138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
/** @file
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Support routines for memory profile for Smm phase drivers.
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Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiSmm.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Guid/MemoryProfile.h>
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EDKII_MEMORY_PROFILE_PROTOCOL *mLibProfileProtocol;
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EDKII_SMM_MEMORY_PROFILE_PROTOCOL *mLibSmmProfileProtocol;
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/**
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Check whether the start address of buffer is within any of the SMRAM ranges.
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@param[in] Buffer The pointer to the buffer to be checked.
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@retval TRUE The buffer is in SMRAM ranges.
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@retval FALSE The buffer is out of SMRAM ranges.
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**/
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BOOLEAN
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EFIAPI
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BufferInSmram (
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IN VOID *Buffer
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);
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/**
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The constructor function initializes memory profile for SMM phase.
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@param ImageHandle The firmware allocated handle for the EFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
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**/
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EFI_STATUS
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EFIAPI
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SmmMemoryProfileLibConstructor (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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EFI_STATUS Status;
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//
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// Locate Profile Protocol
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//
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Status = gBS->LocateProtocol (
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&gEdkiiMemoryProfileGuid,
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NULL,
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(VOID **)&mLibProfileProtocol
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);
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if (EFI_ERROR(Status)) {
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mLibProfileProtocol = NULL;
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}
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Status = gSmst->SmmLocateProtocol (
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&gEdkiiSmmMemoryProfileGuid,
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NULL,
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(VOID **)&mLibSmmProfileProtocol
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);
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if (EFI_ERROR(Status)) {
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mLibSmmProfileProtocol = NULL;
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}
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return EFI_SUCCESS;
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}
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/**
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Record memory profile of multilevel caller.
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@param[in] CallerAddress Address of caller.
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@param[in] Action Memory profile action.
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@param[in] MemoryType Memory type.
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EfiMaxMemoryType means the MemoryType is unknown.
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@param[in] Buffer Buffer address.
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@param[in] Size Buffer size.
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@param[in] ActionString String for memory profile action.
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Only needed for user defined allocate action.
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@return EFI_SUCCESS Memory profile is updated.
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@return EFI_UNSUPPORTED Memory profile is unsupported,
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or memory profile for the image is not required,
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or memory profile for the memory type is not required.
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@return EFI_ACCESS_DENIED It is during memory profile data getting.
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@return EFI_ABORTED Memory profile recording is not enabled.
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@return EFI_OUT_OF_RESOURCES No enough resource to update memory profile for allocate action.
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@return EFI_NOT_FOUND No matched allocate info found for free action.
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**/
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EFI_STATUS
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EFIAPI
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MemoryProfileLibRecord (
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IN PHYSICAL_ADDRESS CallerAddress,
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IN MEMORY_PROFILE_ACTION Action,
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IN EFI_MEMORY_TYPE MemoryType,
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IN VOID *Buffer,
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IN UINTN Size,
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IN CHAR8 *ActionString OPTIONAL
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)
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{
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if (BufferInSmram (Buffer)) {
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if (mLibSmmProfileProtocol == NULL) {
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return EFI_UNSUPPORTED;
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}
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return mLibSmmProfileProtocol->Record (
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mLibSmmProfileProtocol,
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CallerAddress,
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Action,
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MemoryType,
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Buffer,
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Size,
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ActionString
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);
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} else {
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if (mLibProfileProtocol == NULL) {
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return EFI_UNSUPPORTED;
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}
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return mLibProfileProtocol->Record (
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mLibProfileProtocol,
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CallerAddress,
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Action,
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MemoryType,
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Buffer,
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Size,
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ActionString
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);
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}
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}
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