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/** @file
Library functions that can be called in both PEI and DXE phase
@copyright
Copyright (c) 2004 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#ifndef _CPU_LIB_H_
#define _CPU_LIB_H_
#if 0
UINTN
CpuReadCr0 (
VOID
)
/**
@brief
Get CR0 value
@param[in] None
@retval CR0 value
**/
;
VOID
CpuWriteCr0 (
UINTN Value
)
/**
@brief
Write CR0 register
@param[in] Value - Value that will be written into CR0 register
**/
;
UINTN
CpuReadCr3 (
VOID
)
/**
@brief
Get CR3 register value
@param[in] None
@retval CR3 register value
**/
;
VOID
CpuWriteCr3 (
UINTN Value
)
/**
@brief
Write CR3 register
@param[in] Value - Value that will be written to CR3 register
**/
;
UINTN
CpuSetPower2 (
IN UINTN Input
)
/**
@brief
Calculate the power 2 value from the Input value
@param[in] Input - The number that will be calculated
@retval Power 2 value after calculated
**/
;
UINT64
CpuReadTsc (
VOID
)
/**
@brief
Read CPU TSC value
@param[in] None
@retval TSC value
**/
;
VOID
CpuBreak (
VOID
)
/**
@brief
Break by INT3
@param[in] None
**/
;
VOID
CpuInitSelectors (
VOID
)
/**
@brief
Initialize selectors by calling INT 68
@param[in] None
**/
;
#endif
UINT16
CpuCodeSegment (
VOID
)
/**
@brief
Return code segment address - CS
@param[in] None
@retval Code segment address
**/
;
VOID
CpuLoadGlobalDescriptorTable (
VOID *Table16ByteAligned
)
/**
@brief
Get current GDT descriptor
@param[in] Table16ByteAligned - the table buffer that will store current GDT table descriptor
**/
;
VOID
CpuLoadInterruptDescriptorTable (
VOID *Table16ByteAligned
)
/**
@brief
Get current IDT descriptor
@param[in] Table16ByteAligned - the table buffer that will store current GDT table descriptor
**/
;
#endif
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