arm_adi_v5: mem_ap_write error propagation
[fw/openocd] / src / target / cortex_a8.h
1 /***************************************************************************
2  *   Copyright (C) 2005 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   Copyright (C) 2006 by Magnus Lundin                                   *
6  *   lundin@mlu.mine.nu                                                    *
7  *                                                                         *
8  *   Copyright (C) 2008 by Spencer Oliver                                  *
9  *   spen@spen-soft.co.uk                                                  *
10  *                                                                         *
11  *   Copyright (C) 2009 by Dirk Behme                                      *
12  *   dirk.behme@gmail.com - copy from cortex_m3                            *
13  *                                                                         *
14  *   This program is free software; you can redistribute it and/or modify  *
15  *   it under the terms of the GNU General Public License as published by  *
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17  *   (at your option) any later version.                                   *
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22  *   GNU General Public License for more details.                          *
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29 #ifndef CORTEX_A8_H
30 #define CORTEX_A8_H
31
32 #include "armv7a.h"
33
34 #define CORTEX_A8_COMMON_MAGIC 0x411fc082
35
36 /* See Cortex-A8 TRM section 12.5 */
37 #define CPUDBG_CPUID    0xD00
38 #define CPUDBG_CTYPR    0xD04
39 #define CPUDBG_TTYPR    0xD0C
40 #define CPUDBG_LOCKACCESS 0xFB0
41 #define CPUDBG_LOCKSTATUS 0xFB4
42
43 #define BRP_NORMAL 0
44 #define BRP_CONTEXT 1
45
46 struct cortex_a8_brp
47 {
48         int used;
49         int type;
50         uint32_t value;
51         uint32_t control;
52         uint8_t BRPn;
53 };
54
55 struct cortex_a8_common
56 {
57         int common_magic;
58         struct arm_jtag jtag_info;
59
60         /* Context information */
61         uint32_t cpudbg_dscr;
62
63         /* Saved cp15 registers */
64         uint32_t cp15_control_reg;
65
66         /* Breakpoint register pairs */
67         int brp_num_context;
68         int brp_num;
69         int brp_num_available;
70         struct cortex_a8_brp *brp_list;
71
72         /* Use cortex_a8_read_regs_through_mem for fast register reads */
73         int fast_reg_read;
74
75         /* Flag that helps to resolve what ttb to use: user or kernel */
76         int current_address_mode;
77
78         struct armv7a_common armv7a_common;
79 };
80
81 static inline struct cortex_a8_common *
82 target_to_cortex_a8(struct target *target)
83 {
84         return container_of(target->arch_info, struct cortex_a8_common,
85                         armv7a_common.armv4_5_common);
86 }
87
88 #endif /* CORTEX_A8_H */