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| #! /usr/bin/env perl
| # Copyright 2007-2020 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;
|
| $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
| ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
| ( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
| die "can't locate ppc-xlate.pl";
|
| open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
|
| if ($flavour=~/64/) {
| $CMPLI="cmpldi";
| $SHRLI="srdi";
| $SIGNX="extsw";
| } else {
| $CMPLI="cmplwi";
| $SHRLI="srwi";
| $SIGNX="mr";
| }
|
| $code=<<___;
| .machine "any"
| .text
|
| .globl .OPENSSL_fpu_probe
| .align 4
| .OPENSSL_fpu_probe:
| fmr f0,f0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe
| .globl .OPENSSL_ppc64_probe
| .align 4
| .OPENSSL_ppc64_probe:
| fcfid f1,f1
| extrdi r0,r0,32,0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
|
| .globl .OPENSSL_altivec_probe
| .align 4
| .OPENSSL_altivec_probe:
| .long 0x10000484 # vor v0,v0,v0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
|
| .globl .OPENSSL_crypto207_probe
| .align 4
| .OPENSSL_crypto207_probe:
| lvx_u v0,0,r1
| vcipher v0,v0,v0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
|
| .globl .OPENSSL_madd300_probe
| .align 4
| .OPENSSL_madd300_probe:
| xor r0,r0,r0
| maddld r3,r0,r0,r0
| maddhdu r3,r0,r0,r0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
|
| .globl .OPENSSL_wipe_cpu
| .align 4
| .OPENSSL_wipe_cpu:
| xor r0,r0,r0
| fmr f0,f31
| fmr f1,f31
| fmr f2,f31
| mr r3,r1
| fmr f3,f31
| xor r4,r4,r4
| fmr f4,f31
| xor r5,r5,r5
| fmr f5,f31
| xor r6,r6,r6
| fmr f6,f31
| xor r7,r7,r7
| fmr f7,f31
| xor r8,r8,r8
| fmr f8,f31
| xor r9,r9,r9
| fmr f9,f31
| xor r10,r10,r10
| fmr f10,f31
| xor r11,r11,r11
| fmr f11,f31
| xor r12,r12,r12
| fmr f12,f31
| fmr f13,f31
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_wipe_cpu,.-.OPENSSL_wipe_cpu
|
| .globl .OPENSSL_atomic_add
| .align 4
| .OPENSSL_atomic_add:
| Ladd: lwarx r5,0,r3
| add r0,r4,r5
| stwcx. r0,0,r3
| bne- Ladd
| $SIGNX r3,r0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,2,0
| .long 0
| .size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
|
| .globl .OPENSSL_rdtsc_mftb
| .align 4
| .OPENSSL_rdtsc_mftb:
| mftb r3
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_rdtsc_mftb,.-.OPENSSL_rdtsc_mftb
|
| .globl .OPENSSL_rdtsc_mfspr268
| .align 4
| .OPENSSL_rdtsc_mfspr268:
| mfspr r3,268
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,0,0
| .size .OPENSSL_rdtsc_mfspr268,.-.OPENSSL_rdtsc_mfspr268
|
| .globl .OPENSSL_cleanse
| .align 4
| .OPENSSL_cleanse:
| $CMPLI r4,7
| li r0,0
| bge Lot
| $CMPLI r4,0
| beqlr-
| Little: mtctr r4
| stb r0,0(r3)
| addi r3,r3,1
| bdnz \$-8
| blr
| Lot: andi. r5,r3,3
| beq Laligned
| stb r0,0(r3)
| subi r4,r4,1
| addi r3,r3,1
| b Lot
| Laligned:
| $SHRLI r5,r4,2
| mtctr r5
| stw r0,0(r3)
| addi r3,r3,4
| bdnz \$-8
| andi. r4,r4,3
| bne Little
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,2,0
| .long 0
| .size .OPENSSL_cleanse,.-.OPENSSL_cleanse
|
| globl .CRYPTO_memcmp
| .align 4
| .CRYPTO_memcmp:
| $CMPLI r5,0
| li r0,0
| beq Lno_data
| mtctr r5
| Loop_cmp:
| lbz r6,0(r3)
| addi r3,r3,1
| lbz r7,0(r4)
| addi r4,r4,1
| xor r6,r6,r7
| or r0,r0,r6
| bdnz Loop_cmp
|
| Lno_data:
| li r3,0
| sub r3,r3,r0
| extrwi r3,r3,1,0
