gem5  v22.1.0.0
mem.cc
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2006-2007 The Regents of The University of Michigan
3  * All rights reserved.
4  *
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.
15  *
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.
27  */
28 
29 #include "arch/sparc/insts/mem.hh"
30 
31 namespace gem5
32 {
33 
34 namespace SparcISA
35 {
36 
37 std::string
39 {
40  std::stringstream response;
41  bool load = flags[IsLoad];
42  bool store = flags[IsStore];
43 
44  printMnemonic(response, mnemonic);
45  if (store) {
46  printReg(response, srcRegIdx(0));
47  ccprintf(response, ", ");
48  }
49  ccprintf(response, "[");
50  if (srcRegIdx(!store ? 0 : 1).index() != 0) {
51  printSrcReg(response, !store ? 0 : 1);
52  ccprintf(response, " + ");
53  }
54  printSrcReg(response, !store ? 1 : 2);
55  ccprintf(response, "]");
56  if (load) {
57  ccprintf(response, ", ");
58  printReg(response, destRegIdx(0));
59  }
60 
61  return response.str();
62 }
63 
64 std::string
66 {
67  std::stringstream response;
68  bool load = flags[IsLoad];
69  bool save = flags[IsStore];
70 
71  printMnemonic(response, mnemonic);
72  if (save) {
73  printReg(response, srcRegIdx(0));
74  ccprintf(response, ", ");
75  }
76  ccprintf(response, "[");
77  if (srcRegIdx(!save ? 0 : 1).index() != 0) {
78  printReg(response, srcRegIdx(!save ? 0 : 1));
79  ccprintf(response, " + ");
80  }
81  if (imm >= 0)
82  ccprintf(response, "%#x]", imm);
83  else
84  ccprintf(response, "-%#x]", -imm);
85  if (load) {
86  ccprintf(response, ", ");
87  printReg(response, destRegIdx(0));
88  }
89 
90  return response.str();
91 }
92 
93 } // namespace SparcISA
94 } // namespace gem5
const int32_t imm
Definition: mem.hh:72
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: mem.cc:65
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: mem.cc:38
static void printReg(std::ostream &os, RegId reg)
Definition: static_inst.cc:111
static void printMnemonic(std::ostream &os, const char *mnemonic)
Definition: static_inst.cc:64
void printSrcReg(std::ostream &os, int reg) const
Definition: static_inst.cc:97
const RegId & srcRegIdx(int i) const
Return logical index (architectural reg num) of i'th source reg.
Definition: static_inst.hh:225
const char * mnemonic
Base mnemonic (e.g., "add").
Definition: static_inst.hh:259
const RegId & destRegIdx(int i) const
Return logical index (architectural reg num) of i'th destination reg.
Definition: static_inst.hh:215
std::bitset< Num_Flags > flags
Flag values for this instruction.
Definition: static_inst.hh:103
Bitfield< 4 > pc
Bitfield< 30, 0 > index
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
void ccprintf(cp::Print &print)
Definition: cprintf.hh:130

Generated on Wed Dec 21 2022 10:22:25 for gem5 by doxygen 1.9.1