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fix techgen and update ext file to latest magic rev
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@rmanohar
rmanohar committed Sep 4, 2021
1 parent 9ec4773 commit 829d293
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Showing 2 changed files with 130 additions and 27 deletions.
121 changes: 99 additions & 22 deletions common/ext.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -768,12 +768,9 @@ struct ext_file *ext_read (const char *name)
l = lex_restring (l, buf);
lex_getsym (l);
if (lex_have_keyw (l, "scale")) {
rscale = lex_integer (l);
lex_mustbe (l, l_integer);
cscale = lex_integer (l);
lex_mustbe (l, l_integer);
lscale = lex_integer (l)*1e-8;
lex_mustbe (l, l_integer);
rscale = lex_mustbe_number (l);
cscale = lex_mustbe_number (l);
lscale = lex_mustbe_number (l)*1e-8;
}
else if (lex_have_keyw (l, "use")) {
int i;
Expand Down Expand Up @@ -842,6 +839,84 @@ struct ext_file *ext_read (const char *name)
ext->subcells = subcell;
subcell->ext = ext_read (subcell->file);
}
else if (lex_have_keyw (l, "device")) {
if (lex_have_keyw (l, "mosfet")) {
double gperim, t1perim, t2perim;
int dev;

MALLOC (fet, struct ext_fets, 1);
if (device_names) {
for (dev = 0; dev < num_devices; dev++) {
if (lex_have_keyw (l, device_names[dev])) {
break;
}
}
if (dev == num_devices) {
fatal_error ("fet %s: unknown device type at %s:%d\n",
lex_tokenstring (l), name, line);
}
fet->type = dev;
}
else {
if (lex_have_keyw (l, "nfet"))
fet->type = EXT_FET_NTYPE;
else {
lex_mustbe_keyw (l, "pfet");
fet->type = EXT_FET_PTYPE;
}
}
/* coordinates; ignore */
lex_mustbe_number (l); lex_mustbe_number (l); lex_mustbe_number (l);
lex_mustbe_number (l);

double dim1, dim2;

dim1 = lex_mustbe_number (l)*lscale;
dim2 = lex_mustbe_number (l)*lscale;

/* substrate */
fet->sub = Strdup (lex_mustbe_string_id (l, name, line));

/* gate */
fet->g = Strdup(lex_mustbe_string_id (l, name, line));

gperim = lex_mustbe_number (l)*lscale; /* convert to SI units */
fet->isweak = 0;
if (strcmp (lex_tokenstring(l), "0") == 0)
lex_getsym (l);
else
do {
lex_mustbe (l, l_string);
if (strcmp (lex_prev(l), "\"weak\"") == 0)
fet->isweak = 1;
} while (lex_have (l,l_comma));

/* t1 */
fet->t1 = Strdup(lex_mustbe_string_id (l, name, line));
t1perim = lex_mustbe_number (l)*lscale; /* convert to SI units */
if (strcmp (lex_tokenstring (l), "0") == 0)
lex_getsym (l);
else
do lex_mustbe (l, l_string); while (lex_have (l,l_comma));

/* t2 */
fet->t2 = lex_shouldbe_string_id (l);
if (!fet->t2) {
fatal_error ("fet in layout does not have enough terminals; t=%s; gate=%s", fet->t1, fet->g);
}
fet->t2 = Strdup(fet->t2);
t2perim = lex_mustbe_number (l)*lscale; /* convert to SI unitS
*/

fet->width = (t1perim + 0.0 + t2perim)/2;
fet->length = (gperim + 0.0)/2;

