cpustep.c

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/* 
** INTEL CONFIDENTIAL
** Copyright 2000-2003 Intel Corporation All Rights Reserved.
**
** The source code contained or described herein and all documents
** related to the source code (Material) are owned by Intel Corporation
** or its suppliers or licensors.  Title to the Material remains with
** Intel Corporation or its suppliers and licensors. The Material contains
** trade secrets and proprietary and confidential information of Intel
** or its suppliers and licensors. The Material is protected by worldwide
** copyright and trade secret laws and treaty provisions. No part of the
** Material may be used, copied, reproduced, modified, published, uploaded,
** posted, transmitted, distributed, or disclosed in any way without Intel抯
** prior express written permission.

** No license under any patent, copyright, trade secret or other intellectual
** property right is granted to or conferred upon you by disclosure or
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*/

#include <windef.h>
#include <windows.h>
#include <types.h>
#include "bvd1bd.h"
#include <DRV_GLOB.H>
#include "bvd1.h"

/* ************************************************************************* */
/*
GetProcessorStepping

   This function maps driver globals and returns the processor stepping 
   information contained within the UNINIT_MISC driver globals area

Parameters
   none

Return Value
   Unsigned integer containing the processor stepping information as defined
   by CP15
*/

extern PVOID VirtualAllocCopy(unsigned size,char *str,PVOID pVirtualAddress);

UINT GetProcessorStepping(void)
{

    volatile PDRIVER_GLOBALS v_pDriverGlobals;


    v_pDriverGlobals = (PDRIVER_GLOBALS)VirtualAllocCopy(sizeof(DRIVER_GLOBALS_PHYSICAL_MEMORY_SIZE),
                                                         "CPUStepDetection: v_pDriverGlobals",
                                                         (PVOID)(DRIVER_GLOBALS_PHYSICAL_MEMORY_START));

    return(v_pDriverGlobals->uninit_misc.CPUSteppingID); 
}