diff options
Diffstat (limited to 'crypto/ppccpuid.pl')
| -rwxr-xr-x | crypto/ppccpuid.pl | 155 |
1 files changed, 154 insertions, 1 deletions
diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl index 8d800fe7d36f..9d1cada4dc4c 100755 --- a/crypto/ppccpuid.pl +++ b/crypto/ppccpuid.pl @@ -1,4 +1,11 @@ -#!/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 + $flavour = shift; @@ -23,6 +30,14 @@ $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: @@ -52,6 +67,16 @@ $code=<<___; .byte 0,12,0x14,0,0,0,0,0 .size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe +.globl .OPENSSL_madd300_probe +.align 4 +.OPENSSL_madd300_probe: + xor r0,r0,r0 + maddld r3,r0,r0,r0 + maddhdu r3,r0,r0,r0 + blr + .long 0 + .byte 0,12,0x14,0,0,0,0,0 + .globl .OPENSSL_wipe_cpu .align 4 .OPENSSL_wipe_cpu: @@ -102,8 +127,19 @@ Ladd: lwarx r5,0,r3 .globl .OPENSSL_rdtsc .align 4 .OPENSSL_rdtsc: +___ +$code.=<<___ if ($flavour =~ /64/); + mftb r3 +___ +$code.=<<___ if ($flavour !~ /64/); +Loop_rdtsc: + mftbu r5 mftb r3 mftbu r4 + cmplw r4,r5 + bne Loop_rdtsc +___ +$code.=<<___; blr .long 0 .byte 0,12,0x14,0,0,0,0,0 @@ -141,7 +177,124 @@ Laligned: .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 +.align 4 +.OPENSSL_instrument_bus: + 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,.-.OPENSSL_instrument_bus + +.globl .OPENSSL_instrument_bus2 +.align 4 +.OPENSSL_instrument_bus2: + 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,.-.OPENSSL_instrument_bus2 +___ +} $code =~ s/\`([^\`]*)\`/eval $1/gem; print $code; |