From 1241af9510c6f7c0ff83cc3c418e9e1e24bf1ab1 Mon Sep 17 00:00:00 2001
From: Star Zeng <star.zeng@intel.com>
Date: Tue, 25 Aug 2015 03:10:04 +0000
Subject: MdeModulePkg: Add VarCheckHiiLib NULL class library
The check will be based on VarCheckHiiBin that generated
from FV and Hii Database.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18293 6f19259b-4bc3-4df7-8a09-765794883524
---
.../Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c | 73 ++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c
(limited to 'MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c')
diff --git a/MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c b/MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c
new file mode 100644
index 0000000000..41cde34af7
--- /dev/null
+++ b/MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGenFromHii.c
@@ -0,0 +1,73 @@
+/** @file
+ Var Check Hii generation from Hii Database.
+
+Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
+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 "VarCheckHiiGen.h"
+
+/**
+ Generate from Hii Database.
+
+**/
+VOID
+VarCheckHiiGenFromHiiDatabase (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ UINTN BufferSize;
+ VOID *Buffer;
+ EFI_PHYSICAL_ADDRESS BufferAddress;
+ EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
+
+ //
+ // Locate HII Database protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ //
+ // Call first time with zero buffer length.
+ // Should fail with EFI_BUFFER_TOO_SMALL.
+ //
+ BufferSize = 0;
+ Buffer = NULL;
+ Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // Allocate buffer to hold the HII Database.
+ //
+ Status = gBS->AllocatePages (AllocateAnyPages, EfiBootServicesData, EFI_SIZE_TO_PAGES (BufferSize), &BufferAddress);
+ ASSERT_EFI_ERROR (Status);
+ Buffer = (VOID *) (UINTN) BufferAddress;
+
+ //
+ // Export HII Database into the buffer.
+ //
+ Status = HiiDatabase->ExportPackageLists (HiiDatabase, 0, &BufferSize, Buffer);
+ ASSERT_EFI_ERROR (Status);
+
+ DEBUG ((EFI_D_INFO, "VarCheckHiiGenDxeFromHii - HII Database exported at 0x%x, size = 0x%x\n", Buffer, BufferSize));
+
+#ifdef DUMP_HII_DATA
+ DEBUG_CODE (
+ DumpHiiDatabase (Buffer, BufferSize);
+ );
+#endif
+
+ VarCheckParseHiiDatabase (Buffer, BufferSize);
+
+ gBS->FreePages (BufferAddress, EFI_SIZE_TO_PAGES (BufferSize));
+ }
+}
--
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