gpxe/src/util/parserom.pl

   1 #!/usr/bin/perl -w
   2 #
   3 # Parse PCI_ROM and ISA_ROM entries from a source file on stdin and
   4 # output the relevant Makefile variable definitions to stdout
   5 #
   6 # Based upon portions of Ken Yap's genrules.pl
   7
   8 use strict;
   9 use warnings;
  10
  11 die "Syntax: $0 driver_source.c" unless @ARGV == 1;
  12 my $source = shift;
  13 open DRV, "<$source" or die "Could not open $source: $!\n";
  14
  15 ( my $family, my $driver_name ) = ( $source =~ /^(.*?([^\/]+))\..$/ )
  16     or die "Could not parse source file name \"$source\"\n";
  17
  18 my $printed_family;
  19
  20 sub rom {
  21   ( my $type, my $image, my $desc, my $vendor, my $device ) = @_;
  22   my $ids = $vendor ? "$vendor,$device" : "-";
  23   unless ( $printed_family ) {
  24     print "\n";
  25     print "# NIC\t\n";
  26     print "# NIC\tfamily\t$family\n";
  27     print "DRIVERS += $driver_name\n";
  28     $printed_family = 1;
  29   }
  30   print "\n";
  31   print "# NIC\t$image\t$ids\t$desc\n";
  32   print "DRIVER_$image = $driver_name\n";
  33   print "ROM_TYPE_$image = $type\n";
  34   print "ROM_DESCRIPTION_$image = \"$desc\"\n";
  35   print "PCI_VENDOR_$image = 0x$vendor\n" if $vendor;
  36   print "PCI_DEVICE_$image = 0x$device\n" if $device;
  37   print "ROMS += $image\n";
  38   print "ROMS_$driver_name += $image\n";
  39 }
  40
  41 while ( <DRV> ) {
  42   next unless /(PCI|ISA)_ROM\s*\(/;
  43
  44   if ( /^\s*PCI_ROM\s*\(
  45          \s*0x([0-9A-Fa-f]{4})\s*, # PCI vendor
  46          \s*0x([0-9A-Fa-f]{4})\s*, # PCI device
  47          \s*\"([^\"]*)\"\s*,       # Image
  48          \s*\"([^\"]*)\"\s*        # Description
  49        \)/x ) {
  50     ( my $vendor, my $device, my $image, my $desc ) = ( lc $1, lc $2, $3, $4 );
  51     rom ( "pci", $image, $desc, $vendor, $device );
  52     rom ( "pci", lc "${vendor}${device}", $desc, $vendor, $device );
  53   } elsif ( /^\s*ISA_ROM\s*\(
  54               \s*\"([^\"]*)\"\s*,  # Image
  55               \s*\"([^\"]*)\"\s*   # Description
  56             \)/x ) {
  57     ( my $image, my $desc ) = ( $1, $2 );
  58     rom ( "isa", $image, $desc );
  59   } else {
  60     warn "Malformed PCI_ROM or ISA_ROM macro on line $. of $source\n";
  61   }
  62 }
  63
  64 close DRV;