llms.txt

# eBoot

> llms.txt for the eBoot repository (embeddedos-org/eBoot).
> Status: multi-platform, modular secure bootloader in C
> (CMake project `eBootloader`), version 3.0.2. Two-stage boot
> chain: a minimal Stage-0 for early hardware bring-up, and a
> Stage-1 that scans, selects, verifies, and jumps to an
> application or RTOS image. Image authentication uses Ed25519
> signatures, with A/B slot management, recovery, and
> firmware-update transports in the core.

eBoot is the boot component of the EmbeddedOS ecosystem,
providing verified boot for EoS and other payloads. Signature
verification and recovery-command authentication are not
options: no build of this bootloader skips either.

## Docs

- [Architecture](docs/architecture.md) — the two-stage design and module layout
- [Secure boot chain](docs/secure_boot_chain.md) — the verified boot sequence end to end
- [Security](docs/security.md) — security properties and guarantees
- [Threat model](docs/threat_model.md) — attackers, assets, and mitigations
- [Update flow](docs/update-flow.md) — firmware update and A/B slot flow
- [Key lifecycle](docs/key_lifecycle.md) — key generation, provisioning, rotation, revocation
- [Memory map](docs/memory-map.md) — flash/RAM layout for stages and slots
- [Installation & usage](docs/installation_usage.md) — building and using eBoot
- [Quickstart](docs/quickstart.md) — the shortest path to a booting image
- [eFlash](docs/eflash.md) — the flash tooling surface
- [MCUboot comparison](docs/mcuboot_comparison.md) — how eBoot compares with MCUboot

## Machine-readable

- [llms-full.txt](llms-full.txt) — the docs above concatenated as one document