| 1 | #! /usr/bin/env perl
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| 2 | # Copyright 2007-2022 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | #
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| 4 | # Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | # this file except in compliance with the License. You can obtain a copy
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| 6 | # in the file LICENSE in the source distribution or at
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| 7 | # https://www.openssl.org/source/license.html
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| 8 |
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| 9 |
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| 10 | # $output is the last argument if it looks like a file (it has an extension)
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| 11 | # $flavour is the first argument if it doesn't look like a file
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| 12 | $output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
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| 13 | $flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
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| 14 |
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| 15 | $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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| 16 | ( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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| 17 | ( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
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| 18 | die "can't locate ppc-xlate.pl";
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| 19 |
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| 20 | open STDOUT,"| $^X $xlate $flavour \"$output\""
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| 21 | or die "can't call $xlate: $!";
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| 22 |
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| 23 | if ($flavour=~/64/) {
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| 24 | $CMPLI="cmpldi";
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| 25 | $SHRLI="srdi";
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| 26 | $SIGNX="extsw";
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| 27 | } else {
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| 28 | $CMPLI="cmplwi";
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| 29 | $SHRLI="srwi";
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| 30 | $SIGNX="mr";
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| 31 | }
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| 32 |
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| 33 | $code=<<___;
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| 34 | .machine "any"
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| 35 | .text
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| 36 |
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| 37 | .globl .OPENSSL_fpu_probe
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| 38 | .align 4
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| 39 | .OPENSSL_fpu_probe:
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| 40 | fmr f0,f0
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| 41 | blr
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| 42 | .long 0
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| 43 | .byte 0,12,0x14,0,0,0,0,0
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| 44 | .size .OPENSSL_fpu_probe,.-.OPENSSL_fpu_probe
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| 45 | .globl .OPENSSL_ppc64_probe
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| 46 | .align 4
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| 47 | .OPENSSL_ppc64_probe:
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| 48 | fcfid f1,f1
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| 49 | extrdi r0,r0,32,0
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| 50 | blr
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| 51 | .long 0
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| 52 | .byte 0,12,0x14,0,0,0,0,0
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| 53 | .size .OPENSSL_ppc64_probe,.-.OPENSSL_ppc64_probe
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| 54 |
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| 55 | .globl .OPENSSL_altivec_probe
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| 56 | .align 4
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| 57 | .OPENSSL_altivec_probe:
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| 58 | .long 0x10000484 # vor v0,v0,v0
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| 59 | blr
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| 60 | .long 0
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| 61 | .byte 0,12,0x14,0,0,0,0,0
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| 62 | .size .OPENSSL_altivec_probe,.-..OPENSSL_altivec_probe
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| 63 |
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| 64 | .globl .OPENSSL_crypto207_probe
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| 65 | .align 4
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| 66 | .OPENSSL_crypto207_probe:
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| 67 | lvx_u v0,0,r1
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| 68 | vcipher v0,v0,v0
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| 69 | blr
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| 70 | .long 0
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| 71 | .byte 0,12,0x14,0,0,0,0,0
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| 72 | .size .OPENSSL_crypto207_probe,.-.OPENSSL_crypto207_probe
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| 73 |
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| 74 | .globl .OPENSSL_madd300_probe
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| 75 | .align 4
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| 76 | .OPENSSL_madd300_probe:
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| 77 | xor r0,r0,r0
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| 78 | maddld r3,r0,r0,r0
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| 79 | maddhdu r3,r0,r0,r0
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| 80 | blr
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| 81 | .long 0
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| 82 | .byte 0,12,0x14,0,0,0,0,0
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| 83 |
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| 84 | .globl .OPENSSL_brd31_probe
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| 85 | .align 4
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| 86 | .OPENSSL_brd31_probe:
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| 87 | xor r0,r0,r0
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| 88 | brd r3,r0
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| 89 | blr
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| 90 | .long 0
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| 91 | .byte 0,12,0x14,0,0,0,0,0
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| 92 | .size .OPENSSL_brd31_probe,.-.OPENSSL_brd31_probe
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| 93 |
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| 94 |
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| 95 | .globl .OPENSSL_wipe_cpu
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| 96 | .align 4
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| 97 | .OPENSSL_wipe_cpu:
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| 98 | xor r0,r0,r0
