From d64eede155f2e3cc64e04b4c79b9778544e49186 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Fri, 24 Oct 2008 19:58:41 +0200 Subject: [PATCH] fwcutter: Add a stupid script to generate fwcutter_list.h entries from .o files Signed-off-by: Michael Buesch --- fwcutter/fwcutter_list.h | 65 ++++++++++++++++++++++++++ fwcutter/mklist.py | 98 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 163 insertions(+) create mode 100755 fwcutter/mklist.py diff --git a/fwcutter/fwcutter_list.h b/fwcutter/fwcutter_list.h index 0390788..4408225 100644 --- a/fwcutter/fwcutter_list.h +++ b/fwcutter/fwcutter_list.h @@ -156,6 +156,62 @@ static struct extract _cb8d70972b885b1f8883b943c0261a3c[] = EXTRACT_LIST_END }; +static struct extract _10f8cfb2893a11fe5b1cf003ee8d061f[] = +{ + { .name = "lp0initvals14", .offset = 0x982B0, .type = EXT_IV, .length = 0xB80 }, + { .name = "lp0bsinitvals14", .offset = 0x98E38, .type = EXT_IV, .length = 0x118 }, + { .name = "b0g0initvals9", .offset = 0x92218, .type = EXT_IV, .length = 0xAF0 }, + { .name = "a0g1bsinitvals9", .offset = 0x94540, .type = EXT_IV, .length = 0x118 }, + { .name = "b0g0bsinitvals13", .offset = 0x974D0, .type = EXT_IV, .length = 0x118 }, + { .name = "b0g0bsinitvals5", .offset = 0x90A78, .type = EXT_IV, .length = 0x118 }, + { .name = "ucode4", .offset = 0x9B868, .type = EXT_UCODE_1, .length = 0x4EA0 }, + { .name = "b0g0initvals4", .offset = 0x8E2D8, .type = EXT_IV, .length = 0xE80 }, + { .name = "b0g0initvals13", .offset = 0x96930, .type = EXT_IV, .length = 0xB98 }, + { .name = "ucode14", .offset = 0xBBB1C, .type = EXT_UCODE_2, .length = 0x7910 }, + { .name = "a0g0initvals5", .offset = 0x90B98, .type = EXT_IV, .length = 0xA18 }, + { .name = "lp0bsinitvals16", .offset = 0x9B748, .type = EXT_IV, .length = 0x118 }, + { .name = "pcm4", .offset = 0xD4A40, .type = EXT_PCM, .length = 0x520 }, + { .name = "a0g1bsinitvals5", .offset = 0x920F8, .type = EXT_IV, .length = 0x118 }, + { .name = "n0bsinitvals11", .offset = 0x95230, .type = EXT_IV, .length = 0x118 }, + { .name = "n0absinitvals11", .offset = 0x95350, .type = EXT_IV, .length = 0x118 }, + /* ERROR: Could not guess data type for: ucode_bomminor */ + { .name = "a0g1bsinitvals13", .offset = 0x98190, .type = EXT_IV, .length = 0x118 }, + { .name = "pcm5", .offset = 0xD4F64, .type = EXT_PCM, .length = 0x520 }, + /* ERROR: Could not guess data type for: ucode_2w_bomminor */ + { .name = "ucode9", .offset = 0xA5E00, .type = EXT_UCODE_2, .length = 0x6248 }, + { .name = "a0g0bsinitvals9", .offset = 0x94420, .type = EXT_IV, .length = 0x118 }, + { .name = "a0g0bsinitvals4", .offset = 0x90020, .type = EXT_IV, .length = 0x30 }, + { .name = "a0g1initvals5", .offset = 0x915B8, .type = EXT_IV, .length = 0xA18 }, + { .name = "n0bsinitvals16", .offset = 0x9A980, .type = EXT_IV, .length = 0x118 }, + { .name = "ucode16", .offset = 0xCBB9C, .type = EXT_UCODE_3, .length = 0x8EA0 }, + { .name = "b0g0bsinitvals4", .offset = 0x8F160, .type = EXT_IV, .length = 0x30 }, + { .name = "lp0initvals15", .offset = 0x98F58, .type = EXT_IV, .length = 0xC68 }, + { .name = "b0g0initvals5", .offset = 0x90058, .type = EXT_IV, .length = 0xA18 }, + { .name = "a0g0initvals4", .offset = 0x8F198, .type = EXT_IV, .length = 0xE80 }, + { .name = "sslpn0initvals16", .offset = 0x9AAA0, .type = EXT_IV, .length = 0x0 }, + { .name = "a0g1initvals13", .offset = 0x975F0, .type = EXT_IV, .length = 0xB98 }, + /* ERROR: Could not guess data type for: ucode_2w11 */ + /* ERROR: Could not guess data type for: ucode_bommajor */ + { .name = "a0g1initvals9", .offset = 0x93928, .type = EXT_IV, .length = 0xAF0 }, + { .name = "ucode5", .offset = 0xA070C, .type = EXT_UCODE_2, .length = 0x56F0 }, + { .name = "lp0bsinitvals13", .offset = 0x96810, .type = EXT_IV, .length = 0x118 }, + { .name = "n0initvals16", .offset = 0x99CE8, .type = EXT_IV, .length = 