xref: /linux/arch/arc/include/asm/perf_event.h (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Linux performance counter support for ARC
4  *
5  * Copyright (C) 2014-2015 Synopsys, Inc. (www.synopsys.com)
6  * Copyright (C) 2011-2013 Synopsys, Inc. (www.synopsys.com)
7  */
8 
9 #ifndef __ASM_PERF_EVENT_H
10 #define __ASM_PERF_EVENT_H
11 
12 /* Max number of counters that PCT block may ever have */
13 #define ARC_PERF_MAX_COUNTERS	32
14 
15 #define ARC_REG_CC_BUILD	0xF6
16 #define ARC_REG_CC_INDEX	0x240
17 #define ARC_REG_CC_NAME0	0x241
18 #define ARC_REG_CC_NAME1	0x242
19 
20 #define ARC_REG_PCT_BUILD	0xF5
21 #define ARC_REG_PCT_COUNTL	0x250
22 #define ARC_REG_PCT_COUNTH	0x251
23 #define ARC_REG_PCT_SNAPL	0x252
24 #define ARC_REG_PCT_SNAPH	0x253
25 #define ARC_REG_PCT_CONFIG	0x254
26 #define ARC_REG_PCT_CONTROL	0x255
27 #define ARC_REG_PCT_INDEX	0x256
28 #define ARC_REG_PCT_INT_CNTL	0x25C
29 #define ARC_REG_PCT_INT_CNTH	0x25D
30 #define ARC_REG_PCT_INT_CTRL	0x25E
31 #define ARC_REG_PCT_INT_ACT	0x25F
32 
33 #define ARC_REG_PCT_CONFIG_USER	(1 << 18)	/* count in user mode */
34 #define ARC_REG_PCT_CONFIG_KERN	(1 << 19)	/* count in kernel mode */
35 
36 #define ARC_REG_PCT_CONTROL_CC	(1 << 16)	/* clear counts */
37 #define ARC_REG_PCT_CONTROL_SN	(1 << 17)	/* snapshot */
38 
39 struct arc_reg_pct_build {
40 #ifdef CONFIG_CPU_BIG_ENDIAN
41 	unsigned int m:8, c:8, r:5, i:1, s:2, v:8;
42 #else
43 	unsigned int v:8, s:2, i:1, r:5, c:8, m:8;
44 #endif
45 };
46 
47 struct arc_reg_cc_build {
48 #ifdef CONFIG_CPU_BIG_ENDIAN
49 	unsigned int c:16, r:8, v:8;
50 #else
51 	unsigned int v:8, r:8, c:16;
52 #endif
53 };
54 
55 #define PERF_COUNT_ARC_DCLM	(PERF_COUNT_HW_MAX + 0)
56 #define PERF_COUNT_ARC_DCSM	(PERF_COUNT_HW_MAX + 1)
57 #define PERF_COUNT_ARC_ICM	(PERF_COUNT_HW_MAX + 2)
58 #define PERF_COUNT_ARC_BPOK	(PERF_COUNT_HW_MAX + 3)
59 #define PERF_COUNT_ARC_EDTLB	(PERF_COUNT_HW_MAX + 4)
60 #define PERF_COUNT_ARC_EITLB	(PERF_COUNT_HW_MAX + 5)
61 #define PERF_COUNT_ARC_LDC	(PERF_COUNT_HW_MAX + 6)
62 #define PERF_COUNT_ARC_STC	(PERF_COUNT_HW_MAX + 7)
63 
64 #define PERF_COUNT_ARC_HW_MAX	(PERF_COUNT_HW_MAX + 8)
65 
66 #ifdef CONFIG_PERF_EVENTS
67 #define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs
68 #endif
69 
70 #endif /* __ASM_PERF_EVENT_H */
71