79 lines
1.9 KiB
Makefile
79 lines
1.9 KiB
Makefile
ARCH=i386
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CC=i686-elf-gcc
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BUILDDIR=build
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ASMFILES=$(wildcard arch/$(ARCH)/*.asm)
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ASMOBJS=$(patsubst %.asm, $(BUILDDIR)/%.o, $(ASMFILES))
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CFILES=$(wildcard *.c)
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COBJS=$(patsubst %.c, $(BUILDDIR)/%.o, $(CFILES))
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LIBKFILES=$(wildcard libk/*.c)
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LIBKOBJS=$(patsubst %.c, $(BUILDDIR)/%.o, $(LIBKFILES))
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INCLUDEFLAGS=-Iinclude -Ilibk/include
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DEBUGFLAGS=
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CFLAGS=-std=c99 -ffreestanding -fstack-protector-all $(INCLUDEFLAGS) $(DEBUGFLAGS) -Wall -Wextra
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CRTI_OBJ = $(BUILDDIR)/arch/$(ARCH)/crti.o
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CRTBEGIN_OBJ:=$(shell $(CC) $(CFLAGS) -print-file-name=crtbegin.o)
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CRTEND_OBJ:=$(shell $(CC) $(CFLAGS) -print-file-name=crtend.o)
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CRTN_OBJ = $(BUILDDIR)/arch/$(ARCH)/crtn.o
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OBJFILES = \
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$(CRTI_OBJ) \
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$(CRTBEGIN_OBJ) \
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$(BUILDDIR)/arch/$(ARCH)/boot.o \
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$(LIBKOBJS) \
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$(COBJS) \
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$(CRTEND_OBJ) \
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$(CRTN_OBJ)
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DIRS = $(BUILDDIR)/arch/$(ARCH) $(BUILDDIR)/libk
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KERNELFILE = $(BUILDDIR)/orion.bin
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ISOFILE = $(BUILDDIR)/orion.iso
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.PHONY: all makedirs build link run run-grub clean
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all: makedirs build link
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makedirs $(DIRS):
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mkdir -p build/arch/$(ARCH)
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mkdir -p build/libk
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build: $(ASMOBJS) $(COBJS) $(LIBKOBJS)
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link:
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$(CC) -T linker.ld -o $(KERNELFILE) $(CFLAGS) -nostdlib $(OBJFILES) -lgcc
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$(BUILDDIR)/%.o: %.asm
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nasm -f elf32 $< -o $@
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$(BUILDDIR)/%.o: %.c
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$(CC) -c $< -o $@ $(CFLAGS) -lgcc
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$(BUILDDIR)/%.o: libk/%.c
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$(CC) -c $< -o $@ $(CFLAGS) -lgcc
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clean:
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rm -rf $(BUILDDIR)/*
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run:
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qemu-system-$(ARCH) -kernel $(KERNELFILE) -serial stdio -S -s
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run-grub:
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mkdir -p $(BUILDDIR)/isodir
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mkdir -p $(BUILDDIR)/isodir/boot
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mkdir -p $(BUILDDIR)/isodir/boot/grub
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cp $(KERNELFILE) $(BUILDDIR)/isodir/boot/orion.kernel
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echo 'menuentry "orion" { ' > $(BUILDDIR)/isodir/boot/grub/grub.cfg
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echo ' multiboot /boot/orion.kernel' >> $(BUILDDIR)/isodir/boot/grub/grub.cfg
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echo '}' >> $(BUILDDIR)/isodir/boot/grub/grub.cfg
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grub-mkrescue -o $(ISOFILE) $(BUILDDIR)/isodir
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qemu-system-$(ARCH) -cdrom $(BUILDDIR)/orion.iso -serial stdio -S -s
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