blob: 739dc0cc4ff3f16c8f6d613256c8bbd16ebfec6e [file] [log] [blame]
#!/usr/bin/awk -f
BEGIN{
avoid_brakets=0 ## set to 1 if you want to avoid [] in inst names: x12[3] --> x12_3_
## this is needed for VHDL since [] are not allowed in inst names
error_missing=0 ## flag to terminate or continue in case of missing subckt definitions in netlist
# this must be adjusted to match system library installation path
# xschem_lib_path="$HOME/.xschem/xschem_library/xschem_sky130/sky130_stdcells"
xschem_lib_path="$PDK_ROOT/sky130A/libs.tech/xschem/sky130_stdcells"
xschem_lib_name= "sky130_stdcells"
skip_symbol_prefix= "sky130_fd_sc_hd__"
while ( ("ls " xschem_lib_path "/*.sym") | getline sym )
{
insert_symbol(sym, xschem_lib_name)
}
# power connections (propagated via attributes to stdcells)
implicit_pin["VGND"]=1
implicit_pin["VPWR"]=1
implicit_pin["LVPWR"]=1
implicit_pin["VNB"]=1
implicit_pin["VPB"]=1
# put power connections in subckt pin list
dis_implicit_subckt=1
# sym_type = "subcircuit"
sym_type = "primitive" # do not use schematics although they will be generated
all_signals=""
################# TRANSLATE VERILOG TO SPICE #####################
#### verilog sample
# module counter (VGND, VPWR, clk_i, reset_i, out_o);
# input VGND;
# input VPWR;
# input clk_i;
# input reset_i;
# output [3:0] out_o;
# wire _00_;
# wire net5;
# ...
# sky130_fd_sc_hd__decap_8 FILLER_0_19 (.VGND(VGND), .VNB(VGND), .VPB(VPWR), .VPWR(VPWR));
# ...
# sky130_fd_sc_hd__buf_2 output3 (.A(net3), .VGND(VGND), .VNB(VGND), .VPB(VPWR), .VPWR(VPWR), .X(out_o[1]));
# sky130_fd_sc_hd__buf_2 output4 (.A(net4), .VGND(VGND), .VNB(VGND), .VPB(VPWR), .VPWR(VPWR), .X(out_o[2]));
# sky130_fd_sc_hd__buf_2 output5 (.A(net5), .VGND(VGND), .VNB(VGND), .VPB(VPWR), .VPWR(VPWR), .X(out_o[3]));
# endmodule ;
RS=";\n" # verilog end statement --> record separator
netlist_lines=0
spice_line = ""
while( (err = getline) >0) {
# print "<" $0 ">" " " NF
gsub(/$/, ";")
gsub(/[\n \t]+/, " ")
if($1 ~/^ *module/) {
spice_subckt()
} else if($1 ~ skip_symbol_prefix) { # stdcell instances
spice_instance()
}
RS=";\n" # restore record separator as spice_subckt() and spice_instance() may change it
}
netlist[netlist_lines++]=".ends"
################# END TRANSLATE VERILOG TO SPICE ###################
skip=0
for(i=0;i<netlist_lines; i++) {
$0=netlist[i]
process_subckts()
}
skip=0
for(i=0;i<netlist_lines; i++) {
$0=netlist[i]
process()
}
}
# module counter (VGND, VPWR, clk_i, reset_i, out_o);
# input VGND;
# input VPWR;
# input clk_i;
# input reset_i;
# output [3:0] out_o;
function spice_subckt( k, i, j, s, tmp, hi, low, pinname, pindir, npin)
{
gsub(/[(), ;]+/, " ")
# module counter VGND VPWR clk_i reset_i out_o
s = ".subckt " $2
npin = NF - 2
k = 0
for(i = 0; i < npin; i++) {
RS="\n"
getline
# print "<<" $0 ">>" " " npin
sub(/;/, "")
if( $2 ~ /\[.*\]/) { # [3:0]
hi = $2; sub(/^.*\[/, "", hi); sub(/ *:.*/, "", hi) # 3
