Date: Tue, 15 Jun 2004 11:01:06 GMT From: Juli Mallett <jmallett@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 55003 for review Message-ID: <200406151101.i5FB161l024421@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=55003 Change 55003 by jmallett@jmallett_oingo on 2004/06/15 11:00:14 Grow back a VCED handler. Affected files ... .. //depot/projects/mips/sys/mips/mips/exception.S#29 edit Differences ... ==== //depot/projects/mips/sys/mips/mips/exception.S#29 (text+ko) ==== @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $P4: //depot/projects/mips/sys/mips/mips/exception.S#28 $ + * $P4: //depot/projects/mips/sys/mips/mips/exception.S#29 $ */ #include "opt_ddb.h" @@ -78,7 +78,7 @@ .dword GenericException /* Res (28) */ .dword GenericException /* Res (29) */ .dword GenericException /* Res (30) */ - .dword GenericException /* VCED */ + .dword VCED /* VCED */ .text .set noreorder @@ -224,6 +224,20 @@ VEND(XTLBMissVector) /* + * Handle a data-cache virtual coherency error. + */ +LEAF(VCED) + .set noat + dmfc0 k0, MIPS_COP_0_BAD_VADDR + dsrl k0, 4 + dsll k0, 4 + cache (CACHE_R4K_SD | CACHEOP_R4K_HIT_WB_INV), 0(k0) + cache (CACHE_R4K_D | CACHEOP_R4K_HIT_INV), 0(k0) + eret + .set at +END(VCED) + +/* * Restore registers from a trapframe pointed to in k1, returning to ra * that is passed in, and kept in k0. */
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