diff options
Diffstat (limited to 'include/asm-sparc/kgdb.h')
-rw-r--r-- | include/asm-sparc/kgdb.h | 116 |
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 |
12 | extern void set_debug_traps(void); | 6 | #else |
13 | 7 | #define BUFMAX 4096 | |
14 | /* To enter the debugger explicitly. */ | 8 | #endif |
15 | extern void breakpoint(void); | 9 | |
16 | 10 | enum 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, |
20 | struct 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) \ | 33 | extern 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 */ |