mirror of https://github.com/acidanthera/audk.git
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/** @file
|
|
Lib fucntions for SMBIOS. Used to get system serial number and GUID
|
|
|
|
Copyright (c) 2005 - 2010, 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.
|
|
|
|
**/
|
|
|
|
#include "../UefiShellDebug1CommandsLib.h"
|
|
#include <Guid/Smbios.h>
|
|
#include "LibSmbios.h"
|
|
|
|
/**
|
|
Return SMBIOS string given the string number.
|
|
|
|
@param[in] Smbios Pointer to SMBIOS structure.
|
|
@param[in] StringNumber String number to return. -1 is used to skip all strings and
|
|
point to the next SMBIOS structure.
|
|
|
|
@return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1
|
|
**/
|
|
CHAR8*
|
|
LibGetSmbiosString (
|
|
IN SMBIOS_STRUCTURE_POINTER *Smbios,
|
|
IN UINT16 StringNumber
|
|
)
|
|
{
|
|
UINT16 Index;
|
|
CHAR8 *String;
|
|
|
|
ASSERT (Smbios != NULL);
|
|
|
|
//
|
|
// Skip over formatted section
|
|
//
|
|
String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);
|
|
|
|
//
|
|
// Look through unformated section
|
|
//
|
|
for (Index = 1; Index <= StringNumber; Index++) {
|
|
if (StringNumber == Index) {
|
|
return String;
|
|
}
|
|
//
|
|
// Skip string
|
|
//
|
|
for (; *String != 0; String++);
|
|
String++;
|
|
|
|
if (*String == 0) {
|
|
//
|
|
// If double NULL then we are done.
|
|
// Retrun pointer to next structure in Smbios.
|
|
// if you pass in a -1 you will always get here
|
|
//
|
|
Smbios->Raw = (UINT8 *)++String;
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|