@@ -1,7 +1,16 @@ -images: grub.img cleese.img +# note: this will deliberately fail to make without an empty-disk because +# you need to do 'make empty-disk' then manually setup grub on it before +# running 'make' + +all: cleese.img + +.PHONY: empty-disk clean clobber + +clobber: clean + -rm -f grub.img empty.img clean: - -rm -f grub.img cleese.img + -rm -f cleese.img $(MAKE) -C hello_world clean $(MAKE) -C echo clean @@ -14,19 +23,17 @@ hello_world/KERNEL.BIN: echo/KERNEL.BIN: $(MAKE) -C echo -cleese.img: hello_world/KERNEL.BIN echo/KERNEL.BIN - hdiutil create -size 5M -fs "MS-DOS" -layout NONE cleese - mv cleese.dmg cleese.img +empty-disk: + hdiutil create -size 5M -fs "MS-DOS" -layout NONE empty + mv empty.dmg empty.img mkdir -p mnt - mount_msdos -o nosync `hdid -nomount cleese.img` ./mnt - cp -r boot ./mnt # @@@ is this even needed? - cp menu.lst ./mnt/boot/grub - cp hello_world/KERNEL.BIN ./mnt/hello_world.bin - cp echo/KERNEL.BIN ./mnt/echo.bin + mount_msdos -o nosync `hdid -nomount empty.img` ./mnt + cp -r boot ./mnt umount -f ./mnt rm -r ./mnt -update-image: +cleese.img: empty.img hello_world/KERNEL.BIN echo/KERNEL.BIN menu.lst + cp empty.img cleese.img mkdir -p mnt mount_msdos -o nosync `hdid -nomount cleese.img` ./mnt cp menu.lst ./mnt/boot/grub Makefile @@ -1,13 +1,12 @@ After you have built the custom toolchain for i386-elf, run -(cd hello_world; make) -(cd echo; make) -make images +make grub.img +make empty-disk In VirtualBox, create an other/unknown VM (no harddrive) -Add both grub.img and cleese.img as floppies in Virtual Media Manager. +Add both grub.img and empty.img as floppies in Virtual Media Manager. Mount grub.img as floppy and boot. @@ -15,8 +14,13 @@ Once you have the prompt ready change the floppy to cleese.img. Then type in the shell: setup (fd0) - reboot + +Then run + + make + +which will build the various kernels and create cleese.img. From that point on, just booting cleese.img floppy will work. -If you rebuilt any kernels, run make update-image to update cleese.img +If you rebuilt any kernels, run make update cleese.img SETTING_UP_DISKS b3e712bdef2aec57378cfc767f7c927f94151a75 James Tauber jtauber@jtauber.com http://github.com/jtauber/cleese/commit/15296e19b00cfe252c9b41cd3cafe5b5461389b9 15296e19b00cfe252c9b41cd3cafe5b5461389b9 2009-10-10T23:01:42-07:00 2009-10-10T23:01:42-07:00 changed creation of empty disk to be new phony target to avoid accidently blowing it away on make f28d247b31026a31e0046ae2ee036f0113cc62d0 James Tauber jtauber@jtauber.com