131 lines
3.7 KiB
C
131 lines
3.7 KiB
C
/** @file
|
|
This driver provides some functions for Smart Tool
|
|
|
|
;******************************************************************************
|
|
;* Copyright (c) 2015, Insyde Software Corp. All Rights Reserved.
|
|
;*
|
|
;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
|
|
;* transmit, broadcast, present, recite, release, license or otherwise exploit
|
|
;* any part of this publication in any form, by any means, without the prior
|
|
;* written permission of Insyde Software Corporation.
|
|
;*
|
|
;******************************************************************************
|
|
*/
|
|
|
|
#include "H2oUveSmi.h"
|
|
#include <Protocol/H2oUveSmiHandler.h>
|
|
|
|
|
|
H2OUVE_SMI_HANDLER_PROTOCOL *mH2oUveSmiHandler = NULL;
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
H2oUveSmiHandlerCallback (
|
|
IN CONST EFI_GUID *Protocol,
|
|
IN VOID *Interface,
|
|
IN EFI_HANDLE Handle
|
|
)
|
|
{
|
|
EFI_STATUS Status = EFI_SUCCESS;
|
|
EFI_EVENT H2oUveSmiEvent = NULL;
|
|
|
|
if (NULL == gSmst) {
|
|
return EFI_NOT_READY;
|
|
}
|
|
if (NULL == Protocol) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
if (NULL == Handle) { // 1st function call w/ Handle = NULL
|
|
Status = gSmst->SmmLocateProtocol ( (EFI_GUID *) Protocol, NULL, (VOID **) &Interface);
|
|
|
|
if (EFI_ERROR (Status)) {
|
|
Status = gSmst->SmmRegisterProtocolNotify (
|
|
(EFI_GUID *) Protocol,
|
|
H2oUveSmiHandlerCallback,
|
|
&H2oUveSmiEvent
|
|
);
|
|
Interface = NULL;
|
|
}
|
|
}
|
|
mH2oUveSmiHandler = Interface;
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
H2oUveSmiServiceInit (
|
|
VOID
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = H2oUveSmiHandlerCallback (&gH2oUveSmiHandlerProtocolGuid, NULL, NULL);
|
|
|
|
Status = mH2OIhisi->RegisterCommand(0x52, H2oUveSmiService, IhisiNormalPriority);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
Status = mH2OIhisi->RegisterCommand(0x53, H2oUveSmiService, IhisiNormalPriority);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
EFI_STATUS
|
|
H2oUveSmiService (
|
|
VOID
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
Implement IHISI SPEC. AH=52h, H2O UEFI variable edit SMI service - Confirm the legality of the variables.
|
|
Implement IHISI SPEC. AH=53h, H2O UEFI variable edit SMI service - Boot information-related services.
|
|
|
|
Arguments:
|
|
|
|
None
|
|
|
|
Returns:
|
|
|
|
--*/
|
|
{
|
|
EFI_STATUS Status = EFI_SUCCESS;
|
|
UINT64 Rax = 0;
|
|
UINT64 Rcx = 0;
|
|
UINT64 Rsi = 0;
|
|
UINT64 Rdi = 0;
|
|
|
|
if (NULL == gSmst) {
|
|
// The new ihisi architecture does not require it.
|
|
// IhisiLibErrorCodeHandler (FbtsLibStatusTranslation (EFI_NOT_READY));
|
|
return EFI_NOT_READY;
|
|
}
|
|
|
|
if (NULL == mH2oUveSmiHandler) {
|
|
Status = gSmst->SmmLocateProtocol (
|
|
&gH2oUveSmiHandlerProtocolGuid,
|
|
NULL,
|
|
(VOID **) &mH2oUveSmiHandler
|
|
);
|
|
if (EFI_ERROR (Status) || (NULL == mH2oUveSmiHandler)) {
|
|
// The new ihisi architecture does not require it.
|
|
// IhisiLibErrorCodeHandler (FbtsLibStatusTranslation (EFI_NOT_READY));
|
|
return EFI_NOT_READY;
|
|
}
|
|
}
|
|
|
|
Rax = (UINT64) (UINTN) mH2OIhisi->ReadCpuReg32 (EFI_SMM_SAVE_STATE_REGISTER_RAX);
|
|
Rcx = (UINT64) (UINTN) mH2OIhisi->ReadCpuReg32 (EFI_SMM_SAVE_STATE_REGISTER_RCX);
|
|
Rsi = (UINT64) (UINTN) mH2OIhisi->ReadCpuReg32 (EFI_SMM_SAVE_STATE_REGISTER_RSI);
|
|
Rdi = (UINT64) (UINTN) mH2OIhisi->ReadCpuReg32 (EFI_SMM_SAVE_STATE_REGISTER_RDI);
|
|
|
|
Status = mH2oUveSmiHandler->Function (Rax, Rcx, Rsi, Rdi);
|
|
// The new ihisi architecture does not require it.
|
|
// IhisiLibErrorCodeHandler (FbtsLibStatusTranslation (Status));
|
|
return Status;
|
|
}
|
|
|