i8259.hh (5632:65132fd646c6) i8259.hh (5634:22553ec2f177)
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;

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

27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_I8259_HH__
32#define __DEV_X86_I8259_HH__
33
34#include "dev/io_device.hh"
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;

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

27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __DEV_X86_I8259_HH__
32#define __DEV_X86_I8259_HH__
33
34#include "dev/io_device.hh"
35#include "dev/x86/intdev.hh"
35#include "params/I8259.hh"
36#include "params/I8259.hh"
37#include "enums/X86I8259CascadeMode.hh"
36
37namespace X86ISA
38{
39
38
39namespace X86ISA
40{
41
40class I8259 : public BasicPioDevice
42class I8259 : public BasicPioDevice, public IntDev
41{
42 protected:
43 Tick latency;
43{
44 protected:
45 Tick latency;
44 I8259 *master;
46 IntPin *output;
47 Enums::X86I8259CascadeMode mode;
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

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

66 typedef I8259Params Params;
67
68 const Params *
69 params() const
70 {
71 return dynamic_cast<const Params *>(_params);
72 }
73
48
49 // Interrupt Request Register
50 uint8_t IRR;
51 // In Service Register
52 uint8_t ISR;
53 // Interrupt Mask Register
54 uint8_t IMR;
55

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

69 typedef I8259Params Params;
70
71 const Params *
72 params() const
73 {
74 return dynamic_cast<const Params *>(_params);
75 }
76
74 I8259(Params * p) : BasicPioDevice(p)
77 I8259(Params * p) : BasicPioDevice(p), latency(p->pio_latency),
78 output(p->output), mode(p->mode), readIRR(true),
79 initControlWord(0)
75 {
76 pioSize = 2;
80 {
81 pioSize = 2;
77 initControlWord = 0;
78 readIRR = true;
79 latency = p->pio_latency;
80 master = p->master;
81 }
82
83 Tick read(PacketPtr pkt);
84
85 Tick write(PacketPtr pkt);
86
87 void signalInterrupt(int line);
88};
89
90}; // namespace X86ISA
91
92#endif //__DEV_X86_I8259_HH__
82 }
83
84 Tick read(PacketPtr pkt);
85
86 Tick write(PacketPtr pkt);
87
88 void signalInterrupt(int line);
89};
90
91}; // namespace X86ISA
92
93#endif //__DEV_X86_I8259_HH__