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*drc_fw.bin
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unpacked
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339
LICENSE
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339
LICENSE
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|||||||
|
GNU GENERAL PUBLIC LICENSE
|
||||||
|
Version 2, June 1991
|
||||||
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|
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|
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
|
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|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
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|
Everyone is permitted to copy and distribute verbatim copies
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of this license document, but changing it is not allowed.
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Preamble
|
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|
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The licenses for most software are designed to take away your
|
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freedom to share and change it. By contrast, the GNU General Public
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License is intended to guarantee your freedom to share and change free
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software--to make sure the software is free for all its users. This
|
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General Public License applies to most of the Free Software
|
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|
Foundation's software and to any other program whose authors commit to
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using it. (Some other Free Software Foundation software is covered by
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the GNU Lesser General Public License instead.) You can apply it to
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your programs, too.
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|
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When we speak of free software, we are referring to freedom, not
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To protect your rights, we need to make restrictions that forbid
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. This License applies to any program or other work which contains
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If any portion of this section is held invalid or unenforceable under
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It is not the purpose of this section to induce you to infringe any
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This section is intended to make thoroughly clear what is believed to
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Each version is given a distinguishing version number. If the Program
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NO WARRANTY
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OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
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REPAIR OR CORRECTION.
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|
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12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
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REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
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POSSIBILITY OF SUCH DAMAGES.
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|
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END OF TERMS AND CONDITIONS
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|
||||||
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How to Apply These Terms to Your New Programs
|
||||||
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|
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|
If you develop a new program, and you want it to be of the greatest
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||||||
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possible use to the public, the best way to achieve this is to make it
|
||||||
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free software which everyone can redistribute and change under these terms.
|
||||||
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|
||||||
|
To do so, attach the following notices to the program. It is safest
|
||||||
|
to attach them to the start of each source file to most effectively
|
||||||
|
convey the exclusion of warranty; and each file should have at least
|
||||||
|
the "copyright" line and a pointer to where the full notice is found.
|
||||||
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|
||||||
|
<one line to give the program's name and a brief idea of what it does.>
|
||||||
|
Copyright (C) <year> <name of author>
|
||||||
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|
||||||
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This program is free software; you can redistribute it and/or modify
|
||||||
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it under the terms of the GNU General Public License as published by
|
||||||
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the Free Software Foundation; either version 2 of the License, or
|
||||||
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(at your option) any later version.
|
||||||
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|
||||||
|
This program is distributed in the hope that it will be useful,
|
||||||
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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||||||
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
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GNU General Public License for more details.
|
||||||
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|
||||||
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You should have received a copy of the GNU General Public License along
|
||||||
|
with this program; if not, write to the Free Software Foundation, Inc.,
|
||||||
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
|
|
||||||
|
Also add information on how to contact you by electronic and paper mail.
|
||||||
|
|
||||||
|
If the program is interactive, make it output a short notice like this
|
||||||
|
when it starts in an interactive mode:
|
||||||
|
|
||||||
|
Gnomovision version 69, Copyright (C) year name of author
|
||||||
|
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||||
|
This is free software, and you are welcome to redistribute it
|
||||||
|
under certain conditions; type `show c' for details.
|
||||||
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|
||||||
|
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||||
|
parts of the General Public License. Of course, the commands you use may
|
||||||
|
be called something other than `show w' and `show c'; they could even be
|
||||||
|
mouse-clicks or menu items--whatever suits your program.
|
||||||
|
|
||||||
|
You should also get your employer (if you work as a programmer) or your
|
||||||
|
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||||
|
necessary. Here is a sample; alter the names:
|
||||||
|
|
||||||
|
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
|
||||||
|
`Gnomovision' (which makes passes at compilers) written by James Hacker.
|
||||||
|
|
||||||
|
<signature of Ty Coon>, 1 April 1989
|
||||||
|
Ty Coon, President of Vice
|
||||||
|
|
||||||
|
This General Public License does not permit incorporating your program into
|
||||||
|
proprietary programs. If your program is a subroutine library, you may
|
||||||
|
consider it more useful to permit linking proprietary applications with the
|
||||||
|
library. If this is what you want to do, use the GNU Lesser General
|
||||||
|
Public License instead of this License.
