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Remove DebugSupport driver for ARM and DebugSupportProtocol. In edk2 you can link debugger into DXE core directly so you don't need a debug support. Also we are going to FIQ for debugger ctrl-c break in, so no need to hook the timer infrastructure.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10495 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
2010-05-18 00:54:24 +00:00
parent 5f4dc6dd9e
commit 23d3998ad5
6 changed files with 11 additions and 262 deletions
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119
EmbeddedPkg/DebugSupportDxe/DebugSupport.c
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@@ -1,119 +0,0 @@
/** @file
Copyright (c) 2008 - 2009, Apple Inc. 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/CacheMaintenanceLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/Cpu.h>
#include <Protocol/DebugSupport.h>
#include <Protocol/TimerDebugSupport.h>
EFI_STATUS
EFIAPI
DebugSupportGetMaximumProcessorIndex (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
OUT UINTN *MaxProcessorIndex
)
{
if (MaxProcessorIndex == NULL) {
return EFI_INVALID_PARAMETER;
}
*MaxProcessorIndex = 0;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
DebugSupportRegisterPeriodicCallback (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN EFI_PERIODIC_CALLBACK PeriodicCallback
)
{
TIMER_DEBUG_SUPPORT_PROTOCOL *Timer;
EFI_STATUS Status;
Status = gBS->LocateProtocol(&gTimerDebugSupportProtocolGuid, NULL, (VOID **)&Timer);
if (EFI_ERROR(Status)) {
return Status;
}
Status = Timer->RegisterPeriodicCallback(Timer, PeriodicCallback);
return Status;
}
EFI_STATUS
EFIAPI
DebugSupportRegisterExceptionCallback (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN EFI_EXCEPTION_CALLBACK ExceptionCallback,
IN EFI_EXCEPTION_TYPE ExceptionType
)
{
EFI_CPU_ARCH_PROTOCOL *Cpu;
EFI_STATUS Status;
Status = gBS->LocateProtocol(&gEfiCpuArchProtocolGuid, NULL, (VOID **)&Cpu);
if (EFI_ERROR(Status)) {
return Status;
}
Status = Cpu->RegisterInterruptHandler(Cpu, ExceptionType, (EFI_CPU_INTERRUPT_HANDLER)ExceptionCallback);
return Status;
}
EFI_STATUS
EFIAPI
DebugSupportInvalidateInstructionCache (
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
IN UINTN ProcessorIndex,
IN VOID *Start,
IN UINT64 Length
)
{
InvalidateInstructionCacheRange(Start, Length);
return EFI_SUCCESS;
}
EFI_DEBUG_SUPPORT_PROTOCOL mDebugSupport = {
IsaArm,
DebugSupportGetMaximumProcessorIndex,
DebugSupportRegisterPeriodicCallback,
DebugSupportRegisterExceptionCallback,
DebugSupportInvalidateInstructionCache
};
EFI_STATUS
DebugSupportDxeInitialize (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
EFI_HANDLE Handle = NULL;
ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiDebugSupportProtocolGuid);
Status = gBS->InstallMultipleProtocolInterfaces(&Handle, &gEfiDebugSupportProtocolGuid, &mDebugSupport, NULL);
return Status;
}

40
EmbeddedPkg/DebugSupportDxe/DebugSupportDxe.inf
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@@ -1,40 +0,0 @@
#/** @file
#
# Copyright (c) 2008 - 2010, Apple Inc. 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.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = ArmDebugSupportDxe
FILE_GUID = 2e7c151b-cbd8-4df6-a0e3-cde660067c6a
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
ENTRY_POINT = DebugSupportDxeInitialize
[Sources.common]
DebugSupport.c
[Packages]
MdePkg/MdePkg.dec
EmbeddedePkg/EmbeddedePkg.dec
[LibraryClasses]
BaseMemoryLib
CacheMaintenanceLib
UefiDriverEntryPoint
ArmLib
[Protocols]
gEfiCpuArchProtocolGuid
gEfiDebugSupportProtocolGuid
gTimerDebugSupportProtocolGuid