97 lines
1.4 KiB
Perl
97 lines
1.4 KiB
Perl
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#!/usr/bin/env perl
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$flavour = shift;
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or
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die "can't locate ppc-xlate.pl";
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open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
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if ($flavour=~/64/) {
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$CMPLI="cmpldi";
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$SHRLI="srdi";
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$SIGNX="extsw";
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} else {
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$CMPLI="cmplwi";
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$SHRLI="srwi";
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$SIGNX="mr";
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}
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$code=<<___;
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.machine "any"
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.text
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.globl .OPENSSL_cpuid_setup
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.align 4
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.OPENSSL_cpuid_setup:
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blr
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.globl .OPENSSL_wipe_cpu
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.align 4
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.OPENSSL_wipe_cpu:
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xor r0,r0,r0
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mr r3,r1
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xor r4,r4,r4
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xor r5,r5,r5
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xor r6,r6,r6
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xor r7,r7,r7
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xor r8,r8,r8
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xor r9,r9,r9
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xor r10,r10,r10
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xor r11,r11,r11
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xor r12,r12,r12
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blr
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.globl .OPENSSL_atomic_add
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.align 4
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.OPENSSL_atomic_add:
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Loop: lwarx r5,0,r3
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add r0,r4,r5
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stwcx. r0,0,r3
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bne- Loop
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$SIGNX r3,r0
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blr
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.globl .OPENSSL_rdtsc
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.align 4
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.OPENSSL_rdtsc:
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mftb r3
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mftbu r4
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blr
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.globl .OPENSSL_cleanse
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.align 4
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.OPENSSL_cleanse:
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$CMPLI r4,7
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li r0,0
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bge Lot
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$CMPLI r4,0
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beqlr-
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Little: mtctr r4
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stb r0,0(r3)
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addi r3,r3,1
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bdnz- \$-8
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blr
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Lot: andi. r5,r3,3
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beq Laligned
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stb r0,0(r3)
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subi r4,r4,1
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addi r3,r3,1
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b Lot
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Laligned:
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$SHRLI r5,r4,2
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mtctr r5
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stw r0,0(r3)
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addi r3,r3,4
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bdnz- \$-8
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andi. r4,r4,3
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bne Little
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blr
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___
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$code =~ s/\`([^\`]*)\`/eval $1/gem;
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print $code;
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close STDOUT;
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