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| 99 | fmr f0,f31
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| 100 | fmr f1,f31
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| 101 | fmr f2,f31
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| 102 | mr r3,r1
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| 103 | fmr f3,f31
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| 104 | xor r4,r4,r4
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| 105 | fmr f4,f31
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| 106 | xor r5,r5,r5
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| 107 | fmr f5,f31
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| 108 | xor r6,r6,r6
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| 109 | fmr f6,f31
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| 110 | xor r7,r7,r7
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| 111 | fmr f7,f31
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| 112 | xor r8,r8,r8
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| 113 | fmr f8,f31
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| 114 | xor r9,r9,r9
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| 115 | fmr f9,f31
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| 116 | xor r10,r10,r10
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| 117 | fmr f10,f31
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| 118 | xor r11,r11,r11
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| 119 | fmr f11,f31
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| 120 | xor r12,r12,r12
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| 121 | fmr f12,f31
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| 122 | fmr f13,f31
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| 123 | blr
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| 124 | .long 0
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| 125 | .byte 0,12,0x14,0,0,0,0,0
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| 126 | .size .OPENSSL_wipe_cpu,.-.OPENSSL_wipe_cpu
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| 127 |
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| 128 | .globl .OPENSSL_atomic_add
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| 129 | .align 4
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| 130 | .OPENSSL_atomic_add:
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| 131 | Ladd: lwarx r5,0,r3
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| 132 | add r0,r4,r5
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| 133 | stwcx. r0,0,r3
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| 134 | bne- Ladd
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| 135 | $SIGNX r3,r0
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| 136 | blr
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| 137 | .long 0
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| 138 | .byte 0,12,0x14,0,0,0,2,0
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| 139 | .long 0
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| 140 | .size .OPENSSL_atomic_add,.-.OPENSSL_atomic_add
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| 141 |
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| 142 | .globl .OPENSSL_rdtsc_mftb
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| 143 | .align 4
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| 144 | .OPENSSL_rdtsc_mftb:
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| 145 | mftb r3
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| 146 | blr
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| 147 | .long 0
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| 148 | .byte 0,12,0x14,0,0,0,0,0
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| 149 | .size .OPENSSL_rdtsc_mftb,.-.OPENSSL_rdtsc_mftb
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| 150 |
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| 151 | .globl .OPENSSL_rdtsc_mfspr268
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| 152 | .align 4
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| 153 | .OPENSSL_rdtsc_mfspr268:
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| 154 | mfspr r3,268
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| 155 | blr
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| 156 | .long 0
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| 157 | .byte 0,12,0x14,0,0,0,0,0
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| 158 | .size .OPENSSL_rdtsc_mfspr268,.-.OPENSSL_rdtsc_mfspr268
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| 159 |
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| 160 | .globl .OPENSSL_cleanse
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| 161 | .align 4
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| 162 | .OPENSSL_cleanse:
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| 163 | $CMPLI r4,7
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| 164 | li r0,0
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| 165 | bge Lot
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| 166 | $CMPLI r4,0
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| 167 | beqlr-
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| 168 | Little: mtctr r4
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| 169 | stb r0,0(r3)
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| 170 | addi r3,r3,1
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| 171 | bdnz \$-8
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| 172 | blr
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| 173 | Lot: andi. r5,r3,3
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| 174 | beq Laligned
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| 175 | stb r0,0(r3)
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| 176 | subi r4,r4,1
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| 177 | addi r3,r3,1
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| 178 | b Lot
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| 179 | Laligned:
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| 180 | $SHRLI r5,r4,2
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| 181 | mtctr r5
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| 182 | stw r0,0(r3)
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| 183 | addi r3,r3,4
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| 184 | bdnz \$-8
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| 185 | andi. r4,r4,3
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| 186 | bne Little
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| 187 | blr
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| 188 | .long 0
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| 189 | .byte 0,12,0x14,0,0,0,2,0
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| 190 | .long 0
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| 191 | .size .OPENSSL_cleanse,.-.OPENSSL_cleanse
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| 192 |
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| 193 | globl .CRYPTO_memcmp
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| 194 | .align 4
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| 195 | .CRYPTO_memcmp:
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| 196 | $CMPLI r5,0
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| 197 | li r0,0
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| 198 | beq Lno_data
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| 199 | mtctr r5
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| 200 | Loop_cmp:
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| 201 | lbz r6,0(r3)
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| 202 | addi r3,r3,1
