| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 |
- #ifndef _ASM_POWERPC_ISERIES_EXCEPTION_H
- #define _ASM_POWERPC_ISERIES_EXCEPTION_H
- /*
- * Extracted from head_64.S
- *
- * PowerPC version
- * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
- *
- * Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP
- * Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
- * Adapted for Power Macintosh by Paul Mackerras.
- * Low-level exception handlers and MMU support
- * rewritten by Paul Mackerras.
- * Copyright (C) 1996 Paul Mackerras.
- *
- * Adapted for 64bit PowerPC by Dave Engebretsen, Peter Bergner, and
- * Mike Corrigan {engebret|bergner|mikejc}@us.ibm.com
- *
- * This file contains the low-level support and setup for the
- * PowerPC-64 platform, including trap and interrupt dispatch.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- #include <asm/exception-64s.h>
- #define EXCEPTION_PROLOG_ISERIES_1 \
- mfmsr r10; \
- ld r12,PACALPPACAPTR(r13); \
- ld r11,LPPACASRR0(r12); \
- ld r12,LPPACASRR1(r12); \
- ori r10,r10,MSR_RI; \
- mtmsrd r10,1
- #define STD_EXCEPTION_ISERIES(label, area) \
- .globl label##_iSeries; \
- label##_iSeries: \
- HMT_MEDIUM; \
- mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
- EXCEPTION_PROLOG_1(area); \
- EXCEPTION_PROLOG_ISERIES_1; \
- b label##_common
- #define MASKABLE_EXCEPTION_ISERIES(label) \
- .globl label##_iSeries; \
- label##_iSeries: \
- HMT_MEDIUM; \
- mtspr SPRN_SPRG_SCRATCH0,r13; /* save r13 */ \
- EXCEPTION_PROLOG_1(PACA_EXGEN); \
- lbz r10,PACASOFTIRQEN(r13); \
- cmpwi 0,r10,0; \
- beq- label##_iSeries_masked; \
- EXCEPTION_PROLOG_ISERIES_1; \
- b label##_common; \
- #endif /* _ASM_POWERPC_ISERIES_EXCEPTION_H */
|
