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source: vbox/trunk/src/libs/openssl-1.1.1l/crypto/armv4cpuid.pl@ 91977

最後變更 在這個檔案從91977是 91772,由 vboxsync 提交於 3 年 前

openssl-1.1.1l: Applied and adjusted our OpenSSL changes to 1.1.1l. bugref:10126

檔案大小: 5.3 KB
 
1#! /usr/bin/env perl
2# Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
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
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 $xlate) or
16die "can't locate arm-xlate.pl";
17
18open OUT,"| \"$^X\" $xlate $flavour $output";
19*STDOUT=*OUT;
20
21$code.=<<___;
22#include "arm_arch.h"
23
24.text
25#if defined(__thumb2__) && !defined(__APPLE__)
26.syntax unified
27.thumb
28#else
29.code 32
30#undef __thumb2__
31#endif
32
33.align 5
34.global OPENSSL_atomic_add
35.type OPENSSL_atomic_add,%function
36OPENSSL_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
44 bx lr
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]
60 add r2,r2,r5
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
72OPENSSL_cleanse:
73 eor ip,ip,ip
74 cmp r1,#7
75#ifdef __thumb2__
76 itt hs
77#endif
78 subhs r1,r1,#4
79 bhs .Lot
80 cmp r1,#0
81 beq .Lcleanse_done
82.Little:
83 strb ip,[r0],#1
84 subs r1,r1,#1
85 bhi .Little
86 b .Lcleanse_done
87
88.Lot: tst r0,#3
89 beq .Laligned
90 strb ip,[r0],#1
91 sub r1,r1,#1
92 b .Lot
93.Laligned:
94 str ip,[r0],#4
95 subs r1,r1,#4
96 bhs .Laligned
97 adds r1,r1,#4
98 bne .Little
99.Lcleanse_done:
100#if __ARM_ARCH__>=5
101 bx lr
102#else
103 tst lr,#1
104 moveq pc,lr
105 .word 0xe12fff1e @ bx lr
106#endif
107.size OPENSSL_cleanse,.-OPENSSL_cleanse
108
109.global CRYPTO_memcmp
110.type CRYPTO_memcmp,%function
111.align 4
112CRYPTO_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:
128 rsb r0,ip,#0
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
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:
154#ifdef __APPLE__
155 mrrc p15,0,r0,r1,c14 @ CNTPCT
156#else
157 mrrc p15,1,r0,r1,c14 @ CNTVCT
158#endif
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:
165#if defined(__thumb2__) && !defined(__APPLE__)
166 .byte 0xb0,0xff,0x00,0x03 @ aese.8 q0,q0
167#else
168 .byte 0x00,0x03,0xb0,0xf3 @ aese.8 q0,q0
169#endif
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:
176#if defined(__thumb2__) && !defined(__APPLE__)
177 .byte 0x00,0xef,0x40,0x0c @ sha1c.32 q0,q0,q0
178#else
179 .byte 0x40,0x0c,0x00,0xf2 @ sha1c.32 q0,q0,q0
180#endif
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:
187#if defined(__thumb2__) && !defined(__APPLE__)
188 .byte 0x00,0xff,0x40,0x0c @ sha256h.32 q0,q0,q0
189#else
190 .byte 0x40,0x0c,0x00,0xf3 @ sha256h.32 q0,q0,q0
191#endif
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:
197#if defined(__thumb2__) && !defined(__APPLE__)
198 .byte 0xa0,0xef,0x00,0x0e @ vmull.p64 q0,d0,d0
199#else
200 .byte 0x00,0x0e,0xa0,0xf2 @ vmull.p64 q0,d0,d0
201#endif
202 bx lr
203.size _armv8_pmull_probe,.-_armv8_pmull_probe
204#endif
205
206.global OPENSSL_wipe_cpu
207.type OPENSSL_wipe_cpu,%function
208OPENSSL_wipe_cpu:
209#if __ARM_MAX_ARCH__>=7
210 ldr r0,.LOPENSSL_armcap
211 adr r1,.LOPENSSL_armcap
212 ldr r0,[r1,r0]
213#ifdef __APPLE__
214 ldr r0,[r0]
215#endif
216#endif
217 eor r2,r2,r2
218 eor r3,r3,r3
219 eor ip,ip,ip
220#if __ARM_MAX_ARCH__>=7
221 tst r0,#1
222 beq .Lwipe_done
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
235.Lwipe_done:
236#endif
237 mov r0,sp
238#if __ARM_ARCH__>=5
239 bx lr
240#else
241 tst lr,#1
242 moveq pc,lr
243 .word 0xe12fff1e @ bx lr
244#endif
245.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
246
247.global OPENSSL_instrument_bus
248.type OPENSSL_instrument_bus,%function
249OPENSSL_instrument_bus:
250 eor r0,r0,r0
251#if __ARM_ARCH__>=5
252 bx lr
253#else
254 tst lr,#1
255 moveq pc,lr
256 .word 0xe12fff1e @ bx lr
257#endif
258.size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
259
260.global OPENSSL_instrument_bus2
261.type OPENSSL_instrument_bus2,%function
262OPENSSL_instrument_bus2:
263 eor r0,r0,r0
264#if __ARM_ARCH__>=5
265 bx lr
266#else
267 tst lr,#1
268 moveq pc,lr
269 .word 0xe12fff1e @ bx lr
270#endif
271.size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
272
273.align 5
274#if __ARM_MAX_ARCH__>=7
275.LOPENSSL_armcap:
276.word OPENSSL_armcap_P-.
277#endif
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
287atomic_add_spinlock:
288.word 0
289#endif
290
291.comm OPENSSL_armcap_P,4,4
292.hidden OPENSSL_armcap_P
293___
294
295print $code;
296close STDOUT or die "error closing STDOUT: $!";
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