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initial import

This commit is contained in:
Clifford Wolf 2013-01-05 11:13:26 +01:00
commit 7764d0ba1d
481 changed files with 54634 additions and 0 deletions

164
tests/tools/autotest.sh Executable file
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#!/bin/bash
libs=""
genvcd=false
use_isim=false
verbose=false
keeprunning=false
backend_opts="-noattr -noexpr"
kompare_xst=false
scriptfiles=""
toolsdir="$(cd $(dirname $0); pwd)"
if [ ! -f $toolsdir/cmp_tbdata -o $toolsdir/cmp_tbdata.c -nt $toolsdir/cmp_tbdata ]; then
( set -ex; gcc -Wall -o $toolsdir/cmp_tbdata $toolsdir/cmp_tbdata.c; ) || exit 1
fi
while getopts il:wkvrxs: opt; do
case "$opt" in
i)
use_isim=true ;;
l)
libs="$libs $(cd $(dirname $OPTARG); pwd)/$(basename $OPTARG)";;
w)
genvcd=true ;;
k)
keeprunning=true ;;
v)
verbose=true ;;
r)
backend_opts="$backend_opts norename" ;;
x)
kompare_xst=true ;;
s)
[[ "$OPTARG" == /* ]] || OPTARG="$PWD/$OPTARG"
scriptfiles="$scriptfiles $OPTARG" ;;
*)
echo "Usage: $0 [-i] [-w] [-k] [-v] [-r] [-x] [-l libs] [-s script] verilog-files\n" >&2
exit 1
esac
done
create_ref() {
if $kompare_xst; then
echo "verilog work $1" > $2.prj
cat <<- EOT > $2.xst
run
-ifn $2.prj -ifmt mixed -ofn $2 -ofmt NGC -p xc6slx4-3-tqg144
-top $( grep ^module $1 | sed -r 's,[^0-9A-Za-z_]+, ,g' | awk '{ print $2; exit; }'; )
-opt_mode Speed -opt_level 1 -iobuf NO
EOT
(
set +x
prefix="$2"
xilver=$( ls -v /opt/Xilinx/ | tail -n1; )
case "$( uname -m )" in
x86_64)
set --; . /opt/Xilinx/$xilver/ISE_DS/settings64.sh ;;
*)
set --; . /opt/Xilinx/$xilver/ISE_DS/settings32.sh ;;
esac
set -x
xst -ifn $prefix.xst
netgen -w -ofmt verilog $prefix.ngc $prefix
)
else
cp "$1" "$2.v"
fi
}
compile_and_run() {
exe="$1"; output="$2"; shift 2
if $use_isim; then
(
set +x
files=( "$@" )
xilver=$( ls -v /opt/Xilinx/ | tail -n1; )
case "$( uname -m )" in
x86_64)
set --; . /opt/Xilinx/$xilver/ISE_DS/settings64.sh ;;
*)
set --; . /opt/Xilinx/$xilver/ISE_DS/settings32.sh ;;
esac
set -x
vlogcomp "${files[@]}"
if $kompare_xst; then
fuse -o "$exe" -lib unisims_ver -top testbench -top glbl
else
fuse -o "$exe" -top testbench
fi
{ echo "run all"; echo "exit"; } > run-all.tcl
PATH="$PATH:" "$exe" -tclbatch run-all.tcl > "$output"
)
else
iverilog -s testbench -o "$exe" "$@"
vvp -n "$exe" > "$output"
fi
}
shift $((OPTIND - 1))
for fn
do
bn=${fn%.v}
if [ "$bn" == "$fn" ]; then
echo "Invalid argument: $fn" >&2
exit 1
fi
[[ "$bn" == *_tb ]] && continue
echo -n "Test: $bn "
rm -f ${bn}.{err,log}
mkdir -p ${bn}.out
rm -rf ${bn}.out/*
body() {
cd ${bn}.out
cp ../$fn $fn
if [ ! -f ../${bn}_tb.v ]; then
"$toolsdir"/../../yosys -b autotest -o ${bn}_tb.v $fn
else
cp ../${bn}_tb.v ${bn}_tb.v
fi
if $genvcd; then sed -i 's,// \$dump,$dump,g' ${bn}_tb.v; fi
create_ref $fn ${bn}_ref
compile_and_run ${bn}_tb_ref ${bn}_out_ref ${bn}_tb.v ${bn}_ref.v $libs
if $genvcd; then mv testbench.vcd ${bn}_ref.vcd; fi
test_count=0
test_passes() {
"$toolsdir"/../../yosys -b "verilog $backend_opts" "$@" -o ${bn}_syn${test_count}.v $fn $scriptfiles
compile_and_run ${bn}_tb_syn${test_count} ${bn}_out_syn${test_count} \
${bn}_tb.v ${bn}_syn${test_count}.v $libs \
"$toolsdir"/../../techlibs/simlib.v \
"$toolsdir"/../../techlibs/stdcells_sim.v
if $genvcd; then mv testbench.vcd ${bn}_syn${test_count}.vcd; fi
$toolsdir/cmp_tbdata ${bn}_out_ref ${bn}_out_syn${test_count}
test_count=$(( test_count + 1 ))
}
if [ -n "$scriptfiles" ]; then
test_passes
else
test_passes -p hierarchy -p proc -p memory -p opt -p fsm -p opt
test_passes -p hierarchy -p proc -p memory -p opt -p fsm -p opt -p techmap -p opt
# test_passes -p hierarchy -p proc -p memory -p opt -p techmap -p opt -p abc -p opt
fi
touch ../${bn}.log
}
if $verbose; then
echo ".."
