From d4665887886274483a64f3ac167c81b0d7ef88af Mon Sep 17 00:00:00 2001 From: Andy Polyakov Date: Sat, 2 Oct 2010 11:47:17 +0000 Subject: [PATCH] MIPS assembler pack: enable it in Configure, add SHA2 module, fix make rules, update commentary... --- Configure | 15 +- TABLE | 36 +-- crypto/bn/Makefile | 5 + crypto/bn/asm/mips-mont.pl | 25 +- crypto/bn/asm/mips.pl | 2 + crypto/sha/Makefile | 4 + crypto/sha/asm/sha512-mips.pl | 424 ++++++++++++++++++++++++++++++++++ 7 files changed, 477 insertions(+), 34 deletions(-) create mode 100644 crypto/sha/asm/sha512-mips.pl diff --git a/Configure b/Configure index 03ddc6ad81..57a7b1c241 100755 --- a/Configure +++ b/Configure @@ -132,7 +132,8 @@ my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o::aes_core.o aes_cbc.o aes-ia64.o my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o:::sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o:::::::ghash-sparcv9.o:void"; my $sparcv8_asm=":sparcv8.o:des_enc-sparc.o fcrypt_b.o::::::::::::void"; my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o:::::sha1-alpha.o:::::::ghash-alpha.o:void"; -my $mips3_asm=":bn-mips3.o:::::::::::::void"; +my $mips32_asm=":bn-mips.o:::::sha1-mips.o sha256-mips.o:::::::"; +my $mips64_asm=":bn-mips.o mips-mont.o:::::sha1-mips.o sha256-mips.o sha512-mips.o:::::::"; my $s390x_asm="s390xcap.o s390xcpuid.o:bn-s390x.o s390x-mont.o::aes_ctr.o aes-s390x.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o::rc4-s390x.o:::::ghash-s390x.o:void"; my $armv4_asm=":bn_asm.o armv4-mont.o::aes_cbc.o aes-armv4.o:::sha1-armv4-large.o sha256-armv4.o sha512-armv4.o:::::::ghash-armv4.o:void"; my $parisc11_asm="pariscid.o:bn_asm.o parisc-mont.o::aes_core.o aes_cbc.o aes-parisc.o:::sha1-parisc.o sha256-parisc.o sha512-parisc.o::rc4-parisc.o:::::ghash-parisc.o:32"; @@ -250,16 +251,16 @@ my %table=( #### IRIX 5.x configs # -mips2 flag is added by ./config when appropriate. -"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown):::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR:${no_asm}:dlfcn:irix-shared:::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", -"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown):::BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR:${no_asm}:dlfcn:irix-shared:::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", +"irix-gcc","gcc:-O3 -DTERMIOS -DB_ENDIAN::(unknown):::BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR:${mips32_asm}:o32:dlfcn:irix-shared:::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", +"irix-cc", "cc:-O2 -use_readonly_const -DTERMIOS -DB_ENDIAN::(unknown):::BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR:${mips32_asm}:o32:dlfcn:irix-shared:::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)", #### IRIX 6.x configs # Only N32 and N64 ABIs are supported. If you need O32 ABI build, invoke # './Configure irix-cc -o32' manually. -"irix-mips3-gcc","gcc:-mabi=n32 -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:${mips3_asm}:dlfcn:irix-shared::-mabi=n32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::32", -"irix-mips3-cc", "cc:-n32 -mips3 -O2 -use_readonly_const -G0 -rdata_shared -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:${mips3_asm}:dlfcn:irix-shared::-n32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::32", +"irix-mips3-gcc","gcc:-mabi=n32 -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT:${mips64_asm}:n32:dlfcn:irix-shared::-mabi=n32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::32", +"irix-mips3-cc", "cc:-n32 -mips3 -O2 -use_readonly_const -G0 -rdata_shared -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT:${mips64_asm}:n32:dlfcn:irix-shared::-n32:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::32", # N64 ABI builds. -"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:${mips3_asm}:dlfcn:irix-shared::-mabi=64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64", -"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -G0 -rdata_shared -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:${mips3_asm}:dlfcn:irix-shared::-64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64", +"irix64-mips4-gcc","gcc:-mabi=64 -mips4 -O3 -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:${mips64_asm}:64:dlfcn:irix-shared::-mabi=64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64", +"irix64-mips4-cc", "cc:-64 -mips4 -O2 -use_readonly_const -G0 -rdata_shared -DTERMIOS -DB_ENDIAN -DBN_DIV3W::-D_SGI_MP_SOURCE:::RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG:${mips64_asm}:64:dlfcn:irix-shared::-64:.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR):::64", #### Unified HP-UX ANSI C configs. # Special notes: diff --git a/TABLE b/TABLE index 57d67f0821..753011ecda 100644 --- a/TABLE +++ b/TABLE @@ -3209,12 +3209,12 @@ $sys_id = $lflags = $bn_ops = BN_LLONG RC4_CHAR RC4_CHUNK DES_PTR DES_RISC2 DES_UNROLL BF_PTR $cpuid_obj = -$bn_obj = +$bn_obj = bn-mips.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3222,7 +3222,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = o32 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = @@ -3241,12 +3241,12 @@ $sys_id = $lflags = $bn_ops = BN_LLONG MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK DES_UNROLL DES_RISC2 DES_PTR BF_PTR $cpuid_obj = -$bn_obj = +$bn_obj = bn-mips.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3254,7 +3254,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = o32 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = @@ -3273,12 +3273,12 @@ $sys_id = $lflags = $bn_ops = DES_PTR RC4_CHAR RC4_CHUNK_LL DES_RISC2 DES_UNROLL BF_PTR SIXTY_FOUR_BIT $cpuid_obj = -$bn_obj = bn-mips3.o +$bn_obj = bn-mips.o mips-mont.