/*++ | |
Copyright (c) 2013 Intel Corporation. | |
Redistribution and use in source and binary forms, with or without | |
modification, are permitted provided that the following conditions | |
are met: | |
* Redistributions of source code must retain the above copyright | |
notice, this list of conditions and the following disclaimer. | |
* Redistributions in binary form must reproduce the above copyright | |
notice, this list of conditions and the following disclaimer in | |
the documentation and/or other materials provided with the | |
distribution. | |
* Neither the name of Intel Corporation nor the names of its | |
contributors may be used to endorse or promote products derived | |
from this software without specific prior written permission. | |
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
Module Name: | |
MiscBiosVendorFunction.c | |
Abstract: | |
BIOS vendor information boot time changes. | |
Misc. subclass type 2. | |
SMBIOS type 0. | |
--*/ | |
#include "CommonHeader.h" | |
#include "SmbiosMisc.h" | |
/** | |
This function returns the value & exponent to Base2 for a given | |
Hex value. This is used to calculate the BiosPhysicalDeviceSize. | |
@param Value The hex value which is to be converted into value-exponent form | |
@param Exponent The exponent out of the conversion | |
@retval EFI_SUCCESS All parameters were valid and *Value & *Exponent have been set. | |
@retval EFI_INVALID_PARAMETER Invalid parameter was found. | |
**/ | |
EFI_STATUS | |
GetValueExponentBase2( | |
IN OUT UINTN *Value, | |
OUT UINTN *Exponent | |
) | |
{ | |
if ((Value == NULL) || (Exponent == NULL)) { | |
return EFI_INVALID_PARAMETER; | |
} | |
while ((*Value % 2) == 0) { | |
*Value=*Value/2; | |
(*Exponent)++; | |
} | |
return EFI_SUCCESS; | |
} | |
/** | |
Field Filling Function. Transform an EFI_EXP_BASE2_DATA to a byte, with '64k' | |
as the unit. | |
@param Base2Data Pointer to Base2_Data | |
@retval EFI_SUCCESS Transform successfully. | |
@retval EFI_INVALID_PARAMETER Invalid parameter was found. | |
**/ | |
UINT16 | |
Base2ToByteWith64KUnit ( | |
IN EFI_EXP_BASE2_DATA *Base2Data | |
) | |
{ | |
UINT16 Value; | |
UINT16 Exponent; | |
Value = Base2Data->Value; | |
Exponent = Base2Data->Exponent; | |
Exponent -= 16; | |
Value <<= Exponent; | |
return Value; | |
} | |
/** | |
This function makes boot time changes to the contents of the | |
MiscBiosVendor (Type 0). | |
@param RecordData Pointer to copy of RecordData from the Data Table. | |
@retval EFI_SUCCESS All parameters were valid. | |
@retval EFI_UNSUPPORTED Unexpected RecordType value. | |
@retval EFI_INVALID_PARAMETER Invalid parameter was found. | |
**/ | |
MISC_SMBIOS_TABLE_FUNCTION(MiscBiosVendor) | |
{ | |
CHAR8 *OptionalStrStart; | |
UINTN VendorStrLen; | |
UINTN VerStrLen; | |
UINTN DateStrLen; | |
UINTN BiosPhysicalSizeHexValue; | |
UINTN BiosPhysicalSizeExponent; | |
CHAR16 Version[SMBIOS_STRING_MAX_LENGTH]; | |
CHAR16 Vendor[SMBIOS_STRING_MAX_LENGTH]; | |
CHAR16 ReleaseDate[SMBIOS_STRING_MAX_LENGTH]; | |
EFI_STRING VersionPtr; | |
EFI_STRING VendorPtr; | |
EFI_STRING ReleaseDatePtr; | |
EFI_STATUS Status; | |
STRING_REF TokenToGet; | |
STRING_REF TokenToUpdate; | |
SMBIOS_TABLE_TYPE0 *SmbiosRecord; | |
EFI_SMBIOS_HANDLE SmbiosHandle; | |
EFI_MISC_BIOS_VENDOR *ForType0InputData; | |
EFI_PLATFORM_TYPE_PROTOCOL *PlatformType; | |
BiosPhysicalSizeHexValue = 0x0; | |
BiosPhysicalSizeExponent = 0x0; | |
ForType0InputData = (EFI_MISC_BIOS_VENDOR *)RecordData; | |
// | |
// First check for invalid parameters. | |
// | |
if (RecordData == NULL) { | |
return EFI_INVALID_PARAMETER; | |
} | |
// | |
// Now update the BiosPhysicalSize | |
// | |
BiosPhysicalSizeHexValue = PcdGet32 (PcdFlashAreaSize); | |
Status= GetValueExponentBase2 ( | |
&BiosPhysicalSizeHexValue, | |
&BiosPhysicalSizeExponent | |
); | |
if(Status == EFI_SUCCESS){ | |
ForType0InputData->BiosPhysicalDeviceSize.Value = (UINT16)BiosPhysicalSizeHexValue; | |
ForType0InputData->BiosPhysicalDeviceSize.Exponent = (UINT16)BiosPhysicalSizeExponent; | |
} | |
// | |
