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November 4, 2015 21:00
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#!/usr/bin/python | |
# | |
# Copyright 2013 Ilia Mirkin. | |
# | |
# Permission is hereby granted, free of charge, to any person obtaining a | |
# copy of this software and associated documentation files (the "Software"), | |
# to deal in the Software without restriction, including without limitation | |
# the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
# and/or sell copies of the Software, and to permit persons to whom the | |
# Software is furnished to do so, subject to the following conditions: | |
# | |
# The above copyright notice and this permission notice shall be included in | |
# all copies or substantial portions of the Software. | |
# | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
# OTHER DEALINGS IN THE SOFTWARE. | |
import itertools | |
import mmap | |
import os | |
import re | |
import struct | |
import sys | |
import tempfile | |
import urllib | |
import zlib | |
# The firmware changes fairly rarely. From a limited sample, when the | |
# firmware does change, the starts of the firmware remain the | |
# same. When changing the version though, one should double-check the | |
# sizes, which can be different. | |
# | |
# This is the list of tested versions that produce the same binaries | |
VERSIONS = ( | |
"319.17", | |
"319.23", | |
"319.32", | |
"325.08", | |
"325.15", | |
"340.32", | |
) | |
ARCHES = ("x86_64", "x86") | |
def product(a, b): | |
for x in a: | |
for y in b: | |
yield (x, y) | |
cwd = os.getcwd() | |
for (VERSION, ARCH) in product(VERSIONS, ARCHES): | |
if os.path.exists("NVIDIA-Linux-%s-%s" % (ARCH, VERSION)): | |
break | |
else: | |
print """Please run this in a directory where NVIDIA-Linux-x86-%(version)s is a subdir. | |
You can make this happen by running | |
wget http://us.download.nvidia.com/XFree86/Linux-x86/%(version)s/NVIDIA-Linux-x86-%(version)s.run | |
sh NVIDIA-Linux-x86-%(version)s.run --extract-only | |
Note: You can use other versions/arches, see the source for what is acceptable. | |
""" % {"version": VERSIONS[-1]} | |
sys.exit(1) | |
kernel_f = open("NVIDIA-Linux-%s-%s/kernel/nv-kernel.o" % (ARCH, VERSION), "r") | |
kernel = mmap.mmap(kernel_f.fileno(), 0, access=mmap.ACCESS_READ) | |
user_f = open("NVIDIA-Linux-%s-%s/libnvcuvid.so.%s" % (ARCH, VERSION, VERSION), "r") | |
user = mmap.mmap(user_f.fileno(), 0, access=mmap.ACCESS_READ) | |
vp2_kernel_prefix = "\xcd\xab\x55\xee\x44" | |
vp2_user_prefix = "\xce\xab\x55\xee\x20\x00\x00\xd0\x00\x00\x00\xd0" | |
vp4_kernel_prefix = "\xf1\x97\x00\x42\xcf\x99" | |
vp3_user_prefix = "\x64\x00\xf0\x20\x64\x00\xf1\x20\x64\x00\xf2\x20" | |
vp3_vc1_prefix = "\x43\x00\x00\x34" * 2 | |
# List of chip revisions since the fuc loader expects nvXX_fucXXX files | |
VP2_CHIPS = ["nv84"] # there are more, but no need for more symlinks | |
VP3_CHIPS = ["nv98", "nvaa", "nvac"] | |
VP4_0_CHIPS = ["nva3", "nva5", "nva8", "nvaf"] # nvaf is 4.1, but same fw | |
VP4_2_CHIPS = ["nvc0", "nvc1", "nvc3", "nvc4", "nvc8", "nvce", "nvcf"] | |
VP5_CHIPS = ["nvd7", "nvd9", "nve4", "nve6", "nve7", "nvf0", "nvf1", "nv106", "nv108"] | |
def links(chips, tail): | |
return list("%s_%s" % (chip, tail) for chip in chips) | |
def vp3_offset(): | |
# Note: 340 uses higher offset, 325 uses lower. Guessing 330 as the cutoff. | |
if float(VERSION) < 330: | |
return 2287 | |
return 2286 | |
def vp5_offset(): | |
# Note: 340 uses higher offset, 325 uses lower. Guessing 330 as the cutoff. | |
if float(VERSION) < 330: | |
return 0xb3 | |
return 0xb7 | |
BLOBS = { | |
# VP2 kernel xuc | |
"nv84_bsp": { | |
"data": kernel, | |
"start": vp2_kernel_prefix + "\x46", | |
"length": 0x16f3c, | |
"links": links(VP2_CHIPS, "xuc103"), | |
}, | |
"nv84_vp": { | |
"data": kernel, | |
"start": vp2_kernel_prefix + "\x7c", | |
"length": 0x1ae6c, | |
"links": links(VP2_CHIPS, "xuc00f"), | |
}, | |
