From mboxrd@z Thu Jan 1 00:00:00 1970 From: Randolph Chung Subject: Re: [parisc-linux] c3k panics Date: Mon, 30 May 2005 23:26:19 -0700 Message-ID: <20050531062619.GI3050@tausq.org> References: <4282FEEE0000724C@mail-5-bnl.tiscali.it> Reply-To: Randolph Chung Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: John David Anglin , parisc-linux@lists.parisc-linux.org To: Joel Soete Return-Path: In-Reply-To: <4282FEEE0000724C@mail-5-bnl.tiscali.it> List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: parisc-linux-bounces@lists.parisc-linux.org > Ok clear but still confused why 32bit branch doesn't nullify the insn > in delay slot like did 64bit? it's a bug, but fortunately that copy of the fixup_branch macro (in syscall.S) isn't actually used ;-) I'll remove it. > btw one more thing confusing me: the third fixup_branch macro definition > in lusercopy.S: > [snip] > .macro fixup_branch,lbl > ldil L%\lbl, %r1 > ldo R%\lbl(%r1), %r1 > bv %r0(%r1) > .endm > > This time just bv not bv,n ? Yes, if you look at where the macro is used you will see that there is an instruction in the delay slot for the branch that should be executed. randolph -- Randolph Chung Debian GNU/Linux Developer, hppa/ia64 ports http://www.tausq.org/ _______________________________________________ parisc-linux mailing list parisc-linux@lists.parisc-linux.org http://lists.parisc-linux.org/mailman/listinfo/parisc-linux