2009-01-07 23:14:39 +08:00
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/*
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* File: arch/blackfin/include/asm/pda.h
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* Author: Philippe Gerum <rpm@xenomai.org>
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*
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* Copyright 2007 Analog Devices Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see the file COPYING, or write
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* to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ASM_BLACKFIN_PDA_H
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#define _ASM_BLACKFIN_PDA_H
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2008-11-18 17:48:22 +08:00
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#include <mach/anomaly.h>
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2009-01-07 23:14:39 +08:00
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#ifndef __ASSEMBLY__
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struct blackfin_pda { /* Per-processor Data Area */
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struct blackfin_pda *next;
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unsigned long syscfg;
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#ifdef CONFIG_SMP
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unsigned long imask; /* Current IMASK value */
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#endif
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unsigned long *ipdt; /* Start of switchable I-CPLB table */
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unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */
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unsigned long *dpdt; /* Start of switchable D-CPLB table */
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unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */
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/*
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* Single instructions can have multiple faults, which
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* need to be handled by traps.c, in irq5. We store
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* the exception cause to ensure we don't miss a
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* double fault condition
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*/
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unsigned long ex_iptr;
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unsigned long ex_optr;
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unsigned long ex_buf[4];
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unsigned long ex_imask; /* Saved imask from exception */
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unsigned long *ex_stack; /* Exception stack space */
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#ifdef ANOMALY_05000261
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unsigned long last_cplb_fault_retx;
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#endif
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unsigned long dcplb_fault_addr;
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unsigned long icplb_fault_addr;
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unsigned long retx;
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unsigned long seqstat;
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};
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extern struct blackfin_pda cpu_pda[];
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void reserve_pda(void);
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_BLACKFIN_PDA_H */
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