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Code scrub for NullMemoryTest driver.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6429 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xli24
2008-11-07 09:34:50 +00:00
parent a7cc3d261c
commit b3764698fa
3 changed files with 160 additions and 119 deletions
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164
MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTest.c
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@ -1,5 +1,5 @@
/** @file
Intall memory test protocol and bypass the real memory test procedure.
Implementation of Generic Memory Test Protocol which does not perform real memory test.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
@ -15,16 +15,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "NullMemoryTest.h"
//
// Module global members
//
UINT64 mTestedSystemMemory = 0;
UINT64 mTotalSystemMemory = 0;
EFI_HANDLE mGenericMemoryTestHandle;
//
// Driver entry here
//
EFI_GENERIC_MEMORY_TEST_PROTOCOL mGenericMemoryTest = {
InitializeMemoryTest,
GenPerformMemoryTest,
@ -32,51 +26,55 @@ EFI_GENERIC_MEMORY_TEST_PROTOCOL mGenericMemoryTest = {
GenCompatibleRangeTest
};
/**
Entry point of the NULL memory test driver.
This function is the entry point of the NULL memory test driver.
It simply installs the Generic Memory Test Protocol.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS Generic Memory Test Protocol is successfully installed.
**/
EFI_STATUS
EFIAPI
GenericMemoryTestEntryPoint (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
The generic memory test driver's entry point, it can initialize private data
to default value
Arguments:
ImageHandle of the loaded driver
Pointer to the System Table
Returns:
Status
EFI_SUCCESS - Protocol successfully installed
EFI_OUT_OF_RESOURCES - Can not allocate protocol data structure in base
memory
--*/
{
EFI_STATUS Status;
//
// Install the protocol
//
Status = gBS->InstallProtocolInterface (
&mGenericMemoryTestHandle,
&gEfiGenericMemTestProtocolGuid,
EFI_NATIVE_INTERFACE,
&mGenericMemoryTest
);
ASSERT_EFI_ERROR (Status);
return Status;
return EFI_SUCCESS;
}
//
// EFI_GENERIC_MEMORY_TEST_PROTOCOL implementation
//
/**
Initialize the generic memory test.
This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.MemoryTestInit.
It simply promotes untested reserved memory to system memory without real test.
@param This Protocol instance pointer.
@param Level The coverage level of the memory test.
@param RequireSoftECCInit Indicate if the memory need software ECC init.
@retval EFI_SUCCESS The generic memory test initialized correctly.
@retval EFI_NO_MEDIA There is not any non-tested memory found, in this
function if not any non-tesed memory found means
that the memory test driver have not detect any
non-tested extended memory of current system.
**/
EFI_STATUS
EFIAPI
InitializeMemoryTest (
@ -84,15 +82,6 @@ InitializeMemoryTest (
IN EXTENDMEM_COVERAGE_LEVEL Level,
OUT BOOLEAN *RequireSoftECCInit
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
UINTN NumberOfDescriptors;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;
@ -104,6 +93,9 @@ Returns:
(MemorySpaceMap[Index].Capabilities & (EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED)) ==
(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED)
) {
//
// For those reserved memory that have not been tested, simply promote to system memory.
//
gDS->RemoveMemorySpace (
MemorySpaceMap[Index].BaseAddress,
MemorySpaceMap[Index].Length
@ -130,6 +122,29 @@ Returns:
return EFI_SUCCESS;
}
/**
Perform the memory test.
This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.PerformMemoryTest.
It simply returns EFI_NOT_FOUND.
@param This Protocol instance pointer.
@param TestedMemorySize Return the tested extended memory size.
@param TotalMemorySize Return the whole system physical memory size, this
value may be changed if in some case some error
DIMMs be disabled.
@param ErrorOut Any time the memory error occurs, this will be
TRUE.
@param IfTestAbort Indicate if the user press "ESC" to skip the memory
test.
@retval EFI_SUCCESS One block of memory test ok, the block size is hide
internally.
@retval EFI_NOT_FOUND Indicate all the non-tested memory blocks have
already go through.
@retval EFI_DEVICE_ERROR Mis-compare error, and no agent can handle it
**/
EFI_STATUS
EFIAPI
GenPerformMemoryTest (
@ -139,15 +154,6 @@ GenPerformMemoryTest (
OUT BOOLEAN *ErrorOut,
IN BOOLEAN TestAbort
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
*ErrorOut = FALSE;
*TestedMemorySize = mTestedSystemMemory;
@ -157,24 +163,43 @@ Returns:
}
/**
The memory test finished.
This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.Finished.
It simply returns EFI_SUCCESS.
@param This Protocol instance pointer.
@retval EFI_SUCCESS Successful free all the generic memory test driver
allocated resource and notify to platform memory
test driver that memory test finished.
**/
EFI_STATUS
EFIAPI
GenMemoryTestFinished (
IN EFI_GENERIC_MEMORY_TEST_PROTOCOL *This
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
return EFI_SUCCESS;
}
/**
Provide capability to test compatible range which used by some special
driver required using memory range before BDS perform memory test.
This function implements EFI_GENERIC_MEMORY_TEST_PROTOCOL.CompatibleRangeTest.
It simply sets the memory range to system memory.
@param This Protocol instance pointer.
@param StartAddress The start address of the memory range.
@param Length The memory range's length.
@retval EFI_SUCCESS The compatible memory range pass the memory test.
@retval EFI_INVALID_PARAMETER The compatible memory range must be below 16M.
**/
EFI_STATUS
EFIAPI
GenCompatibleRangeTest (
@ -182,19 +207,10 @@ GenCompatibleRangeTest (
IN EFI_PHYSICAL_ADDRESS StartAddress,
IN UINT64 Length
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
EFI_GCD_MEMORY_SPACE_DESCRIPTOR descriptor;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;
gDS->GetMemorySpaceDescriptor (StartAddress, &descriptor);
gDS->GetMemorySpaceDescriptor (StartAddress, &Descriptor);
gDS->RemoveMemorySpace (StartAddress, Length);
@ -202,7 +218,7 @@ Returns:
EfiGcdMemoryTypeSystemMemory,
StartAddress,
Length,
descriptor.Capabilities &~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)
Descriptor.Capabilities &~(EFI_MEMORY_PRESENT | EFI_MEMORY_INITIALIZED | EFI_MEMORY_TESTED | EFI_MEMORY_RUNTIME)
);
return EFI_SUCCESS;