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1/*
2 * linux/arch/arm/include/asm/perf_event.h
3 *
4 * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#ifndef __ARM_PERF_EVENT_H__
13#define __ARM_PERF_EVENT_H__
14
15/*
16 * The ARMv7 CPU PMU supports up to 32 event counters.
17 */
18#define ARMPMU_MAX_HWEVENTS 32
19
20#define HW_OP_UNSUPPORTED 0xFFFF
21#define C(_x) PERF_COUNT_HW_CACHE_##_x
22#define CACHE_OP_UNSUPPORTED 0xFFFF
23
24#ifdef CONFIG_HW_PERF_EVENTS
25struct pt_regs;
26extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
27extern unsigned long perf_misc_flags(struct pt_regs *regs);
28#define perf_misc_flags(regs) perf_misc_flags(regs)
29#endif
30
31#endif /* __ARM_PERF_EVENT_H__ */
1/*
2 * linux/arch/arm/include/asm/perf_event.h
3 *
4 * Copyright (C) 2009 picoChip Designs Ltd, Jamie Iles
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 */
11
12#ifndef __ARM_PERF_EVENT_H__
13#define __ARM_PERF_EVENT_H__
14
15#ifdef CONFIG_PERF_EVENTS
16struct pt_regs;
17extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
18extern unsigned long perf_misc_flags(struct pt_regs *regs);
19#define perf_misc_flags(regs) perf_misc_flags(regs)
20#endif
21
22#define perf_arch_fetch_caller_regs(regs, __ip) { \
23 (regs)->ARM_pc = (__ip); \
24 (regs)->ARM_fp = (unsigned long) __builtin_frame_address(0); \
25 (regs)->ARM_sp = current_stack_pointer; \
26 (regs)->ARM_cpsr = SVC_MODE; \
27}
28
29#endif /* __ARM_PERF_EVENT_H__ */