ioctl.c

Lido PXA270平台开发板的最新BSP,包括源代码

//
// 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 = IOCTL_PLATFORM_TYPE;
LPCWSTR g_oalIoCtlPlatformOEM  = IOCTL_PLATFORM_OEM;

//------------------------------------------------------------------------------
//
//  Global: g_oalIoctlProcessorVendor/Name/Core
//
//  Processor information
//
LPCWSTR g_oalIoCtlProcessorVendor = IOCTL_PROCESSOR_VENDOR;
LPCWSTR g_oalIoCtlProcessorName   = IOCTL_PROCESSOR_NAME;
LPCWSTR g_oalIoCtlProcessorCore   = IOCTL_PROCESSOR_CORE;

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

//------------------------------------------------------------------------------
//
//  External: ARMCacheInfo
//
//  Processor cache information structure
//
extern const CacheInfo ARMCacheInfo;

//------------------------------------------------------------------------------
//
//  Function:  OALIoCtlHalGetCacheInfo
//
//  This function returns information about the CPU's instruction and data caches.
//
BOOL OALIoCtlHalGetCacheInfo(
    UINT32 code, VOID *pInpBuffer, UINT32 inpSize, VOID *pOutBuffer,
    UINT32 outSize, UINT32 *pOutSize)
{

    // Validate caller's arguments.
    //
    if (!pOutBuffer || (outSize < sizeof(CacheInfo)))
    {
        NKSetLastError(ERROR_INSUFFICIENT_BUFFER);
        return(FALSE);
    }

    // Copy the cache information into the caller's buffer.
    //
    memcpy(pOutBuffer, &ARMCacheInfo, sizeof(CacheInfo));
    if (pOutSize) *pOutSize = sizeof(CacheInfo);

    return(TRUE);
}

//------------------------------------------------------------------------------
//
//  Function:  OALIoCtlHalPostInit
//
//  This function is the next OAL routine called by the kernel after OEMInit and
//  provides a context for initializing other aspects of the device prior to
//  general boot.
//
BOOL OALIoCtlHalPostInit(
    UINT32 code, VOID *pInpBuffer, UINT32 inpSize, VOID *pOutBuffer,
    UINT32 outSize, UINT32 *pOutSize)
{
    
    // Do nothing for now.
    //
    return(TRUE);

}

//------------------------------------------------------------------------------
//
//  Function:  OALIoCtlHalReboot
//
//  This function hardware-reboots the XSBASE270_G platform.
//
BOOL OALIoCtlHalReboot(
    UINT32 code, VOID *pInpBuffer, UINT32 inpSize, VOID *pOutBuffer,
    UINT32 outSize, UINT32 *pOutSize)
{

    return(TRUE);

}

//------------------------------------------------------------------------------
//
//  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"
};

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