59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
#ifndef _ASM_POWERPC_ISERIES_EXCEPTION_H
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#define _ASM_POWERPC_ISERIES_EXCEPTION_H
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/*
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* Extracted from head_64.S
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*
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* PowerPC version
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* Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
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*
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* Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
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* Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
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* Adapted for Power Macintosh by Paul Mackerras.
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* Low-level exception handlers and MMU support
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* rewritten by Paul Mackerras.
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* Copyright (C) 1996 Paul Mackerras.
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*
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* Adapted for 64bit PowerPC by Dave Engebretsen, Peter Bergner, and
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* Mike Corrigan {engebret|bergner|mikejc}@us.ibm.com
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*
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* This file contains the low-level support and setup for the
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* PowerPC-64 platform, including trap and interrupt dispatch.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <asm/exception-64s.h>
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#define EXCEPTION_PROLOG_ISERIES_1 \
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mfmsr r10; \
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ld r12,PACALPPACAPTR(r13); \
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ld r11,LPPACASRR0(r12); \
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ld r12,LPPACASRR1(r12); \
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ori r10,r10,MSR_RI; \
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mtmsrd r10,1
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#define STD_EXCEPTION_ISERIES(label, area) \
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.globl label##_iSeries; \
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label##_iSeries: \
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HMT_MEDIUM; \
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mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
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EXCEPTION_PROLOG_1(area); \
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EXCEPTION_PROLOG_ISERIES_1; \
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b label##_common
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#define MASKABLE_EXCEPTION_ISERIES(label) \
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.globl label##_iSeries; \
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label##_iSeries: \
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HMT_MEDIUM; \
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mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
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EXCEPTION_PROLOG_1(PACA_EXGEN); \
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lbz r10,PACASOFTIRQEN(r13); \
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cmpwi 0,r10,0; \
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beq- label##_iSeries_masked; \
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EXCEPTION_PROLOG_ISERIES_1; \
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b label##_common; \
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#endif /* _ASM_POWERPC_ISERIES_EXCEPTION_H */
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