-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2019 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;
.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:
.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:
.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,.-.OPENSSL_rdtsc
+.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
.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 ($diff,$lastdiff)=("r8","r9");
$code.=<<___;
-.globl .OPENSSL_instrument_bus
+.globl .OPENSSL_instrument_bus_mftb
.align 4
-.OPENSSL_instrument_bus:
+.OPENSSL_instrument_bus_mftb:
mtctr $cnt
mftb $lasttick # collect 1st tick
.long 0
.byte 0,12,0x14,0,0,0,2,0
.long 0
-.size .OPENSSL_instrument_bus,.-.OPENSSL_instrument_bus
+.size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb
-.globl .OPENSSL_instrument_bus2
+.globl .OPENSSL_instrument_bus2_mftb
.align 4
-.OPENSSL_instrument_bus2:
+.OPENSSL_instrument_bus2_mftb:
mr r0,$cnt
slwi $cnt,$cnt,2
.long 0
.byte 0,12,0x14,0,0,0,3,0
.long 0
-.size .OPENSSL_instrument_bus2,.-.OPENSSL_instrument_bus2
+.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
___
}
projects / openssl.git / blobdiff