crypto/arm64cpuid.pl

   1 #!/usr/bin/env perl
   2
   3 $flavour = shift;
   4 $output  = shift;
   5
   6 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
   7 ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
   8 ( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or
   9 die "can't locate arm-xlate.pl";
  10
  11 open OUT,"| \"$^X\" $xlate $flavour $output";
  12 *STDOUT=*OUT;
  13
  14 $code.=<<___;
  15 #include "arm_arch.h"
  16
  17 .text
  18 .arch   armv8-a+crypto
  19
  20 .align  5
  21 .globl  _armv7_neon_probe
  22 .type   _armv7_neon_probe,%function
  23 _armv7_neon_probe:
  24         orr     v15.16b, v15.16b, v15.16b
  25         ret
  26 .size   _armv7_neon_probe,.-_armv7_neon_probe
  27
  28 .globl  _armv7_tick
  29 .type   _armv7_tick,%function
  30 _armv7_tick:
  31 #ifdef  __APPLE__
  32         mrs     x0, CNTPCT_EL0
  33 #else
  34         mrs     x0, CNTVCT_EL0
  35 #endif
  36         ret
  37 .size   _armv7_tick,.-_armv7_tick
  38
  39 .globl  _armv8_aes_probe
  40 .type   _armv8_aes_probe,%function
  41 _armv8_aes_probe:
  42         aese    v0.16b, v0.16b
  43         ret
  44 .size   _armv8_aes_probe,.-_armv8_aes_probe
  45
  46 .globl  _armv8_sha1_probe
  47 .type   _armv8_sha1_probe,%function
  48 _armv8_sha1_probe:
  49         sha1h   s0, s0
  50         ret
  51 .size   _armv8_sha1_probe,.-_armv8_sha1_probe
  52
  53 .globl  _armv8_sha256_probe
  54 .type   _armv8_sha256_probe,%function
  55 _armv8_sha256_probe:
  56         sha256su0       v0.4s, v0.4s
  57         ret
  58 .size   _armv8_sha256_probe,.-_armv8_sha256_probe
  59 .globl  _armv8_pmull_probe
  60 .type   _armv8_pmull_probe,%function
  61 _armv8_pmull_probe:
  62         pmull   v0.1q, v0.1d, v0.1d
  63         ret
  64 .size   _armv8_pmull_probe,.-_armv8_pmull_probe
  65 ___
  66
  67 print $code;
  68 close STDOUT;