Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

#!/usr/bin/perl -w

use strict;

use warnings;

use List::Util 'shuffle';

require "widget.pl";

use constant SIM_RAM_GEN        => 0;

use constant JTAG_RAM_INDEX     => 128;

use constant JTAG_DONE_RESET_INDEX      => 127;

use constant RESET_NOC          => " $ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_DONE_RESET_INDEX." -d \"I:1,D:2:1,I:0\" ";

use constant UNRESET_NOC        => " $ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_DONE_RESET_INDEX." -d \"I:1,D:2:0,I:0\" ";

use constant READ_DONE_CMD      => " $ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_DONE_RESET_INDEX." -d \"I:2,R:2:0,I:0\" ";

use constant UPDATE_WB_ADDR     => 0x7;

use constant UPDATE_WB_WR_DATA  => 0x6;

use constant UPDATE_WB_RD_DATA  => 0x5;

use constant RD_WR_STATUS       => 0x4;

use constant PROBE_ST           => 0x2;

use constant SOURCE_ST          => 0x1;

use constant BYPAS_ST           => 0x0;

use constant RAM_BIN_FILE       => "$ENV{'PRONOC_WORK'}/emulate/emulate_ram.bin";

use constant RAM_SIM_FILE       => "$ENV{'PRONOC_WORK'}/emulate/ram";

sub reset_cmd {

        my ($ctrl_reset, $noc_reset)=@_;

        my $reset_vector= (($ctrl_reset & 0x1) << 1) +  ($noc_reset & 0x1);

        my $cmd = " $ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_DONE_RESET_INDEX." -d \"I:1,D:2:$reset_vector,I:0\" ";

        #print "$cmd\n";

        return  $cmd;

}

sub help {

                print

"       usage: ./ram_gen X  Y TRAFFIC

                X:  number of node in X direction 2<x<=16

                Y:  number of node in Y direction 2<y<=16

                TRAFFIC : select one of the following traffic patterns :

                        tornado,

                        transposed 1,

                        transposed 2,

                        random,

";

}

sub random_dest_gen {

        my $n=shift;

        my @c=(0..$n-1);

        my @o;

        for (my $i=0; $i<$n; $i++){

                my @l= shuffle @c;

                @l=remove_scolar_from_array(\@l,$i);

                $o[$i]=\@l;

        }

        return \@o;

}

sub run_cmd_update_info {

        my ($cmd,$info)=@_;

        my ($stdout,$exit,$stderr)=run_cmd_in_back_ground_get_stdout($cmd);

                if($exit){

                        add_info($info, "$stdout\n") if(defined $stdout);

                        add_info($info, "$stderr\n") if(defined $stderr);

                }

        #print  "\n$cmd \n $stdout";

        return $exit;

}

sub synthetic_destination{

        my($traffic,$x,$y,$xn,$yn,$line_num,$rnd)=@_;

        my $dest_x;

        my $dest_y;

        my $xw          =   log2($xn);

        my $yw          =   log2($yn);

        if( $traffic eq "transposed 1"){

                 $dest_x= $xn-$y-1;

                 $dest_y= $yn-$x-1;

        } elsif( $traffic eq "transposed 2"){

                $dest_x  = $y;

                $dest_y  = $x;

        } elsif( $traffic eq "bit reverse"){

                my $joint_addr= ($x << log2($xn))+$y;

                my $reverse_addr=0;

                my $pos=0;

                for(my $i=0; $i<($xw+$yw); $i++){#reverse the address

                         $pos= ((($xw+$yw)-1)-$i);

                         $reverse_addr|= (($joint_addr >> $pos) & 0x01) << $i;

                   # reverse_addr[i]  = joint_addr [((Xw+Yw)-1)-i];

                }

                $dest_x  = $reverse_addr>>$yw;

                $dest_y  = $reverse_addr&(0xFF>> (8-$yw));

         } elsif( $traffic  eq "bit complement") {

                 $dest_x   = (~$x) &(0xFF>> (8-$xw));

