Mwait.c revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
/** @file
AsmMwait function
Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
/**
Executes an MWAIT instruction.
Executes an MWAIT instruction with the register state specified by Eax and
Ecx. Returns Eax. This function is only available on IA-32 and x64.
@param RegisterEax The value to load into EAX or RAX before executing the MONITOR
instruction.
@param RegisterEcx The value to load into ECX or RCX before executing the MONITOR
instruction.
@return RegisterEax
**/
AsmMwait (
)
{
_asm {
_emit 0x01
_emit 0xC9
}
}