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Annotation of sys/arch/luna88k/luna88k/eh.S, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: eh.S,v 1.7 2006/04/17 16:07:59 miod Exp $     */
        !             2: /*
        !             3:  * Copyright (c) 2006, Miodrag Vallat
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  *
        !            14:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            15:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            16:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            17:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            18:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            19:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            20:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            22:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            23:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            24:  * POSSIBILITY OF SUCH DAMAGE.
        !            25:  */
        !            26:
        !            27: #include <machine/board.h>
        !            28: #include <machine/m8820x.h>
        !            29:
        !            30: /*
        !            31:  * Save Pbus fault status register from data and inst CMMU.
        !            32:  *
        !            33:  * PFSR_SAVE is invoked with TMP, TMP2 and TMP3 available, and TMP contains
        !            34:  * curcpu().
        !            35:  *
        !            36:  * On the Luna88k we just have to peek at the CMMU PFSR our curcpu() points
        !            37:  * to.
        !            38:  */
        !            39:
        !            40: #define        PFSR_SAVE \
        !            41:        ld      TMP2, TMP,  CI_PFSR_I0; \
        !            42:        ld      TMP3, TMP2, r0; \
        !            43:        st      TMP3, r31,  REG_OFF(EF_IPFSR); \
        !            44:        ld      TMP2, TMP,  CI_PFSR_D0; \
        !            45:        ld      TMP3, TMP2, r0; \
        !            46:        st      TMP3, r31,  REG_OFF(EF_DPFSR)
        !            47:
        !            48: #include <m88k/m88k/eh_common.S>