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Update bufz to nexus style.

This commit is contained in:
steve 2000-03-18 02:26:02 +00:00
parent 567de6ba39
commit 80bd855329
3 changed files with 57 additions and 16 deletions
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25
t-vvm.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-vvm.cc,v 1.116 2000/03/18 01:26:59 steve Exp $"
#ident "$Id: t-vvm.cc,v 1.117 2000/03/18 02:26:02 steve Exp $"
#endif
# include <iostream>
@ -1366,12 +1366,24 @@ void target_vvm::logic(ostream&os, const NetLogic*gate)
void target_vvm::bufz(ostream&os, const NetBUFZ*gate)
{
string outfun = defn_gate_outputfun_(os, gate, 0);
string mname = mangle(gate->name());
string nexus;
unsigned ncode;
os << "static vvm_bufz " << mangle(gate->name()) << "(&" <<
outfun << ");" << endl;
os << "static vvm_bufz " << mname << ";" << endl;
nexus = nexus_from_link(&gate->pin(0));
ncode = nexus_wire_map[nexus];
init_code << " nexus_wire_table["<<ncode<<"].connect(&" <<
mname << ");" << endl;
nexus = nexus_from_link(&gate->pin(1));
ncode = nexus_wire_map[nexus];
init_code << " nexus_wire_table["<<ncode<<"].connect(&" <<
mname << ",0);" << endl;
emit_gate_outputfun_(gate, 0);
}
static string state_to_string(unsigned state, unsigned npins)
@ -2280,6 +2292,9 @@ extern const struct target tgt_vvm = {
};
/*
* $Log: t-vvm.cc,v $
* Revision 1.117 2000/03/18 02:26:02 steve
* Update bufz to nexus style.
*
* Revision 1.116 2000/03/18 01:26:59 steve
* Generate references into a table of nexus objects instead of
* generating lots of isolated nexus objects. Easier on linkers

22
vvm/vvm_gates.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: vvm_gates.cc,v 1.10 2000/03/18 01:27:00 steve Exp $"
#ident "$Id: vvm_gates.cc,v 1.11 2000/03/18 02:26:02 steve Exp $"
#endif
# include "vvm_gates.h"
@ -169,6 +169,23 @@ void vvm_bufif1::take_value(unsigned key, vpip_bit_t val)
else output(input_[0]);
}
vvm_bufz::vvm_bufz()
{
}
vvm_bufz::~vvm_bufz()
{
}
void vvm_bufz::init(unsigned, vpip_bit_t)
{
}
void vvm_bufz::take_value(unsigned, vpip_bit_t val)
{
set_value(val);
}
vvm_eeq::vvm_eeq(unsigned long d)
: vvm_1bit_out(d)
{
@ -258,6 +275,9 @@ void vvm_not::take_value(unsigned, vpip_bit_t val)
/*
* $Log: vvm_gates.cc,v $
* Revision 1.11 2000/03/18 02:26:02 steve
* Update bufz to nexus style.
*
* Revision 1.10 2000/03/18 01:27:00 steve
* Generate references into a table of nexus objects instead of
* generating lots of isolated nexus objects. Easier on linkers

26
vvm/vvm_gates.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#if !defined(WINNT) && !defined(macintosh)
#ident "$Id: vvm_gates.h,v 1.46 2000/03/18 01:27:00 steve Exp $"
#ident "$Id: vvm_gates.h,v 1.47 2000/03/18 02:26:02 steve Exp $"
#endif
# include "vvm.h"
@ -723,19 +723,22 @@ template <unsigned WIDTH> class vvm_udp_ssequ {
vpip_bit_t state_[WIDTH+1];
};
class vvm_bufz {
/*
* The bufz is a trivial device that simply passes its input to its
* output. Unlike a buf devince, this does not change Vz values to Vx,
* it instead passes the Vz unaltered.
*
* This device is useful for isolating nets.
*/
class vvm_bufz : public vvm_nexus::recvr_t, public vvm_nexus::drive_t {
public:
explicit vvm_bufz(vvm_out_event::action_t o)
: output_(o)
{ }
explicit vvm_bufz();
~vvm_bufz();
void init(unsigned idx, vpip_bit_t val) { }
void set(unsigned idx, vpip_bit_t val)
{ output_(val); }
void init(unsigned idx, vpip_bit_t val);
private:
vvm_out_event::action_t output_;
void take_value(unsigned, vpip_bit_t val);
};
/*
@ -814,6 +817,9 @@ template <unsigned WIDTH> class vvm_pevent : public vvm_nexus::recvr_t {
/*
* $Log: vvm_gates.h,v $
* Revision 1.47 2000/03/18 02:26:02 steve
* Update bufz to nexus style.
*
* Revision 1.46 2000/03/18 01:27:00 steve
* Generate references into a table of nexus objects instead of
* generating lots of isolated nexus objects. Easier on linkers