echo "Output written to console." > ${bn}.err
( set -ex; body; )
else
( set -ex; body; ) > ${bn}.err 2>&1
fi
if [ -f ${bn}.log ]; then
mv ${bn}.err ${bn}.log
echo "-> ok"
else echo "-> ERROR!"; $keeprunning || exit 1; fi
done
exit 0

67
tests/tools/cmp_tbdata.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
int line = 0;
char buffer1[1024];
char buffer2[1024];
void check(bool ok)
{
if (ok)
return;
fprintf(stderr, "Error in testbench output compare (line=%d):\n-%s\n+%s\n", line, buffer1, buffer2);
exit(1);
}
int main(int argc, char **argv)
{
FILE *f1, *f2;
bool eof1, eof2;
int i;
check(argc == 3);
f1 = fopen(argv[1], "r");
f2 = fopen(argv[2], "r");
check(f1 && f2);
while (!feof(f1) && !feof(f2))
{
line++;
buffer1[0] = 0;
buffer2[0] = 0;
eof1 = fgets(buffer1, 1024, f1) == NULL;
eof2 = fgets(buffer2, 1024, f2) == NULL;
if (*buffer1 && buffer1[strlen(buffer1)-1] == '\n')
buffer1[strlen(buffer1)-1] = 0;
if (*buffer2 && buffer2[strlen(buffer2)-1] == '\n')
buffer2[strlen(buffer2)-1] = 0;
check(eof1 == eof2);
for (i = 0; buffer1[i] || buffer2[i]; i++)
{
check(buffer1[i] != 0 && buffer2[i] != 0);
// first argument is the reference. An 'z' or 'x'
// here means we don't care about the result.
if (buffer1[i] == 'z' || buffer1[i] == 'x')
continue;
check(buffer1[i] == buffer2[i]);
}
}
check(feof(f1) && feof(f2));
fclose(f1);
fclose(f2);
return 0;
}

55
tests/tools/profiler.pl Executable file
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#!/usr/bin/perl
# parse 'yosys -t' logfile and find slow passes
my $max_depth = 0;
my %last_line_by_depth;
my %last_time_by_depth;
my @lines_text;
my @lines_depth;
my @lines_time;
while (<>)
{
chomp;
next unless /^\[([0-9.]+)\] (([0-9]+\.)+)/;
my ($this_time, $this_id, $this_header) = ($1, $2, $4);
push @lines_text, $_;
push @lines_depth, 0;
push @lines_time, 0;
my $depth = $this_id;
$depth =~ s/[^.]//g;
$depth = length $depth;
$max_depth = $depth if $depth > $max_depth;
for (my $i = $depth; $i <= $max_depth; $i++) {
next unless exists $last_time_by_depth{$i};
$lines_time[$last_line_by_depth{$i}] = $this_time-$last_time_by_depth{$i};
delete $last_time_by_depth{$i};
delete $last_header_by_depth{$i};
}
$last_time_by_depth{$depth} = $this_time;
$last_line_by_depth{$depth} = $#lines_text;
$lines_depth[$#lines_text] = $depth;
}
for (my $depth = 1; $depth <= $max_depth; $depth++) {
printf "\nSlow passes on recursion depth %d:\n", $depth;
my @lines;
for (my $i = 0; $i <= $#lines_text; $i++) {
next if $lines_depth[$i] != $depth or $lines_time[$i] < 1.0;
push @lines, sprintf("%3d %08.2f %s\n", $lines_depth[$i], $lines_time[$i], $lines_text[$i]);
}
for my $line (sort {$b cmp $a} @lines) {
print $line;
}
}
printf "\nFull journal of headers:\n";
for (my $i = 0; $i <= $#lines_text; $i++) {
printf "%3d %08.2f %s\n", $lines_depth[$i], $lines_time[$i], $lines_text[$i];
}

63
tests/tools/rtlview.sh Executable file
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#!/bin/bash
# using Xilinx ISE to display RTL schematics
if [ ! -f "$1" ]; then
echo "Usage: $0 <verilog-file>" >&2
exit 1
fi
prjdir="$(dirname $0)/rtlview.tmp"
mkdir -p "$prjdir"
cp "$1" "$prjdir"/schematic.v
cp "$(dirname $0)"/../../techlibs/blackbox.v "$prjdir"/blackbox.v
cd "$prjdir"
if fuser -s ise.out; then
echo "ISE already running. Re-create RTL schematic from GUI."
