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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / 0e1612a7d1578217f89bd55ac2c0d582e2f44c0f / . / post / lib_powerpc / asm.S
blob: 76d2822bfa210709ef966fd11f5f7bf93f7599e6 [file] [log] [blame]
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]1/*
2 * Copyright (C) 2002 Wolfgang Denk <wd@denx.de>
3 *
Wolfgang Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]4 * SPDX-License-Identifier: GPL-2.0+
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]5 */
6
7#include <config.h>
8
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]9#include <post.h>
10#include <ppc_asm.tmpl>
11#include <ppc_defs.h>
12#include <asm/cache.h>
13
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200[diff] [blame]14#if CONFIG_POST & CONFIG_SYS_POST_CPU
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]15
16/* void cpu_post_exec_02 (ulong *code, ulong op1, ulong op2); */
17 .global cpu_post_exec_02
18cpu_post_exec_02:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]19 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]20 mflr r0
21 stwu r0, -4(r1)
22
23 subi r1, r1, 104
24 stmw r6, 0(r1)
25
26 mtlr r3
27 mr r3, r4
28 mr r4, r5
29 blrl
30
31 lmw r6, 0(r1)
32 addi r1, r1, 104
33
34 lwz r0, 0(r1)
35 addi r1, r1, 4
36 mtlr r0
37 blr
38
39/* void cpu_post_exec_04 (ulong *code, ulong op1, ulong op2, ulong op3, ulong op4); */
40 .global cpu_post_exec_04
41cpu_post_exec_04:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]42 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]43 mflr r0
44 stwu r0, -4(r1)
45
46 subi r1, r1, 96
47 stmw r8, 0(r1)
48
49 mtlr r3
50 mr r3, r4
51 mr r4, r5
52 mr r5, r6
53 mtxer r7
54 blrl
55
56 lmw r8, 0(r1)
57 addi r1, r1, 96
58
59 lwz r0, 0(r1)
60 addi r1, r1, 4
61 mtlr r0
62 blr
63
64/* void cpu_post_exec_12 (ulong *code, ulong *res, ulong op1, ulong op2); */
65 .global cpu_post_exec_12
66cpu_post_exec_12:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]67 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]68 mflr r0
69 stwu r0, -4(r1)
70 stwu r4, -4(r1)
71
72 mtlr r3
73 mr r3, r5
74 mr r4, r6
75 blrl
76
77 lwz r4, 0(r1)
78 stw r3, 0(r4)
79
80 lwz r0, 4(r1)
81 addi r1, r1, 8
82 mtlr r0
83 blr
84
85/* void cpu_post_exec_11 (ulong *code, ulong *res, ulong op1); */
86 .global cpu_post_exec_11
87cpu_post_exec_11:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]88 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]89 mflr r0
90 stwu r0, -4(r1)
91 stwu r4, -4(r1)
92
93 mtlr r3
94 mr r3, r5
95 blrl
96
97 lwz r4, 0(r1)
98 stw r3, 0(r4)
99
100 lwz r0, 4(r1)
101 addi r1, r1, 8
102 mtlr r0
103 blr
104
105/* void cpu_post_exec_21 (ulong *code, ulong *cr, ulong *res, ulong op1); */
106 .global cpu_post_exec_21
107cpu_post_exec_21:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]108 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]109 mflr r0
110 stwu r0, -4(r1)
111 stwu r4, -4(r1)
112 stwu r5, -4(r1)
113
114 li r0, 0
115 mtxer r0
116 lwz r0, 0(r4)
117 mtcr r0
118
119 mtlr r3
120 mr r3, r6
121 blrl
122
123 mfcr r0
124 lwz r4, 4(r1)
125 stw r0, 0(r4)
126 lwz r4, 0(r1)
127 stw r3, 0(r4)
128
129 lwz r0, 8(r1)
130 addi r1, r1, 12
131 mtlr r0
132 blr
133
134/* void cpu_post_exec_22 (ulong *code, ulong *cr, ulong *res, ulong op1,
135 ulong op2); */
136 .global cpu_post_exec_22
137cpu_post_exec_22:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]138 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]139 mflr r0
140 stwu r0, -4(r1)
141 stwu r4, -4(r1)
142 stwu r5, -4(r1)
143
144 li r0, 0
145 mtxer r0
146 lwz r0, 0(r4)
147 mtcr r0
148
149 mtlr r3
150 mr r3, r6
151 mr r4, r7
152 blrl
153
154 mfcr r0
155 lwz r4, 4(r1)
156 stw r0, 0(r4)
157 lwz r4, 0(r1)
158 stw r3, 0(r4)
159
160 lwz r0, 8(r1)
161 addi r1, r1, 12
162 mtlr r0
163 blr
164
165/* void cpu_post_exec_12w (ulong *code, ulong *op1, ulong op2, ulong op3); */
166 .global cpu_post_exec_12w
