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git01.mediatek.com / filogic / atf / 2260b8434fb6a16a7e2a68d9f3b2a68ccf2fbfbe / . / lib / extensions / amu / aarch32 / amu_helpers.S
blob: effb8e50f93bb86b020535a6eb2880ddd78a0615 [file] [log] [blame]
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]1/*
2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#include <arch.h>
8#include <assert_macros.S>
9#include <asm_macros.S>
10
11 .globl amu_group0_cnt_read_internal
12 .globl amu_group0_cnt_write_internal
13 .globl amu_group1_cnt_read_internal
14 .globl amu_group1_cnt_write_internal
15 .globl amu_group1_set_evtype_internal
16
17/*
18 * uint64_t amu_group0_cnt_read_internal(int idx);
19 *
20 * Given `idx`, read the corresponding AMU counter
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]21 * and return it in `r0` and `r1`.
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]22 */
23func amu_group0_cnt_read_internal
24#if ENABLE_ASSERTIONS
25 /* `idx` should be between [0, 3] */
26 mov r1, r0
27 lsr r1, r1, #2
28 cmp r1, #0
29 ASM_ASSERT(eq)
30#endif
31
32 /*
33 * Given `idx` calculate address of ldcopr16/bx lr instruction pair
34 * in the table below.
35 */
36 adr r1, 1f
37 lsl r0, r0, #3 /* each ldcopr16/bx lr sequence is 8 bytes */
38 add r1, r1, r0
39 bx r1
401:
41 ldcopr16 r0, r1, AMEVCNTR00 /* index 0 */
42 bx lr
43 ldcopr16 r0, r1, AMEVCNTR01 /* index 1 */
44 bx lr
45 ldcopr16 r0, r1, AMEVCNTR02 /* index 2 */
46 bx lr
47 ldcopr16 r0, r1, AMEVCNTR03 /* index 3 */
48 bx lr
49endfunc amu_group0_cnt_read_internal
50
51/*
52 * void amu_group0_cnt_write_internal(int idx, uint64_t val);
53 *
54 * Given `idx`, write `val` to the corresponding AMU counter.
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]55 * `idx` is passed in `r0` and `val` is passed in `r2` and `r3`.
56 * `r1` is used as a scratch register.
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]57 */
58func amu_group0_cnt_write_internal
59#if ENABLE_ASSERTIONS
60 /* `idx` should be between [0, 3] */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]61 mov r1, r0
62 lsr r1, r1, #2
63 cmp r1, #0
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]64 ASM_ASSERT(eq)
65#endif
66
67 /*
68 * Given `idx` calculate address of stcopr16/bx lr instruction pair
69 * in the table below.
70 */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]71 adr r1, 1f
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]72 lsl r0, r0, #3 /* each stcopr16/bx lr sequence is 8 bytes */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]73 add r1, r1, r0
74 bx r1
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]75
761:
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]77 stcopr16 r2, r3, AMEVCNTR00 /* index 0 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]78 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]79 stcopr16 r2, r3, AMEVCNTR01 /* index 1 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]80 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]81 stcopr16 r2, r3, AMEVCNTR02 /* index 2 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]82 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]83 stcopr16 r2, r3, AMEVCNTR03 /* index 3 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]84 bx lr
85endfunc amu_group0_cnt_write_internal
86
87/*
88 * uint64_t amu_group1_cnt_read_internal(int idx);
89 *
90 * Given `idx`, read the corresponding AMU counter
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]91 * and return it in `r0` and `r1`.
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]92 */
93func amu_group1_cnt_read_internal
94#if ENABLE_ASSERTIONS
95 /* `idx` should be between [0, 15] */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]96 mov r1, r0
97 lsr r1, r1, #4
98 cmp r1, #0
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]99 ASM_ASSERT(eq)
100#endif
101
102 /*
103 * Given `idx` calculate address of ldcopr16/bx lr instruction pair
104 * in the table below.
105 */
106 adr r1, 1f
107 lsl r0, r0, #3 /* each ldcopr16/bx lr sequence is 8 bytes */
108 add r1, r1, r0
109 bx r1
110
1111:
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]112 ldcopr16 r0, r1, AMEVCNTR10 /* index 0 */
113 bx lr
114 ldcopr16 r0, r1, AMEVCNTR11 /* index 1 */
115 bx lr
116 ldcopr16 r0, r1, AMEVCNTR12 /* index 2 */
117 bx lr
118 ldcopr16 r0, r1, AMEVCNTR13 /* index 3 */
119 bx lr
120 ldcopr16 r0, r1, AMEVCNTR14 /* index 4 */
121 bx lr
122 ldcopr16 r0, r1, AMEVCNTR15 /* index 5 */
123 bx lr
124 ldcopr16 r0, r1, AMEVCNTR16 /* index 6 */
125 bx lr
126 ldcopr16 r0, r1, AMEVCNTR17 /* index 7 */
127 bx lr
128 ldcopr16 r0, r1, AMEVCNTR18 /* index 8 */
129 bx lr
130 ldcopr16 r0, r1, AMEVCNTR19 /* index 9 */
131 bx lr
132 ldcopr16 r0, r1, AMEVCNTR1A /* index 10 */
133 bx lr
134 ldcopr16 r0, r1, AMEVCNTR1B /* index 11 */
135 bx lr
136 ldcopr16 r0, r1, AMEVCNTR1C /* index 12 */
137 bx lr
138 ldcopr16 r0, r1, AMEVCNTR1D /* index 13 */
139 bx lr
140 ldcopr16 r0, r1, AMEVCNTR1E /* index 14 */
141 bx lr
142 ldcopr16 r0, r1, AMEVCNTR1F /* index 15 */
143 bx lr
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]144endfunc amu_group1_cnt_read_internal
145
146/*
147 * void amu_group1_cnt_write_internal(int idx, uint64_t val);
148 *
149 * Given `idx`, write `val` to the corresponding AMU counter.
