Cpu.h

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#ifndef __ARCH_PROTOCOL_CPU_H__
#define __ARCH_PROTOCOL_CPU_H__
 
#include <Protocol/DebugSupport.h>
 
#define EFI_CPU_ARCH_PROTOCOL_GUID \
  { 0x26baccb1, 0x6f42, 0x11d4, {0xbc, 0xe7, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 } }
 
typedef struct _EFI_CPU_ARCH_PROTOCOL EFI_CPU_ARCH_PROTOCOL;
 
typedef enum {
  EfiCpuFlushTypeWriteBackInvalidate,
  EfiCpuFlushTypeWriteBack,
  EfiCpuFlushTypeInvalidate,
  EfiCpuMaxFlushType
} EFI_CPU_FLUSH_TYPE;
 
typedef enum {
  EfiCpuInit,
  EfiCpuMaxInitType
} EFI_CPU_INIT_TYPE;
 
typedef
VOID
(EFIAPI *EFI_CPU_INTERRUPT_HANDLER)(
  IN CONST  EFI_EXCEPTION_TYPE  InterruptType,
  IN CONST  EFI_SYSTEM_CONTEXT  SystemContext
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_FLUSH_DATA_CACHE)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  IN EFI_PHYSICAL_ADDRESS               Start,
  IN UINT64                             Length,
  IN EFI_CPU_FLUSH_TYPE                 FlushType
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_ENABLE_INTERRUPT)(
  IN EFI_CPU_ARCH_PROTOCOL              *This
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_DISABLE_INTERRUPT)(
  IN EFI_CPU_ARCH_PROTOCOL              *This
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_GET_INTERRUPT_STATE)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  OUT BOOLEAN                           *State
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_INIT)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  IN EFI_CPU_INIT_TYPE                  InitType
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_REGISTER_INTERRUPT_HANDLER)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  IN EFI_EXCEPTION_TYPE                 InterruptType,
  IN EFI_CPU_INTERRUPT_HANDLER          InterruptHandler
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_GET_TIMER_VALUE)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  IN UINT32                             TimerIndex,
  OUT UINT64                            *TimerValue,
  OUT UINT64                            *TimerPeriod OPTIONAL
  );
 
typedef
EFI_STATUS
(EFIAPI *EFI_CPU_SET_MEMORY_ATTRIBUTES)(
  IN EFI_CPU_ARCH_PROTOCOL              *This,
  IN  EFI_PHYSICAL_ADDRESS              BaseAddress,
  IN  UINT64                            Length,
  IN  UINT64                            Attributes
  );
 
struct _EFI_CPU_ARCH_PROTOCOL {
  EFI_CPU_FLUSH_DATA_CACHE              FlushDataCache;
  EFI_CPU_ENABLE_INTERRUPT              EnableInterrupt;
  EFI_CPU_DISABLE_INTERRUPT             DisableInterrupt;
  EFI_CPU_GET_INTERRUPT_STATE           GetInterruptState;
  EFI_CPU_INIT                          Init;
  EFI_CPU_REGISTER_INTERRUPT_HANDLER    RegisterInterruptHandler;
  EFI_CPU_GET_TIMER_VALUE               GetTimerValue;
  EFI_CPU_SET_MEMORY_ATTRIBUTES         SetMemoryAttributes;
  UINT32                                NumberOfTimers;
  UINT32                                DmaBufferAlignment;
};
 
extern EFI_GUID  gEfiCpuArchProtocolGuid;
 
#endif