ba23773287
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3019 6f19259b-4bc3-4df7-8a09-765794883524
146 lines
3.9 KiB
C
146 lines
3.9 KiB
C
/*++
|
|
|
|
Copyright (c) 2006 - 2007, Intel Corporation
|
|
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
|
|
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.
|
|
|
|
Module Name:
|
|
|
|
BaseMemoryTest.c
|
|
|
|
Abstract:
|
|
|
|
The PEI memory test support
|
|
|
|
--*/
|
|
|
|
#include <BaseMemoryTest.h>
|
|
|
|
static PEI_BASE_MEMORY_TEST_PPI mPeiBaseMemoryTestPpi = { BaseMemoryTest };
|
|
|
|
static EFI_PEI_PPI_DESCRIPTOR PpiListPeiBaseMemoryTest = {
|
|
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
|
|
&gPeiBaseMemoryTestPpiGuid,
|
|
&mPeiBaseMemoryTestPpi
|
|
};
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PeiBaseMemoryTestInit (
|
|
IN EFI_FFS_FILE_HEADER *FfsHeader,
|
|
IN EFI_PEI_SERVICES **PeiServices
|
|
)
|
|
/*++
|
|
Description:
|
|
|
|
Entry point function of BaseMemoryTestInit Peim.
|
|
|
|
Arguments:
|
|
|
|
PeiServices - General purpose services available to every PEIM.
|
|
FfsHeader - Ffs header pointer
|
|
|
|
Returns:
|
|
|
|
Status - Result of InstallPpi
|
|
|
|
--*/
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = (**PeiServices).InstallPpi (PeiServices, &PpiListPeiBaseMemoryTest);
|
|
|
|
return Status;
|
|
}
|
|
|
|
EFI_STATUS
|
|
EFIAPI
|
|
BaseMemoryTest (
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
|
IN PEI_BASE_MEMORY_TEST_PPI *This,
|
|
IN EFI_PHYSICAL_ADDRESS BeginAddress,
|
|
IN UINT64 MemoryLength,
|
|
IN PEI_MEMORY_TEST_OP Operation,
|
|
OUT EFI_PHYSICAL_ADDRESS *ErrorAddress
|
|
)
|
|
/*++
|
|
Description:
|
|
|
|
Test base memory.
|
|
|
|
Arguments:
|
|
|
|
PeiServices - General purpose services available to every PEIM.
|
|
This - Pei memory test PPI pointer.
|
|
BeginAddress - Beginning of the memory address to be checked.
|
|
MemoryLength - Bytes of memory range to be checked.
|
|
Operation - Type of memory check operation to be performed.
|
|
ErrorAddress - Return the address of the error memory address.
|
|
ErrorAddress - Address which has error when checked.
|
|
|
|
Returns:
|
|
|
|
Status - Result of InstallPpi
|
|
|
|
--*/
|
|
{
|
|
UINT32 TestPattern;
|
|
EFI_PHYSICAL_ADDRESS TempAddress;
|
|
UINT32 SpanSize;
|
|
|
|
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, PcdGet32 (PcdStatusCodeValueMemoryTestStarted));
|
|
|
|
TestPattern = TEST_PATTERN;
|
|
SpanSize = 0;
|
|
|
|
//
|
|
// Make sure we don't try and test anything above the max physical address range
|
|
//
|
|
ASSERT (BeginAddress + MemoryLength < EFI_MAX_ADDRESS);
|
|
|
|
switch (Operation) {
|
|
case Extensive:
|
|
SpanSize = 0x4;
|
|
break;
|
|
|
|
case Sparse:
|
|
case Quick:
|
|
SpanSize = COVER_SPAN;
|
|
break;
|
|
|
|
case Ignore:
|
|
goto Done;
|
|
break;
|
|
}
|
|
//
|
|
// Write the test pattern into memory range
|
|
//
|
|
TempAddress = BeginAddress;
|
|
while (TempAddress < BeginAddress + MemoryLength) {
|
|
(*(UINT32 *) (UINTN) TempAddress) = TestPattern;
|
|
TempAddress += SpanSize;
|
|
}
|
|
//
|
|
// Read pattern from memory and compare it
|
|
//
|
|
TempAddress = BeginAddress;
|
|
while (TempAddress < BeginAddress + MemoryLength) {
|
|
if ((*(UINT32 *) (UINTN) TempAddress) != TestPattern) {
|
|
*ErrorAddress = TempAddress;
|
|
REPORT_STATUS_CODE (EFI_ERROR_CODE | EFI_ERROR_UNRECOVERED, PcdGet32 (PcdStatusCodeValueUncorrectableMemoryError));
|
|
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
TempAddress += SpanSize;
|
|
}
|
|
|
|
Done:
|
|
return EFI_SUCCESS;
|
|
}
|