summaryrefslogtreecommitdiffstats
path: root/qemu/roms/ipxe/src/util/get-pci-ids
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/ipxe/src/util/get-pci-ids')
-rwxr-xr-xqemu/roms/ipxe/src/util/get-pci-ids136
1 files changed, 136 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/util/get-pci-ids b/qemu/roms/ipxe/src/util/get-pci-ids
new file mode 100755
index 000000000..424662212
--- /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 = $_;
+ }
+}
+
+