|
||||||
21
LVC_.s
Normal file
21
LVC_.s
Normal file
@ -0,0 +1,21 @@
|
|||||||
|
.arm.little
|
||||||
|
|
||||||
|
.open "unpacked/LVC_.bin",0
|
||||||
|
|
||||||
|
; Patches configuration
|
||||||
|
ADD_UIC_CONFIG_REGION equ 1
|
||||||
|
|
||||||
|
.if ADD_UIC_CONFIG_REGION
|
||||||
|
.notice "Adding region to UIC config"
|
||||||
|
|
||||||
|
; Patch jumptable to make ID 1 valid
|
||||||
|
.org 0x0003c9c4
|
||||||
|
.d8 0x30
|
||||||
|
|
||||||
|
; Patch config table at offset 1 to insert region
|
||||||
|
.org 0x000b28d0
|
||||||
|
.d32 0x3 ; size
|
||||||
|
.d32 0x103 ; eeprom offset
|
||||||
|
.endif
|
||||||
|
|
||||||
|
.close
|
||||||
31
Makefile
Normal file
31
Makefile
Normal file
@ -0,0 +1,31 @@
|
|||||||
|
DRC_FW_FILE := drc_fw.bin
|
||||||
|
LVC_SHA256 := "d83be494af0bb35cc4bd3340a3da3adb0823bcf111d6e2fd72092a0532d8df32 unpacked/LVC_.bin"
|
||||||
|
|
||||||
|
.PHONY: unpack patch pack clean
|
||||||
|
|
||||||
|
all: pack
|
||||||
|
@echo "All done!"
|
||||||
|
|
||||||
|
unpack:
|
||||||
|
@echo "Unpacking firmware..."
|
||||||
|
@python3 fwpack.py unpack $(DRC_FW_FILE) unpacked
|
||||||
|
|
||||||
|
@echo "Checking LVC_.bin..."
|
||||||
|
@echo $(LVC_SHA256) | sha256sum -c -
|
||||||
|
|
||||||
|
patch: unpack
|
||||||
|
@echo "Patching LVC_.bin"
|
||||||
|
@armips LVC_.s
|
||||||
|
|
||||||
|
@echo "Patching versions..."
|
||||||
|
# patch version to 254.0.0 (blob_header.bin is big endian, VER_.bin is little endian)
|
||||||
|
@printf '\xfe\x00\x00\x00' | dd of=unpacked/blob_header.bin bs=1 seek=0 conv=notrunc
|
||||||
|
@printf '\x00\x00\x00\xfe' | dd of=unpacked/VER_.bin bs=1 seek=0 conv=notrunc
|
||||||
|
|
||||||
|
pack: patch
|
||||||
|
@echo "Packing firmware..."
|
||||||
|
@python3 fwpack.py pack unpacked patched_$(DRC_FW_FILE)
|
||||||
|
|
||||||
|
clean:
|
||||||
|
@echo "Clean..."
|
||||||
|
@rm -rf unpacked patched_$(DRC_FW_FILE)
|
||||||
16
README.md
Normal file
16
README.md
Normal file
@ -0,0 +1,16 @@
|
|||||||
|
# drc-fw-patches
|
||||||
|
Patches for the Wii U gamepad firmware.
|
||||||
|
|
||||||
|
## Disclaimer
|
||||||
|
Modifying the DRC firmware can cause permanent damage.
|
||||||
|
No one but yourself is responsible for any sort of damage resulting from using these patches.
|
||||||
|
|
||||||
|
## Usage
|
||||||
|
### Requirements
|
||||||
|
- make
|
||||||
|
- [armips](https://github.com/Kingcom/armips)
|
||||||
|
- python3
|
||||||
|
- python-construct
|
||||||
|
|
||||||
|
Place the original `drc_fw.bin` version `0x190c0117` from your MLC or NUS into this directory.
|
||||||
|
Running `make` will build a `patched_drc_fw.bin` which can be flashed to the gamepad.
|
||||||
172
fwpack.py
Normal file
172
fwpack.py
Normal file
@ -0,0 +1,172 @@
|
|||||||
|
#!/usr/bin/env python3
|
||||||
|
"""
|
||||||
|
fwpack - Pack/Unpack DRC/DRH firmware files
|
||||||
|
Created in 2024 by GaryOderNichts
|
||||||
|
<https://github.com/GaryOderNichts/drc-fw-patches>
|
||||||
|
|
||||||
|
Credits to drxtool for the firmware header logic and extracted files structure.
