diff options
Diffstat (limited to 'MdePkg/Library/UefiHiiLib/HiiLib.c')
-rw-r--r-- | MdePkg/Library/UefiHiiLib/HiiLib.c | 698 |
1 files changed, 698 insertions, 0 deletions
diff --git a/MdePkg/Library/UefiHiiLib/HiiLib.c b/MdePkg/Library/UefiHiiLib/HiiLib.c new file mode 100644 index 0000000000..975a064a39 --- /dev/null +++ b/MdePkg/Library/UefiHiiLib/HiiLib.c @@ -0,0 +1,698 @@ +/** @file
+ HII Library implementation that uses DXE protocols and services.
+
+ Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ 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 "InternalHiiLib.h"
+
+CONST EFI_HII_DATABASE_PROTOCOL *mHiiDatabaseProt = NULL;
+CONST EFI_HII_STRING_PROTOCOL *mHiiStringProt = NULL;
+
+/**
+ This function locate Hii relative protocols for later usage.
+
+ The constructor function caches the protocol pointer of HII Database Protocol
+ and Hii String Protocol.
+
+ It will ASSERT() if either of the protocol can't be located.
+
+ @param ImageHandle The firmware allocated handle for the EFI image.
+ @param SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
+
+**/
+EFI_STATUS
+EFIAPI
+HiiLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &mHiiDatabaseProt);
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &mHiiStringProt);
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+
+
+/**
+ This funciton build the package list based on the package number,
+ the GUID of the package list and the list of pointer which point to
+ package header that defined by UEFI VFR compiler and StringGather
+ tool.
+
+ #pragma pack (push, 1)
+ typedef struct {
+ UINT32 BinaryLength;
+ EFI_HII_PACKAGE_HEADER PackageHeader;
+ } EDKII_AUTOGEN_PACKAGES_HEADER;
+ #pragma pack (pop)
+
+ If there is not enough resource for the new package list,
+ the function will ASSERT.
+
+ @param NumberOfPackages The number of packages be
+ @param GuidId The GUID for the package list to be generated.
+ @param Marker The variable argument list. Each entry represent a specific package header that is
+ generated by VFR compiler and StrGather tool. The first 4 bytes is a UINT32 value
+ that indicate the overall length of the package.
+
+ @return The pointer to the package list header.
+
+**/
+EFI_HII_PACKAGE_LIST_HEADER *
+InternalHiiLibPreparePackages (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId,
+ IN VA_LIST Marker
+ )
+{
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ UINT8 *PackageListData;
+ UINT32 PackageListLength;
+ UINT32 PackageLength;
+ EFI_HII_PACKAGE_HEADER PackageHeader;
+ UINT8 *PackageArray;
+ UINTN Index;
+ VA_LIST MarkerBackup;
+
+ PackageListLength = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+
+ MarkerBackup = Marker;
+
+ //
+ // Count the lenth of the final package list.
+ //
+ for (Index = 0; Index < NumberOfPackages; Index++) {
+ CopyMem (&PackageLength, VA_ARG (Marker, VOID *), sizeof (UINT32));
+ //
+ // Do not count the BinaryLength field.
+ //
+ PackageListLength += (PackageLength - sizeof (UINT32));
+ }
+
+ //
+ // Include the lenght of EFI_HII_PACKAGE_END
+ //
+ PackageListLength += sizeof (EFI_HII_PACKAGE_HEADER);
+ PackageListHeader = AllocateZeroPool (PackageListLength);
+ ASSERT (PackageListHeader != NULL);
+
+ CopyGuid (&PackageListHeader->PackageListGuid, GuidId);
+ PackageListHeader->PackageLength = PackageListLength;
+
+ PackageListData = ((UINT8 *) PackageListHeader) + sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+
+ Marker = MarkerBackup;
+ //
+ // Prepare the final package list.
+ //
+ for (Index = 0; Index < NumberOfPackages; Index++) {
+ PackageArray = (UINT8 *) VA_ARG (Marker, VOID *);
+ //
+ // CopyMem is used for UINT32 to cover the unaligned address access.
