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Diffstat (limited to 'src/lib/libcrypto/sparcv9cap.c')
-rw-r--r--src/lib/libcrypto/sparcv9cap.c154
1 files changed, 0 insertions, 154 deletions
diff --git a/src/lib/libcrypto/sparcv9cap.c b/src/lib/libcrypto/sparcv9cap.c
deleted file mode 100644
index 5f31d20bd0..0000000000
--- a/src/lib/libcrypto/sparcv9cap.c
+++ /dev/null
@@ -1,154 +0,0 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <sys/time.h>
5#include <openssl/bn.h>
6
7#define SPARCV9_TICK_PRIVILEGED (1<<0)
8#define SPARCV9_PREFER_FPU (1<<1)
9#define SPARCV9_VIS1 (1<<2)
10#define SPARCV9_VIS2 (1<<3) /* reserved */
11#define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
12static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
13
14int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num)
15 {
16 int bn_mul_mont_fpu(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num);
17 int bn_mul_mont_int(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num);
18
19 if ((OPENSSL_sparcv9cap_P&(SPARCV9_PREFER_FPU|SPARCV9_VIS1)) ==
20 (SPARCV9_PREFER_FPU|SPARCV9_VIS1))
21 return bn_mul_mont_fpu(rp,ap,bp,np,n0,num);
22 else
23 return bn_mul_mont_int(rp,ap,bp,np,n0,num);
24 }
25
26unsigned long OPENSSL_rdtsc(void)
27 {
28 unsigned long _sparcv9_rdtick(void);
29
30 if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
31#if defined(__sun) && defined(__SVR4)
32 return gethrtime();
33#else
34 return 0;
35#endif
36 else
37 return _sparcv9_rdtick();
38 }
39
40#if defined(__sun) && defined(__SVR4)
41
42#include <dlfcn.h>
43#include <libdevinfo.h>
44#include <sys/systeminfo.h>
45
46typedef di_node_t (*di_init_t)(const char *,uint_t);
47typedef void (*di_fini_t)(di_node_t);
48typedef char * (*di_node_name_t)(di_node_t);
49typedef int (*di_walk_node_t)(di_node_t,uint_t,di_node_name_t,int (*)(di_node_t,di_node_name_t));
50
51#define DLLINK(h,name) (name=(name##_t)dlsym((h),#name))
52
53static int walk_nodename(di_node_t node, di_node_name_t di_node_name)
54 {
55 char *name = (*di_node_name)(node);
56
57 /* This is expected to catch all UltraSPARC flavors prior T1 */
58 if (!strcmp (name,"SUNW,UltraSPARC") ||
59 !strncmp(name,"SUNW,UltraSPARC-I",17)) /* covers II,III,IV */
60 {
61 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
62
63 /* %tick is privileged only on UltraSPARC-I/II, but not IIe */
64 if (name[14]!='\0' && name[17]!='\0' && name[18]!='\0')
65 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
66
67 return DI_WALK_TERMINATE;
68 }
69 /* This is expected to catch remaining UltraSPARCs, such as T1 */
70 else if (!strncmp(name,"SUNW,UltraSPARC",15))
71 {
72 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
73
74 return DI_WALK_TERMINATE;
75 }
76
77 return DI_WALK_CONTINUE;
78 }
79
80void OPENSSL_cpuid_setup(void)
81 {
82 void *h;
83 char *e,si[256];
84 static int trigger=0;
85
86 if (trigger) return;
87 trigger=1;
88
89 if ((e=getenv("OPENSSL_sparcv9cap")))
90 {
91 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
92 return;
93 }
94
95 if (sysinfo(SI_MACHINE,si,sizeof(si))>0)
96 {
97 if (strcmp(si,"sun4v"))
98 /* FPU is preferred for all CPUs, but US-T1/2 */
99 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU;
100 }
101
102 if (sysinfo(SI_ISALIST,si,sizeof(si))>0)
103 {
104 if (strstr(si,"+vis"))
105 OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
106 if (strstr(si,"+vis2"))
107 {
108 OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
109 OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
110 return;
111 }
112 }
113
114 if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
115 {
116 di_init_t di_init;
117 di_fini_t di_fini;
118 di_walk_node_t di_walk_node;
119 di_node_name_t di_node_name;
120 di_node_t root_node;
121
122 if (!DLLINK(h,di_init)) break;
123 if (!DLLINK(h,di_fini)) break;
124 if (!DLLINK(h,di_walk_node)) break;
125 if (!DLLINK(h,di_node_name)) break;
126
127 if ((root_node = (*di_init)("/",DINFOSUBTREE))!=DI_NODE_NIL)
128 {
129 (*di_walk_node)(root_node,DI_WALK_SIBFIRST,
130 di_node_name,walk_nodename);
131 (*di_fini)(root_node);
132 }
133 } while(0);
134
135 if (h) dlclose(h);
136 }
137
138#else
139
140void OPENSSL_cpuid_setup(void)
141 {
142 char *e;
143
144 if ((e=getenv("OPENSSL_sparcv9cap")))
145 {
146 OPENSSL_sparcv9cap_P=strtoul(e,NULL,0);
147 return;
148 }
149
150 /* For now we assume that the rest supports UltraSPARC-I* only */
151 OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
152 }
153
154#endif
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