| Ananth N Mavinakayanahalli | 7118e7e | 2012-08-23 21:26:02 +0000 | [diff] [blame^] | 1 | #ifndef _ASM_POWERPC_PROBES_H |
| 2 | #define _ASM_POWERPC_PROBES_H |
| 3 | #ifdef __KERNEL__ |
| 4 | /* |
| 5 | * Definitions common to probes files |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 20 | * |
| 21 | * Copyright IBM Corporation, 2012 |
| 22 | */ |
| 23 | #include <linux/types.h> |
| 24 | |
| 25 | typedef u32 opcode_t; |
| 26 | #define BREAKPOINT_INSTRUCTION 0x7fe00008 /* trap */ |
| 27 | |
| 28 | /* Trap definitions per ISA */ |
| 29 | #define IS_TW(instr) (((instr) & 0xfc0007fe) == 0x7c000008) |
| 30 | #define IS_TD(instr) (((instr) & 0xfc0007fe) == 0x7c000088) |
| 31 | #define IS_TDI(instr) (((instr) & 0xfc000000) == 0x08000000) |
| 32 | #define IS_TWI(instr) (((instr) & 0xfc000000) == 0x0c000000) |
| 33 | |
| 34 | #ifdef CONFIG_PPC64 |
| 35 | #define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \ |
| 36 | IS_TWI(instr) || IS_TDI(instr)) |
| 37 | #else |
| 38 | #define is_trap(instr) (IS_TW(instr) || IS_TWI(instr)) |
| 39 | #endif /* CONFIG_PPC64 */ |
| 40 | |
| 41 | #endif /* __KERNEL__ */ |
| 42 | #endif /* _ASM_POWERPC_PROBES_H */ |