low = $2; sub(/^.*: */, "", low); sub(/\].*/, "", low) # 0
if(hi < low) { tmp = hi; hi = low; low = tmp; }
for(j = hi; j >= low; j--) {
pinname[k] = $3 "[" j "]"
pindir[k++] = getdir($1)
}
} else {
pinname[k] = $2
pindir[k++] = getdir($1)
}
}
npin = k
for(i = 0; i < npin; i++) {
if(!dis_implicit_subckt && (pinname[i] in implicit_pin)) continue
s = s " " pinname[i]
}
for(i = 0; i < npin; i++) {
if(!dis_implicit_subckt && (pinname[i] in implicit_pin))
s = s " " pinname[i] "=" pinname[i]
}
# print s
netlist[netlist_lines++] = s
s = "*.PININFO"
for(i = 0; i < npin; i++) {
if(!dis_implicit_subckt && (pinname[i] in implicit_pin)) continue
s = s " " pinname[i] ":" pindir[i]
}
# print s
netlist[netlist_lines++] = s
}
function getdir(s)
{
if(s == "input") return "I"
else if(s == "output") return "O"
else return "B" # inout
}
# sky130_fd_sc_hd__buf_2 output5 (.A(net5), .VGND(VGND), .VNB(VGND), .VPB(VPWR), .VPWR(VPWR), .X(out_o[3]));
function spice_instance( s, i, net, pin)
{
gsub(/[(), ;]+/, " ")
gsub(/ \./, " ")
# sky130_fd_sc_hd__decap_8 FILLER_0_19 VGND VGND VNB VGND VPB VPWR VPWR VPWR
sub(skip_symbol_prefix,"")
s = "X" $2 " " # instance name
for(i = 3; i <= NF; i+=2) { # pin list
pin = $i
net = $(i+1)
if(net ~ /^\\/) {
gsub(/[_]/, "__", net)
gsub(/[]]/, "_c", net)
gsub(/[[]/, "_o", net)
# gsub(/[\\]/, "_b", net)
gsub(/[\\]/, "", net) # we remove backslash since it is already an escape character for verilog
gsub(/[.]/, "_d", net)
gsub(/[$]/, "_s", net)
}
if(pin in implicit_pin) continue
else s = s " " net
}
s = s " " $1 # subckt name
for(i = 3; i <= NF; i+=2) { # implicit (power) pins
pin = $i
net = $(i+1)
if(pin in implicit_pin) s = s " " pin "=" net
else continue
}
# print "<<" s ">>"
netlist[netlist_lines++] = s
}
function translate(cellname)
{
if (cellname=="nmos") return "enbsim3"
else if(cellname=="pmos") return "epbsim3"
else return cellname
}
# B 5 -92.5 17.5 -87.5 22.5 {name=RESET_B dir=in
# goto=3
# clock=2}
function insert_symbol(sym, lib, n,cellname, name, dir, tmp)
{
n=0
tmp=sym
while(tmp ~ /.*\/.*\/.*/) sub(/^[^/]*\//,"",tmp) # keep last dir component: aa/bb/cc/dd.sym --> cc/dd.sym
sub(/\..*/,"", tmp)
cellname=translate(tmp)
cell_filename[cellname] = tmp
cell_library[cellname]=lib
cell[cellname]=1
# print " inserting |" cellname "|"
while( getline <sym)
{
if($0 ~ /^B 5 /)
{
name=$7
sub(/.*=/,"",name)
dir=$0
sub(/.*dir[ \t]*=/,"",dir)
sub(/[ \t]+.*/,"",dir)
dir= (dir=="in") ? "I" : ( (dir=="out") ? "O" : "B" )
pin_ar[cellname, ++n] = name
pin_x[cellname,name]=($3+$5)/2
pin_y[cellname,name]=($4+$6)/2
pin_ar[cellname,"dir",name] = dir
# print "insert_symbol(): pin:" pin_ar[cellname,n], pin_ar[cellname,"dir",name], "--> ", $0
}
}
pin_ar[cellname,"n"] = n
}
function process_subckts( j, i,name)
{
if(skip==1 && toupper($1) ==".ENDS") { skip=0; return }
if(skip==1) return
if(toupper($1) ==".SUBCKT") {
curr_subckt=$2
