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-rw-r--r--include/asm-sparc/kgdb.h116
1 files changed, 30 insertions, 86 deletions
diff --git a/include/asm-sparc/kgdb.h b/include/asm-sparc/kgdb.h
index d120adfb429f..b6ef301d05bf 100644
--- a/include/asm-sparc/kgdb.h
+++ b/include/asm-sparc/kgdb.h
@@ -1,94 +1,38 @@
1/* $Id: kgdb.h,v 1.8 1998/01/07 06:33:44 baccala Exp $
2 * kgdb.h: Defines and declarations for serial line source level
3 * remote debugging of the Linux kernel using gdb.
4 *
5 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
6 */
7#ifndef _SPARC_KGDB_H 1#ifndef _SPARC_KGDB_H
8#define _SPARC_KGDB_H 2#define _SPARC_KGDB_H
9 3
10#ifndef __ASSEMBLY__ 4#ifdef CONFIG_SPARC32
11/* To init the kgdb engine. */ 5#define BUFMAX 2048
12extern void set_debug_traps(void); 6#else
13 7#define BUFMAX 4096
14/* To enter the debugger explicitly. */ 8#endif
15extern void breakpoint(void); 9
16 10enum regnames {
17/* For convenience we define the format of a kgdb trap breakpoint 11 GDB_G0, GDB_G1, GDB_G2, GDB_G3, GDB_G4, GDB_G5, GDB_G6, GDB_G7,
18 * frame here also. 12 GDB_O0, GDB_O1, GDB_O2, GDB_O3, GDB_O4, GDB_O5, GDB_SP, GDB_O7,
19 */ 13 GDB_L0, GDB_L1, GDB_L2, GDB_L3, GDB_L4, GDB_L5, GDB_L6, GDB_L7,
20struct kgdb_frame { 14 GDB_I0, GDB_I1, GDB_I2, GDB_I3, GDB_I4, GDB_I5, GDB_FP, GDB_I7,
21 unsigned long globals[8]; 15 GDB_F0,
22 unsigned long outs[8]; 16 GDB_F31 = GDB_F0 + 31,
23 unsigned long locals[8]; 17#ifdef CONFIG_SPARC32
24 unsigned long ins[8]; 18 GDB_Y, GDB_PSR, GDB_WIM, GDB_TBR, GDB_PC, GDB_NPC,
25 unsigned long fpregs[32]; 19 GDB_FSR, GDB_CSR,
26 unsigned long y; 20#else
27 unsigned long psr; 21 GDB_F32 = GDB_F0 + 32,
28 unsigned long wim; 22 GDB_F62 = GDB_F32 + 15,
29 unsigned long tbr; 23 GDB_PC, GDB_NPC, GDB_STATE, GDB_FSR, GDB_FPRS, GDB_Y,
30 unsigned long pc; 24#endif
31 unsigned long npc;
32 unsigned long fpsr;
33 unsigned long cpsr;
34}; 25};
35#endif /* !(__ASSEMBLY__) */
36
37/* Macros for assembly usage of the kgdb breakpoint frame. */
38#define KGDB_G0 0x000
39#define KGDB_G1 0x004
40#define KGDB_G2 0x008
41#define KGDB_G4 0x010
42#define KGDB_G6 0x018
43#define KGDB_I0 0x020
44#define KGDB_I2 0x028
45#define KGDB_I4 0x030
46#define KGDB_I6 0x038
47#define KGDB_Y 0x100
48#define KGDB_PSR 0x104
49#define KGDB_WIM 0x108
50#define KGDB_TBR 0x10c
51#define KGDB_PC 0x110
52#define KGDB_NPC 0x114
53
54#define SAVE_KGDB_GLOBALS(reg) \
55 std %g0, [%reg + STACKFRAME_SZ + KGDB_G0]; \
56 std %g2, [%reg + STACKFRAME_SZ + KGDB_G2]; \
57 std %g4, [%reg + STACKFRAME_SZ + KGDB_G4]; \
58 std %g6, [%reg + STACKFRAME_SZ + KGDB_G6];
59
60#define SAVE_KGDB_INS(reg) \
61 std %i0, [%reg + STACKFRAME_SZ + KGDB_I0]; \
62 std %i2, [%reg + STACKFRAME_SZ + KGDB_I2]; \
63 std %i4, [%reg + STACKFRAME_SZ + KGDB_I4]; \
64 std %i6, [%reg + STACKFRAME_SZ + KGDB_I6];
65
66#define SAVE_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \
67 st %reg_y, [%reg + STACKFRAME_SZ + KGDB_Y]; \
68 st %reg_psr, [%reg + STACKFRAME_SZ + KGDB_PSR]; \
69 st %reg_wim, [%reg + STACKFRAME_SZ + KGDB_WIM]; \
70 st %reg_tbr, [%reg + STACKFRAME_SZ + KGDB_TBR]; \
71 st %reg_pc, [%reg + STACKFRAME_SZ + KGDB_PC]; \
72 st %reg_npc, [%reg + STACKFRAME_SZ + KGDB_NPC];
73 26
74#define LOAD_KGDB_GLOBALS(reg) \ 27#ifdef CONFIG_SPARC32
75 ld [%reg + STACKFRAME_SZ + KGDB_G1], %g1; \ 28#define NUMREGBYTES ((GDB_CSR + 1) * 4)
76 ldd [%reg + STACKFRAME_SZ + KGDB_G2], %g2; \ 29#else
77 ldd [%reg + STACKFRAME_SZ + KGDB_G4], %g4; \ 30#define NUMREGBYTES ((GDB_Y + 1) * 8)
78 ldd [%reg + STACKFRAME_SZ + KGDB_G6], %g6; 31#endif
79 32
80#define LOAD_KGDB_INS(reg) \ 33extern void arch_kgdb_breakpoint(void);
81 ldd [%reg + STACKFRAME_SZ + KGDB_I0], %i0; \
82 ldd [%reg + STACKFRAME_SZ + KGDB_I2], %i2; \
83 ldd [%reg + STACKFRAME_SZ + KGDB_I4], %i4; \
84 ldd [%reg + STACKFRAME_SZ + KGDB_I6], %i6;
85 34
86#define LOAD_KGDB_SREGS(reg, reg_y, reg_psr, reg_wim, reg_tbr, reg_pc, reg_npc) \ 35#define BREAK_INSTR_SIZE 4
87 ld [%reg + STACKFRAME_SZ + KGDB_Y], %reg_y; \ 36#define CACHE_FLUSH_IS_SAFE 1
88 ld [%reg + STACKFRAME_SZ + KGDB_PSR], %reg_psr; \
89 ld [%reg + STACKFRAME_SZ + KGDB_WIM], %reg_wim; \
90 ld [%reg + STACKFRAME_SZ + KGDB_TBR], %reg_tbr; \
91 ld [%reg + STACKFRAME_SZ + KGDB_PC], %reg_pc; \
92 ld [%reg + STACKFRAME_SZ + KGDB_NPC], %reg_npc;
93 37
94#endif /* !(_SPARC_KGDB_H) */ 38#endif /* _SPARC_KGDB_H */