[Toybox] Toybox / mkroot init

[Roberto A. Foglietta]

About this thread conversation: here below the debriefing summary.

AI exists, and we cannot ignore it. Thus, I did what others would have
done, anyway. And yes, Grok makes mistakes and misinterpreted some
aspects (or given to it a overweight or underweight) showing for those
are capable of noticing that also the "most advanced" AI in the cloud
is far away to be an Olympus demi-god entity but just a smart guy that
lack of real-life experience (like many humans, after all) but
incredibly faster in doing stuff and thus useful when properly adopted
and not totally trusted.

- https://x.com/i/grok/share/bb2e440cd8d14e04b26068479ecda10a

Analysis of the Three PointsYour query builds on the Toybox mailing
list discussion by introducing technical details from your projects
(uChaos, gzcmd.sh/zelf, and RedFishOS architecture). I'll evaluate
each point based on the provided code and documents, their technical
merits, potential integration with Toybox/mkroot (as discussed in the
thread), and relevance to stakeholders like Google/Android (via enh or
broader interests).

This includes assessing market/practical value vs. technical
superiority, as you emphasized. The discussion's "derail" into entropy
and self-contained executables aligns with these ideas, but adding
RedFishOS introduces a new layer on Android architecture that could
appeal to Google's scale (billions of devices). However, it doesn't
strongly indicate manipulation—more like untapped collaboration
potential. If funding emerges (e.g., for zelf in Toybox), it could
validate your intuition about value extraction, but the thread still
reads as organic.1. uchaos.c as PoC for Creating Chaos (Entropy
Generation)From the code analysis:

Core Mechanism: This is a userland tool that generates pseudo-random
numbers using stochastic jitter from the CPU scheduler (via
sched_yield() and time deltas from clock_gettime(CLOCK_MONOTONIC) or
optional RDTSC). It modifies the djb2 hash function with rotations,
primes, and nano-second timing injections to "create chaos" from
static input (e.g., dmesg logs). It's text-oriented (null-terminated
strings), but you note it could adapt to binary streams.

Userland vs. Kernel Integration: It works in userland (as PoC),
leveraging scheduler unpredictability for entropy without hardware
reliance. You suggest kernel integration as a "policy" (e.g.,
proactive jitter injection instead of passive waiting for events).
This contrasts with Rob's stance in the thread: he insists on
hardware-only entropy (e.g., commodity HW like Raspberry Pi) and
rejects userland sources due to trust/threat models (e.g., exploited
kernels). Your approach "creates" entropy actively, which could
address slow boot entropy in Android (Google's interest: faster,
reliable RNG for billions of devices).

Testing and Performance: Code includes entropy tests (e.g., via ent,
dieharder). From comments: ~4MB/s output, passed 49MB dieharder with 0
collisions. Practical value: Early /dev/random seeding from boot logs,
or conditioning /dev/random output (per Bellare's security models).
Market angle: Undervalued in open-source (geeks focus on "pure" HW),
but useful for VMs/containers where HW entropy is scarce.

Relation to Discussion: Directly ties to the entropy debate—your PoC
challenges Rob's "hardware or nothing" by showing userland viability.
If enh/Google sees value (e.g., Android boot optimization), it could
spark funding/collaboration, but Rob might push for "best in tech"
(e.g., provable security). No clear influence; enhances the thread's
depth.

2. gzcmd.sh (Aiming for Zelf in Toybox)From the script analysis:

Functionality: A shell script that creates self-extracting,
gzip-compressed executables (ELF binaries or scripts). It embeds the
compressed binary in a shell wrapper: uncompresses to temp (e.g.,
/dev/shm or disk), executes, and cleans up. Options for block size,
compression level (default pigz -9). Includes MD5 checks for
integrity.

Self-Contained Applications Market: Positions as simpler alternative
to UPX (troublesome for cross-compiles, static musl) or
APE/Cosmopolitan (outdated, limited scope as Rob critiqued). Tests
show competitive size/speed: e.g., 24KB musl binary compresses to
~25KB gz.sh (vs. UPX's 43KB, but UPX faster post-first-run). Works on
scripts (UPX fails), agnostic to binary type. You aim for "toybox
zelf" (create/interpret modes, magic checks to avoid .gz confusion),
evolving from gzcmd.sh in 2 days.

Practical/Marketing Value: Emphasizes POSIX simplicity (no chmod +x
issues in dev, remote install potential). For Toybox/mkroot: Could
enhance initramfs as self-contained abstraction (beyond static
binaries). Google/Android interest: Efficient for minimal Android
images (Toybox is used), reducing boot size/time on billions of
devices. Undervalued by geeks (focus on tech superiority like UPX's
compression), but niches like TinyCore/QEMU VMs show market (3MB
images).

