2021-12-12 12:50:32 +01:00
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PROGRAMS = hello.com sys.com
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2021-02-18 20:38:56 +01:00
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KERNEL = @rdos.com
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DISTFILES = $(KERNEL) $(PROGRAMS)
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2019-04-21 12:14:06 +02:00
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2021-12-14 18:44:39 +01:00
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VERSION = $(shell git log -1 --format=%cd --date=format:%Y%m%d)
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PRODUCT = rdos
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2020-09-17 10:59:22 +02:00
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QEMU = qemu-system-i386
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2021-12-14 18:44:39 +01:00
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QEMU_ARGS += $(shell test -w /dev/kvm && echo --enable-kvm)
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2019-03-24 19:30:49 +01:00
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2021-12-14 18:44:39 +01:00
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METRIC = stat -c '%8s %n'
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2020-09-17 10:59:22 +02:00
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2020-03-01 17:43:23 +01:00
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NASM = nasm
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2021-12-12 12:50:32 +01:00
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NASM_ARGS = -s -Isrc --before "cpu 8086" -DPRODUCT=$(PRODUCT) -DVERSION=$(VERSION)
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2020-03-01 13:03:35 +01:00
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2020-03-01 17:43:23 +01:00
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ifndef DISPLAY
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QEMU_ARGS += --display curses
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endif
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2021-02-03 01:27:44 +01:00
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SYS = host/sys.elf
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2021-01-23 18:44:15 +01:00
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.PHONY: default clean qemu-floppy5 qemu-floppy3
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2021-12-11 17:46:00 +01:00
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.PRECIOUS: %.com
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2020-03-01 17:43:23 +01:00
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2020-09-17 07:57:46 +02:00
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default: fd1440.img
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2020-03-01 17:43:23 +01:00
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# Host utils
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2021-02-03 01:27:44 +01:00
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host/%.elf: host/%.c
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2020-03-01 17:43:23 +01:00
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$(CC) -o $@ $<
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# COM programs
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2021-12-11 17:46:00 +01:00
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%.com: src/%.asm src/*.inc
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2021-12-12 12:50:32 +01:00
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$(NASM) $(NASM_ARGS) -l $(@:.com=.lst) -o $@ $<
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2021-12-14 18:44:39 +01:00
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$(METRIC) $@
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2020-03-01 17:43:23 +01:00
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2021-12-29 01:46:49 +01:00
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%.hex: src/%.asm src/*.inc
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$(NASM) $(NASM_ARGS) -f ith -l $(@:.hex=.lst) -o $@ $<
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2020-03-01 17:43:23 +01:00
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# Bootloaders, first sector on partition
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2020-03-30 14:13:21 +02:00
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%.bs: boot/%.asm
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2020-03-31 21:46:59 +02:00
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$(NASM) $(NASM_ARGS) -o $@ $<
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2020-03-01 18:08:25 +01:00
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2021-02-07 17:17:31 +01:00
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@rdos.com: kernel/*.asm
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2020-04-27 15:56:41 +02:00
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2020-04-06 21:20:15 +02:00
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# Special case: variations of FAT vbr
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fat1.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT12 -DCHS -o $@ $<
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fat4.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -o $@ $<
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fat6.bs: boot/fat.asm
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$(NASM) $(NASM_ARGS) -DFAT16 -DCHS -DLARGE -o $@ $<
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2021-02-03 01:27:44 +01:00
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fd%.img: $(DISTFILES) $(SYS)
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2021-12-12 12:50:32 +01:00
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mformat -C -i $@ -f $* -v "$(PRODUCT) $(VERSION)" ::
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2020-09-20 19:58:19 +02:00
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mcopy -i $@ $(DISTFILES) ::
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2021-02-18 20:38:56 +01:00
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$(SYS) $@ $(KERNEL)
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2020-04-21 20:22:32 +02:00
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2021-02-18 20:38:56 +01:00
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hdd.img: mbr.bs $(KERNEL) fd1440.img
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2021-02-18 20:00:54 +01:00
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dd if=mbr.bs bs=512 count=1 of=$@
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2021-02-18 20:38:56 +01:00
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dd if=$(KERNEL) bs=512 seek=1 of=$@
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2021-02-18 20:00:54 +01:00
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dd if=fd1440.img bs=512 seek=63 of=$@
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2019-03-24 19:30:49 +01:00
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clean:
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2021-12-29 01:46:49 +01:00
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rm -f *.com *.bs *.0 *.lst *.img *.bin *.hex
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2021-02-03 01:27:44 +01:00
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rm -f host/*.elf
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2020-03-01 17:43:23 +01:00
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2021-12-14 18:46:22 +01:00
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qemu-floppy3: fd1440.img
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2020-09-17 07:57:46 +02:00
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$(QEMU) $(QEMU_ARGS) -boot a -fda fd1440.img
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2020-03-01 17:43:23 +01:00
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2021-12-14 18:46:22 +01:00
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qemu-floppy5: fd360.img
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2021-01-21 23:28:57 +01:00
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$(QEMU) $(QEMU_ARGS) -boot a -fda fd360.img
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2021-02-18 20:00:54 +01:00
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2021-12-14 18:46:22 +01:00
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qemu-hdd: hdd.img
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2021-02-18 20:00:54 +01:00
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$(QEMU) $(QEMU_ARGS) -boot c -hda hdd.img
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2021-04-04 23:41:22 +02:00
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2021-12-11 17:46:00 +01:00
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dosbox-%: %.com fd1440.img
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2021-12-14 18:44:18 +01:00
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dosbox -c "mount P $(CURDIR)" -c P: -c "IMGMOUNT A: FD1440.IMG -t floppy" -c "$< $(ARGS)" -c pause -c exit
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2021-12-11 17:46:00 +01:00
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emu2-%: %.com
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emu2 $< $(ARGS)
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