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/** @file
Support routines for memory profile for Smm phase drivers.
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiSmm.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/SmmServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Guid/MemoryProfile.h>
EDKII_MEMORY_PROFILE_PROTOCOL *mLibProfileProtocol;
EDKII_SMM_MEMORY_PROFILE_PROTOCOL *mLibSmmProfileProtocol;
/**
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
SmmMemoryProfileLibConstructor (
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;
}
Status = gSmst->SmmLocateProtocol (
&gEdkiiSmmMemoryProfileGuid,
NULL,
(VOID **)&mLibSmmProfileProtocol
);
if (EFI_ERROR (Status)) {
mLibSmmProfileProtocol = 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)) {
if (mLibSmmProfileProtocol == NULL) {
return EFI_UNSUPPORTED;
}
return mLibSmmProfileProtocol->Record (
mLibSmmProfileProtocol,
CallerAddress,
Action,
MemoryType,
Buffer,
Size,
ActionString
);
} else {
if (mLibProfileProtocol == NULL) {
return EFI_UNSUPPORTED;
}
return mLibProfileProtocol->Record (
mLibProfileProtocol,
CallerAddress,
Action,
MemoryType,
Buffer,
Size,
ActionString
);
}
}
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