OpenCorePkg/Library/OcMiscLib/SetPlatformData.c

125 lines
3.3 KiB
C
Executable File

/** @file
Copyright (C) 2016, The HermitCrabs Lab. All rights reserved.
All rights reserved.
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 <Uefi.h>
#include <IndustryStandard/Pci.h>
#include <Guid/ApplePlatformInfo.h>
#include <Protocol/DataHub.h>
#include <Protocol/LegacyRegion.h>
#include <Protocol/PciIo.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/OcMiscLib.h>
#include <Library/OcStringLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Macros.h>
// SetPlatformData
/**
@param[in] DataRecordGuid The guid of the record to use.
@param[in] Key A pointer to the ascii key string.
@param[in] Data A pointer to the data to store.
@param[in] DataSize The length of the data to store.
@retval EFI_SUCCESS The datahub was updated successfully.
**/
EFI_STATUS
SetPlatformData (
IN EFI_GUID *DataRecordGuid,
IN CHAR8 *Key,
IN VOID *Data,
IN UINT32 DataSize
)
{
EFI_STATUS Status;
EFI_DATA_HUB_PROTOCOL *DataHub;
PLATFORM_DATA_HEADER *Entry;
CHAR8 *DataString;
UINT32 KeySize;
// Locate DataHub
DataHub = NULL;
Status = gBS->LocateProtocol (
&gEfiDataHubProtocolGuid,
NULL,
(VOID **)&DataHub
);
if (!EFI_ERROR (Status)) {
KeySize = (UINT32)(AsciiStrSize (Key) * (sizeof (CHAR16)));
Entry = AllocateZeroPool (DataSize + sizeof (*Entry) + KeySize);
Status = EFI_OUT_OF_RESOURCES;
if (Entry) {
Entry->KeySize = KeySize;
Entry->DataSize = DataSize;
DataString = NULL;
OcAsciiStrToUnicode (Key, (CHAR16 *)(((UINTN)Entry) + sizeof (*Entry)), 0);
CopyMem ((VOID *)(((UINTN)Entry) + sizeof (*Entry) + Entry->KeySize), Data, (UINTN)Entry->DataSize);
Status = DataHub->LogData (
DataHub,
DataRecordGuid,
&gApplePlatformProducerNameGuid,
EFI_DATA_RECORD_CLASS_DATA,
Entry,
(sizeof (*Entry) + Entry->KeySize + Entry->DataSize)
);
if (DataSize < 32) {
DataString = ConvertDataToString (Data, DataSize);
}
if (DataString != NULL) {
DEBUG ((
DEBUG_INFO,
"Setting DataHub %g:%a = %a (%d)\n",
&gApplePlatformProducerNameGuid,
Key,
DataString,
DataSize
));
FreePool ((VOID *)DataString);
} else {
DEBUG ((
DEBUG_INFO,
"Setting DataHub %g:%a (%d)\n",
&gApplePlatformProducerNameGuid,
Key,
DataSize
));
}
FreePool ((VOID *)Entry);
}
}
return Status;
}