| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 1 | /* |
| 2 | * File: arch/blackfin/include/asm/pda.h |
| 3 | * Author: Philippe Gerum <rpm@xenomai.org> |
| 4 | * |
| 5 | * Copyright 2007 Analog Devices Inc. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, see the file COPYING, or write |
| 19 | * to the Free Software Foundation, Inc., |
| 20 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 21 | */ |
| 22 | |
| 23 | #ifndef _ASM_BLACKFIN_PDA_H |
| 24 | #define _ASM_BLACKFIN_PDA_H |
| 25 | |
| Mike Frysinger | b607057 | 2008-11-18 17:48:22 +0800 | [diff] [blame] | 26 | #include <mach/anomaly.h> |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 27 | |
| 28 | #ifndef __ASSEMBLY__ |
| 29 | |
| 30 | struct blackfin_pda { /* Per-processor Data Area */ |
| 31 | struct blackfin_pda *next; |
| 32 | |
| 33 | unsigned long syscfg; |
| 34 | #ifdef CONFIG_SMP |
| 35 | unsigned long imask; /* Current IMASK value */ |
| 36 | #endif |
| 37 | |
| 38 | unsigned long *ipdt; /* Start of switchable I-CPLB table */ |
| 39 | unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */ |
| 40 | unsigned long *dpdt; /* Start of switchable D-CPLB table */ |
| 41 | unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */ |
| 42 | |
| 43 | /* |
| 44 | * Single instructions can have multiple faults, which |
| 45 | * need to be handled by traps.c, in irq5. We store |
| 46 | * the exception cause to ensure we don't miss a |
| 47 | * double fault condition |
| 48 | */ |
| 49 | unsigned long ex_iptr; |
| 50 | unsigned long ex_optr; |
| 51 | unsigned long ex_buf[4]; |
| 52 | unsigned long ex_imask; /* Saved imask from exception */ |
| 53 | unsigned long *ex_stack; /* Exception stack space */ |
| 54 | |
| 55 | #ifdef ANOMALY_05000261 |
| 56 | unsigned long last_cplb_fault_retx; |
| 57 | #endif |
| 58 | unsigned long dcplb_fault_addr; |
| 59 | unsigned long icplb_fault_addr; |
| 60 | unsigned long retx; |
| 61 | unsigned long seqstat; |
| Robin Getz | 3605fb0 | 2009-02-04 16:49:45 +0800 | [diff] [blame] | 62 | unsigned int __nmi_count; /* number of times NMI asserted on this CPU */ |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 63 | }; |
| 64 | |
| 65 | extern struct blackfin_pda cpu_pda[]; |
| 66 | |
| Graf Yang | 6b3087c | 2009-01-07 23:14:39 +0800 | [diff] [blame] | 67 | #endif /* __ASSEMBLY__ */ |
| 68 | |
| 69 | #endif /* _ASM_BLACKFIN_PDA_H */ |