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fail/core/SAL/bochs/GuestSysCom.ah

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#ifndef __GUESTSYS_COM_AH__
#define __GUESTSYS_COM_AH__
#include "config/FailConfig.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__ */