crypto/s390xcpuid.S

   1 .text
   2
   3 .globl  OPENSSL_s390x_facilities
   4 .type   OPENSSL_s390x_facilities,@function
   5 .align  16
   6 OPENSSL_s390x_facilities:
   7         lghi    %r0,0
   8         larl    %r2,OPENSSL_s390xcap_P
   9         stg     %r0,8(%r2)
  10         .long   0xb2b02000      # stfle 0(%r2)
  11         brc     8,.Ldone
  12         lghi    %r0,1
  13         .long   0xb2b02000      # stfle 0(%r2)
  14 .Ldone:
  15         lg      %r2,0(%r2)
  16         br      %r14
  17 .size   OPENSSL_s390x_facilities,.-OPENSSL_s390x_facilities
  18
  19 .globl  OPENSSL_rdtsc
  20 .type   OPENSSL_rdtsc,@function
  21 .align  16
  22 OPENSSL_rdtsc:
  23         stck    16(%r15)
  24         lg      %r2,16(%r15)
  25         br      %r14
  26 .size   OPENSSL_rdtsc,.-OPENSSL_rdtsc
  27
  28 .globl  OPENSSL_atomic_add
  29 .type   OPENSSL_atomic_add,@function
  30 .align  16
  31 OPENSSL_atomic_add:
  32         l       %r1,0(%r2)
  33 .Lspin: lr      %r0,%r1
  34         ar      %r0,%r3
  35         cs      %r1,%r0,0(%r2)
  36         brc     4,.Lspin
  37         lgfr    %r2,%r0         # OpenSSL expects the new value
  38         br      %r14
  39 .size   OPENSSL_atomic_add,.-OPENSSL_atomic_add
  40
  41 .globl  OPENSSL_wipe_cpu
  42 .type   OPENSSL_wipe_cpu,@function
  43 .align  16
  44 OPENSSL_wipe_cpu:
  45         xgr     %r0,%r0
  46         xgr     %r1,%r1
  47         lgr     %r2,%r15
  48         xgr     %r3,%r3
  49         xgr     %r4,%r4
  50         lzdr    %f0
  51         lzdr    %f1
  52         lzdr    %f2
  53         lzdr    %f3
  54         lzdr    %f4
  55         lzdr    %f5
  56         lzdr    %f6
  57         lzdr    %f7
  58         br      %r14
  59 .size   OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
  60
  61 .globl  OPENSSL_cleanse
  62 .type   OPENSSL_cleanse,@function
  63 .align  16
  64 OPENSSL_cleanse:
  65 #if !defined(__s390x__) && !defined(__s390x)
  66         llgfr   %r3,%r3
  67 #endif
  68         lghi    %r4,15
  69         lghi    %r0,0
  70         clgr    %r3,%r4
  71         jh      .Lot
  72         clgr    %r3,%r0
  73         bcr     8,%r14
  74 .Little:
  75         stc     %r0,0(%r2)
  76         la      %r2,1(%r2)
  77         brctg   %r3,.Little
  78         br      %r14
  79 .align  4
  80 .Lot:   tmll    %r2,7
  81         jz      .Laligned
  82         stc     %r0,0(%r2)
  83         la      %r2,1(%r2)
  84         brctg   %r3,.Lot
  85 .Laligned:
  86         srlg    %r4,%r3,3
  87 .Loop:  stg     %r0,0(%r2)
  88         la      %r2,8(%r2)
  89         brctg   %r4,.Loop
  90         lghi    %r4,7
  91         ngr     %r3,%r4
  92         jnz     .Little
  93         br      %r14
  94 .size   OPENSSL_cleanse,.-OPENSSL_cleanse
  95
  96 .globl  OPENSSL_instrument_bus
  97 .type   OPENSSL_instrument_bus,@function
  98 .align  16
  99 OPENSSL_instrument_bus:
 100         lghi    %r2,0
 101         br      %r14
 102 .size   OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
 103
 104 .globl  OPENSSL_instrument_bus2
 105 .type   OPENSSL_instrument_bus2,@function
 106 .align  16
 107 OPENSSL_instrument_bus2:
 108         lghi    %r2,0
 109         br      %r14
 110 .size   OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
 111
 112 .section        .init
 113         brasl   %r14,OPENSSL_cpuid_setup
 114
 115 .comm   OPENSSL_s390xcap_P,16,8