE): $(BUILDDIR) $(OBJFILES)
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nasm -f elf64 src/arch/x86/idt.S -o $(BUILDDIR)/idt_stub.o
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$(LD) -o $(ELFFILE) -T linker.ld $(OBJFILES) $(BUILDDIR)/idt_stub.o
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# Get the symbols for debugging
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nm -n $(ELFFILE) | awk '$$2 ~ /[TtDdBbRr]/ {print $$1, $$3}' > symbols.map
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python3 symbols.py
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nasm -f elf64 symbols.S -o $(BUILDDIR)/symbols.o
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$(LD) -o $(ELFFILE) -T linker.ld $(OBJFILES) $(BUILDDIR)/idt_stub.o $(BUILDDIR)/symbols.o
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$(BUILDDIR):
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@mkdir -p $(BUILDDIR)
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$(BUILDDIR)/%.o: $(SRC)/%.c
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mkdir -p $(dir $@)
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$(CC) -g -c -Iinclude $< $(CC_PROBLEMATIC_FLAGS) $(CC_FLAGS) -o $@
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limine/limine:
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rm -rf limine
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git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1
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$(MAKE) -C limine
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build-iso: limine/limine $(ELFFILE)
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rm -rf iso_root
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mkdir -p iso_root/boot
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cp -v $(ELFFILE) iso_root/boot
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mkdir -p iso_root/boot/limine
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cp -v limine.conf iso_root/boot/limine
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mkdir -p iso_root/EFI/BOOT
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cp -v limine/limine-bios.sys limine/limine-bios-cd.bin limine/limine-uefi-cd.bin iso_root/boot/limine/
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cp -v limine/BOOTX64.EFI iso_root/EFI/BOOT/
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cp -v limine/BOOTIA32.EFI iso_root/EFI/BOOT/
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xorriso -as mkisofs -R -r -J -b boot/limine/limine-bios-cd.bin \
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-no-emul-boot -boot-load-size 4 -boot-info-table -hfsplus \
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-apm-block-size 2048 --efi-boot boot/limine/limine-uefi-cd.bin \
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-efi-boot-part --efi-boot-image --protective-msdos-label \
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iso_root -o pepper.iso
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./limine/limine bios-install pepper.iso
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.PHONY: debug
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debug:
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/usr/bin/qemu-system-x86_64 -drive file=pepper.iso -s -S -d int -D qemu.log -no-reboot -no-shutdown &
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gdb $(ELFFILE) --command=debug.gdb
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.PHONY: debug2
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debug2:
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/usr/bin/qemu-system-x86_64 -drive file=pepper.iso -s -S -d int -no-reboot -no-shutdown &
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pwndbg $(ELFFILE) --command=debug.gdb
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.PHONY: run
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run: build-iso
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/usr/bin/qemu-system-x86_64 -cdrom pepper.iso -serial stdio
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.PHONY: clean
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clean:
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rm -rf $(BUILDDIR) symbols.map symbols.S $(ELFFILE) iso_root pepper.iso limine
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