1 /* 1
2 * The PowerPC (32/64) specific defines / exte
3 * the previous 32bit and 64bit specific files
4 * copyrights:
5 *
6 * PPC64 Mods (C) 2005 Frank Rowand (frowand@m
7 * PPC Mods (C) 2004 Tom Rini (trini@mvista.co
8 * PPC Mods (C) 2003 John Whitney (john.whitne
9 * PPC Mods (C) 1998 Michael Tesch (tesch@cs.w
10 *
11 *
12 * Copyright (C) 1995 David S. Miller (davem@c
13 * Author: Tom Rini <trini@kernel.crashing.org
14 *
15 * 2006 (c) MontaVista Software, Inc. This fil
16 * the terms of the GNU General Public License
17 * is licensed "as is" without any warranty of
18 * or implied.
19 */
20 #ifdef __KERNEL__
21 #ifndef __POWERPC_KGDB_H__
22 #define __POWERPC_KGDB_H__
23
24 #ifndef __ASSEMBLY__
25
26 #define BREAK_INSTR_SIZE 4
27 #define BUFMAX ((NUMREGBYTES
28 #define OUTBUFMAX ((NUMREGBYTES
29
30 #define BREAK_INSTR 0x7d821008
31
32 static inline void arch_kgdb_breakpoint(void)
33 {
34 asm(stringify_in_c(.long BREAK_INSTR))
35 }
36 #define CACHE_FLUSH_IS_SAFE 1
37 #define DBG_MAX_REG_NUM 70
38
39 /* The number bytes of registers we have to sa
40 * things. For 64bit we default to not includ
41 * vector state registers. */
42 #ifdef CONFIG_PPC64
43 /*
44 * 64 bit (8 byte) registers:
45 * 32 gpr, 32 fpr, nip, msr, link, ctr
46 * 32 bit (4 byte) registers:
47 * ccr, xer, fpscr
48 */
49 #define NUMREGBYTES ((68 * 8) + (3
50 #define NUMCRITREGBYTES 184
51 #else /* CONFIG_PPC32 */
52 /* On non-E500 family PPC32 we determine the s
53 * register we need, but on E500 we skip secti
54 * need to store, and add it up. */
55 #ifndef CONFIG_PPC_E500
56 #define MAXREG (PT_FPSCR+1)
57 #else
58 /* 32 GPRs (8 bytes), nip, msr, ccr, link, ctr
59 #define MAXREG ((32*2)+6+2+1)
60 #endif
61 #define NUMREGBYTES (MAXREG * size
62 /* CR/LR, R1, R2, R13-R31 inclusive. */
63 #define NUMCRITREGBYTES (23 * sizeof(i
64 #endif /* 32/64 */
65 #endif /* !(__ASSEMBLY__) */
66 #endif /* !__POWERPC_KGDB_H__ */
67 #endif /* __KERNEL__ */
68
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.