1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * Copyright (C) 2015 Altera Corporation
 4 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
 5 *
 6 * Based on the code posted by Kazuyasu on the Altera Forum at:
 7 * http://www.alteraforum.com/forum/showpost.php?p=77003&postcount=20
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 8 */
 9
10#ifndef _ASM_NIOS2_KGDB_H
11#define _ASM_NIOS2_KGDB_H
12
13#define CACHE_FLUSH_IS_SAFE	1
14#define BUFMAX			2048
15
16enum regnames {
17	GDB_R0 = 0,
18	GDB_AT,
19	GDB_R2,
20	GDB_R3,
21	GDB_R4,
22	GDB_R5,
23	GDB_R6,
24	GDB_R7,
25	GDB_R8,
26	GDB_R9,
27	GDB_R10,
28	GDB_R11,
29	GDB_R12,
30	GDB_R13,
31	GDB_R14,
32	GDB_R15,
33	GDB_R16,
34	GDB_R17,
35	GDB_R18,
36	GDB_R19,
37	GDB_R20,
38	GDB_R21,
39	GDB_R22,
40	GDB_R23,
41	GDB_ET,
42	GDB_BT,
43	GDB_GP,
44	GDB_SP,
45	GDB_FP,
46	GDB_EA,
47	GDB_BA,
48	GDB_RA,
49	GDB_PC,
50	GDB_STATUS,
51	GDB_ESTATUS,
52	GDB_BSTATUS,
53	GDB_IENABLE,
54	GDB_IPENDING,
55	GDB_CPUID,
56	GDB_CTL6,
57	GDB_EXCEPTION,
58	GDB_PTEADDR,
59	GDB_TLBACC,
60	GDB_TLBMISC,
61	GDB_ECCINJ,
62	GDB_BADADDR,
63	GDB_CONFIG,
64	GDB_MPUBASE,
65	GDB_MPUACC,
66	/* do not change the last entry or anything below! */
67	GDB_NUMREGBYTES		/* number of registers */
68};
69
70#define GDB_SIZEOF_REG		sizeof(u32)
71#define DBG_MAX_REG_NUM	(49)
72#define NUMREGBYTES		(DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
73
74#define BREAK_INSTR_SIZE	4
75static inline void arch_kgdb_breakpoint(void)
76{
77	__asm__ __volatile__("trap 30\n");
78}
79
80#endif /* _ASM_NIOS2_KGDB_H */

 
 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
29enum 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
88static inline void arch_kgdb_breakpoint(void)
89{
90	__asm__ __volatile__("trap 30\n");
91}
92
93#endif /* _ASM_NIOS2_KGDB_H */