0xC90 }, + /* ERROR: Could not guess data type for: ucode_2w_bommajor */ + { .name = "b0g0bsinitvals9", .offset = 0x92D10, .type = EXT_IV, .length = 0x118 }, + { .name = "ucode11", .offset = 0xAC04C, .type = EXT_UCODE_2, .length = 0x8000 }, + { .name = "lp0initvals16", .offset = 0x9AAB0, .type = EXT_IV, .length = 0xC90 }, + /* ERROR: Could not guess data type for: ucode_2w15 */ + { .name = "a0g0initvals9", .offset = 0x92E30, .type = EXT_IV, .length = 0xAF0 }, + { .name = "lp0initvals13", .offset = 0x95470, .type = EXT_IV, .length = 0x1398 }, + { .name = "a0g0bsinitvals5", .offset = 0x91FD8, .type = EXT_IV, .length = 0x118 }, + { .name = "ucode13", .offset = 0xB4050, .type = EXT_UCODE_2, .length = 0x7AC8 }, + /* ERROR: Could not guess data type for: ucode_2w13 */ + { .name = "ucode15", .offset = 0xC3430, .type = EXT_UCODE_3, .length = 0x8768 }, + { .name = "lp0bsinitvals15", .offset = 0x99BC8, .type = EXT_IV, .length = 0x118 }, + { .name = "n0initvals11", .offset = 0x94660, .type = EXT_IV, .length = 0xBC8 }, + { .name = "sslpn0bsinitvals16", .offset = 0x9AAA8, .type = EXT_IV, .length = 0x0 }, + EXTRACT_LIST_END +}; /* * Links change, so let's not put them into the README. @@ -209,6 +265,15 @@ static const struct file files[] = .flags = FW_FLAG_LE | FW_FLAG_V4, .extract = _cb8d70972b885b1f8883b943c0261a3c, }, + { + /* ftp://ftp.linksys.com/downloads/NA/firmware/ */ + .name = "wl.o", + .id = "FW14", + .ucode_version = "478.104", + .md5 = "10f8cfb2893a11fe5b1cf003ee8d061f", + .flags = FW_FLAG_LE | FW_FLAG_V4 | FW_FLAG_UNSUPPORTED, + .extract = _10f8cfb2893a11fe5b1cf003ee8d061f, + }, }; #define FILES (sizeof(files) / sizeof(files[0])) diff --git a/fwcutter/mklist.py b/fwcutter/mklist.py new file mode 100755 index 0000000..1bc8351 --- /dev/null +++ b/fwcutter/mklist.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python +# +# Script for creating a "struct extract" list for fwcutter_list.h +# +# Copyright (c) 2008 Michael Buesch +# +# 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 ``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 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. + +import sys +import os +import re +import md5 + +if len(sys.argv) != 2: + print "Usage: %s path/to/wl.o" % sys.argv[0] + sys.exit(1) +fn = sys.argv[1] + +pipe = os.popen("objdump -t %s" % fn) +syms = pipe.readlines() +pipe = os.popen("objdump --headers %s" % fn) +headers = pipe.readlines() + +# Get the .rodata fileoffset +rodata_fileoffset = None +rofileoff_re = re.compile(r"\d+\s+\.rodata\s+[0-9a-fA-F]+\s+[0-9a-fA-F]+\s+[0-9a-fA-F]+\s+([0-9a-fA-F]+)\s+.") +for line in headers: + line = line.strip() + m = rofileoff_re.match(line) + if m: + rodata_fileoffset = int(m.group(1), 16) + break +if rodata_fileoffset == None: + print "ERROR: Could not find .rodata fileoffset" + sys.exit(1) + +md5sum = md5.md5(file(fn, "r").read()) + +print "static struct extract _%s[] =" % md5sum.hexdigest() +print "{" + +sym_re = re.compile(r"([0-9a-fA-F]+)\s+g\s+O\s+\.rodata\s+([0-9a-fA-F]+) d11([-_\s\w0-9]+)") +ucode_re = re.compile(r"ucode(\d+)") + +for sym in syms: + sym = sym.strip() + m = sym_re.match(sym) + if not m: + continue + pos = int(m.group(1), 16) + rodata_fileoffset + size = int(m.group(2), 16) + name = m.group(3) + if name[-2:] == "sz": + continue + + type = None + if "initvals" in name: + type = "EXT_IV" + size -= 8 + if "pcm" in name: + type = "EXT_PCM" + m = ucode_re.match(name) + if m: + corerev = int(m.group(1)) + if corerev <= 4: + type = "EXT_UCODE_1" + elif corerev >= 5 and corerev <= 14: + type = "EXT_UCODE_2" + else: + type = "EXT_UCODE_3" + if not type: + print "\t/* ERROR: Could not guess data type for: %s */" % name + continue + + print "\t{ .name = \"%s\", .offset = 0x%X, .type = %s, .length = 0x%X }," % (name, pos, type, size) +print "\tEXTRACT_LIST_END" +print "};" -- 2.31.1