167cpu_post_exec_12w:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]168 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]169 mflr r0
170 stwu r0, -4(r1)
171 stwu r4, -4(r1)
172
173 mtlr r3
174 lwz r3, 0(r4)
175 mr r4, r5
176 mr r5, r6
177 blrl
178
179 lwz r4, 0(r1)
180 stw r3, 0(r4)
181
182 lwz r0, 4(r1)
183 addi r1, r1, 8
184 mtlr r0
185 blr
186
187/* void cpu_post_exec_11w (ulong *code, ulong *op1, ulong op2); */
188 .global cpu_post_exec_11w
189cpu_post_exec_11w:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]190 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]191 mflr r0
192 stwu r0, -4(r1)
193 stwu r4, -4(r1)
194
195 mtlr r3
196 lwz r3, 0(r4)
197 mr r4, r5
198 blrl
199
200 lwz r4, 0(r1)
201 stw r3, 0(r4)
202
203 lwz r0, 4(r1)
204 addi r1, r1, 8
205 mtlr r0
206 blr
207
208/* void cpu_post_exec_22w (ulong *code, ulong *op1, ulong op2, ulong *op3); */
209 .global cpu_post_exec_22w
210cpu_post_exec_22w:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]211 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]212 mflr r0
213 stwu r0, -4(r1)
214 stwu r4, -4(r1)
215 stwu r6, -4(r1)
216
217 mtlr r3
218 lwz r3, 0(r4)
219 mr r4, r5
220 blrl
221
222 lwz r4, 4(r1)
223 stw r3, 0(r4)
224 lwz r4, 0(r1)
225 stw r5, 0(r4)
226
227 lwz r0, 8(r1)
228 addi r1, r1, 12
229 mtlr r0
230 blr
231
232/* void cpu_post_exec_21w (ulong *code, ulong *op1, ulong *op2); */
233 .global cpu_post_exec_21w
234cpu_post_exec_21w:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]235 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]236 mflr r0
237 stwu r0, -4(r1)
238 stwu r4, -4(r1)
239 stwu r5, -4(r1)
240
241 mtlr r3
242 lwz r3, 0(r4)
243 blrl
244
245 lwz r5, 4(r1)
246 stw r3, 0(r5)
247 lwz r5, 0(r1)
248 stw r4, 0(r5)
249
250 lwz r0, 8(r1)
251 addi r1, r1, 12
252 mtlr r0
253 blr
254
255/* void cpu_post_exec_21x (ulong *code, ulong *op1, ulong *op2, ulong op3); */
256 .global cpu_post_exec_21x
257cpu_post_exec_21x:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]258 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]259 mflr r0
260 stwu r0, -4(r1)
261 stwu r4, -4(r1)
262 stwu r5, -4(r1)
263
264 mtlr r3
265 mr r3, r6
266 blrl
267
268 lwz r5, 4(r1)
269 stw r3, 0(r5)
270 lwz r5, 0(r1)
271 stw r4, 0(r5)
272
273 lwz r0, 8(r1)
274 addi r1, r1, 12
275 mtlr r0
276 blr
277
278/* void cpu_post_exec_31 (ulong *code, ulong *ctr, ulong *lr, ulong *jump,
279 ulong cr); */
280 .global cpu_post_exec_31
281cpu_post_exec_31:
Igor Lisitsina11e0692007-03-28 19:06:19 +0400[diff] [blame]282 isync
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]283 mflr r0
284 stwu r0, -4(r1)
285 stwu r4, -4(r1)
286 stwu r5, -4(r1)
287 stwu r6, -4(r1)
288
289 mtlr r3
290 lwz r3, 0(r4)
291 lwz r4, 0(r5)
292 mr r6, r7
Yuri Tikhonov928d1d72008-02-21 11:06:07 +0100[diff] [blame]293
294 mfcr r7
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]295 blrl
Yuri Tikhonov928d1d72008-02-21 11:06:07 +0100[diff] [blame]296 mtcr r7
Wolfgang Denkad5bb452007-03-06 18:08:43 +0100[diff] [blame]297
298 lwz r7, 8(r1)
299 stw r3, 0(r7)
300 lwz r7, 4(r1)
301 stw r4, 0(r7)
302 lwz r7, 0(r1)
303 stw r5, 0(r7)
304
305 lwz r0, 12(r1)
306 addi r1, r1, 16
307 mtlr r0
308 blr
309
310/* int cpu_post_complex_1_asm (int a1, int a2, int a3, int a4, int n); */
311 .global cpu_post_complex_1_asm
312cpu_post_complex_1_asm:
313 li r9,0
314 cmpw r9,r7
315 bge cpu_post_complex_1_done
316 mtctr r7
317cpu_post_complex_1_loop:
318 mullw r0,r3,r4
319 subf r0,r5,r0
320 divw r0,r0,r6
321 add r9,r9,r0
322 bdnz cpu_post_complex_1_loop
323cpu_post_complex_1_done:
324 mr r3,r9
325 blr
326
327/* int cpu_post_complex_2_asm (int x, int n); */
328 .global cpu_post_complex_2_asm
329cpu_post_complex_2_asm:
330 mr. r0,r4
331 mtctr r0
332 mr r0,r3
333 li r3,1
334 li r4,1
335 blelr
336cpu_post_complex_2_loop:
337 mullw r3,r3,r0
338 add r3,r3,r4
339 bdnz cpu_post_complex_2_loop
340blr
341
342#endif