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