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Linux kernel mirror (for testing)
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1/*
2 * Copyright 2007-2009 Analog Devices Inc.
3 * Philippe Gerum <rpm@xenomai.org>
4 *
5 * Licensed under the GPL-2 or later.
6 */
7
8#ifndef _ASM_BLACKFIN_PDA_H
9#define _ASM_BLACKFIN_PDA_H
10
11#include <mach/anomaly.h>
12
13#ifndef __ASSEMBLY__
14
15struct blackfin_pda { /* Per-processor Data Area */
16 struct blackfin_pda *next;
17
18 unsigned long syscfg;
19#ifdef CONFIG_SMP
20 unsigned long imask; /* Current IMASK value */
21#endif
22
23 unsigned long *ipdt; /* Start of switchable I-CPLB table */
24 unsigned long *ipdt_swapcount; /* Number of swaps in ipdt */
25 unsigned long *dpdt; /* Start of switchable D-CPLB table */
26 unsigned long *dpdt_swapcount; /* Number of swaps in dpdt */
27
28 /*
29 * Single instructions can have multiple faults, which
30 * need to be handled by traps.c, in irq5. We store
31 * the exception cause to ensure we don't miss a
32 * double fault condition
33 */
34 unsigned long ex_iptr;
35 unsigned long ex_optr;
36 unsigned long ex_buf[4];
37 unsigned long ex_imask; /* Saved imask from exception */
38 unsigned long ex_ipend; /* Saved IPEND from exception */
39 unsigned long *ex_stack; /* Exception stack space */
40
41#ifdef ANOMALY_05000261
42 unsigned long last_cplb_fault_retx;
43#endif
44 unsigned long dcplb_fault_addr;
45 unsigned long icplb_fault_addr;
46 unsigned long retx;
47 unsigned long seqstat;
48 unsigned int __nmi_count; /* number of times NMI asserted on this CPU */
49#ifdef CONFIG_DEBUG_DOUBLEFAULT
50 unsigned long dcplb_doublefault_addr;
51 unsigned long icplb_doublefault_addr;
52 unsigned long retx_doublefault;
53 unsigned long seqstat_doublefault;
54#endif
55};
56
57extern struct blackfin_pda cpu_pda[];
58
59#endif /* __ASSEMBLY__ */
60
61#endif /* _ASM_BLACKFIN_PDA_H */