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Date: Mon, 30 Apr 2018 21:02:00 +0100
From: Achin Gupta <achin.gupta@arm.com>
To: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
Cc: edk2-devel@lists.01.org, michael.d.kinney@intel.com,
liming.gao@intel.com, jiewen.yao@intel.com,
leif.lindholm@linaro.org, ard.biesheuvel@linaro.org, nd@arm.com
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Subject: Re: [PATCH v1 17/18] StandaloneMmPkg: Add application to test MM communication protocol.
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Hi Supreeth,
I agree with Jiewen that these should not be a part of this series. Can you push
these in a separate series?
cheers,
Achin
On Fri, Apr 06, 2018 at 03:42:22PM +0100, Supreeth Venkatesh wrote:
> This patch adds a simple application that uses the MM
> communication protocol to pass a copy of the UEFI system table to
> the MM environment in the secure world.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Achin Gupta <achin.gupta@arm.com>
> Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@arm.com>
> ---
> .../Application/MmCommTestApp/MmCommTest.c | 81 ++++++++++++++++++++++
> .../Application/MmCommTestApp/MmCommTest.h | 37 ++++++++++
> .../Application/MmCommTestApp/MmCommTest.inf | 57 +++++++++++++++
> 3 files changed, 175 insertions(+)
> create mode 100644 StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.c
> create mode 100644 StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.h
> create mode 100644 StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.inf
>
> diff --git a/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.c b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.c
> new file mode 100644
> index 0000000000..efbafdde62
> --- /dev/null
> +++ b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.c
> @@ -0,0 +1,81 @@
> +/** @file
> + This sample application demos how to communicate
> + with secure partition using MM communication protocol
> +
> + Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2016 - 2018, ARM Limited. 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 <Uefi.h>
> +#include <Library/PcdLib.h>
> +#include <Library/UefiLib.h>
> +#include <Library/UefiApplicationEntryPoint.h>
> +#include <Library/DebugLib.h>
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +
> +#include "MmCommTest.h"
> +
> +#include <Library/ArmSmcLib.h>
> +
> +#include <Protocol/MmCommunication.h>
> +
> +EFI_MM_COMMUNICATION_PROTOCOL *mMmCommunication = NULL;
> +
> +EFI_STATUS
> +MmIplNotifyCommTest (
> + VOID
> + )
> +{
> + EFI_MM_COMMUNICATE_TEST MmCommTest;
> + UINTN Size;
> +
> + DEBUG ((DEBUG_INFO, "MmIplNotifyCommTest\n"));
> +
> + CopyGuid (&MmCommTest.HeaderGuid, &gMmCommTestGuid);
> + CopyMem (&MmCommTest.Data.EfiSystemTable, gST, sizeof (EFI_SYSTEM_TABLE));
> + MmCommTest.MessageLength = sizeof (EFI_MM_COMMUNICATE_TEST_DATA);
> +
> + //
> + // Generate the MM_COMMUNICATE SMC and return the result
> + //
> + Size = sizeof (MmCommTest);
> + return mMmCommunication->Communicate (NULL, &MmCommTest, &Size);
> +}
> +
> +/**
> + The user Entry Point for Application. The user code starts with this function
> + as the real entry point for the application.
> +
> + @param[in] ImageHandle The firmware allocated handle for the EFI image.
> + @param[in] SystemTable A pointer to the EFI System Table.
> +
> + @retval EFI_SUCCESS The entry point is executed successfully.
> + @retval other Some error occurs when executing this entry point.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +MmCommTestEntryPoint (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_SYSTEM_TABLE *SystemTable
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = gBS->LocateProtocol (&gEfiMmCommunicationProtocolGuid, NULL, (VOID **) &mMmCommunication);
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + return MmIplNotifyCommTest ();
> +}
> diff --git a/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.h b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.h
> new file mode 100644
> index 0000000000..8e8305a060
> --- /dev/null
> +++ b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.h
> @@ -0,0 +1,37 @@
> +/** @file
> + GUIDs for MM Event.
> +
> +Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
> +Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR>
> +
> +This program and the accompanying materials are licensed and made available under
> +the terms and conditions of the BSD License that 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.
> +
> +**/
> +
> +#ifndef __MM_COMM_TEST_H__
> +#define __MM_COMM_TEST_H__
> +
> +#define MM_COMM_TEST_GUID \
> + { 0xa37721e4, 0x8c0b, 0x4bca, { 0xb5, 0xe8, 0xe9, 0x2, 0xa0, 0x25, 0x51, 0x4e }}
> +
> +extern EFI_GUID gMmCommTestGuid;
> +
> +#pragma pack(1)
> +typedef struct {
> + EFI_SYSTEM_TABLE EfiSystemTable;
> +} EFI_MM_COMMUNICATE_TEST_DATA;
> +
> +typedef struct {
> + EFI_GUID HeaderGuid;
> + UINTN MessageLength;
> + EFI_MM_COMMUNICATE_TEST_DATA Data;
> +} EFI_MM_COMMUNICATE_TEST;
> +#pragma pack()
> +
> +#endif
> diff --git a/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.inf b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.inf
> new file mode 100644
> index 0000000000..1828cd7e13
> --- /dev/null
> +++ b/StandaloneMmPkg/Application/MmCommTestApp/MmCommTest.inf
> @@ -0,0 +1,57 @@
> +## @file
> +# Sample UEFI Application Reference EDKII Module.
> +#
> +# This is a sample shell application that will print "UEFI firmware version Info!" to the
> +# UEFI Console.
> +#
> +# It demos how to communicate with secure partition using MM
> +# communication protocol.
> +#
> +# Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2016 - 2018, ARM Limited. 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.
> +#
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x0001001A
> + BASE_NAME = MmCommTest
> + FILE_GUID = 6987936E-ED34-44db-AE97-1FA5E4ED2116
> + MODULE_TYPE = UEFI_APPLICATION
> + VERSION_STRING = 1.0
> + ENTRY_POINT = MmCommTestEntryPoint
> +
> +[Sources]
> + MmCommTest.c
> +
> +[Packages]
> + ArmPkg/ArmPkg.dec
> + ArmPlatformPkg/ArmPlatformPkg.dec
> + MdePkg/MdePkg.dec
> + StandaloneMmPkg/StandaloneMmPkg.dec
> +
> +[LibraryClasses]
> + ArmSmcLib
> + BaseMemoryLib
> + DebugLib
> + PrintLib
> + UefiApplicationEntryPoint
> + UefiBootServicesTableLib
> + UefiLib
> +
> +[FeaturePcd]
> +
> +[Pcd]
> +
> +[Guids]
> + gMmCommTestGuid
> +
> +[Protocols]
> + gEfiMmCommunicationProtocolGuid
> --
> 2.16.2
>