# VP3 kernel fuc | |
"nv98_bsp": { | |
"data": kernel, | |
"start": "\xf1\x07\x00\x10\xf1\x03\x00\x00", | |
"length": 0xac00, | |
"pred": lambda data, i: data[i+vp3_offset()] == '\x8e', | |
"links": links(VP3_CHIPS, "fuc084"), | |
}, | |
"nv98_vp": { | |
"data": kernel, | |
"start": "\xf1\x07\x00\x10\xf1\x03\x00\x00", | |
"length": 0xa500, | |
"pred": lambda data, i: data[i+vp3_offset()] == '\x95', | |
"links": links(VP3_CHIPS, "fuc085"), | |
}, | |
"nv98_ppp": { | |
"data": kernel, | |
"start": "\xf1\x07\x00\x08\xf1\x03\x00\x00", | |
"length": 0x3800, | |
"pred": lambda data, i: data[i+vp3_offset()] == '\x30', | |
"links": links(VP3_CHIPS, "fuc086"), | |
}, | |
# VP4.0 kernel fuc | |
"nva3_bsp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0x10200, | |
"pred": lambda data, i: data[i+8*11+1] == '\xcf', | |
"links": links(VP4_0_CHIPS, "fuc084"), | |
}, | |
"nva3_vp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0xc600, | |
"pred": lambda data, i: data[i+8*11+1] == '\x9e', | |
"links": links(VP4_0_CHIPS, "fuc085"), | |
}, | |
"nva3_ppp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0x3f00, | |
"pred": lambda data, i: data[i+8*11+1] == '\x36', | |
"links": links(VP4_0_CHIPS, "fuc086"), | |
}, | |
# VP4.2 kernel fuc | |
"nvc0_bsp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0x10d00, | |
"pred": lambda data, i: data[i+0x59] == '\xd8', | |
"links": links(VP4_2_CHIPS, "fuc084"), | |
}, | |
"nvc0_vp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0xd300, | |
"pred": lambda data, i: data[i+0x59] == '\xa5', | |
"links": links(VP4_2_CHIPS, "fuc085"), | |
}, | |
"nvc0_ppp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0x4100, | |
"pred": lambda data, i: data[i+0x59] == '\x38', | |
"links": links(VP4_2_CHIPS, "fuc086") + links(VP5_CHIPS, "fuc086"), | |
}, | |
# VP5 kernel fuc | |
"nve0_bsp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0x11c00, | |
"pred": lambda data, i: data[i+vp5_offset()] == '\x27', | |
"links": links(VP5_CHIPS, "fuc084"), | |
}, | |
"nve0_vp": { | |
"data": kernel, | |
"start": vp4_kernel_prefix, | |
"length": 0xdd00, | |
"pred": lambda data, i: data[i+vp5_offset()] == '\x0a', | |
"links": links(VP5_CHIPS, "fuc085"), | |
}, | |
# VP2 user xuc | |
"nv84_bsp-h264": { | |
"data": user, | |
"start": vp2_user_prefix + "\x88", | |
"length": 0xd9d0, | |
}, | |
"nv84_vp-h264-1": { | |
"data": user, | |
"start": vp2_user_prefix + "\x3c", | |
"length": 0x1f334, | |
}, | |
"nv84_vp-h264-2": { | |
"data": user, | |
"start": vp2_user_prefix + "\x04", | |
"length": 0x1bffc, | |
}, | |
"nv84_vp-mpeg12": { | |
"data": user, | |
"start": vp2_user_prefix + "\x4c", | |
"length": 0x22084, | |
}, | |
"nv84_vp-vc1-1": { | |
"data": user, | |
"start": vp2_user_prefix + "\x7c", | |
"length": 0x2cd24, | |
}, | |
"nv84_vp-vc1-2": { | |
"data": user, | |
"start": vp2_user_prefix + "\xa4", | |
"length": 0x1535c, | |
}, | |
"nv84_vp-vc1-3": { | |
"data": user, | |
"start": vp2_user_prefix + "\x34", | |
"length": 0x133bc, | |
}, | |
# VP3 user vuc | |
"vuc-vp3-mpeg12-0": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0xb00, | |
"pred": lambda data, i: data[i + 11 * 8] == '\x4a' and data[i + 228] == '\x43', | |
}, | |
"vuc-vp3-h264-0": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0x1600, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\xff' and data[i + 225] == '\x81', | |
}, | |
"vuc-vp3-vc1-0": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x1d00, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\xf4', | |
}, | |
"vuc-vp3-vc1-1": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x2100, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\x34', | |
}, | |
"vuc-vp3-vc1-2": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x2300, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\x98', | |
}, | |
# VP4.x user vuc | |
"vuc-vp4-mpeg12-0": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0xc00, | |
"pred": lambda data, i: data[i + 11 * 8] == '\x4a' and data[i + 228] == '\x44', | |
