/** @file | |
Pei Core Reset System Support | |
Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
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 | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
**/ | |
#include "PeiMain.h" | |
/** | |
Core version of the Reset System | |
@param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation. | |
@retval EFI_NOT_AVAILABLE_YET PPI not available yet. | |
@retval EFI_DEVICE_ERROR Did not reset system. | |
Otherwise, resets the system. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
PeiResetSystem ( | |
IN CONST EFI_PEI_SERVICES **PeiServices | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_PEI_RESET_PPI *ResetPpi; | |
Status = PeiServicesLocatePpi ( | |
&gEfiPeiResetPpiGuid, | |
0, | |
NULL, | |
(VOID **)&ResetPpi | |
); | |
// | |
// LocatePpi returns EFI_NOT_FOUND on error | |
// | |
if (!EFI_ERROR (Status)) { | |
return ResetPpi->ResetSystem (PeiServices); | |
} | |
// | |
// Report Status Code that Reset PPI is not available | |
// | |
REPORT_STATUS_CODE ( | |
EFI_ERROR_CODE | EFI_ERROR_MINOR, | |
(EFI_SOFTWARE_PEI_CORE | EFI_SW_PS_EC_RESET_NOT_AVAILABLE) | |
); | |
return EFI_NOT_AVAILABLE_YET; | |
} | |
/** | |
Resets the entire platform. | |
@param[in] ResetType The type of reset to perform. | |
@param[in] ResetStatus The status code for the reset. | |
@param[in] DataSize The size, in bytes, of WatchdogData. | |
@param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown | |
the data buffer starts with a Null-terminated string, optionally | |
followed by additional binary data. The string is a description | |
that the caller may use to further indicate the reason for the | |
system reset. ResetData is only valid if ResetStatus is something | |
other than EFI_SUCCESS unless the ResetType is EfiResetPlatformSpecific | |
where a minimum amount of ResetData is always required. | |
**/ | |
VOID | |
EFIAPI | |
PeiResetSystem2 ( | |
IN EFI_RESET_TYPE ResetType, | |
IN EFI_STATUS ResetStatus, | |
IN UINTN DataSize, | |
IN VOID *ResetData OPTIONAL | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_PEI_RESET2_PPI *Reset2Ppi; | |
Status = PeiServicesLocatePpi ( | |
&gEfiPeiReset2PpiGuid, | |
0, | |
NULL, | |
(VOID **)&Reset2Ppi | |
); | |
if (!EFI_ERROR (Status)) { | |
Reset2Ppi->ResetSystem (ResetType, ResetStatus, DataSize, ResetData); | |
return; | |
} | |
// | |
// Report Status Code that Reset2 PPI is not available. | |
// | |
REPORT_STATUS_CODE ( | |
EFI_ERROR_CODE | EFI_ERROR_MINOR, | |
(EFI_SOFTWARE_PEI_CORE | EFI_SW_PS_EC_RESET_NOT_AVAILABLE) | |
); | |
} | |