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o sha512-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3286,7 +3286,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = n32 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = @@ -3305,12 +3305,12 @@ $sys_id = $lflags = $bn_ops = MD2_CHAR RC4_INDEX RC4_CHAR RC4_CHUNK_LL DES_UNROLL DES_RISC2 DES_PTR BF_PTR SIXTY_FOUR_BIT $cpuid_obj = -$bn_obj = bn-mips3.o +$bn_obj = bn-mips.o mips-mont.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o sha512-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3318,7 +3318,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = n32 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = @@ -3337,12 +3337,12 @@ $sys_id = $lflags = $bn_ops = RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG $cpuid_obj = -$bn_obj = bn-mips3.o +$bn_obj = bn-mips.o mips-mont.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o sha512-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3350,7 +3350,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = 64 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = @@ -3369,12 +3369,12 @@ $sys_id = $lflags = $bn_ops = RC4_CHAR RC4_CHUNK DES_RISC2 DES_UNROLL SIXTY_FOUR_BIT_LONG $cpuid_obj = -$bn_obj = bn-mips3.o +$bn_obj = bn-mips.o mips-mont.o $des_obj = $aes_obj = $bf_obj = $md5_obj = -$sha1_obj = +$sha1_obj = sha1-mips.o sha256-mips.o sha512-mips.o $cast_obj = $rc4_obj = $rmd160_obj = @@ -3382,7 +3382,7 @@ $rc5_obj = $wp_obj = $cmll_obj = $modes_obj = -$perlasm_scheme = void +$perlasm_scheme = 64 $dso_scheme = dlfcn $shared_target= irix-shared $shared_cflag = diff --git a/crypto/bn/Makefile b/crypto/bn/Makefile index 272dd48765..baed3d512c 100644 --- a/crypto/bn/Makefile +++ b/crypto/bn/Makefile @@ -82,6 +82,11 @@ bn-mips3.o: asm/mips3.s as -$$ABI -O -o $@ asm/mips3.s; \ else $(CC) -c $(CFLAGS) -o $@ asm/mips3.s; fi +bn-mips.s: asm/mips.pl + $(PERL) asm/mips.pl $(PERLASM_SCHEME) $@ +mips-mont.s: asm/mips-mont.pl + $(PERL) asm/mips-mont.pl $(PERLASM_SCHEME) $@ + bn-s390x.o: asm/s390x.S $(CC) $(CFLAGS) -c -o $@ asm/s390x.S diff --git a/crypto/bn/asm/mips-mont.pl b/crypto/bn/asm/mips-mont.pl index e2395f4b5d..b944a12b8e 100644 --- a/crypto/bn/asm/mips-mont.pl +++ b/crypto/bn/asm/mips-mont.pl @@ -1,19 +1,23 @@ #!/usr/bin/env perl # # ==================================================================== -# Written by Andy Polyakov for the OpenSSL +# Written by Andy Polyakov 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/. # ==================================================================== # This module doesn't present direct interest for OpenSSL, because it -# doesn't provide better performance for longer keys. While 512-bit -# RSA private key operations are 40% faster, 1024-bit ones are hardly -# faster at all, while longer key operations are slower by up to 20%. -# It might be of interest to embedded system developers though, as -# it's smaller than 1KB, yet offers ~3x improvement over compiler -# generated code. +# doesn't provide better performance for longer keys, at least not on +# in-order-execution cores. While 512-bit RSA sign