1/*
2 * Copyright (c) 2012-2013, 2017-2018 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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41 * Base class for ARM GIC implementations
42 */
43
44#ifndef __DEV_ARM_BASE_GIC_H__
45#define __DEV_ARM_BASE_GIC_H__
46
47#include <unordered_map>
48
49#include "arch/arm/system.hh"
50#include "dev/io_device.hh"
51
52class Platform;
53class RealView;
54class ThreadContext;
55class ArmInterruptPin;
56class ArmSPI;
57class ArmPPI;

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63
64class BaseGic : public PioDevice
65{
66 public:
67 typedef BaseGicParams Params;
68
69 BaseGic(const Params *p);
70 virtual ~BaseGic();
71 void init() override;
72
73 const Params * params() const;
74
75 /**
76 * Post an interrupt from a device that is connected to the GIC.
77 *
78 * Depending on the configuration, the GIC will pass this interrupt
79 * on through to a CPU.

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96 *
97 * Depending on the configuration, the GIC may de-assert it's CPU
98 * line.
99 *
100 * @param num number of interrupt to send
101 */
102 virtual void clearInt(uint32_t num) = 0;
103
104 ArmSystem *
105 getSystem() const
106 {
107 return (ArmSystem *) sys;
108 }
109
110 protected:
111 /** Platform this GIC belongs to. */
112 Platform *platform;
113};
114
115class BaseGicRegisters
116{
117 public:

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