gem5  v22.1.0.0
reg_class.cc
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2016-2017 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) 2013 Advanced Micro Devices, Inc.
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 
41 #include "cpu/reg_class.hh"
42 
43 #include <sstream>
44 
45 #include "base/cprintf.hh"
46 #include "sim/bufval.hh"
47 #include "sim/byteswap.hh"
48 
49 namespace gem5
50 {
51 
52 std::string
53 RegClassOps::regName(const RegId &id) const
54 {
55  return csprintf("%s[%d]", id.className(), id.index());
56 }
57 
58 std::string
59 RegClassOps::valString(const void *val, size_t size) const
60 {
61  // If this is just a RegVal, or could be interpreted as one, print it
62  // that way.
63  auto [reg_val_str, reg_val_success] = printUintX(val, size, HostByteOrder);
64  if (reg_val_success)
65  return reg_val_str;
66 
67  // Otherwise, print it as a sequence of bytes. Use big endian order so
68  // that the most significant bytes are printed first, like digits in a
69  // regular number.
70 
71  return printByteBuf(val, size, ByteOrder::big);
72 }
73 
74 } // namespace gem5
virtual std::string regName(const RegId &id) const
Print the name of the register specified in id.
Definition: reg_class.cc:53
virtual std::string valString(const void *val, size_t size) const
Print the value of a register pointed to by val of size size.
Definition: reg_class.cc:59
Register ID: describe an architectural register with its class and index.
Definition: reg_class.hh:91
Bitfield< 30, 0 > index
Bitfield< 63 > val
Definition: misc.hh:776
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
std::pair< std::string, bool > printUintX(const void *buf, std::size_t bytes, ByteOrder endian)
Definition: bufval.cc:82
const ByteOrder HostByteOrder
Definition: byteswap.hh:171
std::string csprintf(const char *format, const Args &...args)
Definition: cprintf.hh:161
std::string printByteBuf(const void *buf, std::size_t bytes, ByteOrder endian, std::size_t chunk_size)
Definition: bufval.cc:99

Generated on Wed Dec 21 2022 10:22:31 for gem5 by doxygen 1.9.1