974a47dfb9
Apply the gem5 namespace to the codebase. Some anonymous namespaces could theoretically be removed, but since this change's main goal was to keep conflicts at a minimum, it was decided not to modify much the general shape of the files. A few missing comments of the form "// namespace X" that occurred before the newly added "} // namespace gem5" have been added for consistency. std out should not be included in the gem5 namespace, so they weren't. ProtoMessage has not been included in the gem5 namespace, since I'm not familiar with how proto works. Regarding the SystemC files, although they belong to gem5, they actually perform integration between gem5 and SystemC; therefore, it deserved its own separate namespace. Files that are automatically generated have been included in the gem5 namespace. The .isa files currently are limited to a single namespace. This limitation should be later removed to make it easier to accomodate a better API. Regarding the files in util, gem5:: was prepended where suitable. Notice that this patch was tested as much as possible given that most of these were already not previously compiling. Change-Id: Ia53d404ec79c46edaa98f654e23bc3b0e179fe2d Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/46323 Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Reviewed-by: Matthew Poremba <matthew.poremba@amd.com> Tested-by: kokoro <noreply+kokoro@google.com>
124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/*
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* Copyright (c) 2013 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** @file
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* Implementiation of a GICv2m MSI shim.
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*
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* See gic_v2m.cc for an instantiation example.
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*/
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#ifndef __DEV_ARM_GIC_V2M_H__
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#define __DEV_ARM_GIC_V2M_H__
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#include "base/bitunion.hh"
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#include "dev/arm/base_gic.hh"
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#include "dev/io_device.hh"
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#include "dev/platform.hh"
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#include "params/Gicv2m.hh"
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#include "params/Gicv2mFrame.hh"
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namespace gem5
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{
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/**
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* Ultimately this class should be embedded in the Gicv2m class, but
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* this confuses Python as 'Gicv2m::Frame' gets interpreted as 'Frame'
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* in namespace Gicv2m.
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*/
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class Gicv2mFrame : public SimObject
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{
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public:
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const Addr addr;
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const unsigned int spi_base;
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const unsigned int spi_len;
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typedef Gicv2mFrameParams Params;
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Gicv2mFrame(const Params &p) :
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SimObject(p), addr(p.addr), spi_base(p.spi_base), spi_len(p.spi_len)
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{}
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};
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class Gicv2m : public PioDevice
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{
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private:
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static const int FRAME_SIZE = 0x10000;
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static const int MSI_TYPER = 0x0008;
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static const int MSI_SETSPI_NSR = 0x0040;
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static const int PER_ID4 = 0x0fd0;
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/** Latency for an MMIO operation */
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const Tick pioDelay;
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/** A set of configured hardware frames */
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std::vector<Gicv2mFrame *> frames;
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/** Gic to which we fire interrupts */
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BaseGic *gic;
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/** Count of number of configured frames, as log2(frames) */
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unsigned int log2framenum;
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public:
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typedef Gicv2mParams Params;
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Gicv2m(const Params &p);
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/** @{ */
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/** Return the address ranges used by the Gicv2m
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* This is the set of frame addresses
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*/
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virtual AddrRangeList getAddrRanges() const;
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/** A PIO read to the device
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*/
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virtual Tick read(PacketPtr pkt);
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/** A PIO read to the device
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*/
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virtual Tick write(PacketPtr pkt);
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/** @} */
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private:
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/** Determine which frame a PIO access lands in
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*/
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int frameFromAddr(Addr a) const;
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};
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} // namespace gem5
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#endif //__DEV_ARM_GIC_V2M_H__
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