File List

Here is a list of all files with brief descriptions:

[detail level 1234567]

apps
board
stand_alone
ereader
src
main.c	CPU0 (M85) Secure world bootloader/fallback for the e-reader
ns_main.c	Non-Secure main entry point: launches ThreadX and the e-reader UI
secure_exception.c	Secure-side fault handler for NS -> S violations
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Single-core TrustZone bring-up for a RAM-resident NS image (#60)
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
host
alphabet_soup
inc
alphabet_soup.h	Word search puzzle solver API and bounded workspace definitions
src
alphabet_soup.c	Word search puzzle solver implementation with NASA Power-of-10 safety guarantees
alphabet_soup_cli.c	Bounded POSIX file ingestion for the Alphabet Soup host CLI
alphabet_soup_cli_internal.h	Private host-file helpers for the Alphabet Soup CLI wrapper
main.c	Standalone Alphabet Soup word search solver host CLI
cbz2jof
inc
jof_worker.h	Single-image to JOF worker: the per-page transcode the cbz2jof Go driver shells out to
src
jof_worker.c	Single-image to JOF transcode behind jof_worker.h
jof_worker_main.c	Process entry for the cbz2jof page worker
mdl
inc
mdl_cli.h	Command-line parsing for the mdl CLI
mdl_net_curl.h	Factory for the concrete libcurl-backed mdl_net_iface_t backend
src
main.c	Mdl – host CLI for the e-reader media downloader
mdl_cli.c	Implementation of the mdl command-line parser
mdl_cli_internal.h	Private byte-stream helpers shared by mdl CLI units
mdl_cli_nums.c	Strict bounded numeric-option parsing for mdl
mdl_cli_stream.c	Bounded byte-stream composition helpers for mdl diagnostics
mdl_cli_usage.c	Stable command-line help rendering for mdl
mdl_compose.c	The composition of THIS form: libcurl in, one parsed command out
mdl_compose_internal.h	What this FORM injects, and how one parsed invocation reaches a mode
mdl_host_credentials.c	Pure host credential-snapshot metadata comparison
mdl_host_credentials_internal.h	Private host credential-snapshot hardening helpers
mdl_net_curl.c	Libcurl host backend registered through the mdl_net vtable seam
mdl_net_curl_credentials.c	Path-free libcurl cookie and CA credential binding
mdl_net_curl_internal.h	Module-private libcurl-backend helpers promoted for host unit tests
shared_libs
book
inc
book.h	Flat, execute-in-place container for a build-time "compiled" e-book
book_chunked.h	Demand-paged chunk reader for the "RBKC" .rabook container
book_library.h	Auto-generated index of the compiled e-book library
book_paged.h	Paged (demand-fetched) accessor mode for book over ra8_vmem (#163)
book_stream.h	Strict, zero-allocation validation of a streamed RABOOK1 flat blob
src
book.c	Implementation of the .rabook blob validator
book_chunked.c	Implementation of the demand-paged "RBKC" chunk reader
book_chunked_validate.c	Strict streaming-validation adapter for an open RBKC chunk reader
book_internal.h	Book DOM-walk helpers shared across the library's translation units
book_paged.c	Paged book-source layer: copy-out reads over ra8_vmem (#163)
book_stream.c	Strict callback-driven validation of a RABOOK1 flat blob
book_stream_internal.h	Private wire geometry for strict RABOOK1 stream validation
book_stream_wire.c	Wire decoding and canonical layout validation for streamed books
book_xhtml.c	Serialize a compiled-book chapter DOM back to XHTML for the renderer
comic
inc
comic.h	Unified demand-paged reader for comic-book archives – CBZ (ZIP) and CBR (RAR)
comic_tiles.h	Tile an oversized comic page through the JOF atlas + ra8_tile_cache so a CBZ/CBR page larger than the whole-decode arena opens and zooms (#344)
ra8_rar.h	Clean-room, read-only RAR archive walker (RAR4 + RAR5 headers, STORE data)
ra8_rar5.h	Clean-room RAR 5.0 ("method 50") decompressor – LZ + Huffman + filters
src
comic.c	Facade for the comic-archive reader: magic detect, page index, dispatch
comic_cbr.c	CBR backend: walk a RAR archive (ra8_rar.h) and index its page images
comic_cbt.c	CBT backend: walk a tar archive (unarch_tar.h) and index its pages
comic_cbz.c	CBZ backend: a streaming miniz ZIP reader that indexes page images
comic_internal.h	Cross-TU seams between the comic facade and its CBZ / CBR backends
comic_tiles.c	Tile an oversized comic page: encoded bytes -> JOF atlas -> tile cache (#344)
comic_wrapped.c	Wrapped comic open: gzip / XZ unwrap in front of the container detect
ra8_rar.c	Implementation of the clean-room RAR4/RAR5 archive walker (ra8_rar.h)
ra8_rar5.c	RAR 5.0 LZ decoder driver: token loop, data filters, public entry
ra8_rar5_internal.h	Cross-TU seam between the RAR5 entropy front-end and the LZ decoder
ra8_rar5_tables.c	RAR 5.0 entropy front-end: bit reader, canonical Huffman, block tables
compress
inc
ra8_compress.h	App-domain DEFLATE compress / decompress (zero-heap, firmware-safe)
ra8_vfs_compress.h	Transparent VFS-level whole-file compression (compress-on-write,decompress-on-read) over the ra8_io fabric
src
ra8_compress.c	Raw-DEFLATE compress / decompress over miniz, heap-free
ra8_vfs_compress.c	Transparent whole-file compress-on-write / decompress-on-read over the ra8_io VFS
epub
inc
epub.h	EPUB (.epub) reader and chapter iterator for ra8-firmware
epub_entry.h	Iterative, bounded-RAM ZIP-entry extraction for the EPUB reader (#231)
epub_fs.h	ra8_fs -> epub bridge: open a .epub straight off a filesystem
epub_img_tiles.h	Page a large in-EPUB image through ra8_tile_cache + a real reflow <img> loader off the streaming reader (#231)
epub_miniz_alloc.h	Caller-owned bounded-arena allocator for miniz
src
epub_chapter.c	Chapter / metadata / cover / glyph accessors for the EPUB reader
epub_entry.c	Bounded-RAM streaming + windowed extraction of a single ZIP entry (#231)
epub_fs.c	ra8_fs -> epub bridge implementation (Phase 4.2 file adapter)
epub_fs_internal.h	Test-access surface for the EPUB filesystem stream callback
epub_img_import.c	Import-time transcode wiring: manifest href -> JOF atlas -> binder (#231's open-path integration)
epub_img_tiles.c	Tile-cache paging of JOF atlases + a real reflow img loader (#231)
epub_internal.h	Test-access surface for epub internal helpers (MC/DC)
epub_miniz_alloc.c	First-fit allocator over one caller-owned miniz workspace
epub_open.c	epub_open() / epub_close() lifecycle plumbing
epub_xml_consumer_internal.h	Private contracts for streamed EPUB XML consumers
epub_xml_opf_internal.h	Private contracts for the EPUB container and OPF consumers
epub_xml_shim.c	Strict bounded container/OPF/NCX/nav XML consumers
epub_xml_shim_internal.h	Library-private contract for the bounded EPUB XML parser
epub_xml_toc.c	Bounded NCX and EPUB 3 nav table-of-contents consumers
epub_xml_toc_internal.h	Private contracts for the EPUB NCX and nav table-of-contents consumers
epub_zip_guard.c	Decompression-limits retrofit for every miniz ZIP consumer
jof
inc
jof.h	JOF band-tile atlas: the display-native normalized image format (#231, shared with the longstrip scroll #289 and codec policy #290)
jof_audit.h	No-heap, backing-agnostic structural audit for JOF atlases
jof_produce.h	Import-time transcode producer: JPEG/PNG/WebP -> JOF band-tile atlas in bounded RAM (#231, #290 normalize-on-import)
src
jof.c	JOF atlas reader: parse/validate + bounded per-tile decode (#231)
jof_audit.c	No-heap implementation of the backing-agnostic JOF audit
jof_internal.h	Module-private seams shared by the producer translation units
jof_png.c	Streaming PNG scanline decoder for the transcode producer (#231)
jof_png_chunk.c	PNG chunk layer for the streaming decoder: prologue, palette tables, ancillary skipping and the post-IDAT walk (#231)
jof_png_internal.h	Module-private declarations shared by the two PNG decoder units
jof_produce.c	Transcode producer: sniff, decode, tile, encode, emit (#231, #290)
jof_produce_webp.c	Transcode producer: whole-frame WebP arm (#290 normalize-on-import)
longstrip
inc
longstrip.h	Continuous vertical-scroll (longstrip / manhwa) reading mode over an JOF band-tile atlas (#289)
src
longstrip.c	Continuous vertical-scroll (longstrip) engine over a JOF atlas (#289)
mdl
inc
mdl_app.h	The downloader's portable application layer: one run mode, one call
mdl_cache.h	Bounded per-host HTTP document cache for the media downloader
mdl_config.h	Per-site descriptor loaded from a flat key=value config file
mdl_discover.h	Search / browse discovery: governed fetch of a results page, parse, honest presentation, and optional select-for-download
mdl_export.h	Package a downloaded chapter folder into a reader-openable container
mdl_extract.h	Extract image URLs and anchor links from an HTML page (v1 scanner)
mdl_fetch.h	State-aware chapter/page download orchestrator for the media downloader
mdl_format.h	Shared media artifact format contract for download and export paths
mdl_hash.h	Content-identity hashing (FNV-1a 64) for the media downloader's persistent library state
mdl_library.h	Portable bounded operations over a tracked media library
mdl_net.h	Streaming HTTP(S) GET seam (a real function-pointer vtable) for the host manga downloader (v0)
mdl_net_c6link.h	Media network backend over the ESP32-C6 raw HTTPS transport
mdl_pack.h	Archive packaging of downloaded page folders for the mdl CLI
mdl_pathfs.h	Guarded filesystem directory joins for the media downloader
mdl_politeness.h	Jittered inter-request delay plus the per-host politeness governor
mdl_report.h	Human-facing progress and failure reporting for the mdl CLI
mdl_robots.h	Robots.txt parser, path matcher, and per-host cache
mdl_sanitize.h	Neutralise untrusted names before they reach a filesystem or XML sink
mdl_search.h	Pure search/discovery policy: query encoding, URL templating, and the honest zero-vs-broken result classifier
mdl_session.h	Session identity (honest User-Agent) and robots.txt gating
mdl_state.h	Persistent per-series library state for the media downloader
mdl_storage.h	Injected portable storage resources for downloader domain code
mdl_url_guard.h	Pure URL / address safety predicates for the libcurl backend
mdl_urlname.h	Bounded URL naming and portable image-classification helpers
mdl_verify.h	Bounded, no-heap structural validation of mdl artifacts
src
mdl_app.c	The application layer's one composition seam: the bound working set
mdl_app_admin.c	Discovery, descriptor generation, and verification actions
mdl_app_cover.c	Cached series-cover acquisition and validated publication
mdl_app_direct.c	Direct artifact, page, pack, and run composition actions
mdl_app_internal.h	Module-private contract shared by the application-mode translation units
mdl_app_library.c	Tracked-library list, remove, and update-all actions
mdl_app_prepare.c	Descriptor-driven series preparation and safe path setup
mdl_app_series.c	Series selection, download lifecycle, and export actions
mdl_app_storage.c	Portable application-storage policy over the injected filesystem
mdl_app_storage_internal.h	Private portable filesystem operations shared by CLI application modes
mdl_cache.c	Per-host HTTP cache lookup and revalidation state machine
mdl_cache_internal.h	Private binary-index and body I/O seams for mdl_cache
mdl_cache_io.c	Checksummed binary index and immutable body I/O for mdl_cache
mdl_config.c	Flat key=value site-descriptor parser over injected portable storage
mdl_discover.c	Governed search/browse: build the query URL, fetch it politely, parse the hits, and present them honestly (with optional select-for-download)
mdl_export.c	Coordinate bounded chapter export and validated publication
mdl_export_epub.c	Emit deterministic fixed-layout EPUB3 chapter containers
mdl_export_epub_internal.h	Private bounded EPUB3 writer contracts for the media downloader
mdl_export_epub_meta.c	Render the EPUB3 package document, navigation, and identifier
mdl_export_internal.h	Module-private contracts shared by chapter export writers
mdl_export_io.c	Portable source streams and validated exporter publication stages
mdl_export_io_internal.h	Private portable byte-stream contracts for media exporters
mdl_export_jof.c	JOF tile-atlas exporter: one .jof band atlas per chapter page
mdl_export_meta.c	Parse, validate, and serialize portable publication metadata
mdl_export_rabook.c	Bounded fixed-layout EPUB-to-RBKC writer for media chapters
