diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S')
-rw-r--r-- | tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S new file mode 100644 index 000000000000..c7e4093f1cd3 --- /dev/null +++ b/tools/testing/selftests/powerpc/pmu/ebb/busy_loop.S | |||
@@ -0,0 +1,271 @@ | |||
1 | /* | ||
2 | * Copyright 2014, Michael Ellerman, IBM Corp. | ||
3 | * Licensed under GPLv2. | ||
4 | */ | ||
5 | |||
6 | #include <ppc-asm.h> | ||
7 | |||
8 | .text | ||
9 | |||
10 | FUNC_START(core_busy_loop) | ||
11 | stdu %r1, -168(%r1) | ||
12 | std r14, 160(%r1) | ||
13 | std r15, 152(%r1) | ||
14 | std r16, 144(%r1) | ||
15 | std r17, 136(%r1) | ||
16 | std r18, 128(%r1) | ||
17 | std r19, 120(%r1) | ||
18 | std r20, 112(%r1) | ||
19 | std r21, 104(%r1) | ||
20 | std r22, 96(%r1) | ||
21 | std r23, 88(%r1) | ||
22 | std r24, 80(%r1) | ||
23 | std r25, 72(%r1) | ||
24 | std r26, 64(%r1) | ||
25 | std r27, 56(%r1) | ||
26 | std r28, 48(%r1) | ||
27 | std r29, 40(%r1) | ||
28 | std r30, 32(%r1) | ||
29 | std r31, 24(%r1) | ||
30 | |||
31 | li r3, 0x3030 | ||
32 | std r3, -96(%r1) | ||
33 | li r4, 0x4040 | ||
34 | std r4, -104(%r1) | ||
35 | li r5, 0x5050 | ||
36 | std r5, -112(%r1) | ||
37 | li r6, 0x6060 | ||
38 | std r6, -120(%r1) | ||
39 | li r7, 0x7070 | ||
40 | std r7, -128(%r1) | ||
41 | li r8, 0x0808 | ||
42 | std r8, -136(%r1) | ||
43 | li r9, 0x0909 | ||
44 | std r9, -144(%r1) | ||
45 | li r10, 0x1010 | ||
46 | std r10, -152(%r1) | ||
47 | li r11, 0x1111 | ||
48 | std r11, -160(%r1) | ||
49 | li r14, 0x1414 | ||
50 | std r14, -168(%r1) | ||
51 | li r15, 0x1515 | ||
52 | std r15, -176(%r1) | ||
53 | li r16, 0x1616 | ||
54 | std r16, -184(%r1) | ||
55 | li r17, 0x1717 | ||
56 | std r17, -192(%r1) | ||
57 | li r18, 0x1818 | ||
58 | std r18, -200(%r1) | ||
59 | li r19, 0x1919 | ||
60 | std r19, -208(%r1) | ||
61 | li r20, 0x2020 | ||
62 | std r20, -216(%r1) | ||
63 | li r21, 0x2121 | ||
64 | std r21, -224(%r1) | ||
65 | li r22, 0x2222 | ||
66 | std r22, -232(%r1) | ||
67 | li r23, 0x2323 | ||
68 | std r23, -240(%r1) | ||
69 | li r24, 0x2424 | ||
70 | std r24, -248(%r1) | ||
71 | li r25, 0x2525 | ||
72 | std r25, -256(%r1) | ||
73 | li r26, 0x2626 | ||
74 | std r26, -264(%r1) | ||
75 | li r27, 0x2727 | ||
76 | std r27, -272(%r1) | ||
77 | li r28, 0x2828 | ||
78 | std r28, -280(%r1) | ||
79 | li r29, 0x2929 | ||
80 | std r29, -288(%r1) | ||