operations can be +# 65% faster in 64-bit mode, 1024-bit ones are only 15% faster, and +# 4096-bit ones are up to 15% slower. In 32-bit mode it varies from +# 16% improvement for 512-bit RSA sign to -33% for 4096-bit RSA +# verify:-( All comparisons are against bn_mul_mont-free assembler. +# The module might be of interest to embedded system developers, as +# the code is smaller than 1KB, yet offers >3x improvement on MIPS64 +# and 75-30% [less for longer keys] on MIPS32 over compiler-generated +# code. ###################################################################### # There is a number of MIPS ABI in use, O32 and N32/64 are most @@ -126,9 +130,12 @@ $code.=<<___ if ($flavour =~ /o32/i); ___ $code.=<<___; slt $at,$num,4 - beqzl $at,bn_mul_mont_internal + bnez $at,1f li $t0,0 - jr $ra + slt $at,$num,17 # on in-order CPU + bnezl $at,bn_mul_mont_internal + nop +1: jr $ra li $a0,0 .end bn_mul_mont diff --git a/crypto/bn/asm/mips.pl b/crypto/bn/asm/mips.pl index eb3ece5698..acfd35968e 100644 --- a/crypto/bn/asm/mips.pl +++ b/crypto/bn/asm/mips.pl @@ -49,6 +49,8 @@ # key length, more for longer keys. $flavour = shift; +while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {} +open STDOUT,">$output"; if ($flavour =~ /64|n32/i) { $LD="ld"; diff --git a/crypto/sha/Makefile b/crypto/sha/Makefile index 75a1d460de..64aefda84b 100644 --- a/crypto/sha/Makefile +++ b/crypto/sha/Makefile @@ -78,6 +78,10 @@ sha1-parisc.s: asm/sha1-parisc.pl; $(PERL) asm/sha1-parisc.pl $(PERLASM_SCHEME) sha256-parisc.s:asm/sha512-parisc.pl; $(PERL) asm/sha512-parisc.pl $(PERLASM_SCHEME) $@ sha512-parisc.s:asm/sha512-parisc.pl; $(PERL) asm/sha512-parisc.pl $(PERLASM_SCHEME) $@ +sha1-mips.s: asm/sha1-mips.pl; $(PERL) asm/sha1-mips.pl $(PERLASM_SCHEME) $@ +sha256-mips.s: asm/sha512-mips.pl; $(PERL) asm/sha512-mips.pl $(PERLASM_SCHEME) $@ +sha512-mips.s: asm/sha512-mips.pl; $(PERL) asm/sha512-mips.pl $(PERLASM_SCHEME) $@ + # GNU make "catch all" sha1-%.s: asm/sha1-%.pl; $(PERL) $< $(PERLASM_SCHEME) $@ sha256-%.s: asm/sha512-%.pl; $(PERL) $< $(PERLASM_SCHEME) $@ diff --git a/crypto/sha/asm/sha512-mips.pl b/crypto/sha/asm/sha512-mips.pl new file mode 100644 index 0000000000..41f4e7fbfb --- /dev/null +++ b/crypto/sha/asm/sha512-mips.pl @@ -0,0 +1,424 @@ +#!/usr/bin/env perl + +# ==================================================================== +# Written by Andy Polyakov for the OpenSSL +# project. The module is, however, dual licensed under OpenSSL and +# CRYPTOGAMS licenses depending on where you obtain it. For further +# details see http://www.openssl.org/~appro/cryptogams/. +# ==================================================================== + +# SHA2 block procedures for MIPS. + +# October 2010. +# +# SHA256 performance improvement on MIPS R5000 CPU is ~27% over gcc- +# generated code in o32 build and ~55% in n32/64 build. SHA512 [which +# for now can only be compiled for MIPS64 ISA] improvement is