yosys-master
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros
ProcArstPass Struct Reference
+ Inheritance diagram for ProcArstPass:
+ Collaboration diagram for ProcArstPass:

Public Member Functions

 ProcArstPass ()
 
virtual void help ()
 
virtual void execute (std::vector< std::string > args, RTLIL::Design *design)
 
pre_post_exec_state_t pre_execute ()
 
void post_execute (pre_post_exec_state_t state)
 
void cmd_log_args (const std::vector< std::string > &args)
 
void cmd_error (const std::vector< std::string > &args, size_t argidx, std::string msg)
 
void extra_args (std::vector< std::string > args, size_t argidx, RTLIL::Design *design, bool select=true)
 
virtual void run_register ()
 

Static Public Member Functions

static void call (RTLIL::Design *design, std::string command)
 
static void call (RTLIL::Design *design, std::vector< std::string > args)
 
static void call_on_selection (RTLIL::Design *design, const RTLIL::Selection &selection, std::string command)
 
static void call_on_selection (RTLIL::Design *design, const RTLIL::Selection &selection, std::vector< std::string > args)
 
static void call_on_module (RTLIL::Design *design, RTLIL::Module *module, std::string command)
 
static void call_on_module (RTLIL::Design *design, RTLIL::Module *module, std::vector< std::string > args)
 
static void init_register ()
 
static void done_register ()
 

Data Fields

std::string pass_name
 
std::string short_help
 
int call_counter
 
int64_t runtime_ns
 
Passnext_queued_pass
 

Detailed Description

Definition at line 204 of file proc_arst.cc.

Constructor & Destructor Documentation

ProcArstPass::ProcArstPass ( )
inline

Definition at line 205 of file proc_arst.cc.

205 : Pass("proc_arst", "detect asynchronous resets") { }
Pass(std::string name, std::string short_help="** document me **")
Definition: register.cc:40

Member Function Documentation

void Pass::call ( RTLIL::Design design,
std::string  command 
)
staticinherited

Definition at line 146 of file register.cc.

147 {
148  std::vector<std::string> args;
149 
150  std::string cmd_buf = command;
151  std::string tok = next_token(cmd_buf, " \t\r\n");
152 
153  if (tok.empty() || tok[0] == '#')
154  return;
155 
156  if (tok[0] == '!') {
157  cmd_buf = command.substr(command.find('!') + 1);
158  while (!cmd_buf.empty() && (cmd_buf.back() == ' ' || cmd_buf.back() == '\t' ||
159  cmd_buf.back() == '\r' || cmd_buf.back() == '\n'))
160  cmd_buf.resize(cmd_buf.size()-1);
161  log_header("Shell command: %s\n", cmd_buf.c_str());
162  int retCode = run_command(cmd_buf);
163  if (retCode != 0)
164  log_cmd_error("Shell command returned error code %d.\n", retCode);
165  return;
166  }
167 
168  while (!tok.empty()) {
169  if (tok == "#")
170  break;
171  if (tok.back() == ';') {
172  int num_semikolon = 0;
173  while (!tok.empty() && tok.back() == ';')
174  tok.resize(tok.size()-1), num_semikolon++;
175  if (!tok.empty())
176  args.push_back(tok);
177  call(design, args);
178  args.clear();
179  if (num_semikolon == 2)
180  call(design, "clean");
181  if (num_semikolon == 3)
182  call(design, "clean -purge");
183  } else
184  args.push_back(tok);
185  tok = next_token(cmd_buf, " \t\r\n");
186  }
187 
188  call(design, args);
189 }
static std::string next_token(bool pass_newline=false)
Definition: preproc.cc:96
void log_header(const char *format,...)
Definition: log.cc:188
int run_command(const std::string &command, std::function< void(const std::string &)> process_line)
Definition: yosys.cc:195
void log_cmd_error(const char *format,...)
Definition: log.cc:211
static void call(RTLIL::Design *design, std::string command)
Definition: register.cc:146

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

void Pass::call ( RTLIL::Design design,
std::vector< std::string >  args 
)
staticinherited

Definition at line 191 of file register.cc.