"links": ["vuc-mpeg12-0"], | |
}, | |
"vuc-vp4-h264-0": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0x1900, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\xff' and data[i + 225] == '\x8c', | |
"links": ["vuc-h264-0"], | |
}, | |
"vuc-vp4-mpeg4-0": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0x1d00, | |
"pred": lambda data, i: data[i + 61] == '\x30' and data[i + 6923] == '\x00', | |
"links": ["vuc-mpeg4-0"], | |
}, | |
"vuc-vp4-mpeg4-1": { | |
"data": user, | |
"start": vp3_user_prefix, | |
"length": 0x1d00, | |
"pred": lambda data, i: data[i + 61] == '\x30' and data[i + 6923] == '\x20', | |
"links": ["vuc-mpeg4-1"], | |
}, | |
"vuc-vp4-vc1-0": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x1d00, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\xb4', | |
"links": ["vuc-vc1-0"], | |
}, | |
"vuc-vp4-vc1-1": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x2100, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\x08', | |
"links": ["vuc-vc1-1"], | |
}, | |
"vuc-vp4-vc1-2": { | |
"data": user, | |
"start": vp3_vc1_prefix + vp3_user_prefix, | |
"length": 0x2100, | |
"pred": lambda data, i: data[i + 11 * 8 + 1] == '\x6c', | |
"links": ["vuc-vc1-2"], | |
}, | |
} | |
# Build a regex on the start data to speed things along. | |
start_re = "|".join(set(re.escape(v["start"]) for v in BLOBS.itervalues())) | |
files = set(v["data"] for v in BLOBS.itervalues()) | |
done = set() | |
for data in files: | |
for match in re.finditer(start_re, data): | |
for name, v in BLOBS.iteritems(): | |
if name in done or data != v["data"] or match.group(0) != v["start"]: | |
continue | |
i = match.start(0) | |
pred = v.get("pred") | |
if pred and not pred(data, i): | |
continue | |
length = v["length"] | |
links = v.get("links", []) | |
with open(os.path.join(cwd, name), "w") as f: | |
f.write(data[i:i+length]) | |
done.add(name) | |
for link in links: | |
try: | |
os.unlink(link) | |
except: | |
pass | |
os.symlink(name, link) | |
for name in set(BLOBS) - done: | |
print "Firmware %s not found, ignoring." % name | |
ARCHIVE_FILES = { | |
0: "fuc409d", | |
1: "fuc409c", | |
2: "fuc41ad", | |
3: "fuc41ac", | |
} | |
ARCHIVE_ORDERS = { | |
"325.15": ["nvc0", "nvc8", "nvc3", "nvc4", "nvce", "nvcf", "nvc1", | |
"nvd7", "nvd9", "nve4", "nve7", "nve6", "nvf0", "nvf1", | |
"nv108"], | |
} | |
# Extract the gzipped archives found inside the kernel driver | |
def decompress(prefix, start, s): | |
try: | |
decomp = zlib.decompressobj(-zlib.MAX_WBITS) | |
data = decomp.decompress(s[10:]) | |
except Exception, e: | |
print prefix, repr(s[:16]), len(s) | |
print e | |
return False | |
magic, count = struct.unpack("<II", data[:8]) | |
if magic != 0: | |
print "Skipping gzip blob at 0x%x (%d bytes)" % (start, len(data)) | |
return False | |
# Allow valid archives to be skipped | |
if not prefix: | |
return True | |
entries = [] | |
# Each entry is id, length, offset | |
for i in xrange(count): | |
entry = struct.unpack("<III", data[8 + i * 12:8 + (i + 1) * 12]) | |
entries.append(entry) | |
for entry in entries: | |
if not entry[0] in ARCHIVE_FILES: | |
continue | |
with open("%s_%s" % (prefix, ARCHIVE_FILES[entry[0]]), "wb") as f: | |
f.write(data[entry[2]:entry[2]+entry[1]]) | |
if f.name.endswith("c"): | |
# round code up to the nearest 0x200 | |
f.write("\0" * (0x200 - entry[1] % 0x200)) | |
return True | |
if VERSION in ARCHIVE_ORDERS: | |
gzip_starts = list(m.start(0) for m in re.finditer( | |
re.escape("\x1f\x8b\x08"), kernel)) | |
idx = 0 | |
names = ARCHIVE_ORDERS[VERSION] | |
for start, end in itertools.izip(gzip_starts, | |
gzip_starts[1:] + [len(kernel)]): | |
if decompress(names[idx], start, kernel[start:end]): | |
idx += 1 | |
if idx != len(names): | |
print "Unexpected quantity of archives in blob, graph fw likely wrong." | |
else: | |
print "Unknown PGRAPH archive order in this version." |
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