mdl_export_rabook_internal.h	Private bounded RABOOK export contracts for the media downloader
mdl_export_rabook_io.c	Portable temporary EPUB and flat-blob adapters for RABOOK export
mdl_export_tar.c	Stream deterministic CBT and gzip-wrapped CBT containers
mdl_export_workspace.c	Manage the caller-owned media export bump workspace
mdl_export_zip.c	Provide bounded miniz storage and the CBZ container writer
mdl_extract.c	Bounded image/anchor URL scanning and relative-URL resolution
mdl_extract_hits.c	Bounded titled-anchor extraction and deduplication
mdl_extract_internal.h	Shared bounded markup lexer helpers for media extraction units
mdl_fetch.c	State-aware chapter, asset, and run download orchestration
mdl_fetch_body.c	Portable single-transaction response-body sink implementation
mdl_fetch_body_internal.h	Portable single-transaction response-body sink for media fetches
mdl_fetch_internal.h	Module-private fetch-loop decisions promoted for host unit tests and the CLI's end-of-run reporting
mdl_fetch_page.c	Cached page validation, streamed transfer, and publication
mdl_hash.c	FNV-1a 64 content hashing over an injected portable filesystem
mdl_library.c	Portable bounded tracked-library enumeration and tree removal
mdl_net.c	Backend-agnostic dispatchers for the mdl_net_iface_t vtable seam
mdl_net_c6link.c	Digest-verified media network backend over C6link
mdl_net_internal.h	Private HTTP classification shared by downloader network backends
mdl_pack.c	Implementation of the downloaded-folder archive packaging
mdl_pathfs.c	Implementation of the guarded filesystem directory join
mdl_politeness.c	Seeded xorshift64 jitter, injectable clock, and the per-host governor
mdl_report.c	Implementation of the mdl progress + failure presenter
mdl_robots.c	Implementation of the robots.txt parser, matcher, and per-host cache
mdl_sanitize.c	Implementation of the untrusted-name sanitisers
mdl_search.c	Pure search/discovery policy: percent-encoding, URL templating, and the zero-vs-broken result classifier
mdl_session.c	Implementation of the session identity + robots.txt gating
mdl_state.c	In-memory model and coverage queries for persistent series state
mdl_state_codec.c	Portable parser for persistent series state payloads
mdl_state_decimal.c	Exact locale-free conversion for legacy decimal state values
mdl_state_internal.h	Module-private validation shared by the state model and codec
mdl_state_store.c	Portable checksummed two-generation persistence for downloader state
mdl_storage.c	Portable downloader storage binding and validated atomic copy
mdl_stream.c	Private bounded text helpers over the portable byte-stream contract
mdl_stream_internal.h	Private bounded text helpers over the portable byte-stream contract
mdl_url_guard.c	Implementation of the pure URL / address safety predicates
mdl_urlname.c	Bounded URL naming and portable image-type readers
mdl_verify.c	Portable bounded structural validators for media artifacts
mdl_verify_internal.h	Private bounded validator seams shared by the mdl verifiers
mdl_verify_rabook.c	Strict allocation-free RBKC validation for media downloader artifacts
mdl_verify_rabook_internal.h	Private strict RBKC validator seam for media downloader artifacts
mdl_verify_tarball.c	Streamed USTAR and gzip-framed CBT structural validation
mdl_storage_vfs
inc
mdl_rabook_vfs.h	Strict no-heap RBKC validator and reader over named RA8 VFS mounts
mdl_storage_vfs.h	No-heap VFS storage binding for the media-download coordinator
src
mdl_rabook_vfs.c	Strict no-heap RBKC validation and reading through the RA8 VFS
mdl_storage_vfs.c	Transactional media-download storage over named RA8 VFS mounts
rabook_compile
inc
ra8_rabook_comic.h	Streaming image-sequence builder for reader-native RABOOK comics
ra8_rabook_container.h	Zero-heap streaming writer for the chunked RBKC .rabook container
ra8_rabook_gray4.h	Grayscale image transcode stage (4-bpp / 8-bpp) for the on-device EPUB compiler (#149)
ra8_rabook_pipeline.h	End-to-end EPUB -> RABOOK1 compile pipeline (#149)
ra8_rabook_raster.h	Caller-arena raster normalizer for RABOOK image records
ra8_rabook_xml_shim.h	Bounded XHTML-to-RABOOK streaming builder
rabook_compile.h	Zero-heap builder that emits a RABOOK1 blob (the #149 compiler back-end)
src
ra8_rabook_comic.c	Streaming image-sequence builder for reader-native RABOOK comics
ra8_rabook_container.c	Zero-heap streaming RBKC container writer
ra8_rabook_finalize.c	Canonical RABOOK1 serialization and finalization
ra8_rabook_gray4.c	Grayscale image transcode – downscale + quantise + nibble-pack (4-bpp) or copy (8-bpp)
ra8_rabook_pipeline.c	End-to-end EPUB -> RABOOK1 compile pipeline (#149)
ra8_rabook_pipeline_fs.c	Optional ra8_fs publication wrapper for the RABOOK pipeline
ra8_rabook_pipeline_internal.h	Private validation seam shared by RABOOK pipeline entry points
ra8_rabook_raster.c	Caller-arena raster normalizer for RABOOK image records
ra8_rabook_xml_shim.c	Strict streamed XHTML-to-RABOOK consumer
ra8_rabook_xml_shim_test_internal.h	Test-only seams for post-validation XML reader faults
rabook_compile.c	RABOOK1 builder implementation (see rabook_compile.h)
rabook_import
inc
rabook_import.h	On-import EPUB -> .rabook compile-and-cache manager (#151)
rabook_import_compiler.h	Production adapter binding the import seam to the real compiler (#151)
rabook_import_internal.h	Module-private bounded source-key streaming contracts
src
rabook_import.c	On-import EPUB -> .rabook compile-and-cache manager (#151)
rabook_import_compiler.c	Production adapter binding the import seam to the real compiler (#151)
reflow
inc
ra8_img_arena.h	Heap-free scratch allocator hooks for the stb_image single-TU build
ra8_stbtt_alloc.h	Heap-free scratch allocator for stb_truetype (glyph rasterise)
ra8_stbtt_guard.h	Sfnt (TrueType/OpenType) table-directory bounds guard for stb_truetype
reflow.h	HTML / CSS reflow + paginate engine for the ra8d2 ereader
reflow_api.h	Reflow-engine public + internal function prototypes
reflow_cache.h	Import-time pagination cache for reflow (#79)
reflow_css.h	Minimal content-CSS cascade for the reflow ereader engine (#111)
reflow_image.h	Zero-heap raster image decode + scale + blit for reflow (#106)
reflow_svg.h	Minimal SVG handling for the reflow ereader (#112)
reflow_types.h	Reflow-engine data model: enums, structs, typedefs, and the handle
src
ra8_img_arena.c	Caller-bound bump arena with refcount auto-reset for stb_image
ra8_stbtt_alloc.c	Fixed bump arena with refcount auto-reset for stb_truetype
ra8_stbtt_guard.c	Sfnt table-directory bounds validator run before stbtt_InitFont()
reflow_cache.c	Import-time pagination cache serialiser / loader for reflow
reflow_css.c	Content-CSS primitives + declaration-body parsing (#111)
reflow_css_cascade.c	Content-CSS stylesheet scanner, cascade, and face lookup (#111)
reflow_css_internal.h	Cross-TU surface for the split content-CSS cascade (#111)
reflow_css_rules.c	Content-CSS selector + @font-face rule parsing (#111)
reflow_image.c	Zero-heap raster image decode + nearest-neighbour scale + blit (#106)
reflow_internal.h	Test-access surface for reflow internal helpers (MC/DC)
reflow_layout.c	Greedy line-break + page-break engine for reflow
reflow_layout_driver.c	Token-stream driver + public lifecycle API for the reflow engine
reflow_layout_image.c	Block-level <img> layout for the reflow engine (#106)
reflow_layout_internal.h	Cross-TU shared declarations for the reflow layout engine
reflow_layout_table.c	<table> equal-column grid layout for the reflow engine (#107)
reflow_link.c	Page tap-target queries: link + image hit-test, anchor lookup, href split
reflow_parse.c	HTML-subset parser entry point for reflow
reflow_render.c	Page-rasteriser for reflow
reflow_svg.c	Scan / attribute / colour-parsing core of the minimal SVG subset (#112)
reflow_svg_doc.c	SVG document walk, gradient definitions, and the public render API (#112)
reflow_svg_internal.h	Cross-TU surface for the split minimal-SVG subset (#112)
reflow_svg_path.c	SVG <path> d mini-language parser + Bezier flatten (#112)
reflow_svg_shape.c	SVG shape rasterisers: rect / circle / line / polygon + fill + arc (#112)
reflow_svg_xform.c	Coordinate transform + 2x3 affine transform= parsing for SVG (#112)
reflow_tokenize.c	No-heap streaming XHTML tokenizer for reflow (replaces the former heap-backed DOM shim)
reflow_tokenize_attr.c	Attribute and CSS-identity helpers for the no-heap XHTML tokenizer: quoted-attribute scanning, <img src> / <a href> capture, CSS element-identity + inline-style extraction, link interning, and embedded-face resolution
reflow_tokenize_internal.h	Test-access surface for reflow_tokenize.c internal helpers
reflow_tokenize_lex.c	Lexical primitives for the no-heap streaming XHTML tokenizer: whitespace/entity/UTF-8 scanning, tag classification, and the text-pool / token-pool emit helpers
v2
src
reflow_v2.cpp	LiteHTML-backed reflow engine – reflow public API adapter
unarch
inc
unarch_gzip.h	Clean-room gzip member decoder (RFC 1952) over the miniz DEFLATE core
unarch_io.h	Shared seek+read seam and flat-memory backing for the unarchivers
unarch_tar.h	Clean-room, read-only streaming tar walker (POSIX ustar + pax + GNU)
unarch_xz.h	Bounded, fail-closed XZ/LZMA2 decoding over the vendored xz-embedded
unarch_xz_pool.h	Caller-owned bump arena backing xz-embedded's allocator seam
xz_config.h	First-party porting header for the vendored xz-embedded decoder
src
unarch_gzip.c	RFC 1952 gzip member decoder over the vendored miniz tinfl core
unarch_io.c	Flat-memory backing for the shared unarchiver read seam
unarch_tar.c	Streaming tar walker: open / next / read over the shared read seam
unarch_tar_fields.c	Untrusted-byte parsers for the tar walker: numerics, checksum, pax
unarch_tar_internal.h	Module-private tar field/record parsers shared across the tar TUs
unarch_xz.c	Bounded XZ/LZMA2 decode wrapper over the vendored xz-embedded
unarch_xz_pool.c	Bump-arena implementation behind xz-embedded's allocator seam
webp
inc
ra8_webp.h	Zero-heap WebP (VP8 / VP8L) decode facade over the vendored libwebp
ra8_webp_arena.h	Heap-free scratch allocator hooks for the vendored libwebp decoder
src
ra8_webp.c	Zero-heap WebP decode facade over the vendored libwebp (impl)
ra8_webp_arena.c	Caller-bound bump arena with refcount auto-reset for libwebp
xml
inc
xml.h	Bounded, caller-owned, no-heap XML pull reader
src
xml.c	Bounded no-heap XML pull-reader implementation
xml_decode.c	Bounded entity and UTF-8 decoding for the no-heap XML pull reader
xml_doctype.c	Bounded external-only DOCTYPE lexer for the no-heap XML reader
xml_internal.h	Private lexical seams shared by the bounded XML reader
xml_reader_internal.h	Private contracts for the bounded XML reader implementation
zoom
inc
zoom.h	Tap-to-zoom image viewer: viewport state machine + tiled magnifying render (#478)
zoom_book.h	Bind a .rabook image-pool figure as a zoom source (#478)
zoom_tiles.h	Bind a tiled gray8 atlas behind an ra8_tile_cache as a zoom source (#478)
src
zoom.c	Viewport state machine for the tap-to-zoom image viewer (#478)
zoom_book.c	.rabook image-pool source adapter for the tap-to-zoom viewer (#478)
zoom_internal.h	Module-private seam shared by the zoom state machine and its render
zoom_render.c	Strip composite for the tap-to-zoom viewer: magnify, re-dither, blit (#478)
zoom_tiles.c	Tiled-atlas source adapter for the tap-to-zoom viewer (#478)
coprocessor	Firmware for the companion co-processors, built by their own vendor toolchains rather than this tree's: today the ESP32-C6 esp-hosted peripheral image that libs/ra8_c6link talks to over SPI
esp32c6
docs	Human-facing documentation: architecture, policy, the DO-178C / IEC 61508 safety-and-certification evidence, hardware bring-up, and quick reference
adr
design
formats
generated
pinouts
qualification
release
reference	Committed vendor reference material: the RA8D2 datasheet, Hardware User's Manual, technical brief, and the EK-RA8D2 board manual (PDFs), plus the chapter map used by the HUM-citation tooling
sbom
patches
SOUP
examples	Example applications – the primary showcase of the repository
_unsupported	Apps that need external hardware not on the stock board (motor driver, audio CODEC, BLE/Thread radios, ...)
