-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2010-2020 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the Apache License 2.0 (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
+
+$output = pop and open STDOUT,">$output";
+
print <<'___';
.text
OPENSSL_atomic_add:
.frame $30,0,$26
.prologue 0
-1: ldl_l $0,($16)
+1: ldl_l $0,0($16)
addl $0,$17,$1
- stl_c $1,($16)
+ stl_c $1,0($16)
beq $1,1b
addl $0,$17,$0
ret ($26)
beq $0,.Laligned
.Little:
+ subq $0,8,$0
ldq_u $1,0($16)
mov $16,$2
.Lalign:
mskbl $1,$16,$1
lda $16,1($16)
subq $17,1,$17
- subq $0,1,$0
+ addq $0,1,$0
beq $17,.Lout
bne $0,.Lalign
.Lout: stq_u $1,0($2)
beq $17,.Ldone
bic $17,7,$at
- mov $17,$0
beq $at,.Little
.Laligned:
lda $16,8($16)
bic $17,7,$at
bne $at,.Laligned
- beq $17,.Ldone
- mov $17,$0
- br .Little
+ bne $17,.Little
.Ldone: ret ($26)
.end OPENSSL_cleanse
+
+.globl CRYPTO_memcmp
+.ent CRYPTO_memcmp
+CRYPTO_memcmp:
+ .frame $30,0,$26
+ .prologue 0
+ xor $0,$0,$0
+ beq $18,.Lno_data
+
+ xor $1,$1,$1
+ nop
+.Loop_cmp:
+ ldq_u $2,0($16)
+ subq $18,1,$18
+ ldq_u $3,0($17)
+ extbl $2,$16,$2
+ lda $16,1($16)
+ extbl $3,$17,$3
+ lda $17,1($17)
+ xor $3,$2,$2
+ or $2,$0,$0
+ bne $18,.Loop_cmp
+
+ subq $31,$0,$0
+ srl $0,63,$0
+.Lno_data:
+ ret ($26)
+.end CRYPTO_memcmp
___
+{
+my ($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
+___
+}
+
+close STDOUT or die "error closing STDOUT: $!";