contrib/gen-stellaris-part-header.pl

   1 #!/usr/bin/perl
   2 # SPDX-License-Identifier: GPL-2.0-or-later
   3
   4 # Automatically generates the StellarisParts struct in src/flash/nor/stellaris.c
   5 # Uses the header files from TI/Luminary's StellarisWare complete Firmware Development Package
   6 # available from: http://www.luminarymicro.com/products/software_updates.html
   7
   8 $comment = "// Autogenerated by contrib/gen-stellaris-part-header.pl
   9 // From Stellaris Firmware Development Package revision";
  10
  11 $struct_header = "static const struct {
  12         uint8_t class;
  13         uint8_t partno;
  14         const char *partname;
  15 } StellarisParts[] = {
  16 ";
  17
  18 $struct_footer = "\t{0xFF, 0x00, \"Unknown Part\"}\n};\n";
  19
  20 $#ARGV == 1 || die "Usage: $0 <inc directory> <output file>\n";
  21 -d $ARGV[0] || die $ARGV[0]." is not a directory\n";
  22 $dir = $ARGV[0];
  23 -f $ARGV[1] || die $ARGV[1]." is not a file\n";
  24 $file = $ARGV[1];
  25 print STDERR "Scanning $dir, Updating $file\n";
  26
  27 opendir(DIR, $dir) || die "can't open $dir: $!";
  28 @files = readdir(DIR);
  29 closedir(DIR);
  30
  31 @header_files = sort(grep(/lm.+\.h/, @files));
  32
  33 $ver = 0;
  34 $new_struct = $struct_header;
  35 process_file(@header_files);
  36 $new_struct .= $struct_footer;
  37
  38 $dump = "$comment $ver\n$new_struct";
  39 {
  40         local($/, *INPUT);
  41         open(INPUT, $file) || die "can't open $file: $!";
  42         $contents = <INPUT>;
  43         close(INPUT);
  44 }
  45
  46 $old_struct = qr/((^\/\/.*?\n)*)\Q$struct_header\E.*?$struct_footer/sm;
  47 $contents =~ s/$old_struct/$dump/;
  48 open(OUTPUT, ">$file") || die "can't open file $file for writing: $!";
  49 print OUTPUT $contents;
  50 close(OUTPUT);
  51
  52 sub process_file {
  53         foreach $h_file (@_) {
  54                 ($base) = ($h_file =~ m/lm..(.{3,7})\.h/ig);
  55                 $base = uc($base);
  56                 local($/, *FILE);
  57                 open(FILE, "$dir/$h_file");
  58                 $content = <FILE>;
  59                 close(FILE);
  60                 $invalid = 0;
  61                 if ($content =~ /This is part of revision (\d+) of/) {
  62                         if ($ver != 0 and $ver != $1) {
  63                                 print STDERR "File version mismatch: $ver != $1\n";
  64                                 $ver = max($ver, $1);
  65                         } else {
  66                                 $ver = $1;
  67                         }
  68                 }
  69
  70                 if ($content =~ /SYSCTL_DID0_CLASS_[^M].+?0x(\S+)/s) {
  71                         $class = hex($1) >> 16;
  72                 } else {
  73                         # attempt another way to get class
  74                         if ($content =~ /\s(\S+)-class/) {
  75                                 $class = getclass($1);
  76                                 if ($class eq 0xFF) {
  77                                         print STDERR "$h_file unknown class\n";
  78                                         $invalid = 1;
  79                                 }
  80                         } else {
  81                                 print STDERR "$h_file is missing SYSCTL_DID0_CLASS_\n";
  82                                 $class = 0;
  83                                 $invalid = 1;
  84                         }
  85                 }
  86
  87                 if ($content =~ /SYSCTL_DID1_PRTNO_$base.+0x(\S+)/) {
  88                         $prtno = hex($1);
  89                         $base = "LM3S" . $base;
  90                 } else {
  91                         # LM4F have a changed header
  92                         if ($content =~ /SYSCTL_DID1_PRTNO_LM4F$base.+?0x(\S+)/s) {
  93                                 $prtno = hex($1);
  94                                 $base = "LM4F" . $base;
  95                         } else {
  96                                 print STDERR "$h_file is missing SYSCTL_DID1_PRTNO\n";
  97                                 $prtno = 0;
  98                                 $invalid = 1;
  99                         }
 100                 }
 101                 $new_member = sprintf "{0x%02X, 0x%02X, \"%s\"},", $class, $prtno >> 16, $base;
 102                 if ($invalid == 1) {
 103                         #$new_struct .= "\t//$new_member\t// Invalid\n";
 104                 } else {
 105                         $new_struct .= "\t$new_member\n";
 106                 }
 107         }
 108 }
 109
 110 sub getclass {
 111         $class = $_[0];
 112         if ($class =~ /Sandstorm/i) {
 113                 return 0;
 114         } elsif ($class =~ /Fury/i) {
 115                 return 1;
 116         } elsif ($class =~ /DustDevil/i) {
 117                 return 3;
 118         } elsif ($class =~ /Tempest/i) {
 119                 return 4;
 120         } elsif ($class =~ /Blizzard/i) {
 121                 return 5;
 122         } elsif ($class =~ /Firestorm/i) {
 123                 return 6;
 124         }
 125         return 0xFF;
 126 }