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#####################
# #
# FoolOS Makefile #
# #
#####################
#TODO: use implicit rules !!
#lets use the size of a 1.44 floppy for a start for our boot img
IMAGE_SIZE=1474560
#font data starts at sector 50
FONT_DATA_START=25600
#data starts at 0x8000
DATA_START=32768
#final image
all: FoolOS.img
#assembling of final image
FoolOS.img: Fool.img FoolData.img fill.bin
cat $^ | head -c $(IMAGE_SIZE) > $@
Fool.img: mbr.bin kernel.bin fill.bin
cat $^ | head -c $(FONT_DATA_START) > $@
FoolData.img: binfont.bin
cat $^ > $@
binfont.bin: data/binfont.src
python tools/binarize.py $< $@
#some data just to fill up to the target image_size
fill.bin: boot/fill.asm
nasm -f bin $^ -o $@
#this is the MASTER BOOT RECORD, where our bootloader lives
mbr.bin: boot/mbr.asm
nasm -f bin $^ -o $@
kernel_entry.o: boot/kernel_entry.asm
nasm -f elf $^ -o $@
read_eip.o: asm/read_eip.asm
nasm -f elf $^ -o $@
copy_page_physical.o: asm/copy_page_physical.asm
nasm -f elf $^ -o $@
kernel.o: kernel/kernel.c kernel/console.h
gcc -ffreestanding -std=gnu99 -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
x86.o: kernel/x86.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
floppy.o: kernel/floppy.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
vmem.o: kernel/vmem.c
gcc -ffreestanding -std=gnu99 -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
mem.o: kernel/mem.c
gcc -ffreestanding --std=gnu99 -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
e1000.o: kernel/e1000.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
pci.o: kernel/pci.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
console.o: kernel/console.c kernel/console.h
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
interrupts.o: kernel/interrupts.c kernel/interrupts.h
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
keyboard.o: kernel/keyboard.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
vesa.o: kernel/vesa.c
gcc -ffreestanding -std=gnu99 -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
timer.o: kernel/timer.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
shell.o: kernel/shell.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
log.o: lib/logger/log.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
printf.o: lib/printf/printf.c
gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0
kernel.bin: kernel_entry.o kernel.o console.o interrupts.o keyboard.o timer.o floppy.o x86.o shell.o mem.o vmem.o pci.o e1000.o vesa.o log.o printf.o read_eip.o copy_page_physical.o
ld -o $@ -Ttext 0x1000 --oformat binary -melf_i386 $^ -O0
# dump from vbox
dump: FoolOS.img
vboxmanage debugvm FoolOs dumpguestcore --filename dump.elf
xxd dump.elf > dump.xxd
# run in our local bochs
run: FoolOS.img
~/opt/bochs-2.6.6/bochs -q
clean:
-rm *.bin *.o *.img dump.elf dump.xxd bochs.log
.PHONY: all clean
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