sub(skip_symbol_prefix, "", curr_subckt)
pin_ar[curr_subckt, "name"] = $2
print " process_subckt(): curr_subckt=|" curr_subckt "|"
if(curr_subckt in cell) {print " process_subckt(); skipping " curr_subckt ; skip=1; return }
subckt[curr_subckt]=1
template=0
j = 1
for(i=3;i<=NF;i++) {
if($i~ /=/) { template=i; break}
if(dis_implicit_subckt || !($i in implicit_pin)) {
pin_ar[curr_subckt,j]=$i
pin_ar[curr_subckt,"format"]=pin_ar[curr_subckt,"format"] " @@" $i
j++
} else {
if(pin_ar[curr_subckt,"extra"])
pin_ar[curr_subckt,"extra"] = pin_ar[curr_subckt,"extra"] " " $i
else
pin_ar[curr_subckt,"extra"] = $i
pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " " $i "=" $i
pin_ar[curr_subckt,"format"]=pin_ar[curr_subckt,"format"] " @" $i
}
}
pin_ar[curr_subckt,"n"]=j-1
if(skip_symbol_prefix) pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " prefix=" skip_symbol_prefix
get_template(template)
if(skip_symbol_prefix) pin_ar[curr_subckt,"extra"] = pin_ar[curr_subckt,"extra"] " prefix"
print "\n\n\n process_subckt() : " curr_subckt "--> "
for(i=1; i<= pin_ar[curr_subckt,"n"]; i++) printf "%s ", pin_ar[curr_subckt,i]; printf "\n"
}
else if($1 ~ /^\*\.PININFO/) {
for(i=2;i<=NF;i++) {
name=$i; sub(/:.*/,"",name)
if($i ~ /:I$/ ) pin_ar[curr_subckt, "dir", name] = "I"
else if($i ~ /:O$/ ) pin_ar[curr_subckt, "dir", name] = "O"
else if($i ~ /:B$/ ) pin_ar[curr_subckt, "dir", name] = "B"
else { print "ERROR in .PININFO: ", $i " --> " $0 ; exit}
}
}
else if(toupper($1) ~ /^\*\.(I|O|IO)PIN/) {
if($1 ~ /^\*\.ipin/) { pin_ar[curr_subckt, "dir", $2] = "I" }
else if($1 ~ /^\*\.opin/) { pin_ar[curr_subckt, "dir", $2] = "O" }
else if($1 ~ /^\*\.iopin/) { pin_ar[curr_subckt, "dir", $2] = "B" }
}
}
function get_template(t, templ, i)
{
templ=""
if(t) for(i=t;i<=NF;i++) {
templ = templ $i " "
}
pin_ar[curr_subckt,"template"] = pin_ar[curr_subckt,"template"] " " templ
}
function process( i,name,param)
{
print "process(): skip = " skip " --> " $0
if(skip==1 && toupper($1) ==".ENDS") { skip=0; return }
if(skip==1) return
if(toupper($1) ==".SUBCKT") {
curr_subckt=$2
sub(skip_symbol_prefix, "", curr_subckt)
if(curr_subckt in cell) {print "process(): skipping " curr_subckt ; skip=1; return }
space=20
width=150
lwidth=20
textdist=5
labsize=0.2
titlesize=0.3
text_voffset=20
xoffset=1300
yoffset=0
prev_size=0
lab_voffset=4
sp=ip=op=n_pin=0
all_signals=""
delete net_ar
subckt_netlist = "" # 20111009 all netlist lines except component instances (X)
}
else if(toupper($1) ~ /^.ENDS/) {
compact_pinlist( "" , curr_subckt)
print "----------------------------------------------------------"
for(i=1;i<= dir_ret["n"] ; i++) {
print dir_ret[i] " " pin_ret[i]
}
print "\n\n"
print_sch(curr_subckt, dir_ret, pin_ret)
print_sym(curr_subckt, pin_ar[curr_subckt,"template"], \
pin_ar[curr_subckt,"format"], pin_ar[curr_subckt,"name"], \
sym_type, pin_ar[curr_subckt,"extra"], dir_ret, pin_ret)
