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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /openssl/crypto/ppccpuid.pl
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Diffstat (limited to 'openssl/crypto/ppccpuid.pl')
-rw-r--r--openssl/crypto/ppccpuid.pl94
1 files changed, 94 insertions, 0 deletions
diff --git a/openssl/crypto/ppccpuid.pl b/openssl/crypto/ppccpuid.pl
new file mode 100644
index 000000000..fe44ff07b
--- /dev/null
+++ b/openssl/crypto/ppccpuid.pl
@@ -0,0 +1,94 @@
+#!/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
+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;