81 | li r30, 0x3030 | ||
82 | li r31, 0x3131 | ||
83 | |||
84 | li r3, 0 | ||
85 | 0: addi r3, r3, 1 | ||
86 | cmpwi r3, 100 | ||
87 | blt 0b | ||
88 | |||
89 | /* Return 1 (fail) unless we get through all the checks */ | ||
90 | li r3, 1 | ||
91 | |||
92 | /* Check none of our registers have been corrupted */ | ||
93 | cmpwi r4, 0x4040 | ||
94 | bne 1f | ||
95 | cmpwi r5, 0x5050 | ||
96 | bne 1f | ||
97 | cmpwi r6, 0x6060 | ||
98 | bne 1f | ||
99 | cmpwi r7, 0x7070 | ||
100 | bne 1f | ||
101 | cmpwi r8, 0x0808 | ||
102 | bne 1f | ||
103 | cmpwi r9, 0x0909 | ||
104 | bne 1f | ||
105 | cmpwi r10, 0x1010 | ||
106 | bne 1f | ||
107 | cmpwi r11, 0x1111 | ||
108 | bne 1f | ||
109 | cmpwi r14, 0x1414 | ||
110 | bne 1f | ||
111 | cmpwi r15, 0x1515 | ||
112 | bne 1f | ||
113 | cmpwi r16, 0x1616 | ||
114 | bne 1f | ||
115 | cmpwi r17, 0x1717 | ||
116 | bne 1f | ||
117 | cmpwi r18, 0x1818 | ||
118 | bne 1f | ||
119 | cmpwi r19, 0x1919 | ||
120 | bne 1f | ||
121 | cmpwi r20, 0x2020 | ||
122 | bne 1f | ||
123 | cmpwi r21, 0x2121 | ||
124 | bne 1f | ||
125 | cmpwi r22, 0x2222 | ||
126 | bne 1f | ||
127 | cmpwi r23, 0x2323 | ||
128 | bne 1f | ||
129 | cmpwi r24, 0x2424 | ||
130 | bne 1f | ||
131 | cmpwi r25, 0x2525 | ||
132 | bne 1f | ||
133 | cmpwi r26, 0x2626 | ||
134 | bne 1f | ||
135 | cmpwi r27, 0x2727 | ||
136 | bne 1f | ||
137 | cmpwi r28, 0x2828 | ||
138 | bne 1f | ||
139 | cmpwi r29, 0x2929 | ||
140 | bne 1f | ||
141 | cmpwi r30, 0x3030 | ||
142 | bne 1f | ||
143 | cmpwi r31, 0x3131 | ||
144 | bne 1f | ||
145 | |||
146 | /* Load junk into all our registers before we reload them from the stack. */ | ||
147 | li r3, 0xde | ||
148 | li r4, 0xad | ||
149 | li r5, 0xbe | ||
150 | li r6, 0xef | ||
151 | li r7, 0xde | ||
152 | li r8, 0xad | ||
153 | li r9, 0xbe | ||
154 | li r10, 0xef | ||
155 | li r11, 0xde | ||
156 | li r14, 0xad | ||
157 | li r15, 0xbe | ||
158 | li r16, 0xef | ||
159 | li r17, 0xde | ||
160 | li r18, 0xad | ||
161 | li r19, 0xbe | ||
162 | li r20, 0xef | ||
163 | li r21, 0xde | ||
164 | li r22, 0xad | ||
165 | li r23, 0xbe | ||
166 | li r24, 0xef | ||
167 | li r25, 0xde | ||
168 | li r26, 0xad | ||
169 | li r27, 0xbe | ||
170 | li r28, 0xef | ||
171 | li r29, 0xdd | ||
172 | |||
173 | ld r3, -96(%r1) | ||
174 | cmpwi r3, 0x3030 | ||
175 | bne 1f | ||
176 | ld r4, -104(%r1) | ||
177 | cmpwi r4, 0x4040 | ||
178 | bne 1f | ||
