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-rw-r--r--MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c346
1 files changed, 169 insertions, 177 deletions
diff --git a/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c b/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
index 36bfb0f..6f8926b 100644
--- a/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
+++ b/MdeModulePkg/Library/ExtendedIfrSupportLib/Common.c
@@ -1,177 +1,169 @@
-/** @file
-
-Copyright (c) 2007, Intel Corporation
-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.
-
-Module Name:
-
- UefiIfrCommon.c
-
-Abstract:
-
- Common Library Routines to assist handle HII elements.
-
-
-**/
-
-#include "LibraryInternal.h"
-
-
-//
-// Hii relative protocols
-//
-
-EFI_HII_DATABASE_PROTOCOL *gIfrLibHiiDatabase;
-EFI_HII_STRING_PROTOCOL *gIfrLibHiiString;
-
-EFI_STATUS
-EFIAPI
-ExtendedIfrSupportLibConstructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &gIfrLibHiiDatabase);
- ASSERT_EFI_ERROR (Status);
-
- Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &gIfrLibHiiString);
- ASSERT_EFI_ERROR (Status);
-
- return EFI_SUCCESS;
-}
-
-
-
-STATIC EFI_GUID mIfrVendorGuid = EFI_IFR_TIANO_GUID;
-
-EFI_STATUS
-EFIAPI
-IfrLibExtractClassFromHiiHandle (
- IN EFI_HII_HANDLE Handle,
- OUT UINT16 *Class,
- OUT EFI_STRING_ID *FormSetTitle,
- OUT EFI_STRING_ID *FormSetHelp
- )
-/*++
-
-Routine Description:
- Extract formset class for given HII handle.
-
-Arguments:
- HiiHandle - Hii handle
- Class - Class of the formset
- FormSetTitle - Formset title string
- FormSetHelp - Formset help string
-
-Returns:
- EFI_SUCCESS - Successfully extract Class for specified Hii handle.
-
---*/
-{
- EFI_STATUS Status;
- UINTN BufferSize;
- EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
- UINT8 *Package;
- UINT8 *OpCodeData;
- UINT32 Offset;
- UINT32 Offset2;
- UINT32 PackageListLength;
- EFI_HII_PACKAGE_HEADER PackageHeader;
-
- ASSERT (Handle != NULL);
- ASSERT (Class != NULL);
- ASSERT (FormSetTitle != NULL);
- ASSERT (FormSetHelp != NULL);
-
- *Class = EFI_NON_DEVICE_CLASS;
- *FormSetTitle = 0;
- *FormSetHelp = 0;
-
- //
- // Get HII PackageList
- //
- BufferSize = 0;
- HiiPackageList = NULL;
- Status = gIfrLibHiiDatabase->ExportPackageLists (gIfrLibHiiDatabase, Handle, &BufferSize, HiiPackageList);
- ASSERT (Status != EFI_NOT_FOUND);
-
- if (Status == EFI_BUFFER_TOO_SMALL) {
- HiiPackageList = AllocatePool (BufferSize);
- ASSERT (HiiPackageList != NULL);
-
- Status = gIfrLibHiiDatabase->ExportPackageLists (gIfrLibHiiDatabase, Handle, &BufferSize, HiiPackageList);
- }
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Get Form package from this HII package List
- //
- Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
- Offset2 = 0;
- CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));
-
- while (Offset < PackageListLength) {
- Package = ((UINT8 *) HiiPackageList) + Offset;
- CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));
-
- if (PackageHeader.Type == EFI_HII_PACKAGE_FORM) {
- //
- // Search Class Opcode in this Form Package
- //
- Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);
- while (Offset2 < PackageHeader.Length) {
- OpCodeData = Package + Offset2;
-
- if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {
- //
- // Find FormSet OpCode
- //
- CopyMem (FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
- CopyMem (FormSetHelp, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));
- }
-
- if ((((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP) &&
- CompareGuid (&mIfrVendorGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER))) &&
- (((EFI_IFR_GUID_CLASS *) OpCodeData)->ExtendOpCode == EFI_IFR_EXTEND_OP_CLASS)
- ) {
- //
- // Find GUIDed Class OpCode
- //
- CopyMem (Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
-
- //
- // Till now, we ought to have found the formset Opcode
- //
- break;
- }
-
- Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
- }
-
- if (Offset2 < PackageHeader.Length) {
- //
- // Target formset found
- //
- break;
- }
- }
-
- Offset += PackageHeader.Length;
- }
-
- gBS->FreePool (HiiPackageList);
-
- return EFI_SUCCESS;
-}
-
-
+/** @file
+ Common Library Routines to assist handle HII elements.
