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
  33 .globl  .OPENSSL_wipe_cpu
  34 .align  4
  35 .OPENSSL_wipe_cpu:
  36         xor     r0,r0,r0
  37         fmr     f0,f31
  38         fmr     f1,f31
  39         fmr     f2,f31
  40         mr      r3,r1
  41         fmr     f3,f31
  42         xor     r4,r4,r4
  43         fmr     f4,f31
  44         xor     r5,r5,r5
  45         fmr     f5,f31
  46         xor     r6,r6,r6
  47         fmr     f6,f31
  48         xor     r7,r7,r7
  49         fmr     f7,f31
  50         xor     r8,r8,r8
  51         fmr     f8,f31
  52         xor     r9,r9,r9
  53         fmr     f9,f31
  54         xor     r10,r10,r10
  55         fmr     f10,f31
  56         xor     r11,r11,r11
  57         fmr     f11,f31
  58         xor     r12,r12,r12
  59         fmr     f12,f31
  60         fmr     f13,f31
  61         blr
  62
  63 .globl  .OPENSSL_atomic_add
  64 .align  4
  65 .OPENSSL_atomic_add:
  66 Loop:   lwarx   r5,0,r3
  67         add     r0,r4,r5
  68         stwcx.  r0,0,r3
  69         bne-    Loop
  70         $SIGNX  r3,r0
  71         blr
  72
  73 .globl  .OPENSSL_rdtsc
  74 .align  4
  75 .OPENSSL_rdtsc:
  76         mftb    r3
  77         mftbu   r4
  78         blr
  79
  80 .globl  .OPENSSL_cleanse
  81 .align  4
  82 .OPENSSL_cleanse:
  83         $CMPLI  r4,7
  84         li      r0,0
  85         bge     Lot
  86 Little: mtctr   r4
  87         stb     r0,0(r3)
  88         addi    r3,r3,1
  89         bdnz-   \$-8
  90         blr
  91 Lot:    andi.   r5,r3,3
  92         beq     Laligned
  93         stb     r0,0(r3)
  94         subi    r4,r4,1
  95         addi    r3,r3,1
  96         b       Lot
  97 Laligned:
  98         $SHRLI  r5,r4,2
  99         mtctr   r5
 100         stw     r0,0(r3)
 101         addi    r3,r3,4
 102         bdnz-   \$-8
 103         andi.   r4,r4,3
 104         bne     Little
 105         blr
 106 ___
 107
 108 $code =~ s/\`([^\`]*)\`/eval $1/gem;
 109 print $code;
 110 close STDOUT;