diff options
Diffstat (limited to 'openssl/crypto/ppccpuid.pl')
| -rwxr-xr-x | openssl/crypto/ppccpuid.pl | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/openssl/crypto/ppccpuid.pl b/openssl/crypto/ppccpuid.pl new file mode 100755 index 00000000..369e1d0d --- /dev/null +++ b/openssl/crypto/ppccpuid.pl @@ -0,0 +1,96 @@ +#!/usr/bin/env perl + +$flavour = shift; + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or +( $xlate="${dir}perlasm/ppc-xlate.pl" and -f $xlate) or +die "can't locate ppc-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; + +if ($flavour=~/64/) { + $CMPLI="cmpldi"; + $SHRLI="srdi"; + $SIGNX="extsw"; +} else { + $CMPLI="cmplwi"; + $SHRLI="srwi"; + $SIGNX="mr"; +} + +$code=<<___; +.machine "any" +.text + +.globl .OPENSSL_cpuid_setup +.align 4 +.OPENSSL_cpuid_setup: + blr + +.globl .OPENSSL_wipe_cpu +.align 4 +.OPENSSL_wipe_cpu: + xor r0,r0,r0 + mr r3,r1 + xor r4,r4,r4 + xor r5,r5,r5 + xor r6,r6,r6 + xor r7,r7,r7 + xor r8,r8,r8 + xor r9,r9,r9 + xor r10,r10,r10 + xor r11,r11,r11 + xor r12,r12,r12 + blr + +.globl .OPENSSL_atomic_add +.align 4 +.OPENSSL_atomic_add: +Loop: lwarx r5,0,r3 + add r0,r4,r5 + stwcx. r0,0,r3 + bne- Loop + $SIGNX r3,r0 + blr + +.globl .OPENSSL_rdtsc +.align 4 +.OPENSSL_rdtsc: + mftb r3 + mftbu r4 + blr + +.globl .OPENSSL_cleanse +.align 4 +.OPENSSL_cleanse: + $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 + blr +Lot: andi. r5,r3,3 + beq Laligned + stb r0,0(r3) + subi r4,r4,1 + addi r3,r3,1 + b Lot +Laligned: + $SHRLI r5,r4,2 + mtctr r5 + stw r0,0(r3) + addi r3,r3,4 + bdnz- \$-8 + andi. r4,r4,3 + bne Little + blr +___ + +$code =~ s/\`([^\`]*)\`/eval $1/gem; +print $code; +close STDOUT; |