rdos/Makefile

PROGRAMS = hello.com sys.com
KERNEL = @rdos.com
DISTFILES = $(KERNEL) $(PROGRAMS)
ROMS =

QEMU = qemu-system-i386
QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))

VERSION = $(shell git log -1 --format=%cd --date=format:%Y%m%d)
PRODUCT = rdos

NASM = nasm
NASM_ARGS = -s -Isrc --before "cpu 8086" -DPRODUCT=$(PRODUCT) -DVERSION=$(VERSION)

QEMU_ARGS += $(shell test -w /dev/kvm && echo --enable-kvm)

ifdef DEBUG
ROMS += dprintf.rom
NASM_ARGS += -l $(basename $@).lst -DDEBUG=1
endif

ifndef DISPLAY
QEMU_ARGS += --display curses
endif

SYS = host/sys.elf
FIXROM = host/fix-rom.elf

.PHONY: default clean qemu-floppy5 qemu-floppy3
.PRECIOUS: %.com

default: fd1440.img

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

# COM programs
%.com: src/%.asm src/*.inc
	$(NASM) $(NASM_ARGS) -l $(@:.com=.lst) -o $@ $<

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

@rdos.com: 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 $(FIXROM)
	$(NASM) $(NASM_ARGS) -o $@ $< && $(FIXROM) $@

fd%.img: $(DISTFILES) $(SYS)
	mformat -C -i $@ -f $* -v "$(PRODUCT) $(VERSION)" ::
	mcopy      -i $@ $(DISTFILES) ::
	$(SYS)        $@ $(KERNEL)

hdd.img: mbr.bs $(KERNEL) fd1440.img
	dd if=mbr.bs bs=512 count=1 of=$@
	dd if=$(KERNEL) bs=512 seek=1 of=$@
	dd if=fd1440.img bs=512 seek=63 of=$@

clean:
	rm -f *.com *.bs *.0 *.lst *.img *.bin *.rom
	rm -f host/*.elf

qemu-floppy3: fd1440.img $(ROMS)
	$(QEMU) $(QEMU_ARGS) -boot a -fda fd1440.img

qemu-floppy5: fd360.img $(ROMS)
	$(QEMU) $(QEMU_ARGS) -boot a -fda fd360.img

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

qemu-uartctrl: uartctrl.rom chartab.bs
	$(QEMU) $(QEMU_ARGS) -option-rom uartctrl.rom -serial stdio -hda chartab.bs

dosbox-%: %.com fd1440.img
	dosbox -c "mount P $(CURDIR)" -c P: -c "IMGMOUNT A: FD1440.IMG -t floppy" -c "$< $(ARGS)" -c pause -c exit

emu2-%: %.com
	emu2 $< $(ARGS)
update makefile: fixes and enable listings per default 2021-12-12 12:50:32 +01:00			`PROGRAMS = hello.com sys.com`
Make boot file name configurable 2021-02-18 20:38:56 +01:00			`KERNEL = @rdos.com`
			`DISTFILES = $(KERNEL) $(PROGRAMS)`
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
Improve build transparency (documentation and inline version number) 2020-09-17 10:59:22 +02:00			`QEMU = qemu-system-i386`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`QEMU_ARGS = $(addprefix --option-rom ,$(ROMS))`
Trying to figure out best directory structure... 2019-03-24 19:30:49 +01:00
Improve build transparency (documentation and inline version number) 2020-09-17 10:59:22 +02:00			`VERSION = $(shell git log -1 --format=%cd --date=format:%Y%m%d)`
Lay out skeletons for FCB handling 2020-10-11 23:33:01 +02:00			`PRODUCT = rdos`
Improve build transparency (documentation and inline version number) 2020-09-17 10:59:22 +02:00
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`NASM = nasm`
update makefile: fixes and enable listings per default 2021-12-12 12:50:32 +01:00			`NASM_ARGS = -s -Isrc --before "cpu 8086" -DPRODUCT=$(PRODUCT) -DVERSION=$(VERSION)`
Revert "Throw out previous x86 stuff" This reverts commit 807db4a592ae207e65ae55efadbd520323ccdf64. 2020-03-01 13:03:35 +01:00
Makefile: Fix KVM detection to not trigger on weird ass make versions 2020-10-20 23:03:47 +02:00			`QEMU_ARGS += $(shell test -w /dev/kvm && echo --enable-kvm)`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
			`ifdef DEBUG`
Make dprintf the default debugging facility 2020-08-15 22:58:40 +02:00			`ROMS += dprintf.rom`
Remove rom and pxe boot related stuff I dont intend to ever implement that 2021-01-23 18:44:15 +01:00			`NASM_ARGS += -l $(basename $@).lst -DDEBUG=1`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`endif`

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

New bootloader concept: sys-like util to generate a boot sector Right now only floppies are supported 2021-02-03 01:27:44 +01:00			`SYS = host/sys.elf`
			`FIXROM = host/fix-rom.elf`

