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Generate LPM_FF devices.

This commit is contained in:
steve 2003-08-09 02:40:50 +00:00
parent 63fb5ea03c
commit fbe6fc315b
1 changed files with 83 additions and 2 deletions
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85
tgt-fpga/d-lpm.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: d-lpm.c,v 1.2 2003/08/07 05:18:04 steve Exp $"
#ident "$Id: d-lpm.c,v 1.3 2003/08/09 02:40:50 steve Exp $"
#endif
/*
@ -339,6 +339,84 @@ static void lpm_logic(ivl_net_logic_t net)
}
}
static void lpm_show_dff(ivl_lpm_t net)
{
char name[64];
edif_cell_t cell;
edif_cellref_t ref;
edif_joint_t jnt;
unsigned idx;
unsigned pin, wid = ivl_lpm_width(net);
sprintf(name, "fd%s%u", ivl_lpm_enable(net)? "ce" : "", wid);
cell = edif_xlibrary_findcell(xlib, name);
if (cell == 0) {
unsigned nports = 2 * wid + 1;
pin = 0;
if (ivl_lpm_enable(net))
nports += 1;
cell = edif_xcell_create(xlib, strdup(name), nports);
edif_cell_pstring(cell, "LPM_Type", "LPM_FF");
edif_cell_pinteger(cell, "LPM_Width", wid);
for (idx = 0 ; idx < wid ; idx += 1) {
sprintf(name, "Q%u", idx);
edif_cell_portconfig(cell, idx*2+0, strdup(name),
IVL_SIP_OUTPUT);
sprintf(name, "Data%u", idx);
edif_cell_portconfig(cell, idx*2+1, strdup(name),
IVL_SIP_INPUT);
}
pin = wid*2;
if (ivl_lpm_enable(net)) {
edif_cell_portconfig(cell, pin, "Enable", IVL_SIP_INPUT);
pin += 1;
}
edif_cell_portconfig(cell, pin, "Clock", IVL_SIP_INPUT);
pin += 1;
assert(pin == nports);
}
ref = edif_cellref_create(edf, cell);
pin = edif_cell_port_byname(cell, "Clock");
jnt = edif_joint_of_nexus(edf, ivl_lpm_clk(net));
edif_add_to_joint(jnt, ref, pin);
if (ivl_lpm_enable(net)) {
pin = edif_cell_port_byname(cell, "Enable");
jnt = edif_joint_of_nexus(edf, ivl_lpm_enable(net));
edif_add_to_joint(jnt, ref, pin);
}
for (idx = 0 ; idx < wid ; idx += 1) {
sprintf(name, "Q%u", idx);
pin = edif_cell_port_byname(cell, name);
jnt = edif_joint_of_nexus(edf, ivl_lpm_q(net, idx));
edif_add_to_joint(jnt, ref, pin);
sprintf(name, "Data%u", idx);
pin = edif_cell_port_byname(cell, name);
jnt = edif_joint_of_nexus(edf, ivl_lpm_data(net, idx));
edif_add_to_joint(jnt, ref, pin);
}
}
static void lpm_show_mux(ivl_lpm_t net)
{
edif_cell_t cell;
@ -509,7 +587,7 @@ const struct device_s d_lpm_edif = {
0,
0,
lpm_logic,
0, /* show_dff */
lpm_show_dff, /* show_dff */
0,
0,
0,
@ -522,6 +600,9 @@ const struct device_s d_lpm_edif = {
/*
* $Log: d-lpm.c,v $
* Revision 1.3 2003/08/09 02:40:50 steve
* Generate LPM_FF devices.
*
* Revision 1.2 2003/08/07 05:18:04 steve
* Add support for OR/NOR/bufif0/bufif1.
*