6 use Data::Dump qw(dump);
10 my $openocd_remote = shift @ARGV || 'picam:4444';
11 my $bsdl_file = $ENV{BSDL} ||
14 # '3064at44.bsd'; # XXX
15 my $project_file = 'Altera/epm3064_dac/3064at44.qsf';
16 $project_file = 'tb276/f32c.qsf';
18 my $BOUNDARY_LENGTH = -1;
27 my $parse_regex = join('|', qw(
36 my $have_gpio = `which gpio`;
37 warn "# ", ! $have_gpio ? "DOESN'T " : '', "have rpi gpio\n";
38 require 'gpio.pl' if $have_gpio;
40 open(my $bsdl, '<', $bsdl_file);
42 if ( m/($parse_regex)/ ) {
45 } elsif ( $parse_in ) {
47 s/\s+--.+$//; # remove comments and EOL
48 $parse->{$parse_in} .= $_;
49 $parse_in = 0 if m/;/;
50 } elsif ( m/"(\d+)\s+\(BC_\d+,\s+(\S+),\s+(\S+)/ ) {
51 $bit2pin->{$1} = [ $2, $3 ];
52 push @{ $io2bit->{$2} }, $1;
53 } elsif ( m/attribute\s+BOUNDARY_LENGTH\s+of\s+\S+\s*:\s*entity\s+is\s+(\d+);/ ) {
54 $BOUNDARY_LENGTH = $1;
55 warn "# BSDL $bsdl_file BOUNDARY_LENGTH = $BOUNDARY_LENGTH\n";
56 } elsif ( ! $entity && m/^entity\s(\S+)\s+is/ ) {
58 warn "# entity = $entity\n";
64 warn "# bit2pin = ",dump($bit2pin);
65 warn "# io2bit = ",dump($io2bit);
67 foreach my $chunk ( keys %$parse ) {
68 $parse->{$chunk} =~ s/"\s*\&\s*"/ /gs; # concat lines back to single line
69 $parse->{$chunk} =~ s/^.+?"//s; # strip upto first quote
70 $parse->{$chunk} =~ s/"\s*;.*?$//s; # strip everything after closing
71 $parse->{$chunk} =~ s/\s+/ /gs;
72 $parse->{$chunk} =~ s/^\s+//;
73 $parse->{$chunk} =~ s/\s+$//;
74 $parse->{$chunk} =~ s/attribute\s+$chunk\s+of\s+$entity\s+:\s+entity\s+is\s+(\d+)\s*;/$1/;
78 warn "# parse = ",dump($parse);
80 my $pin_map = $parse->{PIN_MAP_STRING} || die "no PIN_MAP_STRING in ",dump($parse);
87 warn "# pin_map = ",dump($pin_map);
88 $pin_map =~ s/\(\s*([^\)]+?)\s*\)/str_comma($1)/gse;
89 warn "# pin_map = ",dump($pin_map);
91 foreach my $map ( split(/\s*,\s*/, $pin_map) ) {
93 my ( $name, $pin ) = split(/\s*:\s*/, $map);
94 $pin2io->[$_] = $name foreach split(/ /,$pin);
97 warn "# pin2io = ",dump( $pin2io );
98 #store \$pin2io, $bsdl_file . '.pin2io.storable';
99 store \$pin2io, $entity . '.pin2io.storable';
103 my $o = $parse->{INSTRUCTION_OPCODE} || die "no INSTRUCTION_OPCODE in ",dump($parse);
105 foreach ( split(/\)\s*,\s*/, $o) ) {
109 my ( $inst_opcode, $bin ) = split(/\s+/, $_);
110 $opcode->{$inst_opcode} = sprintf "0x%02x", eval '0b' . $bin;
112 warn "# opcode = ",dump($opcode);
114 foreach (qw(SAMPLE EXTEST)) {
115 die "missing INSTRUCTION_OPCODE $_ in ",dump($opcode) unless $opcode->{$_};
119 foreach my $pin_file ( glob "pins/$entity*.tsv" ) {
120 open(my $fh, '<', $pin_file);
123 my ($pin,$desc, $bcm) = split(/\t+/,$_,3);
124 $pin_desc->{$pin} = $desc;
125 gpio::add_bcm_desc( $bcm => $desc ) if $have_gpio;
128 warn "# $pin_file ",dump($pin_desc);
132 open(my $fh, '<', $project_file);
137 my ($set,$pin, $op, $desc) = split(/\s+/,$_,4);
138 if ( $set =~ m/set_location_assignment/i && $op =~ m/-to/i && $pin =~ s/^PIN_//ig ) {
139 $pin_desc->{$pin} = $desc; # overwrite pin description
141 #warn "## ignored $_\n";
145 warn "# $project_file ",dump($pin_desc);
150 my $aa = $a; $aa =~ s/\D+//g;
151 my $bb = $b; $bb =~ s/\D+//g;
152 $aa <=> $bb } keys %$io2bit;
153 warn "# sort = ",dump(@sort);
158 return $bits; # FIXME disable for now
160 $bits =~ s/^(.)0/$1 /;
162 $bits =~ s/^(.)1/$1./;
169 return unless length($bits) == $BOUNDARY_LENGTH;
171 $bits = reverse $bits; # make substr work as expected
172 my $last_bits_r = reverse $last_bits;
174 print "pin off io___ ICO | " x 4, $openocd_remote,"\n";
175 foreach my $i ( 0 .. ($#$pin2io/4)-1 ) {
176 foreach my $j ( 0 .. 3 ) {
177 #my $pin = ($i*4) + $j + 1; # rows
178 my $pin = ($#$pin2io/4) * $j + $i + 1; # columns
179 my $io = $pin2io->[$pin];
180 my $o = $io2bit->{$io}->[0];
183 my $l = $b = substr($bits, $o, 3);
184 $l = substr($last_bits_r,$o,3) if $last_bits;
