ArmPlatformPkg: remove unused DebugSecExtraActionLib library

This implementation of ArmPlatformSecExtraActionLib is no longer used
anywhere so remove it.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>

2 files changed, 0 insertions, 175 deletions

diff --git a/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.c b/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.c
deleted file mode 100644
index e617bdaa9c..0000000000
--- a/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/** @file

-*

-*  Copyright (c) 2011-2014, 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.

-*

-**/

-

-#include <PiPei.h>

-

-#include <Library/ArmLib.h>

-#include <Library/ArmGicLib.h>

-#include <Library/ArmPlatformLib.h>

-#include <Library/ArmPlatformSecLib.h>

-#include <Library/DebugLib.h>

-#include <Library/PcdLib.h>

-#include <Library/PrintLib.h>

-#include <Library/SerialPortLib.h>

-

-// When the firmware is built as not Standalone, the secondary cores need to wait the firmware

-// entirely written into DRAM. It is the firmware from DRAM which will wake up the secondary cores.

-VOID

-NonSecureWaitForFirmware (

-  VOID

-  )

-{

-  VOID (*SecondaryStart)(VOID);

-  UINTN AcknowledgeInterrupt;

-  UINTN InterruptId;

-

-  // The secondary cores will execute the firmware once wake from WFI.

-  SecondaryStart = (VOID (*)())(UINTN)PcdGet64 (PcdFvBaseAddress);

-

-  ArmCallWFI ();

-

-  // Acknowledge the interrupt and send End of Interrupt signal.

-  AcknowledgeInterrupt = ArmGicAcknowledgeInterrupt (PcdGet64 (PcdGicInterruptInterfaceBase), &InterruptId);

-  // Check if it is a valid interrupt ID

-  if (InterruptId < ArmGicGetMaxNumInterrupts (PcdGet64 (PcdGicDistributorBase))) {

-    // Got a valid SGI number hence signal End of Interrupt

-    ArmGicEndOfInterrupt (PcdGet64 (PcdGicInterruptInterfaceBase), AcknowledgeInterrupt);

-  }

-

-  // Jump to secondary core entry point.

-  SecondaryStart ();

-

-  // PEI Core should always load and never return

-  ASSERT (FALSE);

-}

-

-/**

-  Call before jumping to Normal World

-

-  This function allows the firmware platform to do extra actions before

-  jumping to the Normal World

-

-**/

-VOID

-ArmPlatformSecExtraAction (

-  IN  UINTN         MpId,

-  OUT UINTN*        JumpAddress

-  )

-{

-  CHAR8           Buffer[100];

-  UINTN           CharCount;

-  UINTN*          StartAddress;

-

-  if (FeaturePcdGet (PcdStandalone) == FALSE) {

-

-    //

-    // Warning: This code assumes the DRAM has already been initialized by ArmPlatformSecLib

-    //

-

-    if (ArmPlatformIsPrimaryCore (MpId)) {

-      StartAddress = (UINTN*)(UINTN)PcdGet64 (PcdFvBaseAddress);

-

-      // Patch the DRAM to make an infinite loop at the start address

-      *StartAddress = 0xEAFFFFFE; // opcode for while(1)

-

-      CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"Waiting for firmware at 0x%08X ...\n\r",StartAddress);

-      SerialPortWrite ((UINT8 *) Buffer, CharCount);

-

-      *JumpAddress = PcdGet64 (PcdFvBaseAddress);

-    } else {

-      // When the primary core is stopped by the hardware debugger to copy the firmware

-      // into DRAM. The secondary cores are still running. As soon as the first bytes of

-      // the firmware are written into DRAM, the secondary cores will start to execute the

-      // code even if the firmware is not entirely written into the memory.

-      // That's why the secondary cores need to be parked in WFI and wake up once the

-      // firmware is ready.

-

-      *JumpAddress = (UINTN)NonSecureWaitForFirmware;

-    }

-  } else if (FeaturePcdGet (PcdSystemMemoryInitializeInSec)) {

-

-    //

-    // Warning: This code assumes the DRAM has already been initialized by ArmPlatformSecLib

-    //

-

-    if (ArmPlatformIsPrimaryCore (MpId)) {

-      // Signal the secondary cores they can jump to PEI phase

-      ArmGicSendSgiTo (PcdGet64 (PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E, PcdGet32 (PcdGicSgiIntId));

-

-      // To enter into Non Secure state, we need to make a return from exception

-      *JumpAddress = PcdGet64 (PcdFvBaseAddress);

-    } else {

-      // We wait for the primary core to finish to initialize the System Memory. Otherwise the secondary

-      // cores would make crash the system by setting their stacks in DRAM before the primary core has not

-      // finished to initialize the system memory.

-      *JumpAddress = (UINTN)NonSecureWaitForFirmware;

-    }

-  } else {

-    *JumpAddress = PcdGet64 (PcdFvBaseAddress);

-  }

-}

diff --git a/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf b/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf
deleted file mode 100644
index b058f367a5..0000000000
--- a/ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf
+++ /dev/null
@@ -1,54 +0,0 @@
-#/* @file

-#  Copyright (c) 2011-2012, 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                    = 0x00010005

-  BASE_NAME                      = DebugSecExtraActionLib

-  FILE_GUID                      = 8fff7a60-a6f8-11e0-990a-0002a5d5c51b

-  MODULE_TYPE                    = BASE

-  VERSION_STRING                 = 1.0

-  LIBRARY_CLASS                  = ArmPlatformSecExtraActionLib

-

-#

-# The following information is for reference only and not required by the build tools.

-#

-#  VALID_ARCHITECTURES           = ARM

-#

-

-[Sources.common]

-  DebugSecExtraActionLib.c

-

-[Packages]

-  MdePkg/MdePkg.dec

-  MdeModulePkg/MdeModulePkg.dec

-  ArmPkg/ArmPkg.dec

-  ArmPlatformPkg/ArmPlatformPkg.dec

-

-[LibraryClasses]

-  ArmPlatformLib

-  DebugLib

-  PcdLib

-  ArmGicLib

-  PrintLib

-  SerialPortLib

-

-[FeaturePcd]

-  gArmPlatformTokenSpaceGuid.PcdStandalone

-  gArmPlatformTokenSpaceGuid.PcdSystemMemoryInitializeInSec

-

-[FixedPcd]

-  gArmTokenSpaceGuid.PcdFvBaseAddress

-

-  gArmTokenSpaceGuid.PcdGicDistributorBase

-  gArmTokenSpaceGuid.PcdGicInterruptInterfaceBase

-  gArmTokenSpaceGuid.PcdGicSgiIntId