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Support DFF CE inputs.

This commit is contained in:
steve 2001-08-31 22:58:39 +00:00
parent c507379f09
commit e79a371f76
4 changed files with 31 additions and 6 deletions
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7
ivl_target.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: ivl_target.h,v 1.78 2001/08/28 04:07:17 steve Exp $" #ident "$Id: ivl_target.h,v 1.79 2001/08/31 22:58:39 steve Exp $"
#endif #endif
#ifdef __cplusplus #ifdef __cplusplus
@ -541,7 +541,7 @@ extern unsigned ivl_lpm_width(ivl_lpm_t net);
/* IVL_LPM_FF IVL_LPM_RAM */ /* IVL_LPM_FF IVL_LPM_RAM */
extern ivl_nexus_t ivl_lpm_clk(ivl_lpm_t net); extern ivl_nexus_t ivl_lpm_clk(ivl_lpm_t net);
/* IVL_LPM_RAM */ /* IVL_LPM_FF IVL_LPM_RAM */
extern ivl_nexus_t ivl_lpm_enable(ivl_lpm_t net); extern ivl_nexus_t ivl_lpm_enable(ivl_lpm_t net);
/* IVL_LPM_ADD IVL_LPM_FF IVL_LPM_MULT IVL_LPM_RAM IVL_LPM_SUB */ /* IVL_LPM_ADD IVL_LPM_FF IVL_LPM_MULT IVL_LPM_RAM IVL_LPM_SUB */
extern ivl_nexus_t ivl_lpm_data(ivl_lpm_t net, unsigned idx); extern ivl_nexus_t ivl_lpm_data(ivl_lpm_t net, unsigned idx);
@ -944,6 +944,9 @@ _END_DECL
/* /*
* $Log: ivl_target.h,v $ * $Log: ivl_target.h,v $
* Revision 1.79 2001/08/31 22:58:39 steve
* Support DFF CE inputs.
*
* Revision 1.78 2001/08/28 04:07:17 steve * Revision 1.78 2001/08/28 04:07:17 steve
* Add some ivl_target convenience functions. * Add some ivl_target convenience functions.
* *

6
t-dll-api.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-dll-api.cc,v 1.64 2001/08/28 04:07:18 steve Exp $" #ident "$Id: t-dll-api.cc,v 1.65 2001/08/31 22:58:40 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -506,6 +506,7 @@ extern "C" ivl_nexus_t ivl_lpm_enable(ivl_lpm_t net)
assert(net); assert(net);
switch (net->type) { switch (net->type) {
case IVL_LPM_RAM: case IVL_LPM_RAM:
case IVL_LPM_FF:
return net->u_.ff.we; return net->u_.ff.we;
default: default:
assert(0); assert(0);
@ -1351,6 +1352,9 @@ extern "C" ivl_statement_t ivl_stmt_sub_stmt(ivl_statement_t net)
/* /*
* $Log: t-dll-api.cc,v $ * $Log: t-dll-api.cc,v $
* Revision 1.65 2001/08/31 22:58:40 steve
* Support DFF CE inputs.
*
* Revision 1.64 2001/08/28 04:07:18 steve * Revision 1.64 2001/08/28 04:07:18 steve
* Add some ivl_target convenience functions. * Add some ivl_target convenience functions.
* *

17
t-dll.cc
View File

@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-dll.cc,v 1.58 2001/08/28 04:07:41 steve Exp $" #ident "$Id: t-dll.cc,v 1.59 2001/08/31 22:58:39 steve Exp $"
#endif #endif
# include "config.h" # include "config.h"
@ -922,6 +922,18 @@ void dll_target::lpm_ff(const NetFF*net)
assert(obj->u_.ff.clk); assert(obj->u_.ff.clk);
nexus_lpm_add(obj->u_.ff.clk, obj, 0, IVL_DR_HiZ, IVL_DR_HiZ); nexus_lpm_add(obj->u_.ff.clk, obj, 0, IVL_DR_HiZ, IVL_DR_HiZ);
/* If there is a clock enable, then connect it up to the FF
device. */
if (net->pin_Enable().is_linked()) {
nex = net->pin_Enable().nexus();
assert(nex->t_cookie());
obj->u_.ff.we = (ivl_nexus_t) nex->t_cookie();
assert(obj->u_.ff.we);
nexus_lpm_add(obj->u_.ff.we, obj, 0, IVL_DR_HiZ, IVL_DR_HiZ);
} else {
obj->u_.ff.we = 0;
}
if (obj->u_.ff.width == 1) { if (obj->u_.ff.width == 1) {
nex = net->pin_Q(0).nexus(); nex = net->pin_Q(0).nexus();
assert(nex->t_cookie()); assert(nex->t_cookie());
@ -1486,6 +1498,9 @@ extern const struct target tgt_dll = { "dll", &dll_target_obj };
/* /*
* $Log: t-dll.cc,v $ * $Log: t-dll.cc,v $
* Revision 1.59 2001/08/31 22:58:39 steve
* Support DFF CE inputs.
*
* Revision 1.58 2001/08/28 04:07:41 steve * Revision 1.58 2001/08/28 04:07:41 steve
* Add some ivl_target convenience functions. * Add some ivl_target convenience functions.
* *

7
t-dll.h
View File

@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) && !defined(macintosh) #if !defined(WINNT) && !defined(macintosh)
#ident "$Id: t-dll.h,v 1.61 2001/08/28 04:07:41 steve Exp $" #ident "$Id: t-dll.h,v 1.62 2001/08/31 22:58:40 steve Exp $"
#endif #endif
# include "target.h" # include "target.h"
@ -242,7 +242,7 @@ struct ivl_lpm_s {
unsigned short width; unsigned short width;
unsigned short swid; // ram only unsigned short swid; // ram only
ivl_nexus_t clk; ivl_nexus_t clk;
ivl_nexus_t we; // ram only ?? ivl_nexus_t we;
union { union {
ivl_nexus_t*pins; ivl_nexus_t*pins;
ivl_nexus_t pin; ivl_nexus_t pin;
@ -562,6 +562,9 @@ struct ivl_statement_s {
/* /*
* $Log: t-dll.h,v $ * $Log: t-dll.h,v $
* Revision 1.62 2001/08/31 22:58:40 steve
* Support DFF CE inputs.
*
* Revision 1.61 2001/08/28 04:07:41 steve * Revision 1.61 2001/08/28 04:07:41 steve
* Add some ivl_target convenience functions. * Add some ivl_target convenience functions.
* *