exit 1
fi
xilver=$( ls -v /opt/Xilinx/ | grep '^[0-9]' | tail -n1; )
cat > rtlview.xise << EOT
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<project xmlns="http://www.xilinx.com/XMLSchema" xmlns:xil_pn="http://www.xilinx.com/XMLSchema">
<header/>
<version xil_pn:ise_version="$xilver" xil_pn:schema_version="2"/>
<files>
<file xil_pn:name="schematic.v" xil_pn:type="FILE_VERILOG">
<association xil_pn:name="BehavioralSimulation" xil_pn:seqID="1"/>
<association xil_pn:name="Implementation" xil_pn:seqID="2"/>
</file>
<file xil_pn:name="blackbox.v" xil_pn:type="FILE_VERILOG">
<association xil_pn:name="BehavioralSimulation" xil_pn:seqID="1"/>
<association xil_pn:name="Implementation" xil_pn:seqID="2"/>
</file>
</files>
<properties>
<property xil_pn:name="Device" xil_pn:value="xc6slx4" xil_pn:valueState="default"/>
<property xil_pn:name="Device Family" xil_pn:value="Spartan6" xil_pn:valueState="non-default"/>
<property xil_pn:name="Device Speed Grade/Select ABS Minimum" xil_pn:value="-3" xil_pn:valueState="default"/>
</properties>
<bindings/>
<libraries/>
<autoManagedFiles/>
</project>
EOT
set --
case "$( uname -m )" in
x86_64)
. /opt/Xilinx/$xilver/ISE_DS/settings64.sh ;;
*)
. /opt/Xilinx/$xilver/ISE_DS/settings32.sh ;;
esac
ise rtlview.xise > ise.out 2>&1 &
echo "ISE is now starting up. Create RTL schematic from GUI."

201
tests/tools/vcdcd.pl Executable file
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#!/usr/bin/perl -w
#
# Note: You might need to install the Verilog::VCD package using CPAN..
use strict;
use Data::Dumper;
use Verilog::VCD qw(parse_vcd list_sigs);
$| = 1;
if ($#ARGV != 1) {
print STDERR "\n";
print STDERR "VCDCD - Value Change Dump Change Dumper\n";
print STDERR "\n";
print STDERR "Usage: $0 gold.vcd gate.vcd\n";
print STDERR "\n";
print STDERR "Compare a known-good (gold) vcd file with a second (gate) vcd file.\n";
print STDERR "This is not very efficient -- so use with care with large vcd files.\n";
print STDERR "\n";
exit 1;
}
my $fn_gold = $ARGV[0];
my $fn_gate = $ARGV[1];
print "Finding common signals..\n";
my @gold_signals = list_sigs($fn_gold);
my @gate_signals = list_sigs($fn_gate);
my %gold_signals_hash;
my %gate_signals_hash;
for (@gold_signals) {
my $fullname = $_;
s/(\[([0-9]+|[0-9]+:[0-9]+)\])$//;
$gold_signals_hash{$_}->{$fullname} = 1 unless /(^|\.)_[0-9]+_/;
}
for (@gate_signals) {
my $fullname = $_;
s/(\[([0-9]+|[0-9]+:[0-9]+)\])$//;
$gate_signals_hash{$_}->{$fullname} = 1 unless /(^|\.)_[0-9]+_/;
}
my @signals;
for my $net (sort keys %gold_signals_hash) {
next unless exists $gate_signals_hash{$net};
# next unless $net eq "tst_bench_top.i2c_top.byte_controller.bit_controller.cnt";
my %orig_net_names;
print "common signal: $net";
for my $fullname (keys $gold_signals_hash{$net}) {
$orig_net_names{$fullname} = 1;
}
for my $fullname (keys $gate_signals_hash{$net}) {
$orig_net_names{$fullname} = 1;
}
for my $_ (sort keys %orig_net_names) {
push @signals, $_;
print " $1" if /(\[([0-9]+|[0-9]+:[0-9]+)\])$/;
}
print "\n";
}
print "Loading gold vcd data..\n";
my $vcd_gold = parse_vcd($fn_gold, {siglist => \@signals});
print "Loading gate vcd data..\n";
my $vcd_gate = parse_vcd($fn_gate, {siglist => \@signals});
# print Dumper($vcd_gold);
# print Dumper($vcd_gate);
my %times;
