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/** @file
Support routines for memory profile for PiSmmCore.
Copyright (c) 2016 - 2018, 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 <PiSmm.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Guid/MemoryProfile.h>
#include "PiSmmCoreMemoryProfileServices.h"
EDKII_MEMORY_PROFILE_PROTOCOL *mLibProfileProtocol;
/**
Check whether the start address of buffer is within any of the SMRAM ranges.
@param[in] Buffer The pointer to the buffer to be checked.
@retval TRUE The buffer is in SMRAM ranges.
@retval FALSE The buffer is out of SMRAM ranges.
**/
BOOLEAN
EFIAPI
BufferInSmram (
IN VOID *Buffer
);
/**
The constructor function initializes memory profile for SMM phase.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
**/
EFI_STATUS
EFIAPI
PiSmmCoreMemoryProfileLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
//
// Locate Profile Protocol
//
Status = gBS->LocateProtocol (
&gEdkiiMemoryProfileGuid,
NULL,
(VOID **)&mLibProfileProtocol
);
if (EFI_ERROR (Status)) {
mLibProfileProtocol = NULL;
}
return EFI_SUCCESS;
}
/**
Record memory profile of multilevel caller.
@param[in] CallerAddress Address of caller.
@param[in] Action Memory profile action.
@param[in] MemoryType Memory type.
EfiMaxMemoryType means the MemoryType is unknown.
@param[in] Buffer Buffer address.
@param[in] Size Buffer size.
@param[in] ActionString String for memory profile action.
Only needed for user defined allocate action.
@return EFI_SUCCESS Memory profile is updated.
@return EFI_UNSUPPORTED Memory profile is unsupported,
or memory profile for the image is not required,
or memory profile for the memory type is not required.
@return EFI_ACCESS_DENIED It is during memory profile data getting.
@return EFI_ABORTED Memory profile recording is not enabled.
@return EFI_OUT_OF_RESOURCES No enough resource to update memory profile for allocate action.
@return EFI_NOT_FOUND No matched allocate info found for free action.
**/
EFI_STATUS
EFIAPI
MemoryProfileLibRecord (
IN PHYSICAL_ADDRESS CallerAddress,
IN MEMORY_PROFILE_ACTION Action,
IN EFI_MEMORY_TYPE MemoryType,
IN VOID *Buffer,
IN UINTN Size,
IN CHAR8 *ActionString OPTIONAL
)
{
if (BufferInSmram (Buffer)) {
return SmmCoreUpdateProfile (CallerAddress, Action, MemoryType, Size, Buffer, ActionString);
} else {
if (mLibProfileProtocol == NULL) {
return EFI_UNSUPPORTED;
}
return mLibProfileProtocol->Record (
mLibProfileProtocol,
CallerAddress,
Action,
MemoryType,
Buffer,
Size,
ActionString
);
}
}
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