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

Modpath is input to net, draw .modpath to account.

This commit is contained in:
steve 2006-10-01 23:51:15 +00:00
parent e1f712356f
commit 549f226c6e
1 changed files with 50 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
tgt-vvp/vvp_scope.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: vvp_scope.c,v 1.147 2006/09/23 04:57:19 steve Exp $"
#ident "$Id: vvp_scope.c,v 1.148 2006/10/01 23:51:15 steve Exp $"
#endif
# include "vvp_priv.h"
@ -39,6 +39,7 @@ struct vvp_nexus_data {
};
#define VVP_NEXUS_DATA_STR 0x0001
static struct vvp_nexus_data*new_nexus_data()
{
struct vvp_nexus_data*data = calloc(1, sizeof(struct vvp_nexus_data));
@ -670,6 +671,39 @@ static const char* draw_net_input_drive(ivl_nexus_t nex, ivl_nexus_ptr_t nptr)
return "C<z>";
}
static void draw_modpath(const char*label, const char*driver,
ivl_signal_t path_sig)
{
unsigned idx;
fprintf(vvp_out, "%s .modpath %s", label, driver);
for (idx = 0 ; idx < ivl_signal_npath(path_sig); idx += 1) {
ivl_delaypath_t path = ivl_signal_path(path_sig, idx);
ivl_nexus_t src = ivl_path_source(path);
const char*src_driver = draw_net_input(src);
fprintf(vvp_out, ",\n %s", src_driver);
fprintf(vvp_out,
" (%"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64")",
ivl_path_delay(path, IVL_PE_01),
ivl_path_delay(path, IVL_PE_10),
ivl_path_delay(path, IVL_PE_0z),
ivl_path_delay(path, IVL_PE_z1),
ivl_path_delay(path, IVL_PE_1z),
ivl_path_delay(path, IVL_PE_z0),
ivl_path_delay(path, IVL_PE_0x),
ivl_path_delay(path, IVL_PE_x1),
ivl_path_delay(path, IVL_PE_1x),
ivl_path_delay(path, IVL_PE_x0),
ivl_path_delay(path, IVL_PE_xz),
ivl_path_delay(path, IVL_PE_zx));
}
fprintf(vvp_out, ";\n");
}
/*
* This function draws the input to a net into a string. What that
* means is that it returns a static string that can be used to
@ -809,7 +843,18 @@ static char* draw_net_input_x(ivl_nexus_t nex,
it. Note that this will *not* work if the nexus is not a
TRI type nexus. */
if (ndrivers == 1 && res == IVL_SIT_TRI) {
nex_private = strdup(draw_net_input_drive(nex, drivers[0]));
ivl_signal_t path_sig = find_modpath(nex);
if (path_sig) {
char modpath_label[64];
snprintf(modpath_label, sizeof modpath_label,
"V_%p/m", path_sig);
draw_modpath(modpath_label,
draw_net_input_drive(nex, drivers[0]),
path_sig);
nex_private = strdup(modpath_label);
} else {
nex_private = strdup(draw_net_input_drive(nex, drivers[0]));
}
return nex_private;
}
@ -917,38 +962,6 @@ static void draw_reg_in_scope(ivl_signal_t sig)
vvp_mangle_name(ivl_signal_basename(sig)), msb, lsb);
}
static void draw_modpath(const char*label, const char*driver,
ivl_signal_t path_sig)
{
unsigned idx;
fprintf(vvp_out, "%s .modpath %s", label, driver);
for (idx = 0 ; idx < ivl_signal_npath(path_sig); idx += 1) {
ivl_delaypath_t path = ivl_signal_path(path_sig, idx);
ivl_nexus_t src = ivl_path_source(path);
const char*src_driver = draw_net_input(src);
fprintf(vvp_out, ",\n %s", src_driver);
fprintf(vvp_out,
" (%"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64
", %"PRIu64",%"PRIu64",%"PRIu64")",
ivl_path_delay(path, IVL_PE_01),
ivl_path_delay(path, IVL_PE_10),
ivl_path_delay(path, IVL_PE_0z),
ivl_path_delay(path, IVL_PE_z1),
ivl_path_delay(path, IVL_PE_1z),
ivl_path_delay(path, IVL_PE_z0),
ivl_path_delay(path, IVL_PE_0x),
ivl_path_delay(path, IVL_PE_x1),
ivl_path_delay(path, IVL_PE_1x),
ivl_path_delay(path, IVL_PE_x0),
ivl_path_delay(path, IVL_PE_xz),
ivl_path_delay(path, IVL_PE_zx));
}
fprintf(vvp_out, ";\n");
}
/*
* This function draws a net. This is a bit more complicated as we
@ -961,7 +974,6 @@ static void draw_net_in_scope(ivl_signal_t sig)
typedef const char*const_charp;
const char* arg;
const char* driver;
char modpath_label[64];
const char*datatype_flag = ivl_signal_signed(sig)? "/s" : "";
@ -989,18 +1001,6 @@ static void draw_net_in_scope(ivl_signal_t sig)
break;
}
/* If there are module delay paths, then we are going to need
a modpath node between the drivers and the net. the
path_sig is the signal that carries the paths. There should
be 0 or one of these. */
ivl_signal_t path_sig = find_modpath(ivl_signal_nex(sig));
if (path_sig) {
snprintf(modpath_label, sizeof modpath_label,
"V_%p/m", path_sig);
arg = modpath_label;
}
if (nex_data->net == 0) {
const char*vec8 = "";
if (nex_data->drivers_count > 1)
@ -1017,10 +1017,6 @@ static void draw_net_in_scope(ivl_signal_t sig)
nex_data->flags&VVP_NEXUS_DATA_STR?", strength-aware":"");
nex_data->net = sig;
if (path_sig) {
draw_modpath(modpath_label, driver, path_sig);
}
} else {
/* Detect that this is an alias of nex_data->net. Create
a different kind of node that refers to the alias
@ -2327,6 +2323,9 @@ int draw_scope(ivl_scope_t net, ivl_scope_t parent)
/*
* $Log: vvp_scope.c,v $
* Revision 1.148 2006/10/01 23:51:15 steve
* Modpath is input to net, draw .modpath to account.
*
* Revision 1.147 2006/09/23 04:57:19 steve
* Basic support for specify timing.
*