X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FBaseLib.h;h=c1d1fa09006734c9adb760b3a036b2918700096a;hb=2ee91a39f1aaaace4f5f7ec664aadb87bbd7a0ff;hp=6a43c164547a73c40c493d716cfe059fddbe3b6b;hpb=1ea5ca46c7eefe66a01cb4db3b72fc0e5a04e2cb;p=mirror_edk2.git

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 6a43c16454..c1d1fa0900 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -2475,9 +2475,9 @@ InterlockedDecrement (
   Performs an atomic compare exchange operation on a 32-bit unsigned integer.
 
   Performs an atomic compare exchange operation on the 32-bit unsigned integer
-  specified by Value.  If Value is equal to CompareValue, then Value is set to 
+  specified by Value.  If Value is equal to CompareValue, then Value is set to
   ExchangeValue and CompareValue is returned.  If Value is not equal to CompareValue,
-  then Value is returned.  The compare exchange operation must be performed using 
+  then Value is returned.  The compare exchange operation must be performed using
   MP safe mechanisms.
 
   If Value is NULL, then ASSERT().
@@ -2501,9 +2501,9 @@ InterlockedCompareExchange32 (
 /**
   Performs an atomic compare exchange operation on a 64-bit unsigned integer.
 
-  Performs an atomic compare exchange operation on the 64-bit unsigned integer specified 
-  by Value.  If Value is equal to CompareValue, then Value is set to ExchangeValue and 
-  CompareValue is returned.  If Value is not equal to CompareValue, then Value is returned. 
+  Performs an atomic compare exchange operation on the 64-bit unsigned integer specified
+  by Value.  If Value is equal to CompareValue, then Value is set to ExchangeValue and
+  CompareValue is returned.  If Value is not equal to CompareValue, then Value is returned.
   The compare exchange operation must be performed using MP safe mechanisms.
 
   If Value is NULL, then ASSERT().
@@ -4987,4 +4987,36 @@ AsmPrepareAndThunk16 (
   IN OUT  THUNK_CONTEXT             *ThunkContext
   );
 
+/**
+  Transfers control to a function starting with a new stack.
+
+  Transfers control to the function specified by EntryPoint using the new stack
+  specified by NewStack and passing in the parameters specified by Context1 and
+  Context2. Context1 and Context2 are optional and may be NULL. The function
+  EntryPoint must never return.
+
+  If EntryPoint is NULL, then ASSERT().
+  If NewStack is NULL, then ASSERT().
+
+  @param  EntryPoint  A pointer to function to call with the new stack.
+  @param  Context1    A pointer to the context to pass into the EntryPoint
+                      function.
+  @param  Context2    A pointer to the context to pass into the EntryPoint
+                      function.
+  @param  NewStack    A pointer to the new stack to use for the EntryPoint
+                      function.
+  @param  NewBsp      A pointer to the new memory location for RSE backing
+                      store.
+
+**/
+VOID
+EFIAPI
+AsmSwitchStackAndBackingStore (
+  IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
+  IN      VOID                      *Context1,  OPTIONAL
+  IN      VOID                      *Context2,  OPTIONAL
+  IN      VOID                      *NewStack,
+  IN      VOID                      *NewBsp
+  );
+
 #endif