audio_loopback
src
main.c	BSP-driven I2S audio playback demo for EK-RA8D2 (DA7212 CODEC)
motor_3phase
src
main.c	Three-phase GPT PWM motor demo for EK-RA8D2 (GPT0/1/2 -> U/V/W)
threadx_https_client
src
main.c	ThreadX + NetX Duo + Mbed TLS HTTPS client demo for EK-RA8D2
mbedtls_psa_rng.c	Mbed TLS PSA random-source adapter for the HTTPS client demo
threadx_nimble_peripheral
src
main.c	NimBLE-based Battery Service peripheral on top of ThreadX (RA8D2)
threadx_sdcard_demo
src
main.c	Eclipse ThreadX SD-card boot-sector dump on the EK-RA8D2
usb_audio_device
src
main.c	USB Audio Class 1.0 device-mode smoke test for EK-RA8D2 (USB-FS, 48 kHz / 16-bit / stereo iso-IN sine generator)
ek_ra8d2
common
c6_camera_server
inc
c6_camera_server.h	Shared contracts for ESP32-C6 browser camera servers
src
c6_cam_app.c	Shared C6 camera-stream application workflow
c6_cam_audio.c	Interrupt-driven onboard PDM microphone recorder for camera servers
c6_cam_console.c	Heap-free console formatting for camera livestream diagnostics
c6_cam_net.c	NetX DHCP and a single-connection HTTP camera server over ESP32-C6
network_provision
inc
ra8_net_provision.h	Runtime network provisioning contract for EK-RA8D2 applications
src
ra8_net_provision.c	Bounded runtime network provisioning parser and UART receiver
hil_needs_revalidation
bkup_survival_demo
src
main.c	VBATT backup-register read/write + reset-survival demo (EK-RA8D2)
compress_demo
src
main.c	Transparent compress-on-write / decompress-on-read over the VFS (#161)
cpu1_pingpong_ipc
src
cpu1_main.c	CPU1 (Cortex-M33) ping-pong responder
main.c	CPU0 (M85) Secure fallback entry for the TZ ping-pong demo
ns_main.c	Self-contained Non-Secure image at 0x02080000 for the IPC ping-pong demo
system_init.c	Examples/ek_ra8d2/hil_needs_revalidation/cpu1_pingpong_ipc/src/system_init.c
trustzone_init.c	Examples/ek_ra8d2/hil_needs_revalidation/cpu1_pingpong_ipc/src/trustzone_init.c
epub_open
inc
epub_fixture.h	Baked known-good EPUB3 fixture (tests/fuzz/corpus/fuzz_epub/seed_two_chapters.epub)
src
main.c	On-silicon HIL: open + parse a real .epub from SD via ra8_fs (#114)
epub_parse
inc
epub_fixture.h	Baked known-good EPUB3 fixture (tests/fuzz/corpus/fuzz_epub/seed_two_chapters.epub)
src
main.c	On-silicon HIL: epub parse layer runs on the target (#139)
epub_toc
inc
epub_toc_fixture.h	Baked EPUB TOC fixtures for epub_toc (#116)
src
main.c	On-silicon HIL: EPUB TOC navigation (NCX + nav.xhtml) from SD (#116)
ereader_shelf
inc
library.h	@generated by tools/epub_compile/src/bake_library.py – do not edit by hand
sh_app.h	Shared contract for the ereader_shelf multi-screen e-reader
sh_classify.h	Book-format classification by file extension (long-name aware, #633)
sh_comic_fixture.h	Baked CBZ + CBR comic fixtures for the ereader_shelf comic self-check
src
main.c	Hybrid baked + SD e-reader: shelf, cover, TOC, full-book reader
sh_book.c	Format-agnostic book backend: book (.rabook) + epub (.epub)
sh_comic.c	Full-page image reader for CBZ / CBR comic archives (#236)
sh_cover.c	Cover / title page for the open book
sh_image.c	4bpp-grayscale cover / image decode + scaled blit for ereader_shelf
sh_paged.c	Demand-paged .rabook backing: chunk reader + page cache + source bind
sh_reader.c	Full-book reader: per-chapter text extraction, word-wrap, pagination
sh_sd.c	Optional SD-card book source for the hybrid e-reader
sh_shelf.c	Bookshelf screen: a grid of book cards with cover thumbnails
sh_toc.c	Table-of-contents screen: scrollable chapter list for the open book
sh_util.c	Small shared drawing + formatting helpers for ereader_shelf
gpt_irq_demo
src
main.c	GPT0 overflow interrupt -> NVIC -> ISR demo for EK-RA8D2
lpm_deep_standby_1_demo
src
main.c	Deep Software Standby 1 (LPSCR.LPMD = 0x8) entry demo
lpm_deep_standby_2_demo
src
main.c	Deep Software Standby 2 (LPSCR.LPMD = 0x9) entry demo
lpm_deep_standby_3_demo
src
main.c	Deep Software Standby 3 (LPSCR.LPMD = 0xA) entry demo
lpm_idle_demo
src
main.c	Sleep-mode wake-count demo for the bare EK-RA8D2
lpm_periodic_idle
src
main.c	Periodic-app deep-idle loop: wake-do-work-standby on ULPT0 self-wake
lpm_software_standby_demo
src
main.c	Software Standby (LPSCR.LPMD = 0x5) + RTC periodic wake demo
lpm_ulpt_standby
src
main.c	ULPT0-underflow wake from Software Standby (LPSCR.LPMD = 0x5)
lpm_wake_matrix_demo
src
main.c	Exercise the WUPEN0 / WUPEN1 wake-source enable matrix
lvd_monitor_demo
src
main.c	Safe LVD / PVD VCC-monitor demo for the EK-RA8D2
mem_ecc_fault_demo
src
main.c	SRAM ECC fault-injection + detection demo (EK-RA8D2, issue #130)
mem_subsystem
src
main.c	Drives each ra8_mem (#147) memory-hierarchy layer in isolation (#263)
mpu_partition_simple
src
main.c	Single-region MPU read-only partition demo with fault recovery
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
pagecache
src
main.c	On-silicon HIL: reflow pagination-cache round-trip on SD (#117)
pdg_delay_demo
src
main.c	PWM Delay Generation (PDG) bring-up + delay-program demo (EK-RA8D2)
poeg_safe_shutoff
src
main.c	POEG (Port Output Enable for GPT) safe-shutoff demo for the EK-RA8D2
power_profiler
src
main.c	Power-mode profiler smoke app for the EK-RA8D2
psa_crypto_hil
src
main.c	On-silicon NIST/RFC known-answer test for the REAL crypto backend
psa_kat_shim.c	TEST-ONLY platform shims for the tf-psa-crypto software backend
ra8_cache_store_demo
inc
cache_store_demo.h	Hardware-free driver for the ra8_cache_store on-media cache demo (#257)
lx_nor_ram.h	RAM-backed standalone-LevelX NOR driver (the ra8_cache_store DIP seam)
src
cache_store_demo.c	Hardware-free ra8_cache_store on-media cache demo – implementation (#257)
lx_nor_ram.c	RAM-backed standalone-LevelX NOR driver – implementation
main.c	Ra8_cache_store on-media render/glyph cache demo for the EK-RA8D2 (#257)
ra8_io_cache_demo
src
main.c	Ra8_io caching block device demo (Phase 5, #160)
ra8_io_demo
inc
ra8_io_roundtrip.h	Shared, backend-agnostic ra8_io VFS round-trip for the FAT demos (#155)
src
main.c	End-to-end demo of the ra8_io fabric (epic #155) over a RAM block device
ra8_io_roundtrip.c	Shared ra8_io VFS round-trip implementation for the FAT demos (#155)
ra8_io_fsfmt_demo
src
main.c	Ra8_io pluggable filesystem-format registry demo (Phase 4, #159)
ra8_io_sd_demo
inc
ra8_io_roundtrip.h	Shared, backend-agnostic ra8_io VFS round-trip for the FAT demos (#155)
src
main.c	Prove the ra8_io fabric's swappable backend (#155/#156) over a microSD
ra8_io_roundtrip.c	Shared ra8_io VFS round-trip implementation for the FAT demos (#155)
ra8_io_sdram_demo
inc
ra8_io_roundtrip.h	Shared, backend-agnostic ra8_io VFS round-trip for the FAT demos (#155)
src
main.c	Ra8_io fabric over the external SDRAM backend (epic #155) on EK-RA8D2
ra8_io_roundtrip.c	Shared ra8_io VFS round-trip implementation for the FAT demos (#155)
ra8_io_xspi_demo
inc
ra8_io_roundtrip.h	Shared, backend-agnostic ra8_io VFS round-trip for the FAT demos (#155)
src
main.c	Ra8_io fabric over OSPI NOR flash (epic #155, #156) on the EK-RA8D2
ra8_io_roundtrip.c	Shared ra8_io VFS round-trip implementation for the FAT demos (#155)
reflow_content
inc
font_fixture.h	Baked Ahem TTF (public domain) for the ereader_link layout gate
src
main.c	Headless on-silicon HIL gate for reflow content render + pagination (#115)
reset_cause_demo
src
main.c	HIL gate for the ra8_reset driver – software-reset round-trip
rng_demo
src
main.c	Ra8_psa_crypto_random() dump over SCI8 for the bare EK-RA8D2 EVM
rot_verify_hil
inc
rot_fixture.h	Baked RoT-signed image fixture (body + ra8_rot_trailer_t)
src
main.c	On-silicon root-of-trust image verify (ECDSA-P256 via tf-psa-crypto)
psa_kat_shim.c	TEST-ONLY platform shims for the tf-psa-crypto software backend
rsip_sha256_kat
src
main.c	On-silicon FIPS 180-4 known-answer test for the RSIP HASH engine
rtc_alarm
src
main.c	RTC alarm + UART log demo for EK-RA8D2
rtc_periodic_demo
src
main.c	RTC alarm + UART log demo for EK-RA8D2
touch_cal
src
main.c	N-point affine touch-calibration demo + HIL gate (#262)
touch_demo
src
main.c	Standalone GoodIX GT911 capacitive-touch bring-up demo + HIL (#122)
tz_nsc_cgc_usb
inc
ns_usb_internal.h	Private split-seam shared between ns_usb.c and ns_usb_host.c (#96)
src
main.c	CPU0 (M85) Secure fallback entry for the single-core S->NS demo
ns_main.c	Non-Secure image: prove the NSC CGC veneers return OK from NS (#60)
ns_usb.c	Non-Secure image: full ThreadX + USBX CDC self-loop inside TrustZone NS (#96)
ns_usb_host.c	Non-Secure USBHS polled HOST ladder: enumerate + bulk echo (#96)
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Single-core TrustZone bring-up for a RAM-resident NS image (#60)
usb_selftest_wlun
inc
usb_selftest_wlun_steps.h	Examples/ek_ra8d2/hil_needs_revalidation/usb_selftest_wlun/inc/usb_selftest_wlun_steps.h
src
main.c	USB self-loop: HS host WRITE(10)s + reads back a RAM-backed device
usb_selftest_wlun_console.c	Examples/ek_ra8d2/hil_needs_revalidation/usb_selftest_wlun/src/usb_selftest_wlun_console.c
usb_selftest_wlun_host.c	Examples/ek_ra8d2/hil_needs_revalidation/usb_selftest_wlun/src/usb_selftest_wlun_host.c
hw_pending	Apps written but not yet hardware-validated on a stock board
adc_diag_tsn_demo
src
main.c	ADC_B self-diagnosis (modes 1/2/3) + on-die temperature demo
battery_monitor_demo
src
main.c	Battery state-of-charge monitor over a MAX17048-class fuel gauge
blink_m33_hal
inc
blink_m33_hal.h	One-iteration LED1 blink step for the HAL-based M33 example
src
cpu1_main.c	CPU1 (Cortex-M33) image: blink LED1 through the HAL PCNTR primitive
main.c	CPU0 (Cortex-M85) launcher for the HAL-based M33 blink