192 {
193  if (args.size() == 0 || args[0][0] == '#')
194  return;
195 
196  if (echo_mode) {
197  log("%s", create_prompt(design, 0));
198  for (size_t i = 0; i < args.size(); i++)
199  log("%s%s", i ? " " : "", args[i].c_str());
200  log("\n");
201  }
202 
203  if (pass_register.count(args[0]) == 0)
204  log_cmd_error("No such command: %s (type 'help' for a command overview)\n", args[0].c_str());
205 
206  size_t orig_sel_stack_pos = design->selection_stack.size();
207  auto state = pass_register[args[0]]->pre_execute();
208  pass_register[args[0]]->execute(args, design);
209  pass_register[args[0]]->post_execute(state);
210  while (design->selection_stack.size() > orig_sel_stack_pos)
211  design->selection_stack.pop_back();
212 
213  design->check();
214 }
bool echo_mode
Definition: register.cc:30
std::vector< RTLIL::Selection > selection_stack
Definition: rtlil.h:509
const char * create_prompt(RTLIL::Design *design, int recursion_counter)
Definition: yosys.cc:400
void check()
Definition: rtlil.cc:357
void log_cmd_error(const char *format,...)
Definition: log.cc:211
void log(const char *format,...)
Definition: log.cc:180
std::map< std::string, Pass * > pass_register
Definition: register.cc:35

+ Here is the call graph for this function:

void Pass::call_on_module ( RTLIL::Design design,
RTLIL::Module module,
std::string  command 
)
staticinherited

Definition at line 240 of file register.cc.

241 {
242  std::string backup_selected_active_module = design->selected_active_module;
243  design->selected_active_module = module->name.str();
244  design->selection_stack.push_back(RTLIL::Selection(false));
245  design->selection_stack.back().select(module);
246 
247  Pass::call(design, command);
248 
249  design->selection_stack.pop_back();
250  design->selected_active_module = backup_selected_active_module;
251 }
std::string str() const
Definition: rtlil.h:182
std::vector< RTLIL::Selection > selection_stack
Definition: rtlil.h:509
RTLIL::IdString name
Definition: rtlil.h:599
std::string selected_active_module
Definition: rtlil.h:511
static void call(RTLIL::Design *design, std::string command)
Definition: register.cc:146

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

void Pass::call_on_module ( RTLIL::Design design,
RTLIL::Module module,
std::vector< std::string >  args 
)
staticinherited

Definition at line 253 of file register.cc.

254 {
255  std::string backup_selected_active_module = design->selected_active_module;
256  design->selected_active_module = module->name.str();
257  design->selection_stack.push_back(RTLIL::Selection(false));
258  design->selection_stack.back().select(module);
259 
260  Pass::call(design, args);
261 
262  design->selection_stack.pop_back();
263  design->selected_active_module = backup_selected_active_module;
264 }
std::string str() const
Definition: rtlil.h:182
std::vector< RTLIL::Selection > selection_stack
Definition: rtlil.h:509
RTLIL::IdString name
Definition: rtlil.h:599
std::string selected_active_module
Definition: rtlil.h:511
static void call(RTLIL::Design *design, std::string command)
Definition: register.cc:146

+ Here is the call graph for this function:

void Pass::call_on_selection ( RTLIL::Design design,
const RTLIL::Selection selection,
std::string  command 
)
staticinherited

Definition at line 216 of file register.cc.

