mirror of
https://git.rtems.org/rtems-libbsd/
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106 lines
3.5 KiB
Python
Executable File
106 lines
3.5 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2016 embedded brains GmbH. All rights reserved.
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#
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# embedded brains GmbH
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# Dornierstr. 4
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# 82178 Puchheim
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# Germany
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# <rtems@embedded-brains.de>
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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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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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import argparse
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import re
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parser = argparse.ArgumentParser(
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description=(
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"Convert a binary firmware file to a rtems-libbsd firmware c file. "
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"Note that you have to convert the FreeBSD uu-encoded files first."
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))
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parser.add_argument(
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"name",
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help="Name of the firmware",
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)
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parser.add_argument(
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"fw_bin",
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help="Binary firmware file.",
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type=argparse.FileType("rb"),
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)
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parser.add_argument(
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"out",
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help="Output file.",
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type=argparse.FileType("w"),
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)
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parser.add_argument(
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"-l", "--license",
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help="License file. Will be formatted as a comment and put on top.",
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type=argparse.FileType("r"),
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)
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args = parser.parse_args()
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if args.license is not None:
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args.out.write("/*\n")
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for line in args.license:
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args.out.write(" * " + line)
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args.out.write(" */\n")
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name = args.name
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cname = re.sub(r'[^0-9a-zA-Z]', "_", name)
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args.out.write("#include <machine/rtems-bsd-kernel-space.h>\n")
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args.out.write("#include <sys/types.h>\n")
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args.out.write("#include <sys/kernel.h>\n")
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args.out.write("#include <sys/firmware.h>\n")
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args.out.write("\n")
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args.out.write("static const unsigned char %s[] = {" % (cname))
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count = 0
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while True:
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c = args.fw_bin.read(1)
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if not c:
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break
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if count % 12 == 0:
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args.out.write("\n\t")
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count = count + 1
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args.out.write("0x%02x, " % ord(c))
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args.out.write("\n};\n")
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args.out.write("static const size_t %s_size = sizeof(%s);\n" % (cname, cname))
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args.out.write("\n")
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args.out.write("static void\n")
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args.out.write("%s_sysinit(void)\n" % (cname))
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args.out.write("{\n")
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args.out.write("\tconst struct firmware *fp;\n")
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args.out.write("\tfp = firmware_register(\"%s\",\n" % (name))
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args.out.write("\t %s,\n" % (cname))
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args.out.write("\t %s_size,\n" % (cname))
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args.out.write("\t 1, NULL);\n")
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args.out.write("\tBSD_ASSERT(fp != NULL);\n")
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args.out.write("}\n")
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args.out.write("SYSINIT(%s, SI_SUB_DRIVERS, SI_ORDER_ANY,\n" % (cname))
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args.out.write(" %s_sysinit, NULL);\n" % (cname))
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# vim: set ts=4 sw=4 et:
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