Case study

SACD daemon reconstruction: rebuilding Sony BDP-BX510 sacd_extract_160

SACD daemon reconstruction rebuilds Sony BDP-BX510's ARM sacd_extract_160 daemon in C. It documents TCP 2002 sector requests and the CPSA ioctl path, and supplies function-diff tools, QEMU device models and differential captures. The author reports 388 of 390 functions equivalent and byte-identical wire behavior in tested cases.

Targets: Binary · Firmware · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 0
Last commit: 2026-11-08
Language: C

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A dump from the user's own BDP-BX510 for binary comparison; an ARM cross-compiler for building.
Limits: The author reports 388/390 function equivalence in the reconstruction.
License: MIT license for project code.

Cite

BibTeX

@misc{sacd-daemon-reconstruction-case,
  title = {{SACD daemon reconstruction: rebuilding Sony BDP-BX510 sacd\_extract\_160}},
  howpublished = {\url{https://github.com/clintecker/sacd-reconstruct}},
  url = {https://github.com/clintecker/sacd-reconstruct},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/sacd-daemon-reconstruction-case/}}
}

Plain text

SACD daemon reconstruction: rebuilding Sony BDP-BX510 sacd_extract_160. https://github.com/clintecker/sacd-reconstruct (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/sacd-daemon-reconstruction-case/

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Primary sources

README.md GitHub · clintecker/sacd-reconstruct · Revision d7ad255
docs/ARCHITECTURE.md GitHub · clintecker/sacd-reconstruct · Revision d7ad255