ioctl.c.svn-base

这是三星的2443的wince的bootloader

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this source code is subject to the terms of the Microsoft end-user
// license agreement (EULA) under which you licensed this SOFTWARE PRODUCT.
// If you did not accept the terms of the EULA, you are not authorized to use
// this source code. For a copy of the EULA, please see the LICENSE.RTF on your
// install media.
//
//------------------------------------------------------------------------------
//
//  File: ioctl.c           
//
//  This file implements the OEM's IO Control (IOCTL) functions and declares
//  global variables used by the IOCTL component.
//
#include <bsp.h>

//------------------------------------------------------------------------------
//
//  Global: g_oalIoctlPlatformType/OEM    
//
//  Platform Type/OEM
//
LPCWSTR g_oalIoCtlPlatformType = L"SMDK2443 Board";
LPCWSTR g_oalIoCtlPlatformOEM  = L"Samsung Electronics";

//------------------------------------------------------------------------------
//
//  Global: g_oalIoctlProcessorVendor/Name/Core
//
//  Processor information
//
LPCWSTR g_oalIoCtlProcessorVendor = L"Smasung Electronics";
LPCWSTR g_oalIoCtlProcessorName   = L"S3C2443";
LPCWSTR g_oalIoCtlProcessorCore   = L"ARM920T";

//------------------------------------------------------------------------------
//
//  Global: g_oalIoctlInstructionSet
//
//  Processor instruction set identifier
//
UINT32 g_oalIoCtlInstructionSet = 0; //IOCTL_PROCESSOR_INSTRUCTION_SET;
extern UINT32 g_oalIoCtlClockSpeed;// = 0;//IOCTL_PROCESSOR_CLOCK_SPEED;


BOOL OALIoCtlHalQueryDisplaySettings (UINT32 dwIoControlCode, VOID *lpInBuf, UINT32 nInBufSize, VOID *lpOutBuf, UINT32 nOutBufSize, UINT32* lpBytesReturned)
{
    DWORD dwErr = 0;

	RETAILMSG(0, (TEXT("In OALIoCtlHalQueryDisplaySettings^^^^^\r\n")));

    if (lpBytesReturned) {
        *lpBytesReturned = 0;
    }

    if (!lpOutBuf) {
        dwErr = ERROR_INVALID_PARAMETER;
    } else if (sizeof(DWORD)*3 > nOutBufSize) {
        dwErr = ERROR_INSUFFICIENT_BUFFER;
    } else {
        // Check the boot arg structure for the default display settings.
        __try {

            ((PDWORD)lpOutBuf)[0] = (DWORD)320;
            ((PDWORD)lpOutBuf)[1] = (DWORD)240;
            ((PDWORD)lpOutBuf)[2] = (DWORD)16;

            if (lpBytesReturned) {
                *lpBytesReturned = sizeof (DWORD) * 3;
            }

        } __except (EXCEPTION_EXECUTE_HANDLER) {
            dwErr = ERROR_INVALID_PARAMETER;
        }
    }

    if (dwErr) {
        NKSetLastError (dwErr);
    }

    return !dwErr;
}

//------------------------------------------------------------------------------
//
//  Global: g_oalIoCtlTable[]    
//
//  IOCTL handler table. This table includes the IOCTL code/handler pairs  
//  defined in the IOCTL configuration file. This global array is exported 
//  via oal_ioctl.h and is used by the OAL IOCTL component.
//
const OAL_IOCTL_HANDLER g_oalIoCtlTable[] = {
#include "ioctl_tab.h"
};

//------------------------------------------------------------------------------