[ppc patch] trap on abort

[Hollis Blanchard]

for (;;) is really only useful if one has a hardware debugger, which I 
do not. By executing a "trap" instruction, Open Firmware's exception 
handler is called and we have some limited debug ability, which is 
better than what we get from an infinite loop.

Similarly I think grub_stop() should call grub_ieee1275_exit(), but I 
omit that for now because we should also free up all the memory we've 
claimed first, and I don't have code for that yet.

2004-09-13      Hollis Blanchard        <address@hidden>

        * kern/powerpc/ieee1275/init.c (abort): trap into Open Firmware

-Hollis

07-ppc-abort.diff
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