                 $dest_y   = (~$y) &(0xFF>> (8-$yw));

        }elsif( $traffic eq "tornado") {

                #[(x+(k/2-1)) mod k, (y+(k/2-1)) mod k],

                 $dest_x   = (($x + (($xn/2)-1))%$xn);

                 $dest_y   = (($y + (($yn/2)-1))%$yn);

        }elsif( $traffic eq "random") {

                 #my $num=($y * $xn) +  $x;

                my $xc=$xn * $yn;

                my @randoms=@{$rnd};

                my $num=($y * $xn) +    $x;

                my $dest = @{$randoms[$num]}[$line_num-1];

                #print "$num:$dest, "; # \@{ \$randoms\[$num\]\}\[$line_num\]"; 

                $dest_x   = $dest % $xn;

                $dest_y   = $dest  / $xn;

        } else{#off

                 print "***********************************$traffic is not defined*******************************************\n";

                 $dest_x= $x;

                 $dest_y= $y;

        }

        return ($dest_x,$dest_y);

}

sub gen_synthetic_traffic_ram_line{

        my ($emulate,  $x, $y,  $sample_num,$ratio ,$line_num,$rnd)=@_;

        my $ref=$emulate->object_get_attribute("sample$sample_num","noc_info");

        my %noc_info= %$ref;

        my $xn=$noc_info{NX};

        my $yn=$noc_info{NY};

        my $traffic=$emulate->object_get_attribute("sample$sample_num","traffic");

        my $pck_num_to_send=$emulate->object_get_attribute("sample$sample_num","PCK_NUM_LIMIT");

        my $pck_size=$emulate->object_get_attribute("sample$sample_num","PCK_SIZE");

        my $pck_class_in=0;

        if($line_num==0){ #first ram line shows how many times the ram content must be read 

                 #In random traffic each node sends 2 packets to other NC-1  nodes for (pck_num_to_send/2) times 

                        my $ram_cnt=  ($traffic eq 'random')? ($pck_num_to_send/(2*(($xn * $yn)-1)))+1:0 ;

                        return (0,$ram_cnt);

        }

        return (0,0) if($line_num>1  && $traffic ne 'random');

        return (0,0) if( $line_num>= $xn * $yn);

        #assign {pck_num_to_send_in,ratio_in, pck_size_in,dest_x_in, dest_y_in,pck_class_in, last_adr_in}= q_a;

        my $last_adr  = ( $traffic ne 'random') ? 1 :

                         ($line_num ==($xn * $yn)-1)? 1 :0;

        my ($dest_x, $dest_y)=synthetic_destination($traffic,$x,$y,$xn,$yn,$line_num,$rnd);

        my $vs= ( $traffic eq 'random')? 2 : $pck_num_to_send;

        $vs=($vs << 2 )+ ($ratio >>5) ;

        my $vl= ($ratio %32);

        $vl=($vl << PCK_SIZw )+$pck_size;

        $vl=($vl << MAXXw )+$dest_x;

        $vl=($vl << MAXYw )+$dest_y;

        $vl=($vl << MAXCw )+$pck_class_in;

        $vl=($vl << 1 )+$last_adr;

        return ($vs,$vl);

}

sub generate_synthetic_traffic_ram{

        my ($emulate,$x,$y,$sample_num,$ratio , $file,$rnd,$num)=@_;

        my $RAM_size=MAX_PATTERN+4;

        my $line_num;

        my $line_value;

        my $ram;

        if(SIM_RAM_GEN){

                my $ext= sprintf("%02u.txt",$num);

                open( $ram, '>', RAM_SIM_FILE.$ext) || die "Can not create: \">lib/emulate/emulate_ram.bin\" $!";

        }

        for ($line_num= 0; $line_num<MAX_PATTERN+4; $line_num++ ) {

                my ($value_s,$value_l)=gen_synthetic_traffic_ram_line ($emulate,  $x, $y,  $sample_num, $ratio ,$line_num,$rnd);

                #printf ("\n%08x\t",$value_s);

