]> WPIA git - cassiopeia.git/blobdiff - lib/openssl/crypto/arm64cpuid.pl
upd: openssl to 1.1.0
[cassiopeia.git] / lib / openssl / crypto / arm64cpuid.pl
diff --git a/lib/openssl/crypto/arm64cpuid.pl b/lib/openssl/crypto/arm64cpuid.pl
new file mode 100755 (executable)
index 0000000..caa3387
--- /dev/null
@@ -0,0 +1,126 @@
+#! /usr/bin/env perl
+# Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License").  You may not use
+# this file except in compliance with the License.  You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+
+$flavour = shift;
+$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
+
+.globl OPENSSL_cleanse
+.type  OPENSSL_cleanse,%function
+.align 5
+OPENSSL_cleanse:
+       cbz     x1,.Lret        // len==0?
+       cmp     x1,#15
+       b.hi    .Lot            // len>15
+       nop
+.Little:
+       strb    wzr,[x0],#1     // store byte-by-byte
+       subs    x1,x1,#1
+       b.ne    .Little
+.Lret: ret
+
+.align 4
+.Lot:  tst     x0,#7
+       b.eq    .Laligned       // inp is aligned
+       strb    wzr,[x0],#1     // store byte-by-byte
+       sub     x1,x1,#1
+       b       .Lot
+
+.align 4
+.Laligned:
+       str     xzr,[x0],#8     // store word-by-word
+       sub     x1,x1,#8
+       tst     x1,#-8
+       b.ne    .Laligned       // len>=8
+       cbnz    x1,.Little      // len!=0?
+       ret
+.size  OPENSSL_cleanse,.-OPENSSL_cleanse
+
+.globl CRYPTO_memcmp
+.type  CRYPTO_memcmp,%function
+.align 4
+CRYPTO_memcmp:
+       eor     w3,w3,w3
+       cbz     x2,.Lno_data    // len==0?
+.Loop_cmp:
+       ldrb    w4,[x0],#1
+       ldrb    w5,[x1],#1
+       eor     w4,w4,w5
+       orr     w3,w3,w4
+       subs    x2,x2,#1
+       b.ne    .Loop_cmp
+
+.Lno_data:
+       neg     w0,w3
+       lsr     w0,w0,#31
+       ret
+.size  CRYPTO_memcmp,.-CRYPTO_memcmp
+___
+
+print $code;
+close STDOUT;