print "----------------------------------------------------------"
if(all_signals !="") {
print all_signals > (curr_subckt ".sch")
}
close((curr_subckt ".sch"))
}
else if(toupper($1) ~ /^X/) {
print "process(): X instance:" $0
## no need to remove 1st char, this was done on older netlist having double 'X'
# inst=substr($1,2)
inst = $1
if(avoid_brakets) {
sub(/\[/,"_",inst)
sub(/\]/,"_",inst)
}
param=0
for(i=2;i<=NF;i++) {
sub(/!$/,"",$i) # remove ! on global nodes
if((i<NF && $(i+1) ~ /=/) || i == NF) {
if(!param) param = i+1
inst_sub=$i
sub(skip_symbol_prefix, "", inst_sub)
inst_sub = xschem_lib_name "/" inst_sub
print "process(): inst_sub=" inst_sub
if(error_missing && !(inst_sub in cell ) && !(inst_sub in subckt)) {print "ERROR: " inst_sub " NOT DECLARED, curr_subckt=", curr_subckt ; exit}
break
}
net_ar[inst,i-1] = $i
#print "i-1=" i-1 " net_ar[inst,i-1]=" net_ar[inst,i-1]
}
net_ar[inst,"n"] = i-2
#print " net_ar[inst,n]= " net_ar[inst,"n"]
compact_pinlist(inst,inst_sub)
#print inst " - " inst_sub " --> "
for(i=1;i<= dir_ret["n"] ; i++) {
#print " dir_ret " i " ------> " dir_ret[i] " " pin_ret[i] " <-- " net_ret[i]
}
#print "\n\n"
param = get_param(param)
print_signals( inst, inst_sub, param, pin_ret, dir_ret, net_ret )
}
else { # other components, M, R, C, D, .... 20111009
if($1 !~ /(\.PININFO)|(^\.)/ ) {
subckt_netlist = subckt_netlist $0 "\n"
}
}
}
function get_param(i, param,j)
{
param=""
if(i) for(j=i;j<=NF;j++) {
param = param $j " "
}
return param
}
function compact_pinlist(inst,inst_sub , prevgroup, group,i,ii,base,curr,curr_n,np)
{
delete pin_ret
delete net_ret
delete dir_ret
np=pin_ar[inst_sub,"n"]
# print " compact_pinlist: inst=" inst " np= " np " inst_sub=" inst_sub
if(np) {
ii=1
for(i=1;i<=np;i++) {
group=0
# print "compact_pinlist: i=" i " inst_sub=" inst_sub " pin_ar[inst_sub,i]=" pin_ar[inst_sub,i]
# print "compact_pinlist: net_ar[inst,i]=" net_ar[inst,i]
if(net_ar[inst,i] ~/,/) group=1
base =lab_name( pin_ar[inst_sub,i] )
if(i==1) {prevgroup=group; curr=base; curr_n=i}
else {
if(prevgroup || base != curr) {
if(prevgroup) pin_ret[ii] = pin_ar[inst_sub,i-1]
else pin_ret[ii] = compact_label(inst_sub,pin_ar,curr_n,i-1)
if(inst) {
if(prevgroup) net_ret[ii] = compact_label_str(net_ar[inst,i-1])
else net_ret[ii] = compact_label(inst,net_ar,curr_n,i-1)
}
dir_ret[ii] = pin_ar[inst_sub,"dir",pin_ar[inst_sub,i-1] ]
if(dir_ret[ii] == "") dir_ret[ii] = "B"
ii++
curr=base;curr_n=i
prevgroup=group
}
}
}
}
pin_ret[ii] = compact_label(inst_sub, pin_ar,curr_n,np)
if(inst) {
if(group) net_ret[ii] = compact_label_str(net_ar[inst, np])
else net_ret[ii] = compact_label(inst, net_ar,curr_n,np)
}
dir_ret[ii] = pin_ar[inst_sub,"dir",pin_ar[inst_sub,np] ]
if(dir_ret[ii] == "") dir_ret[ii] = "B"
pin_ret["n"] = dir_ret["n"] = ii
if(inst) net_ret["n"] = ii
}
# 1 2 3 4 5 6 7 8 9 10 11 12
# PP A[3] A[2] A[1] B C K[10] K[9] K[5] K[4] K[3] K[1]
function compact_label_str(str, a, b, ar, ret,start,i)
