2 * Copyright (c) 2004-2005 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.
28 * Authors: Nathan Binkert
31 #include "base/misc.hh"
32 #include "dev/pktfifo.hh"
37 PacketFifo::copyout(void *dest
, int offset
, int len
)
39 char *data
= (char *)dest
;
40 if (offset
+ len
>= size())
43 list
<EthPacketPtr
>::iterator p
= fifo
.begin();
44 list
<EthPacketPtr
>::iterator end
= fifo
.end();
46 while (offset
>= (*p
)->length
) {
47 offset
-= (*p
)->length
;
52 panic("invalid fifo");
54 int size
= min((*p
)->length
- offset
, len
);
55 memcpy(data
, (*p
)->data
, size
);
67 PacketFifo::serialize(const string
&base
, ostream
&os
)
69 paramOut(os
, base
+ ".size", _size
);
70 paramOut(os
, base
+ ".maxsize", _maxsize
);
71 paramOut(os
, base
+ ".reserved", _reserved
);
72 paramOut(os
, base
+ ".packets", fifo
.size());
75 list
<EthPacketPtr
>::iterator p
= fifo
.begin();
76 list
<EthPacketPtr
>::iterator end
= fifo
.end();
78 (*p
)->serialize(csprintf("%s.packet%d", base
, i
), os
);
85 PacketFifo::unserialize(const string
&base
, Checkpoint
*cp
,
86 const string
§ion
)
88 paramIn(cp
, section
, base
+ ".size", _size
);
89 // paramIn(cp, section, base + ".maxsize", _maxsize);
90 paramIn(cp
, section
, base
+ ".reserved", _reserved
);
92 paramIn(cp
, section
, base
+ ".packets", fifosize
);
96 for (int i
= 0; i
< fifosize
; ++i
) {
97 EthPacketPtr p
= new EthPacketData(16384);
98 p
->unserialize(csprintf("%s.packet%d", base
, i
), cp
, section
);