179 | ld r5, -112(%r1) | ||
180 | cmpwi r5, 0x5050 | ||
181 | bne 1f | ||
182 | ld r6, -120(%r1) | ||
183 | cmpwi r6, 0x6060 | ||
184 | bne 1f | ||
185 | ld r7, -128(%r1) | ||
186 | cmpwi r7, 0x7070 | ||
187 | bne 1f | ||
188 | ld r8, -136(%r1) | ||
189 | cmpwi r8, 0x0808 | ||
190 | bne 1f | ||
191 | ld r9, -144(%r1) | ||
192 | cmpwi r9, 0x0909 | ||
193 | bne 1f | ||
194 | ld r10, -152(%r1) | ||
195 | cmpwi r10, 0x1010 | ||
196 | bne 1f | ||
197 | ld r11, -160(%r1) | ||
198 | cmpwi r11, 0x1111 | ||
199 | bne 1f | ||
200 | ld r14, -168(%r1) | ||
201 | cmpwi r14, 0x1414 | ||
202 | bne 1f | ||
203 | ld r15, -176(%r1) | ||
204 | cmpwi r15, 0x1515 | ||
205 | bne 1f | ||
206 | ld r16, -184(%r1) | ||
207 | cmpwi r16, 0x1616 | ||
208 | bne 1f | ||
209 | ld r17, -192(%r1) | ||
210 | cmpwi r17, 0x1717 | ||
211 | bne 1f | ||
212 | ld r18, -200(%r1) | ||
213 | cmpwi r18, 0x1818 | ||
214 | bne 1f | ||
215 | ld r19, -208(%r1) | ||
216 | cmpwi r19, 0x1919 | ||
217 | bne 1f | ||
218 | ld r20, -216(%r1) | ||
219 | cmpwi r20, 0x2020 | ||
220 | bne 1f | ||
221 | ld r21, -224(%r1) | ||
222 | cmpwi r21, 0x2121 | ||
223 | bne 1f | ||
224 | ld r22, -232(%r1) | ||
225 | cmpwi r22, 0x2222 | ||
226 | bne 1f | ||
227 | ld r23, -240(%r1) | ||
228 | cmpwi r23, 0x2323 | ||
229 | bne 1f | ||
230 | ld r24, -248(%r1) | ||
231 | cmpwi r24, 0x2424 | ||
232 | bne 1f | ||
233 | ld r25, -256(%r1) | ||
234 | cmpwi r25, 0x2525 | ||
235 | bne 1f | ||
236 | ld r26, -264(%r1) | ||
237 | cmpwi r26, 0x2626 | ||
238 | bne 1f | ||
239 | ld r27, -272(%r1) | ||
240 | cmpwi r27, 0x2727 | ||
241 | bne 1f | ||
242 | ld r28, -280(%r1) | ||
243 | cmpwi r28, 0x2828 | ||
244 | bne 1f | ||
245 | ld r29, -288(%r1) | ||
246 | cmpwi r29, 0x2929 | ||
247 | bne 1f | ||
248 | |||
249 | /* Load 0 (success) to return */ | ||
250 | li r3, 0 | ||
251 | |||
252 | 1: ld r14, 160(%r1) | ||
253 | ld r15, 152(%r1) | ||
254 | ld r16, 144(%r1) | ||
255 | ld r17, 136(%r1) | ||
256 | ld r18, 128(%r1) | ||
257 | ld r19, 120(%r1) | ||
258 | ld r20, 112(%r1) | ||
259 | ld r21, 104(%r1) | ||
260 | ld r22, 96(%r1) | ||
261 | ld r23, 88(%r1) | ||
262 | ld r24, 80(%r1) | ||
263 | ld r25, 72(%r1) | ||
264 | ld r26, 64(%r1) | ||
265 | ld r27, 56(%r1) | ||
266 | ld r28, 48(%r1) | ||
267 | ld r29, 40(%r1) | ||
268 | ld r30, 32(%r1) | ||
269 | ld r31, 24(%r1) | ||
270 | addi %r1, %r1, 168 | ||
271 | blr | ||