+
+Copyright (c) 2007 - 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 "LibraryInternal.h"
+
+
+//
+// Hii relative protocols
+//
+
+EFI_HII_DATABASE_PROTOCOL *gIfrLibHiiDatabase;
+EFI_HII_STRING_PROTOCOL *gIfrLibHiiString;
+
+EFI_STATUS
+EFIAPI
+ExtendedIfrSupportLibConstructor (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &gIfrLibHiiDatabase);
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &gIfrLibHiiString);
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
+
+
+STATIC EFI_GUID mIfrVendorGuid = EFI_IFR_TIANO_GUID;
+
+EFI_STATUS
+EFIAPI
+IfrLibExtractClassFromHiiHandle (
+ IN EFI_HII_HANDLE Handle,
+ OUT UINT16 *Class,
+ OUT EFI_STRING_ID *FormSetTitle,
+ OUT EFI_STRING_ID *FormSetHelp
+ )
+/*++
+
+Routine Description:
+ Extract formset class for given HII handle.
+
+Arguments:
+ HiiHandle - Hii handle
+ Class - Class of the formset
+ FormSetTitle - Formset title string
+ FormSetHelp - Formset help string
+
+Returns:
+ EFI_SUCCESS - Successfully extract Class for specified Hii handle.
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
+ UINT8 *Package;
+ UINT8 *OpCodeData;
+ UINT32 Offset;
+ UINT32 Offset2;
+ UINT32 PackageListLength;
+ EFI_HII_PACKAGE_HEADER PackageHeader;
+
+ ASSERT (Handle != NULL);
+ ASSERT (Class != NULL);
+ ASSERT (FormSetTitle != NULL);
+ ASSERT (FormSetHelp != NULL);
+
+ *Class = EFI_NON_DEVICE_CLASS;
+ *FormSetTitle = 0;
+ *FormSetHelp = 0;
+
+ //
+ // Get HII PackageList
+ //
+ BufferSize = 0;
+ HiiPackageList = NULL;
+ Status = gIfrLibHiiDatabase->ExportPackageLists (gIfrLibHiiDatabase, Handle, &BufferSize, HiiPackageList);
+ ASSERT (Status != EFI_NOT_FOUND);
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ HiiPackageList = AllocatePool (BufferSize);
+ ASSERT (HiiPackageList != NULL);
+
+ Status = gIfrLibHiiDatabase->ExportPackageLists (gIfrLibHiiDatabase, Handle, &BufferSize, HiiPackageList);
+ }
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Get Form package from this HII package List
+ //
+ Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
+ Offset2 = 0;
+ CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));
+
+ while (Offset < PackageListLength) {
+ Package = ((UINT8 *) HiiPackageList) + Offset;
+ CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));
+
+ if (PackageHeader.Type == EFI_HII_PACKAGE_FORM) {
+ //
+ // Search Class Opcode in this Form Package
+ //
+ Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);
+ while (Offset2 < PackageHeader.Length) {
+ OpCodeData = Package + Offset2;
+
+ if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {
+ //
+ // Find FormSet OpCode
+ //
+ CopyMem (FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
+ CopyMem (FormSetHelp, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));
+ }
+
+ if ((((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP) &&
+ CompareGuid (&mIfrVendorGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER))) &&
+ (((EFI_IFR_GUID_CLASS *) OpCodeData)->ExtendOpCode == EFI_IFR_EXTEND_OP_CLASS)
+ ) {
+ //
+ // Find GUIDed Class OpCode
+ //
+ CopyMem (Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
+
+ //
+ // Till now, we ought to have found the formset Opcode
+ //
+ break;
+ }
+
+ Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
+ }
+
+ if (Offset2 < PackageHeader.Length) {
+ //
+ // Target formset found
+ //
+ break;
+ }
+ }
+
+ Offset += PackageHeader.Length;
+ }
+
+ gBS->FreePool (HiiPackageList);
+
+ return EFI_SUCCESS;
+}
+
+
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