Remove rom and pxe boot related stuff I dont intend to ever implement that 2021-01-23 18:44:15 +01:00			`.PHONY: default clean qemu-floppy5 qemu-floppy3`
sys: parse drive number and load BPB 2021-12-11 17:46:00 +01:00			`.PRECIOUS: %.com`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Load kernel from reserved sectors in fatfs 2020-09-17 07:57:46 +02:00			`default: fd1440.img`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
			`# Host utils`
New bootloader concept: sys-like util to generate a boot sector Right now only floppies are supported 2021-02-03 01:27:44 +01:00			`host/%.elf: host/%.c`
i still dont know what im doing 2020-03-01 17:43:23 +01:00			`$(CC) -o $@ $<`

			`# COM programs`
sys: parse drive number and load BPB 2021-12-11 17:46:00 +01:00			`%.com: src/%.asm src/*.inc`
update makefile: fixes and enable listings per default 2021-12-12 12:50:32 +01:00			`$(NASM) $(NASM_ARGS) -l $(@:.com=.lst) -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 $@ $<`
Fixes for makefile 2020-03-01 18:08:25 +01:00
Restructure kernel to use 1-segment COM convention 2021-02-07 17:17:31 +01:00			`@rdos.com: kernel/*.asm`
Split out kernel components in kernel/ 2020-04-27 15:56:41 +02:00
Pave way for supporting FAT16 and FAT12 2020-04-06 21:20:15 +02:00			`# Special case: variations of FAT vbr`
			`fat1.bs: boot/fat.asm`
			`$(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`
New bootloader concept: sys-like util to generate a boot sector Right now only floppies are supported 2021-02-03 01:27:44 +01:00			`%.rom: rom/%.asm $(FIXROM)`
			`$(NASM) $(NASM_ARGS) -o $@ $< && $(FIXROM) $@`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
New bootloader concept: sys-like util to generate a boot sector Right now only floppies are supported 2021-02-03 01:27:44 +01:00			`fd%.img: $(DISTFILES) $(SYS)`
update makefile: fixes and enable listings per default 2021-12-12 12:50:32 +01:00			`mformat -C -i $@ -f $* -v "$(PRODUCT) $(VERSION)" ::`
Revert to more sensible kernel.bs boot scheme I think i should consider it a necessity that the kernel is accessible as a regular file. This makes installing rdos on another blockdev much easier. 2020-09-20 19:58:19 +02:00			`mcopy -i $@ $(DISTFILES) ::`
Make boot file name configurable 2021-02-18 20:38:56 +01:00			`$(SYS) $@ $(KERNEL)`
qemu-hdd: Use hdd image with full partition table 2020-04-21 20:22:32 +02:00
Make boot file name configurable 2021-02-18 20:38:56 +01:00			`hdd.img: mbr.bs $(KERNEL) fd1440.img`
Re-add support for booting from qemu harddisk 2021-02-18 20:00:54 +01:00			`dd if=mbr.bs bs=512 count=1 of=$@`
Make boot file name configurable 2021-02-18 20:38:56 +01:00			`dd if=$(KERNEL) bs=512 seek=1 of=$@`
Re-add support for booting from qemu harddisk 2021-02-18 20:00:54 +01:00			`dd if=fd1440.img bs=512 seek=63 of=$@`

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`
New bootloader concept: sys-like util to generate a boot sector Right now only floppies are supported 2021-02-03 01:27:44 +01:00			`rm -f host/*.elf`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Add support for floppy types with other geometry than 18/2/80 2020-12-18 19:29:26 +01:00			`qemu-floppy3: fd1440.img $(ROMS)`
Load kernel from reserved sectors in fatfs 2020-09-17 07:57:46 +02:00			`$(QEMU) $(QEMU_ARGS) -boot a -fda fd1440.img`
i still dont know what im doing 2020-03-01 17:43:23 +01:00
Add support for floppy types with other geometry than 18/2/80 2020-12-18 19:29:26 +01:00			`qemu-floppy5: fd360.img $(ROMS)`
Single out PSP management 2021-01-21 23:28:57 +01:00			`$(QEMU) $(QEMU_ARGS) -boot a -fda fd360.img`
Re-add support for booting from qemu harddisk 2021-02-18 20:00:54 +01:00
			`qemu-hdd: hdd.img $(ROMS)`
			`$(QEMU) $(QEMU_ARGS) -boot c -hda hdd.img`
Add uartctrl.rom: Control PC via COM1 attached terminal 2021-04-04 23:41:22 +02:00
uartctrl: Implement CP437 to DEC VT character conversion 2021-04-05 20:59:44 +02:00			`qemu-uartctrl: uartctrl.rom chartab.bs`
			`$(QEMU) $(QEMU_ARGS) -option-rom uartctrl.rom -serial stdio -hda chartab.bs`
Makefile: allow COM program testing via dosbox 2021-04-20 18:27:32 +02:00
sys: parse drive number and load BPB 2021-12-11 17:46:00 +01:00			`dosbox-%: %.com fd1440.img`
makefile: cosmetics 2021-12-14 18:44:18 +01:00			`dosbox -c "mount P $(CURDIR)" -c P: -c "IMGMOUNT A: FD1440.IMG -t floppy" -c "$< $(ARGS)" -c pause -c exit`
sys: parse drive number and load BPB 2021-12-11 17:46:00 +01:00
			`emu2-%: %.com`
			`emu2 $< $(ARGS)`