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Generate LPM for the CMP_EQ device.

This commit is contained in:
steve 2005-08-21 14:39:33 +00:00
parent 75eb372adf
commit 6828e3e2ea
1 changed files with 81 additions and 6 deletions
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87
tgt-edif/d-lpm.c
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@ -25,7 +25,7 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: d-lpm.c,v 1.1.2.1 2005/08/17 01:17:28 steve Exp $"
#ident "$Id: d-lpm.c,v 1.1.2.2 2005/08/21 14:39:33 steve Exp $"
#endif
/*
@ -558,6 +558,78 @@ static void lpm_show_dff(ivl_lpm_t net)
}
}
static void lpm_show_cmp_eq(ivl_lpm_t net)
{
edif_cell_t cell;
edif_cellref_t ref;
edif_joint_t jnt;
unsigned idx;
char cellname[32];
unsigned width = ivl_lpm_width(net);
sprintf(cellname, "compare%u_eq", width);
cell = edif_xlibrary_findcell(xlib, cellname);
if (cell == 0) {
unsigned pins = 2*width + 1;
cell = edif_xcell_create(xlib, strdup(cellname), pins);
/* Make the output port. */
sprintf(cellname, "AEB");
edif_cell_portconfig(cell, 2*width, strdup(cellname),
IVL_SIP_OUTPUT);
for (idx = 0 ; idx < width ; idx += 1) {
sprintf(cellname, "DataA%u", idx);
edif_cell_portconfig(cell, idx+0, strdup(cellname),
IVL_SIP_INPUT);
}
for (idx = 0 ; idx < width ; idx += 1) {
sprintf(cellname, "DataB%u", idx);
edif_cell_portconfig(cell, idx+width, strdup(cellname),
IVL_SIP_INPUT);
}
edif_cell_pstring(cell, "LPM_Type", "LPM_COMPARE");
edif_cell_pinteger(cell, "LPM_Width", width);
}
ref = edif_cellref_create(edf, cell);
for (idx = 0 ; idx < width ; idx += 1) {
unsigned pin;
sprintf(cellname, "DataA%u", idx);
pin = edif_cell_port_byname(cell, cellname);
jnt = edif_joint_of_nexus(edf, ivl_lpm_data(net, idx));
edif_add_to_joint(jnt, ref, pin);
}
for (idx = 0 ; idx < width ; idx += 1) {
unsigned pin;
sprintf(cellname, "DataB%u", idx);
pin = edif_cell_port_byname(cell, cellname);
jnt = edif_joint_of_nexus(edf, ivl_lpm_datab(net, idx));
edif_add_to_joint(jnt, ref, pin);
}
{
unsigned pin;
pin = edif_cell_port_byname(cell, "AEB");
jnt = edif_joint_of_nexus(edf, ivl_lpm_q(net, 0));
edif_add_to_joint(jnt, ref, pin);
}
}
static void lpm_show_mux(ivl_lpm_t net)
{
edif_cell_t cell;
@ -879,12 +951,12 @@ const struct device_s d_lpm_edif = {
lpm_show_header,
lpm_show_footer,
0,
0,
lpm_logic,
0, /* show_pad */
lpm_logic, /* show_logic */
lpm_show_dff, /* show_dff */
0,
0,
0,
lpm_show_cmp_eq, /* show_cmp_eq */
0, /* show_cmp_ne */
0, /* show_cmp_ge */
0, /* show_cmp_gt */
lpm_show_mux, /* show_mux */
lpm_show_add, /* show_add */
@ -897,6 +969,9 @@ const struct device_s d_lpm_edif = {
/*
* $Log: d-lpm.c,v $
* Revision 1.1.2.2 2005/08/21 14:39:33 steve
* Generate LPM for the CMP_EQ device.
*
* Revision 1.1.2.1 2005/08/17 01:17:28 steve
* Add the tgt-edif target.
*