modest +# ~17%, but it comes for free, because it's same instruction sequence. +# Improvement coefficients are for aligned input. + +###################################################################### +# There is a number of MIPS ABI in use, O32 and N32/64 are most +# widely used. Then there is a new contender: NUBI. It appears that if +# one picks the latter, it's possible to arrange code in ABI neutral +# manner. Therefore let's stick to NUBI register layout: +# +($zero,$at,$t0,$t1,$t2)=map("\$$_",(0..2,24,25)); +($a0,$a1,$a2,$a3,$a4,$a5,$a6,$a7)=map("\$$_",(4..11)); +($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7,$s8,$s9,$s10,$s11)=map("\$$_",(12..23)); +($gp,$tp,$sp,$fp,$ra)=map("\$$_",(3,28..31)); +# +# The return value is placed in $a0. Following coding rules facilitate +# interoperability: +# +# - never ever touch $tp, "thread pointer", former $gp; +# - copy return value to $t0, former $v0 [or to $a0 if you're adapting +# old code]; +# - on O32 populate $a4-$a7 with 'lw $aN,4*N($sp)' if necessary; +# +# For reference here is register layout for N32/64 MIPS ABIs: +# +# ($zero,$at,$v0,$v1)=map("\$$_",(0..3)); +# ($a0,$a1,$a2,$a3,$a4,$a5,$a6,$a7)=map("\$$_",(4..11)); +# ($t0,$t1,$t2,$t3,$t8,$t9)=map("\$$_",(12..15,24,25)); +# ($s0,$s1,$s2,$s3,$s4,$s5,$s6,$s7)=map("\$$_",(16..23)); +# ($gp,$sp,$fp,$ra)=map("\$$_",(28..31)); +# +$flavour = shift; # supported flavours are o32,n32,64,nubi32,nubi64 + +if ($flavour =~ /64|n32/i) { + $PTR_ADD="dadd"; # incidentally works even on n32 + $PTR_SUB="dsub"; # incidentally works even on n32 + $REG_S="sd"; + $REG_L="ld"; + $PTR_SLL="dsll"; # incidentally works even on n32 + $SZREG=8; +} else { + $PTR_ADD="add"; + $PTR_SUB="sub"; + $REG_S="sw"; + $REG_L="lw"; + $PTR_SLL="sll"; + $SZREG=4; +} +# +# +# +###################################################################### + +$output=shift; +open STDOUT,">$output"; + +if ($output =~ /512/) { + $label="512"; + $SZ=8; + $LD="ld"; # load from memory + $ST="sd"; # store to memory + $SLL="dsll"; # shift left logical + $SRL="dsrl"; # shift right logical + $ADDU="daddu"; + @Sigma0=(28,34,39); + @Sigma1=(14,18,41); + @sigma0=( 7, 1, 8); # right shift first + @sigma1=( 6,19,61); # right shift first + $lastK=0x817; + $rounds=80; +} else { + $label="256"; + $SZ=4; + $LD="lw"; # load from memory + $ST="sw"; # store to memory + $SLL="sll"; # shift left logical + $SRL="srl"; # shift right logical + $ADDU="addu"; + @Sigma0=( 2,13,22); + @Sigma1=( 6,11,25); + @sigma0=( 3, 7,18); # right shift first + @sigma1=(10,17,19); # right shift first + $lastK=0x8f2; + $rounds=64; +} + +@V=($A,$B,$C,$D,$E,$F,$G,$H)=map("\$$_",(1,2,3,7,24,25,30,31)); +@X=map("\$$_",(8..23)); + +$ctx=$a0; +$inp=$a1; +$len=$a2; $Ktbl=$len; + +sub BODY_00_15 { +my ($i,$a,$b,$c,$d,$e,$f,$g,$h)=@_; +my ($T1,$tmp0,$tmp1,$tmp2)=(@X[4],@X[5],@X[6],@X[7]); + +$code.=<<___ if ($i<15); + ${LD}l @X[1],`($i+1)*$SZ+$MSB`($inp) + ${LD}r @X[1],`($i+1)*$SZ+$LSB`($inp) +___ +$code.