/*
* Copyright 2007 Sony Corporation
*
* 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; version 2 of the License.
*
* 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, see <http://www.gnu.org/licenses/>.
*/

#ifndef _ASM_POWERPC_EMULATED_OPS_H
#define _ASM_POWERPC_EMULATED_OPS_H

#include <linux/atomic.h>
#include <linux/perf_event.h>


#ifdef CONFIG_PPC_EMULATED_STATS

struct ppc_emulated_entry {
const char *name;
atomic_t val;
};

extern struct ppc_emulated {
#ifdef CONFIG_ALTIVEC
struct ppc_emulated_entry altivec;
#endif
struct ppc_emulated_entry dcba;
struct ppc_emulated_entry dcbz;
struct ppc_emulated_entry fp_pair;
struct ppc_emulated_entry isel;
struct ppc_emulated_entry mcrxr;
struct ppc_emulated_entry mfpvr;
struct ppc_emulated_entry multiple;
struct ppc_emulated_entry popcntb;
struct ppc_emulated_entry spe;
struct ppc_emulated_entry string;
struct ppc_emulated_entry sync;
struct ppc_emulated_entry unaligned;
#ifdef CONFIG_MATH_EMULATION
struct ppc_emulated_entry math;
#endif
#ifdef CONFIG_VSX
struct ppc_emulated_entry vsx;
#endif
#ifdef CONFIG_PPC64
struct ppc_emulated_entry mfdscr;
struct ppc_emulated_entry mtdscr;
#endif
} ppc_emulated;

extern u32 ppc_warn_emulated;

extern void ppc_warn_emulated_print(const char *type);

#define __PPC_WARN_EMULATED(type) \
do { \
atomic_inc(&ppc_emulated.type.val); \
if (ppc_warn_emulated) \
ppc_warn_emulated_print(ppc_emulated.type.name); \
} while (0)

#else /* !CONFIG_PPC_EMULATED_STATS */

#define __PPC_WARN_EMULATED(type) do { } while (0)

#endif /* !CONFIG_PPC_EMULATED_STATS */

#define PPC_WARN_EMULATED(type, regs) \
do { \
perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
1, regs, 0); \
__PPC_WARN_EMULATED(type); \
} while (0)

#define PPC_WARN_ALIGNMENT(type, regs) \
do { \
perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
1, regs, regs->dar); \
__PPC_WARN_EMULATED(type); \
} while (0)

#endif /* _ASM_POWERPC_EMULATED_OPS_H */