mirror of https://github.com/acidanthera/audk.git
112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/** @file
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Onboard device information boot time changes.
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SMBIOS type 10.
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Copyright (c) 2013-2015 Intel Corporation.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "CommonHeader.h"
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#include "SmbiosMisc.h"
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/**
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This function makes boot time changes to the contents of the
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MiscOnboardDevice (Type 10).
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@param RecordData Pointer to copy of RecordData from the Data Table.
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@retval EFI_SUCCESS All parameters were valid.
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@retval EFI_UNSUPPORTED Unexpected RecordType value.
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@retval EFI_INVALID_PARAMETER Invalid parameter was found.
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**/
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MISC_SMBIOS_TABLE_FUNCTION(MiscOnboardDevice)
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{
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CHAR8 *OptionalStrStart;
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UINT8 StatusAndType;
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UINTN DescriptionStrLen;
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EFI_STRING DeviceDescription;
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STRING_REF TokenToGet;
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EFI_STATUS Status;
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EFI_SMBIOS_HANDLE SmbiosHandle;
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SMBIOS_TABLE_TYPE10 *SmbiosRecord;
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EFI_MISC_ONBOARD_DEVICE *ForType10InputData;
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ForType10InputData = (EFI_MISC_ONBOARD_DEVICE *)RecordData;
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//
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// First check for invalid parameters.
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//
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if (RecordData == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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TokenToGet = 0;
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switch (ForType10InputData->OnBoardDeviceDescription) {
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case STR_MISC_ONBOARD_DEVICE_VIDEO:
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TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_VIDEO);
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break;
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case STR_MISC_ONBOARD_DEVICE_AUDIO:
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TokenToGet = STRING_TOKEN (STR_MISC_ONBOARD_DEVICE_AUDIO);
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break;
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}
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DeviceDescription = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);
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DescriptionStrLen = StrLen(DeviceDescription);
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if (DescriptionStrLen > SMBIOS_STRING_MAX_LENGTH) {
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return EFI_UNSUPPORTED;
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}
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//
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// Two zeros following the last string.
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//
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SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
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ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE10) + DescriptionStrLen + 1 + 1);
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SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_ONBOARD_DEVICE_INFORMATION;
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SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE10);
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//
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// Make handle chosen by smbios protocol.add automatically.
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//
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SmbiosRecord->Hdr.Handle = 0;
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//
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// Status & Type: Bit 7 Devicen Status, Bits 6:0 Type of Device
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//
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StatusAndType = (UINT8) ForType10InputData->OnBoardDeviceStatus.DeviceType;
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if (ForType10InputData->OnBoardDeviceStatus.DeviceEnabled != 0) {
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StatusAndType |= 0x80;
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} else {
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StatusAndType &= 0x7F;
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}
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SmbiosRecord->Device[0].DeviceType = StatusAndType;
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SmbiosRecord->Device[0].DescriptionString = 1;
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OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);
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UnicodeStrToAsciiStr(DeviceDescription, OptionalStrStart);
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//
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// Now we have got the full smbios record, call smbios protocol to add this record.
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//
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SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
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Status = Smbios-> Add(
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Smbios,
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NULL,
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&SmbiosHandle,
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(EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord
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);
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FreePool(SmbiosRecord);
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return Status;
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}
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