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/** @file
Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
SmbiosGen.c
Abstract:
**/
#include "SmbiosGen.h"
extern UINT8 SmbiosGenDxeStrings[];
EFI_SMBIOS_PROTOCOL *gSmbios;
EFI_HII_HANDLE gStringHandle;
VOID *
GetSmbiosTablesFromHob (
VOID
)
{
EFI_PHYSICAL_ADDRESS *Table;
EFI_PEI_HOB_POINTERS GuidHob;
GuidHob.Raw = GetFirstGuidHob (&gEfiSmbiosTableGuid);
if (GuidHob.Raw != NULL) {
Table = GET_GUID_HOB_DATA (GuidHob.Guid);
if (Table != NULL) {
return (VOID *)(UINTN)*Table;
}
}
return NULL;
}
VOID
InstallProcessorSmbios (
IN VOID *Smbios
)
{
SMBIOS_STRUCTURE_POINTER SmbiosTable;
CHAR8 *AString;
CHAR16 *UString;
STRING_REF Token;
//
// Processor info (TYPE 4)
//
SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 4, 0);
if (SmbiosTable.Raw == NULL) {
DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 4 (Processor Info) not found!\n"));
return ;
}
//
// Log Smbios Record Type4
//
LogSmbiosData(gSmbios,(UINT8*)SmbiosTable.Type4);
//
// Set ProcessorVersion string
//
AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type4->ProcessorVersion);
UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16));
ASSERT (UString != NULL);
AsciiStrToUnicodeStr (AString, UString);
Token = HiiSetString (gStringHandle, 0, UString, NULL);
if (Token == 0) {
gBS->FreePool (UString);
return ;
}
gBS->FreePool (UString);
return ;
}
VOID
InstallCacheSmbios (
IN VOID *Smbios
)
{
return ;
}
VOID
InstallMemorySmbios (
IN VOID *Smbios
)
{
SMBIOS_STRUCTURE_POINTER SmbiosTable;
//
// Generate Memory Array Mapped Address info (TYPE 19)
//
SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 19, 0);
if (SmbiosTable.Raw == NULL) {
DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 19 (Memory Array Mapped Address Info) not found!\n"));
return ;
}
//
// Record Smbios Type 19
//
LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type19);
return ;
}
VOID
InstallMiscSmbios (
IN VOID *Smbios
)
{
SMBIOS_STRUCTURE_POINTER SmbiosTable;
CHAR8 *AString;
CHAR16 *UString;
STRING_REF Token;
//
// BIOS information (TYPE 0)
//
SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 0, 0);
if (SmbiosTable.Raw == NULL) {
DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 0 (BIOS Information) not found!\n"));
return ;
}
//
// Record Type 2
//
AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type0->BiosVersion);
UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16) + sizeof(FIRMWARE_BIOS_VERSIONE));
ASSERT (UString != NULL);
CopyMem (UString, FIRMWARE_BIOS_VERSIONE, sizeof(FIRMWARE_BIOS_VERSIONE));
AsciiStrToUnicodeStr (AString, UString + sizeof(FIRMWARE_BIOS_VERSIONE) / sizeof(CHAR16) - 1);
Token = HiiSetString (gStringHandle, 0, UString, NULL);
if (Token == 0) {
gBS->FreePool (UString);
return ;
}
gBS->FreePool (UString);
//
// Log Smios Type 0
//
LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type0);
//
// System information (TYPE 1)
//
SmbiosTable = GetSmbiosTableFromType ((SMBIOS_TABLE_ENTRY_POINT *)Smbios, 1, 0);
if (SmbiosTable.Raw == NULL) {
