X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=lib%2Fopenssl%2Fcrypto%2Faes%2Fasm%2Faes-armv4.pl;h=16d79aae534ec980b00e6ea9c2efd746ea8c4b68;hb=02ed66432c92de70694700164f986190aad3cbc5;hp=86b86c4a0fbda85e033c2ce06a3ce222aa5f77cf;hpb=89016837dcbf2775cd15dc8cbaba00dc6379f86e;p=cassiopeia.git

diff --git a/lib/openssl/crypto/aes/asm/aes-armv4.pl b/lib/openssl/crypto/aes/asm/aes-armv4.pl
index 86b86c4..16d79aa 100644
--- a/lib/openssl/crypto/aes/asm/aes-armv4.pl
+++ b/lib/openssl/crypto/aes/asm/aes-armv4.pl
@@ -1,7 +1,14 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2016 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
+
 
 # ====================================================================
-# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
 # project. The module is, however, dual licensed under OpenSSL and
 # CRYPTOGAMS licenses depending on where you obtain it. For further
 # details see http://www.openssl.org/~appro/cryptogams/.
@@ -32,8 +39,20 @@
 # Profiler-assisted and platform-specific optimization resulted in 16%
 # improvement on Cortex A8 core and ~21.5 cycles per byte.
 
-while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+$flavour = shift;
+if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
+else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+
+if ($flavour && $flavour ne "void") {
+    $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+    ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
+    ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
+    die "can't locate arm-xlate.pl";
+
+    open STDOUT,"| \"$^X\" $xlate $flavour $output";
+} else {
+    open STDOUT,">$output";
+}
 
 $s0="r0";
 $s1="r1";
@@ -51,9 +70,20 @@ $key="r11";
 $rounds="r12";
 
 $code=<<___;
-#include "arm_arch.h"
+#ifndef __KERNEL__
+# include "arm_arch.h"
+#else
+# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+#endif
+
 .text
+#if defined(__thumb2__) && !defined(__APPLE__)
+.syntax	unified
+.thumb
+#else
 .code	32
+#undef __thumb2__
+#endif
 
 .type	AES_Te,%object
 .align	5
@@ -167,11 +197,19 @@ AES_Te:
 .type   AES_encrypt,%function
 .align	5
 AES_encrypt:
+#ifndef	__thumb2__
 	sub	r3,pc,#8		@ AES_encrypt
+#else
+	adr	r3,AES_encrypt
+#endif
 	stmdb   sp!,{r1,r4-r12,lr}
+#ifdef	__APPLE__
+	adr	$tbl,AES_Te
+#else
+	sub	$tbl,r3,#AES_encrypt-AES_Te	@ Te
+#endif
 	mov	$rounds,r0		@ inp
 	mov	$key,r2
-	sub	$tbl,r3,#AES_encrypt-AES_Te	@ Te
 #if __ARM_ARCH__<7
 	ldrb	$s0,[$rounds,#3]	@ load input data in endian-neutral
 	ldrb	$t1,[$rounds,#2]	@ manner...
@@ -404,16 +442,26 @@ _armv4_AES_encrypt:
 	ldr	pc,[sp],#4		@ pop and return
 .size	_armv4_AES_encrypt,.-_armv4_AES_encrypt
 
-.global private_AES_set_encrypt_key
-.type   private_AES_set_encrypt_key,%function
+.global AES_set_encrypt_key
+.type   AES_set_encrypt_key,%function
 .align	5
-private_AES_set_encrypt_key:
+AES_set_encrypt_key:
 _armv4_AES_set_encrypt_key:
+#ifndef	__thumb2__
 	sub	r3,pc,#8		@ AES_set_encrypt_key
+#else
+	adr	r3,AES_set_encrypt_key
+#endif
 	teq	r0,#0
+#ifdef	__thumb2__
+	itt	eq			@ Thumb2 thing, sanity check in ARM
+#endif
 	moveq	r0,#-1
 	beq	.Labrt
 	teq	r2,#0
+#ifdef	__thumb2__
+	itt	eq			@ Thumb2 thing, sanity check in ARM
+#endif
 	moveq	r0,#-1
 	beq	.Labrt
 
@@ -422,16 +470,23 @@ _armv4_AES_set_encrypt_key:
 	teq	r1,#192
 	beq	.Lok
 	teq	r1,#256
+#ifdef	__thumb2__
+	itt	ne			@ Thumb2 thing, sanity check in ARM
+#endif
 	movne	r0,#-1
 	bne	.Labrt
 
 .Lok:	stmdb   sp!,{r4-r12,lr}
-	sub	$tbl,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024	@ Te4
-
 	mov	$rounds,r0		@ inp
 	mov	lr,r1			@ bits
 	mov	$key,r2			@ key
 
