cmos.hh (5629:1565c13d1483) cmos.hh (5632:65132fd646c6)
1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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33
34#include "dev/io_device.hh"
35#include "dev/mc146818.hh"
36#include "params/Cmos.hh"
37
38namespace X86ISA
39{
40
1/*
2 * Copyright (c) 2008 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

--- 24 unchanged lines hidden (view full) ---

33
34#include "dev/io_device.hh"
35#include "dev/mc146818.hh"
36#include "params/Cmos.hh"
37
38namespace X86ISA
39{
40
41class I8259;
42
41class Cmos : public BasicPioDevice
42{
43 protected:
44 Tick latency;
45
46 uint8_t address;
47
48 static const int numRegs = 128;
49
50 uint8_t regs[numRegs];
51
52 uint8_t readRegister(uint8_t reg);
53 void writeRegister(uint8_t reg, uint8_t val);
54
55 class X86RTC : public MC146818
56 {
43class Cmos : public BasicPioDevice
44{
45 protected:
46 Tick latency;
47
48 uint8_t address;
49
50 static const int numRegs = 128;
51
52 uint8_t regs[numRegs];
53
54 uint8_t readRegister(uint8_t reg);
55 void writeRegister(uint8_t reg, uint8_t val);
56
57 class X86RTC : public MC146818
58 {
59 protected:
60 I8259 * i8259;
61 int intLine;
57 public:
58 X86RTC(EventManager *em, const std::string &n, const struct tm time,
62 public:
63 X86RTC(EventManager *em, const std::string &n, const struct tm time,
59 bool bcd, Tick frequency) :
60 MC146818(em, n, time, bcd, frequency)
64 bool bcd, Tick frequency, I8259 *_i8259, int _intLine) :
65 MC146818(em, n, time, bcd, frequency),
66 i8259(_i8259), intLine(_intLine)
61 {
62 }
63 protected:
67 {
68 }
69 protected:
64 void handleEvent()
65 {
66 return;
67 }
70 void handleEvent();
68 } rtc;
69
70 public:
71 typedef CmosParams Params;
72
73 Cmos(const Params *p) : BasicPioDevice(p), latency(p->pio_latency),
71 } rtc;
72
73 public:
74 typedef CmosParams Params;
75
76 Cmos(const Params *p) : BasicPioDevice(p), latency(p->pio_latency),
74 rtc(this, "rtc", p->time, true, ULL(5000000000))
77 rtc(this, "rtc", p->time, true, ULL(5000000000),
78 p->i8259, p->int_line)
75 {
76 pioSize = 2;
77 memset(regs, 0, numRegs * sizeof(uint8_t));
78 address = 0;
79 }
80
81 Tick read(PacketPtr pkt);
82
83 Tick write(PacketPtr pkt);
84};
85
86}; // namespace X86ISA
87
88#endif //__DEV_X86_CMOS_HH__
79 {
80 pioSize = 2;
81 memset(regs, 0, numRegs * sizeof(uint8_t));
82 address = 0;
83 }
84
85 Tick read(PacketPtr pkt);
86
87 Tick write(PacketPtr pkt);
88};
89
90}; // namespace X86ISA
91
92#endif //__DEV_X86_CMOS_HH__