i8259.hh (5630:b49710ff49d3) i8259.hh (5631:38912b6250d0)
1/*
2 * Copyright (c) 2004-2005 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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38{
39
40class I8259 : public BasicPioDevice
41{
42 protected:
43 Tick latency;
44 bool master;
45
1/*
2 * Copyright (c) 2004-2005 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;

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

38{
39
40class I8259 : public BasicPioDevice
41{
42 protected:
43 Tick latency;
44 bool master;
45
46 // Interrupt Request Register
47 uint8_t IRR;
48 // In Service Register
49 uint8_t ISR;
50 // Interrupt Mask Register
51 uint8_t IMR;
52
53 bool edgeTriggered;
54 bool cascadeMode;
55 bool expectICW4;
56 bool readIRR;
57 int initControlWord;
58
46 public:
47 typedef I8259Params Params;
48
49 const Params *
50 params() const
51 {
52 return dynamic_cast<const Params *>(_params);
53 }
54
55 I8259(Params * p) : BasicPioDevice(p)
56 {
57 pioSize = 2;
59 public:
60 typedef I8259Params Params;
61
62 const Params *
63 params() const
64 {
65 return dynamic_cast<const Params *>(_params);
66 }
67
68 I8259(Params * p) : BasicPioDevice(p)
69 {
70 pioSize = 2;
71 initControlWord = 0;
72 readIRR = true;
58 latency = p->pio_latency;
59 master = p->master;
60 }
61
62 Tick read(PacketPtr pkt);
63
64 Tick write(PacketPtr pkt);
65};
66
67}; // namespace X86ISA
68
69#endif //__DEV_X86_I8259_HH__
73 latency = p->pio_latency;
74 master = p->master;
75 }
76
77 Tick read(PacketPtr pkt);
78
79 Tick write(PacketPtr pkt);
80};
81
82}; // namespace X86ISA
83
84#endif //__DEV_X86_I8259_HH__