Author: mcayland Date: Sun Jun 21 20:52:51 2015 New Revision: 1346 URL: http://tracker.coreboot.org/trac/openbios/changeset/1346 Log: ppc: add Apple copyright injection to adler32 Since Mac OS 9 and BootX are the only known users of the adler32 word, we use the word to add an Apple copyright message to the device tree in order to allow OS 9 to boot. Signed-off-by: Cormac O'Brien <i.am.cormac.obrien@gmail.com> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Modified: trunk/openbios-devel/arch/ppc/qemu/init.c trunk/openbios-devel/arch/ppc/qemu/qemu.fs Modified: trunk/openbios-devel/arch/ppc/qemu/init.c ============================================================================== --- trunk/openbios-devel/arch/ppc/qemu/init.c Sun Jun 21 20:52:47 2015 (r1345) +++ trunk/openbios-devel/arch/ppc/qemu/init.c Sun Jun 21 20:52:51 2015 (r1346) @@ -1006,7 +1006,7 @@ bind_func("filll", ffilll); /* Implementation of adler32 word (required by OS 9, BootX) */ - bind_func("adler32", adler32); + bind_func("(adler32)", adler32); bind_func("platform-boot", boot); bind_func("(go)", go); Modified: trunk/openbios-devel/arch/ppc/qemu/qemu.fs ============================================================================== --- trunk/openbios-devel/arch/ppc/qemu/qemu.fs Sun Jun 21 20:52:47 2015 (r1345) +++ trunk/openbios-devel/arch/ppc/qemu/qemu.fs Sun Jun 21 20:52:51 2015 (r1346) @@ -93,3 +93,31 @@ :noname set-defaults ; PREPOST-initializer + +\ ------------------------------------------------------------------------- +\ Adler-32 wrapper +\ ------------------------------------------------------------------------- + +: adler32 ( adler buf len -- checksum ) + \ Since Mac OS 9 is the only system using this word, we take this + \ opportunity to inject a copyright message that is necessary for the + \ system to boot. + " Copyright 1983-2001 Apple Computer, Inc. THIS MESSAGE FOR COMPATIBILITY ONLY" + encode-string " copyright" + " /" find-package if + " set-property" $find if + execute + else + 3drop drop + then + then + + ( adler buf len ) + + " (adler32)" $find if + execute + else + ." Can't find " ( adler32-name ) type cr + 3drop 0 + then +;