> Hi guys. Thanks Till, you are the first one who actually tested my fix.
> I revitalized my old test environment on a > mpc860t (XPC860TZP50B5 / 3J21M to be precise). hmm, B5 rev is pretty buggy. Good that it works on this silicon as well. > > I found that 'dcbz' (while failing to set DAR) > indeed sets MD_EPN correctly. Hence, Jocke's fix > (copy EPN[0:19]->DAR) would handle that. Did you try any of the other dcxx instructions as well? > My older idea (fixing up MD_EPN and DAR based > on the faulting instruction opcode and the involved > GPR contents) should work even if we have neither > a valid MD_EPN nor DAR. Yes, I tried to do that. I never got past how to convert the virtual address in SRR0 to physical so I could read the instruction and decode it. > > -- Till. ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
