2 # Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (the "License"). You may not use
5 # this file except in compliance with the License. You can obtain a copy
6 # in the file LICENSE in the source distribution or at
7 # https://www.openssl.org/source/license.html
10 # ====================================================================
11 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
12 # project. The module is, however, dual licensed under OpenSSL and
13 # CRYPTOGAMS licenses depending on where you obtain it. For further
14 # details see http://www.openssl.org/~appro/cryptogams/.
16 # Hardware SPARC T4 support by David S. Miller
17 # ====================================================================
19 # Performance improvement is not really impressive on pre-T1 CPU: +8%
20 # over Sun C and +25% over gcc [3.3]. While on T1, a.k.a. Niagara, it
21 # turned to be 40% faster than 64-bit code generated by Sun C 5.8 and
22 # >2x than 64-bit code generated by gcc 3.4. And there is a gimmick.
23 # X[16] vector is packed to 8 64-bit registers and as result nothing
24 # is spilled on stack. In addition input data is loaded in compact
25 # instruction sequence, thus minimizing the window when the code is
26 # subject to [inter-thread] cache-thrashing hazard. The goal is to
27 # ensure scalability on UltraSPARC T1, or rather to avoid decay when
28 # amount of active threads exceeds the number of physical cores.
30 # SPARC T4 SHA1 hardware achieves 3.72 cycles per byte, which is 3.1x
31 # faster than software. Multi-process benchmark saturates at 11x
32 # single-process result on 8-core processor, or ~9GBps per 2.85GHz
35 $output=pop and open STDOUT,">$output";
37 @X=("%o0","%o1","%o2","%o3","%o4","%o5","%g1","%o7");
51 @K=($K_00_19,$K_20_39,$K_40_59,$K_60_79);
61 my ($i,$a,$b,$c,$d,$e)=@_;
62 my $xi=($i&1)?@X[($i/2)%8]:$Xi;
80 " srlx @X[(($i+1)/2)%8],32,$Xi\n";
88 my ($i,$a,$b,$c,$d,$e)=@_;
99 sllx @X[($j+6)%8],32,$Xi ! Xupdate($i)
100 xor @X[($j+1)%8],@X[$j%8],@X[$j%8]
101 srlx @X[($j+7)%8],32,$tmp1
102 xor @X[($j+4)%8],@X[$j%8],@X[$j%8]
105 add @K[$i/20],$e,$e !!
106 xor $Xi,@X[$j%8],@X[$j%8]
108 add @X[$j%8],@X[$j%8],@X[$j%8]
110 andn @X[$j%8],$rot1m,@X[$j%8]
112 or $Xi,@X[$j%8],@X[$j%8]
118 my ($i,$a,$b,$c,$d,$e)=@_;
125 $code.="\tsrlx @X[($i/2)%8],32,$xi\n";
142 my ($i,$a,$b,$c,$d,$e)=@_;
149 $code.="\tsrlx @X[($i/2)%8],32,$xi\n";
165 my ($i,$a,$b,$c,$d,$e)=@_;
172 $code.="\tsrlx @X[($i/2)%8],32,$xi\n";
190 #include "sparc_arch.h"
193 .register %g2,#scratch
194 .register %g3,#scratch
197 .section ".text",#alloc,#execinstr
204 .globl sha1_block_data_order
205 sha1_block_data_order:
206 SPARC_LOAD_ADDRESS_LEAF(OPENSSL_sparcv9cap_P,%g1,%g5)
207 ld [%g1+4],%g1 ! OPENSSL_sparcv9cap_P[1]
209 andcc %g1, CFR_SHA1, %g0
213 ld [%o0 + 0x00], %f0 ! load context
218 bne,pn %icc, .Lhwunaligned
222 ldd [%o1 + 0x00], %f8
223 ldd [%o1 + 0x08], %f10
224 ldd [%o1 + 0x10], %f12
225 ldd [%o1 + 0x18], %f14
226 ldd [%o1 + 0x20], %f16
227 ldd [%o1 + 0x28], %f18
228 ldd [%o1 + 0x30], %f20
229 subcc %o2, 1, %o2 ! done yet?
230 ldd [%o1 + 0x38], %f22
232 prefetch [%o1 + 63], 20
234 .word 0x81b02820 ! SHA1
236 bne,pt SIZE_T_CC, .Lhw_loop
240 st %f0, [%o0 + 0x00] ! store context
249 alignaddr %o1, %g0, %o1
251 ldd [%o1 + 0x00], %f10
253 ldd [%o1 + 0x08], %f12
254 ldd [%o1 + 0x10], %f14
255 ldd [%o1 + 0x18], %f16
256 ldd [%o1 + 0x20], %f18
257 ldd [%o1 + 0x28], %f20
258 ldd [%o1 + 0x30], %f22
259 ldd [%o1 + 0x38], %f24
260 subcc %o2, 1, %o2 ! done yet?
