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Use COM-based format, get bootloader working

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This commit is contained in:
Nero 2019-09-08 01:04:01 +00:00
parent 11b4d07dc1
commit d853b87ec7
4 changed files with 201 additions and 207 deletions
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12
Makefile
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@ -25,8 +25,8 @@ endif
default: kernel.rom
kernel.rom: kernel/*.asm lib/*.inc
nasm -s -o $@ -I lib -I kernel kernel/main.asm && scripts/fix-rom.sh $@
kernel.com: kernel/*.asm lib/*.inc
nasm -s -o $@ -I lib -I kernel kernel/main.asm
debug.rom: debug/*.asm lib/*.inc
nasm -s -o $@ -I lib -I debug debug/main.asm && scripts/fix-rom.sh $@
@ -34,11 +34,11 @@ debug.rom: debug/*.asm lib/*.inc
boot/%.bin: boot/%.asm lib/*.inc
nasm -s -o $@ -I boot -I lib $<
fdimage.img: boot/floppy.bin kernel.rom
fdimage.img: boot/floppy.bin kernel.com
dd if=/dev/zero bs=512 count=$$(( $(FD_CYLINDERS) * $(FD_HEADS) * $(FD_SECTORS) )) of=$@
mformat -i $@ -t $(FD_CYLINDERS) -h $(FD_HEADS) -n $(FD_SECTORS) -B boot/floppy.bin ::
mcopy -i $@ kernel.rom ::kernel.rom
mattrib -i $@ +s ::kernel.rom
mcopy -i $@ kernel.com ::kernel.com
mattrib -i $@ +s ::kernel.com
clean:
rm -f *.com *.bin *.rom *.img *.log boot/*.bin
@ -47,7 +47,7 @@ qemu-rom: kernel.rom $(DEBUGROM)
$(QEMU) $(QEMU_ARGS) -option-rom kernel.rom
qemu-floppy: fdimage.img $(DEBUGROM)
$(QEMU) $(QEMU_ARGS) -boot c -hda fdimage.img
$(QEMU) $(QEMU_ARGS) -boot c -fda fdimage.img
qemu-serial: boot/serial.bin $(DEBUGROM)
$(QEMU) $(QEMU_ARGS) -hda boot/serial.bin