MdePkg/Library/BaseLib/Arm/InternalSwitchStack.c File Reference


Functions

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

Detailed Description

SwitchStack() function for ARM.

Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
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.

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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 passes 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.

Referenced by SwitchStack().

VOID EFIAPI InternalSwitchStackAsm ( IN SWITCH_STACK_ENTRY_POINT  EntryPoint,
IN VOID *  Context1,
IN VOID *  Context2,
IN VOID *  NewStack 
)

Transfers control to a function starting with a new stack.

This internal worker function transfers control to the function specified by EntryPoint using the new stack specified by NewStack, and passes in the parameters specified by Context1 and Context2. Context1 and Context2 are optional and may be NULL. The function EntryPoint must never return.

Parameters:
EntryPoint The pointer to the function to enter.
Context1 The first parameter to pass in.
Context2 The second Parameter to pass in
NewStack The new Location of the stack

Referenced by InternalSwitchStack().


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