217 {
218  std::string backup_selected_active_module = design->selected_active_module;
219  design->selected_active_module.clear();
220  design->selection_stack.push_back(selection);
221 
222  Pass::call(design, command);
223 
224  design->selection_stack.pop_back();
225  design->selected_active_module = backup_selected_active_module;
226 }
std::vector< RTLIL::Selection > selection_stack
Definition: rtlil.h:509
std::string selected_active_module
Definition: rtlil.h:511
static void call(RTLIL::Design *design, std::string command)
Definition: register.cc:146

+ Here is the call graph for this function:

void Pass::call_on_selection ( RTLIL::Design design,
const RTLIL::Selection selection,
std::vector< std::string >  args 
)
staticinherited

Definition at line 228 of file register.cc.

229 {
230  std::string backup_selected_active_module = design->selected_active_module;
231  design->selected_active_module.clear();
232  design->selection_stack.push_back(selection);
233 
234  Pass::call(design, args);
235 
236  design->selection_stack.pop_back();
237  design->selected_active_module = backup_selected_active_module;
238 }
std::vector< RTLIL::Selection > selection_stack
Definition: rtlil.h:509
std::string selected_active_module
Definition: rtlil.h:511
static void call(RTLIL::Design *design, std::string command)
Definition: register.cc:146

+ Here is the call graph for this function:

void Pass::cmd_error ( const std::vector< std::string > &  args,
size_t  argidx,
std::string  msg 
)
inherited

Definition at line 110 of file register.cc.

111 {
112  std::string command_text;
113  int error_pos = 0;
114 
115  for (size_t i = 0; i < args.size(); i++) {
116  if (i < argidx)
117  error_pos += args[i].size() + 1;
118  command_text = command_text + (command_text.empty() ? "" : " ") + args[i];
119  }
120 
121  log("\nSyntax error in command `%s':\n", command_text.c_str());
122  help();
123 
124  log_cmd_error("Command syntax error: %s\n> %s\n> %*s^\n",
125  msg.c_str(), command_text.c_str(), error_pos, "");
126 }
virtual void help()
Definition: register.cc:93
void log_cmd_error(const char *format,...)
Definition: log.cc:211
void log(const char *format,...)
Definition: log.cc:180

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

void Pass::cmd_log_args ( const std::vector< std::string > &  args)
inherited

Definition at line 100 of file register.cc.

101 {
102  if (args.size() <= 1)
103  return;
104  log("Full command line:");
105  for (size_t i = 0; i < args.size(); i++)
106  log(" %s", args[i].c_str());
107  log("\n");
108 }
void log(const char *format,...)
Definition: log.cc:180

+ Here is the call graph for this function:

void Pass::done_register ( )
staticinherited

Definition at line 62 of file register.cc.

63 {
64  frontend_register.clear();
65  pass_register.clear();
66  backend_register.clear();
68 }
std::map< std::string, Frontend * > frontend_register
Definition: register.cc:34
Pass * first_queued_pass
Definition: register.cc:31
#define log_assert(_assert_expr_)
Definition: log.h:85
#define NULL
std::map< std::string, Pass * > pass_register
Definition: register.cc:35
std::map< std::string, Backend * > backend_register
Definition: register.cc:36

+ Here is the caller graph for this function:

virtual void ProcArstPass::execute ( std::vector< std::string >  args,
RTLIL::Design design 
)
inlinevirtual

Implements Pass.

Definition at line 224 of file proc_arst.cc.

