Merged origin/release (checked in because wanted to merge new stuff)

1 files changed, 334 insertions, 0 deletions

diff --git a/openssl/crypto/sha/asm/sha1-armv8.pl b/openssl/crypto/sha/asm/sha1-armv8.pl
new file mode 100755
index 000000000..deb1238d3
--- /dev/null
+++ b/openssl/crypto/sha/asm/sha1-armv8.pl
@@ -0,0 +1,334 @@
+#!/usr/bin/env perl
+#
+# ====================================================================
+# 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/.
+# ====================================================================
+#
+# SHA1 for ARMv8.
+#
+# Performance in cycles per processed byte and improvement coefficient
+# over code generated with "default" compiler:
+#
+#		hardware-assisted	software(*)
+# Apple A7	2.31			4.13 (+14%)
+# Cortex-A53	2.19			8.73 (+108%)
+# Cortex-A57	2.35			7.88 (+74%)
+#
+# (*)	Software results are presented mostly for reference purposes.
+
+$flavour = shift;
+open STDOUT,">".shift;
+
+($ctx,$inp,$num)=("x0","x1","x2");
+@Xw=map("w$_",(3..17,19));
+@Xx=map("x$_",(3..17,19));
+@V=($A,$B,$C,$D,$E)=map("w$_",(20..24));
+($t0,$t1,$t2,$K)=map("w$_",(25..28));
+
+
+sub BODY_00_19 {
+my ($i,$a,$b,$c,$d,$e)=@_;
+my $j=($i+2)&15;
+
+$code.=<<___ if ($i<15 && !($i&1));
+	lsr	@Xx[$i+1],@Xx[$i],#32
+___
+$code.=<<___ if ($i<14 && !($i&1));
+	ldr	@Xx[$i+2],[$inp,#`($i+2)*4-64`]
+___
+$code.=<<___ if ($i<14 && ($i&1));
+#ifdef	__ARMEB__
+	ror	@Xx[$i+1],@Xx[$i+1],#32
+#else
+	rev32	@Xx[$i+1],@Xx[$i+1]
+#endif
+___
+$code.=<<___ if ($i<14);
+	bic	$t0,$d,$b
+	and	$t1,$c,$b
+	ror	$t2,$a,#27
+	add	$d,$d,$K		// future e+=K
+	orr	$t0,$t0,$t1
+	add	$e,$e,$t2		// e+=rot(a,5)
+	ror	$b,$b,#2
+	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+___
+$code.=<<___ if ($i==19);
+	movz	$K,#0xeba1
+	movk	$K,#0x6ed9,lsl#16
+___
+$code.=<<___ if ($i>=14);
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]
+	bic	$t0,$d,$b
+	and	$t1,$c,$b
+	ror	$t2,$a,#27
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]
+	add	$d,$d,$K		// future e+=K
+	orr	$t0,$t0,$t1
+	add	$e,$e,$t2		// e+=rot(a,5)
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]
+	ror	$b,$b,#2
+	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+	 ror	@Xw[$j],@Xw[$j],#31
+___
+}
+
+sub BODY_40_59 {
+my ($i,$a,$b,$c,$d,$e)=@_;
+my $j=($i+2)&15;
+
+$code.=<<___ if ($i==59);
+	movz	$K,#0xc1d6
+	movk	$K,#0xca62,lsl#16
+___
+$code.=<<___;
+	orr	$t0,$b,$c
+	and	$t1,$b,$c
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]
+	ror	$t2,$a,#27
+	and	$t0,$t0,$d
+	add	$d,$d,$K		// future e+=K
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]
+	add	$e,$e,$t2		// e+=rot(a,5)
+	orr	$t0,$t0,$t1
+	ror	$b,$b,#2
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]
+	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+	 ror	@Xw[$j],@Xw[$j],#31
