luke
/
iverilog
mirror of https://github.com/steveicarus/iverilog.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Check width of constant attached to nexus.

This commit is contained in:
steve 2005-01-29 16:47:52 +00:00
parent 695718d691
commit 7625a6c3e7
1 changed files with 40 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
tgt-stub/stub.c
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: stub.c,v 1.102 2005/01/28 05:36:18 steve Exp $"
#ident "$Id: stub.c,v 1.103 2005/01/29 16:47:52 steve Exp $"
#endif
# include "config.h"
@ -633,6 +633,41 @@ static void show_event(ivl_event_t net)
}
}
static const char* str_tab[8] = {
"HiZ", "small", "medium", "weak",
"large", "pull", "strong", "supply"};
/*
* This function is used by the show_signal to dump a constant value
* that is connected to the signal. While we are here, check that the
* value is consistent with the signal itself.
*/
static void signal_nexus_const(ivl_signal_t sig,
ivl_nexus_ptr_t ptr,
ivl_net_const_t con)
{
const char*dr0 = str_tab[ivl_nexus_ptr_drive0(ptr)];
const char*dr1 = str_tab[ivl_nexus_ptr_drive1(ptr)];
const char*bits = ivl_const_bits(con);
unsigned idx, width = ivl_const_width(con);
fprintf(out, " const-");
for (idx = 0 ; idx < width ; idx += 1) {
fprintf(out, "%c", bits[width-idx-1]);
}
fprintf(out, " (%s0, %s1, width=%u)\n", dr0, dr1, width);
if (ivl_signal_width(sig) != width) {
fprintf(stderr, "ERROR: Width of signal does not match "
"width of connected constant vector.\n");
stub_errors += 1;
}
}
static void show_signal(ivl_signal_t net)
{
unsigned idx;
@ -699,10 +734,6 @@ static void show_signal(ivl_signal_t net)
ivl_signal_t sig;
ivl_nexus_ptr_t ptr = ivl_nexus_ptr(nex, idx);
static const char* str_tab[8] = {
"HiZ", "small", "medium", "weak",
"large", "pull", "strong", "supply"};
const char*dr0 = str_tab[ivl_nexus_ptr_drive0(ptr)];
const char*dr1 = str_tab[ivl_nexus_ptr_drive1(ptr)];
@ -737,12 +768,7 @@ static void show_signal(ivl_signal_t net)
ivl_lpm_basename(lpm), dr0, dr1);
} else if ((con = ivl_nexus_ptr_con(ptr))) {
const char*bits = ivl_const_bits(con);
unsigned pin = ivl_nexus_ptr_pin(ptr);
fprintf(out, " const-%c (%s0, %s1)\n",
bits[pin], dr0, dr1);
signal_nexus_const(net, ptr, con);
} else {
fprintf(out, " ?[%u] (%s0, %s1)\n",
@ -948,6 +974,9 @@ int target_design(ivl_design_t des)
/*
* $Log: stub.c,v $
* Revision 1.103 2005/01/29 16:47:52 steve
* Check width of constant attached to nexus.
*
* Revision 1.102 2005/01/28 05:36:18 steve
* Show the lpm_mult device.
*