crypto/ppccpuid.pl

   1 #!/usr/bin/env perl
   2
   3 $flavour = shift;
   4
   5 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
   6 ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
   7 ( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
   8 die "can't locate ppc-xlate.pl";
   9
  10 open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
  11
  12 if ($flavour=~/64/) {
  13     $CMPLI="cmpldi";
  14     $SHRLI="srdi";
  15     $SIGNX="extsw";
  16 } else {
  17     $CMPLI="cmplwi";
  18     $SHRLI="srwi";
  19     $SIGNX="mr";
  20 }
  21
  22 $code=<<___;
  23 .machine        "any"
  24 .text
  25
  26 .globl  .OPENSSL_ppc64_probe
  27 .align  4
  28 .OPENSSL_ppc64_probe:
  29         fcfid   f1,f1
  30         extrdi  r0,r0,32,0
  31         blr
  32         .long   0
  33         .byte   0,12,0x14,0,0,0,0,0
  34 .size   .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
  35
  36 .globl  .OPENSSL_altivec_probe
  37 .align  4
  38 .OPENSSL_altivec_probe:
  39         .long   0x10000484      # vor   v0,v0,v0
  40         blr
  41         .long   0
  42         .byte   0,12,0x14,0,0,0,0,0
  43 .size   .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
  44
  45 .globl  .OPENSSL_crypto207_probe
  46 .align  4
  47 .OPENSSL_crypto207_probe:
  48         lvx_u   v0,0,r1
  49         vcipher v0,v0,v0
  50         blr
  51         .long   0
  52         .byte   0,12,0x14,0,0,0,0,0
  53 .size   .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
  54
  55 .globl  .OPENSSL_wipe_cpu
  56 .align  4
  57 .OPENSSL_wipe_cpu:
  58         xor     r0,r0,r0
  59         fmr     f0,f31
  60         fmr     f1,f31
  61         fmr     f2,f31
  62         mr      r3,r1
  63         fmr     f3,f31
  64         xor     r4,r4,r4
  65         fmr     f4,f31
  66         xor     r5,r5,r5
  67         fmr     f5,f31
  68         xor     r6,r6,r6
  69         fmr     f6,f31
  70         xor     r7,r7,r7
  71         fmr     f7,f31
  72         xor     r8,r8,r8
  73         fmr     f8,f31
  74         xor     r9,r9,r9
  75         fmr     f9,f31
  76         xor     r10,r10,r10
  77         fmr     f10,f31
  78         xor     r11,r11,r11
  79         fmr     f11,f31
  80         xor     r12,r12,r12
  81         fmr     f12,f31
  82         fmr     f13,f31
  83         blr
  84         .long   0
  85         .byte   0,12,0x14,0,0,0,0,0
  86 .size   .OPENSSL_wipe_cpu,.-.OPENSSL_wipe_cpu
  87
  88 .globl  .OPENSSL_atomic_add
  89 .align  4
  90 .OPENSSL_atomic_add:
  91 Ladd:   lwarx   r5,0,r3
  92         add     r0,r4,r5
  93         stwcx.  r0,0,r3
  94         bne-    Ladd
  95         $SIGNX  r3,r0
  96         blr
  97         .long   0
  98         .byte   0,12,0x14,0,0,0,2,0
  99         .long   0
 100 .size   .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
 101
 102 .globl  .OPENSSL_rdtsc
 103 .align  4
 104 .OPENSSL_rdtsc:
 105         mftb    r3
 106         mftbu   r4
 107         blr
 108         .long   0
 109         .byte   0,12,0x14,0,0,0,0,0
 110 .size   .OPENSSL_rdtsc,.-.OPENSSL_rdtsc
 111
 112 .globl  .OPENSSL_cleanse
 113 .align  4
 114 .OPENSSL_cleanse:
 115         $CMPLI  r4,7
 116         li      r0,0
 117         bge     Lot
 118         $CMPLI  r4,0
 119         beqlr-
 120 Little: mtctr   r4
 121         stb     r0,0(r3)
 122         addi    r3,r3,1
 123         bdnz    \$-8
 124         blr
 125 Lot:    andi.   r5,r3,3
 126         beq     Laligned
 127         stb     r0,0(r3)
 128         subi    r4,r4,1
 129         addi    r3,r3,1
 130         b       Lot
 131 Laligned:
 132         $SHRLI  r5,r4,2
 133         mtctr   r5
 134         stw     r0,0(r3)
 135         addi    r3,r3,4
 136         bdnz    \$-8
 137         andi.   r4,r4,3
 138         bne     Little
 139         blr
 140         .long   0
 141         .byte   0,12,0x14,0,0,0,2,0
 142         .long   0
 143 .size   .OPENSSL_cleanse,.-.OPENSSL_cleanse
 144 ___
 145
 146 $code =~ s/\`([^\`]*)\`/eval $1/gem;
 147 print $code;
 148 close STDOUT;