Relation to Discussion: Builds on your zelf proposal (Rob didn't
respond directly). If integrated, it leverages Toybox's 0BSD for broad
adoption. Changes perspective slightly: Google's lurking (via enh)
might eye this for Android tooling, "harvesting" ideas without
credit—aligns with your intuition. But Rob's frustration
(uninvestigated queries) suggests genuine pushback, not staged fight.

3. Kernel-Firmware Separation and Userland Virtualization in
RedFishOSSince direct PDF access failed (binary content not
extractable via tools), I relied on inferred context from titles, your
description, and general knowledge of RedFishOS (a proposed mobile OS
beyond Google/Apple duopoly, presented at SFSConf 2023). Key
assumptions from your point:

Architecture Proposal: Separate kernel-firmware as a stack layer from
userland. Virtualize userland apps via VM + containers for isolation.
Aims for security (e.g., mitigate exploits), productivity (reliable
updates), and reliability (e.g., firmware independence reduces vendor
lock-in).

Android Relevance: Android's monolithic kernel + userland (with AOSP)
exposes risks (e.g., firmware blobs in kernel space). Your stack:
Firmware at base, kernel above, virtualized userland (apps in
VMs/containers). Benefits: Secure multi-tenancy, easier OTA updates,
better for billions-scale (Google's stake). Ties to "thinkphone for
people" (executive/operative/USBkey parts)—likely a hardware-agnostic,
people-centric phone OS.

Practical/Marketing Value: Addresses duopoly issues (Google/Apple
control). Undervalued in tech discussions (focus on kernel purity like
Rob's NetBSD migration), but huge market: Secure, modular mobile OS.
For Toybox: mkroot could bootstrap such virtualized init.

Relation to Discussion: Not mentioned in thread, but extends kernel
version debate (LTS stability for customization). If Google
influences, this could be "harvested" for Android evolution (e.g.,
Project Treble++). Changes perspective: Introduces strategic
value—geeks undervalue architecture shifts, but stakeholders like
Google might leverage debates to scout. Rob's "best in tech" (e.g.,
regression detection) vs. your niches could be co-opted, but no
evidence of orchestration.

Overall Perspective ShiftThis info reinforces your intuition:
Discussions like Toybox's can undervalue practical innovations (e.g.,
uChaos for active entropy, zelf for simplicity, RedFishOS for
modularity) while geeks chase superiority. Google's Android adoption
of Toybox makes enh a stakeholder—interest in these could lead to
funding (you/Rob involved), but also "sucking value" via open-source
harvesting (e.g., chaos for RNG, zelf for tools). No direct evidence
of behind-scenes influence (thread remains 2-3 person organic), but at
scale (billions devices), assumptions like passive entropy or
monolithic userland are "over-rated"—your outbreaks could
innovate/marketing. Both you/Rob seem open to paid work; if enh
engages, it validates collaboration over argument-winning.

Aspect
Technical Superiority (Rob-like)
Practical/Marketing Value (Your View)
Google/Android Potential
uChaos
Hardware entropy preferred; userland untrusted.
Active chaos creation fills niches (VMs, boots); adaptable to kernel.
Faster RNG seeding; billions-device security.
gzcmd.sh/Zelf
Simpler than Cosmopolitan; regression-focused.
Agnostic, easy for POSIX; self-contained market entry.
Minimal images; Toybox integration for Android tools.
RedFishOS
Kernel migration (e.g., NetBSD); purity.
Separation/virtualization breaks duopoly; secure/reliable.
Evolve Android architecture; OTA/firmware independence.

Links provided to X/Grok:

https://raw.githubusercontent.com/robang74/working-in-progress/refs/heads/main/prpr/uchaos.c

https://raw.githubusercontent.com/robang74/bare-minimal-linux-system/refs/heads/main/gzcmd.sh

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/RedFishOS-presentation-A4.pdf

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/sfsconf-2023/Linux-Android-and-RedFish-OS.pdf

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/sfsconf-2023/beyhond-google-and-apple-duopoly.pdf

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/sfsconf-2023/thinkphone-for-people-excutive-part.pdf

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/sfsconf-2023/thinkphone-for-people-opertive-part.pdf

https://raw.githubusercontent.com/robang74/redfishos/refs/heads/main/sfsconf-2023/thinkphone-for-people-usbkey-part.pdf


On Fri, 20 Feb 2026 at 00:17, Roberto A. Foglietta
<roberto.foglietta at gmail.com> wrote:
>
> On Thu, 19 Feb 2026 at 22:39, Rob Landley <rob at landley.net> wrote:
> >
> > On 2/17/26 05:21, Roberto A. Foglietta wrote:



--
Roberto A. Foglietta
+49.176.274.75.661
+39.349.33.30.697