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