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Commit | Line | Data |
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e0a65194 | 1 | #! /usr/bin/env perl |
6ec5fce2 | 2 | # Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. |
e0a65194 RS |
3 | # |
4 | # Licensed under the OpenSSL license (the "License"). You may not use | |
5 | # this file except in compliance with the License. You can obtain a copy | |
6 | # in the file LICENSE in the source distribution or at | |
7 | # https://www.openssl.org/source/license.html | |
8 | ||
313e6ec1 AP |
9 | |
10 | $flavour = shift; | |
11 | $output = shift; | |
12 | ||
13 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; | |
14 | ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or | |
15 | ( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or | |
16 | die "can't locate arm-xlate.pl"; | |
17 | ||
18 | open OUT,"| \"$^X\" $xlate $flavour $output"; | |
19 | *STDOUT=*OUT; | |
20 | ||
21 | $code.=<<___; | |
87873f43 AP |
22 | #include "arm_arch.h" |
23 | ||
24 | .text | |
11208dcf AP |
25 | #if defined(__thumb2__) && !defined(__APPLE__) |
26 | .syntax unified | |
27 | .thumb | |
28 | #else | |
87873f43 | 29 | .code 32 |
c93f06c1 | 30 | #undef __thumb2__ |
11208dcf | 31 | #endif |
87873f43 | 32 | |
4afa9f03 | 33 | .align 5 |
87873f43 AP |
34 | .global OPENSSL_atomic_add |
35 | .type OPENSSL_atomic_add,%function | |
36 | OPENSSL_atomic_add: | |
37 | #if __ARM_ARCH__>=6 | |
38 | .Ladd: ldrex r2,[r0] | |
39 | add r3,r2,r1 | |
40 | strex r2,r3,[r0] | |
41 | cmp r2,#0 | |
42 | bne .Ladd | |
43 | mov r0,r3 | |
5dcf70a1 | 44 | bx lr |
87873f43 AP |
45 | #else |
46 | stmdb sp!,{r4-r6,lr} | |
47 | ldr r2,.Lspinlock | |
48 | adr r3,.Lspinlock | |
49 | mov r4,r0 | |
50 | mov r5,r1 | |
51 | add r6,r3,r2 @ &spinlock | |
52 | b .+8 | |
53 | .Lspin: bl sched_yield | |
54 | mov r0,#-1 | |
55 | swp r0,r0,[r6] | |
56 | cmp r0,#0 | |
57 | bne .Lspin | |
58 | ||
59 | ldr r2,[r4] | |
29fd6746 | 60 | add r2,r2,r5 |
87873f43 AP |
61 | str r2,[r4] |
62 | str r0,[r6] @ release spinlock | |
63 | ldmia sp!,{r4-r6,lr} | |
64 | tst lr,#1 | |
65 | moveq pc,lr | |
66 | .word 0xe12fff1e @ bx lr | |
67 | #endif | |
68 | .size OPENSSL_atomic_add,.-OPENSSL_atomic_add | |
69 | ||
70 | .global OPENSSL_cleanse | |
71 | .type OPENSSL_cleanse,%function | |
72 | OPENSSL_cleanse: | |
73 | eor ip,ip,ip | |
74 | cmp r1,#7 | |
11208dcf AP |
75 | #ifdef __thumb2__ |
76 | itt hs | |
77 | #endif | |
29fd6746 | 78 | subhs r1,r1,#4 |
87873f43 AP |
79 | bhs .Lot |
80 | cmp r1,#0 | |
81 | beq .Lcleanse_done | |
82 | .Little: | |
83 | strb ip,[r0],#1 | |
29fd6746 | 84 | subs r1,r1,#1 |
87873f43 AP |
85 | bhi .Little |
86 | b .Lcleanse_done | |
87 | ||
88 | .Lot: tst r0,#3 | |
89 | beq .Laligned | |
90 | strb ip,[r0],#1 | |
29fd6746 | 91 | sub r1,r1,#1 |
87873f43 AP |
92 | b .Lot |
93 | .Laligned: | |
94 | str ip,[r0],#4 | |
29fd6746 | 95 | subs r1,r1,#4 |
87873f43 | 96 | bhs .Laligned |
29fd6746 | 97 | adds r1,r1,#4 |
87873f43 AP |
98 | bne .Little |
99 | .Lcleanse_done: | |
5dcf70a1 AP |