|
||||||
|
"""
|
||||||
|
|
||||||
|
import sys, os
|
||||||
|
import binascii
|
||||||
|
import construct
|
||||||
|
|
||||||
|
class FirmwareType:
|
||||||
|
FIRMWARE_TYPE_DRC = 0x01010000
|
||||||
|
FIRMWARE_TYPE_DRH = 0x00010000
|
||||||
|
|
||||||
|
BlobHeader = construct.Struct(
|
||||||
|
"imageVersion" / construct.Int32ub,
|
||||||
|
"blockSize" / construct.Int32ub,
|
||||||
|
"sequencePerSession" / construct.Int32ub,
|
||||||
|
"imageSize" / construct.Int32ub,
|
||||||
|
)
|
||||||
|
assert(BlobHeader.sizeof() == 0x10)
|
||||||
|
|
||||||
|
FirmwareHeader = construct.Struct(
|
||||||
|
"type" / construct.Int32ul,
|
||||||
|
"superCRCs" / construct.Array(4, construct.Int32ul),
|
||||||
|
construct.Padding(0xFE8),
|
||||||
|
"headerCRC" / construct.Int32ul,
|
||||||
|
"subCRCs" / construct.Array(0x1000, construct.Int32ul),
|
||||||
|
)
|
||||||
|
assert(FirmwareHeader.sizeof() == 0x5000)
|
||||||
|
|
||||||
|
FirmwareSection = construct.Struct(
|
||||||
|
"offset" / construct.Int32ul,
|
||||||
|
"size" / construct.Int32ul,
|
||||||
|
"name" / construct.PaddedString(4, "ascii"),
|
||||||
|
"version" / construct.Int32ul,
|
||||||
|
)
|
||||||
|
assert(FirmwareSection.sizeof() == 0x10)
|
||||||
|
|
||||||
|
FirmwareFile = construct.Struct(
|
||||||
|
"blobHeader" / BlobHeader,
|
||||||
|
"firmwareHeader" / FirmwareHeader,
|
||||||
|
"firmwareData" / construct.Bytes(construct.this.blobHeader.imageSize - FirmwareHeader.sizeof()),
|
||||||
|
)
|
||||||
|
|
||||||
|
# Thanks to drxtool for the crctable logic
|
||||||
|
def verify_firmware_header(fw) -> bool:
|
||||||
|
# Verify header CRC
|
||||||
|
header_crc = binascii.crc32(FirmwareHeader.build(fw.firmwareHeader)[0:0xFFC])
|
||||||
|
if header_crc != fw.firmwareHeader.headerCRC:
|
||||||
|
return False
|
||||||
|
|
||||||
|
# Verify super crcs
|
||||||
|
subcrc_data = construct.Array(0x1000, construct.Int32ul).build(fw.firmwareHeader.subCRCs)
|
||||||
|
for i in range(4):
|
||||||
|
super_crc = binascii.crc32(subcrc_data[i*0x1000:i*0x1000+0x1000])
|
||||||
|
if super_crc != fw.firmwareHeader.superCRCs[i]:
|
||||||
|
return False
|
||||||
|
|
||||||
|
# Verify sub crcs
|
||||||
|
for i in range(len(fw.firmwareData) // 0x1000 + 1):
|
||||||
|
offset = i * 0x1000
|
||||||
|
length = 0x1000
|
||||||
|
if len(fw.firmwareData) - offset < length:
|
||||||
|
length = len(fw.firmwareData) - offset
|
||||||
|
|
||||||
|
sub_crc = binascii.crc32(fw.firmwareData[offset:offset + length])
|
||||||
|
if sub_crc != fw.firmwareHeader.subCRCs[i]:
|
||||||
|
return False
|
||||||
|
|
||||||
|
return True
|
||||||
|
|
||||||
|
def build_firmware_header(blob_type, firmware_data) -> dict:
|
||||||
|
# Calculate CRC for every 0x1000 bytes of firmware data
|
||||||
|
sub_crcs = [0] * 0x1000
|
||||||
|
for i in range(len(firmware_data) // 0x1000 + 1):
|
||||||
|
offset = i * 0x1000
|
||||||
|
length = 0x1000
|
||||||
|
if len(firmware_data) - offset < length:
|
||||||
|
length = len(firmware_data) - offset
|
||||||
|
|
||||||
|
sub_crcs[i] = binascii.crc32(firmware_data[offset:offset + length])
|
||||||
|
|
||||||
|
# Calculate the super CRCs
|
||||||
|
super_crcs = [0] * 4
|
||||||
|
subcrc_data = construct.Array(0x1000, construct.Int32ul).build(sub_crcs)
|
||||||
|
for i in range(4):
|
||||||
|
super_crcs[i] = binascii.crc32(subcrc_data[i*0x1000:i*0x1000+0x1000])
|
||||||
|
|
||||||
|
firmware_header = dict(type=blob_type, superCRCs=super_crcs, headerCRC=0, subCRCs=sub_crcs)
|
||||||
|
|
||||||
|
# Calculate the header CRC
|
||||||
|
