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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 | ||
b6070576 | 26 | #include <mach/anomaly.h> |
6b3087c6 GY |
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; | |
3605fb09 | 62 | unsigned int __nmi_count; /* number of times NMI asserted on this CPU */ |
6b3087c6 GY |
63 | }; |
64 | ||
65 | extern struct blackfin_pda cpu_pda[]; | |
66 | ||
6b3087c6 GY |
67 | #endif /* __ASSEMBLY__ */ |
68 | ||
69 | #endif /* _ASM_BLACKFIN_PDA_H */ |