Merged mcb30-realmode-redesign back to HEAD

1 files changed, 63 insertions, 0 deletions

diff --git a/src/util/parserom.pl b/src/util/parserom.pl
new file mode 100644
index 00000000..56bb9445
--- /dev/null
+++ b/src/util/parserom.pl
@@ -0,0 +1,63 @@
+#!/usr/bin/perl -w
+#
+# Parse PCI_ROM and ISA_ROM entries from a source file on stdin and
+# output the relevant Makefile variable definitions to stdout
+#
+# Based upon portions of Ken Yap's genrules.pl
+
+use strict;
+use warnings;
+
+die "Syntax: $0 driver_source.c" unless @ARGV == 1;
+my $source = shift;
+open DRV, "<$source" or die "Could not open $source: $!\n";
+
+( my $family, my $driver_name ) = ( $source =~ /^(.*?([^\/]+))\..$/ )
+    or die "Could not parse source file name \"$source\"\n";
+
+my $printed_family;
+
+sub rom {
+  ( my $type, my $image, my $desc, my $vendor, my $device ) = @_;
+  my $ids = $vendor ? "$vendor,$device" : "-";
+  unless ( $printed_family ) {
+    print "\n";
+    print "# NIC\t\n";
+    print "# NIC\tfamily\t$family\n";
+    print "DRIVERS += $driver_name\n";
+    $printed_family = 1;
+  }
+  print "\n";
+  print "# NIC\t$image\t$ids\t$desc\n";
+  print "DRIVER_$image = $driver_name\n";
+  print "ROM_TYPE_$image = $type\n";
+  print "ROM_DESCRIPTION_$image = \"$desc\"\n";
+  print "PCI_VENDOR_$image = $vendor\n" if $vendor;
+  print "PCI_DEVICE_$image = $device\n" if $device;
+  print "ROMS += $image\n";
+  print "ROMS_$driver_name += $image\n";
+}
+
+while ( <DRV> ) {
+  next unless /(PCI|ISA)_ROM\s*\(/;
+
+  if ( /^\s*PCI_ROM\s*\(
+         \s*(0x[0-9A-Fa-f]{4})\s*, # PCI vendor
+         \s*(0x[0-9A-Fa-f]{4})\s*, # PCI device
+         \s*\"([^\"]*)\"\s*,	   # Image
+         \s*\"([^\"]*)\"\s*	   # Description
+       \)/x ) {
+    ( my $vendor, my $device, my $image, my $desc ) = ( lc $1, lc $2, $3, $4 );
+    rom ( "pci", $image, $desc, $vendor, $device );
+  } elsif ( /^\s*ISA_ROM\s*\(
+	      \s*\"([^\"]*)\"\s*,  # Image
+	      \s*\"([^\"]*)\"\s*   # Description
+	    \)/x ) {
+    ( my $image, my $desc ) = ( $1, $2 );
+    rom ( "isa", $image, $desc );
+  } else {
+    warn "Malformed PCI_ROM or ISA_ROM macro on line $. of $source\n";
+  }
+}
+
+close DRV;