//if (fet->length < 2) { fet->length = 2; }
fet->next = ext->fet;
ext->fet = fet;
}
/* XXX: other devices ignored right now */
}
else if (lex_have_keyw (l, "fet")) {
double gperim, t1perim, t2perim;
int dev;
Expand Down Expand Up @@ -936,24 +1011,26 @@ struct ext_file *ext_read (const char *name)

addcap (ext, Strdup (s), NULL, x, CAP_GND);

ap = add_ap_empty (ext, Strdup (s));
if (device_names) {
int j;
MALLOC (ap->area, double, num_devices);
MALLOC (ap->perim, double, num_devices);
for (j = 0; j < num_devices; j++) {
ap->area[j] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[j] = lex_mustbe_number (l)*lscale;
if (!lex_eof (l)) {
ap = add_ap_empty (ext, Strdup (s));
if (device_names) {
int j;
MALLOC (ap->area, double, num_devices);
MALLOC (ap->perim, double, num_devices);
for (j = 0; j < num_devices; j++) {
ap->area[j] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[j] = lex_mustbe_number (l)*lscale;
}
}
}
else {
MALLOC (ap->area, double, 2);
MALLOC (ap->perim, double, 2);
ap->area[0] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[0] = lex_mustbe_number (l)*lscale;
else {
MALLOC (ap->area, double, 2);
MALLOC (ap->perim, double, 2);
ap->area[0] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[0] = lex_mustbe_number (l)*lscale;

ap->area[1] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[1] = lex_mustbe_number (l)*lscale;
ap->area[1] = lex_mustbe_number(l)*lscale*lscale;
ap->perim[1] = lex_mustbe_number (l)*lscale;
}
}
expand_aliases (s, Strdup(s), ext, 0);
}
Expand Down
36 changes: 31 additions & 5 deletions tech/techgen.cc
View file
Original file line number Diff line number Diff line change
Expand Up @@ -786,7 +786,7 @@ void emit_extract (pp_t *pp)

pp_printf (pp, "style generic"); pp_nl;
pp_printf (pp, "cscale 1"); pp_nl;
pp_printf (pp, "lambda 5"); pp_nl;
pp_printf (pp, "lambda %f", (float)Technology::T->scale/10.0); pp_nl;
pp_printf (pp, "step 100"); pp_nl;
pp_printf (pp, "sidehalo 8"); pp_nl;
pp_printf (pp, "rscale 1"); pp_nl;
Expand All @@ -806,18 +806,44 @@ void emit_extract (pp_t *pp)
pp_nl;

char **act_flav = config_get_table_string ("act.dev_flavors");
char **dev_names = config_get_table_string ("net.ext_devs");
char **map_name = config_get_table_string ("net.ext_map");

for (int i=0; i < Technology::T->num_devs; i++) {
char tmp[128];
char *devnm;
snprintf (tmp, 128, "nfet_%s", act_flav[i]);
devnm = NULL;
for (int k=0; k < config_get_table_size ("net.ext_map"); k++) {
if (strcmp (map_name[k], tmp) == 0) {
devnm = dev_names[k];
break;
}
}
if (!devnm) {
fatal_error ("Device name map inconsistency!");
}
/* j = 0 : nfet */
pp_printf (pp, "device mosfet nfet_%s %s allndiff %s,space Gnd!",
act_flav[i],
pp_printf (pp, "device mosfet %s %s allndiff %s,space Gnd!",
devnm,
Technology::T->fet[0][i]->getName(),
Technology::T->well[0][i] ?
Technology::T->well[0][i]->getName() : "space/w");
pp_nl;

pp_printf (pp, "device mosfet pfet_%s %s allpdiff %s,space Vdd!",
act_flav[i],
snprintf (tmp, 128, "pfet_%s", act_flav[i]);
devnm = NULL;
for (int k=0; k < config_get_table_size ("net.ext_map"); k++) {
if (strcmp (map_name[k], tmp) == 0) {
devnm = dev_names[k];
break;
}
}
if (!devnm) {
fatal_error ("Device name map inconsistency!");
}
pp_printf (pp, "device mosfet %s %s allpdiff %s,space Vdd!",
devnm,
Technology::T->fet[1][i]->getName(),
Technology::T->well[1][i] ?
Technology::T->well[1][i]->getName() : "space/w");
Expand Down

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