crypto/alphacpuid.pl

   1 #! /usr/bin/env perl
   2 # Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
   3 #
   4 # Licensed under the Apache License 2.0 (the "License").  You may not use
   5 # this file except in compliance with the License.  You can obtain a copy
   6 # in the file LICENSE in the source distribution or at
   7 # https://www.openssl.org/source/license.html
   8
   9
  10 $output = pop;
  11 open STDOUT,">$output";
  12
  13 print <<'___';
  14 .text
  15
  16 .set    noat
  17
  18 .globl  OPENSSL_cpuid_setup
  19 .ent    OPENSSL_cpuid_setup
  20 OPENSSL_cpuid_setup:
  21         .frame  $30,0,$26
  22         .prologue 0
  23         ret     ($26)
  24 .end    OPENSSL_cpuid_setup
  25
  26 .globl  OPENSSL_wipe_cpu
  27 .ent    OPENSSL_wipe_cpu
  28 OPENSSL_wipe_cpu:
  29         .frame  $30,0,$26
  30         .prologue 0
  31         clr     $1
  32         clr     $2
  33         clr     $3
  34         clr     $4
  35         clr     $5
  36         clr     $6
  37         clr     $7
  38         clr     $8
  39         clr     $16
  40         clr     $17
  41         clr     $18
  42         clr     $19
  43         clr     $20
  44         clr     $21
  45         clr     $22
  46         clr     $23
  47         clr     $24
  48         clr     $25
  49         clr     $27
  50         clr     $at
  51         clr     $29
  52         fclr    $f0
  53         fclr    $f1
  54         fclr    $f10
  55         fclr    $f11
  56         fclr    $f12
  57         fclr    $f13
  58         fclr    $f14
  59         fclr    $f15
  60         fclr    $f16
  61         fclr    $f17
  62         fclr    $f18
  63         fclr    $f19
  64         fclr    $f20
  65         fclr    $f21
  66         fclr    $f22
  67         fclr    $f23
  68         fclr    $f24
  69         fclr    $f25
  70         fclr    $f26
  71         fclr    $f27
  72         fclr    $f28
  73         fclr    $f29
  74         fclr    $f30
  75         mov     $sp,$0
  76         ret     ($26)
  77 .end    OPENSSL_wipe_cpu
  78
  79 .globl  OPENSSL_atomic_add
  80 .ent    OPENSSL_atomic_add
  81 OPENSSL_atomic_add:
  82         .frame  $30,0,$26
  83         .prologue 0
  84 1:      ldl_l   $0,0($16)
  85         addl    $0,$17,$1
  86         stl_c   $1,0($16)
  87         beq     $1,1b
  88         addl    $0,$17,$0
  89         ret     ($26)
  90 .end    OPENSSL_atomic_add
  91
  92 .globl  OPENSSL_rdtsc
  93 .ent    OPENSSL_rdtsc
  94 OPENSSL_rdtsc:
  95         .frame  $30,0,$26
  96         .prologue 0
  97         rpcc    $0
  98         ret     ($26)
  99 .end    OPENSSL_rdtsc
 100
 101 .globl  OPENSSL_cleanse
 102 .ent    OPENSSL_cleanse
 103 OPENSSL_cleanse:
 104         .frame  $30,0,$26
 105         .prologue 0
 106         beq     $17,.Ldone
 107         and     $16,7,$0
 108         bic     $17,7,$at
 109         beq     $at,.Little
 110         beq     $0,.Laligned
 111
 112 .Little:
 113         subq    $0,8,$0
 114         ldq_u   $1,0($16)
 115         mov     $16,$2
 116 .Lalign:
 117         mskbl   $1,$16,$1
 118         lda     $16,1($16)
 119         subq    $17,1,$17
 120         addq    $0,1,$0
 121         beq     $17,.Lout
 122         bne     $0,.Lalign
 123 .Lout:  stq_u   $1,0($2)
 124         beq     $17,.Ldone
 125         bic     $17,7,$at
 126         beq     $at,.Little
 127
 128 .Laligned:
 129         stq     $31,0($16)
 130         subq    $17,8,$17
 131         lda     $16,8($16)
