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Merge pull request 'Improve Makefile' (#15) from furtest/pepperOS:makefile into main

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Reviewed-on: xamidev/pepperOS#15
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xamidev
2026-03-15 21:17:44 +01:00
parent 0482f594ef b02a4b5284
commit ccc8985d4c
1 changed files with 31 additions and 17 deletions
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48
Makefile
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@@ -1,31 +1,41 @@
SOURCES = src/sched/spinlock.c src/debug/misc.c src/io/term/flanterm_backends/fb.c src/io/term/flanterm.c src/debug/panic.c src/debug/stacktrace.c src/boot/boot.c src/sched/scheduler.c src/sched/process.c src/mem/heap/kheap.c src/mem/paging/vmm.c src/mem/paging/paging.c src/mem/paging/pmm.c src/string/string.c src/io/kbd/ps2.c src/io/serial/serial.c src/io/term/term.c src/idt/idt.c src/mem/gdt/gdt.c src/mem/misc/utils.c src/time/timer.c src/kmain.c
BUILDDIR := build
ELFFILE := pepperk
SRC := src
SOURCES := $(shell find src -name '*.c')
OBJFILES := $(patsubst $(SRC)/%.c, $(BUILDDIR)/%.o, $(SOURCES))
CC := x86_64-elf-gcc
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
CC_PROBLEMATIC_FLAGS=-Wno-unused-parameter -Wno-unused-variable
.PHONY: build build-iso debug debug2 run clean
LD := x86_64-elf-ld
build:
mkdir -p build
rm -f *.o build/*.o
x86_64-elf-gcc -g -c -Isrc $(SOURCES) $(CC_PROBLEMATIC_FLAGS) $(CC_FLAGS)
mv *.o build/
nasm -f elf64 src/idt/idt.S -o build/idt_stub.o
x86_64-elf-ld -o pepperk -T linker.ld build/*.o
nm -n pepperk | awk '$$2 ~ /[TtDdBbRr]/ {print $$1, $$3}' > symbols.map
$(ELFFILE): $(BUILDDIR) $(OBJFILES)
nasm -f elf64 src/idt/idt.S -o $(BUILDDIR)/idt_stub.o
$(LD) -o $(ELFFILE) -T linker.ld $(OBJFILES) $(BUILDDIR)/idt_stub.o
# Get the symbols for debugging
nm -n $(ELFFILE) | awk '$$2 ~ /[TtDdBbRr]/ {print $$1, $$3}' > symbols.map
python3 symbols.py
nasm -f elf64 symbols.S -o build/symbols.o
x86_64-elf-ld -o pepperk -T linker.ld build/*.o
nasm -f elf64 symbols.S -o $(BUILDDIR)/symbols.o
$(LD) -o $(ELFFILE) -T linker.ld $(OBJFILES) $(BUILDDIR)/idt_stub.o
$(BUILDDIR):
@mkdir -p $(BUILDDIR)
$(BUILDDIR)/%.o: $(SRC)/%.c
mkdir -p $(dir $@)
$(CC) -g -c -Isrc $< $(CC_PROBLEMATIC_FLAGS) $(CC_FLAGS) -o $@
limine/limine:
rm -rf limine
git clone https://github.com/limine-bootloader/limine.git --branch=v9.x-binary --depth=1
$(MAKE) -C limine
build-iso: limine/limine build
build-iso: limine/limine $(ELFFILE)
rm -rf iso_root
mkdir -p iso_root/boot
cp -v pepperk iso_root/boot
cp -v $(ELFFILE) iso_root/boot
mkdir -p iso_root/boot/limine
cp -v limine.conf iso_root/boot/limine
mkdir -p iso_root/EFI/BOOT
@@ -39,16 +49,20 @@ build-iso: limine/limine build
iso_root -o pepper.iso
./limine/limine bios-install pepper.iso
.PHONY: debug
debug:
/usr/bin/qemu-system-x86_64 -drive file=pepper.iso -s -S -d int -D qemu.log -no-reboot -no-shutdown &
gdb pepperk --command=debug.gdb
gdb $(ELFFILE) --command=debug.gdb
.PHONY: debug2
debug2:
/usr/bin/qemu-system-x86_64 -drive file=pepper.iso -s -S -d int -no-reboot -no-shutdown &
pwndbg pepperk --command=debug.gdb
pwndbg $(ELFFILE) --command=debug.gdb
.PHONY: run
run: build-iso
/usr/bin/qemu-system-x86_64 -cdrom pepper.iso -serial stdio
.PHONY: clean
clean:
rm -rf *.o symbols.map symbols.S pepperk iso_root pepper.iso limine build/*.o
rm -rf $(BUILDDIR) symbols.map symbols.S $(ELFFILE) iso_root pepper.iso limine