VBoxPkg/VBoxSysTables/VBoxSysTables.c

4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* $Id$ */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VBoxSysTables.c - VirtualBox system tables
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (C) 2009-2010 Oracle Corporation
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * available from http://www.virtualbox.org. This file is free software;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * you can redistribute it and/or modify it under the terms of the GNU
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * General Public License (GPL) as published by the Free Software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The contents of this file may alternatively be used under the terms
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * of the Common Development and Distribution License Version 1.0
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VirtualBox OSE distribution, in which case the provisions of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CDDL are applicable instead of those of the GPL.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * You may elect to license modified versions of this file under the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * terms and conditions of either the GPL or the CDDL or both.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*******************************************************************************
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*   Header Files                                                               *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*******************************************************************************/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Library/BaseMemoryLib.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Library/DebugLib.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Library/UefiBootServicesTableLib.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Library/UefiLib.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Protocol/DevicePathToText.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <IndustryStandard/Acpi10.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <IndustryStandard/Acpi20.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <IndustryStandard/SmBios.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Guid/SmBios.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Guid/Acpi.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <Guid/Mps.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "VBoxPkg.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "DevEFI.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "iprt/asm.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*******************************************************************************
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*   Internal Functions                                                         *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*******************************************************************************/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS EFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncConvertSystemTable (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    IN     EFI_GUID        *TableGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    IN OUT VOID            **Table
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync                    );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define MPS_PTR           SIGNATURE_32('_','M','P','_')
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SMBIOS_PTR        SIGNATURE_32('_','S','M','_')
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define EBDA_BASE (0x9FC0 << 4)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncFindSMBIOSPtr (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN                           Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  // First Search 0x0f0000 - 0x0fffff for SMBIOS Ptr
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  for (Address = 0xf0000; Address < 0xfffff; Address += 0x10) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if (*(UINT32 *)(Address) == SMBIOS_PTR) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      return (VOID *)Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  return NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncFindMPSPtr (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  VOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN                           Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  UINTN                           Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  // First Search 0x0e0000 - 0x0fffff for MPS Ptr
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  for (Address = 0xe0000; Address < 0xfffff; Address += 0x10) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if (*(UINT32 *)(Address) == MPS_PTR) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      return (VOID *)Address;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  // Search EBDA
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  Address = EBDA_BASE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  for (Index = 0; Index < 0x400 ; Index += 16) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if (*(UINT32 *)(Address + Index) == MPS_PTR) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync      return (VOID *)(Address + Index);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync  return NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS EFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncConvertAndInstallTable(EFI_GUID* Guid, VOID* Ptr)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    EFI_STATUS  rc = EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    rc = ConvertSystemTable(Guid, &Ptr);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    ASSERT_EFI_ERROR (rc);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    rc = gBS->InstallConfigurationTable(Guid, Ptr);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    ASSERT_EFI_ERROR (rc);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    return rc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VBoxSysTablesDxe entry point.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * @returns EFI status code.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * @param   ImageHandle     The image handle.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * @param   SystemTable     The system table pointer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS EFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDxeInitializeVBoxSysTables(IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    EFI_STATUS  rc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    VOID*       Ptr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    DEBUG((DEBUG_INFO, "DxeInitializeVBoxSysTables\n"));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    Ptr = FindSMBIOSPtr();
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    DEBUG((DEBUG_INFO, "SMBIOS=%p\n", Ptr));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    ASSERT(Ptr != NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if (Ptr)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        rc = ConvertAndInstallTable(&gEfiSmbiosTableGuid, Ptr);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    Ptr = FindMPSPtr();
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    DEBUG((DEBUG_INFO, "MPS=%p\n", Ptr));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    // MPS can be null in non IO-APIC configs
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    if (Ptr)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync        rc = ConvertAndInstallTable(&gEfiMpsTableGuid, Ptr);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS EFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDxeUninitializeVBoxSysTables(IN EFI_HANDLE         ImageHandle)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync    return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}