my $signal_maxlen = 8;
my $data_gold = { };
my $data_gate = { };
sub checklen($$)
{
my ($net, $val) = @_;
my $thislen = length $val;
$thislen += $1 if $net =~ /\[([0-9]+)\]$/;
$thislen += $1 if $net =~ /\[([0-9]+):[0-9]+\]$/;
$signal_maxlen = $thislen if $signal_maxlen < $thislen;
}
print "Processing gold vcd data..\n";
for my $key (keys %$vcd_gold) {
for my $net (@{$vcd_gold->{$key}->{'nets'}}) {
my $netname = $net->{'hier'} . "." . $net->{'name'};
for my $tv (@{$vcd_gold->{$key}->{'tv'}}) {
my $time = int($tv->[0]);
my $value = $tv->[1];
checklen($netname, $value);
$data_gold->{$time}->{$netname} = $value;
$times{$time} = 1;
}
}
}
print "Processing gate vcd data..\n";
for my $key (keys %$vcd_gate) {
for my $net (@{$vcd_gate->{$key}->{'nets'}}) {
my $netname = $net->{'hier'} . "." . $net->{'name'};
for my $tv (@{$vcd_gate->{$key}->{'tv'}}) {
my $time = int($tv->[0]);
my $value = $tv->[1];
checklen($netname, $value);
$data_gate->{$time}->{$netname} = $value;
$times{$time} = 1;
}
}
}
my $diffcount = 0;
my %state_gold;
my %state_gate;
my %signal_sync;
my %touched_nets;
sub set_state_bit($$$$)
{
my ($state, $net, $bit, $value) = @_;
my @data;
@data = split //, $state->{$net} if exists $state->{$net};
unshift @data, "-" while $#data < $bit;
$data[$#data - $bit] = $value;
$state->{$net} = join "", @data;
$signal_sync{$net} = 1 unless exists $signal_sync{$net};
$touched_nets{$net} = 1;
}
sub set_state($$$)
{
my ($state, $net, $value) = @_;
if ($net =~ /(.*)\[([0-9]+)\]$/) {
set_state_bit($state, $1, $2, $value);
return;
}
if ($net =~ /(.*)\[([0-9]+):([0-9]+)\]$/) {
my ($n, $u, $d) = ($1, $2, $3);
my @bits = split //, $value;
my $extbit = $bits[0] eq "1" ? "0" : $bits[0];
unshift @bits, $extbit while $#bits < $u - $d;
set_state_bit($state, $n, $u--, shift @bits) while $u >= $d;
return;
}
$state->{$net} = $value;
$signal_sync{$net} = 1 unless exists $signal_sync{$net};
$touched_nets{$net} = 1;
}
sub cmp_signal($$)
{
my ($a, $b) = @_;
return 1 if $a eq $b;
my @a = split //, $a;
my @b = split //, $b;
unshift @a, "-" while $#a < $#b;
unshift @b, "-" while $#b < $#a;
for (my $i = 0; $i <= $#a; $i++) {
return 0 if $a[$i] ne "x" && $a[$i] ne $b[$i];
}
return 1;
}
print "Comparing vcd data..\n";
for my $time (sort { $a <=> $b } keys %times)
{
%touched_nets = ();
for my $net (keys %{$data_gold->{$time}}) {
set_state(\%state_gold, $net, $data_gold->{$time}->{$net});
}
for my $net (keys %{$data_gate->{$time}}) {
set_state(\%state_gate, $net, $data_gate->{$time}->{$net});
}
for my $net (sort keys %touched_nets) {
my ($stgo, $stga) = ('-', '-');
$stgo = $state_gold{$net} if exists $state_gold{$net};
$stga = $state_gate{$net} if exists $state_gate{$net};
if (cmp_signal($stgo, $stga)) {
next if $signal_sync{$net};
printf "%-10s %-20d %-*s %-*s %s\n", "<sync>", $time, $signal_maxlen, $stgo, $signal_maxlen, $stga, $net;
$signal_sync{$net} = 1;
} else {
printf "\n%-10s %-20s %-*s %-*s %s\n", "count", "time", $signal_maxlen, "gold", $signal_maxlen, "gate", "net" if $diffcount++ == 0;
printf "%-10d %-20d %-*s %-*s %s\n", $diffcount, $time, $signal_maxlen, $stgo, $signal_maxlen, $stga, $net;
$signal_sync{$net} = 0;
}
}
}
print "Found $diffcount differences.\n";
exit ($diffcount > 0 ? 1 : 0);