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| 203 | lbz r7,0(r4)
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| 204 | addi r4,r4,1
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| 205 | xor r6,r6,r7
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| 206 | or r0,r0,r6
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| 207 | bdnz Loop_cmp
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| 208 |
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| 209 | Lno_data:
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| 210 | li r3,0
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| 211 | sub r3,r3,r0
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| 212 | extrwi r3,r3,1,0
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| 213 | blr
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| 214 | .long 0
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| 215 | .byte 0,12,0x14,0,0,0,3,0
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| 216 | .long 0
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| 217 | .size .CRYPTO_memcmp,.-.CRYPTO_memcmp
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| 218 | ___
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| 219 | {
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| 220 | my ($out,$cnt,$max)=("r3","r4","r5");
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| 221 | my ($tick,$lasttick)=("r6","r7");
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| 222 | my ($diff,$lastdiff)=("r8","r9");
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| 223 |
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| 224 | $code.=<<___;
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| 225 | .globl .OPENSSL_instrument_bus_mftb
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| 226 | .align 4
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| 227 | .OPENSSL_instrument_bus_mftb:
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| 228 | mtctr $cnt
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| 229 |
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| 230 | mftb $lasttick # collect 1st tick
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| 231 | li $diff,0
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| 232 |
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| 233 | dcbf 0,$out # flush cache line
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| 234 | lwarx $tick,0,$out # load and lock
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| 235 | add $tick,$tick,$diff
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| 236 | stwcx. $tick,0,$out
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| 237 | stwx $tick,0,$out
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| 238 |
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| 239 | Loop: mftb $tick
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| 240 | sub $diff,$tick,$lasttick
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| 241 | mr $lasttick,$tick
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| 242 | dcbf 0,$out # flush cache line
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| 243 | lwarx $tick,0,$out # load and lock
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| 244 | add $tick,$tick,$diff
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| 245 | stwcx. $tick,0,$out
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| 246 | stwx $tick,0,$out
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| 247 | addi $out,$out,4 # ++$out
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| 248 | bdnz Loop
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| 249 |
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| 250 | mr r3,$cnt
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| 251 | blr
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| 252 | .long 0
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| 253 | .byte 0,12,0x14,0,0,0,2,0
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| 254 | .long 0
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| 255 | .size .OPENSSL_instrument_bus_mftb,.-.OPENSSL_instrument_bus_mftb
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| 256 |
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| 257 | .globl .OPENSSL_instrument_bus2_mftb
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| 258 | .align 4
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| 259 | .OPENSSL_instrument_bus2_mftb:
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| 260 | mr r0,$cnt
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| 261 | slwi $cnt,$cnt,2
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| 262 |
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| 263 | mftb $lasttick # collect 1st tick
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| 264 | li $diff,0
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| 265 |
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| 266 | dcbf 0,$out # flush cache line
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| 267 | lwarx $tick,0,$out # load and lock
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| 268 | add $tick,$tick,$diff
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| 269 | stwcx. $tick,0,$out
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| 270 | stwx $tick,0,$out
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| 271 |
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| 272 | mftb $tick # collect 1st diff
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| 273 | sub $diff,$tick,$lasttick
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| 274 | mr $lasttick,$tick
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| 275 | mr $lastdiff,$diff
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| 276 | Loop2:
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| 277 | dcbf 0,$out # flush cache line
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| 278 | lwarx $tick,0,$out # load and lock
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| 279 | add $tick,$tick,$diff
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| 280 | stwcx. $tick,0,$out
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| 281 | stwx $tick,0,$out
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| 282 |
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| 283 | addic. $max,$max,-1
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| 284 | beq Ldone2
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| 285 |
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| 286 | mftb $tick
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| 287 | sub $diff,$tick,$lasttick
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| 288 | mr $lasttick,$tick
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| 289 | cmplw 7,$diff,$lastdiff
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| 290 | mr $lastdiff,$diff
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| 291 |
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| 292 | mfcr $tick # pull cr
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| 293 | not $tick,$tick # flip bits
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| 294 | rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
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| 295 |
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| 296 | sub. $cnt,$cnt,$tick # conditional --$cnt
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| 297 | add $out,$out,$tick # conditional ++$out
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| 298 | bne Loop2
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| 299 |
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| 300 | Ldone2:
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| 301 | srwi $cnt,$cnt,2
