diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 111 |
1 files changed, 38 insertions, 73 deletions
@@ -5,8 +5,7 @@ # # ##################### -#TODO: use implicit rules !! - +#improve implicit rules #lets use the size of a 1.44 floppy for a start for our boot img IMAGE_SIZE=1474560 @@ -14,99 +13,65 @@ IMAGE_SIZE=1474560 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) > $@ +#DATA_START=32768 -FoolData.img: binfont.bin - cat $^ > $@ +SOURCES=$(wildcard ./kernel/*.c) +SOURCES+=$(wildcard ./lib/*/*.c) +ASMSOURCES=$(wildcard ./asm/*.asm) -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 $@ +OBJECTS=$(patsubst %.c, %.o, $(SOURCES)) +ASMOBJECTS=$(patsubst %.asm, %.o, $(ASMSOURCES)) -#this is the MASTER BOOT RECORD, where our bootloader lives -mbr.bin: boot/mbr.asm - nasm -f bin $^ -o $@ +MBR=./boot/mbr.bin +KERNEL_ENTRY=./boot/kernel_entry.o +FILLUP=./data/fill.bin -kernel_entry.o: boot/kernel_entry.asm - nasm -f elf $^ -o $@ +CFLAGS=-ffreestanding -std=gnu99 -m32 -fno-asynchronous-unwind-tables -O0 -read_eip.o: asm/read_eip.asm - nasm -f elf $^ -o $@ +#default target +#final image +all: FoolOS.img -copy_page_physical.o: asm/copy_page_physical.asm +# some implicit rule patterns for aseembling (elf and binary) +%.o: %.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 +%.bin: %.asm + nasm -f bin $^ -o $@ -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 +# explicit rule to create fool-font data binary +binfont.bin: data/binfont.src + python tools/binarize.py $< $@ -console.o: kernel/console.c kernel/console.h - gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0 +#assembling of final image +FoolOS.img: Fool.img FoolData.img $(FILLUP) + cat $^ | head -c $(IMAGE_SIZE) > $@ -interrupts.o: kernel/interrupts.c kernel/interrupts.h - gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0 +Fool.img: $(MBR) kernel.bin $(FILLUP) + cat $^ | head -c $(FONT_DATA_START) > $@ -keyboard.o: kernel/keyboard.c - gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0 +FoolData.img: binfont.bin + cat $^ > $@ -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 +# kernel_entry.o needs to be FIRST!! +kernel.bin: $(KERNEL_ENTRY) $(ASMOBJECTS) $(OBJECTS) + ld -o $@ -Ttext 0x1000 --oformat binary -melf_i386 $^ -O0 -log.o: lib/logger/log.c - gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0 +##### cleanup ##### -printf.o: lib/printf/printf.c - gcc -ffreestanding -m32 -o $@ -c $< -fno-asynchronous-unwind-tables -O0 +clean: + -rm *.bin *.img bochs.log $(KERNEL_ENTRY) $(ASMOBJECTS) $(OBJECTS) $(FILLUP) $(MBR) -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 +###### virtual machine stuff ###### # dump from vbox -dump: FoolOS.img - vboxmanage debugvm FoolOs dumpguestcore --filename dump.elf - xxd dump.elf > dump.xxd +#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 |