-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (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;
.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:
-Loop: lwarx r5,0,r3
+Ladd: lwarx r5,0,r3
add r0,r4,r5
stwcx. r0,0,r3
- bne- Loop
+ 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
+.globl .OPENSSL_rdtsc_mftb
.align 4
-.OPENSSL_rdtsc:
+.OPENSSL_rdtsc_mftb:
mftb r3
- mftbu r4
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
$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
+ bdnz \$-8
blr
Lot: andi. r5,r3,3
beq Laligned
mtctr r5
stw r0,0(r3)
addi r3,r3,4
- bdnz- \$-8
+ 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;
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