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| 302 | sub r3,r0,$cnt
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| 303 | blr
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| 304 | .long 0
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| 305 | .byte 0,12,0x14,0,0,0,3,0
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| 306 | .long 0
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| 307 | .size .OPENSSL_instrument_bus2_mftb,.-.OPENSSL_instrument_bus2_mftb
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| 308 |
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| 309 | .globl .OPENSSL_instrument_bus_mfspr268
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| 310 | .align 4
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| 311 | .OPENSSL_instrument_bus_mfspr268:
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| 312 | mtctr $cnt
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| 313 |
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| 314 | mfspr $lasttick,268 # collect 1st tick
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| 315 | li $diff,0
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| 316 |
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| 317 | dcbf 0,$out # flush cache line
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| 318 | lwarx $tick,0,$out # load and lock
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| 319 | add $tick,$tick,$diff
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| 320 | stwcx. $tick,0,$out
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| 321 | stwx $tick,0,$out
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| 322 |
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| 323 | Loop3: mfspr $tick,268
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| 324 | sub $diff,$tick,$lasttick
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| 325 | mr $lasttick,$tick
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| 326 | dcbf 0,$out # flush cache line
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| 327 | lwarx $tick,0,$out # load and lock
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| 328 | add $tick,$tick,$diff
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| 329 | stwcx. $tick,0,$out
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| 330 | stwx $tick,0,$out
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| 331 | addi $out,$out,4 # ++$out
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| 332 | bdnz Loop3
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| 333 |
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| 334 | mr r3,$cnt
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| 335 | blr
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| 336 | .long 0
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| 337 | .byte 0,12,0x14,0,0,0,2,0
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| 338 | .long 0
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| 339 | .size .OPENSSL_instrument_bus_mfspr268,.-.OPENSSL_instrument_bus_mfspr268
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| 340 |
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| 341 | .globl .OPENSSL_instrument_bus2_mfspr268
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| 342 | .align 4
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| 343 | .OPENSSL_instrument_bus2_mfspr268:
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| 344 | mr r0,$cnt
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| 345 | slwi $cnt,$cnt,2
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| 346 |
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| 347 | mfspr $lasttick,268 # collect 1st tick
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| 348 | li $diff,0
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| 349 |
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| 350 | dcbf 0,$out # flush cache line
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| 351 | lwarx $tick,0,$out # load and lock
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| 352 | add $tick,$tick,$diff
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| 353 | stwcx. $tick,0,$out
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| 354 | stwx $tick,0,$out
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| 355 |
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| 356 | mfspr $tick,268 # collect 1st diff
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| 357 | sub $diff,$tick,$lasttick
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| 358 | mr $lasttick,$tick
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| 359 | mr $lastdiff,$diff
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| 360 | Loop4:
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| 361 | dcbf 0,$out # flush cache line
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| 362 | lwarx $tick,0,$out # load and lock
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| 363 | add $tick,$tick,$diff
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| 364 | stwcx. $tick,0,$out
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| 365 | stwx $tick,0,$out
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| 366 |
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| 367 | addic. $max,$max,-1
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| 368 | beq Ldone4
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| 369 |
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| 370 | mfspr $tick,268
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| 371 | sub $diff,$tick,$lasttick
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| 372 | mr $lasttick,$tick
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| 373 | cmplw 7,$diff,$lastdiff
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| 374 | mr $lastdiff,$diff
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| 375 |
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| 376 | mfcr $tick # pull cr
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| 377 | not $tick,$tick # flip bits
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| 378 | rlwinm $tick,$tick,1,29,29 # isolate flipped eq bit and scale
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| 379 |
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| 380 | sub. $cnt,$cnt,$tick # conditional --$cnt
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| 381 | add $out,$out,$tick # conditional ++$out
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| 382 | bne Loop4
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| 383 |
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| 384 | Ldone4:
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| 385 | srwi $cnt,$cnt,2
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| 386 | sub r3,r0,$cnt
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| 387 | blr
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| 388 | .long 0
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| 389 | .byte 0,12,0x14,0,0,0,3,0
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| 390 | .long 0
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| 391 | .size .OPENSSL_instrument_bus2_mfspr268,.-.OPENSSL_instrument_bus2_mfspr268
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| 392 | ___
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| 393 | }
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| 394 |
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| 395 | $code =~ s/\`([^\`]*)\`/eval $1/gem;
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| 396 | print $code;
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| 397 | close STDOUT or die "error closing STDOUT: $!";
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