225  {
226  std::string global_arst;
227  bool global_arst_neg = false;
228 
229  log_header("Executing PROC_ARST pass (detect async resets in processes).\n");
230 
231  size_t argidx;
232  for (argidx = 1; argidx < args.size(); argidx++)
233  {
234  if (args[argidx] == "-global_arst" && argidx+1 < args.size()) {
235  global_arst = args[++argidx];
236  if (!global_arst.empty() && global_arst[0] == '!') {
237  global_arst_neg = true;
238  global_arst = global_arst.substr(1);
239  }
240  global_arst = RTLIL::escape_id(global_arst);
241  continue;
242  }
243  break;
244  }
245 
246  extra_args(args, argidx, design);
247 
248  for (auto mod : design->modules())
249  if (design->selected(mod)) {
250  SigMap assign_map(mod);
251  for (auto &proc_it : mod->processes) {
252  if (!design->selected(mod, proc_it.second))
253  continue;
254  proc_arst(mod, proc_it.second, assign_map);
255  if (global_arst.empty() || mod->wire(global_arst) == nullptr)
256  continue;
257  std::vector<RTLIL::SigSig> arst_actions;
258  for (auto sync : proc_it.second->syncs)
259  if (sync->type == RTLIL::SyncType::STp || sync->type == RTLIL::SyncType::STn)
260  for (auto &act : sync->actions) {
261  RTLIL::SigSpec arst_sig, arst_val;
262  for (auto &chunk : act.first.chunks())
263  if (chunk.wire && chunk.wire->attributes.count("\\init")) {
264  RTLIL::SigSpec value = chunk.wire->attributes.at("\\init");
265  value.extend(chunk.wire->width, false);
266  arst_sig.append(chunk);
267  arst_val.append(value.extract(chunk.offset, chunk.width));
268  }
269  if (arst_sig.size()) {
270  log("Added global reset to process %s: %s <- %s\n",
271  proc_it.first.c_str(), log_signal(arst_sig), log_signal(arst_val));
272  arst_actions.push_back(RTLIL::SigSig(arst_sig, arst_val));
273  }
274  }
275  if (!arst_actions.empty()) {
276  RTLIL::SyncRule *sync = new RTLIL::SyncRule;
277  sync->type = global_arst_neg ? RTLIL::SyncType::ST0 : RTLIL::SyncType::ST1;
278  sync->signal = mod->wire(global_arst);
279  sync->actions = arst_actions;
280  proc_it.second->syncs.push_back(sync);
281  }
282  }
283  }
284  }
bool selected(T1 *module) const
Definition: rtlil.h:551
void log_header(const char *format,...)
Definition: log.cc:188
RTLIL::SyncType type
Definition: rtlil.h:1144
const char * log_signal(const RTLIL::SigSpec &sig, bool autoint)
Definition: log.cc:269
RTLIL::SigSpec signal
Definition: rtlil.h:1145
int size() const
Definition: rtlil.h:1019
SigMap assign_map
Definition: abc.cc:93
static std::string escape_id(std::string str)
Definition: rtlil.h:251
void proc_arst(RTLIL::Module *mod, RTLIL::Process *proc, SigMap &assign_map)
Definition: proc_arst.cc:156
std::vector< RTLIL::SigSig > actions
Definition: rtlil.h:1146
RTLIL::ObjRange< RTLIL::Module * > modules()
Definition: rtlil.cc:249
void log(const char *format,...)
Definition: log.cc:180
RTLIL::SigSpec extract(const RTLIL::SigSpec &pattern, const RTLIL::SigSpec *other=NULL) const
Definition: rtlil.cc:2414
void append(const RTLIL::SigSpec &signal)
Definition: rtlil.cc:2523
void extend(int width, bool is_signed=false)
Definition: rtlil.cc:2593
void extra_args(std::vector< std::string > args, size_t argidx, RTLIL::Design *design, bool select=true)
Definition: register.cc:128
std::pair< SigSpec, SigSpec > SigSig
Definition: rtlil.h:71

+ Here is the call graph for this function:

void Pass::extra_args ( std::vector< std::string >  args,
size_t  argidx,
RTLIL::Design design,
bool  select = true 
)
inherited

Definition at line 128 of file register.cc.

