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a818c563 MP |
1 | /* |
2 | * Copyright(C) 2015 Linaro Limited. All rights reserved. | |
3 | * Author: Mathieu Poirier <mathieu.poirier@linaro.org> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
12 | * more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License along with | |
15 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #ifndef INCLUDE__UTIL_PERF_CS_ETM_H__ | |
19 | #define INCLUDE__UTIL_PERF_CS_ETM_H__ | |
20 | ||
21 | /* Versionning header in case things need tro change in the future. That way | |
22 | * decoding of old snapshot is still possible. | |
23 | */ | |
24 | enum { | |
25 | /* Starting with 0x0 */ | |
26 | CS_HEADER_VERSION_0, | |
27 | /* PMU->type (32 bit), total # of CPUs (32 bit) */ | |
28 | CS_PMU_TYPE_CPUS, | |
29 | CS_ETM_SNAPSHOT, | |
30 | CS_HEADER_VERSION_0_MAX, | |
31 | }; | |
32 | ||
33 | /* Beginning of header common to both ETMv3 and V4 */ | |
34 | enum { | |
35 | CS_ETM_MAGIC, | |
36 | CS_ETM_CPU, | |
37 | }; | |
38 | ||
39 | /* ETMv3/PTM metadata */ | |
40 | enum { | |
41 | /* Dynamic, configurable parameters */ | |
42 | CS_ETM_ETMCR = CS_ETM_CPU + 1, | |
43 | CS_ETM_ETMTRACEIDR, | |
44 | /* RO, taken from sysFS */ | |
45 | CS_ETM_ETMCCER, | |
46 | CS_ETM_ETMIDR, | |
47 | CS_ETM_PRIV_MAX, | |
48 | }; | |
49 | ||
50 | /* ETMv4 metadata */ | |
51 | enum { | |
52 | /* Dynamic, configurable parameters */ | |
53 | CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1, | |
54 | CS_ETMV4_TRCTRACEIDR, | |
55 | /* RO, taken from sysFS */ | |
56 | CS_ETMV4_TRCIDR0, | |
57 | CS_ETMV4_TRCIDR1, | |
58 | CS_ETMV4_TRCIDR2, | |
59 | CS_ETMV4_TRCIDR8, | |
60 | CS_ETMV4_TRCAUTHSTATUS, | |
61 | CS_ETMV4_PRIV_MAX, | |
62 | }; | |
63 | ||
64 | #define KiB(x) ((x) * 1024) | |
65 | #define MiB(x) ((x) * 1024 * 1024) | |
66 | ||
67 | #define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64)) | |
68 | ||
69 | static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL; | |
70 | static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL; | |
71 | #define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64)) | |
72 | #define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64)) | |
73 | ||
74 | #endif |