Date: Mon, 10 May 2010 19:02:21 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r207875 - stable/8/sys/sparc64/sparc64 Message-ID: <201005101902.o4AJ2Lg9040052@svn.freebsd.org>
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Author: marius Date: Mon May 10 19:02:21 2010 New Revision: 207875 URL: http://svn.freebsd.org/changeset/base/207875 Log: MFC: r207500 Add a hack for SPARC64 V CPUs, which set some undocumented bits in the first data word. Modified: stable/8/sys/sparc64/sparc64/interrupt.S Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) stable/8/sys/geom/sched/ (props changed) Modified: stable/8/sys/sparc64/sparc64/interrupt.S ============================================================================== --- stable/8/sys/sparc64/sparc64/interrupt.S Mon May 10 18:56:40 2010 (r207874) +++ stable/8/sys/sparc64/sparc64/interrupt.S Mon May 10 19:02:21 2010 (r207875) @@ -83,8 +83,11 @@ ENTRY(intr_vector) * The 2nd word points to code to execute and the 3rd is an argument * to pass. Jump to it. */ - brnz,a,pt %g3, 1f - nop + brnz,pt %g3, 1f + /* + * NB: Zeus CPUs set some undocumented bits in the first data word. + */ + and %g3, IV_MAX - 1, %g3 jmpl %g4, %g0 nop /* NOTREACHED */
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