Machine.h

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//===------------------------------------------------------------*- C++ -*-===//
//
// T-EMU: The Terma Emulator
// (c) Terma 2015
// Authors: Mattias Holm <maho (at) terma.com>
//
//===----------------------------------------------------------------------===//

#ifndef TEMU_MACHINE_H
#define TEMU_MACHINE_H

#include "temu-c/Support/Cpu.h"
#include "temu-c/Support/Events.h"
#include "temu-c/Support/Objsys.h"
#include "temu-c/Target/Cpu.h"

#ifdef __cplusplus
extern "C" {
#endif

/* Standard machine interface
 */
typedef struct temu_MachineIface {
  // Send reset to all processors in the machine
  void (*reset)(void *Obj, int ResetType);
  // Run the machine for the given time
  temu_CpuExitReason (*run)(void *Obj, uint64_t NanoSecs);

  // Step the given process a number of steps.
  temu_CpuExitReason (*step)(void *Obj, int CpuId, uint64_t Steps);
  temu_CpuIfaceRef (*getCurrentCpu)(void *Obj);
  temu_CpuIfaceRef (*getCpu)(void *Obj, unsigned Idx);
  int64_t (*getTime)(void *Machine);

  // Return the current CPU number
  unsigned (*getCurrentCpuId)(void *Obj);

  // Async stop must be async safe, it can be used to tell the
  // emulator to stop in an async safe way, e.g. from a signal
  // handler.
  void (*asyncStop)(void *Obj);

} temu_MachineIface;

TEMU_IFACE_REFERENCE_TYPE(temu_Machine);

// All machines must implement this VTable interface. These are used
// to speedup certain operations on machine objects.
// Typically you would call:
//   temu_setVTable(Cls, &MachineVT);
//   temu_qualifyAsMachine(Cls);
// In your machine implementation.
typedef struct {
  temu_MachineIface *Machine;
  temu_EventIface *Event;
} temu_MachineVTable;


#ifdef __cplusplus
}
#endif

#endif /* ! TEMU_DEVICE_H */