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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
25typedef u32 ppc_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 */