| David Howells | e460d64 | 2011-03-18 16:54:31 +0000 | [diff] [blame] | 1 | /* Kernel debugger for MN10300 |
| 2 | * |
| 3 | * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved. |
| 4 | * Written by David Howells (dhowells@redhat.com) |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public Licence |
| 8 | * as published by the Free Software Foundation; either version |
| 9 | * 2 of the Licence, or (at your option) any later version. |
| 10 | */ |
| 11 | |
| 12 | #ifndef _ASM_KGDB_H |
| 13 | #define _ASM_KGDB_H |
| 14 | |
| 15 | /* |
| 16 | * BUFMAX defines the maximum number of characters in inbound/outbound |
| 17 | * buffers at least NUMREGBYTES*2 are needed for register packets |
| 18 | * Longer buffer is needed to list all threads |
| 19 | */ |
| 20 | #define BUFMAX 1024 |
| 21 | |
| 22 | /* |
| 23 | * Note that this register image is in a different order than the register |
| 24 | * image that Linux produces at interrupt time. |
| 25 | */ |
| 26 | enum regnames { |
| 27 | GDB_FR_D0 = 0, |
| 28 | GDB_FR_D1 = 1, |
| 29 | GDB_FR_D2 = 2, |
| 30 | GDB_FR_D3 = 3, |
| 31 | GDB_FR_A0 = 4, |
| 32 | GDB_FR_A1 = 5, |
| 33 | GDB_FR_A2 = 6, |
| 34 | GDB_FR_A3 = 7, |
| 35 | |
| 36 | GDB_FR_SP = 8, |
| 37 | GDB_FR_PC = 9, |
| 38 | GDB_FR_MDR = 10, |
| 39 | GDB_FR_EPSW = 11, |
| 40 | GDB_FR_LIR = 12, |
| 41 | GDB_FR_LAR = 13, |
| 42 | GDB_FR_MDRQ = 14, |
| 43 | |
| 44 | GDB_FR_E0 = 15, |
| 45 | GDB_FR_E1 = 16, |
| 46 | GDB_FR_E2 = 17, |
| 47 | GDB_FR_E3 = 18, |
| 48 | GDB_FR_E4 = 19, |
| 49 | GDB_FR_E5 = 20, |
| 50 | GDB_FR_E6 = 21, |
| 51 | GDB_FR_E7 = 22, |
| 52 | |
| 53 | GDB_FR_SSP = 23, |
| 54 | GDB_FR_MSP = 24, |
| 55 | GDB_FR_USP = 25, |
| 56 | GDB_FR_MCRH = 26, |
| 57 | GDB_FR_MCRL = 27, |
| 58 | GDB_FR_MCVF = 28, |
| 59 | |
| 60 | GDB_FR_FPCR = 29, |
| 61 | GDB_FR_DUMMY0 = 30, |
| 62 | GDB_FR_DUMMY1 = 31, |
| 63 | |
| 64 | GDB_FR_FS0 = 32, |
| 65 | |
| 66 | GDB_FR_SIZE = 64, |
| 67 | }; |
| 68 | |
| 69 | #define GDB_ORIG_D0 41 |
| 70 | #define NUMREGBYTES (GDB_FR_SIZE*4) |
| 71 | |
| 72 | static inline void arch_kgdb_breakpoint(void) |
| 73 | { |
| 74 | asm(".globl __arch_kgdb_breakpoint; __arch_kgdb_breakpoint: break"); |
| 75 | } |
| 76 | extern u8 __arch_kgdb_breakpoint; |
| 77 | |
| 78 | #define BREAK_INSTR_SIZE 1 |
| 79 | #define CACHE_FLUSH_IS_SAFE 1 |
| 80 | |
| 81 | #endif /* _ASM_KGDB_H */ |