=<<___ if ($little_endian && $i<16); # XXX no 64-bit byte swap yet + srl $tmp0,@X[0],24 # byte swap($i) + srl $tmp1,@X[0],8 + andi $tmp2,@X[0],0xFF00 + sll @X[0],@X[0],24 + andi $tmp1,0xFF00 + sll $tmp2,$tmp2,8 + or @X[0],$tmp0 + or $tmp1,$t2 + or @X[0],$tmp1 +___ +$code.=<<___; + $ADDU $T1,$X[0],$h # $i + $SRL $h,$e,@Sigma1[0] + xor $tmp2,$f,$g + $SLL $tmp1,$e,`$SZ*8-@Sigma1[2]` + and $tmp2,$e + $SRL $tmp0,$e,@Sigma1[1] + xor $h,$tmp1 + $SLL $tmp1,$e,`$SZ*8-@Sigma1[1]` + xor $h,$tmp0 + $SRL $tmp0,$e,@Sigma1[2] + xor $h,$tmp1 + $SLL $tmp1,$e,`$SZ*8-@Sigma1[0]` + xor $h,$tmp0 + xor $tmp2,$g # Ch(e,f,g) + xor $tmp0,$tmp1,$h # Sigma1(e) + + $SRL $h,$a,@Sigma0[0] + $ADDU $T1,$tmp2 + $LD $tmp2,`$i*$SZ`($Ktbl) # K[$i] + $SLL $tmp1,$a,`$SZ*8-@Sigma0[2]` + $ADDU $T1,$tmp0 + $SRL $tmp0,$a,@Sigma0[1] + xor $h,$tmp1 + $SLL $tmp1,$a,`$SZ*8-@Sigma0[1]` + xor $h,$tmp0 + $SRL $tmp0,$a,@Sigma0[2] + xor $h,$tmp1 + $SLL $tmp1,$a,`$SZ*8-@Sigma0[0]` + xor $h,$tmp0 + $ST @X[0],`($i%16)*$SZ`($sp) + xor $h,$tmp1 # Sigma0(a) + + or $tmp0,$a,$b + and $tmp1,$a,$b + and $tmp0,$c + or $tmp1,$tmp0 # Maj(a,b,c) + $ADDU $T1,$tmp2 # +=K[$i] + $ADDU $h,$tmp1 + + $ADDU $d,$T1 + $ADDU $h,$T1 +___ +$code.=<<___ if ($i>=13); + $LD @X[3],`(($i+3)%16)*$SZ`($sp) # prefetch +___ +} + +sub BODY_16_XX { +my $i=@_[0]; +my ($tmp0,$tmp1,$tmp2,$tmp3)=(@X[4],@X[5],@X[6],@X[7]); + +$code.=<<___; + $SRL $tmp2,@X[1],@sigma0[0] # Xupdate($i) + $ADDU @X[0],@X[9] # +=X[i+9] + $SLL $tmp1,@X[1],`$SZ*8-@sigma0[2]` + $SRL $tmp0,@X[1],@sigma0[1] + xor $tmp2,$tmp1 + $SLL $tmp1,`@sigma0[2]-@sigma0[1]` + xor $tmp2,$tmp0 + $SRL $tmp0,@X[1],@sigma0[2] + xor $tmp2,$tmp1 + + $SRL $tmp3,@X[14],@sigma1[0] + xor $tmp2,$tmp0 # sigma0(X[i+1]) + $SLL $tmp1,@X[14],`$SZ*8-@sigma1[2]` + $ADDU @X[0],$tmp2 + $SRL $tmp0,@X[14],@sigma1[1] + xor $tmp3,$tmp1 + $SLL $tmp1,`@sigma1[2]-@sigma1[1]` + xor $tmp3,$tmp0 + $SRL $tmp0,@X[14],@sigma1[2] + xor $tmp3,$tmp1 + + xor $tmp3,$tmp0 # sigma1(X[i+14]) + $ADDU @X[0],$tmp3 + +___ + &BODY_00_15(@_); +} + +$FRAMESIZE=16*$SZ+16*$SZREG; +$SAVED_REGS_MASK = ($flavour =~ /nubi/i) ? 0xc0fff008 : 0xc0ff0000; +$pf = ($flavour =~ /nubi/i) ? $t0 : $t2; +$MSB = 0; +$LSB = ($SZ-1)&~$MSB; + +$code.=<<___; +.text +.set noat +.option pic2 + +.align 5 +.globl sha${label}_block_data_order +.ent sha${label}_block_data_order +sha${label}_block_data_order: + .frame $sp,$FRAMESIZE,$ra + .mask $SAVED_REGS_MASK,-$SZREG + .set noreorder +___ +$code.=<<___ if ($flavour =~ /o32/i); # o32 PIC-ification + .cpload $pf +___ +$code.=<<___; + $PTR_SUB $sp,$FRAMESIZE + $REG_S $ra,$FRAMESIZE-1*$SZREG($sp) + $REG_S $fp,$FRAMESIZE-2*$SZREG($sp) + $REG_S $s11,$FRAMESIZE-3*$SZREG($sp) + $REG_S $s10,$FRAMESIZE-4*$SZREG($sp) + $REG_S $s9,$FRAMESIZE-5*$SZREG($sp) + $REG_S $s8,$FRAMESIZE-6*$SZREG($sp) + $REG_S $s7,$FRAMESIZE-7*$SZREG($sp) + $REG_S $s6,$FRAMESIZE-8*$SZREG($sp) + $REG_S $s5,$FRAMESIZE-9*$SZREG($sp) + $REG_S $s4,$FRAMESIZE-10*$SZREG($sp) +___ +$code.