Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / util / get-pci-ids

diff --git a/qemu/roms/ipxe/src/util/get-pci-ids b/qemu/roms/ipxe/src/util/get-pci-ids
new file mode 100755 (executable)
index 0000000..4246622
--- /dev/null
+++ b/qemu/roms/ipxe/src/util/get-pci-ids
@@ -0,0 +1,136 @@
+#! /usr/bin/perl -w
+
+# get-pci-ids: extract pci vendor/device ids from linux net drivers
+
+# Copyright (C) 2003 Georg Baum <gbaum@users.sf.net>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
+
+
+# Known bugs/limitations:
+# - Does not recognize all drivers because some require special cflags.
+#   Fails also on some drivers that do belong to other architectures
+#   than the one of the machine this script is running on.
+#   This is currently not so important because all drivers that have an
+#   Etherboot counterpart are recognized.
+
+
+use strict;
+use File::Basename "dirname";
+use POSIX "uname";
+
+# Where to find the kernel sources
+my $kernel_src = "/usr/src/linux";
+
+if($#ARGV >= 0) {
+       $kernel_src = shift;
+}
+
+# Sanity checks
+if($#ARGV >= 0) {
+       print STDERR "Too many arguments.\n";
+       print STDERR "Usage: get-pci-ids [path to kernel sources]\n";
+       print STDERR "       /usr/src/linux is assumed if no path is given.\n";
+       exit 1;
+}
+
+unless(-f "$kernel_src/include/linux/version.h") {
+       print STDERR "Could not find $kernel_src/include/linux/version.h.\n";
+       print STDERR "$kernel_src is probably no Linux kernel source tree.\n";
+       exit 1;
+}
+
+# Flags that are needed to preprocess the drivers.
+# Some drivers need optimization
+my $cflags="-D__KERNEL__ -I$kernel_src/include -I$kernel_src/net/inet -O2";
+
+# The C preprocessor. It needs to spit out the preprocessed source on stdout.
+my $cpp="gcc -E";
+
+# List of drivers. We parse every .c file. It does not harm if it does not contain a driver.
+my @drivers = split /\s+/, `find $kernel_src/drivers/net -name '*.c' | sort`;
+
+# Kernel version
+my $version = `grep UTS_RELEASE $kernel_src/include/linux/version.h`;
+chomp $version;
+$version =~ s/\s*#define\s+UTS_RELEASE\s+"(\S+)".*$/$1/g;
+
+# Architecture
+my @uname = uname();
+
+
+# Print header
+print "# PCI vendor/device ids extracted from Linux $version on $uname[4] at " . gmtime() . "\n";
+
+my $driver;
+
+# Process the drivers
+foreach $driver (@drivers) {
+
+       # Preprocess to expand macros
+       my $command = "$cpp $cflags -I" . dirname($driver) . " $driver";
+       open  DRIVER, "$command |" or die "Could not execute\n\"$command\".\n";
+
+       # Extract the pci_device_id structure
+       my $found = 0;
+       my $line = "";
+       my @lines;
+       while(<DRIVER>) {
+               if(/^\s*static\s+struct\s+pci_device_id/) {
+                       # This file contains a driver. Print the name.
+                       $driver =~ s!$kernel_src/drivers/net/!!g;
+                       print "\n$driver\n";
+                       $found = 1;
+                       next;
+               }
+               if($found == 1){
+                       if(/\};/ or /{\s*0\s*,?\s*}/) {
+                               # End of struct
+                               $found = 0;
+                       } else {
+                               chomp;
+                               if(/\}\s*,?\s*\n?$/) {
+                                       # This line contains a full entry or the last part of it.
+                                       $_ = $line . $_;
+                                       $line = "";
+                                       s/[,\{\};\(\)]//g;      # Strip punctuation
+                                       s/^\s+//g;              # Eat whitespace at beginning of line
+                                       tr[A-Z][a-z];           # Convert to lowercase
+                                       # Push the vendor and device id to @lines if this line is not empty.
+                                       # We ignore everything else that might be there
+                                       my ($vendor_id, $device_id, $remainder) = split /\W+/, $_, 3;
+                                       push @lines, "$vendor_id $device_id\n" if($vendor_id && $device_id);
+                               } else {
+                                       # This line does contain a partial entry. Remember it.
+                                       $line .= "$_ ";
+                               }
+                       }
+               }
+       }
+       close DRIVER;           # No "or die", because $cpp fails on some files
+
+       # Now print out the sorted values
+       @lines = sort @lines;
+       my $lastline = "";
+       foreach(@lines) {
+               # Print each vendor/device id combination only once.
+               # Some drivers (e.g. e100) do contain subfamilies
+               print if($_ ne $lastline);
+               $lastline = $_;
+       }
+}
+
+