5351b51128
and script for generating the MD MAKEDEV this is work in progress, some parts are still missing
130 lines
3.9 KiB
Awk
130 lines
3.9 KiB
Awk
#!/usr/bin/awk -
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#
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# $NetBSD: MAKEDEV.awk,v 1.1 2003/10/13 09:37:45 jdolecek Exp $
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#
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# Copyright (c) 2003 The NetBSD Foundation, Inc.
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# All rights reserved.
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#
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# This code is derived from software contributed to The NetBSD Foundation
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# by Jaromir Dolecek.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the NetBSD
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# Foundation, Inc. and its contributors.
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# 4. Neither the name of The NetBSD Foundation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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BEGIN {
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# top of source tree, used to find major number list in kernel
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# sources
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top = ENVIRON["NETBSDSRCDIR"]
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if (!top)
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top = ".."
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top = top "/sys/"
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if (system("test -d '" top "'") != 0) {
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print "ERROR: didn't find top of kernel tree ('" top "' not a directory)" > "/dev/stderr"
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exit 1
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}
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machine = ENVIRON["MACHINE"]
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if (!machine)
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machine = "i386" # XXX for testing
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maarch = ENVIRON["MACHINE_ARCH"]
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# file with major definitions
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majors[0] = "conf/majors"
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if (maarch == "arm32")
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majors[1] = "arch/arm/conf/majors.arm32";
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else if (machine == "evbsh5") {
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majors[1] = "arch/evbsh5/conf/majors.evbsh5";
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majors[2] = "arch/sh5/conf/majors.sh5";
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} else
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majors[1] = "arch/" machine "/conf/majors." machine;
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# process all files with majors and fill the chr[] and blk[]
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# arrays, used in template processing
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for(m in majors) {
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file = top majors[m]
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while (getline < file) {
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if ($1 == "device-major") {
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if ($3 == "char") {
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chr[$2] = $4
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if ($5 == "block")
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blk[$2] = $6
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} else if ($3 == "block")
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blk[$2] = $4
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}
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}
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}
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# initially no substitutions
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devsubst = 0
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deventry = ""
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}
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/%MI_DEVICES_BEGIN%/ {
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devsubst = 1;
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next
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}
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/%MI_DEVICES_END%/ {
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devsubst = 0;
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next
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}
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{
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# if device substitutions are not active, do nothing more
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if (!devsubst) {
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print
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next
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}
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}
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# first line of device entry
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/^[a-z].*\)$/ {
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if (length(deventry) > 0) {
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# We have a previous entry to print. Replace all known
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# character and block devices. If no unknown character
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# or block device definition remains within the entry,
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# print it to output, otherwise scrap it.
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for(c in chr)
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gsub("%" c "_chr%", chr[c], deventry)
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for(b in blk)
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gsub("%" b "_blk%", blk[b], deventry)
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if (deventry !~ "%[a-z]*_chr%" && deventry !~ "%[a-z]*_blk%")
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print deventry
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}
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deventry = $0
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next
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}
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# template line within device substitution section - just keep appending
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# to the current entry
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{
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deventry = deventry "\n" $0
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}
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