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OpenBoard/thirdparty/openssl/openssl-1.0.0d/crypto/s390xcpuid.S

92 lines
1.5 KiB

.text
.globl OPENSSL_s390x_facilities
.type OPENSSL_s390x_facilities,@function
.align 16
OPENSSL_s390x_facilities:
lghi %r0,0
.long 0xb2b0f010 # stfle 16(%r15)
lg %r2,16(%r15)
larl %r1,OPENSSL_s390xcap_P
stg %r2,0(%r1)
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:
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
.section .init
brasl %r14,OPENSSL_cpuid_setup
.comm OPENSSL_s390xcap_P,8,8