firmware_header["headerCRC"] = binascii.crc32(FirmwareHeader.build(firmware_header)[0:0xFFC])
|
||||||
|
|
||||||
|
return firmware_header
|
||||||
|
|
||||||
|
def unpack_firmware(source_file, dest_dir):
|
||||||
|
fw = FirmwareFile.parse_file(source_file)
|
||||||
|
if not verify_firmware_header(fw):
|
||||||
|
print("Firmware header verification failed")
|
||||||
|
sys.exit(1)
|
||||||
|
|
||||||
|
if fw.firmwareHeader.type == FirmwareType.FIRMWARE_TYPE_DRC:
|
||||||
|
print(f"DRC firmware version 0x{fw.blobHeader.imageVersion:08x}")
|
||||||
|
elif fw.firmwareHeader.type == FirmwareType.FIRMWARE_TYPE_DRH:
|
||||||
|
print(f"DRH firmware version 0x{fw.blobHeader.imageVersion:08x}")
|
||||||
|
else:
|
||||||
|
print(f"Unsupported firmware type 0x{fw.firmwareHeader.type:08x}")
|
||||||
|
sys.exit(1)
|
||||||
|
|
||||||
|
if not os.path.isdir(dest_dir):
|
||||||
|
os.mkdir(dest_dir)
|
||||||
|
|
||||||
|
# Write blob header and type
|
||||||
|
BlobHeader.build_file(fw.blobHeader, os.path.join(dest_dir, "blob_header.bin"))
|
||||||
|
construct.Int32ul.build_file(fw.firmwareHeader.type, os.path.join(dest_dir, "blob_type.bin"))
|
||||||
|
|
||||||
|
# Assume first part of the data is the index
|
||||||
|
index = FirmwareSection.parse(fw.firmwareData)
|
||||||
|
|
||||||
|
# Parse sections
|
||||||
|
sections = construct.Array(index.size // FirmwareSection.sizeof(), FirmwareSection).parse(fw.firmwareData)
|
||||||
|
for s in sections:
|
||||||
|
print(f"Saving {s.name} version 0x{s.version:08x} offset 0x{s.offset} size 0x{s.size}")
|
||||||
|
|
||||||
|
# write section to file
|
||||||
|
with open(os.path.join(dest_dir, s.name + ".bin"), "wb") as f:
|
||||||
|
f.write(fw.firmwareData[s.offset:s.offset + s.size])
|
||||||
|
|
||||||
|
def pack_firmware(source_dir, dest_file):
|
||||||
|
# Read blob header and type
|
||||||
|
blob_header = BlobHeader.parse_file(os.path.join(source_dir, "blob_header.bin"))
|
||||||
|
blob_type = construct.Int32ul.parse_file(os.path.join(source_dir, "blob_type.bin"))
|
||||||
|
|
||||||
|
# Parse sections from INDX
|
||||||
|
firmware_data = b""
|
||||||
|
sections = construct.GreedyRange(FirmwareSection).parse_file(os.path.join(source_dir, "INDX.bin"))
|
||||||
|
for s in sections:
|
||||||
|
print(f"Storing {s.name}...")
|
||||||
|
|
||||||
|
# read section data
|
||||||
|
section_data = b""
|
||||||
|
with open(os.path.join(source_dir, s.name + ".bin"), "rb") as f:
|
||||||
|
section_data = f.read()
|
||||||
|
|
||||||
|
# update section
|
||||||
|
s.size = len(section_data)
|
||||||
|
s.offset = len(firmware_data)
|
||||||
|
firmware_data += section_data
|
||||||
|
|
||||||
|
# Update total image size
|
||||||
|
blob_header.imageSize = FirmwareHeader.sizeof() + len(firmware_data)
|
||||||
|
|
||||||
|
# Build the final image size
|
||||||
|
FirmwareFile.build_file(dict(blobHeader=blob_header, firmwareHeader=build_firmware_header(blob_type, firmware_data), firmwareData=firmware_data), dest_file)
|
||||||
|
|
||||||
|
if len(sys.argv) != 4:
|
||||||
|
print(f"Usage:\n{sys.argv[0]} <unpack/pack> <source> <destination>")
|
||||||
|
sys.exit(0)
|
||||||
|
|
||||||
|
if sys.argv[1] == "unpack":
|
||||||
|
print(f"Unpacking {sys.argv[2]}...")
|
||||||
|
unpack_firmware(sys.argv[2], sys.argv[3])
|
||||||
|
elif sys.argv[1] == "pack":
|
||||||
|
print(f"Packing {sys.argv[3]}...")
|
||||||
|
pack_firmware(sys.argv[2], sys.argv[3])
|
||||||
|
else:
|
||||||
|
print(f"Unknown mode \"{sys.argv[1]}\"")
|
||||||
|
sys.exit(1)
|
||||||
Loading…
Reference in New Issue
Block a user