Date: Sun, 2 May 2010 12:08:15 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r207500 - head/sys/sparc64/sparc64 Message-ID: <201005021208.o42C8FC2052685@svn.freebsd.org>
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Author: marius Date: Sun May 2 12:08:15 2010 New Revision: 207500 URL: http://svn.freebsd.org/changeset/base/207500 Log: Add a hack for SPARC64 V CPUs, which set some undocumented bits in the first data word. Modified: head/sys/sparc64/sparc64/interrupt.S Modified: head/sys/sparc64/sparc64/interrupt.S ============================================================================== --- head/sys/sparc64/sparc64/interrupt.S Sun May 2 12:07:47 2010 (r207499) +++ head/sys/sparc64/sparc64/interrupt.S Sun May 2 12:08:15 2010 (r207500) @@ -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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