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Diffstat (limited to 'dev/isa_fake.hh')
-rw-r--r-- | dev/isa_fake.hh | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/dev/isa_fake.hh b/dev/isa_fake.hh deleted file mode 100644 index 73e40c681..000000000 --- a/dev/isa_fake.hh +++ /dev/null @@ -1,87 +0,0 @@ -/* - * Copyright (c) 2004-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** @file - * Declaration of a fake device. - */ - -#ifndef __ISA_FAKE_HH__ -#define __ISA_FAKE_HH__ - -#include "dev/tsunami.hh" -#include "base/range.hh" -#include "dev/io_device.hh" - -class MemoryController; - -/** - * IsaFake is a device that returns -1 on all reads and - * accepts all writes. It is meant to be placed at an address range - * so that an mcheck doesn't occur when an os probes a piece of hw - * that doesn't exist (e.g. UARTs1-3). - */ -class IsaFake : public PioDevice -{ - private: - /** The address in memory that we respond to */ - Addr addr; - - public: - /** - * The constructor for Tsunmami Fake just registers itself with the MMU. - * @param name name of this device. - * @param a address to respond to. - * @param mmu the mmu we register with. - * @param size number of addresses to respond to - */ - IsaFake(const std::string &name, Addr a, MemoryController *mmu, - HierParams *hier, Bus *pio_bus, Addr size = 0x8); - - /** - * This read always returns -1. - * @param req The memory request. - * @param data Where to put the data. - */ - virtual Fault read(MemReqPtr &req, uint8_t *data); - - /** - * All writes are simply ignored. - * @param req The memory request. - * @param data the data to not write. - */ - virtual Fault write(MemReqPtr &req, const uint8_t *data); - - /** - * Return how long this access will take. - * @param req the memory request to calcuate - * @return Tick when the request is done - */ - Tick cacheAccess(MemReqPtr &req); -}; - -#endif // __ISA_FAKE_HH__ |