fs_translating_port_proxy.cc (14019:4732393f8210) fs_translating_port_proxy.cc (14196:ce364f5517f3)
1/*
2 * Copyright (c) 2011,2013 ARM Limited
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
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2006 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Ali Saidi
41 * Andreas Hansson
42 */
43
44/**
45 * @file
46 * Port object definitions.
47 */
48
49#include "mem/fs_translating_port_proxy.hh"
50
51#include "arch/vtophys.hh"
52#include "base/chunk_generator.hh"
53#include "cpu/base.hh"
54#include "cpu/thread_context.hh"
55#include "sim/system.hh"
56
57FSTranslatingPortProxy::FSTranslatingPortProxy(ThreadContext *tc)
58 : PortProxy(tc->getCpuPtr()->getDataPort(),
59 tc->getSystemPtr()->cacheLineSize()), _tc(tc)
60{
61}
62
1/*
2 * Copyright (c) 2011,2013 ARM Limited
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
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2006 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Ali Saidi
41 * Andreas Hansson
42 */
43
44/**
45 * @file
46 * Port object definitions.
47 */
48
49#include "mem/fs_translating_port_proxy.hh"
50
51#include "arch/vtophys.hh"
52#include "base/chunk_generator.hh"
53#include "cpu/base.hh"
54#include "cpu/thread_context.hh"
55#include "sim/system.hh"
56
57FSTranslatingPortProxy::FSTranslatingPortProxy(ThreadContext *tc)
58 : PortProxy(tc->getCpuPtr()->getDataPort(),
59 tc->getSystemPtr()->cacheLineSize()), _tc(tc)
60{
61}
62
63FSTranslatingPortProxy::FSTranslatingPortProxy(MasterPort &port,
64 unsigned int cacheLineSize)
63FSTranslatingPortProxy::FSTranslatingPortProxy(
64 SendFunctionalFunc func, unsigned int cacheLineSize)
65 : PortProxy(func, cacheLineSize), _tc(NULL)
66{
67}
68
69FSTranslatingPortProxy::FSTranslatingPortProxy(
70 MasterPort &port, unsigned int cacheLineSize)
65 : PortProxy(port, cacheLineSize), _tc(NULL)
66{
67}
68
69bool
70FSTranslatingPortProxy::tryReadBlob(Addr addr, void *p, int size) const
71{
72 Addr paddr;
73 for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
74 gen.next())
75 {
76 if (_tc)
77 paddr = TheISA::vtophys(_tc,gen.addr());
78 else
79 paddr = TheISA::vtophys(gen.addr());
80
81 PortProxy::readBlobPhys(paddr, 0, p, gen.size());
82 p = static_cast<uint8_t *>(p) + gen.size();
83 }
84 return true;
85}
86
87bool
88FSTranslatingPortProxy::tryWriteBlob(
89 Addr addr, const void *p, int size) const
90{
91 Addr paddr;
92 for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
93 gen.next())
94 {
95 if (_tc)
96 paddr = TheISA::vtophys(_tc,gen.addr());
97 else
98 paddr = TheISA::vtophys(gen.addr());
99
100 PortProxy::writeBlobPhys(paddr, 0, p, gen.size());
101 p = static_cast<const uint8_t *>(p) + gen.size();
102 }
103 return true;
104}
105
106bool
107FSTranslatingPortProxy::tryMemsetBlob(Addr address, uint8_t v, int size) const
108{
109 Addr paddr;
110 for (ChunkGenerator gen(address, size, TheISA::PageBytes); !gen.done();
111 gen.next())
112 {
113 if (_tc)
114 paddr = TheISA::vtophys(_tc,gen.addr());
115 else
116 paddr = TheISA::vtophys(gen.addr());
117
118 PortProxy::memsetBlobPhys(paddr, 0, v, gen.size());
119 }
120 return true;
121}
71 : PortProxy(port, cacheLineSize), _tc(NULL)
72{
73}
74
75bool
76FSTranslatingPortProxy::tryReadBlob(Addr addr, void *p, int size) const
77{
78 Addr paddr;
79 for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
80 gen.next())
81 {
82 if (_tc)
83 paddr = TheISA::vtophys(_tc,gen.addr());
84 else
85 paddr = TheISA::vtophys(gen.addr());
86
87 PortProxy::readBlobPhys(paddr, 0, p, gen.size());
88 p = static_cast<uint8_t *>(p) + gen.size();
89 }
90 return true;
91}
92
93bool
94FSTranslatingPortProxy::tryWriteBlob(
95 Addr addr, const void *p, int size) const
96{
97 Addr paddr;
98 for (ChunkGenerator gen(addr, size, TheISA::PageBytes); !gen.done();
99 gen.next())
100 {
101 if (_tc)
102 paddr = TheISA::vtophys(_tc,gen.addr());
103 else
104 paddr = TheISA::vtophys(gen.addr());
105
106 PortProxy::writeBlobPhys(paddr, 0, p, gen.size());
107 p = static_cast<const uint8_t *>(p) + gen.size();
108 }
109 return true;
110}
111
112bool
113FSTranslatingPortProxy::tryMemsetBlob(Addr address, uint8_t v, int size) const
114{
115 Addr paddr;
116 for (ChunkGenerator gen(address, size, TheISA::PageBytes); !gen.done();
117 gen.next())
118 {
119 if (_tc)
120 paddr = TheISA::vtophys(_tc,gen.addr());
121 else
122 paddr = TheISA::vtophys(gen.addr());
123
124 PortProxy::memsetBlobPhys(paddr, 0, v, gen.size());
125 }
126 return true;
127}