+ //
+ CopyMem (&PackageLength, PackageArray, sizeof (UINT32));
+ PackageLength -= sizeof (UINT32);
+ PackageArray += sizeof (UINT32);
+ CopyMem (PackageListData, PackageArray, PackageLength);
+ PackageListData += PackageLength;
+ }
+
+ //
+ // Append EFI_HII_PACKAGE_END
+ //
+ PackageHeader.Type = EFI_HII_PACKAGE_END;
+ PackageHeader.Length = sizeof (EFI_HII_PACKAGE_HEADER);
+ CopyMem (PackageListData, &PackageHeader, PackageHeader.Length);
+
+ return PackageListHeader;
+}
+
+/**
+ Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.
+
+ If GuidId is NULL, then ASSERT.
+ If not enough resource to complete the operation, then ASSERT.
+
+ @param NumberOfPackages Number of packages.
+ @param GuidId Package GUID.
+ @param ... Variable argument list for packages to be assembled.
+
+ @return Pointer of EFI_HII_PACKAGE_LIST_HEADER.
+
+**/
+EFI_HII_PACKAGE_LIST_HEADER *
+EFIAPI
+HiiLibPreparePackageList (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId,
+ ...
+ )
+{
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ VA_LIST Marker;
+
+ ASSERT (GuidId != NULL);
+
+ VA_START (Marker, GuidId);
+ PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Marker);
+ VA_END (Marker);
+
+ return PackageListHeader;
+}
+
+
+/**
+ This function allocates pool for an EFI_HII_PACKAGE_LIST structure
+ with additional space that is big enough to host all packages described by the variable
+ argument list of package pointers. The allocated structure is initialized using NumberOfPackages,
+ GuidId, and the variable length argument list of package pointers.
+
+ Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The
+ Handle to the newly registered Package List is returned throught HiiHandle.
+
+ If HiiHandle is NULL, then ASSERT.
+
+ @param NumberOfPackages The number of HII packages to register.
+ @param GuidId Package List GUID ID.
+ @param DriverHandle Optional. If not NULL, the DriverHandle on which an instance of DEVICE_PATH_PROTOCOL is installed.
+ This DriverHandle uniquely defines the device that the added packages are associated with.
+ @param HiiHandle On output, the HiiHandle is update with the handle which can be used to retrieve the Package
+ List later. If the functions failed to add the package to the default HII database, this value will
+ be set to NULL.
+ @param ... The variable argument list describing all HII Package.
+
+ @return EFI_SUCCESS If the packages are successfully added to the default HII database.
+ @return EFI_OUT_OF_RESOURCE Not enough resource to complete the operation.
+
+**/
+EFI_STATUS
+EFIAPI
+HiiLibAddPackages (
+ IN UINTN NumberOfPackages,
+ IN CONST EFI_GUID *GuidId,
+ IN EFI_HANDLE DriverHandle, OPTIONAL
+ OUT EFI_HII_HANDLE *HiiHandle,
+ ...
+ )
+{
+ VA_LIST Args;
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
+ EFI_STATUS Status;
+
+ ASSERT (HiiHandle != NULL);
+
+ VA_START (Args, HiiHandle);
+ PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Args);
+
+ Status = mHiiDatabaseProt->NewPackageList (mHiiDatabaseProt, PackageListHeader, DriverHandle, HiiHandle);
+ if (HiiHandle != NULL) {
+ if (EFI_ERROR (Status)) {
+ *HiiHandle = NULL;
+ }
+ }
+
+ FreePool (PackageListHeader);
+ VA_END (Args);
+
+ return Status;
+}
+
+/**
+ Removes a package list from the default HII database.
+
+ If HiiHandle is NULL, then ASSERT.
+ If HiiHandle is not a valid EFI_HII_HANDLE in the default HII database, then ASSERT.
+
+ @param HiiHandle The handle that was previously registered to the data base that is requested for removal.
+ List later.
+
+**/
+VOID
+EFIAPI
+HiiLibRemovePackages (
+ IN EFI_HII_HANDLE HiiHandle
+ )
+{
+ EFI_STATUS Status;
+ ASSERT (IsHiiHandleRegistered (HiiHandle));
+
+ Status = mHiiDatabaseProt->RemovePackageList (mHiiDatabaseProt, HiiHandle);
+ ASSERT_EFI_ERROR (Status);
+}
+
+
+/**
+ Determines the handles that are currently active in the database.