+___
+}
+
+sub BODY_20_39 {
+my ($i,$a,$b,$c,$d,$e)=@_;
+my $j=($i+2)&15;
+
+$code.=<<___ if ($i==39);
+	movz	$K,#0xbcdc
+	movk	$K,#0x8f1b,lsl#16
+___
+$code.=<<___ if ($i<78);
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+2)&15]
+	eor	$t0,$d,$b
+	ror	$t2,$a,#27
+	add	$d,$d,$K		// future e+=K
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+8)&15]
+	eor	$t0,$t0,$c
+	add	$e,$e,$t2		// e+=rot(a,5)
+	ror	$b,$b,#2
+	 eor	@Xw[$j],@Xw[$j],@Xw[($j+13)&15]
+	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+	 ror	@Xw[$j],@Xw[$j],#31
+___
+$code.=<<___ if ($i==78);
+	ldp	@Xw[1],@Xw[2],[$ctx]
+	eor	$t0,$d,$b
+	ror	$t2,$a,#27
+	add	$d,$d,$K		// future e+=K
+	eor	$t0,$t0,$c
+	add	$e,$e,$t2		// e+=rot(a,5)
+	ror	$b,$b,#2
+	add	$d,$d,@Xw[($i+1)&15]	// future e+=X[i]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+___
+$code.=<<___ if ($i==79);
+	ldp	@Xw[3],@Xw[4],[$ctx,#8]
+	eor	$t0,$d,$b
+	ror	$t2,$a,#27
+	eor	$t0,$t0,$c
+	add	$e,$e,$t2		// e+=rot(a,5)
+	ror	$b,$b,#2
+	ldr	@Xw[5],[$ctx,#16]
+	add	$e,$e,$t0		// e+=F(b,c,d)
+___
+}
+
+$code.=<<___;
+#include "arm_arch.h"
+
+.text
+
+.globl	sha1_block_data_order
+.type	sha1_block_data_order,%function
+.align	6
+sha1_block_data_order:
+	ldr	x16,.LOPENSSL_armcap_P
+	adr	x17,.LOPENSSL_armcap_P
+	add	x16,x16,x17
+	ldr	w16,[x16]
+	tst	w16,#ARMV8_SHA1
+	b.ne	.Lv8_entry
+
+	stp	x29,x30,[sp,#-96]!
+	add	x29,sp,#0
+	stp	x19,x20,[sp,#16]
+	stp	x21,x22,[sp,#32]
+	stp	x23,x24,[sp,#48]
+	stp	x25,x26,[sp,#64]
+	stp	x27,x28,[sp,#80]
+
+	ldp	$A,$B,[$ctx]
+	ldp	$C,$D,[$ctx,#8]
+	ldr	$E,[$ctx,#16]
+
+.Loop:
+	ldr	@Xx[0],[$inp],#64
+	movz	$K,#0x7999
+	sub	$num,$num,#1
+	movk	$K,#0x5a82,lsl#16
+#ifdef	__ARMEB__
+	ror	$Xx[0],@Xx[0],#32
+#else
+	rev32	@Xx[0],@Xx[0]
+#endif
+	add	$E,$E,$K		// warm it up
+	add	$E,$E,@Xw[0]
+___
+for($i=0;$i<20;$i++)	{ &BODY_00_19($i,@V); unshift(@V,pop(@V)); }
+for(;$i<40;$i++)	{ &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
+for(;$i<60;$i++)	{ &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
+for(;$i<80;$i++)	{ &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
+$code.=<<___;
+	add	$B,$B,@Xw[2]
+	add	$C,$C,@Xw[3]
+	add	$A,$A,@Xw[1]
+	add	$D,$D,@Xw[4]
+	add	$E,$E,@Xw[5]
+	stp	$A,$B,[$ctx]
+	stp	$C,$D,[$ctx,#8]
+	str	$E,[$ctx,#16]
+	cbnz	$num,.Loop
+
+	ldp	x19,x20,[sp,#16]
+	ldp	x21,x22,[sp,#32]
+	ldp	x23,x24,[sp,#48]
+	ldp	x25,x26,[sp,#64]
+	ldp	x27,x28,[sp,#80]
+	ldr	x29,[sp],#96
+	ret
+.size	sha1_block_data_order,.-sha1_block_data_order
+___
+{{{
+my ($ABCD,$E,$E0,$E1)=map("v$_.16b",(0..3));
+my @MSG=map("v$_.16b",(4..7));
+my @Kxx=map("v$_.4s",(16..19));
+my ($W0,$W1)=("v20.4s","v21.4s");
+my $ABCD_SAVE="v22.16b";
+
+$code.=<<___;
+.type	sha1_block_armv8,%function
+.align	6
+sha1_block_armv8:
+.Lv8_entry:
+	stp	x29,x30,[sp,#-16]!
