gem5  v22.1.0.0
etherpkt.cc
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28 
29 #include "dev/net/etherpkt.hh"
30 
31 #include <iostream>
32 
33 #include "base/inet.hh"
34 #include "base/logging.hh"
35 #include "sim/serialize.hh"
36 
37 namespace gem5
38 {
39 
40 void
41 EthPacketData::serialize(const std::string &base, CheckpointOut &cp) const
42 {
43  paramOut(cp, base + ".simLength", simLength);
44  paramOut(cp, base + ".bufLength", bufLength);
45  paramOut(cp, base + ".length", length);
46  arrayParamOut(cp, base + ".data", data, length);
47 }
48 
49 void
51 {
52  paramIn(cp, base + ".length", length);
53  unsigned chkpt_buf_length;
54  if (optParamIn(cp, base + ".bufLength", chkpt_buf_length)) {
55  // If bufLength is in the checkpoint, make sure that the current buffer
56  // is unallocated or that the checkpoint requested size is smaller than
57  // the current buffer.
58  assert(!data || chkpt_buf_length <= bufLength);
59  bufLength = chkpt_buf_length;
60  } else {
61  // If bufLength is not in the checkpoint, try to use the existing
62  // buffer or use length to size the buffer
63  if (!data)
64  bufLength = length;
65  }
66  assert(length <= bufLength);
67  if (!data)
68  data = new uint8_t[bufLength];
69  arrayParamIn(cp, base + ".data", data, length);
70  if (!optParamIn(cp, base + ".simLength", simLength))
71  simLength = length;
72 }
73 
74 } // namespace gem5
unsigned simLength
Effective length, used for modeling timing in the simulator.
Definition: etherpkt.hh:74
unsigned length
Amount of space occupied by the payload in the data buffer.
Definition: etherpkt.hh:65
uint8_t * data
Pointer to packet data will be deleted.
Definition: etherpkt.hh:55
void serialize(const std::string &base, CheckpointOut &cp) const
Definition: etherpkt.cc:41
unsigned bufLength
Total size of the allocated data buffer.
Definition: etherpkt.hh:60
void unserialize(const std::string &base, CheckpointIn &cp)
Definition: etherpkt.cc:50
bool optParamIn(CheckpointIn &cp, const std::string &name, T &param, bool do_warn=true)
This function is used for restoring optional parameters from the checkpoint.
Definition: serialize.hh:357
decltype(std::begin(std::declval< const T & >()), std::end(std::declval< const T & >()), void()) arrayParamOut(CheckpointOut &os, const std::string &name, const T &param)
Definition: serialize.hh:409
Bitfield< 51, 12 > base
Definition: pagetable.hh:141
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
std::ostream CheckpointOut
Definition: serialize.hh:66
void paramOut(CheckpointOut &cp, const std::string &name, ExtMachInst const &machInst)
Definition: types.cc:40
void paramIn(CheckpointIn &cp, const std::string &name, ExtMachInst &machInst)
Definition: types.cc:72
void arrayParamIn(CheckpointIn &cp, const std::string &name, CircleBuf< T > &param)
Definition: circlebuf.hh:257

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