diff options
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTPrfA.asm')
| -rw-r--r-- | src/VBox/Runtime/testcase/tstRTPrfA.asm | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTPrfA.asm b/src/VBox/Runtime/testcase/tstRTPrfA.asm new file mode 100644 index 00000000..b72749aa --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTPrfA.asm @@ -0,0 +1,181 @@ +; $Id: tstRTPrfA.asm $ +;; @file +; IPRT - Comparing CPU registers and memory (cache). +; + +; +; Copyright (C) 2007-2019 Oracle Corporation +; +; This file is part of VirtualBox Open Source Edition (OSE), as +; available from http://www.virtualbox.org. This file is free software; +; you can redistribute it and/or modify it under the terms of the GNU +; General Public License (GPL) as published by the Free Software +; Foundation, in version 2 as it comes in the "COPYING" file of the +; VirtualBox OSE distribution. VirtualBox OSE is distributed in the +; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL) only, as it comes in the "COPYING.CDDL" file of the +; VirtualBox OSE distribution, in which case the provisions of the +; CDDL are applicable instead of those of the GPL. +; +; You may elect to license modified versions of this file under the +; terms and conditions of either the GPL or the CDDL or both. +; + + + +%include "iprt/asmdefs.mac" + + +%define NUM_LOOPS 10000h + +BEGINCODE + +BEGINPROC tstRTPRfARegisterAccess + push xBP + mov xBP, xSP + and xSP, ~3fh ; 64 byte align xSP + push xBP + mov xBP, xSP + sub xSP, 20h + + mov xAX, 1 + mov xDX, 1 + mov ecx, NUM_LOOPS +.again: + add eax, ecx + add xDX, xAX + shr xAX, 3 + shl xAX, 1 + xor xDX, 01010101h + + add eax, ecx + add xDX, xAX + shr xAX, 3 + shl xAX, 1 + xor xDX, 01010101h + + add eax, ecx + add xDX, xAX + shr xAX, 3 + shl xAX, 1 + xor xDX, 01010101h + + dec ecx + jnz .again + + leave + leave + ret +ENDPROC tstRTPRfARegisterAccess + + +BEGINPROC tstRTPRfAMemoryAccess + push xBP + mov xBP, xSP + and xSP, ~3fh ; 64 byte align xSP + push xBP + mov xBP, xSP + sub xSP, 20h + +%define VAR_XAX [xBP - xCB*1] +%define VAR_XDX [xBP - xCB*2] +%define VAR_ECX [xBP - xCB*3] + + mov RTCCPTR_PRE VAR_XAX, 1 + mov RTCCPTR_PRE VAR_XDX, 1 + mov dword VAR_ECX, NUM_LOOPS +.again: + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + dec dword VAR_ECX + jnz .again + +%undef VAR_XAX +%undef VAR_XDX +%undef VAR_ECX + + leave + leave + ret +ENDPROC tstRTPRfAMemoryAccess + + +BEGINPROC tstRTPRfAMemoryUnalignedAccess + push xBP + mov xBP, xSP + and xSP, ~3fh ; 64 byte align xSP + push xBP + mov xBP, xSP + sub xSP, 20h + +%define VAR_XAX [xBP - xCB*1 - 1] +%define VAR_XDX [xBP - xCB*2 - 1] +%define VAR_ECX [xBP - xCB*3 - 1] + + mov RTCCPTR_PRE VAR_XAX, 1 + mov RTCCPTR_PRE VAR_XDX, 1 + mov dword VAR_ECX, NUM_LOOPS +.again: + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + mov eax, VAR_ECX + add VAR_XAX, eax + mov xAX, VAR_XAX + add VAR_XDX, xAX + shr RTCCPTR_PRE VAR_XAX, 3 + shl RTCCPTR_PRE VAR_XAX, 1 + xor RTCCPTR_PRE VAR_XDX, 01010101h + + dec dword VAR_ECX + jnz .again + +%undef VAR_XAX +%undef VAR_XDX +%undef VAR_ECX + + leave + leave + ret +ENDPROC tstRTPRfAMemoryUnalignedAccess + |