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author | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
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committer | cvs2svn <admin@example.com> | 2025-04-14 17:32:06 +0000 |
commit | eb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch) | |
tree | edb6da6af7e865d488dc1a29309f1e1ec226e603 /src/lib/libcrypto/arch/arm/armcap.c | |
parent | 247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff) | |
download | openbsd-tb_20250414.tar.gz openbsd-tb_20250414.tar.bz2 openbsd-tb_20250414.zip |
This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/lib/libcrypto/arch/arm/armcap.c')
-rw-r--r-- | src/lib/libcrypto/arch/arm/armcap.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/lib/libcrypto/arch/arm/armcap.c b/src/lib/libcrypto/arch/arm/armcap.c deleted file mode 100644 index 0238195397..0000000000 --- a/src/lib/libcrypto/arch/arm/armcap.c +++ /dev/null | |||
@@ -1,88 +0,0 @@ | |||
1 | /* $OpenBSD: armcap.c,v 1.3 2024/08/29 03:30:05 deraadt Exp $ */ | ||
2 | #include <stdio.h> | ||
3 | #include <stdlib.h> | ||
4 | #include <string.h> | ||
5 | #include <setjmp.h> | ||
6 | #include <signal.h> | ||
7 | #include <openssl/crypto.h> | ||
8 | |||
9 | #include "arm_arch.h" | ||
10 | |||
11 | unsigned int OPENSSL_armcap_P; | ||
12 | |||
13 | #if __ARM_ARCH__ >= 7 | ||
14 | static sigset_t all_masked; | ||
15 | |||
16 | static sigjmp_buf ill_jmp; | ||
17 | |||
18 | static void | ||
19 | ill_handler(int sig) | ||
20 | { | ||
21 | siglongjmp(ill_jmp, sig); | ||
22 | } | ||
23 | |||
24 | /* | ||
25 | * Following subroutines could have been inlined, but it's not all | ||
26 | * ARM compilers support inline assembler... | ||
27 | */ | ||
28 | void _armv7_neon_probe(void); | ||
29 | void _armv8_aes_probe(void); | ||
30 | void _armv8_sha1_probe(void); | ||
31 | void _armv8_sha256_probe(void); | ||
32 | void _armv8_pmull_probe(void); | ||
33 | #endif | ||
34 | |||
35 | void | ||
36 | OPENSSL_cpuid_setup(void) | ||
37 | { | ||
38 | #if __ARM_ARCH__ >= 7 | ||
39 | struct sigaction ill_oact, ill_act; | ||
40 | sigset_t oset; | ||
41 | #endif | ||
42 | static int trigger = 0; | ||
43 | |||
44 | if (trigger) | ||
45 | return; | ||
46 | trigger = 1; | ||
47 | |||
48 | OPENSSL_armcap_P = 0; | ||
49 | |||
50 | #if __ARM_ARCH__ >= 7 | ||
51 | sigfillset(&all_masked); | ||
52 | sigdelset(&all_masked, SIGILL); | ||
53 | sigdelset(&all_masked, SIGTRAP); | ||
54 | sigdelset(&all_masked, SIGFPE); | ||
55 | sigdelset(&all_masked, SIGBUS); | ||
56 | sigdelset(&all_masked, SIGSEGV); | ||
57 | |||
58 | memset(&ill_act, 0, sizeof(ill_act)); | ||
59 | ill_act.sa_handler = ill_handler; | ||
60 | ill_act.sa_mask = all_masked; | ||
61 | |||
62 | sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); | ||
63 | sigaction(SIGILL, &ill_act, &ill_oact); | ||
64 | |||
65 | if (sigsetjmp(ill_jmp, 1) == 0) { | ||
66 | _armv7_neon_probe(); | ||
67 | OPENSSL_armcap_P |= ARMV7_NEON; | ||
68 | if (sigsetjmp(ill_jmp, 1) == 0) { | ||
69 | _armv8_pmull_probe(); | ||
70 | OPENSSL_armcap_P |= ARMV8_PMULL | ARMV8_AES; | ||
71 | } else if (sigsetjmp(ill_jmp, 1) == 0) { | ||
72 | _armv8_aes_probe(); | ||
73 | OPENSSL_armcap_P |= ARMV8_AES; | ||
74 | } | ||
75 | if (sigsetjmp(ill_jmp, 1) == 0) { | ||
76 | _armv8_sha1_probe(); | ||
77 | OPENSSL_armcap_P |= ARMV8_SHA1; | ||
78 | } | ||
79 | if (sigsetjmp(ill_jmp, 1) == 0) { | ||
80 | _armv8_sha256_probe(); | ||
81 | OPENSSL_armcap_P |= ARMV8_SHA256; | ||
82 | } | ||
83 | } | ||
84 | |||
85 | sigaction (SIGILL, &ill_oact, NULL); | ||
86 | sigprocmask(SIG_SETMASK, &oset, NULL); | ||
87 | #endif | ||
88 | } | ||