+ It's the caller's responsibility to free handle buffer.
+
+ If HandleBufferLength is NULL, then ASSERT.
+ If HiiHandleBuffer is NULL, then ASSERT.
+
+ @param HandleBufferLength On input, a pointer to the length of the handle
+ buffer. On output, the length of the handle buffer
+ that is required for the handles found.
+ @param HiiHandleBuffer Pointer to an array of Hii Handles returned.
+
+ @retval EFI_SUCCESS Get an array of Hii Handles successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+HiiLibGetHiiHandles (
+ IN OUT UINTN *HandleBufferLength,
+ OUT EFI_HII_HANDLE **HiiHandleBuffer
+ )
+{
+ UINTN BufferLength;
+ EFI_STATUS Status;
+
+ ASSERT (HandleBufferLength != NULL);
+ ASSERT (HiiHandleBuffer != NULL);
+
+ BufferLength = 0;
+
+ //
+ // Try to find the actual buffer size for HiiHandle Buffer.
+ //
+ Status = mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ EFI_HII_PACKAGE_TYPE_ALL,
+ NULL,
+ &BufferLength,
+ *HiiHandleBuffer
+ );
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ *HiiHandleBuffer = AllocateZeroPool (BufferLength);
+ ASSERT (*HiiHandleBuffer != NULL);
+ Status = mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ EFI_HII_PACKAGE_TYPE_ALL,
+ NULL,
+ &BufferLength,
+ *HiiHandleBuffer
+ );
+ //
+ // we should not fail here.
+ //
+ ASSERT_EFI_ERROR (Status);
+ }
+
+ *HandleBufferLength = BufferLength;
+
+ return Status;
+}
+
+/**
+ Extract Hii package list GUID for given HII handle.
+
+ If HiiHandle could not be found in the default HII database, then ASSERT.
+ If Guid is NULL, then ASSERT.
+
+ @param Handle Hii handle
+ @param Guid Package list GUID
+
+ @retval EFI_SUCCESS Successfully extract GUID from Hii database.
+
+**/
+EFI_STATUS
+EFIAPI
+HiiLibExtractGuidFromHiiHandle (
+ IN EFI_HII_HANDLE Handle,
+ OUT EFI_GUID *Guid
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
+
+ ASSERT (Guid != NULL);
+ ASSERT (IsHiiHandleRegistered (Handle));
+
+ //
+ // Get HII PackageList
+ //
+ BufferSize = 0;
+ HiiPackageList = NULL;
+
+ Status = mHiiDatabaseProt->ExportPackageLists (mHiiDatabaseProt, Handle, &BufferSize, HiiPackageList);
+ ASSERT (Status != EFI_NOT_FOUND);
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ HiiPackageList = AllocatePool (BufferSize);
+ ASSERT (HiiPackageList != NULL);
+
+ Status = mHiiDatabaseProt->ExportPackageLists (mHiiDatabaseProt, Handle, &BufferSize, HiiPackageList);
+ }
+ if (EFI_ERROR (Status)) {
+ FreePool (HiiPackageList);
+ return Status;
+ }
+
+ //
+ // Extract GUID
+ //
+ CopyGuid (Guid, &HiiPackageList->PackageListGuid);
+
+ FreePool (HiiPackageList);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Find HII Handle in the default HII database associated with given Device Path.
+
+ If DevicePath is NULL, then ASSERT.
+
+ @param DevicePath Device Path associated with the HII package list
+ handle.
+
+ @retval Handle HII package list Handle associated with the Device
+ Path.
+ @retval NULL Hii Package list handle is not found.
