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Added AsmSwitchStackAndBackingStore() to BaseLib.h for stack switching on IPF.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1305 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bxing
2006-08-17 05:32:47 +00:00
parent 4a6a5026fc
commit 681dbac98c
2 changed files with 79 additions and 119 deletions
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42
MdePkg/Include/Library/BaseLib.h
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@@ -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