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Support default dumpfiles.

This commit is contained in:
steve 2001-01-22 20:58:31 +00:00
parent 4e44515078
commit 53dfdacce8
1 changed files with 48 additions and 35 deletions
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81
vpi/sys_vcd.c
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: sys_vcd.c,v 1.14 2001/01/01 08:10:35 steve Exp $"
#ident "$Id: sys_vcd.c,v 1.15 2001/01/22 20:58:31 steve Exp $"
#endif
/*
@ -216,6 +216,41 @@ static int sys_dumpall_calltf(char*name)
return 0;
}
static void open_dumpfile(const char*path)
{
if (dump_file == 0) {
vpi_printf("ERROR: Unable to open %s for output.\n", path);
return;
} else {
int prec = vpi_get(vpiTimePrecision, 0);
unsigned scale = 1;
unsigned udx = 0;
time_t walltime;
time(&walltime);
assert(prec >= -15);
while (prec < 0) {
udx += 1;
prec += 3;
}
while (prec > 0) {
scale *= 10;
prec -= 1;
}
fprintf(dump_file, "$date\n");
fprintf(dump_file, "\t%s",asctime(localtime(&walltime)));
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$version\n");
fprintf(dump_file, "\tIcarus Verilog\n");
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$timescale\n");
fprintf(dump_file, "\t%u%s\n", scale, units_names[udx]);
fprintf(dump_file, "$end\n");
}
}
static int sys_dumpfile_calltf(char*name)
{
char*path;
@ -248,38 +283,7 @@ static int sys_dumpfile_calltf(char*name)
}
assert(dump_file == 0);
dump_file = fopen(path, "w");
if (dump_file == 0) {
vpi_printf("ERROR: Unable to open %s for output.\n", path);
return 0;
} else {
int prec = vpi_get(vpiTimePrecision, 0);
unsigned scale = 1;
unsigned udx = 0;
time_t walltime;
time(&walltime);
assert(prec >= -15);
while (prec < 0) {
udx += 1;
prec += 3;
}
while (prec > 0) {
scale *= 10;
prec -= 1;
}
fprintf(dump_file, "$date\n");
fprintf(dump_file, "\t%s",asctime(localtime(&walltime)));
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$version\n");
fprintf(dump_file, "\tIcarus Verilog\n");
fprintf(dump_file, "$end\n");
fprintf(dump_file, "$timescale\n");
fprintf(dump_file, "\t%u%s\n", scale, units_names[udx]);
fprintf(dump_file, "$end\n");
}
open_dumpfile(path);
free(path);
@ -367,9 +371,15 @@ static int sys_dumpvars_calltf(char*name)
}
if (dump_file == 0) {
vpi_printf("ERROR: %s called but no dumpfile is opened.\n", name);
vpi_printf("warning: %s caused default dumpfile "
"dumpfile.vcd to be opened.\n", name);
open_dumpfile("dumpfile.vcd");
if (dump_file == 0) {
vpi_printf("error: Unable to open "
"dumpfile.vcd for output.\n");
return 0;
}
}
item = vpi_scan(argv);
switch (vpi_get(vpiType, item)) {
@ -432,6 +442,9 @@ void sys_vcd_register()
/*
* $Log: sys_vcd.c,v $
* Revision 1.15 2001/01/22 20:58:31 steve
* Support default dumpfiles.
*
* Revision 1.14 2001/01/01 08:10:35 steve
* Handle function scopes in dumpvars scn (PR#95)
*