+
+**/
+EFI_HII_HANDLE
+EFIAPI
+HiiLibDevicePathToHiiHandle (
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *TmpDevicePath;
+ UINTN BufferSize;
+ UINTN HandleCount;
+ UINTN Index;
+ EFI_HANDLE *Handles;
+ EFI_HANDLE Handle;
+ UINTN Size;
+ EFI_HANDLE DriverHandle;
+ EFI_HII_HANDLE *HiiHandles;
+ EFI_HII_HANDLE HiiHandle;
+
+ ASSERT (DevicePath != NULL);
+
+ //
+ // Locate Device Path Protocol handle buffer
+ //
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiDevicePathProtocolGuid,
+ NULL,
+ &HandleCount,
+ &Handles
+ );
+ if (EFI_ERROR (Status)) {
+ return NULL;
+ }
+
+ //
+ // Search Driver Handle by Device Path
+ //
+ DriverHandle = NULL;
+ BufferSize = GetDevicePathSize (DevicePath);
+ for(Index = 0; Index < HandleCount; Index++) {
+ Handle = Handles[Index];
+ gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **) &TmpDevicePath);
+
+ //
+ // Check whether DevicePath match
+ //
+ Size = GetDevicePathSize (TmpDevicePath);
+ if ((Size == BufferSize) && CompareMem (DevicePath, TmpDevicePath, Size) == 0) {
+ DriverHandle = Handle;
+ break;
+ }
+ }
+ FreePool (Handles);
+
+ if (DriverHandle == NULL) {
+ return NULL;
+ }
+
+ //
+ // Retrieve all Hii Handles from HII database
+ //
+ BufferSize = 0x1000;
+ HiiHandles = AllocatePool (BufferSize);
+ ASSERT (HiiHandles != NULL);
+ Status = mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ EFI_HII_PACKAGE_TYPE_ALL,
+ NULL,
+ &BufferSize,
+ HiiHandles
+ );
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ FreePool (HiiHandles);
+ HiiHandles = AllocatePool (BufferSize);
+ ASSERT (HiiHandles != NULL);
+
+ Status = mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ EFI_HII_PACKAGE_TYPE_ALL,
+ NULL,
+ &BufferSize,
+ HiiHandles
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ FreePool (HiiHandles);
+ return NULL;
+ }
+
+ //
+ // Search Hii Handle by Driver Handle
+ //
+ HiiHandle = NULL;
+ HandleCount = BufferSize / sizeof (EFI_HII_HANDLE);
+ for (Index = 0; Index < HandleCount; Index++) {
+ Status = mHiiDatabaseProt->GetPackageListHandle (
+ mHiiDatabaseProt,
+ HiiHandles[Index],
+ &Handle
+ );
+ if (!EFI_ERROR (Status) && (Handle == DriverHandle)) {
+ HiiHandle = HiiHandles[Index];
+ break;
+ }
+ }
+
+ FreePool (HiiHandles);
+ return HiiHandle;
+}
+
+/**
+ Exports the contents of one or all package lists in the HII database into a buffer.
+
+ If Handle is not NULL and not a valid EFI_HII_HANDLE registered in the database,
+ then ASSERT.
+ If PackageListHeader is NULL, then ASSERT.
+ If PackageListSize is NULL, then ASSERT.
+
+ @param Handle The HII Handle.
+ @param PackageListHeader A pointer to a buffer that will contain the results of
+ the export function.
+ @param PackageListSize On output, the length of the buffer that is required for the exported data.
+
+ @retval EFI_SUCCESS Package exported.
+
+ @retval EFI_OUT_OF_RESOURCES Not enought memory to complete the operations.
+
+**/
+EFI_STATUS
+EFIAPI
+HiiLibExportPackageLists (
+ IN EFI_HII_HANDLE Handle,
+ OUT EFI_HII_PACKAGE_LIST_HEADER **PackageListHeader,
+ OUT UINTN *PackageListSize
+ )
+{
+ EFI_STATUS Status;
+ UINTN Size;
+ EFI_HII_PACKAGE_LIST_HEADER *PackageListHdr;
+
+ ASSERT (PackageListSize != NULL);
+ ASSERT (PackageListHeader != NULL);
+
+ if (Handle != NULL) {
+ ASSERT (IsHiiHandleRegistered (Handle));
+ }
+
+ Size = 0;
+ PackageListHdr = NULL;
+ Status = mHiiDatabaseProt->ExportPackageLists (
+ mHiiDatabaseProt,
+ Handle,
+ &Size,
+ PackageListHdr
+ );
+ ASSERT_EFI_ERROR (Status != EFI_BUFFER_TOO_SMALL);
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ PackageListHdr = AllocateZeroPool (Size);
+
+ if (PackageListHeader == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ } else {
+ Status = mHiiDatabaseProt->ExportPackageLists (
+ mHiiDatabaseProt,
+ Handle,
+ &Size,
+ PackageListHdr
+ );
+ }
+ }
+
+ if (!EFI_ERROR (Status)) {
+ *PackageListHeader = PackageListHdr;
+ *PackageListSize = Size;
+ } else {
+ FreePool (PackageListHdr);
+ }
+
+ return Status;
+}
+
+/**
+
+ This function returns a list of the package handles of the
+ specified type that are currently active in the HII database. The
+ pseudo-type EFI_HII_PACKAGE_TYPE_ALL will cause all package
+ handles to be listed.
