[mirror_ubuntu-hirsute-kernel.git] / arch / powerpc / include / asm / emulated_ops.h

/*
 *  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 */
Commit	Line	Data
80947e7c GU	1	/*
	2	* Copyright 2007 Sony Corporation
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; version 2 of the License.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program.
	15	* If not, see <http://www.gnu.org/licenses/>.
	16	*/
	17
	18	#ifndef _ASM_POWERPC_EMULATED_OPS_H
	19	#define _ASM_POWERPC_EMULATED_OPS_H
	20
60063497	21	#include <linux/atomic.h>
196f02bf	22	#include <linux/perf_event.h>
80947e7c GU	23
	24
	25	#ifdef CONFIG_PPC_EMULATED_STATS
	26
	27	struct ppc_emulated_entry {
	28	const char *name;
	29	atomic_t val;
	30	};
	31
	32	extern struct ppc_emulated {
	33	#ifdef CONFIG_ALTIVEC
	34	struct ppc_emulated_entry altivec;
	35	#endif
	36	struct ppc_emulated_entry dcba;
	37	struct ppc_emulated_entry dcbz;
	38	struct ppc_emulated_entry fp_pair;
	39	struct ppc_emulated_entry isel;
	40	struct ppc_emulated_entry mcrxr;
	41	struct ppc_emulated_entry mfpvr;
	42	struct ppc_emulated_entry multiple;
	43	struct ppc_emulated_entry popcntb;
	44	struct ppc_emulated_entry spe;
	45	struct ppc_emulated_entry string;
a3821b2a	46	struct ppc_emulated_entry sync;
80947e7c GU	47	struct ppc_emulated_entry unaligned;
	48	#ifdef CONFIG_MATH_EMULATION
	49	struct ppc_emulated_entry math;
80947e7c GU	50	#endif
	51	#ifdef CONFIG_VSX
	52	struct ppc_emulated_entry vsx;
	53	#endif
efcac658 AK	54	#ifdef CONFIG_PPC64
	55	struct ppc_emulated_entry mfdscr;
	56	struct ppc_emulated_entry mtdscr;
	57	#endif
80947e7c GU	58	} ppc_emulated;
	59
	60	extern u32 ppc_warn_emulated;
	61
	62	extern void ppc_warn_emulated_print(const char *type);
	63
eecff81d	64	#define __PPC_WARN_EMULATED(type) \
80947e7c GU	65	do { \
	66	atomic_inc(&ppc_emulated.type.val); \
	67	if (ppc_warn_emulated) \
	68	ppc_warn_emulated_print(ppc_emulated.type.name); \
	69	} while (0)
	70
	71	#else /* !CONFIG_PPC_EMULATED_STATS */
	72
eecff81d	73	#define __PPC_WARN_EMULATED(type) do { } while (0)
80947e7c GU	74
	75	#endif /* !CONFIG_PPC_EMULATED_STATS */
	76
196f02bf AB	77	#define PPC_WARN_EMULATED(type, regs) \
	78	do { \
	79	perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
a8b0ca17	80	1, regs, 0); \
196f02bf AB	81	__PPC_WARN_EMULATED(type); \
	82	} while (0)
	83
	84	#define PPC_WARN_ALIGNMENT(type, regs) \
	85	do { \
	86	perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
a8b0ca17	87	1, regs, regs->dar); \
196f02bf AB	88	__PPC_WARN_EMULATED(type); \
196f02bf AB	89	} while (0)
eecff81d	90
80947e7c	91	#endif /* _ASM_POWERPC_EMULATED_OPS_H */