=<<___ if ($flavour =~ /nubi/i); # optimize non-nubi prologue + $REG_S $s3,$FRAMESIZE-11*$SZREG($sp) + $REG_S $s2,$FRAMESIZE-12*$SZREG($sp) + $REG_S $s1,$FRAMESIZE-13*$SZREG($sp) + $REG_S $s0,$FRAMESIZE-14*$SZREG($sp) + $REG_S $gp,$FRAMESIZE-15*$SZREG($sp) +___ +$code.=<<___; + $PTR_SLL @X[15],$len,`log(16*$SZ)/log(2)` +___ +$code.=<<___ if ($flavour !~ /o32/i); # non-o32 PIC-ification + .cplocal $Ktbl + .cpsetup $pf,$zero,sha${label}_block_data_order +___ +$code.=<<___; + .set reorder + la $Ktbl,K${label} # PIC-ified 'load address' + + $LD $A,0*$SZ($ctx) # load context + $LD $B,1*$SZ($ctx) + $LD $C,2*$SZ($ctx) + $LD $D,3*$SZ($ctx) + $LD $E,4*$SZ($ctx) + $LD $F,5*$SZ($ctx) + $LD $G,6*$SZ($ctx) + $LD $H,7*$SZ($ctx) + + $PTR_ADD @X[15],$inp # pointer to the end of input + $REG_S @X[15],16*$SZ($sp) + b .Loop + +.align 5 +.Loop: + ${LD}l @X[0],$MSB($inp) + ${LD}r @X[0],$LSB($inp) +___ +for ($i=0;$i<16;$i++) +{ &BODY_00_15($i,@V); unshift(@V,pop(@V)); push(@X,shift(@X)); } +$code.=<<___; + b .L16_xx +.align 4 +.L16_xx: +___ +for (;$i<32;$i++) +{ &BODY_16_XX($i,@V); unshift(@V,pop(@V)); push(@X,shift(@X)); } +$code.=<<___; + and @X[6],0xfff + li @X[7],$lastK + $PTR_ADD $Ktbl,16*$SZ # Ktbl+=16 + bne @X[6],@X[7],.L16_xx + + $LD @X[0],0*$SZ($ctx) + $LD @X[1],1*$SZ($ctx) + $LD @X[2],2*$SZ($ctx) + $LD @X[3],3*$SZ($ctx) + $ADDU $A,@X[0] + $LD @X[4],4*$SZ($ctx) + $ADDU $B,@X[1] + $LD @X[5],5*$SZ($ctx) + $ADDU $C,@X[2] + $LD @X[6],6*$SZ($ctx) + $ADDU $D,@X[3] + $LD @X[7],7*$SZ($ctx) + $ADDU $E,@X[4] + $ST $A,0*$SZ($ctx) + $ADDU $F,@X[5] + $ST $B,1*$SZ($ctx) + $ADDU $G,@X[6] + $ST $C,2*$SZ($ctx) + $ADDU $H,@X[7] + $ST $D,3*$SZ($ctx) + $PTR_ADD $inp,16*$SZ + $ST $E,4*$SZ($ctx) + $REG_L @X[15],16*$SZ($sp) # restore pointer to the end of input + $ST $F,5*$SZ($ctx) + $ST $G,6*$SZ($ctx) + $ST $H,7*$SZ($ctx) + + $PTR_SUB $Ktbl,`($rounds-16)*$SZ` # rewind $Ktbl + bne $inp,@X[15],.Loop + + .set noreorder + $REG_L $ra,$FRAMESIZE-1*$SZREG($sp) + $REG_L $fp,$FRAMESIZE-2*$SZREG($sp) + $REG_L $s11,$FRAMESIZE-3*$SZREG($sp) + $REG_L $s10,$FRAMESIZE-4*$SZREG($sp) + $REG_L $s9,$FRAMESIZE-5*$SZREG($sp) + $REG_L $s8,$FRAMESIZE-6*$SZREG($sp) + $REG_L $s7,$FRAMESIZE-7*$SZREG($sp) + $REG_L $s6,$FRAMESIZE-8*$SZREG($sp) + $REG_L $s5,$FRAMESIZE-9*$SZREG($sp) + $REG_L $s4,$FRAMESIZE-10*$SZREG($sp) +___ +$code.=<<___ if ($flavour =~ /nubi/i); + $REG_L $s3,$FRAMESIZE-11*$SZREG($sp) + $REG_L $s2,$FRAMESIZE-12*$SZREG($sp) + $REG_L $s1,$FRAMESIZE-13*$SZREG($sp) + $REG_L $s0,$FRAMESIZE-14*$SZREG($sp) + $REG_L $gp,$FRAMESIZE-15*$SZREG($sp) +___ +$code.=<<___; + jr $ra + $PTR_ADD $sp,$FRAMESIZE +.end sha${label}_block_data_order + +.rdata +.align 5 +K${label}: +___ +if ($SZ==4) { +$code.