ArmPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / ArmPkg / Drivers / CpuDxe / CpuDxe.h

/** @file\r
\r
  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
  Copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __CPU_DXE_ARM_EXCEPTION_H__\r
#define __CPU_DXE_ARM_EXCEPTION_H__\r
\r
#include <Uefi.h>\r
\r
#include <Library/ArmLib.h>\r
#include <Library/ArmMmuLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/DxeServicesTableLib.h>\r
#include <Library/CacheMaintenanceLib.h>\r
#include <Library/PeCoffGetEntryPointLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/CpuLib.h>\r
#include <Library/DefaultExceptionHandlerLib.h>\r
#include <Library/DebugLib.h>\r
\r
#include <Guid/DebugImageInfoTable.h>\r
#include <Protocol/Cpu.h>\r
#include <Protocol/DebugSupport.h>\r
#include <Protocol/LoadedImage.h>\r
\r
extern BOOLEAN mIsFlushingGCD;\r
\r
/**\r
  This function registers and enables the handler specified by InterruptHandler for a processor\r
  interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the\r
  handler for the processor interrupt or exception type specified by InterruptType is uninstalled.\r
  The installed handler is called once for each processor interrupt or exception.\r
\r
  @param  InterruptType    A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r
                           are enabled and FALSE if interrupts are disabled.\r
  @param  InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r
                           when a processor interrupt occurs. If this parameter is NULL, then the handler\r
                           will be uninstalled.\r
\r
  @retval EFI_SUCCESS           The handler for the processor interrupt was successfully installed or uninstalled.\r
  @retval EFI_ALREADY_STARTED   InterruptHandler is not NULL, and a handler for InterruptType was\r
                                previously installed.\r
  @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r
                                previously installed.\r
  @retval EFI_UNSUPPORTED       The interrupt specified by InterruptType is not supported.\r
\r
**/\r
EFI_STATUS\r
RegisterInterruptHandler (\r
  IN EFI_EXCEPTION_TYPE             InterruptType,\r
  IN EFI_CPU_INTERRUPT_HANDLER      InterruptHandler\r
  );\r
\r
\r
/**\r
  This function registers and enables the handler specified by InterruptHandler for a processor\r
  interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the\r
  handler for the processor interrupt or exception type specified by InterruptType is uninstalled.\r
  The installed handler is called once for each processor interrupt or exception.\r
\r
  @param  InterruptType    A pointer to the processor's current interrupt state. Set to TRUE if interrupts\r
                           are enabled and FALSE if interrupts are disabled.\r
  @param  InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called\r
                           when a processor interrupt occurs. If this parameter is NULL, then the handler\r
                           will be uninstalled.\r
\r
  @retval EFI_SUCCESS           The handler for the processor interrupt was successfully installed or uninstalled.\r
  @retval EFI_ALREADY_STARTED   InterruptHandler is not NULL, and a handler for InterruptType was\r
                                previously installed.\r
  @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not\r
                                previously installed.\r
  @retval EFI_UNSUPPORTED       The interrupt specified by InterruptType is not supported.\r
\r
**/\r
EFI_STATUS\r
RegisterDebuggerInterruptHandler (\r
  IN EFI_EXCEPTION_TYPE             InterruptType,\r
  IN EFI_CPU_INTERRUPT_HANDLER      InterruptHandler\r
  );\r
\r
\r
EFI_STATUS\r
EFIAPI\r
CpuSetMemoryAttributes (\r
  IN EFI_CPU_ARCH_PROTOCOL     *This,\r
  IN EFI_PHYSICAL_ADDRESS      BaseAddress,\r
  IN UINT64                    Length,\r
  IN UINT64                    Attributes\r
  );\r
\r
EFI_STATUS\r
InitializeExceptions (\r
  IN EFI_CPU_ARCH_PROTOCOL    *Cpu\r
  );\r
\r
EFI_STATUS\r
SyncCacheConfig (\r
  IN  EFI_CPU_ARCH_PROTOCOL *CpuProtocol\r
  );\r
\r
/**\r
 * Publish ARM Processor Data table in UEFI SYSTEM Table.\r
 * @param  HobStart               Pointer to the beginning of the HOB List from PEI.\r
 *\r
 * Description : This function iterates through HOB list and finds ARM processor Table Entry HOB.\r
 *               If  the ARM processor Table Entry HOB is found, the HOB data is copied to run-time memory\r
 *               and a pointer is assigned to it in ARM processor table. Then the ARM processor table is\r
 *               installed in EFI configuration table.\r
**/\r
VOID\r
EFIAPI\r
PublishArmProcessorTable(\r
  VOID\r
  );\r
\r
// The ARM Attributes might be defined on 64-bit (case of the long format description table)\r
UINT64\r
EfiAttributeToArmAttribute (\r
  IN UINT64                    EfiAttributes\r
  );\r
\r
EFI_STATUS\r
GetMemoryRegion (\r
  IN OUT UINTN                   *BaseAddress,\r
  OUT    UINTN                   *RegionLength,\r
  OUT    UINTN                   *RegionAttributes\r
  );\r
\r
VOID\r
GetRootTranslationTableInfo (\r
  IN  UINTN    T0SZ,\r
  OUT UINTN   *TableLevel,\r
  OUT UINTN   *TableEntryCount\r
  );\r
\r
EFI_STATUS\r
SetGcdMemorySpaceAttributes (\r
  IN EFI_GCD_MEMORY_SPACE_DESCRIPTOR    *MemorySpaceMap,\r
  IN UINTN                               NumberOfDescriptors,\r
  IN EFI_PHYSICAL_ADDRESS                BaseAddress,\r
  IN UINT64                              Length,\r
  IN UINT64                              Attributes\r
  );\r
\r
#endif // __CPU_DXE_ARM_EXCEPTION_H__\r