| Header String | Version | Top Table? | Usage |
| :--- | :--- | :--- | :--- |
| psxfpkg v01 data | 1 | No | Older PS3 packages, linear layout |
| psxfpkg v02 top | 2 | Yes | PS4, PS Vita, Modern PS3 PKGs |
| psxfpkg v03 sigx | 3 | Yes | PS5 and encrypted PSN direct downloads |
The presence of "top" explicitly tells the parser that the file entry table is not at a fixed location but is pointed to by an offset list inside the first 64 bytes. This adds flexibility but also complexity to manual recovery.
psxfpkg --write --top custom_firmware.bin
The --top flag automatically shifts the write offset to 0x200000 (2MB) on a 4MB chip. You no longer need manual offset calculations. psxfpkg v02 top
Based on the naming convention and the standard requirements of the PS4 modding scene, psxfpkg v02 likely operates as a wrapper or a standalone repacker. Its core features typically include:
The "Top" in psxfpkg v02 refers to the newly restructured entry point of the application. In version 1.x, the tool was a linear, CLI (Command Line Interface) driven process. You typed a command, hoped the syntax was correct, and waited. | Header String | Version | Top Table
Version 02 introduces a sophisticated modular architecture, often presented through an interactive console menu (the Top Menu) or a defined API structure for library integration.
1. The Modular Shift The most profound change in v02 is the abandonment of monolithic processing. In the previous iteration, if the unpacking process failed halfway through, the user was left with a corrupted directory and no clear error log. v02 Top implements a state-machine approach. It divides the PKG handling into discrete modules: The --top flag automatically shifts the write offset
2. The User Experience (UX) Overhaul For the end-user, the "Top" signifies accessibility. The v02 interface prioritizes information density. Where previous tools spat out hexadecimal addresses, v02 Top outputs human-readable status reports. It differentiates between "retail" packages (standard games), "debug" packages (dev kits), and "homebrew" signed packages. This categorization is crucial; attempting to install a debug package on a retail console modified with standard custom firmware will result in an error, and v02 Top warns the user of this incompatibility instantly.