Skip to content

Instantly share code, notes, and snippets.

@vasi
Last active August 29, 2025 19:20
Show Gist options
  • Select an option

  • Save vasi/99775fc895ea1d86e90613d5080437a8 to your computer and use it in GitHub Desktop.

Select an option

Save vasi/99775fc895ea1d86e90613d5080437a8 to your computer and use it in GitHub Desktop.
mkofboot.sh
#!/bin/bash
output=${1-ofboot}
count=0
entries=()
addentry() {
count=$((count + 1))
entries+=("$@")
}
addentry yaboot 'Yellowdog' y fwd:12, yaboot
addentry internal 'Internal Mac OS 9' i hd:9, '\\\\:tbxi'
addentry fw9 'FW Mac OS 9' 9 fwd:10, '\\\\:tbxi'
addentry fwx 'FW Mac OS X' x fwd:11, '\\\\:tbxi'
addentry sid 'Debian sid' d fwd:18, grub
addentry lubuntu 'Lubuntu' l fwd:22, yaboot
addentry arch 'ArchPower' a fwd:20, grub
addentry of 'OpenFirmware' o quit now
default=bootarch
timeout=5
fgcolor=f # white
bgcolor=0 # black
cp $(sh /usr/lib/yaboot/ofboot $count $default $timeout $fgcolor $bgcolor "${entries[@]}") $output
<CHRP-BOOT>
<COMPATIBLE>
MacRISC MacRISC3 MacRISC4
</COMPATIBLE>
<DESCRIPTION>
Yellow Dog Linux First Stage Bootstrap
</DESCRIPTION>
<BOOT-SCRIPT>
: .printf fb8-write drop ;
: bootyaboot " Loading second stage bootstrap..." .printf 100 ms load-base release-load-area " fwd:12,yaboot" $boot ;
: bootinternal " Booting Internal Mac OS 9..." .printf 100 ms load-base release-load-area " hd:9,\\:tbxi" $boot ;
: bootfw9 " Booting FW Mac OS 9..." .printf 100 ms load-base release-load-area " fwd:10,\\:tbxi" $boot ;
: bootfwx " Booting FW Mac OS X..." .printf 100 ms load-base release-load-area " fwd:11,\\:tbxi" $boot ;
: bootsid " Booting Debian sid..." .printf 100 ms load-base release-load-area " fwd:18,grub" $boot ;
: bootlubuntu " Booting Lubuntu..." .printf 100 ms load-base release-load-area " fwd:22,yaboot" $boot ;
: bootarch " Booting ArchPower..." .printf 100 ms load-base release-load-area " fwd:20,grub" $boot ;
: bootof " Booting OpenFirmware..." .printf 100 ms quit ;
" screen" output
variable interactive
1 interactive !
0 interactive @ = if
bootyaboot
then
dev screen
" "(0000000000aa00aa0000aaaaaa0000aa00aaaa5500aaaaaa)" drop 0 7 set-colors
" "(5555555555ff55ff5555ffffff5555ff55ffffff55ffffff)" drop 8 15 set-colors
device-end
f to foreground-color
0 to background-color
" "(0C)" .printf
" First Stage Yellow Dog Linux Bootstrap"(0d 0a)" .printf
" "(0d 0a)" .printf
" Press y for Yellow Dog Linux,"(0d 0a)" .printf
" i for Internal Mac OS 9,"(0d 0a)" .printf
" 9 for FW Mac OS 9,"(0d 0a)" .printf
" x for FW Mac OS X,"(0d 0a)" .printf
" d for Debian sid,"(0d 0a)" .printf
" l for Lubuntu,"(0d 0a)" .printf
" a for ArchPower,"(0d 0a)" .printf
" o for OpenFirmware."(0d 0a)" .printf
" "(0d 0a)" .printf
" Stage 1 Boot: " .printf
get-msecs d# 5 3E8 * +
begin
key? if
key case
ascii y of " y "(0d 0a)" .printf bootyaboot endof
ascii i of " i "(0d 0a)" .printf bootinternal endof
ascii 9 of " 9 "(0d 0a)" .printf bootfw9 endof
ascii x of " x "(0d 0a)" .printf bootfwx endof
ascii d of " d "(0d 0a)" .printf bootsid endof
ascii l of " l "(0d 0a)" .printf bootlubuntu endof
ascii a of " a "(0d 0a)" .printf bootarch endof
ascii o of " o "(0d 0a)" .printf bootof endof
endcase
then
dup get-msecs &lt;
until
drop
" "(0d 0a)" .printf bootarch
</BOOT-SCRIPT>
<OS-BADGE-ICONS>
1010
000000000000F8FEACF6000000000000
0000000000F5FFFFFEFEF50000000000
00000000002BFAFEFAFCF70000000000
0000000000F65D5857812B0000000000
0000000000F5350B2F88560000000000
0000000000F6335708F8FE0000000000
00000000005600F600F5FD8100000000
00000000F9F8000000F5FAFFF8000000
000000008100F5F50000F6FEFE000000
000000F8F700F500F50000FCFFF70000
00000088F70000F50000F5FCFF2B0000
0000002F582A00F5000008ADE02C0000
00090B0A35A62B0000002D3B350A0000
000A0A0B0B3BF60000505E0B0A0B0A00
002E350B0B2F87FAFCF45F0B2E090000
00000007335FF82BF72B575907000000
000000000000ACFFFF81000000000000
000000000081FFFFFFFF810000000000
0000000000FBFFFFFFFFAC0000000000
000000000081DFDFDFFFFB0000000000
000000000081DD5F83FFFD0000000000
000000000081DDDF5EACFF0000000000
0000000000FDF981F981FFFF00000000
00000000FFACF9F9F981FFFFAC000000
00000000FFF98181F9F981FFFF000000
000000ACACF981F981F9F9FFFFAC0000
000000FFACF9F981F9F981FFFFFB0000
00000083DFFBF981F9F95EFFFFFC0000
005F5F5FDDFFFBF9F9F983DDDD5F0000
005F5F5F5FDD81F9F9E7DF5F5F5F5F00
0083DD5F5F83FFFFFFFFDF5F835F0000
000000FBDDDFACFBACFBDFDFFB000000
000000000000FFFFFFFF000000000000
0000000000FFFFFFFFFFFF0000000000
0000000000FFFFFFFFFFFF0000000000
0000000000FFFFFFFFFFFF0000000000
0000000000FFFFFFFFFFFF0000000000
0000000000FFFFFFFFFFFF0000000000
0000000000FFFFFFFFFFFFFF00000000
00000000FFFFFFFFFFFFFFFFFF000000
00000000FFFFFFFFFFFFFFFFFF000000
000000FFFFFFFFFFFFFFFFFFFFFF0000
000000FFFFFFFFFFFFFFFFFFFFFF0000
000000FFFFFFFFFFFFFFFFFFFFFF0000
00FFFFFFFFFFFFFFFFFFFFFFFFFF0000
00FFFFFFFFFFFFFFFFFFFFFFFFFFFF00
00FFFFFFFFFFFFFFFFFFFFFFFFFF0000
000000FFFFFFFFFFFFFFFFFFFF000000
</OS-BADGE-ICONS>
</CHRP-BOOT>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment