2 * Copyright (c) 2004 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #ifndef __TSUNAMI_PCHIP_HH__
34 #define __TSUNAMI_PCHIP_HH__
36 #include "mem/functional_mem/functional_memory.hh"
37 #include "dev/tsunami.hh"
42 class TsunamiPChip : public FunctionalMemory
45 /** The base address of this device */
48 /** The size of mappad from the above address */
49 static const Addr size = 0xfff;
53 * pointer to the tsunami object.
54 * This is our access to all the other tsunami
59 /** Window Base addresses */
65 /** Translated Base Addresses */
70 * Register the PChip with the mmu and init all wsba, wsm, and tba to 0
71 * @param name the name of thes device
72 * @param t a pointer to the tsunami device
73 * @param a the address which we respond to
74 * @param mmu the mmu we are to register with
76 TsunamiPChip(const std::string &name, Tsunami *t, Addr a,
77 MemoryController *mmu);
80 * Translate a PCI bus address to a memory address for DMA.
81 * @todo Andrew says this needs to be fixed. What's wrong with it?
82 * @param busAddr PCI address to translate.
83 * @return memory system address
85 Addr translatePciToDma(Addr busAddr);
88 * Process a read to the PChip.
89 * @param req Contains the address to read from.
90 * @param data A pointer to write the read data to.
91 * @return The fault condition of the access.
93 virtual Fault read(MemReqPtr &req, uint8_t *data);
96 * Process a write to the PChip.
97 * @param req Contains the address to write to.
98 * @param data The data to write.
99 * @return The fault condition of the access.
101 virtual Fault write(MemReqPtr &req, const uint8_t *data);
104 * Serialize this object to the given output stream.
105 * @param os The stream to serialize to.
107 virtual void serialize(std::ostream &os);
110 * Reconstruct the state of this object from a checkpoint.
111 * @param cp The checkpoint use.
112 * @param section The section name of this object
114 virtual void unserialize(Checkpoint *cp, const std::string §ion);
117 #endif // __TSUNAMI_PCHIP_HH__