Case study

LittleBigPlanet PSP: a matching decompilation of EBOOT.BIN

LittleBigPlanet PSP reconstructs code from the game's UCUS98744 disc version 2.00 executable as C and C++. Its checker compiles each source with a recorded compiler profile and compares the resulting function bytes with the original. The author reports 5,020 individually matched functions; a whole-module build of the published proofs has not been measured.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06

Stars: 2
Last commit: 2026-11-10
Language: C
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Requirements & limits

Prerequisites: A personal copy of the game and a locally decrypted PSP_GAME/SYSDIR/EBOOT.BIN are required.
Prerequisites: The documented checking workflow uses WSL and the specified PSP compiler toolchains.
Limits: The author reports 17.9% of public-scope code bytes matched individually; whole-module progress is unmeasured.
License: Project code is GPL-3.0-or-later; bundled third-party code retains its stated terms.

Cite

BibTeX

@misc{lbp-psp-decomp-case,
  title = {{LittleBigPlanet PSP: a matching decompilation of EBOOT.BIN}},
  howpublished = {\url{https://github.com/Jstar269/LBP-PSP-Decomp}},
  url = {https://github.com/Jstar269/LBP-PSP-Decomp},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/lbp-psp-decomp-case/}}
}

Plain text

LittleBigPlanet PSP: a matching decompilation of EBOOT.BIN. https://github.com/Jstar269/LBP-PSP-Decomp (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/lbp-psp-decomp-case/

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Primary sources

README.md GitHub · Jstar269/LBP-PSP-Decomp · Revision 96ffd59