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openssl/crypto/c64xpluscpuid.pl
Andy Polyakov e33826f01b Add assembly CRYPTO_memcmp. 
GH: #102

Reviewed-by: Richard Levitte <levitte@openssl.org>
2016-05-19 22:33:00 +02:00

288 lines
5.3 KiB
Perl
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#! /usr/bin/env perl
# Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (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
while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {}
open STDOUT,">$output";
$code.=<<___;
.text
.if .ASSEMBLER_VERSION<7000000
.asg 0,__TI_EABI__
.endif
.if __TI_EABI__
.asg OPENSSL_rdtsc,_OPENSSL_rdtsc
.asg OPENSSL_cleanse,_OPENSSL_cleanse
.asg CRYPTO_memcmp,_CRYPTO_memcmp
.asg OPENSSL_atomic_add,_OPENSSL_atomic_add
.asg OPENSSL_wipe_cpu,_OPENSSL_wipe_cpu
.asg OPENSSL_instrument_bus,_OPENSSL_instrument_bus
.asg OPENSSL_instrument_bus2,_OPENSSL_instrument_bus2
.endif
.asg B3,RA
.global _OPENSSL_rdtsc
_OPENSSL_rdtsc:
.asmfunc
B RA
MVC TSCL,B0
MVC TSCH,B1
[!B0] MVC B0,TSCL ; start TSC
MV B0,A4
MV B1,A5
.endasmfunc
.global _OPENSSL_cleanse
_OPENSSL_cleanse:
.asmfunc
ZERO A3:A2
|| ZERO B2
|| SHRU B4,3,B0 ; is length >= 8
|| ADD 1,A4,B6
[!B0] BNOP RA
|| ZERO A1
|| ZERO B1
[B0] MVC B0,ILC
||[!B0] CMPLT 0,B4,A1
||[!B0] CMPLT 1,B4,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
||[!B0] CMPLT 2,B4,A1
||[!B0] CMPLT 3,B4,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
||[!B0] CMPLT 4,B4,A1
||[!B0] CMPLT 5,B4,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
||[!B0] CMPLT 6,B4,A1
[A1] STB A2,*A4++[2]
SPLOOP 1
STNDW A3:A2,*A4++
|| SUB B4,8,B4
SPKERNEL
MV B4,B0 ; remaining bytes
|| ADD 1,A4,B6
|| BNOP RA
[B0] CMPLT 0,B0,A1
|| [B0] CMPLT 1,B0,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
|| [B0] CMPLT 2,B0,A1
|| [B0] CMPLT 3,B0,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
|| [B0] CMPLT 4,B0,A1
|| [B0] CMPLT 5,B0,B1
[A1] STB A2,*A4++[2]
|| [B1] STB B2,*B6++[2]
|| [B0] CMPLT 6,B0,A1
[A1] STB A2,*A4++[2]
.endasmfunc
.global _CRYPTO_memcmp
_CRYPTO_memcmp:
.asmfunc
MV A6,B0
[!B0] BNOP RA
||[!B0] ZERO A4
[B0] MVC B0,ILC
|| [B0] ZERO A0
NOP 4
SPLOOP 1
LDBU *A4++,A1
|| LDBU *B4++,B1
NOP 4
XOR.L B1,A1,A2
SPKERNEL 1,0
|| OR.S A2,A0,A0
BNOP RA,3
ZERO.L A4
[A0] MVK 1,A4
.endasmfunc
.global _OPENSSL_atomic_add
_OPENSSL_atomic_add:
.asmfunc
MV A4,B0
atomic_add?:
LL *B0,B5
NOP 4
ADD B4,B5,B5
SL B5,*B0
CMTL *B0,B1
NOP 4
[!B1] B atomic_add?
[B1] BNOP RA,4
MV B5,A4
.endasmfunc
.global _OPENSSL_wipe_cpu
_OPENSSL_wipe_cpu:
.asmfunc
ZERO A0
|| ZERO B0
|| ZERO A1
|| ZERO B1
ZERO A3:A2
|| MVD B0,B2
|| ZERO A4
|| ZERO B4
|| ZERO A5
|| ZERO B5
|| BNOP RA
ZERO A7:A6
|| ZERO B7:B6
|| ZERO A8
|| ZERO B8
|| ZERO A9
|| ZERO B9
ZERO A17:A16
|| ZERO B17:B16
|| ZERO A18
|| ZERO B18
|| ZERO A19
|| ZERO B19
ZERO A21:A20
|| ZERO B21:B20
|| ZERO A22
|| ZERO B22
|| ZERO A23
|| ZERO B23
ZERO A25:A24
|| ZERO B25:B24
|| ZERO A26
|| ZERO B26
|| ZERO A27
|| ZERO B27
ZERO A29:A28
|| ZERO B29:B28
|| ZERO A30
|| ZERO B30
|| ZERO A31
|| ZERO B31
.endasmfunc
CLFLUSH .macro CONTROL,ADDR,LEN
B passthrough?