+#ifdef	__APPLE__
+	adr	$tbl,AES_Te+1024				@ Te4
+#else
+	sub	$tbl,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024	@ Te4
+#endif
+
 #if __ARM_ARCH__<7
 	ldrb	$s0,[$rounds,#3]	@ load input data in endian-neutral
 	ldrb	$t1,[$rounds,#2]	@ manner...
@@ -576,6 +631,9 @@ _armv4_AES_set_encrypt_key:
 	str	$s2,[$key,#-16]
 	subs	$rounds,$rounds,#1
 	str	$s3,[$key,#-12]
+#ifdef	__thumb2__
+	itt	eq				@ Thumb2 thing, sanity check in ARM
+#endif
 	subeq	r2,$key,#216
 	beq	.Ldone
 
@@ -645,6 +703,9 @@ _armv4_AES_set_encrypt_key:
 	str	$s2,[$key,#-24]
 	subs	$rounds,$rounds,#1
 	str	$s3,[$key,#-20]
+#ifdef	__thumb2__
+	itt	eq				@ Thumb2 thing, sanity check in ARM
+#endif
 	subeq	r2,$key,#256
 	beq	.Ldone
 
@@ -674,48 +735,77 @@ _armv4_AES_set_encrypt_key:
 	str	$i3,[$key,#-4]
 	b	.L256_loop
 
+.align	2
 .Ldone:	mov	r0,#0
 	ldmia   sp!,{r4-r12,lr}
-.Labrt:	tst	lr,#1
+.Labrt:
+#if __ARM_ARCH__>=5
+	ret				@ bx lr
+#else
+	tst	lr,#1
 	moveq	pc,lr			@ be binary compatible with V4, yet
 	bx	lr			@ interoperable with Thumb ISA:-)
-.size	private_AES_set_encrypt_key,.-private_AES_set_encrypt_key
+#endif
+.size	AES_set_encrypt_key,.-AES_set_encrypt_key
 
-.global private_AES_set_decrypt_key
-.type   private_AES_set_decrypt_key,%function
+.global AES_set_decrypt_key
+.type   AES_set_decrypt_key,%function
 .align	5
-private_AES_set_decrypt_key:
+AES_set_decrypt_key:
 	str	lr,[sp,#-4]!            @ push lr
 	bl	_armv4_AES_set_encrypt_key
 	teq	r0,#0
-	ldrne	lr,[sp],#4              @ pop lr
+	ldr	lr,[sp],#4              @ pop lr
 	bne	.Labrt
 
-	stmdb   sp!,{r4-r12}
+	mov	r0,r2			@ AES_set_encrypt_key preserves r2,
+	mov	r1,r2			@ which is AES_KEY *key
+	b	_armv4_AES_set_enc2dec_key
+.size	AES_set_decrypt_key,.-AES_set_decrypt_key
 
-	ldr	$rounds,[r2,#240]	@ AES_set_encrypt_key preserves r2,
-	mov	$key,r2			@ which is AES_KEY *key
-	mov	$i1,r2
-	add	$i2,r2,$rounds,lsl#4
+@ void AES_set_enc2dec_key(const AES_KEY *inp,AES_KEY *out)
+.global	AES_set_enc2dec_key
+.type	AES_set_enc2dec_key,%function
+.align	5
+AES_set_enc2dec_key:
+_armv4_AES_set_enc2dec_key:
+	stmdb   sp!,{r4-r12,lr}
+
+	ldr	$rounds,[r0,#240]
+	mov	$i1,r0			@ input
+	add	$i2,r0,$rounds,lsl#4
+	mov	$key,r1			@ output
+	add	$tbl,r1,$rounds,lsl#4
+	str	$rounds,[r1,#240]
+
+.Linv:	ldr	$s0,[$i1],#16
+	ldr	$s1,[$i1,#-12]
+	ldr	$s2,[$i1,#-8]
+	ldr	$s3,[$i1,#-4]
+	ldr	$t1,[$i2],#-16
+	ldr	$t2,[$i2,#16+4]
+	ldr	$t3,[$i2,#16+8]
+	ldr	$i3,[$i2,#16+12]
+	str	$s0,[$tbl],#-16
+	str	$s1,[$tbl,#16+4]
+	str	$s2,[$tbl,#16+8]
+	str	$s3,[$tbl,#16+12]
+	str	$t1,[$key],#16
+	str	$t2,[$key,#-12]
+	str	$t3,[$key,#-8]
+	str	$i3,[$key,#-4]
+	teq	$i1,$i2
+	bne	.Linv
 