{
# print "compact_label_str(): str=" str
a=1
b=split(str, ar,",")
ret=""
for(i=a;i<=b;i++) {
if(i==a) {start=a}
else {
if(ar[i-1] !~ /\[/) {
if(ar[i-1] != ar[i]) {
if(start < i-1) { ret = ret (i-start) "*" ar[i-1] ","; start=i }
else {ret = ret ar[i-1] ","; start=i }
}
}
else if(lab_name(ar[i])!=lab_name(ar[i-1])) { # lab basename changed
if(start<i-1 && lab_index(ar[start]) == lab_index(ar[i-1]) )
ret = ret (i-start) "*" ar[i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) ":" lab_index(ar[i-1]) "],"
else
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) "],"
start=i
}
else if( lab_index(ar[i]) != lab_index(ar[i-1])-1 && # index not equal, +1,-1
lab_index(ar[i]) != lab_index(ar[i-1])+1 ) { # to previous
if(start<i-1 && lab_index(ar[start]) == lab_index(ar[i-1]) )
ret = ret (i-start) "*" ar[i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) ":" lab_index(ar[i-1]) "],"
else
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) "],"
start=i
}
else if( lab_index(ar[start])!=lab_index(ar[i]) && # range count != element count
abs(start-i)!=abs(lab_index(ar[start])-lab_index(ar[i]))) {
if(start<i-1 && lab_index(ar[start]) == lab_index(ar[i-1]) )
ret = ret (i-start) "*" ar[i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) ":" lab_index(ar[i-1]) "],"
else
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) "],"
start=i
}
# else if( lab_index(ar[i]) != lab_index(ar[start]) ) {
# if(start<i-1 && lab_index(ar[start]) == lab_index(ar[i-1]) )
# ret = ret (i-start) "*" ar[i-1] ",";
# else if(start<i-1)
# ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) ":" lab_index(ar[i-1]) "],"
# else
# ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) "],"
# start=i
# }
}
}
if(ar[b] !~ /\[/) {
if(start < b) ret = ret (b-start+1) "*" ar[b]
else ret = ret ar[b]
}
else if(start<b && lab_index(ar[start]) == lab_index(ar[b]))
ret = ret (b-start+1) "*" ar[b]
else if(start<b)
ret = ret lab_name(ar[start]) "[" lab_index(ar[start]) ":" lab_index(ar[b]) "]"
else
ret = ret lab_name(ar[b]) "[" lab_index(ar[b]) "]"
# print "compact_label_str(): ret=" ret
return ret
}
# 1 2 3 4 5 6 7 8 9 10 11 12
# PP A[3] A[2] A[1] B C K[10] K[9] K[5] K[4] K[3] K[1]
function compact_label(name, ar,a,b, ret,start,i)
{
ret=""
for(i=a;i<=b;i++) {
# print "compact_label(): ar[" name ", " i "]=" ar[name,i]
if(i==a) {start=a}
else {
if(ar[name,i-1] !~ /\[/) {
if(ar[name,i-1] != ar[name,i]) {
if(start < i-1) { ret = ret (i-start) "*" ar[name,i-1] ","; start=i }
else {ret = ret ar[name,i-1] ","; start=i }
}
}
else if(lab_name(ar[name,i])!=lab_name(ar[name,i-1])) { # lab basename changed
if(start<i-1 && lab_index(ar[name,start]) == lab_index(ar[name,i-1]) )
ret = ret (i-start) "*" ar[name,i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) ":" lab_index(ar[name,i-1]) "],"
else
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) "],"
