probes.h

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#ifndef _ASM_POWERPC_PROBES_H
#define _ASM_POWERPC_PROBES_H
#ifdef __KERNEL__
/*
 * Definitions common to probes files
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * Copyright IBM Corporation, 2012
 */
#include <linux/types.h>

typedef u32 ppc_opcode_t;
#define BREAKPOINT_INSTRUCTION  0x7fe00008  /* trap */

/* Trap definitions per ISA */
#define IS_TW(instr)        (((instr) & 0xfc0007fe) == 0x7c000008)
#define IS_TD(instr)        (((instr) & 0xfc0007fe) == 0x7c000088)
#define IS_TDI(instr)       (((instr) & 0xfc000000) == 0x08000000)
#define IS_TWI(instr)       (((instr) & 0xfc000000) == 0x0c000000)

#ifdef CONFIG_PPC64
#define is_trap(instr)      (IS_TW(instr) || IS_TD(instr) || \
                IS_TWI(instr) || IS_TDI(instr))
#else
#define is_trap(instr)      (IS_TW(instr) || IS_TWI(instr))
#endif /* CONFIG_PPC64 */

#endif /* __KERNEL__ */
#endif  /* _ASM_POWERPC_PROBES_H */