 132         bic     $17,7,$at
 133         bne     $at,.Laligned
 134         bne     $17,.Little
 135 .Ldone: ret     ($26)
 136 .end    OPENSSL_cleanse
 137
 138 .globl  CRYPTO_memcmp
 139 .ent    CRYPTO_memcmp
 140 CRYPTO_memcmp:
 141         .frame  $30,0,$26
 142         .prologue 0
 143         xor     $0,$0,$0
 144         beq     $18,.Lno_data
 145
 146         xor     $1,$1,$1
 147         nop
 148 .Loop_cmp:
 149         ldq_u   $2,0($16)
 150         subq    $18,1,$18
 151         ldq_u   $3,0($17)
 152         extbl   $2,$16,$2
 153         lda     $16,1($16)
 154         extbl   $3,$17,$3
 155         lda     $17,1($17)
 156         xor     $3,$2,$2
 157         or      $2,$0,$0
 158         bne     $18,.Loop_cmp
 159
 160         subq    $31,$0,$0
 161         srl     $0,63,$0
 162 .Lno_data:
 163         ret     ($26)
 164 .end    CRYPTO_memcmp
 165 ___
 166 {
 167 my ($out,$cnt,$max)=("\$16","\$17","\$18");
 168 my ($tick,$lasttick)=("\$19","\$20");
 169 my ($diff,$lastdiff)=("\$21","\$22");
 170 my ($v0,$ra,$sp,$zero)=("\$0","\$26","\$30","\$31");
 171
 172 print <<___;
 173 .globl  OPENSSL_instrument_bus
 174 .ent    OPENSSL_instrument_bus
 175 OPENSSL_instrument_bus:
 176         .frame  $sp,0,$ra
 177         .prologue 0
 178         mov     $cnt,$v0
 179
 180         rpcc    $lasttick
 181         mov     0,$diff
 182
 183         ecb     ($out)
 184         ldl_l   $tick,0($out)
 185         addl    $diff,$tick,$tick
 186         mov     $tick,$diff
 187         stl_c   $tick,0($out)
 188         stl     $diff,0($out)
 189
 190 .Loop:  rpcc    $tick
 191         subq    $tick,$lasttick,$diff
 192         mov     $tick,$lasttick
 193
 194         ecb     ($out)
 195         ldl_l   $tick,0($out)
 196         addl    $diff,$tick,$tick
 197         mov     $tick,$diff
 198         stl_c   $tick,0($out)
 199         stl     $diff,0($out)
 200
 201         subl    $cnt,1,$cnt
 202         lda     $out,4($out)
 203         bne     $cnt,.Loop
 204
 205         ret     ($ra)
 206 .end    OPENSSL_instrument_bus
 207
 208 .globl  OPENSSL_instrument_bus2
 209 .ent    OPENSSL_instrument_bus2
 210 OPENSSL_instrument_bus2:
 211         .frame  $sp,0,$ra
 212         .prologue 0
 213         mov     $cnt,$v0
 214
 215         rpcc    $lasttick
 216         mov     0,$diff
 217
 218         ecb     ($out)
 219         ldl_l   $tick,0($out)
 220         addl    $diff,$tick,$tick
 221         mov     $tick,$diff
 222         stl_c   $tick,0($out)
 223         stl     $diff,0($out)
 224
 225         rpcc    $tick
 226         subq    $tick,$lasttick,$diff
 227         mov     $tick,$lasttick
 228         mov     $diff,$lastdiff
 229 .Loop2:
 230         ecb     ($out)
 231         ldl_l   $tick,0($out)
 232         addl    $diff,$tick,$tick
 233         mov     $tick,$diff
 234         stl_c   $tick,0($out)
 235         stl     $diff,0($out)
 236
 237         subl    $max,1,$max
 238         beq     $max,.Ldone2
 239
 240         rpcc    $tick
 241         subq    $tick,$lasttick,$diff
 242         mov     $tick,$lasttick
 243         subq    $lastdiff,$diff,$tick
 244         mov     $diff,$lastdiff
 245         cmovne  $tick,1,$tick
 246         subl    $cnt,$tick,$cnt
 247         s4addq  $tick,$out,$out
 248         bne     $cnt,.Loop2
 249
 250 .Ldone2:
 251         subl    $v0,$cnt,$v0
 252         ret     ($ra)
 253 .end    OPENSSL_instrument_bus2
 254 ___
 255 }
 256
 257 close STDOUT;