MdePkg/Library/BaseLib/Ebc/SwitchStack.c File Reference


Functions

VOID EFIAPI InternalSwitchStack (IN SWITCH_STACK_ENTRY_POINT EntryPoint, IN VOID *Context1, IN VOID *Context2, IN VOID *NewStack, IN VA_LIST Marker)

Detailed Description

Switch Stack functions.

Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
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Function Documentation

VOID EFIAPI InternalSwitchStack ( IN SWITCH_STACK_ENTRY_POINT  EntryPoint,
IN VOID *  Context1,
IN VOID *  Context2,
IN VOID *  NewStack,
IN VA_LIST  Marker 
)

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. Marker will be ignored on IA-32, x64, and EBC. IPF CPUs expect one additional parameter of type VOID * that specifies the new backing store pointer.

If EntryPoint is NULL, then ASSERT(). If NewStack is NULL, then ASSERT().

Parameters:
EntryPoint A pointer to function to call with the new stack.
Context1 A pointer to the context to pass into the EntryPoint function.
Context2 A pointer to the context to pass into the EntryPoint function.
NewStack A pointer to the new stack to use for the EntryPoint function.
Marker A VA_LIST marker for the variable argument list.


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