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
c6
c6_mdl_test
src
main.c	Cross-build fixture for the bounded C6 media RPC types
cache_hal_enable_demo
src
main.c	Cortex-M85 L1 cache brought up through the ra8_cache HAL (issue #577)
compile_on_m33
inc
compile_on_m33.h	Shared-SRAM contract for the "RABOOK1 emitter on the M33" demo (#149b)
parity_fixture.h	Baked parity .epub + golden blob for the M33 compile (#149)
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) image: full text/CSS/SVG EPUB->RABOOK1 compile
main.c	CPU0 (Cortex-M85 primary core) driver: stage an EPUB, offload its compile to the M33
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
dtc_isr_arm_demo
src
main.c	DTC arm/disarm demo built on the ra8_isr_set_dtc() HAL primitive
epaper_refresh
src
main.c	IT8951 e-paper full + partial refresh demo through the display PAL
epub_stress
inc
epub_stress_fixture.h	Baked synthetic large-structure EPUB3 for the #144 pool-stress gate
scripts
make_stress_fixture.py
src
main.c	On-silicon HIL: large-structure EPUB opens on the static arena (#144)
ereader_comic
inc
cm_tiled_check.h	Boot-time self-check that opens an oversized comic page via the JOF tile path and reports a deterministic digest (#344)
comic_large_fixture.h	Baked oversized single-page CBZ for the ereader_comic tile self-check (#344; generated by scripts/gen/gen_comic_large_fixture.py – do not edit)
comic_pages_fixture.h	Baked multi-page CBZ fixture for the viewable ereader_comic demo (generated by scripts/gen/gen_comic_fixture.py – do not edit)
src
cm_tiled_check.c	Oversized-page tile self-check for ereader_comic (#344)
main.c	Viewable page-turn comic reader – baked CBZ decoded to the 1024x600 GLCDC panel, tap-zone navigation (ra8_emulator / emulator-viewable)
ereader_cover
inc
epub_cover_fixture.h	Baked minimal EPUB3 with a real PNG cover (cover-image manifest item)
scripts
make_cover_fixture.py
src
main.c	On-silicon HIL: EPUB cover-art extraction + decode + render (#143)
ereader_longstrip
src
main.c	Viewable continuous vertical-scroll (longstrip / manhwa) reader (#289)
ereader_m33
inc
ereader_m33.h	Shared contract for the "render a held e-reader page on the M33" demo
rabook_fixture.h	Baked, INFLATED .rabook flat blob for the ereader_rabook gate
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) image: render a held e-reader page
main.c	CPU0 (Cortex-M85 primary core) driver for the e-reader-on-M33 demo
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
ereader_manga
inc
mg_page_fixture.h	Baked demo manga page for the ereader_manga viewer
mg_reader.h	Tap-driven pan/zoom viewer over a tiled manga page (ereader_manga)
src
main.c	Viewable manga reader: pan/zoom a page larger than the panel (Demo B)
mg_reader.c	Tap-driven pan/zoom viewer over a tiled manga page (ereader_manga)
ereader_zoom
inc
ez_scene.h	Tap-to-zoom demo scene: tiled 12 MP page, zoom viewport, loupe (#478)
src
ez_scene.c	Tap-to-zoom demo scene: page sampler, viewports, chrome, self-check
main.c	Viewable tap-to-zoom image viewer: full-screen zoom + panel loupe (#478)
eth_gptp_timestamp_demo
src
main.c	GPTP hardware-timer demo – proves the HUM Ch 35 counter really runs
eth_hal_bringup
src
main.c	HAL-based ESWM/COMA Ethernet media bring-up demo (issue #581)
eth_l3switch_forward_demo
src
main.c	L3 Ethernet switch / frame-forwarding config demo (ra8_eth_mfwd + ra8_layer3_switch)
eth_tsn_tas_demo
src
main.c	TSN scheduled-traffic demo: 802.1Qbv time-aware + 802.1Qav credit shaper
gpt_edge_capture_count
src
main.c	GPT hardware input-capture + external event/pulse counting demo
hal_timebase_demo
src
main.c	HAL SysTick + DWT timebase demo for EK-RA8D2 (SCI8 @ 115200)
i2c_peripheral_responder
src
main.c	RIIC (ra8_i2c) target/peripheral responder driven by an external controller
i3c_i2c_peripheral_demo
src
main.c	IIC_B peripheral-mode demo on EK-RA8D2
import_reader
src
main.c	End-to-end on-import EPUB -> .rabook compile + cache + read (#151)
imu_lsm6dso_demo
src
main.c	LSM6DSO 6-DoF IMU bring-up demo over IIC_B
lin_commander_hil
src
main.c	LIN commander frame-driver HIL demo for EK-RA8D2 (SCI2 on Pmod1)
lowpower_holdpage
inc
lowpower_holdpage.h	Shared-SRAM contract for the low-power "hold the page" dual-core demo
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) image: hold the page in low power
main.c	CPU0 (Cortex-M85 primary core) driver for the low-power hold-page demo
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
manual
usb_msc_sdcard
inc
usb_msc_sdcard_steps.h	Examples/ek_ra8d2/hw_pending/manual/usb_msc_sdcard/inc/usb_msc_sdcard_steps.h
src
main.c	USB MSC device serving the LIVE full-capacity Pmod2 SD card (R/W)
usb_msc_sdcard_console.c	Examples/ek_ra8d2/hw_pending/manual/usb_msc_sdcard/src/usb_msc_sdcard_console.c
usb_msc_sdcard_steps.c	Examples/ek_ra8d2/hw_pending/manual/usb_msc_sdcard/src/usb_msc_sdcard_steps.c
usb_printer_vendor
inc
usb_printer_vendor_ch9.h	Chapter-9 SETUP router + descriptor tables for the printer/vendor demo
src
main.c	Native (bare-metal) USB printer + vendor composite device for EK-RA8D2
media_download
inc
media_download_format_internal.h	Private source-image to RBKC formatter for the media app
media_download_image_internal.h	Private encoded-image download and RABOOK publication composition
src
main.c	Download, validate, publish, and reopen one C6-fetched .rabook
media_download_format.c	Private source-image to RBKC formatter for the media app
media_download_image.c	Convert one C6-fetched encoded image into a strict .rabook
modem_at_demo
src
main.c	Cellular AT-modem bring-up + query demo over the MikroBUS UART (SCI7)
mpu_boot_map_hal
src
main.c	"MPU boot map brought up through the ra8_mpu HAL" self-test (#576)
system_init.c	Cortex-M85 / RA8D2 core bring-up – MPU map via the ra8_mpu HAL (#576)
ota_ab_orchestration
src
main.c	A/B OTA orchestration demo: stage -> verify -> commit / rollback over MRAM
ra8_ftl_demo
src
main.c	Wear-levelled block I/O + power-cycle survival over the FTL (#258)
ra8_io_mram_demo
src
main.c	Ra8_io fabric over on-chip extra-MRAM (data flash) backend (#155/#156)
ra8_io_sdhi_demo
src
main.c	Prove the ra8_io fabric's swappable backend (#155/#156) over native SDHI
ra8_io_swap_demo
src
main.c	Ra8_io fabric capstone: two block-dev backends swapped behind one interface, a VFS open/read/write/close round-trip, and stdio retargeted to both a UART and a RAM stream (epic #155, issue #264)
ra8_sdhi_card_demo
src
main.c	Native 4-bit SDHI raw-block round-trip on the EK-RA8D2 microSD (#123)
scb_diag_demo
src
main.c	Cortex-M85 SCB HAL demo: VTOR query + fault-status dump over UART
secure_boot_ns_hil
inc
trustzone_init.h	Secure TrustZone bring-up contract for the BLXNS RoT proof (#172)
scripts
sign_and_merge.py
src
main.c	Secure side: authenticate the NS image, then BLXNS – the TrustZone RoT proof (#172)
ns_main.c	Non-Secure image: liveness beacon proving the BLXNS RoT gate passed (#172)
psa_verify_rng.c	Fail-closed PSA external-RNG hook for the verify-only secure boot (#172)
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Single-core TrustZone bring-up for a RAM-resident NS image (#172)
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
smbus_demo
src
main.c	SMBus 3.2 protocol-layer demo + HIL over IIC_B (#128)
tls_client
src
main.c	TLS client over ra8_tls + ra8_net_pal (NetX Duo transport)
tz_threadx_demo
src
main.c	CPU0 (M85) Secure world fallback for the trustzone_threadx_demo
ns_main.c	Non-Secure main entry point: launches ThreadX and demo worker threads
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Single-core TrustZone bring-up for a RAM-resident NS image (#60)
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
webp_decode_demo
src
main.c	On-target WebP decode smoke test (ra8_webp over vendored libwebp)
hw_validated	Apps confirmed working on a stock EK-RA8D2 board: smoke (no-UART), uart (print over SCI), manual (jumper/button steps), and hil (hardware-in-the-loop, driven by the bench rig)
c6
c6_camera_livestream
src
c6_cam_camera.c	Camera initialization and VGA UYVY to QVGA JPEG frame production
main.c	Entry point for the software-JPEG C6 camera livestream
c6_camera_mjpeg
src
c6_cam_camera.c	OV5640 hardware-JPEG camera backend for the C6 MJPEG example
main.c	Entry point for the sensor-JPEG C6 camera livestream
c6_fw_version
inc
c6_fwver.h	Shared contract for the esp-hosted RPC round-trip application
src
c6_fwver_console.c	Bounded console formatters for the esp-hosted RPC round-trip app
c6_fwver_link.c	The esp-hosted transaction pump: frame in, frame out, counted
c6_fwver_priv.c	The ESP_PRIV_IF control channel: host capabilities out, INIT in
c6_fwver_rpc.c	The ESP_SERIAL_IF RPC channel: request, response, verdict
main.c	Complete an esp-hosted RPC round-trip against the ESP32-C6
c6_hosted_init
inc
c6_hosted.h	Shared contract for the esp-hosted port bring-up application
src
c6_hosted_console.c	Bounded console formatters for the esp-hosted port bring-up app
c6_hosted_frame.c	The single esp-hosted transaction, its decode and its verdict
c6_hosted_report.c	Banner, resolved pin map and side-band reporting for the bring-up
main.c	Bring the RA8D2 + ThreadX esp-hosted port up against the ESP32-C6
c6_spi_probe
inc
c6_probe.h	Shared contract for the EK-RA8D2 <-> ESP32-C6 esp-hosted SPI probe
c6_proto.h	The esp-hosted SPI full-duplex wire format, hand-decoded
src
c6_console.c	Bounded console formatters for the ESP32-C6 SPI probe
c6_frame.c	Hand-decoded esp-hosted payload header for the ESP32-C6 SPI probe
c6_sideband.c	Pmod1 side-band sampling, wire test, pull-up contest, chip-select hunt
