Multiple assembler packs: add experimental memory bus instrumentation.
diff --git a/crypto/alphacpuid.pl b/crypto/alphacpuid.pl
index c9474ff..11f2e30 100644
--- a/crypto/alphacpuid.pl
+++ b/crypto/alphacpuid.pl
@@ -126,3 +126,93 @@
.Ldone: ret ($26)
.end OPENSSL_cleanse
___
+{
+my ($out,$cnt,$max)=("\$16","\$17","\$18");
+my ($tick,$lasttick)=("\$19","\$20");
+my ($diff,$lastdiff)=("\$21","\$22");
+my ($v0,$ra,$sp,$zero)=("\$0","\$26","\$30","\$31");
+
+print <<___;
+.globl OPENSSL_instrument_bus
+.ent OPENSSL_instrument_bus
+OPENSSL_instrument_bus:
+ .frame $sp,0,$ra
+ .prologue 0
+ mov $cnt,$v0
+
+ rpcc $lasttick
+ mov 0,$diff
+
+ ecb ($out)
+ ldl_l $tick,0($out)
+ addl $diff,$tick,$tick
+ mov $tick,$diff
+ stl_c $tick,0($out)
+ stl $diff,0($out)
+
+.Loop: rpcc $tick
+ subq $tick,$lasttick,$diff
+ mov $tick,$lasttick
+
+ ecb ($out)
+ ldl_l $tick,0($out)
+ addl $diff,$tick,$tick
+ mov $tick,$diff
+ stl_c $tick,0($out)
+ stl $diff,0($out)
+
+ subl $cnt,1,$cnt
+ lda $out,4($out)
+ bne $cnt,.Loop
+
+ ret ($ra)
+.end OPENSSL_instrument_bus
+
+.globl OPENSSL_instrument_bus2
+.ent OPENSSL_instrument_bus2
+OPENSSL_instrument_bus2:
+ .frame $sp,0,$ra
+ .prologue 0
+ mov $cnt,$v0
+
+ rpcc $lasttick
+ mov 0,$diff
+
+ ecb ($out)
+ ldl_l $tick,0($out)
+ addl $diff,$tick,$tick
+ mov $tick,$diff
+ stl_c $tick,0($out)
+ stl $diff,0($out)
+
+ rpcc $tick
+ subq $tick,$lasttick,$diff
+ mov $tick,$lasttick
+ mov $diff,$lastdiff
+.Loop2:
+ ecb ($out)
+ ldl_l $tick,0($out)
+ addl $diff,$tick,$tick
+ mov $tick,$diff
+ stl_c $tick,0($out)
+ stl $diff,0($out)
+
+ subl $max,1,$max
+ beq $max,.Ldone2
+
+ rpcc $tick
+ subq $tick,$lasttick,$diff
+ mov $tick,$lasttick
+ subq $lastdiff,$diff,$tick
+ mov $diff,$lastdiff
+ cmovne $tick,1,$tick
+ subl $cnt,$tick,$cnt
+ s4addq $tick,$out,$out
+ bne $cnt,.Loop2
+
+.Ldone2:
+ subl $v0,$cnt,$v0
+ ret ($ra)
+.end OPENSSL_instrument_bus2
+___
+}
