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