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]150 * `idx` is passed in `r0` and `val` is passed in `r2` and `r3`.
151 * `r1` is used as a scratch register.
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]152 */
153func amu_group1_cnt_write_internal
154#if ENABLE_ASSERTIONS
155 /* `idx` should be between [0, 15] */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]156 mov r1, r0
157 lsr r1, r1, #4
158 cmp r1, #0
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]159 ASM_ASSERT(eq)
160#endif
161
162 /*
163 * Given `idx` calculate address of ldcopr16/bx lr instruction pair
164 * in the table below.
165 */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]166 adr r1, 1f
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]167 lsl r0, r0, #3 /* each stcopr16/bx lr sequence is 8 bytes */
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]168 add r1, r1, r0
169 bx r1
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]170
1711:
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]172 stcopr16 r2, r3, AMEVCNTR10 /* index 0 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]173 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]174 stcopr16 r2, r3, AMEVCNTR11 /* index 1 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]175 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]176 stcopr16 r2, r3, AMEVCNTR12 /* index 2 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]177 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]178 stcopr16 r2, r3, AMEVCNTR13 /* index 3 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]179 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]180 stcopr16 r2, r3, AMEVCNTR14 /* index 4 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]181 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]182 stcopr16 r2, r3, AMEVCNTR15 /* index 5 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]183 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]184 stcopr16 r2, r3, AMEVCNTR16 /* index 6 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]185 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]186 stcopr16 r2, r3, AMEVCNTR17 /* index 7 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]187 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]188 stcopr16 r2, r3, AMEVCNTR18 /* index 8 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]189 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]190 stcopr16 r2, r3, AMEVCNTR19 /* index 9 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]191 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]192 stcopr16 r2, r3, AMEVCNTR1A /* index 10 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]193 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]194 stcopr16 r2, r3, AMEVCNTR1B /* index 11 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]195 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]196 stcopr16 r2, r3, AMEVCNTR1C /* index 12 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]197 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]198 stcopr16 r2, r3, AMEVCNTR1D /* index 13 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]199 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]200 stcopr16 r2, r3, AMEVCNTR1E /* index 14 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]201 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]202 stcopr16 r2, r3, AMEVCNTR1F /* index 15 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]203 bx lr
204endfunc amu_group1_cnt_write_internal
205
206/*
207 * void amu_group1_set_evtype_internal(int idx, unsigned int val);
208 *
209 * Program the AMU event type register indexed by `idx`
210 * with the value `val`.
211 */
212func amu_group1_set_evtype_internal
213#if ENABLE_ASSERTIONS
214 /* `idx` should be between [0, 15] */
215 mov r2, r0
216 lsr r2, r2, #4
217 cmp r2, #0
218 ASM_ASSERT(eq)
219
220 /* val should be between [0, 65535] */
221 mov r2, r1
222 lsr r2, r2, #16
223 cmp r2, #0
224 ASM_ASSERT(eq)
225#endif
226
227 /*
228 * Given `idx` calculate address of stcopr/bx lr instruction pair
229 * in the table below.
230 */
231 adr r2, 1f
232 lsl r0, r0, #3 /* each stcopr/bx lr sequence is 8 bytes */
233 add r2, r2, r0
234 bx r2
235
2361:
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]237 stcopr r1, AMEVTYPER10 /* index 0 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]238 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]239 stcopr r1, AMEVTYPER11 /* index 1 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]240 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]241 stcopr r1, AMEVTYPER12 /* index 2 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]242 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]243 stcopr r1, AMEVTYPER13 /* index 3 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]244 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]245 stcopr r1, AMEVTYPER14 /* index 4 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]246 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]247 stcopr r1, AMEVTYPER15 /* index 5 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]248 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]249 stcopr r1, AMEVTYPER16 /* index 6 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]250 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]251 stcopr r1, AMEVTYPER17 /* index 7 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]252 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]253 stcopr r1, AMEVTYPER18 /* index 8 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]254 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]255 stcopr r1, AMEVTYPER19 /* index 9 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]256 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]257 stcopr r1, AMEVTYPER1A /* index 10 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]258 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]259 stcopr r1, AMEVTYPER1B /* index 11 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]260 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]261 stcopr r1, AMEVTYPER1C /* index 12 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]262 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]263 stcopr r1, AMEVTYPER1D /* index 13 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]264 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]265 stcopr r1, AMEVTYPER1E /* index 14 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]266 bx lr
Dimitris Papastamose0848e92018-02-20 12:25:36 +0000[diff] [blame]267 stcopr r1, AMEVTYPER1F /* index 15 */
Joel Hutton2691bc62017-12-12 15:47:55 +0000[diff] [blame]268 bx lr
269endfunc amu_group1_set_evtype_internal