100 | #if __ARM_ARCH__>=5 |
101 | bx lr | |
102 | #else | |
87873f43 AP |
103 | tst lr,#1 |
104 | moveq pc,lr | |
105 | .word 0xe12fff1e @ bx lr | |
5dcf70a1 | 106 | #endif |
87873f43 AP |
107 | .size OPENSSL_cleanse,.-OPENSSL_cleanse |
108 | ||
e33826f0 AP |
109 | .global CRYPTO_memcmp |
110 | .type CRYPTO_memcmp,%function | |
111 | .align 4 | |
112 | CRYPTO_memcmp: | |
113 | eor ip,ip,ip | |
114 | cmp r2,#0 | |
115 | beq .Lno_data | |
116 | stmdb sp!,{r4,r5} | |
117 | ||
118 | .Loop_cmp: | |
119 | ldrb r4,[r0],#1 | |
120 | ldrb r5,[r1],#1 | |
121 | eor r4,r4,r5 | |
122 | orr ip,ip,r4 | |
123 | subs r2,r2,#1 | |
124 | bne .Loop_cmp | |
125 | ||
126 | ldmia sp!,{r4,r5} | |
127 | .Lno_data: | |
198a2ed7 | 128 | rsb r0,ip,#0 |
e33826f0 AP |
129 | mov r0,r0,lsr#31 |
130 | #if __ARM_ARCH__>=5 | |
131 | bx lr | |
132 | #else | |
133 | tst lr,#1 | |
134 | moveq pc,lr | |
135 | .word 0xe12fff1e @ bx lr | |
136 | #endif | |
137 | .size CRYPTO_memcmp,.-CRYPTO_memcmp | |
138 | ||
c1669e1c AP |
139 | #if __ARM_MAX_ARCH__>=7 |
140 | .arch armv7-a | |
141 | .fpu neon | |
142 | ||
143 | .align 5 | |
144 | .global _armv7_neon_probe | |
145 | .type _armv7_neon_probe,%function | |
146 | _armv7_neon_probe: | |
147 | vorr q0,q0,q0 | |
148 | bx lr | |
149 | .size _armv7_neon_probe,.-_armv7_neon_probe | |
150 | ||
151 | .global _armv7_tick | |
152 | .type _armv7_tick,%function | |
153 | _armv7_tick: | |
313e6ec1 AP |
154 | #ifdef __APPLE__ |
155 | mrrc p15,0,r0,r1,c14 @ CNTPCT | |
156 | #else | |
c1669e1c | 157 | mrrc p15,1,r0,r1,c14 @ CNTVCT |
313e6ec1 | 158 | #endif |
c1669e1c AP |
159 | bx lr |
160 | .size _armv7_tick,.-_armv7_tick | |
161 | ||
162 | .global _armv8_aes_probe | |
163 | .type _armv8_aes_probe,%function | |
164 | _armv8_aes_probe: | |
11208dcf AP |
165 | #if defined(__thumb2__) && !defined(__APPLE__) |
166 | .byte 0xb0,0xff,0x00,0x03 @ aese.8 q0,q0 | |
167 | #else | |
c1669e1c | 168 | .byte 0x00,0x03,0xb0,0xf3 @ aese.8 q0,q0 |
11208dcf | 169 | #endif |
c1669e1c AP |
170 | bx lr |
171 | .size _armv8_aes_probe,.-_armv8_aes_probe | |
172 | ||
173 | .global _armv8_sha1_probe | |
174 | .type _armv8_sha1_probe,%function | |
175 | _armv8_sha1_probe: | |
11208dcf AP |
176 | #if defined(__thumb2__) && !defined(__APPLE__) |
177 | .byte 0x00,0xef,0x40,0x0c @ sha1c.32 q0,q0,q0 | |
178 | #else | |
c1669e1c | 179 | .byte 0x40,0x0c,0x00,0xf2 @ sha1c.32 q0,q0,q0 |
11208dcf | 180 | #endif |
c1669e1c AP |
181 | bx lr |
182 | .size _armv8_sha1_probe,.-_armv8_sha1_probe | |
183 | ||
184 | .global _armv8_sha256_probe | |
185 | .type _armv8_sha256_probe,%function | |
186 | _armv8_sha256_probe: | |
11208dcf AP |
187 | #if defined(__thumb2__) && !defined(__APPLE__) |
188 | .byte 0x00,0xff,0x40,0x0c @ sha256h.32 q0,q0,q0 | |
189 | #else | |
c1669e1c | 190 | .byte 0x40,0x0c,0x00,0xf3 @ sha256h.32 q0,q0,q0 |
11208dcf | 191 | #endif |
c1669e1c AP |
192 | bx lr |
193 | .size _armv8_sha256_probe,.-_armv8_sha256_probe | |
194 | .global _armv8_pmull_probe | |
195 | .type _armv8_pmull_probe,%function | |
196 | _armv8_pmull_probe: | |
11208dcf AP |
