summaryrefslogtreecommitdiff
path: root/src/mem/ruby/libruby.cc
blob: e4e302ebab842edbd9df355a84fe9e4f039b01ad (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182

#include <sys/wait.h>
#include <algorithm>

#include "config/gems_root.hh"
#include "mem/ruby/libruby_internal.hh"
#include "mem/ruby/system/RubyPort.hh"
#include "mem/ruby/system/System.hh"
#include "mem/ruby/eventqueue/RubyEventQueue.hh"
#include "mem/ruby/system/MemoryVector.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/recorder/Tracer.hh"

string RubyRequestType_to_string(const RubyRequestType& obj)
{
  switch(obj) {
  case RubyRequestType_IFETCH:
    return "IFETCH";
  case RubyRequestType_LD:
    return "LD";
  case RubyRequestType_ST:
    return "ST";
  case RubyRequestType_Locked_Read:
    return "Locked_Read";
  case RubyRequestType_Locked_Write:
    return "Locked_Write";
  case RubyRequestType_RMW_Read:
    return "RMW_Read";
  case RubyRequestType_RMW_Write:
    return "RMW_Write";
  case RubyRequestType_NULL:
  default:
    assert(0);
    return "";
  }
}

RubyRequestType string_to_RubyRequestType(std::string str)
{
  if (str == "IFETCH")
    return RubyRequestType_IFETCH;
  else if (str == "LD")
    return RubyRequestType_LD;
  else if (str == "ST")
    return RubyRequestType_ST;
  else if (str == "Locked_Read")
    return RubyRequestType_Locked_Read;
  else if (str == "Locked_Write")
    return RubyRequestType_Locked_Write;
  else if (str == "RMW_Read")
    return RubyRequestType_RMW_Read;
  else if (str == "RMW_Write")
    return RubyRequestType_RMW_Write;
  else
    assert(0);
  return RubyRequestType_NULL;
}

ostream& operator<<(ostream& out, const RubyRequestType& obj)
{
  cerr << "in op" << endl;
  out << RubyRequestType_to_string(obj);
  cerr << "flushing" << endl;
  out << flush;
  cerr << "done" << endl;
  return out;
}

vector<string> tokenizeString(string str, string delims)
{
  vector<string> tokens;
  char* pch;
  char* tmp;
  const char* c_delims = delims.c_str();
  tmp = new char[str.length()+1];
  strcpy(tmp, str.c_str());
  pch = strtok(tmp, c_delims);
  while (pch != NULL) {
    string tmp_str(pch);
    if (tmp_str == "null") tmp_str = "";
    tokens.push_back(tmp_str);

    pch = strtok(NULL, c_delims);
  }
  delete [] tmp;
  return tokens;
}

void libruby_init(const char* cfg_filename)
{
  ifstream cfg_output(cfg_filename);

  vector<RubyObjConf> * sys_conf = new vector<RubyObjConf>;

  string line;
  getline(cfg_output, line) ;
  while ( !cfg_output.eof() ) {
    vector<string> tokens = tokenizeString(line, " ");
    assert(tokens.size() >= 2);
    vector<string> argv;
    for (size_t i=2; i<tokens.size(); i++) {
      std::replace(tokens[i].begin(), tokens[i].end(), '%', ' ');
      std::replace(tokens[i].begin(), tokens[i].end(), '#', '\n');
      argv.push_back(tokens[i]);
    }
    sys_conf->push_back(RubyObjConf(tokens[0], tokens[1], argv));
    tokens.clear();
    argv.clear();
    getline(cfg_output, line);
  }

  RubySystem::create(*sys_conf);
  delete sys_conf;
}

RubyPortHandle libruby_get_port(const char* port_name, void (*hit_callback)(int64_t access_id))
{
  return static_cast<RubyPortHandle>(RubySystem::getPort(port_name, hit_callback));
}

RubyPortHandle libruby_get_port_by_name(const char* port_name)
{
  return static_cast<RubyPortHandle>(RubySystem::getPortOnly(port_name));
}

void libruby_write_ram(uint64_t paddr, uint8_t* data, int len)
{
  RubySystem::getMemoryVector()->write(Address(paddr), data, len);
}

void libruby_read_ram(uint64_t paddr, uint8_t* data, int len)
{
  RubySystem::getMemoryVector()->read(Address(paddr), data, len);
}

int64_t libruby_issue_request(RubyPortHandle p, struct RubyRequest request)
{
  return static_cast<RubyPort*>(p)->makeRequest(request);
}

int libruby_tick(int n)
{
  RubySystem::getEventQueue()->triggerEvents(RubySystem::getEventQueue()->getTime() + n);
  return 0;
}

void libruby_destroy()
{
}

const char* libruby_last_error()
{
  return "";
}

void libruby_print_config(std::ostream & out)
{
  RubySystem::printConfig(out);
}

void libruby_print_stats(std::ostream & out)
{
  RubySystem::printStats(out);
}
void libruby_playback_trace(char * trace_filename) 
{
  RubySystem::getTracer()->playbackTrace(trace_filename);
}

void libruby_start_tracing(char * record_filename) {
  // start the trace
  RubySystem::getTracer()->startTrace(record_filename);
}

void libruby_stop_tracing() {
  // start the trace
  RubySystem::getTracer()->stopTrace();
}

uint64_t libruby_get_time() {
  return RubySystem::getCycleCount(0);
}