LD = i686-elf-ld
CC = i686-elf-gcc
-KERNEL_OBJ = kernel/entry.o kernel/arch/x86/tty/tty.o kernel/kernel.o
+GIT_REV = $(shell git rev-parse --short HEAD)
+
+CFLAGS = -std=gnu89 -g -Iinclude/arch/x86 -ffreestanding -DGIT_COMMIT=\"$(GIT_REV)\"
+
+KERNEL_OBJ = kernel/entry.o kernel/arch/x86/tty/tty.o kernel/drivers/irq/i8259a.o kernel/arch/x86/irq/idt.o kernel/arch/x86/irq/sample_handler.o kernel/kernel.o
all: boot.img kernel/kernel.elf
$(AS) -f bin boot/x86/boot.s -o $@
kernel/kernel.bin: ${KERNEL_OBJ}
- $(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ}
+ $(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ}
kernel/entry.o: kernel/entry.s
$(AS) -f elf kernel/entry.s -o $@
kernel/arch/x86/tty/tty.o: kernel/arch/x86/tty/tty.c
- $(CC) -g -o $@ -ffreestanding -c kernel/arch/x86/tty/tty.c
+
+kernel/drivers/irq/i8259a.o: kernel/drivers/irq/i8259a.c
+
+kernel/arch/x86/irq/idt.o: kernel/arch/x86/irq/idt.c
+
+kernel/arch/x86/irq/sample_handler.o: kernel/arch/x86/irq/sample_handler.c
+ $(CC) $(CFLAGS) -mgeneral-regs-only -c kernel/arch/x86/irq/sample_handler.c -o $@
kernel/kernel.o: kernel/kernel.c
- $(CC) -g -o $@ -Iinclude/arch/x86 -ffreestanding -c kernel/kernel.c
kernel/kernel.elf: kernel/kernel.bin
$(LD) -o $@ -T kernel/linker.ld ${KERNEL_OBJ} --oformat=elf32-i386
clean:
- rm boot/x86/boot kernel/kernel.bin ${KERNEL_OBJ} boot.img
+ rm boot/x86/boot kernel/kernel.bin kernel/kernel.elf ${KERNEL_OBJ} boot.img
.PHONY: all clean