bugfix: Add BochsListener to CMakeLists, workaround for onTimerTrigger

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1717 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
This commit is contained in:
adrian
2012-10-04 15:38:56 +00:00
parent d1c6ad3469
commit 0c3d365368
5 changed files with 38 additions and 28 deletions

View File

@ -7,6 +7,7 @@ if(BUILD_BOCHS)
SimulatorController.cc
perf/BreakpointBuffer.cc
bochs/BochsController.cc
bochs/BochsListener.cc
)
elseif(BUILD_GEM5)
set(SRCS

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@ -125,6 +125,22 @@ void BochsController::updateBPEventInfo(BX_CPU_C *context, bxInstruction_c *inst
m_CurrentInstruction = instr;
}
void BochsController::onTimerTrigger(void* thisPtr)
{
// FIXME: The timer logic can be modified to use only one timer in Bochs.
// (For now, this suffices.)
TimerListener* pli = static_cast<TimerListener*>(thisPtr);
// Check for a matching TimerListener. (In fact, we are only
// interessted in the iterator pointing at pli.)
ListenerManager::iterator it = std::find(simulator.m_LstList.begin(),
simulator.m_LstList.end(), pli);
// TODO: This has O(|m_LstList|) time complexity. We can further improve this
// by creating a method such that makeActive(pli) works as well,
// reducing the time complexity to O(1).
simulator.m_LstList.makeActive(it);
simulator.m_LstList.triggerActiveListeners();
}
void BochsController::onIOPort(unsigned char data, unsigned port, bool out) {
// Check for active IOPortListeners:
ListenerManager::iterator it = m_LstList.begin();

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@ -64,6 +64,23 @@ public:
* @param out true if the I/O traffic has been outbound, false otherwise
*/
void onIOPort(unsigned char data, unsigned port, bool out);
/**
* Internal handler for TimerListeners. This method is called when a previously
* registered (Bochs) timer triggers. It searches for the provided TimerListener
* object within the ListenerManager and fires such an event by calling
* \c triggerActiveListeners().
* @param thisPtr a pointer to the TimerListener-object triggered
*
* FIXME: Due to Bochs internal timer and ips-configuration related stuff,
* the simulator sometimes panics with "keyboard error:21" (see line
* 1777 in bios/rombios.c, function keyboard_init()) if a TimerListener
* is added *before* the bios has been loaded and initialized. To
* reproduce this error, try adding a \c TimerListener as the initial step
* in your experiment code and wait for it (\c addListenerAndResume()).
* This leads to the consequence that timers cannot be added/enabled at
* boot time.
*/
void onTimerTrigger(void *thisPtr);
/* ********************************************************************
* Simulator Controller & Access API:
* ********************************************************************/

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@ -1,23 +1,11 @@
#include "BochsListener.hpp"
#include "../Listener.hpp"
#include "../ListenerManager.hpp"
#include "../SALInst.hpp"
namespace fail {
void onTimerTrigger(void* thisPtr)
{
// FIXME: The timer logic can be modified to use only one timer in Bochs.
// (For now, this suffices.)
TimerListener* pli = static_cast<TimerListener*>(thisPtr);
// Check for a matching TimerListener. (In fact, we are only
// interessted in the iterator pointing at pli.)
ListenerManager::iterator it = std::find(simulator.m_LstList.begin(),
simulator.m_LstList.end(), pli);
// TODO: This has O(|m_LstList|) time complexity. We can further improve this
// by creating a method such that makeActive(pli) works as well,
// reducing the time complexity to O(1).
simulator.m_LstList.makeActive(it);
simulator.m_LstList.triggerActiveListeners();
simulator.onTimerTrigger(thisPtr);
}
} // end-of-namespace: fail

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@ -4,20 +4,8 @@
namespace fail {
/**
* Static internal handler for TimerListeners. This static function is
* called when a previously registered (Bochs) timer triggers. This function
* searches for the provided TimerListener object within the ListenerManager and
* fires such an event by calling \c triggerActiveListeners().
* @param thisPtr a pointer to the TimerListener-object triggered
*
* FIXME: Due to Bochs internal timer and ips-configuration related stuff,
* the simulator sometimes panics with "keyboard error:21" (see line
* 1777 in bios/rombios.c, function keyboard_init()) if a TimerListener
* is added *before* the bios has been loaded and initialized. To
* reproduce this error, try adding a \c TimerListener as the initial step
* in your experiment code and wait for it (\c addListenerAndResume()).
* This leads to the consequence that timers cannot be added/enabled at
* boot time.
* Global internal handler for (Bochs) TimerListeners. The function just calls
* BochsController::onTimerTrigger().
*/
void onTimerTrigger(void *thisPtr);