mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
147 lines
3.5 KiB
C
147 lines
3.5 KiB
C
/** @file
|
|
This is an example of how a driver retrieve HII data using HII Package List
|
|
Protocol, and how to publish the HII data.
|
|
|
|
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Uefi.h>
|
|
#include <Guid/HiiResourceSampleHii.h>
|
|
#include <Protocol/HiiPackageList.h>
|
|
#include <Library/DevicePathLib.h>
|
|
#include <Library/UefiDriverEntryPoint.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiHiiServicesLib.h>
|
|
#include <Library/HiiLib.h>
|
|
|
|
#pragma pack(1)
|
|
///
|
|
/// HII specific Vendor Device Path definition.
|
|
///
|
|
typedef struct {
|
|
VENDOR_DEVICE_PATH VendorDevicePath;
|
|
EFI_DEVICE_PATH_PROTOCOL End;
|
|
} HII_VENDOR_DEVICE_PATH;
|
|
#pragma pack()
|
|
|
|
|
|
EFI_HII_HANDLE mHiiHandle = NULL;
|
|
EFI_HANDLE mDriverHandle = NULL;
|
|
|
|
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath = {
|
|
{
|
|
{
|
|
HARDWARE_DEVICE_PATH,
|
|
HW_VENDOR_DP,
|
|
{
|
|
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
|
|
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
|
|
}
|
|
},
|
|
HII_RESOURCE_SAMPLE_FORM_SET_GUID
|
|
},
|
|
{
|
|
END_DEVICE_PATH_TYPE,
|
|
END_ENTIRE_DEVICE_PATH_SUBTYPE,
|
|
{
|
|
(UINT8) (END_DEVICE_PATH_LENGTH),
|
|
(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
Main entry for this driver.
|
|
|
|
@param[in] ImageHandle Image handle this driver.
|
|
@param[in] SystemTable Pointer to SystemTable.
|
|
|
|
@retval EFI_SUCESS This function always complete successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HiiResourcesSampleInit (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_HII_PACKAGE_LIST_HEADER *PackageList;
|
|
|
|
//
|
|
// Retrieve HII package list from ImageHandle
|
|
//
|
|
Status = gBS->OpenProtocol (
|
|
ImageHandle,
|
|
&gEfiHiiPackageListProtocolGuid,
|
|
(VOID **) &PackageList,
|
|
ImageHandle,
|
|
NULL,
|
|
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Publish sample Fromset
|
|
//
|
|
Status = gBS->InstallProtocolInterface (
|
|
&mDriverHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
EFI_NATIVE_INTERFACE,
|
|
&mHiiVendorDevicePath
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// Publish HII package list to HII Database.
|
|
//
|
|
Status = gHiiDatabase->NewPackageList (
|
|
gHiiDatabase,
|
|
PackageList,
|
|
mDriverHandle,
|
|
&mHiiHandle
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
return Status;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Unloads the application and its installed protocol.
|
|
|
|
@param[in] ImageHandle Handle that identifies the image to be unloaded.
|
|
|
|
@retval EFI_SUCCESS The image has been unloaded.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
HiiResourcesSampleUnload (
|
|
IN EFI_HANDLE ImageHandle
|
|
)
|
|
{
|
|
if (mDriverHandle != NULL) {
|
|
gBS->UninstallProtocolInterface (
|
|
mDriverHandle,
|
|
&gEfiDevicePathProtocolGuid,
|
|
&mHiiVendorDevicePath
|
|
);
|
|
mDriverHandle = NULL;
|
|
}
|
|
|
|
if (mHiiHandle != NULL) {
|
|
HiiRemovePackages (mHiiHandle);
|
|
mHiiHandle = NULL;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|