+
+ If HandleBufferLength is NULL, then ASSERT.
+ If HandleBuffer is NULL, the ASSERT.
+ If PackageType is EFI_HII_PACKAGE_TYPE_GUID and PackageGuid is
+ NULL, then ASSERT.
+ If PackageType is not EFI_HII_PACKAGE_TYPE_GUID and PackageGuid is not
+ NULL, then ASSERT.
+
+
+ @param PackageType Specifies the package type of the packages
+ to list or EFI_HII_PACKAGE_TYPE_ALL for
+ all packages to be listed.
+
+ @param PackageGuid If PackageType is
+ EFI_HII_PACKAGE_TYPE_GUID, then this is
+ the pointer to the GUID which must match
+ the Guid field of
+ EFI_HII_PACKAGE_GUID_HEADER. Otherwise, it
+ must be NULL.
+
+ @param HandleBufferLength On output, the length of the handle buffer
+ that is required for the handles found.
+
+ @param HandleBuffer On output, an array of EFI_HII_HANDLE instances returned.
+ The caller is responcible to free this pointer allocated.
+
+ @retval EFI_SUCCESS The matching handles are outputed successfully.
+ HandleBufferLength is updated with the actual length.
+ @retval EFI_OUT_OF_RESOURCES Not enough resource to complete the operation.
+ @retval EFI_NOT_FOUND No matching handle could not be found in database.
+**/
+EFI_STATUS
+EFIAPI
+HiiLibListPackageLists (
+ IN UINT8 PackageType,
+ IN CONST EFI_GUID *PackageGuid,
+ IN OUT UINTN *HandleBufferLength,
+ OUT EFI_HII_HANDLE **HandleBuffer
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (HandleBufferLength != NULL);
+ ASSERT (HandleBuffer != NULL);
+
+ *HandleBufferLength = 0;
+ *HandleBuffer = NULL;
+
+ if (PackageType == EFI_HII_PACKAGE_TYPE_GUID) {
+ ASSERT (PackageGuid != NULL);
+ } else {
+ ASSERT (PackageGuid == NULL);
+ }
+
+ Status = mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ PackageType,
+ PackageGuid,
+ HandleBufferLength,
+ *HandleBuffer
+ );
+ if (EFI_ERROR (Status) && (Status != EFI_BUFFER_TOO_SMALL)) {
+ //
+ // No packages is registered to UEFI HII Database, just return.
+ //
+ //
+ return Status;
+ }
+
+ *HandleBuffer = AllocateZeroPool (*HandleBufferLength);
+
+ if (*HandleBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ return mHiiDatabaseProt->ListPackageLists (
+ mHiiDatabaseProt,
+ PackageType,
+ PackageGuid,
+ HandleBufferLength,
+ *HandleBuffer
+ );
+
+}
+/**
+ This function check if the Hii Handle is a valid handle registered
+ in the HII database.
+
+ @param HiiHandle The HII Handle.
+
+ @retval TRUE If it is a valid HII handle.
+ @retval FALSE If it is a invalid HII handle.
+**/
+BOOLEAN
+IsHiiHandleRegistered (
+ EFI_HII_HANDLE HiiHandle
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
+
+ ASSERT (HiiHandle != NULL);
+
+ HiiPackageList = NULL;
+ BufferSize = 0;
+
+ Status = mHiiDatabaseProt->ExportPackageLists (
+ mHiiDatabaseProt,
+ HiiHandle,
+ &BufferSize,
+ HiiPackageList
+ );
+
+ return (BOOLEAN) (Status == EFI_BUFFER_TOO_SMALL);
+}
+
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