On Wed, 2008-10-01 at 23:20 +0200, Sebastian Andrzej Siewior wrote: > +#define KEXEC_MODE_NOMMU 1 > +#define KEXEC_MODE_BOOKE 2 No need for runtime detection here, you cannot and likely never will be able to build a kernel that does bot BookE and real mode... > + > +/* 1. Find the index of the entry we're executing in */ > + bl invstr /* Find our address */ > +invstr: > + mflr r6 /* Make it accessible */ > + mfmsr r7 > + rlwinm r4,r7,27,31,31 /* extract MSR[IS] */ > + mfspr r7, SPRN_PID0 > + slwi r7,r7,16 > + or r7,r7,r4 > + mtspr SPRN_MAS6,r7 > + tlbsx 0,r6 /* search MSR[IS], SPID=PID0 */ > + mfspr r7,SPRN_MAS1 > + andis. r7,r7,MAS1_VALID at h > + bne match_TLB This isn't just BookE .. it's specifically FSL BookE (or "merged" architecture). This isn't going to work on 44x for example. You need to make it clearer. Cheers, Ben.
