Date: Wed, 21 Jul 2010 18:47:52 +0000 (UTC) From: Rui Paulo <rpaulo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r210357 - head/sys/i386/include Message-ID: <201007211847.o6LIlq8k007333@svn.freebsd.org>
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Author: rpaulo Date: Wed Jul 21 18:47:52 2010 New Revision: 210357 URL: http://svn.freebsd.org/changeset/base/210357 Log: MFamd64: Add USD_GETBASE(), USD_SETBASE(), USD_GETLIMIT() and USD_SETLIMIT(). Modified: head/sys/i386/include/segments.h Modified: head/sys/i386/include/segments.h ============================================================================== --- head/sys/i386/include/segments.h Wed Jul 21 18:27:32 2010 (r210356) +++ head/sys/i386/include/segments.h Wed Jul 21 18:47:52 2010 (r210357) @@ -75,6 +75,13 @@ struct segment_descriptor { unsigned sd_hibase:8 ; /* segment base address (msb) */ } ; +#define USD_GETBASE(sd) (((sd)->sd_lobase) | (sd)->sd_hibase << 24) +#define USD_SETBASE(sd, b) (sd)->sd_lobase = (b); \ + (sd)->sd_hibase = ((b) >> 24); +#define USD_GETLIMIT(sd) (((sd)->sd_lolimit) | (sd)->sd_hilimit << 16) +#define USD_SETLIMIT(sd, l) (sd)->sd_lolimit = (l); \ + (sd)->sd_hilimit = ((l) >> 16); + /* * Gate descriptors (e.g. indirect descriptors) */
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