diff options
Diffstat (limited to 'sys/tools/fw_stub.awk')
| -rw-r--r-- | sys/tools/fw_stub.awk | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/sys/tools/fw_stub.awk b/sys/tools/fw_stub.awk new file mode 100644 index 0000000..72383ba --- /dev/null +++ b/sys/tools/fw_stub.awk @@ -0,0 +1,189 @@ +#!/usr/bin/awk -f + +#- +# Copyright (c) 2006 Max Laier. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $FreeBSD$ + +# +# Script to generate module .c file from a list of firmware images +# + +function usage () +{ + print "usage: fw_stub <firmware:name>* [-m modname] [-c outfile]"; + exit 1; +} + +# These are just for convenience ... +function printc(s) +{ + if (opt_c) + print s > ctmpfilename; + else + print s > "/dev/stdout"; +} + +BEGIN { + +# +# Process the command line. +# + +num_files = 0; + +for (i = 1; i < ARGC; i++) { + if (ARGV[i] ~ /^-/) { + # + # awk doesn't have getopt(), so we have to do it ourselves. + # This is a bit clumsy, but it works. + # + for (j = 2; j <= length(ARGV[i]); j++) { + o = substr(ARGV[i], j, 1); + if (o == "c") { + if (length(ARGV[i]) > j) { + opt_c = substr(ARGV[i], j + 1); + break; + } + else { + if (++i < ARGC) + opt_c = ARGV[i]; + else + usage(); + } + } else if (o == "m") { + if (length(ARGV[i]) > j) { + opt_m = substr(ARGV[i], j + 1); + break; + } + else { + if (++i < ARGC) + opt_m = ARGV[i]; + else + usage(); + } + } else + usage(); + } + } else { + split(ARGV[i], curr, ":"); + filenames[num_files] = curr[1]; + if (length(curr[2]) > 0) + shortnames[num_files] = curr[2]; + else + shortnames[num_files] = curr[2]; + if (length(curr[3]) > 0) + versions[num_files] = int(curr[3]); + else + versions[num_files] = 0; + num_files++; + } +} + +if (!num_files || !opt_m) + usage(); + +cfilename = opt_c; +ctmpfilename = cfilename ".tmp"; + +printc("#include <sys/param.h>\ +#include <sys/errno.h>\ +#include <sys/kernel.h>\ +#include <sys/module.h>\ +#include <sys/linker.h>\ +#include <sys/firmware.h>\n"); + +for (file_i = 0; file_i < num_files; file_i++) { + symb = filenames[file_i]; + # '-', '.' and '/' are converted to '_' by ld/objcopy + gsub(/-|\.|\//, "_", symb); + printc("extern char _binary_" symb "_start[], _binary_" symb "_end[];"); +} + +printc("\nstatic int\n"\ +opt_m "_fw_modevent(module_t mod, int type, void *unused)\ +{\ + struct firmware *fp;\ + switch (type) {\ + case MOD_LOAD:"); + +for (file_i = 0; file_i < num_files; file_i++) { + short = shortnames[file_i]; + symb = filenames[file_i]; + version = versions[file_i]; + # '-', '.' and '/' are converted to '_' by ld/objcopy + gsub(/-|\.|\//, "_", symb); + + if (file_i == 0) + reg = "\t\tfp = "; + else + reg = "\t\t(void)"; + + reg = reg "firmware_register(\"" short "\", _binary_" symb "_start , "; + reg = reg "(size_t)(_binary_" symb "_end - _binary_" symb "_start), "; + reg = reg version ", "; + + if (file_i == 0) + reg = reg "NULL);"; + else + reg = reg "fp);"; + + printc(reg); +} + +printc("\t\treturn (0);\ + case MOD_UNLOAD:"); + +for (file_i = 1; file_i < num_files; file_i++) { + printc("\t\tfirmware_unregister(\"" shortnames[file_i] "\");"); +} + +printc("\t\tfirmware_unregister(\"" shortnames[0] "\");"); + +printc("\t\treturn (0);\ + }\ + return (EINVAL);\ +}\ +\ +static moduledata_t " opt_m "_fw_mod = {\ + \"" opt_m "_fw\",\ + " opt_m "_fw_modevent,\ + 0\ +};\ +DECLARE_MODULE(" opt_m "_fw, " opt_m "_fw_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\ +MODULE_VERSION(" opt_m "_fw, 1);\ +MODULE_DEPEND(iwi_boot_fw, firmware, 1, 1, 1);\ +"); + +if (opt_c) + if ((rc = system("mv -f " ctmpfilename " " cfilename))) { + print "'mv -f " ctmpfilename " " cfilename "' failed: " rc \ + > "/dev/stderr"; + exit 1; + } + +exit 0; + +} |