c6_xfer.c	One full esp-hosted SPI full-duplex transaction against the C6
main.c	First raw SPI link probe against the ESP32-C6 wireless co-processor
c6_wifi_join
inc
c6_join.h	Shared contract for the C6 Wi-Fi join + DHCP + reachability app
src
c6_join_console.c	Bounded console formatters for the C6 Wi-Fi join application
c6_join_net.c	NetX Duo IP bring-up over the C6 link: DHCP lease + ICMP reachability
main.c	Join the bench Wi-Fi over the ESP32-C6 and get an IP by DHCP (#492)
c6_wifi_link
inc
c6_wifi.h	Shared contract for the ra8_c6link facade bring-up application
src
c6_wifi_console.c	Bounded console formatters for the ra8_c6link bring-up application
main.c	Bring the ESP32-C6's Wi-Fi station up through the ra8_c6link facade
wifi_hal_join
inc
wifi_hal_join.h	Constants, console formatters and the DHCP provider for the HAL join
src
main.c	The same Wi-Fi join as c6_wifi_join, the HAL way, through ra8_wifi
wifi_hal_console.c	Bounded console formatters for the HAL Wi-Fi join application
wifi_hal_core.c	The example's join+DHCP journey, hardware-free so it is host-testable
wifi_hal_ip.c	The NetX Duo DHCP provider the ra8_wifi facade calls for an address
hil
acmphs_compare
src
main.c	High-Speed Analog Comparator (ACMPHS) channel-0 polling demo
adc_b_demo
src
main.c	ADC_B VREF-channel sample-and-log demo for EK-RA8D2
agt_cascade_demo
src
main.c	AGT0 + AGT1 cascade (32-bit virtual counter) demo for EK-RA8D2
agt_periodic
src
main.c	AGT 1 Hz tick + LED1 blink demo for EK-RA8D2
agt_pulse_demo
src
main.c	AGT pulse-output / output-compare demo for EK-RA8D2
app_launch_demo
src
main.c	Minimal chrome stub: register apps + launch + back-stack (#146)
app_shell_demo
src
main.c	App-shell chrome: launch reader / library / settings apps (#146 Ph2)
blink
src
main.c	Minimal LED-blink demo for EK-RA8D2 (single LED, BSP-driven)
blink_hal
src
main.c	HAL-based LED-blink demo for EK-RA8D2 (using ra8_board_ek_ra8d2)
blink_m33
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) image: blink LED1 forever
main.c	CPU0 (Cortex-M85 primary core) launcher for the M33 blink template
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
bscan_selftest
src
main.c	Headless on-silicon self-test gate for the JTAG boundary-scan TAP bookkeeping driver ra8_bscan (#138)
cac_accuracy_demo
src
main.c	Clock Frequency Accuracy Measurement (CAC) demo for the EK-RA8D2
cache_coherency_hil
inc
cache_coherency_shared.h	Shared-SRAM message layout for the M85<->M33 cache-coherency HIL test
src
cpu1_main.c	CPU1 (Cortex-M33) cache-coherency responder
main.c	CPU0 (Cortex-M85) cache-coherency validator against CPU1 (Cortex-M33)
cache_mpu_hil
src
main.c	Cortex-M85 L1 cache + MPU "runs correctly with them on" HIL self-test
camera_capture
inc
cam_ceu.h	App-specific GPIO diagnostic for the parallel DVP camera signals
cam_image.h	SDRAM-backed RGB888 views of one packed VGA UYVY camera frame
src
cam_ceu.c	GPIO activity diagnostic for the J35 parallel DVP camera signals
cam_image.c	UYVY-to-RGB888 conversion and 0/90/180/270 SDRAM image production
main.c	OV5640 parallel (CEU) camera capture + plausibility self-test
can_classic_loopback
src
main.c	CAN 2.0B (classic, non-FD) internal-loopback HIL test
canfd_filter_demo
src
main.c	CAN-FD acceptance-filter demo for EK-RA8D2
canfd_loopback
src
main.c	CANFD0 internal-loopback HIL test for EK-RA8D2
clock_check
src
main.c	Clock bring-up HIL test for EK-RA8D2 (CGC: HOCO + PLL)
cpu1_pingpong
inc
shared_pingpong.h	Shared-SRAM message layout for the CPU0 <-> CPU1 ping-pong demo
src
cpu1_main.c	CPU1 (Cortex-M33) ping-pong responder
main.c	CPU0 (Cortex-M85) ping-pong demo against CPU1 (Cortex-M33)
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
crc_demo
src
main.c	CRC-32 hardware vs
crypto_aes_demo
src
main.c	AES-128-GCM encrypt + decrypt round-trip on EK-RA8D2
dac_b_demo
src
main.c	DAC_B 12-bit DC sweep demo for EK-RA8D2
dac_waveform
src
main.c	12-bit DAC_B triangle-wave generator for EK-RA8D2
dfu_bootloader
scripts
stage_slot_image.py
src
main.c	Real USB-DFU MRAM bootloader: boot the active app slot, or accept a DFU update
psa_verify_rng.c	Fail-closed PSA external-RNG hook for the verify-only bootloader
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
dfu_copy_to_run
inc
payload_image.h	GENERATED by examples/ek_ra8d2/hw_validated/hil/dfu_copy_to_run/scripts/ build_payload.sh from src/payload.c – do not edit
src
main.c	Copy-to-run HIL demo: launch one embedded image at the SRAM run base
payload.c	Minimal copy-to-run payload – one image that runs from the SRAM run base
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
dfu_selftest_boot
src
main.c	USB self-loop: the board is its own dfu-util – DFU-flash + commit a bootable Slot-A image
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
dfu_selftest_fs_host
src
main.c	USB self-loop config B: FS host DFU-downloads firmware to an HS DFU device, uploads + verifies
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
dfu_selftest_hs_host
src
main.c	USB self-loop: HS host DFU-downloads firmware to an FS DFU device, uploads + verifies
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
dma_coherency_hil
src
main.c	DMAC mem-to-mem coherency HIL proof with the M85 D-cache ENABLED
dma_memcopy_demo
src
main.c	1 KB DMAC SRAM-to-SRAM copy + verify demo for the EK-RA8D2
dma_memcopy_hal
src
main.c	1 KB DMAC SRAM-to-SRAM copy demo driven by the ra8_dmac HAL
doc_demo
src
main.c	Data Operation Circuit (DOC) hardware vs software check
dotf_selftest_demo
src
main.c	DOTF (Decryption On The Fly) bring-up + AES self-test demo (EK-RA8D2)
drw_blend_demo
src
main.c	DRW 2D-engine blit + per-pixel alpha-blend headless CRC demo (EK-RA8D2)
drw_dlist_demo
src
main.c	DRW display-list (DLR) clear+fill demo – loop-stable (EK-RA8D2, #247)
drw_fill_demo
src
main.c	DRW 2D-engine framebuffer fill-rect + verify demo (EK-RA8D2)
dtc_coherency_hil
src
main.c	DTC vector-table / TI coherency HIL proof with the M85 D-cache ENABLED
dtc_transfer_demo
src
main.c	1 KB DTC SRAM-to-SRAM block-copy + verify demo for the EK-RA8D2
dualcore_background_m33
inc
dualcore_background.h	Shared-SRAM control block for the M33 autonomous counter demo
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) autonomous counter image
main.c	CPU0 (Cortex-M85 primary core) driver for the autonomous M33 demo
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
dualcore_mailbox
inc
dualcore_mailbox.h	Shared-SRAM mailbox layout for the M85 <-> M33 dual-core demo
src
cpu1_main.c	CPU1 (Cortex-M33 secondary core) responder image
main.c	CPU0 (Cortex-M85 primary core) driver for the dual-core demo
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
ecc_monitor_demo
src
main.c	SRAM ECC bring-up + error-status monitor demo (EK-RA8D2)
elc_event_demo
src
main.c	Event Link Controller (ELC) software-event demo for the EK-RA8D2
ereader_align
inc
font_fixture.h	Baked Ahem TTF (public domain) for the ereader_link layout gate
src
main.c	Headless on-silicon HIL gate for text alignment + justification (#108)
ereader_chrome
src
main.c	Headless on-silicon HIL gate for the e-reader chrome render pipeline
ereader_image
inc
cover_fixture.h	Baked 120x90 RGB PNG test cover for the ereader_image gate
src
main.c	Headless on-silicon HIL gate for the raster image decode pipeline (#106)
ereader_imgfmt
inc
imgfmt_fixtures.h	Baked BMP + GIF test images for the ereader_imgfmt gate
scripts
make_imgfmt_fixtures.py
src
main.c	On-silicon HIL: BMP + GIF decode format-coverage gate (#143)
ereader_input
src
main.c	Headless on-silicon HIL gate for e-reader interaction / hit-test (#118)
ereader_jpeg
inc
jpeg_fixture.h	Baked 120x90 RGB JPEG test cover for the ereader_jpeg gate
src
main.c	Headless on-silicon HIL gate for the raster image decode pipeline (#143)
ereader_link
inc
font_fixture.h	Baked Ahem TTF (public domain) for the ereader_link layout gate
src
main.c	Headless on-silicon HIL gate for in-content hyperlink navigation (#110)
ereader_rabook
inc
font_fixture.h	Baked Ahem TTF (public domain) for the ereader_link layout gate
rabook_fixture.h	Baked, INFLATED .rabook flat blob for the ereader_rabook gate
rabook_gray8_fixture.h	Baked, INFLATED .rabook flat blob carrying one full-resolution gray8 image (#476)
src
main.c	Headless HIL gate: load a compiled .rabook and render it (small to large)
ereader_svg
inc
svg_fixture.h	Baked deterministic SVG vector-art fixture for ereader_svg
src
main.c	On-silicon HIL: SVG vector-art render-at-size + CRC gate (#143)
ereader_table
inc
font_fixture.h	Baked Ahem TTF (public domain) for the ereader_link layout gate
src
main.c	Headless on-silicon HIL gate for <table> grid layout (#107)
ereader_ui
inc
er_pageturn.h	Pure page-turn + input-region decisions for the e-reader (#78)
ereader_ui_steps.h	E-reader UI chrome – shared contract between main.c and the per-aspect helper translation units (screens + input)
figure_fixture.h	Baked 200x130 RGB PNG figure for the Reading screen (#106 Phase 1/2)
src
ereader_ui_input.c	E-reader UI chrome – on-screen keyboard, battery nag, input polling
ereader_ui_screens.c	E-reader UI chrome – Library + Reading rendering and in-content nav
main.c	E-reader device chrome – Library + Reading screens
eth_loopback
src
main.c	ETHA per-port internal loopback bring-up demo for EK-RA8D2
eth_open_probe
src
main.c	Bare-metal ra8_eth_open() bring-up probe (tracker issue #524)
fault_crashlog_hil
src
main.c	Prove the cross-reset crash-log + reset-loop guard (T2-03, #191)
fault_div0_hil
src
main.c	Prove CCR.DIV_0_TRP: a zero divisor must raise a decoded UsageFault
flash_journal
src