-.Linv:	ldr	$s0,[$i1]
+	ldr	$s0,[$i1]
 	ldr	$s1,[$i1,#4]
 	ldr	$s2,[$i1,#8]
 	ldr	$s3,[$i1,#12]
-	ldr	$t1,[$i2]
-	ldr	$t2,[$i2,#4]
-	ldr	$t3,[$i2,#8]
-	ldr	$i3,[$i2,#12]
-	str	$s0,[$i2],#-16
-	str	$s1,[$i2,#16+4]
-	str	$s2,[$i2,#16+8]
-	str	$s3,[$i2,#16+12]
-	str	$t1,[$i1],#16
-	str	$t2,[$i1,#-12]
-	str	$t3,[$i1,#-8]
-	str	$i3,[$i1,#-4]
-	teq	$i1,$i2
-	bne	.Linv
+	str	$s0,[$key]
+	str	$s1,[$key,#4]
+	str	$s2,[$key,#8]
+	str	$s3,[$key,#12]
+	sub	$key,$key,$rounds,lsl#3
 ___
 $mask80=$i1;
 $mask1b=$i2;
@@ -773,7 +863,7 @@ $code.=<<___;
 	moveq	pc,lr			@ be binary compatible with V4, yet
 	bx	lr			@ interoperable with Thumb ISA:-)
 #endif
-.size	private_AES_set_decrypt_key,.-private_AES_set_decrypt_key
+.size	AES_set_enc2dec_key,.-AES_set_enc2dec_key
 
 .type	AES_Td,%object
 .align	5
@@ -883,11 +973,19 @@ AES_Td:
 .type   AES_decrypt,%function
 .align	5
 AES_decrypt:
+#ifndef	__thumb2__
 	sub	r3,pc,#8		@ AES_decrypt
+#else
+	adr	r3,AES_decrypt
+#endif
 	stmdb   sp!,{r1,r4-r12,lr}
+#ifdef	__APPLE__
+	adr	$tbl,AES_Td
+#else
+	sub	$tbl,r3,#AES_decrypt-AES_Td	@ Td
+#endif
 	mov	$rounds,r0		@ inp
 	mov	$key,r2
-	sub	$tbl,r3,#AES_decrypt-AES_Td		@ Td
 #if __ARM_ARCH__<7
 	ldrb	$s0,[$rounds,#3]	@ load input data in endian-neutral
 	ldrb	$t1,[$rounds,#2]	@ manner...
@@ -1080,8 +1178,9 @@ _armv4_AES_decrypt:
 	ldrb	$t3,[$tbl,$i3]		@ Td4[s0>>0]
 	and	$i3,lr,$s1,lsr#8
 
+	add	$s1,$tbl,$s1,lsr#24
 	ldrb	$i1,[$tbl,$i1]		@ Td4[s1>>0]
-	ldrb	$s1,[$tbl,$s1,lsr#24]	@ Td4[s1>>24]
+	ldrb	$s1,[$s1]		@ Td4[s1>>24]
 	ldrb	$i2,[$tbl,$i2]		@ Td4[s1>>16]
 	eor	$s0,$i1,$s0,lsl#24
 	ldrb	$i3,[$tbl,$i3]		@ Td4[s1>>8]
@@ -1094,7 +1193,8 @@ _armv4_AES_decrypt:
 	ldrb	$i2,[$tbl,$i2]		@ Td4[s2>>0]
 	and	$i3,lr,$s2,lsr#16
 
-	ldrb	$s2,[$tbl,$s2,lsr#24]	@ Td4[s2>>24]
+	add	$s2,$tbl,$s2,lsr#24
+	ldrb	$s2,[$s2]		@ Td4[s2>>24]
 	eor	$s0,$s0,$i1,lsl#8
 	ldrb	$i3,[$tbl,$i3]		@ Td4[s2>>16]
 	eor	$s1,$i2,$s1,lsl#16
@@ -1106,8 +1206,9 @@ _armv4_AES_decrypt:
 	ldrb	$i2,[$tbl,$i2]		@ Td4[s3>>8]
 	and	$i3,lr,$s3		@ i2
 
+	add	$s3,$tbl,$s3,lsr#24
 	ldrb	$i3,[$tbl,$i3]		@ Td4[s3>>0]
-	ldrb	$s3,[$tbl,$s3,lsr#24]	@ Td4[s3>>24]
+	ldrb	$s3,[$s3]		@ Td4[s3>>24]
 	eor	$s0,$s0,$i1,lsl#16
 	ldr	$i1,[$key,#0]
 	eor	$s1,$s1,$i2,lsl#8
@@ -1130,5 +1231,15 @@ _armv4_AES_decrypt:
 ___
 
 $code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm;	# make it possible to compile with -march=armv4
+$code =~ s/\bret\b/bx\tlr/gm;
+
+open SELF,$0;
+while(<SELF>) {
+	next if (/^#!/);
+	last if (!s/^#/@/ and !/^$/);
+	print;
+}
+close SELF;
+
 print $code;
 close STDOUT;	# enforce flush