start=i
}
else if(lab_index(ar[name,i]) != lab_index(ar[name,i-1])-1 && # index not equal, +1,-1 previous
lab_index(ar[name,i]) != lab_index(ar[name,i-1])+1 ) {
if(start<i-1 && lab_index(ar[name,start]) == lab_index(ar[name,i-1]) )
ret = ret (i-start) "*" ar[name,i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) ":" lab_index(ar[name,i-1]) "],"
else
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) "],"
start=i
}
else if( lab_index(ar[name,start])!=lab_index(ar[name,i]) && # range count != element count
abs(start-i)!=abs(lab_index(ar[name,start])-lab_index(ar[name,i])) ) {
if(start<i-1 && lab_index(ar[name,start]) == lab_index(ar[name,i-1]) )
ret = ret (i-start) "*" ar[name,i-1] ",";
else if(start<i-1)
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) ":" lab_index(ar[name,i-1]) "],"
else
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) "],"
start=i
}
# else if( lab_index(ar[name,i]) != lab_index(ar[name,start]) ) {
# if(start<i-1 && lab_index(ar[name,start]) == lab_index(ar[name,i-1]) )
# ret = ret (i-start) "*" ar[name,i-1] ",";
# else if(start<i-1)
# ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) ":" lab_index(ar[name,i-1]) "],"
# else
# ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) "],"
# start=i
# }
}
}
if(ar[name,b] !~ /\[/) {
if(start < b) ret = ret (b-start+1) "*" ar[name,b]
else ret = ret ar[name,b]
}
else if(start<b && lab_index(ar[name,start]) == lab_index(ar[name,b]))
ret = ret (b-start+1) "*" ar[name,b]
else if(start<b)
ret = ret lab_name(ar[name,start]) "[" lab_index(ar[name,start]) ":" lab_index(ar[name,b]) "]"
else
ret = ret lab_name(ar[name,b]) "[" lab_index(ar[name,b]) "]"
# print "compact_label(): ret=" ret
return ret
}
function lab_name(lab)
{
sub(/\[.*/,"",lab)
return lab
}
function lab_index(lab)
{
sub(/.*\[/,"",lab)
sub(/\].*/,"",lab)
if( (lab ~/:/) || (lab ~/,/) ) return lab # 20161225
else return lab+0
}
function print_sch(schname, dir, pin,
n_pin, ip, op, iii,ooo,y,x,i, pin_dir,sch_x_offset)
{
schname = schname ".sch"
iii=0
ooo=0
print " --> print_sch called for: " schname
print "V {}\nG {}\nS {" subckt_netlist "}" > schname # 20111009 added subckt_components
n_pin = dir["n"]
ip=op=0
for(i=1;i<=n_pin; i++) {
if(dir[i] == "I" ) ip++
else if(dir[i]=="O" || dir[i]=="B") op++
else {print "ERROR: print_sch(): undefined dir[i], i=",i, "schname=", schname, "pin[i]=", pin[i]; exit}
}
y=0
x=-40
sch_x_offset=230
for(i=1;i<=n_pin;i++)
{
pin_dir=dir[i]
if(pin_dir=="I")
{
iii++
printf "C {devices/ipin} " (x+sch_x_offset) " " (y+iii*space) " 0 0 " \
" {name=p" p_pin++ " lab=" pin[i] " " >schname
printf "}\n" >schname
}
if(pin_dir=="O")
{
ooo++
printf "C {devices/opin} " (-x+sch_x_offset) " " (y+ooo*space) " 0 0 " \
" {name=p" p_pin++ " lab=" pin[i] " " >schname
printf "}\n" >schname
}
if(pin_dir=="B")
{
ooo++
printf "C {devices/iopin} " (-x+sch_x_offset) " " (y+ooo*space) " 0 0 " \
