9ce632d1f0
dev/baddev.cc: dev/baddev.hh: dev/ide_ctrl.cc: dev/ide_ctrl.hh: dev/ide_disk.cc: dev/ide_disk.hh: dev/ns_gige.cc: dev/ns_gige.hh: dev/pciconfigall.cc: dev/pciconfigall.hh: dev/pcidev.cc: dev/pcidev.hh: dev/pcireg.h: dev/platform.cc: dev/platform.hh: dev/tsunami.cc: dev/tsunami.hh: dev/tsunami_cchip.cc: dev/tsunami_cchip.hh: dev/tsunami_io.cc: dev/tsunami_io.hh: dev/tsunami_pchip.cc: dev/tsunami_pchip.hh: kern/linux/linux.hh: kern/linux/linux_syscalls.cc: kern/linux/linux_syscalls.hh: kern/linux/linux_system.cc: kern/linux/linux_system.hh: Updated copyright dev/tsunamireg.h: Updated copyright and fixed a ULL --HG-- extra : convert_revision : 4800bd227c7064044ee98169d6a91f74c791956f
85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/*
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* Copyright (c) 2004 The Regents of The University of Michigan
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* All rights reserved.
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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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* This devices just panics when touched. For example if you have a
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* kernel that touches the frame buffer which isn't allowed.
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*/
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#ifndef __BADDEV_HH__
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#define __BADDEV_HH__
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#include "mem/functional_mem/functional_memory.hh"
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/**
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* BadDevice
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* This device just panics when accessed. It is supposed to warn
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* the user that the kernel they are running has unsupported
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* options (i.e. frame buffer)
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*/
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class BadDevice : public FunctionalMemory
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{
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private:
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Addr addr;
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static const Addr size = 0xf;
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std::string devname;
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public:
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/**
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* Constructor for the Baddev Class.
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* @param name name of the object
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* @param a base address of the write
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* @param mmu the memory controller
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* @param devicename device that is not implemented
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*/
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BadDevice(const std::string &name, Addr a, MemoryController *mmu,
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const std::string &devicename);
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/**
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* On a read event we just panic aand hopefully print a
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* meaningful error message.
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* @param req Contains the address to read from.
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* @param data A pointer to write the read data to.
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* @return The fault condition of the access.
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*/
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virtual Fault read(MemReqPtr &req, uint8_t *data);
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/**
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* On a write event we just panic aand hopefully print a
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* meaningful error message.
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* @param req Contains the address to write to.
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* @param data The data to write.
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* @return The fault condition of the access.
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*/
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virtual Fault write(MemReqPtr &req, const uint8_t *data);
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/** @todo add serialize/unserialize */
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};
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#endif // __BADDEV_HH__
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