261 ldd [%o1 + 0x40], %f26
263 prefetch [%o1 + 63], 20
265 faligndata %f10, %f12, %f8
266 faligndata %f12, %f14, %f10
267 faligndata %f14, %f16, %f12
268 faligndata %f16, %f18, %f14
269 faligndata %f18, %f20, %f16
270 faligndata %f20, %f22, %f18
271 faligndata %f22, %f24, %f20
272 faligndata %f24, %f26, %f22
274 .word 0x81b02820 ! SHA1
276 bne,pt SIZE_T_CC, .Lhwunaligned_loop
277 for %f26, %f26, %f10 ! %f10=%f26
284 save %sp,-STACK_FRAME,%sp
289 sllx $rot1m,32,$rot1m
299 sethi %hi(0x5a827999),$K_00_19
300 or $K_00_19,%lo(0x5a827999),$K_00_19
301 sethi %hi(0x6ed9eba1),$K_20_39
302 or $K_20_39,%lo(0x6ed9eba1),$K_20_39
303 sethi %hi(0x8f1bbcdc),$K_40_59
304 or $K_40_59,%lo(0x8f1bbcdc),$K_40_59
305 sethi %hi(0xca62c1d6),$K_60_79
306 or $K_60_79,%lo(0xca62c1d6),$K_60_79
317 subcc %g0,$tmp1,$tmp2 ! should be 64-$tmp1, but -$tmp1 works too
322 sllx @X[0],$tmp1,@X[0]
323 ldx [$tmp0+64],$tmp64
327 srlx @X[$i+1],$tmp2,$Xi
328 sllx @X[$i+1],$tmp1,@X[$i+1]
333 srlx $tmp64,$tmp2,$tmp64
334 or $tmp64,@X[7],@X[7]
338 for ($i=0;$i<16;$i++) { &BODY_00_15($i,@V); unshift(@V,pop(@V)); }
339 for (;$i<20;$i++) { &BODY_16_19($i,@V); unshift(@V,pop(@V)); }
340 for (;$i<40;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
341 for (;$i<60;$i++) { &BODY_40_59($i,@V); unshift(@V,pop(@V)); }
342 for (;$i<80;$i++) { &BODY_20_39($i,@V); unshift(@V,pop(@V)); }
369 .type sha1_block_data_order,#function
370 .size sha1_block_data_order,(.-sha1_block_data_order)
371 .asciz "SHA1 block transform for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
375 # Purpose of these subroutines is to explicitly encode VIS instructions,
376 # so that one can compile the module without having to specify VIS
377 # extensions on compiler command line, e.g. -xarch=v9 vs. -xarch=v9a.
378 # Idea is to reserve for option to produce "universal" binary and let
379 # programmer detect if current CPU is VIS capable at run-time.
381 my ($mnemonic,$rs1,$rs2,$rd)=@_;
383 my %visopf = ( "faligndata" => 0x048,
386 $ref = "$mnemonic\t$rs1,$rs2,$rd";
388 if ($opf=$visopf{$mnemonic}) {
389 foreach ($rs1,$rs2,$rd) {
390 return $ref if (!/%f([0-9]{1,2})/);
393 return $ref if ($1&1);
394 # re-encode for upper double register addressing
399 return sprintf ".word\t0x%08x !%s",
400 0x81b00000|$rd<<25|$rs1<<14|$opf<<5|$rs2,
407 my ($mnemonic,$rs1,$rs2,$rd)=@_;
408 my %bias = ( "g" => 0, "o" => 8, "l" => 16, "i" => 24 );
409 my $ref="$mnemonic\t$rs1,$rs2,$rd";
411 foreach ($rs1,$rs2,$rd) {
412 if (/%([goli])([0-7])/) { $_=$bias{$1}+$2; }
413 else { return $ref; }
415 return sprintf ".word\t0x%08x !%s",
416 0x81b00300|$rd<<25|$rs1<<14|$rs2,
420 foreach (split("\n",$code)) {
421 s/\`([^\`]*)\`/eval $1/ge;
423 s/\b(f[^\s]*)\s+(%f[0-9]{1,2}),\s*(%f[0-9]{1,2}),\s*(%f[0-9]{1,2})/
426 s/\b(alignaddr)\s+(%[goli][0-7]),\s*(%[goli][0-7]),\s*(%[goli][0-7])/
427 &unalignaddr($1,$2,$3,$4)
433 close STDOUT or die "error closing STDOUT: $!";