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| #! /usr/bin/env perl
| # Copyright 2012-2020 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 ; reassign 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 or die "error closing STDOUT: $!";
|
|
