summaryrefslogtreecommitdiff
path: root/crypto/ppccpuid.pl
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/ppccpuid.pl')
-rwxr-xr-xcrypto/ppccpuid.pl112
1 files changed, 112 insertions, 0 deletions
diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl
new file mode 100755
index 0000000000..7e8d233b72
--- /dev/null
+++ b/crypto/ppccpuid.pl
@@ -0,0 +1,112 @@
+#!/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_ppc64_probe
+.align 4
+.OPENSSL_ppc64_probe:
+ fcfid f1,f1
+ extrdi r0,r0,32,0
+ blr
+
+.globl .OPENSSL_wipe_cpu
+.align 4
+.OPENSSL_wipe_cpu:
+ xor r0,r0,r0
+ fmr f0,f31
+ fmr f1,f31
+ fmr f2,f31
+ mr r3,r1
+ fmr f3,f31
+ xor r4,r4,r4
+ fmr f4,f31
+ xor r5,r5,r5
+ fmr f5,f31
+ xor r6,r6,r6
+ fmr f6,f31
+ xor r7,r7,r7
+ fmr f7,f31
+ xor r8,r8,r8
+ fmr f8,f31
+ xor r9,r9,r9
+ fmr f9,f31
+ xor r10,r10,r10
+ fmr f10,f31
+ xor r11,r11,r11
+ fmr f11,f31
+ xor r12,r12,r12
+ fmr f12,f31
+ fmr f13,f31
+ 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;