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Release of nets needs to force propagation 

When releasing a net, the release method must force that the
filter propagate the released value to the output. Use the
needs_init_ flag to do that force.
This commit is contained in:
Stephen Williams 2009-09-24 18:57:15 -07:00
parent b0d5a3b8a2
commit 18d7a7f859
1 changed files with 7 additions and 2 deletions
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9
vvp/vvp_net_sig.cc
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@ -710,6 +710,7 @@ void vvp_wire_vec4::release(vvp_net_ptr_t ptr, bool net_flag)
vvp_vector2_t mask (vvp_vector2_t::FILL1, bits4_.size());
release_mask(mask);
if (net_flag) {
needs_init_ = ! force4_ .eeq(bits4_);
ptr.ptr()->send_vec4(bits4_, 0);
run_vpi_callbacks();
} else {
@ -728,6 +729,7 @@ void vvp_wire_vec4::release_pv(vvp_net_ptr_t ptr, unsigned base, unsigned wid, b
release_mask(mask);
if (net_flag) {
needs_init_ = ! force4_.subvalue(base,wid) .eeq(bits4_.subvalue(base,wid));
ptr.ptr()->send_vec4_pv(bits4_.subvalue(base,wid),
base, wid, bits4_.size(), 0);
run_vpi_callbacks();
@ -843,10 +845,12 @@ void vvp_wire_vec8::release(vvp_net_ptr_t ptr, bool net_flag)
// Wires revert to their unforced value after release.
vvp_vector2_t mask (vvp_vector2_t::FILL1, bits8_.size());
release_mask(mask);
if (net_flag)
if (net_flag) {
needs_init_ = !force8_ .eeq(bits8_);
ptr.ptr()->send_vec8(bits8_);
else
} else {
ptr.ptr()->fun->recv_vec8(ptr, force8_);
}
}
void vvp_wire_vec8::release_pv(vvp_net_ptr_t ptr, unsigned base, unsigned wid, bool net_flag)
@ -860,6 +864,7 @@ void vvp_wire_vec8::release_pv(vvp_net_ptr_t ptr, unsigned base, unsigned wid, b
release_mask(mask);
if (net_flag) {
needs_init_ = !force8_.subvalue(base,wid) .eeq((bits8_.subvalue(base,wid)));
ptr.ptr()->send_vec8_pv(bits8_.subvalue(base,wid),
base, wid, bits8_.size());
run_vpi_callbacks();