mirror of
https://github.com/ipxe/ipxe
synced 2026-04-16 03:00:10 +03:00
Initial revision
This commit is contained in:
Michael Brown
Executable
+135
@@ -0,0 +1,135 @@
|
||||
#! /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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 = $_;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user