+	add	x29,sp,#0
+
+	adr	x4,.Lconst
+	eor	$E,$E,$E
+	ld1.32	{$ABCD},[$ctx],#16
+	ld1.32	{$E}[0],[$ctx]
+	sub	$ctx,$ctx,#16
+	ld1.32	{@Kxx[0]-@Kxx[3]},[x4]
+
+.Loop_hw:
+	ld1	{@MSG[0]-@MSG[3]},[$inp],#64
+	sub	$num,$num,#1
+	rev32	@MSG[0],@MSG[0]
+	rev32	@MSG[1],@MSG[1]
+
+	add.i32	$W0,@Kxx[0],@MSG[0]
+	rev32	@MSG[2],@MSG[2]
+	orr	$ABCD_SAVE,$ABCD,$ABCD	// offload
+
+	add.i32	$W1,@Kxx[0],@MSG[1]
+	rev32	@MSG[3],@MSG[3]
+	sha1h	$E1,$ABCD
+	sha1c	$ABCD,$E,$W0		// 0
+	add.i32	$W0,@Kxx[$j],@MSG[2]
+	sha1su0	@MSG[0],@MSG[1],@MSG[2]
+___
+for ($j=0,$i=1;$i<20-3;$i++) {
+my $f=("c","p","m","p")[$i/5];
+$code.=<<___;
+	sha1h	$E0,$ABCD		// $i
+	sha1$f	$ABCD,$E1,$W1
+	add.i32	$W1,@Kxx[$j],@MSG[3]
+	sha1su1	@MSG[0],@MSG[3]
+___
+$code.=<<___ if ($i<20-4);
+	sha1su0	@MSG[1],@MSG[2],@MSG[3]
+___
+	($E0,$E1)=($E1,$E0);		($W0,$W1)=($W1,$W0);
+	push(@MSG,shift(@MSG));		$j++ if ((($i+3)%5)==0);
+}
+$code.=<<___;
+	sha1h	$E0,$ABCD		// $i
+	sha1p	$ABCD,$E1,$W1
+	add.i32	$W1,@Kxx[$j],@MSG[3]
+
+	sha1h	$E1,$ABCD		// 18
+	sha1p	$ABCD,$E0,$W0
+
+	sha1h	$E0,$ABCD		// 19
+	sha1p	$ABCD,$E1,$W1
+
+	add.i32	$E,$E,$E0
+	add.i32	$ABCD,$ABCD,$ABCD_SAVE
+
+	cbnz	$num,.Loop_hw
+
+	st1.32	{$ABCD},[$ctx],#16
+	st1.32	{$E}[0],[$ctx]
+
+	ldr	x29,[sp],#16
+	ret
+.size	sha1_block_armv8,.-sha1_block_armv8
+.align	6
+.Lconst:
+.long	0x5a827999,0x5a827999,0x5a827999,0x5a827999	//K_00_19
+.long	0x6ed9eba1,0x6ed9eba1,0x6ed9eba1,0x6ed9eba1	//K_20_39
+.long	0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc,0x8f1bbcdc	//K_40_59
+.long	0xca62c1d6,0xca62c1d6,0xca62c1d6,0xca62c1d6	//K_60_79
+.LOPENSSL_armcap_P:
+.quad	OPENSSL_armcap_P-.
+.asciz	"SHA1 block transform for ARMv8, CRYPTOGAMS by <appro\@openssl.org>"
+.align	2
+.comm	OPENSSL_armcap_P,4,4
+___
+}}}
+
+{   my	%opcode = (
+	"sha1c"		=> 0x5e000000,	"sha1p"		=> 0x5e001000,
+	"sha1m"		=> 0x5e002000,	"sha1su0"	=> 0x5e003000,
+	"sha1h"		=> 0x5e280800,	"sha1su1"	=> 0x5e281800	);
+
+    sub unsha1 {
+	my ($mnemonic,$arg)=@_;
+
+	$arg =~ m/[qv]([0-9]+)[^,]*,\s*[qv]([0-9]+)[^,]*(?:,\s*[qv]([0-9]+))?/o
+	&&
+	sprintf ".inst\t0x%08x\t//%s %s",
+			$opcode{$mnemonic}|$1|($2<<5)|($3<<16),
+			$mnemonic,$arg;
+    }
+}
+
+foreach(split("\n",$code)) {
+
+	s/\`([^\`]*)\`/eval($1)/geo;
+
+	s/\b(sha1\w+)\s+([qv].*)/unsha1($1,$2)/geo;
+
+	s/\.\w?32\b//o		and s/\.16b/\.4s/go;
+	m/(ld|st)1[^\[]+\[0\]/o	and s/\.4s/\.s/go;
+
+	print $_,"\n";
+}
+
+close STDOUT;