rdos/Makefile

FLOPPY = 1440

PROGRAMS = hello.com
DISTFILES = $(PROGRAMS) kernel.bs
ROMS =

QEMU_ARCH = $(shell uname -m)
QEMU = qemu-system-$(QEMU_ARCH)
QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))

NASM = nasm
NASM_ARGS = -s -Ilib -DFLOPPY=$(FLOPPY)

EMUL = utils/emul

ifdef KVM
QEMU_ARGS += --enable-kvm
endif

ifdef DEBUG
ROMS += dprintf.rom
NASM_ARGS += -l $(basename $@).lst
endif

ifndef DISPLAY
QEMU_ARGS += --display curses
endif

.PHONY: default bootstrap clean qemu-rom qemu-floppy qemu-pxe

default: fdimage.img

# Host utils
utils/%: %.c
	mkdir -p utils
	$(CC) -o $@ $<

# COM programs
%.com: com/%.asm
	$(NASM) $(NASM_ARGS) -o $@ $<

# Bootloaders, first sector on partition
%.bs: boot/%.asm
	$(NASM) $(NASM_ARGS) -o $@ $<

kernel.bs: kernel/*.asm

# Special case: variations of FAT vbr
fat1.bs: boot/fat.asm
	$(NASM) $(NASM_ARGS) -DFAT12 -DCHS -o $@ $<

fat4.bs: boot/fat.asm
	$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -o $@ $<

fat6.bs: boot/fat.asm
	$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -DLARGE -o $@ $<

# BIOS option roms
%.rom: rom/%.asm utils/fix-rom
	$(NASM) $(NASM_ARGS) -o $@ $< && utils/fix-rom $@

fdimage.img: fat1.bs $(DISTFILES)
	mformat -C -i $@ -f $(FLOPPY) -B fat1.bs ::
	mmd -i $@ ::rdos
	mcopy -i $@ $(DISTFILES) ::rdos
	mattrib -i $@ +s ::rdos ::rdos/kernel.bs

hdimage.img: mbr.bs fdimage.img
	cat mbr.bs fdimage.img >$@

part.img: fatc.bs $(DISTFILES)
	dd if=/dev/zero bs=1024 count=33k of=$@
	mformat -i $@ -F -B fatc.bs ::
	mmd -i $@ ::rdos
	mcopy -i $@ $(DISTFILES) ::rdos
	mattrib -i $@ +s ::rdos ::rdos/kernel.bs

hdd.img: part.img mbr.bs
	cat mbr.bs part.img > $@

clean:
	rm -f *.com *.bs *.0 *.lst *.img *.bin *.rom
	rm -rf utils

qemu-floppy: fdimage.img $(ROMS)
	$(QEMU) $(QEMU_ARGS) -boot a -fda fdimage.img

qemu-hdd: hdd.img $(ROMS)
	$(QEMU) $(QEMU_ARGS) -boot c -hda hdd.img

qemu-pxe: pxeboot.0 $(ROMS)
	$(QEMU) $(QEMU_ARGS) -boot n \
		-option-rom /usr/share/qemu/pxe-rtl8139.rom \
		-device e1000,netdev=mynet0,mac=52:54:00:12:34:56 \
		-netdev user,id=mynet0,net=192.168.76.0/24,dhcpstart=192.168.76.9,tftp=$(CURDIR),bootfile=pxeboot.0

qemu-rom: kernel.rom
	$(QEMU) $(QEMU_ARGS) --option-rom kernel.rom
Make kernel and fat.bs use BPB struct 2020-09-15 21:38:26 +02:00			`FLOPPY = 1440`
qemu: Dont try to use display if there is none 2019-09-04 15:38:32 +02:00
random fixes 2020-03-02 13:10:21 +01:00			`PROGRAMS = hello.com`
Advance on bootloader: load cluster data 2020-03-25 22:19:40 +01:00			`DISTFILES = $(PROGRAMS) kernel.bs`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`ROMS =`
Reduce amount of scripts in root directory 2019-04-21 12:14:06 +02:00
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`QEMU_ARCH = $(shell uname -m)`
			`QEMU = qemu-system-$(QEMU_ARCH)`
			`QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))`
Trying to figure out best directory structure... 2019-03-24 19:30:49 +01:00
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`NASM = nasm`
Fix rom builds 2020-04-04 23:04:36 +02:00			`NASM_ARGS = -s -Ilib -DFLOPPY=$(FLOPPY)`
Revert "Throw out previous x86 stuff" This reverts commit 807db4a592ae207e65ae55efadbd520323ccdf64. 2020-03-01 13:03:35 +01:00
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`EMUL = utils/emul`

			`ifdef KVM`
			`QEMU_ARGS += --enable-kvm`
			`endif`

			`ifdef DEBUG`
Make dprintf the default debugging facility 2020-08-15 22:58:40 +02:00			`ROMS += dprintf.rom`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`NASM_ARGS += -l $(basename $@).lst`
			`endif`

			`ifndef DISPLAY`
			`QEMU_ARGS += --display curses`
			`endif`

			`.PHONY: default bootstrap clean qemu-rom qemu-floppy qemu-pxe`

			`default: fdimage.img`

			`# Host utils`
Fixes for makefile 2020-03-01 18:08:25 +01:00			`utils/%: %.c`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`mkdir -p utils`
			`$(CC) -o $@ $<`

