Annotation of sys/arch/luna88k/luna88k/eh.S, Revision 1.1.1.1
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>
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