From d9b8a3ff76084f5afd3853c3f64adb8e01eff291 Mon Sep 17 00:00:00 2001 From: "awilliam@xenbuild.aw" Date: Mon, 15 May 2006 14:12:07 -0600 Subject: [PATCH] [IA64] Get rid of dcr bit 63 trick. (Use ar.rsc.pl instead). Signed-off-by: Tristan Gingold --- linux-2.6-xen-sparse/arch/ia64/xen/xensetup.S | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/linux-2.6-xen-sparse/arch/ia64/xen/xensetup.S b/linux-2.6-xen-sparse/arch/ia64/xen/xensetup.S index c611974d78..818a3d249d 100644 --- a/linux-2.6-xen-sparse/arch/ia64/xen/xensetup.S +++ b/linux-2.6-xen-sparse/arch/ia64/xen/xensetup.S @@ -18,12 +18,13 @@ running_on_xen: .text GLOBAL_ENTRY(early_xen_setup) - mov r8=cr.dcr + mov r8=ar.rsc // Initialized in head.S (isBP) movl r9=running_on_xen;; - extr.u r8=r8,63,1;; - cmp.ne p7,p0=r8,r0;; -(isBP) st4 [r9]=r8 + extr.u r8=r8,2,2;; // Extract pl fields + cmp.ne p7,p0=r8,r0;; // p7: running on xen +(p7) mov r8=1 // booleanize. (p7) movl r10=xen_ivt;; +(isBP) st4 [r9]=r8 (p7) mov cr.iva=r10 br.ret.sptk.many rp;; END(early_xen_setup) -- 2.30.2