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_wipe_cpu
.align 4
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
$SIGNX r3,r0
blr
+ .long 0
+ .byte 0,12,0x14,0,0,0,2,0
+ .long 0
+.size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
.globl .OPENSSL_rdtsc
.align 4
mftb r3
mftbu r4
blr
+ .long 0
+ .byte 0,12,0x14,0,0,0,0,0
+.size .OPENSSL_rdtsc,.-.OPENSSL_rdtsc
.globl .OPENSSL_cleanse
.align 4
Little: mtctr r4
stb r0,0(r3)
addi r3,r3,1
- bdnz- \$-8
+ bdnz \$-8
blr
Lot: andi. r5,r3,3
beq Laligned
mtctr r5
stw r0,0(r3)
addi r3,r3,4
- bdnz- \$-8
+ bdnz \$-8
andi. r4,r4,3
bne Little
blr
+ .long 0
+ .byte 0,12,0x14,0,0,0,2,0
+ .long 0
+.size .OPENSSL_cleanse,.-.OPENSSL_cleanse
___
+{
+my ($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;