gem5 [DEVELOP-FOR-25.1]
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bus.hh
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1/*
2 * Copyright (c) 2025 REDS institute of the HEIG-VD
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
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8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
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13 *
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15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
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36 */
37
38#ifndef __DEV_PCI_BUS_HH__
39#define __DEV_PCI_BUS_HH__
40
42#include "params/PciBus.hh"
43
44namespace gem5
45{
46
56class PciBus : public NoncoherentXBar
57{
58 public:
60 PciBus(const Params &p);
61
62 Port &getPort(const std::string &if_name,
63 PortID idx = InvalidPortID) override;
64
65 protected:
66 void recvRangeChange(PortID mem_side_port_id) override;
67
68 PortID findPort(AddrRange addr_range, PacketPtr pkt = nullptr) override;
69
72};
73
74} // namespace gem5
75
76#endif // __DEV_PCI_BUS_HH__
The AddrRange class encapsulates an address range, and supports a number of tests to check if two ran...
Definition addr_range.hh:82
ClockedObjectParams Params
Parameters of ClockedObject.
NoncoherentXBar(const NoncoherentXBarParams &p)
PortID findPort(AddrRange addr_range, PacketPtr pkt=nullptr) override
Find which port connected to this crossbar (if any) should be given a packet with this address range.
Definition bus.cc:85
PARAMS(PciBus)
Port & getPort(const std::string &if_name, PortID idx=InvalidPortID) override
A function used to return the port associated with this object.
Definition bus.cc:60
PciBus(const Params &p)
Definition bus.cc:47
AddrRange configRange
Definition bus.hh:71
PortID configErrorPortID
Definition bus.hh:70
void recvRangeChange(PortID mem_side_port_id) override
Function called by the port when the crossbar is recieving a range change.
Definition bus.cc:70
Ports are used to interface objects to each other.
Definition port.hh:62
Bitfield< 0 > p
Copyright (c) 2024 Arm Limited All rights reserved.
Definition binary32.hh:36
const PortID InvalidPortID
Definition types.hh:246
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition types.hh:245
Packet * PacketPtr
Declaration of a non-coherent crossbar.

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