main.c	Octo-SPI flash journal demo for EK-RA8D2
fs_format_mount
src
main.c	Format + mount + file-ops HIL demo across every FAT type ra8_fs writes
glcdc_render
src
main.c	Headless on-silicon HIL gate for the GLCDC layer-1 render path
gpio_input_demo
src
main.c	SW1 -> LED1 mirror demo for the EK-RA8D2
gpt_capture_input
src
main.c	GPT input-capture-style demo: measure SW1 press period
gpt_dma_demo
src
main.c	GPT period-streaming DMA HIL demo for EK-RA8D2
gpt_one_shot_demo
src
main.c	GPT one-shot (saw-wave one-shot) HIL demo for EK-RA8D2
gpt_pwm_demo
src
main.c	GPT PWM duty-cycle LED demo for EK-RA8D2
gpt_three_phase_demo
src
main.c	GPT three-phase complementary PWM HIL demo for EK-RA8D2
i2c_i3c_combined
src
main.c	RIIC + I3C(I2C-mode) coexistence self-test for the EK-RA8D2
i2c_loopback
src
main.c	RIIC (ra8_i2c) controller self-test against the on-board U15
i3c_loopback
src
main.c	I3C (ra8_i3c) controller bring-up self-test for the EK-RA8D2
icu_extint_demo
src
main.c	ICU external-interrupt-on-user-button demo for EK-RA8D2
iic_b_facade_demo
src
main.c	IIC_B (I3C block in I2C-compat mode) facade controller + peripheral demo
iwdt_demo
src
main.c	IWDT window-mode refresh demo for EK-RA8D2
keyboard
src
main.c	On-silicon HIL for the on-screen keyboard widget ra8_keyboard (#105)
kint_demo
src
main.c	Key-interrupt (KINT / IRQ pin) input demo for EK-RA8D2
lpm_deep_sleep_demo
src
main.c	Deep-Sleep mode (LPMD=0, SCR.SLEEPDEEP=1) one-shot wake demo
pdm_mic_demo
src
main.c	PDM MEMS microphone capture + plausibility demo (SPH0690 / ch 2)
rtt_log_demo
src
main.c	Minimal SEGGER RTT logging demo for EK-RA8D2
sd_font_render
src
main.c	Load a TTF/OTF font off an SD card and render text with reflow
sdram_benchmark
src
main.c	External SDRAM bring-up + 64 KB write/read benchmark on EK-RA8D2
secure_boot_hil
inc
signed_payload.h	GENERATED: copy-to-run payload signed by scripts/secrets/rot_sign.py – do not edit
src
main.c	On-silicon enforcing secure boot: reject a tampered image, launch the signed one
psa_kat_shim.c	TEST-ONLY platform shims for the tf-psa-crypto software backend
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
spi_loopback
src
main.c	SPI_B internal-loopback HIL test for the EK-RA8D2
ssie_audio_loop
src
main.c	SSIE I2S internal-loopback audio integrity demo for EK-RA8D2
threadx_blink
src
main.c	Eclipse ThreadX bring-up HIL test on the EK-RA8D2
threadx_canfd_demo
src
main.c	Eclipse ThreadX CANFD heartbeat / RX-logger demo for RA8D2
threadx_fs_demo
src
main.c	ThreadX + ra8_fs file-operations demo on the on-board OSPI flash
threadx_fs_levelx_demo
src
main.c	ThreadX + ra8_fs-on-LevelX-on-OSPI wear-levelled FAT demo for EK-RA8D2
threadx_ipc_demo
src
main.c	ThreadX inter-thread queue (TX_QUEUE) demo on the EK-RA8D2
threadx_levelx_demo
src
main.c	ThreadX + LevelX wear-levelling demo for EK-RA8D2 OSPI flash
threadx_mpu_partition_demo
src
main.c	Eclipse ThreadX + Arm v8-M MPU partition demo for RA8D2
threadx_netx_tcp_echo
src
main.c	ThreadX + NetX Duo TCP echo demo for EK-RA8D2
threadx_systick_retune
src
main.c	Eclipse ThreadX SysTick retune-to-live-CPUCLK0 demo (issue #287)
timer_capture_demo
src
main.c	GPT free-running timer capture demo for the EK-RA8D2
tz_secure_only_sd
src
main.c	SPI-mode SD card round-trip HIL demo for the EK-RA8D2
uart_hello
src
main.c	UART "hello world" HIL test for EK-RA8D2 (SCI8 @ 115200)
uart_irq_echo
src
main.c	Interrupt-driven SCI8 UART echo for EK-RA8D2 (RXI / TXI / TEI)
ulpt_demo
src
main.c	ULPT 1 Hz wake-from-software-standby demo for EK-RA8D2
usb_host_keyboard
inc
usb_host_keyboard_steps.h	Shared seam between usb_host_keyboard main.c and its sibling TUs
src
main.c	USB host-mode HID boot-keyboard over the self-loop (no real keyboard)
usb_host_keyboard_console.c	SCI8 -> J-Link OB CDC console formatters for usb_host_keyboard
usb_host_keyboard_device.c	USBX HID boot-keyboard device worker for usb_host_keyboard
usb_host_msc_browse
inc
usb_host_msc_browse_steps.h	Shared constants + device-side FAT16/MSC step declarations
src
main.c	USB host-mode MSC browse over the on-board self-loop (no external drive)
usb_host_msc_browse_host.c	Console formatters + host-side ra8_fs browse/verify ladder
usb_host_msc_browse_steps.c	Device-side FAT16 synthesis + USBX storage media callbacks
usb_selftest_cdc
inc
usb_selftest_cdc_steps.h	Host-side self-test ladder + console helpers shared with main.c
src
main.c	USB self-loop: HS host writes bytes to a CDC-ACM device, reads the echo
usb_selftest_cdc_steps.c	Host-side self-test ladder, console formatters, and echo pattern
usb_selftest_dfu
inc
usb_selftest_dfu_steps.h	Shared constants + host-side DFU ladder interface for usb_selftest_dfu
src
main.c	USB self-loop: HS host DFU-downloads firmware to an FS DFU device, uploads + verifies
usb_selftest_dfu_steps.c	Host-side DFU ladder + console helpers for usb_selftest_dfu
usb_selftest_fs_host
inc
usb_selftest_fs_host_steps.h	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_fs_host/inc/usb_selftest_fs_host_steps.h
src
main.c	USB self-loop config B: FS host reads the HS device's MSC MRAM disk
usb_selftest_fs_host_fatdisk.c	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_fs_host/src/usb_selftest_fs_host_fatdisk.c
usb_selftest_fs_host_host.c	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_fs_host/src/usb_selftest_fs_host_host.c
usb_selftest_hid
inc
usb_selftest_hid_steps.h	Shared contract for the USB HID self-loop console + host clusters
src
main.c	USB self-loop: HS host reads + verifies a HID device's interrupt reports
usb_selftest_hid_console.c	USB HID self-loop console formatters (SCI8 -> J-Link OB CDC)
usb_selftest_hid_host.c	USB HID self-loop host side: polled enumerate + interrupt-IN read
usb_selftest_hs_host
inc
usb_selftest_hs_host_steps.h	Shared constants + step prototypes for the USB self-loop config A app
src
main.c	USB self-loop config A: HS host reads the FS device's MSC MRAM disk
usb_selftest_hs_host_host.c	Host-side console formatters + ra8_fs backend + pass ladder
usb_selftest_hs_host_msc.c	Device-side FAT16 synthesis + USBX storage media callbacks
usb_selftest_microsd
inc
usb_selftest_microsd_steps.h	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_microsd/inc/usb_selftest_microsd_steps.h
src
main.c	USB self-loop: HS host reads the microSD card as a read-only MSC
usb_selftest_microsd_console.c	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_microsd/src/usb_selftest_microsd_console.c
usb_selftest_microsd_steps.c	Examples/ek_ra8d2/hw_validated/hil/usb_selftest_microsd/src/usb_selftest_microsd_steps.c
usb_selftest_mlun
inc
usb_selftest_mlun_steps.h	Shared constants + cross-TU prototypes for usb_selftest_mlun
src
main.c	USB self-loop: HS host reads a 2-LUN FS device (multi-LUN MSC)
usb_selftest_mlun_steps.c	Pattern + SCI8 console + host-side enumerate/verify for usb_selftest_mlun
usb_selftest_ospi
inc
usb_selftest_ospi_steps.h	Shared constants + step prototypes for the OSPI USB self-loop app
src
main.c	USB self-loop: the onboard OSPI flash exposed as a USB drive
usb_selftest_ospi_format.c	FAT16 synthesis, OSPI pattern, MSC media callbacks + console helpers
usb_selftest_ospi_host.c	Host-side pass ladder for the OSPI USB self-loop app
usb_selftest_ospi_rw
inc
usb_selftest_ospi_rw_steps.h	Shared tunables + host-side worker seam for the writable-OSPI self-loop
src
main.c	USB self-loop: HS host WRITE(10)s + reads back the onboard OSPI flash
usb_selftest_ospi_rw_device.c	OSPI-flash bring-up + write-window pre-erase for the writable-OSPI self-loop
usb_selftest_ospi_rw_steps.c	Host-side step routines + console formatters for the writable-OSPI self-loop
usb_selftest_soak
inc
usb_selftest_common.h	Shared constants for the usb_selftest_soak translation units
usb_selftest_console.h	Shared SCI8 console + text formatters for the soak self-test
usb_selftest_device.h	Device-side worker entry of the soak self-test
usb_selftest_host.h	Host-side entry point of the soak self-test
src
main.c	USB self-loop endurance soak + throughput benchmark (board-only)
usb_selftest_console.c	SCI8 / J-Link OB CDC console + text formatters (see header)
usb_selftest_device.c	Device side of the soak self-test: USBX MSC over a FAT16 MRAM volume
usb_selftest_host.c	Host side of the soak self-test: enumerate, mount, verify, soak
watchdog_demo
src
main.c	IWDT watchdog + reset-cause demo for EK-RA8D2
wdt_reset_recovery_demo
src
main.c	WWDT reset + recovery HIL demo for EK-RA8D2
wdt_supervisor_demo
src
main.c	WDT supervisor abstraction HIL demo for EK-RA8D2
wdt_window_demo
src
main.c	WWDT (window watchdog) windowed-refresh demo for EK-RA8D2
widget_app
src
main.c	On-silicon HIL: ra8_widget compositor + ra8_app framework (#145/#146)
widget_app_demo
src
main.c	Interactive ra8_widget + ra8_app launcher on the live GLCDC panel
widget_chrome_demo
src
main.c	Concrete ereader chrome widgets composited on the live GLCDC panel (#145 Phase 2)
widget_compose_demo
src
main.c	Nested ra8_widget tree composited on the live GLCDC panel (#145)
widget_kit_demo
src
main.c	Concrete ra8_widget leaf widgets composited on the GLCDC panel (#145)
manual
display_pal_animation
src
main.c	Canonical display PAL example – animated scrolling colour bars
lcd_color_cycle
src
main.c	GLCDC parallel-RGB BG-plane color cycle on the EK-RA8D2 panel
lcd_draw_x
src
main.c	Draw a coloured X to a SRAM-backed GR1 layer on the EK-RA8D2 panel
threadx_usbx_cdc_demo
src
main.c	ThreadX + USBX CDC ACM echo for EK-RA8D2 (USB-FS)
tz_secure_only_usb_fs
inc
trustzone_init.h	No-op TrustZone bring-up entry point for the secure-only USB demo
src
