diff options
Diffstat (limited to 'UnixPkg/MiscSubClassPlatformDxe/MiscBiosVendorFunction.c')
| -rw-r--r-- | UnixPkg/MiscSubClassPlatformDxe/MiscBiosVendorFunction.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/UnixPkg/MiscSubClassPlatformDxe/MiscBiosVendorFunction.c b/UnixPkg/MiscSubClassPlatformDxe/MiscBiosVendorFunction.c new file mode 100644 index 0000000000..a5d123ad86 --- /dev/null +++ b/UnixPkg/MiscSubClassPlatformDxe/MiscBiosVendorFunction.c @@ -0,0 +1,210 @@ +/*++
+
+Copyright (c) 2009, Intel Corporation. All rights reserved. <BR>
+This software and associated documentation (if any) is furnished
+under a license and may only be used or copied in accordance
+with the terms of the license. Except as permitted by such
+license, no part of this software or documentation may be
+reproduced, stored in a retrieval system, or transmitted in any
+form or by any means without the express written consent of
+Intel Corporation.
+
+
+Module Name:
+
+ MiscBiosVendorFunction.c
+
+Abstract:
+
+ BIOS vendor information boot time changes.
+ Misc. subclass type 2.
+ SMBIOS type 0.
+
+--*/
+
+#include "MiscSubClassDriver.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;
+ CHAR16 *Version;
+ CHAR16 *ReleaseDate;
+ EFI_STATUS Status;
+ EFI_STRING Char16String;
+ STRING_REF TokenToGet;
+ STRING_REF TokenToUpdate;
+ SMBIOS_TABLE_TYPE0 *SmbiosRecord;
+ EFI_SMBIOS_HANDLE SmbiosHandle;
+ EFI_MISC_BIOS_VENDOR *ForType0InputData;
+
+ ForType0InputData = (EFI_MISC_BIOS_VENDOR *)RecordData;
+
+ //
+ // First check for invalid parameters.
+ //
+ if (RecordData == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Version = (CHAR16 *) PcdGetPtr (PcdFirmwareVersionString);
+ if (StrLen (Version) > 0) {
+ TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);
+ HiiSetString (mHiiHandle, TokenToUpdate, Version, NULL);
+ }
+
+ ReleaseDate = (CHAR16 *) PcdGetPtr (PcdFirmwareReleaseDateString);
+ if (StrLen(ReleaseDate) > 0) {
+ TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
+ HiiSetString (mHiiHandle, TokenToUpdate, ReleaseDate, NULL);
+ }
+
+ TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);
+ Char16String = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
+ VendorStrLen = StrLen(Char16String);
+ if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) {
+ return EFI_UNSUPPORTED;
+ }
+
+ TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);
+ Version = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
+ VerStrLen = StrLen(Version);
+ if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) {
+ return EFI_UNSUPPORTED;
+ }
+
+ TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);
+ ReleaseDate = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
+ DateStrLen = StrLen(ReleaseDate);
+ 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 = (UINT16)ForType0InputData->BiosStartingAddress;
+ //
+ // ReleaseDate will be the 3rd optional string following the formatted structure.
+ //
+ SmbiosRecord->BiosReleaseDate = 3;
+ //
+ // Nt32 has no PCD value to indicate BIOS Size, just fill 0 for simply.
+ //
+ SmbiosRecord->BiosSize = 0;
+ SmbiosRecord->BiosCharacteristics = *(MISC_BIOS_CHARACTERISTICS*)(&ForType0InputData->BiosCharacteristics1);
+ //
+ // CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size.
+ //
+ SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 4);
+ SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 5);
+
+ SmbiosRecord->SystemBiosMajorRelease = ForType0InputData->BiosMajorRelease;
+ SmbiosRecord->SystemBiosMinorRelease = ForType0InputData->BiosMinorRelease;
+ SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = ForType0InputData->BiosEmbeddedFirmwareMajorRelease;
+ SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = ForType0InputData->BiosEmbeddedFirmwareMinorRelease;
+
+ OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
+ UnicodeStrToAsciiStr(Char16String, OptionalStrStart);
+ UnicodeStrToAsciiStr(Version, OptionalStrStart + VendorStrLen + 1);
+ UnicodeStrToAsciiStr(ReleaseDate, OptionalStrStart + VendorStrLen + 1 + VerStrLen + 1);
+ //
+ // Now we have got the full smbios record, call smbios protocol to add this record.
+ //
+ SmbiosHandle = 0;
+ Status = Smbios-> Add(
+ Smbios,
+ NULL,
+ &SmbiosHandle,
+ (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
+ );
+
+ FreePool(SmbiosRecord);
+ return Status;
+}
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