EbcInt.h

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#ifndef _EBC_INT_H_
#define _EBC_INT_H_
 
#include <Uefi.h>
 
#include <Protocol/DebugSupport.h>
#include <Protocol/Ebc.h>
#include <Protocol/EbcVmTest.h>
#include <Protocol/EbcSimpleDebugger.h>
#include <Protocol/PeCoffImageEmulator.h>
 
#include <Library/BaseLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/DebugLib.h>
#include <Library/PeCoffLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
 
extern VM_CONTEXT  *mVmPtr;
 
//
// Flags passed to the internal create-thunks function.
//
#define FLAG_THUNK_ENTRY_POINT  0x01  // thunk for an image entry point
#define FLAG_THUNK_PROTOCOL     0x00  // thunk for an EBC protocol service
//
// Put this value at the bottom of the VM's stack gap so we can check it on
// occasion to make sure the stack has not been corrupted.
//
#define VM_STACK_KEY_VALUE  0xDEADBEEF
 
EFI_STATUS
EbcCreateThunks (
  IN EFI_HANDLE  ImageHandle,
  IN VOID        *EbcEntryPoint,
  OUT VOID       **Thunk,
  IN  UINT32     Flags
  );
 
EFI_STATUS
EbcAddImageThunk (
  IN EFI_HANDLE  ImageHandle,
  IN VOID        *ThunkBuffer,
  IN UINT32      ThunkSize
  );
 
//
// Define a constant of how often to call the debugger periodic callback
// function.
//
#define EFI_TIMER_UNIT_1MS             (1000 * 10)
#define EBC_VM_PERIODIC_CALLBACK_RATE  (1000 * EFI_TIMER_UNIT_1MS)
#define STACK_POOL_SIZE                (1024 * 1020)
#define MAX_STACK_NUM                  4
 
//
// External low level functions that are native-processor dependent
//
 
UINTN
EFIAPI
EbcLLGetEbcEntryPoint (
  VOID
  );
 
INT64
EFIAPI
EbcLLCALLEXNative (
  IN UINTN  CallAddr,
  IN UINTN  EbcSp,
  IN VOID   *FramePtr
  );
 
VOID
EbcLLCALLEX (
  IN VM_CONTEXT  *VmPtr,
  IN UINTN       FuncAddr,
  IN UINTN       NewStackPointer,
  IN VOID        *FramePtr,
  IN UINT8       Size
  );
 
EFI_STATUS
GetEBCStack (
  IN  EFI_HANDLE  Handle,
  OUT VOID        **StackBuffer,
  OUT UINTN       *BufferIndex
  );
 
EFI_STATUS
ReturnEBCStack (
  IN UINTN  Index
  );
 
EFI_STATUS
InitEBCStack (
  VOID
  );
 
EFI_STATUS
FreeEBCStack (
  VOID
  );
 
EFI_STATUS
ReturnEBCStackByHandle (
  IN EFI_HANDLE  Handle
  );
 
typedef struct {
  EFI_EBC_PROTOCOL    *This;
  VOID                *EntryPoint;
  EFI_HANDLE          ImageHandle;
  VM_CONTEXT          VmContext;
} EFI_EBC_THUNK_DATA;
 
#define EBC_PROTOCOL_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('e', 'b', 'c', 'p')
 
#define EBC_PROTOCOL_PRIVATE_DATA_FROM_THIS(a) \
      CR(a, EBC_PROTOCOL_PRIVATE_DATA, EbcProtocol, EBC_PROTOCOL_PRIVATE_DATA_SIGNATURE)
 
VOID *
EFIAPI
EbcAllocatePoolForThunk (
  IN UINTN  AllocationSize
  );
 
#endif // #ifndef _EBC_INT_H_