main.c	Secure-world-only ThreadX + USBX CDC ACM echo for EK-RA8D2 (USB-FS)
trustzone_init.c	No-op TrustZone bring-up for the secure-only USB experiment
tz_secure_only_usb_hs
inc
trustzone_init.h	No-op TrustZone bring-up entry point for the secure-only USB demo
tz_secure_only_usb_hs_steps.h	Examples/ek_ra8d2/hw_validated/manual/tz_secure_only_usb_hs/inc/tz_secure_only_usb_hs_steps.h
src
main.c	Secure-world-only ThreadX + USBX CDC ACM echo for EK-RA8D2 (USB-HS)
trustzone_init.c	No-op TrustZone bring-up for the secure-only USB experiment
tz_secure_only_usb_hs_descriptors.c	Examples/ek_ra8d2/hw_validated/manual/tz_secure_only_usb_hs/src/tz_secure_only_usb_hs_descriptors.c
tz_secure_only_usb_hs_steps.c	Examples/ek_ra8d2/hw_validated/manual/tz_secure_only_usb_hs/src/tz_secure_only_usb_hs_steps.c
usb_cdc_echo
src
main.c	ThreadX + USBX CDC ACM echo for EK-RA8D2 (USB-FS)
usb_hid_device
src
main.c	ThreadX + USBX HID boot-mouse demo for EK-RA8D2 (USB-FS)
usb_host_file_ops
inc
usb_host_file_ops_steps.h	Examples/ek_ra8d2/hw_validated/manual/usb_host_file_ops/inc/usb_host_file_ops_steps.h
src
main.c	USB host MSC + ra8_fs file-operations exerciser for EK-RA8D2 (USB-HS)
usb_host_file_ops_steps.c	Examples/ek_ra8d2/hw_validated/manual/usb_host_file_ops/src/usb_host_file_ops_steps.c
usb_msc_device
src
main.c	ThreadX + USBX Mass-Storage RAM-disk for EK-RA8D2 (USB-FS)
usb_msc_mram
inc
usb_msc_mram_steps.h	Shared geometry constants + FAT16 sector-synthesis prototype
src
main.c	ThreadX + USBX Mass-Storage view of the onboard MRAM (USB-FS)
usb_msc_mram_steps.c	FAT16 read-only volume image synthesizer for the MSC MRAM demo
usb_msc_mram_hs
inc
usb_msc_mram_hs_steps.h	Synthesized FAT16 volume helpers for the USB-HS MRAM MSC demo
src
main.c	ThreadX + USBX Mass-Storage view of the onboard MRAM (USB-HS)
usb_msc_mram_hs_steps.c	Synthesized FAT16 volume helpers for the USB-HS MRAM MSC demo
ra8p1_foundation	Foundation apps for the RA8P1 variant (RA8D2 + Ethos-U55 NPU)
blink_ra8p1
src
main.c	RA8P1 build-foundation blink – proves ra8_core + ra8_hal compile and link for the R7KA8P1KFLCAC
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
npu_infer
src
main.c	RA8P1 Ethos-U55 inference runtime smoke – quantize + IRQ + TFLite-micro
vector_table.c	Cortex-M85 vector table + ra8_isr dispatching IRQ trampolines (RA8P1)
npu_smoke
src
main.c	RA8P1 Arm Ethos-U55 NPU foundation smoke – runs a checkable stand-in job
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
npu_vela
src
main.c	RA8P1 Ethos-U55 .npub container loader end-to-end – load a .npub, run it
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
libs	Hand-written first-party libraries – the drivers and substrates the rest of the firmware builds on (HAL peripherals and register maps, the ra8_core substrate, I/O fabric, security and TrustZone, the e-reader stack, storage, networking, and board support)
if
inc
fw_if_fs.h	Architecture-neutral filesystem namespace, stream, and transaction ports
fw_if_fs_backend.h	Backend-author interface for binding concrete filesystem ports
fw_if_fs_types.h	Portable filesystem value types and caller-owned opaque handles
src
fw_if_fs.c	Guarded dispatch for the architecture-neutral filesystem ports
fw_if_fs_dir.c	Guarded incremental-directory dispatch for portable filesystem ports
if_ra8_vfs
inc
fw_if_fs_ra8_vfs.h	Firmware filesystem-port adapter over ra8_io_vfs and ra8_fs
src
fw_if_fs_ra8_vfs.c	fw_if_fs adapter over one bound ra8_io_vfs mount
fw_if_fs_ra8_vfs_contracts_internal.h	File-local contracts for the firmware VFS filesystem adapter
ra8_app
inc
ra8_app.h	Zero-heap app framework: lifecycle + static registry + launcher (#146)
src
ra8_app.c	Implementation of the ra8_app app framework (#146)
ra8_audio
inc
ra8_audio.h	Transport-neutral, caller-owned audio capture facade
ra8_audio_source_memory.h	Fixed in-memory PCM replay backend for ra8_audio
ra8_audio_source_pdm.h	RA8 PDM-IF backend for the transport-neutral audio facade
src
ra8_audio.c	Validation and dispatch for the transport-neutral audio facade
ra8_audio_internal.h	Private audio-source vtable shared by concrete backends
ra8_audio_source_memory.c	Fixed PCM replay backend implementation
ra8_audio_source_pdm.c	RA8 PDM-IF audio-source backend implementation
ra8_batt
inc
ra8_batt.h	Bounded, allocation-free low-battery nag policy
src
ra8_batt.c	Implementation of the low-battery nag policy
ra8_board_ek_ra8d2
inc
ra8_board_ek_ra8d2.h	Board-support layer for the Renesas EK-RA8D2 v1 evaluation kit
ra8_board_ek_ra8d2_connectors.h	Board-identity, LEDs, switches, display, audio, Arduino, Pmod, and MikroBUS portion of the EK-RA8D2 v1 board-support layer
ra8_board_ek_ra8d2_console_stream.h	EK-RA8D2 debug console as an ra8_io_stream byte sink
ra8_board_ek_ra8d2_dualcore.h	Where the EK-RA8D2's Cortex-M85 and Cortex-M33 meet, stated once
ra8_board_ek_ra8d2_pdm.h	EK-RA8D2 onboard SPH0690 PDM microphone policy
ra8_board_ek_ra8d2_peripherals.h	I/O-expander, USB, camera, external-memory, MIPI-DSI, UART console, and Ethernet portion of the EK-RA8D2 v1 board-support layer
ra8_board_ek_ra8d2_touch.h	One-call bring-up of the EK-RA8D2 panel's GoodIX GT911 touch controller
ra8_boot_intrinsics.h	Tiny MMIO / barrier intrinsics shared by the boot files
ra8_panel.h	Active display-panel descriptor for the EK-RA8D2 (ER-TFT070-6)
ra8_panel_timing.h	EK-RA8D2 panel timing as the HAL's ra8_glcdc_timing_t (ER-TFT070-6)
trustzone_init.h	Cortex-M85 TrustZone-M SAU bring-up entry point
src
boot
nmi_exception.c	RA8D2 NMI handler – record the ICU cause instead of a bare trap
secure_exception.c	Secure-side fault handler for NS -> S violations
system_init.c	Cortex-M85 / RA8D2 core bring-up (called from Reset_Handler)
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2
ra8_board_ek_ra8d2.c	Board-support implementation for the EK-RA8D2 v1
ra8_board_ek_ra8d2_audio_usb.c	EK-RA8D2 BSP – DA7212 audio CODEC, USB-HS, and U15 I/O expander
ra8_board_ek_ra8d2_audio_usb_internal.h	Private diagnostic surface for the EK-RA8D2 audio and USB BSP
ra8_board_ek_ra8d2_camera.c	EK-RA8D2 J35 camera clock, routing, reset, and SCCB adapter
ra8_board_ek_ra8d2_comms.c	EK-RA8D2 BSP – MIPI-DSI panel + J-Link VCOM serial bring-up
ra8_board_ek_ra8d2_console_stream.c	EK-RA8D2 BSP – bind the debug console into an ra8_io byte stream
ra8_board_ek_ra8d2_dualcore.c	EK-RA8D2 BSP – the runtime view of the CPU0 <-> CPU1 shared window
ra8_board_ek_ra8d2_ethernet.c	EK-RA8D2 BSP – on-board RGMII Ethernet (GPY111/PEF7071) bring-up
ra8_board_ek_ra8d2_internal.h	Cross-translation-unit seam for the EK-RA8D2 BSP implementation
ra8_board_ek_ra8d2_pdm.c	EK-RA8D2 SPH0690 PDM microphone routing and filter policy
ra8_board_ek_ra8d2_touch.c	EK-RA8D2 BSP – GoodIX GT911 bring-up on the board's own I2C wiring
ra8_board_ra8p1
inc
ra8_board_ra8p1.h	Board-support layer for the Renesas RA8P1 (R7KA8P1KFLCAC) target board
ra8_boot_intrinsics.h	Tiny MMIO / barrier intrinsics shared by the boot files
trustzone_init.h	Cortex-M85 TrustZone-M SAU bring-up entry point
src
boot
nmi_exception.c	RA8D2/RA8P1 NMI handler – record the ICU cause instead of a bare trap
secure_exception.c	Secure-side fault handler for NS -> S violations
system_init.c	Cortex-M85 / RA8D2/RA8P1 core bring-up (called from Reset_Handler)
trustzone_init.c	Cortex-M85 TrustZone-M Security Attribution Unit (SAU) bring-up
vector_table.c	Cortex-M85 vector table and default interrupt handlers for RA8D2/RA8P1
ra8_board_ra8p1.c	Board-support implementation for the RA8P1 foundation board
ra8_box
inc
ra8_box.h	Bounded, allocation-free box-model layout for e-reader chrome
src
ra8_box.c	Implementation of the bounded box-model layout engine
ra8_c6link
inc
ra8_c6link.h	The single integration boundary between this firmware and the ESP32-C6
ra8_c6link_mdl.h	Pull-based media download client over ESP-hosted CustomRpc
ra8_c6link_mdl_msg.h	Media service dispatch contract for the ESP32-C6 integration
ra8_c6link_mdl_transfer.h	Transactional RA8-side coordinator for C6 media byte streams
ra8_c6link_transport.h	The one seam between ra8_c6link and the wire that reaches the C6
ra8_c6link_wifi.h	Wi-Fi station bring-up and association over the C6 link
ra8_mdl_http.h	Wire-neutral media HTTP request and response records
ra8_mdl_protocol.h	Allocation-free constants shared by the RA8 and C6 media endpoints
ra8_mdl_storage_ram.h	Caller-buffer transaction adapter for verified C6 media sources
ra8_media_download.pb-c.h	Generated protobuf-C declarations for the media-download protocol
src
ra8_c6link.c	Link lifecycle, frame routing and the identity round-trip
ra8_c6link_arena.c	The fixed decode arena that lets a protobuf codec run with no heap
ra8_c6link_frame.c	The twelve-byte esp-hosted payload header: build it, believe it or not
ra8_c6link_internal.h	Cross-translation-unit contract inside libs/ra8_c6link
ra8_c6link_mdl.c	Pull-based media download client over generated protobuf codecs
ra8_c6link_mdl_internal.h	Private response-validation seams for the media RPC client
ra8_c6link_mdl_service.c	Portable one-job media service state machine for the ESP32-C6 port
ra8_c6link_mdl_service_internal.h	Private bounded-allocation seam for the portable media service
ra8_c6link_mdl_transfer.c	Bounded transactional coordinator for C6 media byte streams
ra8_c6link_mdl_transfer_internal.h	Private commit-stage seam for the transactional media coordinator
ra8_c6link_pump.c	The transaction loop: handshake, clock, classify, route
ra8_c6link_rpc.c	The control plane: one protobuf message type, correlated by UID
ra8_c6link_tlv.c	The two-tag envelope the co-processor's serial endpoint speaks
