2 * Copyright (c) 2006 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 * Port object definitions.
36 #include "base/chunk_generator.hh"
37 #include "cpu/thread_context.hh"
38 #include "mem/vport.hh"
41 VirtualPort::readBlob(Addr addr
, uint8_t *p
, int size
)
44 for (ChunkGenerator
gen(addr
, size
, TheISA::PageBytes
); !gen
.done();
48 paddr
= TheISA::vtophys(tc
,gen
.addr());
50 paddr
= TheISA::vtophys(gen
.addr());
52 FunctionalPort::readBlob(paddr
, p
, gen
.size());
58 VirtualPort::writeBlob(Addr addr
, uint8_t *p
, int size
)
61 for (ChunkGenerator
gen(addr
, size
, TheISA::PageBytes
); !gen
.done();
65 paddr
= TheISA::vtophys(tc
,gen
.addr());
67 paddr
= TheISA::vtophys(gen
.addr());
69 FunctionalPort::writeBlob(paddr
, p
, gen
.size());
75 CopyOut(ThreadContext
*tc
, void *dest
, Addr src
, size_t cplen
)
77 uint8_t *dst
= (uint8_t *)dest
;
78 VirtualPort
*vp
= tc
->getVirtPort();
80 vp
->readBlob(src
, dst
, cplen
);
84 CopyIn(ThreadContext
*tc
, Addr dest
, void *source
, size_t cplen
)
86 uint8_t *src
= (uint8_t *)source
;
87 VirtualPort
*vp
= tc
->getVirtPort();
89 vp
->writeBlob(dest
, src
, cplen
);
93 CopyStringOut(ThreadContext
*tc
, char *dst
, Addr vaddr
, size_t maxlen
)
97 VirtualPort
*vp
= tc
->getVirtPort();
100 vp
->readBlob(vaddr
++, (uint8_t*)dst
++, 1);
101 } while (len
< maxlen
&& start
[len
++] != 0 );
107 CopyStringIn(ThreadContext
*tc
, char *src
, Addr vaddr
)
109 VirtualPort
*vp
= tc
->getVirtPort();
110 for (ChunkGenerator
gen(vaddr
, strlen(src
), TheISA::PageBytes
); !gen
.done();
113 vp
->writeBlob(gen
.addr(), (uint8_t*)src
, gen
.size());