The correct place for these questions would be the OpenBIOS list (blatantly cross-posted).
On 7/30/07, Andreas Färber <[EMAIL PROTECTED]> wrote: > > Am 19.07.2007 um 09:23 schrieb Natalia Portillo: > > > El jue, 19-07-2007 a las 00:46 +0200, Andreas Färber escribió: > >> Am 18.07.2007 um 18:26 schrieb Blue Swirl: > >> > >>>>> It looks like open hack'ware is pretty much stalled, so its hard > >>>>> telling > >>>>> what progress will be made futurewise. > >>>> > >>>> Might it be possible to replace it with OpenBIOS? > >>> > >>> Sure, and as both are GPL useful, code can be shared. But some PPC > >>> developers are needed. It may still be easier to fix the OHW bugs > >>> than > >>> start over anew. > >> > >> Not sure I understand... I thought Open Firmware was based on > >> platform independent Forth code? > >> I'm running on ppc64 and could try to compile something under Linux > >> in case that's the problem. > > Yes, OF is basically a Forth-interpreter. > > Of course this Forth-interpreter is in C and compile to machine > > code :p > > Yes, that is obvious. Not so obvious was what ppc *developers* were > needed for. > I got the other answer afterwards saying that HFS etc. support needed > to be added. > > > > Try to compile OpenBIOS under Linux/PPC (using 32bit compiler, not > > ppc64) and comment us. > > I tried SVN HEAD of both fcode-utils and openbios-devel. > > OpenBIOS supposedly has support for ppc and cross-ppc archs but that > is not true. It currently only has support for cross-ppc (for the old > PearPC emulator it seems). I copied these files as ppc_config.xml and > ppc_rules.xml respectively to get the ppc target, in ppc_rules.xml > changed the tool names to use the standard gcc etc. and was able to > compile okay. Products based on this unmodified configuration were > among others an openbios-pearpc.elf file - I thus changed ppc_rom.bin > in some ppc files to this filename. Launching qemu-system-sparc -boot > d -cdrom /dev/cdrom with a Debian Etch DVD inserted resulted in an > opcode error. My guess thus is that this OpenBIOS file is not suited > for qemu in that configuration? > > Some observations that might be of interest: > - OpenBIOS has support for some (not all) PowerPC processors > according to some Readme > - it specifically mentions ppc/AIX and has some apparent IBM > contributions despite the missing ppc target > - the cross-ppc config mentions HFS and HFSP which I guess refer to > HFS and HFS+ filesystems respectively (HFS was set to false, HFSP to > true) > > Maybe someone can shed some more light on what exactly needs to be > changed config-wise or is missing in OpenBIOS or qemu in order to > boot AIX 6 or any Linux. > > Andreas > >
