Add support for vpi_put_value for vpiBit

vvp/vpi_bit.cc

@@ -97,8 +97,6 @@ static int bit_get(int code, vpiHandle ref)
 	case vpiVector:  // A bit is not a vector
 	    return 0;
 
-// FIXME: Do we need a _vpiFromThr or _vpiNexusID case?
-
 	default:
 	    fprintf(stderr, "VPI error: unknown bit_get property %d.\n",
 	            code);
@@ -192,16 +190,11 @@ static vpiHandle bit_put_value(vpiHandle ref, s_vpi_value*vp, int flags)
 {
       struct __vpiBit*rfp = bit_from_handle(ref);
       assert(rfp);
-      (void) vp;
-      (void) flags;
 
-      fprintf(stderr, "Sorry: vpi_put_value() for %s type %s is not "
+      struct __vpiSignal*parent = rfp->get_parent();
-                      "implemented\n", vpi_get_str(vpiFullName, ref),
+      assert(parent);
-                      vpi_get_str(vpiType, ref));
 
-      // FIXME: Put the value to the net or reg bit.
+      return parent->put_bit_value(rfp, vp, flags);
-
-      return ref;
 }
 
 
@@ -231,6 +224,7 @@ vpiHandle __vpiBit::as_bit_t::vpi_put_value(p_vpi_value val, int flags)
 vpiHandle __vpiBit::as_bit_t::vpi_handle(int code)
 { return bit_get_handle(code, this); }
 
+// FIXME: How are delayed put values handled?
 //vpiHandle __vpiBit::as_bit_t::vpi_iterate(int code) // FIXME: Is this needed?
 //{ return bit_iterate(code, this); }
 

vvp/vpi_priv.h

@@ -346,6 +346,7 @@ struct __vpiSignal : public __vpiHandle {
       unsigned width() const;
       vpiHandle get_index(int index);
       void get_bit_value(struct __vpiBit*bit, p_vpi_value vp);
+      vpiHandle put_bit_value(struct __vpiBit*bit, p_vpi_value vp, int flags);
       void make_bits();
 
       struct __vpiBit*bits;

vvp/vpi_signal.cc

@@ -780,6 +780,32 @@ void __vpiSignal::get_bit_value(struct __vpiBit*bit, p_vpi_value vp)
       };
 }
 
+vpiHandle __vpiSignal::put_bit_value(struct __vpiBit*bit, p_vpi_value vp, int flags)
+{
+      unsigned index = bit->get_norm_index();
+      vvp_net_ptr_t dest(node, 0);
+      vvp_vector4_t val = vec4_from_vpi_value(vp, 1);
+
+      if ((flags == vpiForceFlag) || (flags == vpiReleaseFlag)) {
+	    fprintf(stderr, "Sorry: vpi_put_value() for %s does not "
+	                    "currently support force/release.\n",
+	                    bit->as_bit.vpi_get_str(vpiFullName));
+	    return NULL;
+      }
+
+      if ((get_type_code() == vpiNet) &&
+          !dynamic_cast<vvp_island_port*>(node->fun)) {
+	    node->send_vec4_pv(val, index, 1, width(),
+	                            vthread_get_wt_context());
+      } else {
+	    vvp_send_vec4_pv(dest, val, index, 1, width(),
+	                     vthread_get_wt_context());
+      }
+
+	// This is not a scheduled event so there is no event to return
+      return NULL;
+}
+
 static vpiHandle signal_index(int idx, vpiHandle ref)
 {
       struct __vpiSignal*rfp = dynamic_cast<__vpiSignal*>(ref);