I am sorry but I dont believe the "mfpvr" instruction has anything to do with it. I thought removing it was getting rid of the problem but I was wrong. The board still gets reset when the very first instruction is executed. I am stumped.
--- annamaya <annamaya at yahoo.com> wrote: > I debugged this problem a little more and realized > that the reset was happenning right after the > execution of the first kernel instruction at > 0x0000000c. The instruction at this location was > "mfpvr r28". I traced this back to a snippet of code > that was dealing with pipeline depth issues on the > MPC8260. Once I commented this code out, more > instructions were issued but the reboot happens > elsewhere. I am not able to pin-point the location > of > the debug since my BDI fails to catch the reset when > it happens. Can someone point me to the cause of > this > situation? Thanks in advance. > > --- annamaya <annamaya at yahoo.com> wrote: > > > I am trying to boot a mvista Linux Kernel ver. > > 2.4.20 > > on a MPC8270 board. I am using the embed_config() > > in > > zImage to pass the board info since the bootloader > > is > > not ppcboot. After the message, "Now booting the > > kernel", the board just reboots, as if someone > > yanked > > the reset line. I have BDI hooked up but it > doesn't > > seem to catch the reset point in the code. And I > am > > unable to trace this to anything in the code. Any > > suggestions? Thanks in advance. > > > > > > > > __________________________________ > > Do you Yahoo!? > > Yahoo! Mail - now with 250MB free storage. Learn > > more. > > http://info.mail.yahoo.com/mail_250 > > _______________________________________________ > > Linuxppc-embedded mailing list > > Linuxppc-embedded at ozlabs.org > > > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > > > > > > __________________________________ > Do you Yahoo!? > Read only the mail you want - Yahoo! Mail SpamGuard. > > http://promotions.yahoo.com/new_mail > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