                #printf ("%08x\t",$value_l);

                if(SIM_RAM_GEN){

                        my $s=sprintf("%08X%08x",$value_s,$value_l);

                        print $ram "$s\n";

                }

                print_32_bit( $file, $value_s); # most significent 32 bit

                print_32_bit( $file, $value_l); # list significent 32 bit

        }

        if(SIM_RAM_GEN){

                close($ram);

        }

        #print "\n";

        #last ram three rows reserved for reading data from emulator

}

sub print_32_bit {

        my ($file,$v)=@_;

        for (my $i= 24; $i >=0 ; $i-=8) {

                my $byte= ($v >> $i ) & 0xFF;

                print $file pack('C*',$byte);

                #printf ("%02x\t",$byte);

        }

}

sub generate_emulator_ram {

        my ($emulate, $sample_num,$ratio_in,$info)=@_;

        my $ref=$emulate->object_get_attribute("sample$sample_num","noc_info");

        my %noc_info= %$ref;

        my $C=$noc_info{C};

        my $xn=$noc_info{NX};

        my $yn=$noc_info{NY};

        my $xc=$xn*$yn;

        my $rnd=random_dest_gen($xc); # generate a matrix of sudo random number

        my $traffic=$emulate->object_get_attribute("sample$sample_num","traffic");

        my @traffics=("tornado", "transposed 1", "transposed 2", "bit reverse", "bit complement","random", "hot spot" );

        if ( !defined $xn || $xn!~ /\s*\d+\b/ ){ add_info($info,"programe_pck_gens:invalid X value\n"); help(); return 0;}

        if ( !defined $yn || $yn!~ /\s*\d+\b/ ){ add_info($info,"programe_pck_gens:invalid Y value\n"); help(); return 0;}

        if ( !grep( /^$traffic$/, @traffics ) ){add_info($info,"programe_pck_gens:$traffic is an invalid Traffic name\n"); help(); return 0;}

        if ( $xn <2 || $xn >16 ){ add_info($info,"programe_pck_gens:invalid X value: ($xn). should be between 2 and 16 \n"); help(); return 0;}

        if ( $yn <2 || $yn >16 ){ add_info($info,"programe_pck_gens:invalid Y value:($yn). should be between 2 and 16 \n"); help(); return 0;}

        #open file pointer

        #open(my $file, RAM_BIN_FILE) || die "Can not create: \">lib/emulate/emulate_ram.bin\" $!";

        open(my $file, '>', RAM_BIN_FILE) || die "Can not create: \">lib/emulate/emulate_ram.bin\" $!";

        #generate each node ram data

        for (my $y=0; $y<$yn; $y=$y+1){

                for (my $x=0; $x<$xn; $x=$x+1){

                        my $num=($y * $xn) +    $x;

                        generate_synthetic_traffic_ram($emulate,$x,$y,$sample_num,$ratio_in, $file,$rnd,$num);

                }

        }

        close($file);

        return 1;

}

sub programe_pck_gens{

        my ($emulate, $sample_num,$ratio_in,$info)= @_;

        return 0 if(!generate_emulator_ram($emulate, $sample_num,$ratio_in,$info));

        #reset the FPGA board   

        #run_cmd_in_back_ground("quartus_stp -t ./lib/tcl/mem.tcl reset");

        return 0 if(run_cmd_update_info(reset_cmd(1,1),$info)); #reset both noc and jtag

        return 0 if(run_cmd_update_info(reset_cmd(0,1),$info)); #enable jtag keep noc in reset

        #programe packet generators rams

        my $cmd= "$ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_RAM_INDEX." -w 8 -i ".RAM_BIN_FILE." -c";

        #my ($result,$exit) = run_cmd_in_back_ground_get_stdout($cmd);

        return 0 if(run_cmd_update_info ($cmd,$info));

        #print $result;

        return 0 if(run_cmd_update_info(reset_cmd(1,1),$info)); #reset both

        return 0 if(run_cmd_update_info(reset_cmd(0,0),$info)); #enable both

#run_cmd_in_back_ground("quartus_stp -t ./lib/tcl/mem.tcl unreset");

