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Ducument lxt2 access.

This commit is contained in:
steve 2003-12-07 20:05:56 +00:00
parent df968687e4
commit 4c8c14ceec
2 changed files with 14 additions and 4 deletions
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7
vvp/vpi_tasks.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#ifdef HAVE_CVS_IDENT #ifdef HAVE_CVS_IDENT
#ident "$Id: vpi_tasks.cc,v 1.24 2003/06/18 00:54:28 steve Exp $" #ident "$Id: vpi_tasks.cc,v 1.25 2003/12/07 20:05:56 steve Exp $"
#endif #endif
/* /*
@ -95,7 +95,7 @@ static char *systask_get_str(int type, vpiHandle ref)
assert((ref->vpi_type->type_code == vpiSysTaskCall) assert((ref->vpi_type->type_code == vpiSysTaskCall)
|| (ref->vpi_type->type_code == vpiSysFuncCall)); || (ref->vpi_type->type_code == vpiSysFuncCall));
char *bn = rfp->defn->info.tfname; const char *bn = rfp->defn->info.tfname;
char *rbuf = need_result_buf(strlen(bn) + 1, RBUF_STR); char *rbuf = need_result_buf(strlen(bn) + 1, RBUF_STR);
switch (type) { switch (type) {
@ -487,6 +487,9 @@ void* vpi_get_userdata(vpiHandle ref)
/* /*
* $Log: vpi_tasks.cc,v $ * $Log: vpi_tasks.cc,v $
* Revision 1.25 2003/12/07 20:05:56 steve
* Ducument lxt2 access.
*
* Revision 1.24 2003/06/18 00:54:28 steve * Revision 1.24 2003/06/18 00:54:28 steve
* Account for all 64 bits in results of $time. * Account for all 64 bits in results of $time.
* *

11
vvp/vvp.man
View File

@ -1,4 +1,4 @@
.TH vvp 1 "$Date: 2003/03/06 20:04:42 $" Version "$Date: 2003/03/06 20:04:42 $" .TH vvp 1 "$Date: 2003/12/07 20:05:56 $" Version "$Date: 2003/12/07 20:05:56 $"
.SH NAME .SH NAME
vvp - Icarus Verilog vvp runtime engine vvp - Icarus Verilog vvp runtime engine
@ -84,13 +84,20 @@ the expense of some file size.
The \fB-lxt-none\fP variant actually suppresses all waveform The \fB-lxt-none\fP variant actually suppresses all waveform
output. This can make long simulations run faster. output. This can make long simulations run faster.
.TP 8
.B -lxt2
The LXT2 format is slower then LXT (faster then VCD) but takes less
space, and is written out incrementally. Thus, you can view lxt2 files
while a simulation is still running (or paused) or if your simulation
crashes or is killed, you still have a useful dump.
.SH ENVIRONMENT .SH ENVIRONMENT
.PP .PP
The vvp command also accepts some environment variables that control The vvp command also accepts some environment variables that control
its behavior. These can be used to make semi-permanent changes. its behavior. These can be used to make semi-permanent changes.
.TP 8 .TP 8
.B IVERILOG_DUMPER=\fIlxt|vcd|none\fP .B IVERILOG_DUMPER=\fIlxt|lxt2|vcd|none\fP
This selects the output format for the waveform output. Normally, This selects the output format for the waveform output. Normally,
waveforms are dumped in vcd format, but this variable can be used to waveforms are dumped in vcd format, but this variable can be used to
select lxt format, which is far more compact, though limited to select lxt format, which is far more compact, though limited to