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0d71e879 LV |
1 | /* |
2 | * arch/hexagon/include/asm/kgdb.h - Hexagon KGDB Support | |
3 | * | |
e1858b2a | 4 | * Copyright (c) 2011, The Linux Foundation. All rights reserved. |
0d71e879 LV |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 and | |
8 | * only version 2 as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
18 | * 02110-1301, USA. | |
19 | */ | |
20 | ||
21 | #ifndef __HEXAGON_KGDB_H__ | |
22 | #define __HEXAGON_KGDB_H__ | |
23 | ||
24 | #define BREAK_INSTR_SIZE 4 | |
25 | #define CACHE_FLUSH_IS_SAFE 1 | |
26 | #define BUFMAX ((NUMREGBYTES * 2) + 512) | |
27 | ||
28 | static inline void arch_kgdb_breakpoint(void) | |
29 | { | |
30 | asm("trap0(#0xDB)"); | |
31 | } | |
32 | ||
33 | /* Registers: | |
34 | * 32 gpr + sa0/1 + lc0/1 + m0/1 + gp + ugp + pred + pc = 42 total. | |
35 | * vm regs = psp+elr+est+badva = 4 | |
36 | * syscall+restart = 2 more | |
d811d8cc CG |
37 | * also add cs0/1 = 2 |
38 | * so 48 = 42 + 4 + 2 + 2 | |
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39 | */ |
40 | #define DBG_USER_REGS 42 | |
d811d8cc | 41 | #define DBG_MAX_REG_NUM (DBG_USER_REGS + 8) |
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42 | #define NUMREGBYTES (DBG_MAX_REG_NUM*4) |
43 | ||
44 | #endif /* __HEXAGON_KGDB_H__ */ |