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modpath nodes need vpi expression handles 

Generate the code that attaches the VPI handle of the source and
destination to the modpath object.
This commit is contained in:
Stephen Williams 2007-11-05 19:59:27 -08:00
parent 5bcbd09ed9
commit 2fac019d9d
1 changed files with 24 additions and 1 deletions
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25
tgt-vvp/modpath.c
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@ -22,6 +22,26 @@
# include <stdlib.h>
# include <assert.h>
static ivl_signal_t find_path_source_port(ivl_delaypath_t path)
{
int idx;
ivl_nexus_t nex = ivl_path_source(path);
for (idx = 0 ; idx < ivl_nexus_ptrs(nex) ; idx += 1) {
ivl_nexus_ptr_t ptr = ivl_nexus_ptr(nex, idx);
ivl_signal_t sig = ivl_nexus_ptr_sig(ptr);
if (sig == 0)
continue;
if (ivl_signal_port(sig) == IVL_SIP_NONE)
continue;
/* XXXX Should check that the scope is right. */
return sig;
}
return 0;
}
/*
* Draw a .modpath record. The label is the label to use for this
* record. The driver is the label of the net that feeds into the
@ -52,7 +72,7 @@ static void draw_modpath_record(const char*label, const char*driver,
}
fprintf(vvp_out, " .scope S_%p;\n", ivl_path_scope(ivl_signal_path(path_sig,0)));
fprintf(vvp_out, "%s .modpath %s", label, driver);
fprintf(vvp_out, "%s .modpath %s v%p_0", label, driver, path_sig);
for (idx = 0 ; idx < ivl_signal_npath(path_sig); idx += 1) {
ivl_delaypath_t path = ivl_signal_path(path_sig, idx);
@ -83,6 +103,9 @@ static void draw_modpath_record(const char*label, const char*driver,
}
fprintf(vvp_out, ")");
ivl_signal_t src_sig = find_path_source_port(path);
fprintf(vvp_out, " v%p_0", src_sig);
}
fprintf(vvp_out, ";\n");