" {name=p" p_pin++ " lab=" pin[i] " " >schname
printf "}\n" >schname
}
}
}
function print_signals( inst_name, component_name, param, pin,dir,net,
n_pin,n_dir,n_net,
ip, op, n,m,y,x,i, inum, onum,curr_dir) #local vars
{
n_pin=pin["n"]
n_net=net["n"]
n_dir=dir["n"]
print " print_signals() : component_name = ", component_name
if(n_dir != n_pin) { print " n_dir vs n_pin mismatch: inst / comp = " inst_name " / " component_name ; exit }
if(n_net != n_pin) { print " n_net vs n_pin mismatch: inst / comp = " inst_name " / " component_name ; exit }
ip=op=0
for(i=1; i<=n_net; i++) {
if(dir[i] ~ /[OB]/) {
op++
}
else if(dir[i] ~ /I/) ip++
else {print "ERROR: print_sch(): undefined dir[] i=" i " inst=" inst " sub=" component_name ; exit}
}
n=ip;if(op>n) n=op
if(n==0) n=4
m=(n-1)/2
y=-m*space
x=-width
if(yoffset >= 1400)
{
yoffset=prev_size=0
xoffset+=920
}
yoffset += ((prev_size+n)/2+1)*space
inum =onum=0
for(i=1;i<=n_net;i++)
{
curr_dir=dir[i]
idx=(component_name SUBSEP pin[i])
if( idx in pin_x)
{
print "print_signals() : " idx " found in library"
xpin=xoffset+pin_x[idx]
ypin=yoffset+pin_y[idx]
}
else
{
print "print_signals() : " idx " NOT found in library"
if(curr_dir=="O" || curr_dir=="B") {
xpin=-x+xoffset
ypin=y+onum*space+yoffset
onum++
}
else {
xpin=x+xoffset
ypin=y+inum*space+yoffset
inum++
}
}
if(curr_dir=="I")
{
all_signals = all_signals "C {devices/lab_pin} " xpin " " ypin " 0 0 " \
" {name=p" p_pin++ " lab=" net[i] " "
all_signals = all_signals "}\n"
}
if(curr_dir=="O")
{
all_signals = all_signals "C {devices/lab_pin} " xpin " " ypin " 0 1 " \
" {name=p" p_pin++ " lab=" net[i] " "
all_signals = all_signals "}\n"
}
if(curr_dir=="B")
{
all_signals = all_signals "C {devices/lab_pin} " xpin " " ypin " 0 1 " \
" {name=p" p_pin++ " lab=" net[i] " "
all_signals = all_signals "}\n"
}
}
# C {micro2/pump_logic} 4700 0 0 0 {name=x1}
if(idx in pin_x)
all_signals=all_signals "C {" cell_filename[component_name] \
"} " xoffset " " yoffset " 0 0 {name=" inst_name " " param "}\n"
else
all_signals=all_signals "C {" component_name \
"} " xoffset " " yoffset " 0 0 {name=" inst_name " " param "}\n"
prev_size=n
if( idx in pin_x) prev_size+=8
}
#------------------------------
function print_sym(sym, template, format, subckt_name, sym_type, extra, dir, pin,
size,space,width,lwidth,textdist,labsize,titlesize,
i,name,text_voffset,lab_voffset,ip,op,n_pin ,m,x,y,n,
iii,ooo)
{
size=2.5
space=20
width=150
lwidth=20
textdist=5
labsize=0.2
titlesize=0.3
text_voffset=20
lab_voffset=4
ip=op=n_pin=0
name=sym
sym = sym ".sym"
# G {type=subcircuit
# vhdl_stop=true
# verilog_stop=true;
# format="@name @pinlist @symname"
# template="name=x1"}
print "start print symbol: " sym
print "v {xschem version=3.0.0 file_version=1.2}"
print "K {type=" sym_type > sym
# print "format=\"@name @pinlist @symname " format_translate(template) "\"" > sym
iii = format_translate(template, extra)
