riscv
/
yosys
mirror of https://github.com/YosysHQ/yosys.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Added 'assert-limit' option for 'select' command 

For resource limited designs such as FPGA it can be useful to specify limit of specific resources available on board. So user can check if he should change RTL as early as mapping done.
This commit is contained in:
eshellko 2016-07-01 10:24:22 +04:00 committed by GitHub
parent df5ebfa0a0
commit 9a742f4069
1 changed files with 42 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
passes/cmds/select.cc
View File

@ -988,6 +988,10 @@ struct SelectPass : public Pass {
log(" do not modify the current selection. instead assert that the given\n");
log(" selection contains exactly N objects.\n");
log("\n");
log(" -assert-limit N\n");
log(" do not modify the current selection. instead assert that the given\n");
log(" selection contains more than N objects.\n");
log("\n");
log(" -list\n");
log(" list all objects in the current selection\n");
log("\n");
@ -1168,6 +1172,7 @@ struct SelectPass : public Pass {
bool assert_none = false;
bool assert_any = false;
int assert_count = -1;
int assert_limit = -1;
std::string write_file, read_file;
std::string set_name, sel_str;
@ -1197,6 +1202,10 @@ struct SelectPass : public Pass {
assert_count = atoi(args[++argidx].c_str());
continue;
}
if (arg == "-assert-limit" && argidx+1 < args.size()) {
assert_limit = atoi(args[++argidx].c_str());
continue;
}
if (arg == "-clear") {
clear_mode = true;
continue;
@ -1273,13 +1282,13 @@ struct SelectPass : public Pass {
if (none_mode && args.size() != 2)
log_cmd_error("Option -none can not be combined with any other options.\n");
if (add_mode + del_mode + assert_none + assert_any + (assert_count >= 0) > 1)
log_cmd_error("Options -add, -del, -assert-none, -assert-any or -assert-count can not be combined.\n");
if (add_mode + del_mode + assert_none + assert_any + (assert_count >= 0) + (assert_limit >= 0) > 1)
log_cmd_error("Options -add, -del, -assert-none, -assert-any, assert-count or -assert-limit can not be combined.\n");
if ((list_mode || !write_file.empty() || count_mode) && (add_mode || del_mode || assert_none || assert_any || assert_count >= 0))
log_cmd_error("Options -list, -write and -count can not be combined with -add, -del, -assert-none, -assert-any or -assert-count.\n");
if ((list_mode || !write_file.empty() || count_mode) && (add_mode || del_mode || assert_none || assert_any || assert_count >= 0 || assert_limit >= 0))
log_cmd_error("Options -list, -write and -count can not be combined with -add, -del, -assert-none, -assert-any, assert-count, or -assert-limit.\n");
if (!set_name.empty() && (list_mode || !write_file.empty() || count_mode || add_mode || del_mode || assert_none || assert_any || assert_count >= 0))
if (!set_name.empty() && (list_mode || !write_file.empty() || count_mode || add_mode || del_mode || assert_none || assert_any || assert_count >= 0 || assert_limit >= 0))
log_cmd_error("Option -set can not be combined with -list, -write, -count, -add, -del, -assert-none, -assert-any or -assert-count.\n");
if (work_stack.size() == 0 && got_module) {
@ -1413,6 +1422,34 @@ struct SelectPass : public Pass {
return;
}
if (assert_limit >= 0)
{
int total_count = 0;
if (work_stack.size() == 0)
log_cmd_error("No selection to check.\n");
RTLIL::Selection *sel = &work_stack.back();
sel->optimize(design);
for (auto mod_it : design->modules_)
if (sel->selected_module(mod_it.first)) {
for (auto &it : mod_it.second->wires_)
if (sel->selected_member(mod_it.first, it.first))
total_count++;
for (auto &it : mod_it.second->memories)
if (sel->selected_member(mod_it.first, it.first))
total_count++;
for (auto &it : mod_it.second->cells_)
if (sel->selected_member(mod_it.first, it.first))
total_count++;
for (auto &it : mod_it.second->processes)
if (sel->selected_member(mod_it.first, it.first))
total_count++;
}
if (assert_limit < total_count)
log_error("Assertion failed: selection contains %d elements instead of the maximum number %d:%s\n",
total_count, assert_limit, sel_str.c_str());
return;
}
if (!set_name.empty())
{
if (work_stack.size() == 0)