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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2017-11-15 11:42:09 +0000
committerArd Biesheuvel <ard.biesheuvel@linaro.org>2017-11-26 10:58:31 +0000
commit7c0e497d6ea9da2827445b07adb884b493961390 (patch)
tree49b870f1552d350fc2de8e575350ed3543663d9b /ArmPlatformPkg/Library
parent37fcab3e106fecc308299aef3bf7c6c14ec6e7ce (diff)
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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>
Diffstat (limited to 'ArmPlatformPkg/Library')
-rw-r--r--ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.c121
-rw-r--r--ArmPlatformPkg/Library/DebugSecExtraActionLib/DebugSecExtraActionLib.inf54
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