Created as wrapper for SwitchStack() to add assert()

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@347 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/MdePkg/Library/BaseLib/Ipf/SwitchStack.c b/MdePkg/Library/BaseLib/Ipf/SwitchStack.c
new file mode 100644 (file)
index 0000000..3dd9382
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ipf/SwitchStack.c
@@ -0,0 +1,49 @@
+/** @file\r
+  Switch Stack functions.\r
+\r
+  Copyright (c) 2006, Intel Corporation<BR>\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
+  Module Name:  SwitchStack.c\r
+\r
+**/\r
+\r
+/**\r
+  Transfers control to a function starting with a new stack.\r
+\r
+  Transfers control to the function specified by EntryPoint using the new stack\r
+  specified by NewStack and passing in the parameters specified by Context1 and\r
+  Context2. Context1 and Context2 are optional and may be NULL. The function\r
+  EntryPoint must never return.\r
+\r
+  If EntryPoint is NULL, then ASSERT().\r
+  If NewStack is NULL, then ASSERT().\r
+\r
+  @param  EntryPoint  A pointer to function to call with the new stack.\r
+  @param  Context1    A pointer to the context to pass into the EntryPoint\r
+                      function.\r
+  @param  Context2    A pointer to the context to pass into the EntryPoint\r
+                      function.\r
+  @param  NewStack    A pointer to the new stack to use for the EntryPoint\r
+                      function.\r
+\r
+**/\r
+VOID\r
+EFIAPI\r
+SwitchStack (\r
+  IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,\r
+  IN      VOID                      *Context1,\r
+  IN      VOID                      *Context2,\r
+  IN      VOID                      *NewStack\r
+  )\r
+{\r
+  ASSERT (EntryPoint != NULL && NewStack != NULL);\r
+\r
+  _SwitchStack (EntryPoint, Context1, Context2, NewStack);\r
+}\r