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34 #include "base/trace.hh"
35 #include "config/full_system.hh"
36 #include "cpu/base.hh"
37 #include "cpu/exec_context.hh"
38 #include "cpu/pc_event.hh"
39 #include "sim/debug.hh"
40 #include "sim/root.hh"
44 PCEventQueue::PCEventQueue()
47 PCEventQueue::~PCEventQueue()
51 PCEventQueue::remove(PCEvent
*event
)
54 range_t range
= equal_range(event
);
55 for (iterator i
= range
.first
; i
!= range
.second
; ++i
) {
57 DPRINTF(PCEvent
, "PC based event removed at %#x: %s\n",
58 event
->pc(), event
->descr());
68 PCEventQueue::schedule(PCEvent
*event
)
70 pc_map
.push_back(event
);
71 sort(pc_map
.begin(), pc_map
.end(), MapCompare());
73 DPRINTF(PCEvent
, "PC based event scheduled for %#x: %s\n",
74 event
->pc(), event
->descr());
80 PCEventQueue::doService(ExecContext
*xc
)
82 Addr pc
= xc
->regs
.pc
& ~0x3;
84 range_t range
= equal_range(pc
);
85 for (iterator i
= range
.first
; i
!= range
.second
; ++i
) {
86 // Make sure that the pc wasn't changed as the side effect of
87 // another event. This for example, prevents two invocations
88 // of the SkipFuncEvent. Maybe we should have separate PC
89 // event queues for each processor?
90 if (pc
!= (xc
->regs
.pc
& ~0x3))
93 DPRINTF(PCEvent
, "PC based event serviced at %#x: %s\n",
94 (*i
)->pc(), (*i
)->descr());
104 PCEventQueue::dump() const
106 const_iterator i
= pc_map
.begin();
107 const_iterator e
= pc_map
.end();
110 cprintf("%d: event at %#x: %s\n", curTick
, (*i
)->pc(),
114 PCEventQueue::range_t
115 PCEventQueue::equal_range(Addr pc
)
117 return std::equal_range(pc_map
.begin(), pc_map
.end(), pc
, MapCompare());
120 BreakPCEvent::BreakPCEvent(PCEventQueue
*q
, const std::string
&desc
, bool del
)
121 : PCEvent(q
, desc
), remove(del
)
126 BreakPCEvent::process(ExecContext
*xc
)
128 StringWrap
name(xc
->cpu
->name() + ".break_event");
129 DPRINTFN("break event %s triggered\n", descr());
138 sched_break_pc_sys(System
*sys
, Addr addr
)
140 PCEvent
*event
= new BreakPCEvent(&sys
->pcEventQueue
, "debug break", true);
141 event
->schedule(addr
);
146 sched_break_pc(Addr addr
)
148 for (vector
<System
*>::iterator sysi
= System::systemList
.begin();
149 sysi
!= System::systemList
.end(); ++sysi
) {
150 sched_break_pc_sys(*sysi
, addr
);