			`# COM programs`
Split code up into directories for bs and com binaries 2020-03-30 14:13:21 +02:00			`%.com: com/%.asm`
Remove BASE macro and companions 2020-03-31 21:46:59 +02:00			`$(NASM) $(NASM_ARGS) -o $@ $<`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
			`# Bootloaders, first sector on partition`
Split code up into directories for bs and com binaries 2020-03-30 14:13:21 +02:00			`%.bs: boot/%.asm`
Remove BASE macro and companions 2020-03-31 21:46:59 +02:00			`$(NASM) $(NASM_ARGS) -o $@ $<`
Fixes for makefile 2020-03-01 18:08:25 +01:00
Split out kernel components in kernel/ 2020-04-27 15:56:41 +02:00			`kernel.bs: kernel/*.asm`

Pave way for supporting FAT16 and FAT12 2020-04-06 21:20:15 +02:00			`# Special case: variations of FAT vbr`
			`fat1.bs: boot/fat.asm`
			`$(NASM) $(NASM_ARGS) -DFAT12 -DCHS -o $@ $<`

			`fat4.bs: boot/fat.asm`
			`$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -o $@ $<`

			`fat6.bs: boot/fat.asm`
			`$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -DLARGE -o $@ $<`

Fixes for makefile 2020-03-01 18:08:25 +01:00			`# BIOS option roms`
Make dprintf the default debugging facility 2020-08-15 22:58:40 +02:00			`%.rom: rom/%.asm utils/fix-rom`
Remove BASE macro and companions 2020-03-31 21:46:59 +02:00			`$(NASM) $(NASM_ARGS) -o $@ $< && utils/fix-rom $@`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Pave way for supporting FAT16 and FAT12 2020-04-06 21:20:15 +02:00			`fdimage.img: fat1.bs $(DISTFILES)`
			`mformat -C -i $@ -f $(FLOPPY) -B fat1.bs ::`
			`mmd -i $@ ::rdos`
			`mcopy -i $@ $(DISTFILES) ::rdos`
			`mattrib -i $@ +s ::rdos ::rdos/kernel.bs`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Start working on FAT32 bootloader 2020-03-16 18:24:39 +01:00			`hdimage.img: mbr.bs fdimage.img`
			`cat mbr.bs fdimage.img >$@`

Pave way for supporting FAT16 and FAT12 2020-04-06 21:20:15 +02:00			`part.img: fatc.bs $(DISTFILES)`
Start working on FAT32 bootloader 2020-03-16 18:24:39 +01:00			`dd if=/dev/zero bs=1024 count=33k of=$@`
Pave way for supporting FAT16 and FAT12 2020-04-06 21:20:15 +02:00			`mformat -i $@ -F -B fatc.bs ::`
add kernel stub to distfiles this way i can test if the bootloader works as intended 2020-03-25 21:56:00 +01:00			`mmd -i $@ ::rdos`
			`mcopy -i $@ $(DISTFILES) ::rdos`
Mark path to kernel file with +s This is actually a much easier way to find the kernel file than comparing filenames and helps reducing the size of the bootsector. 2020-03-30 14:35:59 +02:00			`mattrib -i $@ +s ::rdos ::rdos/kernel.bs`
Get MBR ready, add hdimage target 2019-09-18 00:41:39 +02:00
qemu-hdd: Use hdd image with full partition table 2020-04-21 20:22:32 +02:00			`hdd.img: part.img mbr.bs`
Fix building of hdd image 2020-04-22 21:44:43 +02:00			`cat mbr.bs part.img > $@`
qemu-hdd: Use hdd image with full partition table 2020-04-21 20:22:32 +02:00
Trying to figure out best directory structure... 2019-03-24 19:30:49 +01:00			`clean:`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`rm -f .com .bs .0 .lst .img .bin *.rom`
Fixes for makefile 2020-03-01 18:08:25 +01:00			`rm -rf utils`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
			`qemu-floppy: fdimage.img $(ROMS)`
			`$(QEMU) $(QEMU_ARGS) -boot a -fda fdimage.img`

qemu-hdd: Use hdd image with full partition table 2020-04-21 20:22:32 +02:00			`qemu-hdd: hdd.img $(ROMS)`
			`$(QEMU) $(QEMU_ARGS) -boot c -hda hdd.img`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Start working on FAT32 bootloader 2020-03-16 18:24:39 +01:00			`qemu-pxe: pxeboot.0 $(ROMS)`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`$(QEMU) $(QEMU_ARGS) -boot n \`
			`-option-rom /usr/share/qemu/pxe-rtl8139.rom \`
			`-device e1000,netdev=mynet0,mac=52:54:00:12:34:56 \`
Start working on FAT32 bootloader 2020-03-16 18:24:39 +01:00			`-netdev user,id=mynet0,net=192.168.76.0/24,dhcpstart=192.168.76.9,tftp=$(CURDIR),bootfile=pxeboot.0`
Start working on rom-based kernel 2020-05-29 00:32:30 +02:00
			`qemu-rom: kernel.rom`
			`$(QEMU) $(QEMU_ARGS) --option-rom kernel.rom`