-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy paths390xcpuid.S
178 lines (160 loc) · 3.34 KB
/
s390xcpuid.S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
.text
// Copyright 2009-2016 The OpenSSL Project Authors. All Rights Reserved.
//
// Licensed under the OpenSSL license (the "License"). You may not use
// this file except in compliance with the License. You can obtain a copy
// in the file LICENSE in the source distribution or at
// https://www.openssl.org/source/license.html
.globl OPENSSL_s390x_facilities
.type OPENSSL_s390x_facilities,@function
.align 16
OPENSSL_s390x_facilities:
lghi %r0,0
larl %r4,OPENSSL_s390xcap_P
stg %r0,8(%r4) # wipe capability vectors
stg %r0,16(%r4)
stg %r0,24(%r4)
stg %r0,32(%r4)
stg %r0,40(%r4)
stg %r0,48(%r4)
stg %r0,56(%r4)
stg %r0,64(%r4)
stg %r0,72(%r4)
.long 0xb2b04000 # stfle 0(%r4)
brc 8,.Ldone
lghi %r0,1
.long 0xb2b04000 # stfle 0(%r4)
.Ldone:
lmg %r2,%r3,0(%r4)
tmhl %r2,0x4000 # check for message-security-assist
jz .Lret
lghi %r0,0 # query kimd capabilities
la %r1,16(%r4)
.long 0xb93e0002 # kimd %r0,%r2
lghi %r0,0 # query km capability vector
la %r1,32(%r4)
.long 0xb92e0042 # km %r4,%r2
lghi %r0,0 # query kmc capability vector
la %r1,48(%r4)
.long 0xb92f0042 # kmc %r4,%r2
tmhh %r3,0x0004 # check for message-security-assist-4
jz .Lret
lghi %r0,0 # query kmctr capability vector
la %r1,64(%r4)
.long 0xb92d2042 # kmctr %r4,%r2,%r2
.Lret:
br %r14
.size OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities
.globl OPENSSL_rdtsc
.type OPENSSL_rdtsc,@function
.align 16
OPENSSL_rdtsc:
stck 16(%r15)
lg %r2,16(%r15)
br %r14
.size OPENSSL_rdtsc,.-OPENSSL_rdtsc
.globl OPENSSL_atomic_add
.type OPENSSL_atomic_add,@function
.align 16
OPENSSL_atomic_add:
l %r1,0(%r2)
.Lspin: lr %r0,%r1
ar %r0,%r3
cs %r1,%r0,0(%r2)
brc 4,.Lspin
lgfr %r2,%r0 # OpenSSL expects the new value
br %r14
.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
.globl OPENSSL_wipe_cpu
.type OPENSSL_wipe_cpu,@function
.align 16
OPENSSL_wipe_cpu:
xgr %r0,%r0
xgr %r1,%r1
lgr %r2,%r15
xgr %r3,%r3
xgr %r4,%r4
lzdr %f0
lzdr %f1
lzdr %f2
lzdr %f3
lzdr %f4
lzdr %f5
lzdr %f6
lzdr %f7
br %r14
.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
.globl OPENSSL_cleanse
.type OPENSSL_cleanse,@function
.align 16
OPENSSL_cleanse:
#if !defined(__s390x__) && !defined(__s390x)
llgfr %r3,%r3
#endif
lghi %r4,15
lghi %r0,0
clgr %r3,%r4
jh .Lot
clgr %r3,%r0
bcr 8,%r14
.Little:
stc %r0,0(%r2)
la %r2,1(%r2)
brctg %r3,.Little
br %r14
.align 4
.Lot: tmll %r2,7
jz .Laligned
stc %r0,0(%r2)
la %r2,1(%r2)
brctg %r3,.Lot
.Laligned:
srlg %r4,%r3,3
.Loop: stg %r0,0(%r2)
la %r2,8(%r2)
brctg %r4,.Loop
lghi %r4,7
ngr %r3,%r4
jnz .Little
br %r14
.size OPENSSL_cleanse,.-OPENSSL_cleanse
.globl CRYPTO_memcmp
.type CRYPTO_memcmp,@function
.align 16
CRYPTO_memcmp:
#if !defined(__s390x__) && !defined(__s390x)
llgfr %r4,%r4
#endif
lghi %r5,0
clgr %r4,%r5
je .Lno_data
.Loop_cmp:
llgc %r0,0(%r2)
la %r2,1(%r2)
llgc %r1,0(%r3)
la %r3,1(%r3)
xr %r1,%r0
or %r5,%r1
brctg %r4,.Loop_cmp
lnr %r5,%r5
srl %r5,31
.Lno_data:
lgr %r2,%r5
br %r14
.size CRYPTO_memcmp,.-CRYPTO_memcmp
.globl OPENSSL_instrument_bus
.type OPENSSL_instrument_bus,@function
.align 16
OPENSSL_instrument_bus:
lghi %r2,0
br %r14
.size OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
.globl OPENSSL_instrument_bus2
.type OPENSSL_instrument_bus2,@function
.align 16
OPENSSL_instrument_bus2:
lghi %r2,0
br %r14
.size OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
.section .init
brasl %r14,OPENSSL_cpuid_setup