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100 lines
1.7 KiB
ArmAsm
100 lines
1.7 KiB
ArmAsm
.text
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.globl OPENSSL_s390x_facilities
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.type OPENSSL_s390x_facilities,@function
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.align 16
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OPENSSL_s390x_facilities:
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lghi %r0,0
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larl %r2,OPENSSL_s390xcap_P
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stg %r0,8(%r2)
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.long 0xb2b02000 # stfle 0(%r2)
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brc 8,.Ldone
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lghi %r0,1
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.long 0xb2b02000 # stfle 0(%r2)
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.Ldone:
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lg %r2,0(%r2)
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br %r14
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.size OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities
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.globl OPENSSL_rdtsc
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.type OPENSSL_rdtsc,@function
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.align 16
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OPENSSL_rdtsc:
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stck 16(%r15)
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lg %r2,16(%r15)
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br %r14
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.size OPENSSL_rdtsc,.-OPENSSL_rdtsc
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.globl OPENSSL_atomic_add
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.type OPENSSL_atomic_add,@function
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.align 16
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OPENSSL_atomic_add:
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l %r1,0(%r2)
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.Lspin: lr %r0,%r1
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ar %r0,%r3
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cs %r1,%r0,0(%r2)
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brc 4,.Lspin
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lgfr %r2,%r0 # OpenSSL expects the new value
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br %r14
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.size OPENSSL_atomic_add,.-OPENSSL_atomic_add
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.globl OPENSSL_wipe_cpu
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.type OPENSSL_wipe_cpu,@function
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.align 16
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OPENSSL_wipe_cpu:
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xgr %r0,%r0
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xgr %r1,%r1
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lgr %r2,%r15
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xgr %r3,%r3
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xgr %r4,%r4
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lzdr %f0
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lzdr %f1
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lzdr %f2
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lzdr %f3
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lzdr %f4
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lzdr %f5
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lzdr %f6
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lzdr %f7
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br %r14
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.size OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
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.globl OPENSSL_cleanse
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.type OPENSSL_cleanse,@function
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.align 16
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OPENSSL_cleanse:
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#if !defined(__s390x__) && !defined(__s390x)
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llgfr %r3,%r3
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#endif
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lghi %r4,15
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lghi %r0,0
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clgr %r3,%r4
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jh .Lot
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clgr %r3,%r0
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bcr 8,%r14
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.Little:
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stc %r0,0(%r2)
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la %r2,1(%r2)
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brctg %r3,.Little
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br %r14
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.align 4
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.Lot: tmll %r2,7
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jz .Laligned
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stc %r0,0(%r2)
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la %r2,1(%r2)
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brctg %r3,.Lot
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.Laligned:
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srlg %r4,%r3,3
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.Loop: stg %r0,0(%r2)
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la %r2,8(%r2)
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brctg %r4,.Loop
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lghi %r4,7
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ngr %r3,%r4
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jnz .Little
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br %r14
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.size OPENSSL_cleanse,.-OPENSSL_cleanse
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.section .init
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brasl %r14,OPENSSL_cpuid_setup
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.comm OPENSSL_s390xcap_P,16,8
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