1 /*
2 * Copyright (C) 2015 Altera Corporation
3 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
4 *
5 * Based on the code posted by Kazuyasu on the Altera Forum at:
6 * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 *
21 */
22
23 #ifndef _ASM_NIOS2_KGDB_H
24 #define _ASM_NIOS2_KGDB_H
25
26 #define CACHE_FLUSH_IS_SAFE 1
27 #define BUFMAX 2048
28
29 enum regnames {
30 GDB_R0 = 0,
31 GDB_AT,
32 GDB_R2,
33 GDB_R3,
34 GDB_R4,
35 GDB_R5,
36 GDB_R6,
37 GDB_R7,
38 GDB_R8,
39 GDB_R9,
40 GDB_R10,
41 GDB_R11,
42 GDB_R12,
43 GDB_R13,
44 GDB_R14,
45 GDB_R15,
46 GDB_R16,
47 GDB_R17,
48 GDB_R18,
49 GDB_R19,
50 GDB_R20,
51 GDB_R21,
52 GDB_R22,
53 GDB_R23,
54 GDB_ET,
55 GDB_BT,
56 GDB_GP,
57 GDB_SP,
58 GDB_FP,
59 GDB_EA,
60 GDB_BA,
61 GDB_RA,
62 GDB_PC,
63 GDB_STATUS,
64 GDB_ESTATUS,
65 GDB_BSTATUS,
66 GDB_IENABLE,
67 GDB_IPENDING,
68 GDB_CPUID,
69 GDB_CTL6,
70 GDB_EXCEPTION,
71 GDB_PTEADDR,
72 GDB_TLBACC,
73 GDB_TLBMISC,
74 GDB_ECCINJ,
75 GDB_BADADDR,
76 GDB_CONFIG,
77 GDB_MPUBASE,
78 GDB_MPUACC,
79 /* do not change the last entry or anything below! */
80 GDB_NUMREGBYTES /* number of registers */
81 };
82
83 #define GDB_SIZEOF_REG sizeof(u32)
84 #define DBG_MAX_REG_NUM (49)
85 #define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
86
87 #define BREAK_INSTR_SIZE 4
arch_kgdb_breakpoint(void)88 static inline void arch_kgdb_breakpoint(void)
89 {
90 __asm__ __volatile__("trap 30\n");
91 }
92
93 #endif /* _ASM_NIOS2_KGDB_H */
94