if(iii) iii = " " iii
# since awk strings use backslash escapes and sub also uses backslash escapes (example for \& substitution)
# there are 2 levels of escape substitutions, we need \\\\ to generate one \.
# in the xschem file \\\\ is reduced to \\ in the format string and finally format contains one \
if(skip_symbol_prefix) sub(skip_symbol_prefix, "@prefix\\\\\\\\\\\\\\\\", subckt_name)
print "format=\"@name" format " " subckt_name iii "\"" > sym
print "template=\"name=x1" template "\"" > sym
print "extra=\"" extra "\"}" > sym
# print "T {@symname}" ,-length(name)/2*titlesize*30, -text_voffset*titlesize,0,0,
# titlesize, titlesize, "{}" >sym
print "T {@symname}" ,0, -text_voffset*titlesize,0,0,
titlesize, titlesize, "{hcenter=true}" >sym
n_pin=pin["n"]
ip=op=0
for(i=1; i<=n_pin; i++) {
if(dir[i] ~ /[OB]/) {
op++
}
else if(dir[i] ~ /I/) ip++
else {print "ERROR: print_sym(): undefined dir[] i=" i " inst=" inst " sub=" component_name ; exit}
}
n=ip;if(op>n) n=op
if(n==0) n=1
m=(n-1)/2
y=-m*space
x=-width
print "T {@name}",-x-lwidth+5, y-space/2-8-lab_voffset,0,0,labsize, labsize,"{}" >sym
print "L 4 " (x+lwidth) ,y-space/2,(-x-lwidth) , y-space/2,"{}" >sym
print "L 4 " (x+lwidth) ,y+n*space-space/2,(-x-lwidth) , y+n*space-space/2,"{}" >sym
print "L 4 " (x+lwidth) ,y-space/2,(x+lwidth) , y+n*space-space/2,"{}" >sym
print "L 4 " (-x-lwidth) ,y-space/2,(-x-lwidth) , y+n*space-space/2,"{}" >sym
iii=ooo=0
for(i=1;i<=n_pin;i++)
{
pin_dir=dir[i]
if(pin_dir=="I")
{
printf "B 5 " (x-size) " " (y+iii*space-size) " " (x+size) " " (y+iii*space+size) \
" {name=" pin[i] " dir=in " >sym
printf "}\n" >sym
print "L 4 " x,y+iii*space,x+lwidth, y+iii*space,"{}" >sym
print "T {" pin[i] "}",x+lwidth+textdist,y+iii*space-lab_voffset,0,0,labsize, labsize, "{}" >sym
iii++
}
if(pin_dir=="O")
{
printf "B 5 " (-x-size) " " (y+ooo*space-size) " " (-x+size) " " (y+ooo*space+size) \
" {name=" pin[i] " dir=out " >sym
printf "}\n" >sym
print "L 4 " (-x-lwidth),(y+ooo*space),(-x), (y+ooo*space),"{}" >sym
print "T {" pin[i] "}",-x-lwidth-textdist,y+ooo*space-lab_voffset,0,1,labsize, labsize, "{}" >sym
ooo++
}
if(pin_dir=="B")
{
printf "B 5 " (-x-size) " " (y+ooo*space-size) " " (-x+size) " " (y+ooo*space+size) \
" {name=" pin[i] " dir=inout " >sym
printf "}\n" >sym
print "L 7 " (-x-lwidth),(y+ooo*space),(-x), (y+ooo*space),"{}" >sym
print "T {" pin[i] "}",-x-lwidth-textdist,y+ooo*space-lab_voffset,0,1,labsize, labsize, "{}" >sym
ooo++
}
}
close(sym)
}
#------------------------------
function abs(a)
{
return a>0 ? a: -a
}
function format_translate(s, extra, n_extra, extra_arr, extra_hash, c,quote,str,n,i,ss,sss)
{
# 20140321
str=""
quote=0
for(i=1; i< length(s); i++) {
c = substr(s,i,1)
if(c == "\"") quote=!quote
if(quote && c==" ") str = str SUBSEP
else str = str c
}
s = str
# /20140321
str=""
n_extra = split(extra, extra_arr)
for(i = 1; i <= n_extra; i++) extra_hash[ extra_arr[i] ] = 1
n=split(s,ss)
for(i=1;i<=n;i++) {
gsub(SUBSEP," ", ss[i])
print "subckt params: " ss[i]
if(ss[i] ~ /[^=]+=[^=]+/) {
split(ss[i],sss,"=")
if(!(sss[1] in extra_hash)) ss[i] = sss[1] "=@" sss[1]
else ss[i] = ""
}
str = str ss[i]
if(i<n && ss[i] ) str=str " "
}
delete extra_hash
return str
}