186 my $desc = $pin_desc->{$pin} || '';
189 my @b = split(//, $bits);
190 my @l = split(//, bits($l));
192 foreach ( 0 .. $#b ) {
193 $bits .= $b[$_] eq $l[$_] ? $b[$_] : "\e[33;7;1m$b[$_]\e[0m";
197 $desc = ' ' . $desc if length($desc) < 10;
198 $desc = substr($desc,0,10);
200 printf "%-3d %-3d %-5s %3s%-10s| ", $pin, $o, $io, $bits, $desc;
202 printf "%-3d ... %-18s | ", $pin, $io;
208 $last_bits = $o_bits;
211 #foreach my $h (qw(0 1 2 e f 10 11 12 1e 1f 20 30 40 50 100 200 1000)) {
212 # printf "hex = %4s binary = %16s\n", $h, hex2bin($h);
215 my $sock = IO::Socket::INET->new($openocd_remote);
219 my $hlen = length($h);
220 my $blen = $hlen * 4;
221 return unpack("B$blen", pack("H$hlen", $h));
227 my $blen = length($b);
228 my $hlen = $blen / 4;
229 return unpack("H$hlen", pack("B$blen", $b));
234 print $sock "jtag names\n"; # will fill-in $tap variable from openocd
246 if ( ! $tap && m/^(\w+\.tap)$/ ) {
248 warn "# using TAP $tap\n";
250 print $sock "scan_chain\n";
253 } elsif ( ! $scan_chain && m/\d+\s+$tap\s+Y\s+0x([0-9a-f]+)\s+0x[0-9a-f]+\s+(\d+)/ ) {
255 my ($IdCode,$IrLen) = ( $1, $2 );
257 my $bsdl_id_code = bin2hex( $parse->{IDCODE_REGISTER} );
258 die "IdCode != IDCODE_REGISTER $IdCode != $bsdl_id_code" if lc($IdCode) ne lc($bsdl_id_code);
260 die "IrLen != INSTRUCTION_LENGTH $IrLen != $parse->{INSTRUCTION_LENGTH}" if $IrLen != $parse->{INSTRUCTION_LENGTH};
262 warn "# OK IdCode $IdCode IrLen $IrLen\n";
266 print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
267 print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
269 } elsif ( /^\s*([A-F0-9]+)$/ ) {
271 my $bin = hex2bin($hex);
272 $bin = substr($bin,0, $BOUNDARY_LENGTH) if length($bin) > $BOUNDARY_LENGTH;
273 diff_bits($BSR, $bin);
275 print_io $bin if $bin ne $last_bits;
276 gpio::pins() if $have_gpio;
278 } elsif ( m/>\s+\S+/ ) {
279 # ignore command echo
281 warn "# ignored ",dump($_);
286 my ($old, $new) = @_;
287 return unless $old && $new;
288 $old = reverse $old; # extra bits must be on the end
290 $old =~ s/(...)/$1 /g;
291 $new =~ s/(...)/$1 /g;
292 my @o = split(/ /, $old);
293 my @n = split(/ /, $new);
294 my $bsr_max_bit = $BOUNDARY_LENGTH / 3 - 1;
295 foreach my $i ( 0 .. $bsr_max_bit ) {
296 if ( $o[$i] eq $n[$i] ) {
299 my $pin = $bit2pin->{ $i * 3 }->[0];
300 $o[$i] = " $pin@" . ( $i * 3 ) . ":" . $o[$i] . '>' . $n[$i];
303 my $diff = join('', @o[ 0 .. $bsr_max_bit ]);
304 print "# diff_bits $diff\n";
310 if ( $cmd =~ /(p|o)(\d+)=(\d+)/ ) {
311 my ( $what, $p, $v ) = ( $1, $2, $3 );
313 my $old_bsr = reverse $BSR;
316 if ( $what eq 'p' && length($v) == 1 ) {
319 my $io = $pin2io->[$pin];
320 my $bit = $io2bit->{$io}->[0];
322 warn "# pin $pin = $v io=$io bit=$bit\n";
325 substr($old_bsr,0,$bit+1) # leave input as-is
326 . ( $v eq 'Z' ? 1 : 0 ) # control
327 . ( $v & 1 ) # output
328 . substr($old_bsr,$bit+3)
332 } elsif ( $what eq 'o' && $p < $BOUNDARY_LENGTH ) {
334 #$b = substr($old_bsr,0,$o) . reverse $v . substr($old_bsr,$o+length($v));
335 $b = ( "0" x $o ) . reverse $v . ( "0" x ( length($old_bsr) - $o - length($v) ) );
336 warn "XXX",length($old_bsr), " == ",length($b);
337 $old_bsr = "0" x length($old_bsr);
339 print "IGNORED ",dump( $what, $p, $v );
344 diff_bits( $BSR, $b );
346 # print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
347 print $sock "drscan $tap $BOUNDARY_LENGTH 0x", bin2hex($b), "\n";
348 print $sock "irscan $tap $opcode->{EXTEST}\n"; # EXTEST
349 # print $sock "drscan $tap $BOUNDARY_LENGTH 0x", bin2hex($b), "\n";
351 } elsif ( $cmd =~ m/\?/ ) {
353 print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
354 print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";
356 gpio::cmd( $cmd ) if $have_gpio;
357 print $sock "irscan $tap $opcode->{SAMPLE}\n"; # SAMPLE/PRELOAD
358 print $sock "drscan $tap $BOUNDARY_LENGTH 0\n";