2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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31 #include "debug/CMOS.hh"
32 #include "dev/x86/cmos.hh"
33 #include "dev/x86/intdev.hh"
34 #include "mem/packet_access.hh"
37 X86ISA::Cmos::X86RTC::handleEvent()
46 X86ISA::Cmos::read(PacketPtr pkt
)
48 assert(pkt
->getSize() == 1);
49 switch(pkt
->getAddr() - pioAddr
)
55 pkt
->set(readRegister(address
));
58 panic("Read from undefined CMOS port.\n");
60 pkt
->makeAtomicResponse();
65 X86ISA::Cmos::write(PacketPtr pkt
)
67 assert(pkt
->getSize() == 1);
68 switch(pkt
->getAddr() - pioAddr
)
71 address
= pkt
->get
<uint8_t>();
74 writeRegister(address
, pkt
->get
<uint8_t>());
77 panic("Write to undefined CMOS port.\n");
79 pkt
->makeAtomicResponse();
84 X86ISA::Cmos::readRegister(uint8_t reg
)
86 assert(reg
< numRegs
);
89 val
= rtc
.readData(reg
);
91 "Reading CMOS RTC reg %x as %x.\n", reg
, val
);
95 "Reading non-volitile CMOS address %x as %x.\n", reg
, val
);
101 X86ISA::Cmos::writeRegister(uint8_t reg
, uint8_t val
)
103 assert(reg
< numRegs
);
105 DPRINTF(CMOS
, "Writing CMOS RTC reg %x with %x.\n",
107 rtc
.writeData(reg
, val
);
109 DPRINTF(CMOS
, "Writing non-volitile CMOS address %x with %x.\n",
116 X86ISA::Cmos::startup()
122 X86ISA::Cmos::serialize(CheckpointOut
&cp
) const
124 SERIALIZE_SCALAR(address
);
125 SERIALIZE_ARRAY(regs
, numRegs
);
127 // Serialize the timer
128 rtc
.serialize("rtc", cp
);
132 X86ISA::Cmos::unserialize(CheckpointIn
&cp
)
134 UNSERIALIZE_SCALAR(address
);
135 UNSERIALIZE_ARRAY(regs
, numRegs
);
137 // Serialize the timer
138 rtc
.unserialize("rtc", cp
);
144 return new X86ISA::Cmos(this);