#add_info($info,"$r\n");

return 1;

}

sub read_jtag_memory{

        my $addr=shift;

        my $cmd= "$ENV{'PRONOC_WORK'}/toolchain/bin/jtag_main -n ".JTAG_RAM_INDEX." -w 8 -d \"I:".UPDATE_WB_ADDR.",D:64:$addr,I:5,R:64:$addr,I:0\"";

        #print "$cmd\n";        

        my ($result,$exit) = run_cmd_in_back_ground_get_stdout($cmd);

        my @q =split  (/###read data#/,$result);

        my $d=$q[1];

        my $s= substr $d,2;

        #print "$s\n";

        return hex($s);

}

sub read_pack_gen{

        my ($emulate,$sample_num,$info)= @_;

        my $ref=$emulate->object_get_attribute("sample$sample_num","noc_info");

        my %noc_info= %$ref;

        my $xn=$noc_info{NX};

        my $yn=$noc_info{NY};

#wait for done 

    add_info($info, "wait for done\n");

    my $done=0;

    my $counter=0;

    while ($done ==0){

                usleep(300000);

                #my ($result,$exit) = run_cmd_in_back_ground_get_stdout("quartus_stp -t ./lib/tcl/read.tcl done");

                my ($result,$exit) = run_cmd_in_back_ground_get_stdout(READ_DONE_CMD);

                if($exit != 0 ){

                        add_info($info,$result);

                        return undef;

                }

                my @q =split  (/###read data#/,$result);

                #print "\$result=$result\n";

                $done=($q[1] eq "0x0")? 0 : 1;

                #print "\$q[1]=$q[1] done=$done\n";

                $counter++;

                if($counter == 15){ # 

                        add_info($info,"Done is not asserted. I reset the board and try again\n");

                        return if(run_cmd_update_info (reset_cmd(1,1),$info));

                        #run_cmd_in_back_ground("quartus_stp -t ./lib/tcl/mem.tcl reset");

                        usleep(300000);

                        return if(run_cmd_update_info (reset_cmd(0,0),$info));

                        #run_cmd_in_back_ground("quartus_stp -t ./lib/tcl/mem.tcl unreset");                    

                }

                if($counter>30){

                          #something is wrong

                        add_info($info,"Done is not asserted again. I  am going to ignore this test case");

                        return undef;

                }

        }

        add_info($info,"Done is asserted\n");

        #print" Done is asserted\n";

        #my $i=0;

        my %results;

        my $sum_of_latency=0;

        my $sum_of_pck=0;

        for (my $y=0; $y<$yn; $y=$y+1){

                for (my $x=0; $x<$xn; $x=$x+1){

                        my $num=($y * $xn) +    $x;

                        my $read_addr=($num * RAM_SIZE) + MAX_PATTERN +1;

                        my $sent_pck_addr=  sprintf ("%X",$read_addr);

                        my $got_pck_addr =  sprintf ("%X",$read_addr+1);

                        my $latency_addr =  sprintf ("%X",$read_addr+2);

                        $results{$num}{sent_pck}=read_jtag_memory($sent_pck_addr);

                        $results{$num}{got_pck}=read_jtag_memory($got_pck_addr);

                        $results{$num}{latency}=read_jtag_memory($latency_addr);

                        print "read pckgen $num\n";

                        $sum_of_latency+=$results{$num}{latency};

                        $sum_of_pck+=$results{$num}{got_pck};

                #$i=$i+2;

        }}

        foreach my $p (sort keys %results){

                #print "$p  : \n latency: $results{$p}{latency}\n";

                #print " got_pck : $results{$p}{got_pck}\n";

                #print "sent_pck:$results{$p}{sent_pck}\n\n";

        }

        my $avg= ($sum_of_pck>0)? $sum_of_latency/$sum_of_pck : 0;

        return sprintf("%.1f", $avg);

}