d474a5b952
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1320 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
34 lines
910 B
Plaintext
34 lines
910 B
Plaintext
#ifndef __GUEST_SYS_COM_AH__
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#define __GUEST_SYS_COM_AH__
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#include "config/FailConfig.hpp"
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#ifdef CONFIG_EVENT_GUESTSYS
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#include "../../../bochs/bochs.h"
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#include "../../../bochs/cpu/cpu.h"
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#include "../SALInst.hpp"
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#include "BochsHelpers.hpp"
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// Fixed "port number" for "Guest system >> Bochs" communication
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#define BOCHS_COM_PORT 0x378
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// FIXME: This #define should be located in a config or passed within the event object...
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aspect GuestSysCom {
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pointcut outInstructions() = "% ...::bx_cpu_c::OUT_DX%(...)";
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advice execution (outInstructions()) : after () // Event source: "guest system"
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{
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unsigned rDX = getCPU(tjp->that())->gen_reg[2].word.rx; // port number
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unsigned rAL = getCPU(tjp->that())->gen_reg[0].word.byte.rl; // data
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if (rDX == BOCHS_COM_PORT) {
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fail::simulator.onGuestSystemEvent((char)rAL, rDX);
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}
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}
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};
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#endif // CONFIG_EVENT_GUESTSYS
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#endif // __GUEST_SYS_COM_AH__
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