DEBUG ((EFI_D_ERROR, "SmbiosTable: Type 1 (System Information) not found!\n"));
return ;
}
//
// Record Type 3
//
AString = GetSmbiosString (SmbiosTable, SmbiosTable.Type1->ProductName);
UString = AllocateZeroPool ((AsciiStrLen(AString) + 1) * sizeof(CHAR16) + sizeof(FIRMWARE_PRODUCT_NAME));
ASSERT (UString != NULL);
CopyMem (UString, FIRMWARE_PRODUCT_NAME, sizeof(FIRMWARE_PRODUCT_NAME));
AsciiStrToUnicodeStr (AString, UString + sizeof(FIRMWARE_PRODUCT_NAME) / sizeof(CHAR16) - 1);
Token = HiiSetString (gStringHandle, 0, UString, NULL);
if (Token == 0) {
gBS->FreePool (UString);
return ;
}
gBS->FreePool (UString);
//
// Log Smbios Type 1
//
LogSmbiosData(gSmbios, (UINT8*)SmbiosTable.Type1);
return ;
}
EFI_STATUS
EFIAPI
SmbiosGenEntrypoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
VOID *Smbios;
Smbios = GetSmbiosTablesFromHob ();
if (Smbios == NULL) {
return EFI_NOT_FOUND;
}
Status = gBS->LocateProtocol (
&gEfiSmbiosProtocolGuid,
NULL,
(VOID**)&gSmbios
);
if (EFI_ERROR (Status)) {
return Status;
}
gStringHandle = HiiAddPackages (
&gEfiCallerIdGuid,
NULL,
SmbiosGenDxeStrings,
NULL
);
ASSERT (gStringHandle != NULL);
InstallProcessorSmbios (Smbios);
InstallCacheSmbios (Smbios);
InstallMemorySmbios (Smbios);
InstallMiscSmbios (Smbios);
return EFI_SUCCESS;
}
//
// Internal function
//
UINTN
SmbiosTableLength (
IN SMBIOS_STRUCTURE_POINTER SmbiosTable
)
{
CHAR8 *AChar;
UINTN Length;
AChar = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length);
while ((*AChar != 0) || (*(AChar + 1) != 0)) {
AChar ++;
}
Length = ((UINTN)AChar - (UINTN)SmbiosTable.Raw + 2);
return Length;
}
SMBIOS_STRUCTURE_POINTER
GetSmbiosTableFromType (
IN SMBIOS_TABLE_ENTRY_POINT *Smbios,
IN UINT8 Type,
IN UINTN Index
)
{
SMBIOS_STRUCTURE_POINTER SmbiosTable;
UINTN SmbiosTypeIndex;
SmbiosTypeIndex = 0;
SmbiosTable.Raw = (UINT8 *)(UINTN)Smbios->TableAddress;
if (SmbiosTable.Raw == NULL) {
return SmbiosTable;
}
while ((SmbiosTypeIndex != Index) || (SmbiosTable.Hdr->Type != Type)) {
if (SmbiosTable.Hdr->Type == 127) {
SmbiosTable.Raw = NULL;
return SmbiosTable;
}
if (SmbiosTable.Hdr->Type == Type) {
SmbiosTypeIndex ++;
}
SmbiosTable.Raw = (UINT8 *)(SmbiosTable.Raw + SmbiosTableLength (SmbiosTable));
}
return SmbiosTable;
}
CHAR8 *
GetSmbiosString (
IN SMBIOS_STRUCTURE_POINTER SmbiosTable,
IN SMBIOS_TABLE_STRING String
)
{
CHAR8 *AString;
UINT8 Index;
Index = 1;
AString = (CHAR8 *)(SmbiosTable.Raw + SmbiosTable.Hdr->Length);
while (Index != String) {
while (*AString != 0) {
AString ++;
}
AString ++;
if (*AString == 0) {
return AString;
}
Index ++;
}
return AString;
}
/**
Logs SMBIOS record.
@param Smbios Pointer to SMBIOS protocol instance.
@param Buffer Pointer to the data buffer.
**/
VOID
LogSmbiosData (
IN EFI_SMBIOS_PROTOCOL *Smbios,
IN UINT8 *Buffer
)
{
EFI_STATUS Status;
EFI_SMBIOS_HANDLE SmbiosHandle;
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
Status = Smbios->Add (
Smbios,
NULL,
&SmbiosHandle,
(EFI_SMBIOS_TABLE_HEADER*)Buffer
);
ASSERT_EFI_ERROR (Status);
}
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