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Change the modifiers of the RegisterContext parameter of EFI SMM SW Dispatch2 Protocol.Register() from IN, CONST to IN, OUT. This is for support for the case where SwSmiInputValue is set to -1, a unique value will be returned in the RegisterContext structure. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11186 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2010-12-21 06:34:32 +00:00
parent f2ad949723
commit 36e8c95557
1 changed files with 15 additions and 11 deletions
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8
MdePkg/Include/Protocol/SmmSwDispatch2.h
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@ -65,10 +65,14 @@ typedef struct _EFI_SMM_SW_DISPATCH2_PROTOCOL EFI_SMM_SW_DISPATCH2_PROTOCOL;
DispatchHandle contains a unique handle which may be used later to unregister the function DispatchHandle contains a unique handle which may be used later to unregister the function
using UnRegister(). using UnRegister().
Note that the modifiers for the parameter RegisterContext are IN, OUT, while they are IN, CONST
in the PI 1.2 errta B spec. This in-consistency is for support for the case where SwSmiInputValue
is set to -1, a unique value will be returned in the RegisterContext structure.
@param[in] This Pointer to the EFI_SMM_SW_DISPATCH2_PROTOCOL instance. @param[in] This Pointer to the EFI_SMM_SW_DISPATCH2_PROTOCOL instance.
@param[in] DispatchFunction Function to register for handler when the specified software @param[in] DispatchFunction Function to register for handler when the specified software
SMI is generated. SMI is generated.
@param[in] RegisterContext Pointer to the dispatch function's context. @param[in, out] RegisterContext Pointer to the dispatch function's context.
The caller fills this context in before calling The caller fills this context in before calling
the register function to indicate to the register the register function to indicate to the register
function which Software SMI input value the function which Software SMI input value the
@ -91,7 +95,7 @@ EFI_STATUS
(EFIAPI *EFI_SMM_SW_REGISTER2)( (EFIAPI *EFI_SMM_SW_REGISTER2)(
IN CONST EFI_SMM_SW_DISPATCH2_PROTOCOL *This, IN CONST EFI_SMM_SW_DISPATCH2_PROTOCOL *This,
IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction, IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,
IN CONST EFI_SMM_SW_REGISTER_CONTEXT *RegisterContext, IN OUT EFI_SMM_SW_REGISTER_CONTEXT *RegisterContext,
OUT EFI_HANDLE *DispatchHandle OUT EFI_HANDLE *DispatchHandle
); );