// Update strings from PCD | |
// | |
AsciiStrToUnicodeStr (PcdGetPtr (PcdSMBIOSBiosVendor), Vendor); | |
if (StrLen (Vendor) > 0) { | |
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VENDOR); | |
HiiSetString (mHiiHandle, TokenToUpdate, Vendor, NULL); | |
} | |
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR); | |
VendorPtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL); | |
VendorStrLen = StrLen(VendorPtr); | |
if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) { | |
return EFI_UNSUPPORTED; | |
} | |
Status = gBS->LocateProtocol (&gEfiPlatformTypeProtocolGuid, NULL, (VOID **) &PlatformType); | |
ASSERT_EFI_ERROR (Status); | |
UnicodeSPrint (Version, sizeof (Version), L"0x%08x", PlatformType->FirmwareVersion); | |
if (StrLen (Version) > 0) { | |
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION); | |
HiiSetString (mHiiHandle, TokenToUpdate, Version, NULL); | |
} | |
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION); | |
VersionPtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL); | |
VerStrLen = StrLen(VersionPtr); | |
if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) { | |
return EFI_UNSUPPORTED; | |
} | |
AsciiStrToUnicodeStr (PcdGetPtr (PcdSMBIOSBiosReleaseDate), ReleaseDate); | |
if (StrLen (ReleaseDate) > 0) { | |
TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE); | |
HiiSetString (mHiiHandle, TokenToUpdate, ReleaseDate, NULL); | |
} | |
TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE); | |
ReleaseDatePtr = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL); | |
DateStrLen = StrLen(ReleaseDatePtr); | |
if (DateStrLen > SMBIOS_STRING_MAX_LENGTH) { | |
return EFI_UNSUPPORTED; | |
} | |
// | |
// Two zeros following the last string. | |
// | |
SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1); | |
ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1); | |
SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_INFORMATION; | |
SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE0); | |
// | |
// Make handle chosen by smbios protocol.add automatically. | |
// | |
SmbiosRecord->Hdr.Handle = 0; | |
// | |
// Vendor will be the 1st optional string following the formatted structure. | |
// | |
SmbiosRecord->Vendor = 1; | |
// | |
// Version will be the 2nd optional string following the formatted structure. | |
// | |
SmbiosRecord->BiosVersion = 2; | |
SmbiosRecord->BiosSegment = PcdGet16 (PcdSMBIOSBiosStartAddress); | |
// | |
// ReleaseDate will be the 3rd optional string following the formatted structure. | |
// | |
SmbiosRecord->BiosReleaseDate = 3; | |
SmbiosRecord->BiosSize = (UINT8)(Base2ToByteWith64KUnit(&ForType0InputData->BiosPhysicalDeviceSize) - 1); | |
*(UINT64 *)&SmbiosRecord->BiosCharacteristics = PcdGet64 (PcdSMBIOSBiosChar); | |
// | |
// CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size. | |
// | |
SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = PcdGet8 (PcdSMBIOSBiosCharEx1); | |
SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = PcdGet8 (PcdSMBIOSBiosCharEx2); | |
SmbiosRecord->SystemBiosMajorRelease = ForType0InputData->BiosMajorRelease; | |
SmbiosRecord->SystemBiosMinorRelease = ForType0InputData->BiosMinorRelease; | |
SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = ForType0InputData->BiosEmbeddedFirmwareMajorRelease; | |
SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = ForType0InputData->BiosEmbeddedFirmwareMinorRelease; | |
OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1); | |
UnicodeStrToAsciiStr(VendorPtr, OptionalStrStart); | |
UnicodeStrToAsciiStr(VersionPtr, OptionalStrStart + VendorStrLen + 1); | |
UnicodeStrToAsciiStr(ReleaseDatePtr, OptionalStrStart + VendorStrLen + 1 + VerStrLen + 1); | |
// | |
// Now we have got the full smbios record, call smbios protocol to add this record. | |
// | |
SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED; | |
Status = Smbios-> Add( | |
Smbios, | |
NULL, | |
&SmbiosHandle, | |
(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord | |
); | |
FreePool(SmbiosRecord); | |
return Status; | |
} |