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1. Removed AsmSwitchStackAndBackingStore from BaseLib.h

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2. Modified SwitchStack definition update to MWG 0.60e.
3. Added BaseLib/Ipf/InternalSwitchStack.c and removed BaseLib/Ipf/Non-existing.c
4. Updated any references of AsmSwitchStackAndBackingStore to SwichStack on IPF.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2499 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
2007-03-22 03:03:32 +00:00
parent ebc5b9557e
commit cb41bea732
10 changed files with 420 additions and 355 deletions
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28
MdePkg/Library/BaseLib/Ebc/SwitchStack.c
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@@ -1,7 +1,7 @@
/** @file
Switch Stack functions.
Copyright (c) 2006, Intel Corporation<BR>
Copyright (c) 2006 - 2007, Intel Corporation<BR>
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
@@ -17,10 +17,13 @@
/**
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.
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().
@@ -32,21 +35,30 @@
function.
@param NewStack A pointer to the new stack to use for the EntryPoint
function.
@param Marker VA_LIST marker for the variable argument list.
**/
VOID
EFIAPI
InternalSwitchStack (
IN SWITCH_STACK_ENTRY_POINT EntryPoint,
IN VOID *Context1, OPTIONAL
IN VOID *Context2, OPTIONAL
IN VOID *NewStack
IN VOID *Context1, OPTIONAL
IN VOID *Context2, OPTIONAL
IN VOID *NewStack,
IN VA_LIST Marker
)
{
//
// This version of this function does not actually change the stack pointer
// This is to support compilation of CPU types that do not support assemblers
// such as EBC
//
//
// Stack should be aligned with CPU_STACK_ALIGNMENT
//
ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0);
EntryPoint (Context1, Context2);
}