#ifndef __GUESTSYS_COM_AH__
  #define __GUESTSYS_COM_AH__

#include "config/AspectConfig.hpp"

#ifdef CONFIG_EVENT_GUESTSYS

#include "../../../bochs/bochs.h"
#include "../../../bochs/cpu/cpu.h"
#include "../SALInst.hpp"

#include "bochs_helpers.hpp"

// Fixed "port number" for "Guest system >> Bochs" communication
#define BOCHS_COM_PORT	0x378

aspect GuestSysCom
{

	pointcut outInstructions() = "% ...::bx_cpu_c::OUT_DX%(...)";

	advice execution (outInstructions()) : after ()
	{
		//
		// Event source: "guest system"
		//
		unsigned rDX = getCPU(tjp->that())->gen_reg[2].word.rx; // port number
		unsigned rAL = getCPU(tjp->that())->gen_reg[0].word.byte.rl; // data
		if (rDX == BOCHS_COM_PORT) {
			sal::simulator.onGuestSystemEvent((char)rAL, rDX);
		}
	}
};

#endif // CONFIG_EVENT_GUESTSYS

#endif /* __GUESTSYS_COM_AH__ */