129 {
130  for (; argidx < args.size(); argidx++)
131  {
132  std::string arg = args[argidx];
133 
134  if (arg.substr(0, 1) == "-")
135  cmd_error(args, argidx, "Unknown option or option in arguments.");
136 
137  if (!select)
138  cmd_error(args, argidx, "Extra argument.");
139 
140  handle_extra_select_args(this, args, argidx, args.size(), design);
141  break;
142  }
143  // cmd_log_args(args);
144 }
void cmd_error(const std::vector< std::string > &args, size_t argidx, std::string msg)
Definition: register.cc:110
void handle_extra_select_args(Pass *pass, std::vector< std::string > args, size_t argidx, size_t args_size, RTLIL::Design *design)
Definition: select.cc:803

+ Here is the call graph for this function:

virtual void ProcArstPass::help ( )
inlinevirtual

Reimplemented from Pass.

Definition at line 206 of file proc_arst.cc.

207  {
208  // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
209  log("\n");
210  log(" proc_arst [-global_arst [!]<netname>] [selection]\n");
211  log("\n");
212  log("This pass identifies asynchronous resets in the processes and converts them\n");
213  log("to a different internal representation that is suitable for generating\n");
214  log("flip-flop cells with asynchronous resets.\n");
215  log("\n");
216  log(" -global_arst [!]<netname>\n");
217  log(" In modules that have a net with the given name, use this net as async\n");
218  log(" reset for registers that have been assign initial values in their\n");
219  log(" declaration ('reg foobar = constant_value;'). Use the '!' modifier for\n");
220  log(" active low reset signals. Note: the frontend stores the default value\n");
221  log(" in the 'init' attribute on the net.\n");
222  log("\n");
223  }
void log(const char *format,...)
Definition: log.cc:180

+ Here is the call graph for this function:

void Pass::init_register ( )
staticinherited

Definition at line 54 of file register.cc.

55 {
56  while (first_queued_pass) {
59  }
60 }
Pass * first_queued_pass
Definition: register.cc:31
Pass * next_queued_pass
Definition: register.h:60
virtual void run_register()
Definition: register.cc:48

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

void Pass::post_execute ( Pass::pre_post_exec_state_t  state)
inherited

Definition at line 84 of file register.cc.

85 {
86  int64_t time_ns = PerformanceTimer::query() - state.begin_ns;
87  runtime_ns += time_ns;
88  current_pass = state.parent_pass;
89  if (current_pass)
90  current_pass->runtime_ns -= time_ns;
91 }
static int64_t query()
Definition: log.h:151
int64_t runtime_ns
Definition: register.h:37
Pass * current_pass
Definition: register.cc:32
Pass * parent_pass
Definition: register.h:40
int64_t begin_ns
Definition: register.h:41

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

Pass::pre_post_exec_state_t Pass::pre_execute ( )
inherited

Definition at line 74 of file register.cc.

75 {
76  pre_post_exec_state_t state;
77  call_counter++;
78  state.begin_ns = PerformanceTimer::query();
79  state.parent_pass = current_pass;
80  current_pass = this;
81  return state;
82 }
static int64_t query()
Definition: log.h:151
Pass * current_pass
Definition: register.cc:32
int call_counter
Definition: register.h:36

+ Here is the call graph for this function:

+ Here is the caller graph for this function:

void Pass::run_register ( )
virtualinherited

Reimplemented in Backend, and Frontend.

Definition at line 48 of file register.cc.

49 {
50  log_assert(pass_register.count(pass_name) == 0);
51  pass_register[pass_name] = this;
52 }
std::string pass_name
Definition: register.h:29
#define log_assert(_assert_expr_)
Definition: log.h:85
std::map< std::string, Pass * > pass_register
Definition: register.cc:35

+ Here is the caller graph for this function:

Field Documentation

int Pass::call_counter
inherited

Definition at line 36 of file register.h.

Pass* Pass::next_queued_pass
inherited

Definition at line 60 of file register.h.

std::string Pass::pass_name
inherited

Definition at line 29 of file register.h.

int64_t Pass::runtime_ns
inherited

Definition at line 37 of file register.h.

std::string Pass::short_help
inherited

Definition at line 29 of file register.h.


The documentation for this struct was generated from the following file: