4 # Copyright (c) 2006 Max Laier.
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 # Script to generate module .c file from a list of firmware images
36 print "usage: fw_stub <firmware:name>* [-m modname] [-c outfile]";
40 # These are just for convenience ...
44 print s > ctmpfilename;
46 print s > "/dev/stdout";
52 # Process the command line.
57 for (i = 1; i < ARGC; i++) {
60 # awk doesn't have getopt(), so we have to do it ourselves.
61 # This is a bit clumsy, but it works.
63 for (j = 2; j <= length(ARGV[i]); j++) {
64 o = substr(ARGV[i], j, 1);
66 if (length(ARGV[i]) > j) {
67 opt_c = substr(ARGV[i], j + 1);
76 } else if (o == "m") {
77 if (length(ARGV[i]) > j) {
78 opt_m = substr(ARGV[i], j + 1);
91 split(ARGV[i], curr, ":");
92 filenames[num_files] = curr[1];
93 if (length(curr[2]) > 0)
94 shortnames[num_files] = curr[2];
96 shortnames[num_files] = curr[2];
97 if (length(curr[3]) > 0)
98 versions[num_files] = int(curr[3]);
100 versions[num_files] = 0;
105 if (!num_files || !opt_m)
109 ctmpfilename = cfilename ".tmp";
111 printc("#include <sys/param.h>\
112 #include <sys/errno.h>\
113 #include <sys/kernel.h>\
114 #include <sys/module.h>\
115 #include <sys/linker.h>\
116 #include <sys/firmware.h>\n");
118 for (file_i = 0; file_i < num_files; file_i++) {
119 symb = filenames[file_i];
120 # '-', '.' and '/' are converted to '_' by ld/objcopy
121 gsub(/-|\.|\//, "_", symb);
122 printc("extern char _binary_" symb "_start[], _binary_" symb "_end[];");
125 printc("\nstatic int\n"\
126 opt_m "_fw_modevent(module_t mod, int type, void *unused)\
128 const struct firmware *fp, *parent;\
133 for (file_i = 0; file_i < num_files; file_i++) {
134 short = shortnames[file_i];
135 symb = filenames[file_i];
136 version = versions[file_i];
137 # '-', '.' and '/' are converted to '_' by ld/objcopy
138 gsub(/-|\.|\//, "_", symb);
141 reg = reg "firmware_register(\"" short "\", _binary_" symb "_start , ";
142 reg = reg "(size_t)(_binary_" symb "_end - _binary_" symb "_start), ";
143 reg = reg version ", ";
148 reg = reg "parent);";
152 printc("\t\tif (fp == NULL)");
153 printc("\t\t\tgoto fail_" file_i ";");
155 printc("\t\tparent = fp;");
158 printc("\t\treturn (0);");
160 for (file_i = num_files - 1; file_i > 0; file_i--) {
161 printc("\tfail_" file_i ":")
162 printc("\t\t(void)firmware_unregister(\"" shortnames[file_i - 1] "\");");
166 printc("\t\treturn (ENXIO);");
168 printc("\tcase MOD_UNLOAD:");
170 for (file_i = 1; file_i < num_files; file_i++) {
171 printc("\t\terror = firmware_unregister(\"" shortnames[file_i] "\");");
172 printc("\t\tif (error)");
173 printc("\t\t\treturn (error);");
176 printc("\t\terror = firmware_unregister(\"" shortnames[0] "\");");
178 printc("\t\treturn (error);\
183 static moduledata_t " opt_m "_fw_mod = {\
185 " opt_m "_fw_modevent,\
188 DECLARE_MODULE(" opt_m "_fw, " opt_m "_fw_mod, SI_SUB_DRIVERS, SI_ORDER_FIRST);\
189 MODULE_VERSION(" opt_m "_fw, 1);\
190 MODULE_DEPEND(" opt_m "_fw, firmware, 1, 1, 1);\
194 if ((rc = system("mv -f " ctmpfilename " " cfilename))) {
195 print "'mv -f " ctmpfilename " " cfilename "' failed: " rc \