| 1 | ; $Id: tstRTPrfA.asm 60191 2016-03-25 16:59:31Z vboxsync $
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| 2 | ;; @file
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| 3 | ; IPRT - Comparing CPU registers and memory (cache).
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2007-2016 Oracle Corporation
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License (GPL) as published by the Free Software
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| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; The contents of this file may alternatively be used under the terms
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| 18 | ; of the Common Development and Distribution License Version 1.0
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| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
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| 21 | ; CDDL are applicable instead of those of the GPL.
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| 22 | ;
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| 23 | ; You may elect to license modified versions of this file under the
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| 24 | ; terms and conditions of either the GPL or the CDDL or both.
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| 25 | ;
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| 26 |
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| 27 |
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| 28 |
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| 29 | %include "iprt/asmdefs.mac"
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| 30 |
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| 31 |
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| 32 | %define NUM_LOOPS 10000h
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| 33 |
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| 34 | BEGINPROC tstRTPRfARegisterAccess
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| 35 | push xBP
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| 36 | mov xBP, xSP
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| 37 | and xSP, ~3fh ; 64 byte align xSP
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| 38 | push xBP
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| 39 | mov xBP, xSP
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| 40 | sub xSP, 20h
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| 41 |
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| 42 | mov xAX, 1
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| 43 | mov xDX, 1
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| 44 | mov ecx, NUM_LOOPS
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| 45 | .again:
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| 46 | add eax, ecx
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| 47 | add xDX, xAX
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| 48 | shr xAX, 3
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| 49 | shl xAX, 1
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| 50 | xor xDX, 01010101h
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| 51 |
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| 52 | add eax, ecx
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| 53 | add xDX, xAX
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| 54 | shr xAX, 3
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| 55 | shl xAX, 1
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| 56 | xor xDX, 01010101h
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| 57 |
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| 58 | add eax, ecx
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| 59 | add xDX, xAX
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| 60 | shr xAX, 3
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| 61 | shl xAX, 1
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| 62 | xor xDX, 01010101h
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| 63 |
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| 64 | dec ecx
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| 65 | jnz .again
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| 66 |
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| 67 | leave
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| 68 | leave
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| 69 | ret
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| 70 | ENDPROC tstRTPRfARegisterAccess
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| 71 |
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| 72 |
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| 73 | BEGINPROC tstRTPRfAMemoryAccess
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| 74 | push xBP
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| 75 | mov xBP, xSP
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| 76 | and xSP, ~3fh ; 64 byte align xSP
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| 77 | push xBP
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| 78 | mov xBP, xSP
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| 79 | sub xSP, 20h
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| 80 |
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| 81 | %define VAR_XAX [xBP - xCB*1]
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| 82 | %define VAR_XDX [xBP - xCB*2]
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| 83 | %define VAR_ECX [xBP - xCB*3]
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| 84 |
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| 85 | mov RTCCPTR_PRE VAR_XAX, 1
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| 86 | mov RTCCPTR_PRE VAR_XDX, 1
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| 87 | mov dword VAR_ECX, NUM_LOOPS
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| 88 | .again:
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| 89 |
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| 90 | mov eax, VAR_ECX
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| 91 | add VAR_XAX, eax
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| 92 | mov xAX, VAR_XAX
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| 93 | add VAR_XDX, xAX
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| 94 | shr RTCCPTR_PRE VAR_XAX, 3
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| 95 | shl RTCCPTR_PRE VAR_XAX, 1
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| 96 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 97 |
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| 98 | mov eax, VAR_ECX
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| 99 | add VAR_XAX, eax
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| 100 | mov xAX, VAR_XAX
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| 101 | add VAR_XDX, xAX
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| 102 | shr RTCCPTR_PRE VAR_XAX, 3
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| 103 | shl RTCCPTR_PRE VAR_XAX, 1
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| 104 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 105 |
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| 106 | mov eax, VAR_ECX
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| 107 | add VAR_XAX, eax
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| 108 | mov xAX, VAR_XAX
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| 109 | add VAR_XDX, xAX
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| 110 | shr RTCCPTR_PRE VAR_XAX, 3
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| 111 | shl RTCCPTR_PRE VAR_XAX, 1
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| 112 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 113 |
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| 114 | dec dword VAR_ECX
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| 115 | jnz .again
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| 116 |
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| 117 | %undef VAR_XAX
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| 118 | %undef VAR_XDX
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| 119 | %undef VAR_ECX
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| 120 |
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| 121 | leave
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| 122 | leave
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| 123 | ret
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| 124 | ENDPROC tstRTPRfAMemoryAccess
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| 125 |
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| 126 |
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| 127 | BEGINPROC tstRTPRfAMemoryUnalignedAccess
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| 128 | push xBP
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| 129 | mov xBP, xSP
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| 130 | and xSP, ~3fh ; 64 byte align xSP
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| 131 | push xBP
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| 132 | mov xBP, xSP
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| 133 | sub xSP, 20h
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| 134 |
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| 135 | %define VAR_XAX [xBP - xCB*1 - 1]
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| 136 | %define VAR_XDX [xBP - xCB*2 - 1]
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| 137 | %define VAR_ECX [xBP - xCB*3 - 1]
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| 138 |
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| 139 | mov RTCCPTR_PRE VAR_XAX, 1
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| 140 | mov RTCCPTR_PRE VAR_XDX, 1
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| 141 | mov dword VAR_ECX, NUM_LOOPS
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| 142 | .again:
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| 143 |
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| 144 | mov eax, VAR_ECX
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| 145 | add VAR_XAX, eax
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| 146 | mov xAX, VAR_XAX
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| 147 | add VAR_XDX, xAX
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| 148 | shr RTCCPTR_PRE VAR_XAX, 3
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| 149 | shl RTCCPTR_PRE VAR_XAX, 1
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| 150 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 151 |
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| 152 | mov eax, VAR_ECX
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| 153 | add VAR_XAX, eax
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| 154 | mov xAX, VAR_XAX
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| 155 | add VAR_XDX, xAX
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| 156 | shr RTCCPTR_PRE VAR_XAX, 3
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| 157 | shl RTCCPTR_PRE VAR_XAX, 1
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| 158 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 159 |
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| 160 | mov eax, VAR_ECX
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| 161 | add VAR_XAX, eax
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| 162 | mov xAX, VAR_XAX
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| 163 | add VAR_XDX, xAX
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| 164 | shr RTCCPTR_PRE VAR_XAX, 3
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| 165 | shl RTCCPTR_PRE VAR_XAX, 1
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| 166 | xor RTCCPTR_PRE VAR_XDX, 01010101h
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| 167 |
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| 168 | dec dword VAR_ECX
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| 169 | jnz .again
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| 170 |
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| 171 | %undef VAR_XAX
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| 172 | %undef VAR_XDX
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| 173 | %undef VAR_ECX
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| 174 |
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| 175 | leave
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| 176 | leave
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| 177 | ret
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| 178 | ENDPROC tstRTPRfAMemoryUnalignedAccess
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| 179 |
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