|| STW ADDR,*CONTROL[0]
STW LEN,*CONTROL[1]
spinlock?:
LDW *CONTROL[1],A0
NOP 3
passthrough?:
NOP
[A0] BNOP spinlock?,5
.endm
.global _OPENSSL_instrument_bus
_OPENSSL_instrument_bus:
.asmfunc
MV B4,B0 ; reassign sizeof(output)
|| MV A4,B4 ; reassign output
|| MVK 0x00004030,A3
MV B0,A4 ; return value
|| MVK 1,A1
|| MVKH 0x01840000,A3 ; L1DWIBAR
MVC TSCL,B8 ; collect 1st tick
|| MVK 0x00004010,A5
MV B8,B9 ; lasttick = tick
|| MVK 0,B7 ; lastdiff = 0
|| MVKH 0x01840000,A5 ; L2WIBAR
CLFLUSH A3,B4,A1 ; write-back and invalidate L1D line
CLFLUSH A5,B4,A1 ; write-back and invalidate L2 line
LL *B4,B5
NOP 4
ADD B7,B5,B5
SL B5,*B4
CMTL *B4,B1
NOP 4
STW B5,*B4
bus_loop1?:
MVC TSCL,B8
|| [B0] SUB B0,1,B0
SUB B8,B9,B7 ; lastdiff = tick - lasttick
|| MV B8,B9 ; lasttick = tick
CLFLUSH A3,B4,A1 ; write-back and invalidate L1D line
CLFLUSH A5,B4,A1 ; write-back and invalidate L2 line
LL *B4,B5
NOP 4
ADD B7,B5,B5
SL B5,*B4
CMTL *B4,B1
STW B5,*B4 ; [!B1] is removed to flatten samples
|| ADDK 4,B4
|| [B0] BNOP bus_loop1?,5
BNOP RA,5
.endasmfunc
.global _OPENSSL_instrument_bus2
_OPENSSL_instrument_bus2:
.asmfunc
MV A6,B0 ; reassign max
|| MV B4,A6 ; reassing sizeof(output)
|| MVK 0x00004030,A3
MV A4,B4 ; reassign output
|| MVK 0,A4 ; return value
|| MVK 1,A1
|| MVKH 0x01840000,A3 ; L1DWIBAR
MVC TSCL,B8 ; collect 1st tick
|| MVK 0x00004010,A5
MV B8,B9 ; lasttick = tick
|| MVK 0,B7 ; lastdiff = 0
|| MVKH 0x01840000,A5 ; L2WIBAR
CLFLUSH A3,B4,A1 ; write-back and invalidate L1D line
CLFLUSH A5,B4,A1 ; write-back and invalidate L2 line
LL *B4,B5
NOP 4
ADD B7,B5,B5
SL B5,*B4
CMTL *B4,B1
NOP 4
STW B5,*B4
MVC TSCL,B8 ; collect 1st diff
SUB B8,B9,B7 ; lastdiff = tick - lasttick
|| MV B8,B9 ; lasttick = tick
|| SUB B0,1,B0
bus_loop2?:
CLFLUSH A3,B4,A1 ; write-back and invalidate L1D line
CLFLUSH A5,B4,A1 ; write-back and invalidate L2 line
LL *B4,B5
NOP 4
ADD B7,B5,B5
SL B5,*B4
CMTL *B4,B1
STW B5,*B4 ; [!B1] is removed to flatten samples
||[!B0] BNOP bus_loop2_done?,2
|| SUB B0,1,B0
MVC TSCL,B8
SUB B8,B9,B8
|| MV B8,B9
CMPEQ B8,B7,B2
|| MV B8,B7
[!B2] ADDAW B4,1,B4
||[!B2] ADDK 1,A4
CMPEQ A4,A6,A2
[!A2] BNOP bus_loop2?,5
bus_loop2_done?:
BNOP RA,5
.endasmfunc
___
print $code;
close STDOUT;
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