=<<___; + .word 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5 + .word 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5 + .word 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3 + .word 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174 + .word 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc + .word 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da + .word 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7 + .word 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967 + .word 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13 + .word 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85 + .word 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3 + .word 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070 + .word 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5 + .word 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3 + .word 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208 + .word 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +___ +} else { +$code.=<<___; + .dword 0x428a2f98d728ae22, 0x7137449123ef65cd + .dword 0xb5c0fbcfec4d3b2f, 0xe9b5dba58189dbbc + .dword 0x3956c25bf348b538, 0x59f111f1b605d019 + .dword 0x923f82a4af194f9b, 0xab1c5ed5da6d8118 + .dword 0xd807aa98a3030242, 0x12835b0145706fbe + .dword 0x243185be4ee4b28c, 0x550c7dc3d5ffb4e2 + .dword 0x72be5d74f27b896f, 0x80deb1fe3b1696b1 + .dword 0x9bdc06a725c71235, 0xc19bf174cf692694 + .dword 0xe49b69c19ef14ad2, 0xefbe4786384f25e3 + .dword 0x0fc19dc68b8cd5b5, 0x240ca1cc77ac9c65 + .dword 0x2de92c6f592b0275, 0x4a7484aa6ea6e483 + .dword 0x5cb0a9dcbd41fbd4, 0x76f988da831153b5 + .dword 0x983e5152ee66dfab, 0xa831c66d2db43210 + .dword 0xb00327c898fb213f, 0xbf597fc7beef0ee4 + .dword 0xc6e00bf33da88fc2, 0xd5a79147930aa725 + .dword 0x06ca6351e003826f, 0x142929670a0e6e70 + .dword 0x27b70a8546d22ffc, 0x2e1b21385c26c926 + .dword 0x4d2c6dfc5ac42aed, 0x53380d139d95b3df + .dword 0x650a73548baf63de, 0x766a0abb3c77b2a8 + .dword 0x81c2c92e47edaee6, 0x92722c851482353b + .dword 0xa2bfe8a14cf10364, 0xa81a664bbc423001 + .dword 0xc24b8b70d0f89791, 0xc76c51a30654be30 + .dword 0xd192e819d6ef5218, 0xd69906245565a910 + .dword 0xf40e35855771202a, 0x106aa07032bbd1b8 + .dword 0x19a4c116b8d2d0c8, 0x1e376c085141ab53 + .dword 0x2748774cdf8eeb99, 0x34b0bcb5e19b48a8 + .dword 0x391c0cb3c5c95a63, 0x4ed8aa4ae3418acb + .dword 0x5b9cca4f7763e373, 0x682e6ff3d6b2b8a3 + .dword 0x748f82ee5defb2fc, 0x78a5636f43172f60 + .dword 0x84c87814a1f0ab72, 0x8cc702081a6439ec + .dword 0x90befffa23631e28, 0xa4506cebde82bde9 + .dword 0xbef9a3f7b2c67915, 0xc67178f2e372532b + .dword 0xca273eceea26619c, 0xd186b8c721c0c207 + .dword 0xeada7dd6cde0eb1e, 0xf57d4f7fee6ed178 + .dword 0x06f067aa72176fba, 0x0a637dc5a2c898a6 + .dword 0x113f9804bef90dae, 0x1b710b35131c471b + .dword 0x28db77f523047d84, 0x32caab7b40c72493 + .dword 0x3c9ebe0a15c9bebc, 0x431d67c49c100d4c + .dword 0x4cc5d4becb3e42b6, 0x597f299cfc657e2a + .dword 0x5fcb6fab3ad6faec, 0x6c44198c4a475817 +___ +} +$code.=<<___; +.asciiz "SHA${label} for MIPS, CRYPTOGAMS by " +.align 5 + +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; -- 2.25.1