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58 #ifndef __ARCH_X86_INTERRUPTS_HH__
59 #define __ARCH_X86_INTERRUPTS_HH__
61 #include "arch/x86/apicregs.hh"
62 #include "arch/x86/faults.hh"
63 #include "cpu/thread_context.hh"
64 #include "dev/io_device.hh"
65 #include "params/X86LocalApic.hh"
66 #include "sim/eventq.hh"
67 #include "sim/sim_object.hh"
74 class Interrupts : public BasicPioDevice
77 uint32_t regs[NUM_APIC_REGS];
81 class ApicTimerEvent : public Event
84 ApicTimerEvent() : Event()
89 warn("Local APIC timer event doesn't do anything!\n");
93 ApicTimerEvent apicTimerEvent;
96 typedef X86LocalApicParams Params;
98 void setClock(Tick newClock)
106 return dynamic_cast<const Params *>(_params);
109 Tick read(PacketPtr pkt);
110 Tick write(PacketPtr pkt);
112 void addressRanges(AddrRangeList &range_list)
115 range_list.push_back(RangeEx(x86LocalAPICAddress(0, 0),
116 x86LocalAPICAddress(0, 0) + PageBytes));
119 uint32_t readReg(ApicRegIndex miscReg);
120 void setReg(ApicRegIndex reg, uint32_t val);
121 void setRegNoEffect(ApicRegIndex reg, uint32_t val)
126 Interrupts(Params * p) : BasicPioDevice(p),
127 latency(p->pio_latency), clock(0)
130 //Set the local apic DFR to the flat model.
131 regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1);
132 memset(regs, 0, sizeof(regs));
136 int InterruptLevel(uint64_t softint)
138 panic("Interrupts::InterruptLevel unimplemented!\n");
142 void post(int int_num, int index)
144 panic("Interrupts::post unimplemented!\n");
147 void clear(int int_num, int index)
149 warn("Interrupts::clear unimplemented!\n");
154 warn("Interrupts::clear_all unimplemented!\n");
157 bool check_interrupts(ThreadContext * tc) const
162 Fault getInterrupt(ThreadContext * tc)
167 void updateIntrInfo(ThreadContext * tc)
169 panic("Interrupts::updateIntrInfo unimplemented!\n");
172 void serialize(std::ostream & os)
174 panic("Interrupts::serialize unimplemented!\n");
177 void unserialize(Checkpoint * cp, const std::string & section)
179 panic("Interrupts::unserialize unimplemented!\n");
185 #endif // __ARCH_X86_INTERRUPTS_HH__