2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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31 #include "dev/x86/cmos.hh"
33 #include "debug/CMOS.hh"
34 #include "dev/x86/intdev.hh"
35 #include "mem/packet_access.hh"
38 X86ISA::Cmos::X86RTC::handleEvent()
47 X86ISA::Cmos::read(PacketPtr pkt
)
49 assert(pkt
->getSize() == 1);
50 switch(pkt
->getAddr() - pioAddr
)
56 pkt
->set(readRegister(address
));
59 panic("Read from undefined CMOS port.\n");
61 pkt
->makeAtomicResponse();
66 X86ISA::Cmos::write(PacketPtr pkt
)
68 assert(pkt
->getSize() == 1);
69 switch(pkt
->getAddr() - pioAddr
)
72 address
= pkt
->get
<uint8_t>();
75 writeRegister(address
, pkt
->get
<uint8_t>());
78 panic("Write to undefined CMOS port.\n");
80 pkt
->makeAtomicResponse();
85 X86ISA::Cmos::readRegister(uint8_t reg
)
87 assert(reg
< numRegs
);
90 val
= rtc
.readData(reg
);
92 "Reading CMOS RTC reg %x as %x.\n", reg
, val
);
96 "Reading non-volitile CMOS address %x as %x.\n", reg
, val
);
102 X86ISA::Cmos::writeRegister(uint8_t reg
, uint8_t val
)
104 assert(reg
< numRegs
);
106 DPRINTF(CMOS
, "Writing CMOS RTC reg %x with %x.\n",
108 rtc
.writeData(reg
, val
);
110 DPRINTF(CMOS
, "Writing non-volitile CMOS address %x with %x.\n",
117 X86ISA::Cmos::startup()
123 X86ISA::Cmos::serialize(CheckpointOut
&cp
) const
125 SERIALIZE_SCALAR(address
);
126 SERIALIZE_ARRAY(regs
, numRegs
);
128 // Serialize the timer
129 rtc
.serialize("rtc", cp
);
133 X86ISA::Cmos::unserialize(CheckpointIn
&cp
)
135 UNSERIALIZE_SCALAR(address
);
136 UNSERIALIZE_ARRAY(regs
, numRegs
);
138 // Serialize the timer
139 rtc
.unserialize("rtc", cp
);
145 return new X86ISA::Cmos(this);