Date: Thu, 17 Apr 2003 00:09:42 -0700 (PDT) From: Marcel Moolenaar <marcel@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 29105 for review Message-ID: <200304170709.h3H79gel071860@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=29105 Change 29105 by marcel@marcel_nfs on 2003/04/17 00:08:55 o Document that we use ar.k5 to pass the EPC gateway page to userland. o Don't restore ar.k4. Both ar.k4 and ar.k5 are invariant. Affected files ... .. //depot/projects/ia64_epc/sys/ia64/ia64/exception.s#10 edit Differences ... ==== //depot/projects/ia64_epc/sys/ia64/ia64/exception.s#10 (text+ko) ==== @@ -33,6 +33,7 @@ /* * ar.k7 = kernel memory stack * ar.k6 = kernel register stack + * ar.k5 = EPC gateway page * ar.k4 = PCPU data */ @@ -521,12 +522,10 @@ ;; } mov r31=ar.bspstore + mov ar.bspstore=r20 ;; - mov ar.bspstore=r20 mov ar.k6=r31 - ;; mov ar.rnat=r21 - mov ar.k4=r13 mov r13=r29 ;;
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