1 files changed, 68 insertions, 0 deletions
diff --git a/crypto/arm64cpuid.pl b/crypto/arm64cpuid.pl
new file mode 100644
index 0000000000..bfec664198
--- /dev/null
+++ b/crypto/arm64cpuid.pl
@@ -0,0 +1,68 @@
+#!/usr/bin/env perl
+
+$flavour = shift;
+$output  = shift;
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
+( $xlate="${dir}perlasm/arm-xlate.pl" and -f $xlate) or
+die "can't locate arm-xlate.pl";
+
+open OUT,"| \"$^X\" $xlate $flavour $output";
+*STDOUT=*OUT;
+
+$code.=<<___;
+#include "arm_arch.h"
+
+.text
+.arch	armv8-a+crypto
+
+.align	5
+.globl	_armv7_neon_probe
+.type	_armv7_neon_probe,%function
+_armv7_neon_probe:
+	orr	v15.16b, v15.16b, v15.16b
+	ret
+.size	_armv7_neon_probe,.-_armv7_neon_probe
+
+.globl	_armv7_tick
+.type	_armv7_tick,%function
+_armv7_tick:
+#ifdef	__APPLE__
+	mrs	x0, CNTPCT_EL0
+#else
+	mrs	x0, CNTVCT_EL0
+#endif
+	ret
+.size	_armv7_tick,.-_armv7_tick
+
+.globl	_armv8_aes_probe
+.type	_armv8_aes_probe,%function
+_armv8_aes_probe:
+	aese	v0.16b, v0.16b
+	ret
+.size	_armv8_aes_probe,.-_armv8_aes_probe
+
+.globl	_armv8_sha1_probe
+.type	_armv8_sha1_probe,%function
+_armv8_sha1_probe:
+	sha1h	s0, s0
+	ret
+.size	_armv8_sha1_probe,.-_armv8_sha1_probe
+
+.globl	_armv8_sha256_probe
+.type	_armv8_sha256_probe,%function
+_armv8_sha256_probe:
+	sha256su0	v0.4s, v0.4s
+	ret
+.size	_armv8_sha256_probe,.-_armv8_sha256_probe
+.globl	_armv8_pmull_probe
+.type	_armv8_pmull_probe,%function
+_armv8_pmull_probe:
+	pmull	v0.1q, v0.1d, v0.1d
+	ret
+.size	_armv8_pmull_probe,.-_armv8_pmull_probe
+___
+
+print $code;
+close STDOUT;