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,3,0
| .long 0
| .size .CRYPTO_memcmp,.-.CRYPTO_memcmp
| ___
| {
| my ($out,$cnt,$max)=("r3","r4","r5");
| my ($tick,$lasttick)=("r6","r7");
| my ($diff,$lastdiff)=("r8","r9");
|
| $code.=<<___;
| .globl .OPENSSL_instrument_bus_mftb
| .align 4
| .OPENSSL_instrument_bus_mftb:
| mtctr $cnt
|
| mftb $lasttick # collect 1st tick
| li $diff,0
|
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| Loop: mftb $tick
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
| addi $out,$out,4 # ++$out
| bdnz Loop
|
| mr r3,$cnt
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,2,0
| .long 0
| .size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb
|
| .globl .OPENSSL_instrument_bus2_mftb
| .align 4
| .OPENSSL_instrument_bus2_mftb:
| mr r0,$cnt
| slwi $cnt,$cnt,2
|
| mftb $lasttick # collect 1st tick
| li $diff,0
|
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| mftb $tick # collect 1st diff
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| mr $lastdiff,$diff
| Loop2:
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| addic. $max,$max,-1
| beq Ldone2
|
| mftb $tick
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| cmplw 7,$diff,$lastdiff
| mr $lastdiff,$diff
|
| mfcr $tick # pull cr
| not $tick,$tick # flip bits
| rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
|
| sub. $cnt,$cnt,$tick # conditional --$cnt
| add $out,$out,$tick # conditional ++$out
| bne Loop2
|
| Ldone2:
| srwi $cnt,$cnt,2
| sub r3,r0,$cnt
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,3,0
| .long 0
| .size .OPENSSL_instrument_bus2_mftb,.-.OPENSSL_instrument_bus2_mftb
|
| .globl .OPENSSL_instrument_bus_mfspr268
| .align 4
| .OPENSSL_instrument_bus_mfspr268:
| mtctr $cnt
|
| mfspr $lasttick,268 # collect 1st tick
| li $diff,0
|
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| Loop3: mfspr $tick,268
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
| addi $out,$out,4 # ++$out
| bdnz Loop3
|
| mr r3,$cnt
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,2,0
| .long 0
| .size .OPENSSL_instrument_bus_mfspr268,.-.OPENSSL_instrument_bus_mfspr268
|
| .globl .OPENSSL_instrument_bus2_mfspr268
| .align 4
| .OPENSSL_instrument_bus2_mfspr268:
| mr r0,$cnt
| slwi $cnt,$cnt,2
|
| mfspr $lasttick,268 # collect 1st tick
| li $diff,0
|
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| mfspr $tick,268 # collect 1st diff
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| mr $lastdiff,$diff
| Loop4:
| dcbf 0,$out # flush cache line
| lwarx $tick,0,$out # load and lock
| add $tick,$tick,$diff
| stwcx. $tick,0,$out
| stwx $tick,0,$out
|
| addic. $max,$max,-1
| beq Ldone4
|
| mfspr $tick,268
| sub $diff,$tick,$lasttick
| mr $lasttick,$tick
| cmplw 7,$diff,$lastdiff
| mr $lastdiff,$diff
|
| mfcr $tick # pull cr
| not $tick,$tick # flip bits
| rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
|
| sub. $cnt,$cnt,$tick # conditional --$cnt
| add $out,$out,$tick # conditional ++$out
| bne Loop4
|
| Ldone4:
| srwi $cnt,$cnt,2
| sub r3,r0,$cnt
| blr
| .long 0
| .byte 0,12,0x14,0,0,0,3,0
| .long 0
| .size .OPENSSL_instrument_bus2_mfspr268,.-.OPENSSL_instrument_bus2_mfspr268
| ___
| }
|
| $code =~ s/\`([^\`]*)\`/eval $1/gem;
| print $code;
| close STDOUT or die "error closing STDOUT: $!";
|
|
