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icestorm
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Add "icetime -N"

This commit is contained in:
Clifford Wolf 2017-02-26 11:45:54 +01:00
parent ce4e1bcfd8
commit 7d98cd82f9
1 changed files with 13 additions and 2 deletions
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15
icetime/icetime.cc
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@ -1892,6 +1892,9 @@ void help(const char *cmd)
printf(" -T <net_name>\n");
printf(" print a timing report for the specified net\n");
printf("\n");
printf(" -N\n");
printf(" list valid net names for -T <net_name>\n");
printf("\n");
printf(" -c <Mhz>\n");
printf(" check timing estimate against clock constraint\n");
printf("\n");
@ -1903,13 +1906,14 @@ void help(const char *cmd)
int main(int argc, char **argv)
{
bool listnets = false;
bool print_timing = false;
bool interior_timing = false;
double clock_constr = 0;
std::vector<std::string> print_timing_nets;
int opt;
while ((opt = getopt(argc, argv, "p:P:g:o:r:j:d:mitT:vc:C:")) != -1)
while ((opt = getopt(argc, argv, "p:P:g:o:r:j:d:mitT:Nvc:C:")) != -1)
{
switch (opt)
{
@ -1964,6 +1968,9 @@ int main(int argc, char **argv)
case 'T':
print_timing_nets.push_back(optarg);
break;
case 'N':
listnets = true;
break;
case 'c':
clock_constr = strtod(optarg, NULL);
break;
@ -2219,7 +2226,7 @@ device_chip_mismatch:
if (fjson)
fprintf(fjson, "[\n");
if (print_timing || !print_timing_nets.empty())
if (print_timing || listnets || !print_timing_nets.empty())
{
TimingAnalysis ta(interior_timing);
@ -2243,6 +2250,10 @@ device_chip_mismatch:
if (print_timing)
max_path_delay = ta.report();
if (listnets)
for (auto &it : ta.net_max_path_delay)
fprintf(frpt, "%s\n", it.first.c_str());
}
else
{