197 | #if defined(__thumb2__) && !defined(__APPLE__) |
198 | .byte 0xa0,0xef,0x00,0x0e @ vmull.p64 q0,d0,d0 | |
199 | #else | |
c1669e1c | 200 | .byte 0x00,0x0e,0xa0,0xf2 @ vmull.p64 q0,d0,d0 |
11208dcf | 201 | #endif |
c1669e1c AP |
202 | bx lr |
203 | .size _armv8_pmull_probe,.-_armv8_pmull_probe | |
204 | #endif | |
205 | ||
87873f43 AP |
206 | .global OPENSSL_wipe_cpu |
207 | .type OPENSSL_wipe_cpu,%function | |
208 | OPENSSL_wipe_cpu: | |
c1669e1c | 209 | #if __ARM_MAX_ARCH__>=7 |
87873f43 AP |
210 | ldr r0,.LOPENSSL_armcap |
211 | adr r1,.LOPENSSL_armcap | |
212 | ldr r0,[r1,r0] | |
313e6ec1 AP |
213 | #ifdef __APPLE__ |
214 | ldr r0,[r0] | |
215 | #endif | |
c1669e1c | 216 | #endif |
87873f43 AP |
217 | eor r2,r2,r2 |
218 | eor r3,r3,r3 | |
219 | eor ip,ip,ip | |
c1669e1c | 220 | #if __ARM_MAX_ARCH__>=7 |
87873f43 AP |
221 | tst r0,#1 |
222 | beq .Lwipe_done | |
c1669e1c AP |
223 | veor q0, q0, q0 |
224 | veor q1, q1, q1 | |
225 | veor q2, q2, q2 | |
226 | veor q3, q3, q3 | |
227 | veor q8, q8, q8 | |
228 | veor q9, q9, q9 | |
229 | veor q10, q10, q10 | |
230 | veor q11, q11, q11 | |
231 | veor q12, q12, q12 | |
232 | veor q13, q13, q13 | |
233 | veor q14, q14, q14 | |
234 | veor q15, q15, q15 | |
87873f43 | 235 | .Lwipe_done: |
c1669e1c | 236 | #endif |
87873f43 | 237 | mov r0,sp |
5dcf70a1 AP |
238 | #if __ARM_ARCH__>=5 |
239 | bx lr | |
240 | #else | |
87873f43 AP |
241 | tst lr,#1 |
242 | moveq pc,lr | |
243 | .word 0xe12fff1e @ bx lr | |
5dcf70a1 | 244 | #endif |
87873f43 AP |
245 | .size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu |
246 | ||
247 | .global OPENSSL_instrument_bus | |
248 | .type OPENSSL_instrument_bus,%function | |
249 | OPENSSL_instrument_bus: | |
250 | eor r0,r0,r0 | |
5dcf70a1 AP |
251 | #if __ARM_ARCH__>=5 |
252 | bx lr | |
253 | #else | |
87873f43 AP |
254 | tst lr,#1 |
255 | moveq pc,lr | |
256 | .word 0xe12fff1e @ bx lr | |
5dcf70a1 | 257 | #endif |
87873f43 AP |
258 | .size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus |
259 | ||
260 | .global OPENSSL_instrument_bus2 | |
261 | .type OPENSSL_instrument_bus2,%function | |
262 | OPENSSL_instrument_bus2: | |
263 | eor r0,r0,r0 | |
5dcf70a1 AP |
264 | #if __ARM_ARCH__>=5 |
265 | bx lr | |
266 | #else | |
87873f43 AP |
267 | tst lr,#1 |
268 | moveq pc,lr | |
269 | .word 0xe12fff1e @ bx lr | |
5dcf70a1 | 270 | #endif |
87873f43 AP |
271 | .size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2 |
272 | ||
273 | .align 5 | |
c1669e1c | 274 | #if __ARM_MAX_ARCH__>=7 |
87873f43 | 275 | .LOPENSSL_armcap: |
313e6ec1 | 276 | .word OPENSSL_armcap_P-. |
c1669e1c | 277 | #endif |
87873f43 AP |
278 | #if __ARM_ARCH__>=6 |
279 | .align 5 | |
280 | #else | |
281 | .Lspinlock: | |
282 | .word atomic_add_spinlock-.Lspinlock | |
283 | .align 5 | |
284 | ||
285 | .data | |
286 | .align 2 | |
287 | atomic_add_spinlock: | |
288 | .word 0 | |
289 | #endif | |
290 | ||
291 | .comm OPENSSL_armcap_P,4,4 | |
292 | .hidden OPENSSL_armcap_P | |
313e6ec1 AP |
293 | ___ |
294 | ||
295 | print $code; | |
296 | close STDOUT; |