Rename module name from ***To*** to ***On***. AAAOnBBB means this module produce...

[mirror_edk2.git] / EdkCompatibilityPkg / Compatibility / FrameworkHiiOnUefiHiiThunk / HiiHandle.c

diff --git a/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiHandle.c b/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiHandle.c
new file mode 100644 (file)
index 0000000..35db529
--- /dev/null
+++ b/EdkCompatibilityPkg/Compatibility/FrameworkHiiOnUefiHiiThunk/HiiHandle.c
@@ -0,0 +1,85 @@
+/**@file\r
+  This file is for functins related to assign and free Framework HII handle number.\r
+  \r
+Copyright (c) 2008, Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution.  The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+\r
+#include "HiiHandle.h"\r
+\r
+//\r
+// FRAMEWORK_EFI_HII_HANDLE\r
+//\r
+UINT8 mHandle[1024 * 8] = {0};\r
+\r
+/**\r
+\r
+  Initialize the Framework Hii Handle database.\r
+\r
+**/\r
+VOID\r
+InitHiiHandleDatabase (\r
+  VOID\r
+  )\r
+{\r
+  //\r
+  // FRAMEWORK_EFI_HII_HANDLE 0 is reserved.\r
+  // Set Bit 0 in mHandle[0] to 1.\r
+  //\r
+  mHandle[0] |= 1 << 0;\r
+}\r
+\r
+/**\r
+  Allocate a new Framework HII handle. \r
+\r
+  @param  Handle Returns the new Framework HII Handle assigned.\r
+\r
+  @retval EFI_SUCCESS         A new Framework HII Handle is assigned.\r
+  @retval EFI_OUT_OF_RESOURCE The Framework HII Handle database is depleted.\r
+\r
+**/\r
+EFI_STATUS\r
+AllocateHiiHandle (\r
+  OUT FRAMEWORK_EFI_HII_HANDLE *Handle\r
+  )\r
+{\r
+  UINTN       Index;\r
+\r
+  for (Index = 0; Index < sizeof (mHandle) * 8; Index++) {\r
+    if ((mHandle[Index / 8] & (1 << (Index % 8))) == 0) {\r
+      mHandle[Index / 8] = (UINT8) (mHandle[Index / 8] | (1 << (Index % 8)));\r
+      *Handle = (FRAMEWORK_EFI_HII_HANDLE) Index;\r
+      ASSERT (*Handle != 0);\r
+      return EFI_SUCCESS;\r
+    }\r
+  }\r
+  \r
+  return EFI_OUT_OF_RESOURCES;\r
+}\r
+\r
+/**\r
+  Free Framework HII handle. \r
+\r
+  @param  Handle The Framework HII Handle to be freed.\r
+\r
+**/\r
+VOID\r
+FreeHiiHandle (\r
+  IN FRAMEWORK_EFI_HII_HANDLE Handle\r
+  )\r
+{\r
+  UINT16 Num;\r
+\r
+  Num = (UINT16) Handle;\r
+\r
+  ASSERT ((mHandle [Num / 8] & (1 << (Num % 8))) != 0);\r
+  mHandle [Num / 8] = (UINT8) (mHandle [Num / 8] & (~(1 << (Num % 8))));\r
+}\r