ra8_c6link_wifi.c	Radio lifecycle: initialise, choose station mode, start, tear down
ra8_c6link_wifi_sta.c	Station credentials, association, and what the radio reports back
ra8_mdl_storage_ram.c	Caller-buffer transaction adapter for C6 media source bytes
ra8_media_download.pb-c.c	Generated protobuf-C implementation of the media-download protocol
ra8_cache_store
inc
ra8_cache_store.h	Persistent key(CRC32)->blob cache for compiled .rabook containers,built on the vendored, HIL-validated LevelX NOR wear-levelling layer (#201)
src
ra8_cache_store.c	Ra8_cache_store runtime path: put / get / read / evict / pin / checkpoint (#201)
ra8_cache_store_internal.h	Internal on-media format + cross-TU helpers for ra8_cache_store (#201)
ra8_cache_store_mount.c	Ra8_cache_store mount/recovery path + shared on-flash helpers (#201)
ra8_camera
inc
ra8_camera.h	Transport-neutral camera source and image-codec facade
ra8_camera_codec_jpeg_sw.h	RGB888-to-JPEG software codec backend for ra8_camera
ra8_camera_codec_passthrough.h	Zero-copy JPEG passthrough codec backend
ra8_camera_source_ceu.h	RA8 CEU capture backend for the transport-neutral camera facade
ra8_camera_source_memory.h	Fixed in-memory frame source backend for ra8_camera
src
ra8_camera.c	Validation and opaque-vtable dispatch for ra8_camera
ra8_camera_codec_jpeg_sw.c	ra8_jpeg_sw adapter for the generic camera codec facade
ra8_camera_codec_passthrough.c	Zero-copy JPEG passthrough backend implementation
ra8_camera_internal.h	Private source and codec vtables for ra8_camera backends
ra8_camera_source_ceu.c	RA8 CEU implementation of the camera-source backend
ra8_camera_source_memory.c	Fixed-frame memory source backend implementation
ra8_camera_io
inc
ra8_camera_stream.h	Bridge encoded camera frames to ra8_io_stream sinks
src
ra8_camera_stream.c	ra8_camera encoded-frame to ra8_io_stream bridge
ra8_core
inc
ra8_attributes.h	Annotation-attribute framework macros for ra8-firmware
ra8_bit_constants.h	Named Bit Positions and Masks for Register Manipulation
ra8_boot_entry.h	Boot entry points shared between a vector table and its startup code
ra8_check.h	Validation and Error-Checking Macros for ra8-firmware
ra8_crashlog.h	Cross-reset crash-log: persist the last fault + a reset-loop guard
ra8_decomp_limits.h	Unified decompression-limits policy: one bound set for every decoder
ra8_device.h	Compile-time device selection for the RA8 multi-chip build (RA8D2 / RA8P1)
ra8_err.h	Error Code Definitions for ra8-firmware
ra8_error_handler.h	Centralised fatal-error sink
ra8_error_interface.h	Abstract error-reporter interface for DI
ra8_exception.h	Cortex-M85 CPU exception diagnostic helpers
ra8_freestanding.h	Project-owned freestanding C runtime ABI primitives
ra8_gpio_constants.h	PSEL codes for peripheral pin routing on the RA8D2
ra8_infrastructure.h	Bring-up Helpers Called Before Any Driver Init
ra8_log.h	Lightweight Logging Interface for ra8-firmware
ra8_off_target_config.h	Guards for host-compiled unit tests
ra8_pin_interface.h	Abstract pin-driver interface for dependency injection
ra8_pin_validator.h	Runtime Pin-Ownership Validator
ra8_port_constants.h	Typed Port / Pin Constants for the RA8D2 IOPORT Module
ra8_register_guard.h	IRQ-masked read-modify-write helper for shared registers
ra8_sbrk_trap.h	The newlib heap syscall, replaced by a halting trap
ra8_scb.h	Cortex-M85 System Control Block: VTOR relocation + fault-status decode
ra8_secure.h	Secure-comparison primitives for the crypto / secure-boot paths
ra8_stack_budget.h	Greppable stack-frame deviation marker
ra8_systick.h	Cortex-M85 SysTick + DWT cycle-counter timebase primitive
ra8_time.h	SysTick-based tick counter, delay and timestamp helpers
ra8_time_constants.h	Named Time Unit Constants for Delay / Timeout / Tick Math
ra8_time_interface.h	Abstract time-source interface for DI and unit testing
src
ra8_crashlog.c	Cross-reset crash-log implementation (.noinit record + loop guard)
ra8_crashlog_internal.h	Cross-TU surface for ra8_crashlog (host-test white-box access only)
ra8_decomp_limits.c	Unified decompression-limits policy – budget charging and checks
ra8_error_handler.c	Default implementation of the fatal-error sink
ra8_exception.c	Cortex-M85 CPU exception diagnostic implementation
ra8_freestanding_math.c	Project-owned freestanding integer math primitive (abs)
ra8_freestanding_mem.c	Project-owned freestanding memory ABI primitives (memset, memcpy, memmove, memcmp, memchr)
ra8_freestanding_str.c	Project-owned freestanding string ABI primitives (strlen, strcmp, strchr, strstr, etc.)
ra8_infrastructure.c	Application-layer bring-up (called from main() after SystemInit)
ra8_log.c	Default log sink implementation
ra8_pin_validator.c	Runtime pin-ownership bitmap implementation
ra8_rand_stub.c	Deterministic xorshift32 rand()/srand() override
ra8_sbrk_trap.c	Newlib _sbrk() trap stub – enforces NASA Power of 10 Rule 3
ra8_scb.c	Cortex-M85 System Control Block driver implementation
ra8_secure.c	Secure-comparison primitives implementation
ra8_systick.c	Cortex-M85 SysTick + DWT cycle-counter timebase implementation
ra8_time.c	SysTick tick counter implementation
ra8_devcfg
inc
ra8_devcfg.h	Per-device (per-unit) configuration record – schema, storage seam, two-copy resolution
src
ra8_devcfg.c	Per-device configuration record – codec, two-copy resolver, commit
ra8_devcfg_store_extra_mram.c	Production ra8_devcfg_store_t binding over the extra-MRAM window
ra8_dfu
inc
ra8_dfu.h	Controller-agnostic USB-DFU MRAM bootloader core for the RA8D2
ra8_dfu_antirollback.h	DFU anti-rollback (downgrade protection) policy + storage seam
ra8_dfu_device.h	USBX DFU device class wired to real MRAM, bound to either controller
ra8_dfu_host.h	Polled on-board USB-DFU host driver, bound to either controller
ra8_rot.h	Root-of-trust signed-image verifier (SHA-256 + ECDSA-P256, default-deny)
src
ra8_dfu_antirollback.c	DFU anti-rollback (downgrade protection) – policy + storage seam
ra8_dfu_boot.c	Pure boot logic for the USB-DFU MRAM bootloader core
ra8_dfu_device.c	USBX DFU device class wired to the ra8_dfu MRAM program path
ra8_dfu_host.c	Polled on-board USB-DFU host driver (factored from usb_selftest_dfu)
ra8_dfu_internal.h	TU-shared surface for the DFU MRAM program/verify implementation
ra8_dfu_launch.c	Copy-to-run launch: copy an image to the SRAM run base and branch to it
ra8_dfu_program.c	MRAM slot program / verify for the USB-DFU bootloader core
ra8_rot.c	Root-of-trust signed-image verifier – SHA-256 + ECDSA-P256 gate
ra8_display_pal
inc
ra8_display_pal.h	Display Platform Abstraction Layer for the RA8D2
ra8_display_pal_eink.h	E-ink backend (IT8951) for the display PAL
ra8_display_pal_lcd.h	LCD backend (ra8_glcdc) for the display PAL
ra8_display_pal_policy.h	Pluggable page-turn refresh-cadence policy for bistable (e-ink) panels
src
ra8_display_pal.c	Display PAL dispatcher – forwards every public call into the bound backend's vtable
ra8_display_pal_eink.c	E-ink (IT8951) backend for the display PAL, wired to ra8_epaper
ra8_display_pal_internal.h	Internal vtable + handle types for the display PAL
ra8_display_pal_lcd.c	LCD backend (ra8_glcdc) implementation for the display PAL
ra8_display_pal_policy.c	Implementation of the e-ink page-turn refresh-cadence policy
ra8_epd_cal
inc
ra8_epd_cal.h	Per-device e-paper panel calibration (VCOM) – record, storage seam, resolution policy
src
ra8_epd_cal.c	Per-device e-paper VCOM calibration – record codec and resolver
ra8_fonts
literata_latin1.h	Declaration of the Latin-1 Literata font baked into internal flash
ra8_fs
inc
ra8_fs.h	Minimal FAT12/FAT16/FAT32 filesystem adapter (read + write)
ra8_fs_check.h	Read-only on-device volume consistency check (fsck) for ra8_fs
ra8_fs_meta.h	Volume-level metadata: free space, volume label, and per-entry utime
ra8_fs_seams.h	The two dependency-injection seams ra8_fs offers its callers
ra8_fs_types.h	On-disk and handle data types shared by the ra8_fs public API
src
ra8_fs_fat.c	FAT12/FAT16/FAT32 low-level primitives for the ra8_fs adapter
ra8_fs_fat_alloc.c	Where the free space is: next-free hint, FAT sector cache, FSInfo
ra8_fs_fat_alloc_internal.h	Per-mount allocator state: next-free hint, free count, FAT cache
ra8_fs_fat_attr.c	Set / clear a named entry's file attributes (ra8_fs_set_attr())
ra8_fs_fat_bytes_internal.h	The little-endian byte codec and the runtime sector-geometry reads
ra8_fs_fat_check.c	Read-only consistency check (fsck): shared scaffolding + FAT12/16/32
ra8_fs_fat_check_internal.h	Cross-TU state and helpers for the volume consistency check (fsck)
ra8_fs_fat_dir.c	FAT listdir / unlink / rename directory-entry operations
ra8_fs_fat_dirmk.c	FAT subdirectory creation and removal (mkdir / rmdir)
ra8_fs_fat_exfat_check.c	Read-only consistency check (fsck): the exFAT half
ra8_fs_fat_exfat_dir.c	ExFAT directories: path resolution, mkdir, rmdir
ra8_fs_fat_exfat_dir_internal.h	Cross-TU prototypes of the exFAT DIRECTORY seam
ra8_fs_fat_exfat_fmt.c	ExFAT formatter (mkfs) for the ra8_fs adapter
ra8_fs_fat_exfat_label.c	ExFAT volume-label read/write (the exFAT half of ra8_fs_{get,set}_label)
ra8_fs_fat_exfat_mutate.c	ExFAT unlink / rename / listdir mutation helpers
ra8_fs_fat_exfat_openw.c	ExFAT open-for-write: create, truncate, append, and the survey between
ra8_fs_fat_exfat_read.c	ExFAT directory scan and read-path open
ra8_fs_fat_exfat_stream.c	ExFAT streaming write: grow the allocation, keep the entry set true
ra8_fs_fat_exfat_stream_internal.h	The exFAT streaming-write mechanism: entry-set positions and its helpers
ra8_fs_fat_exfat_upcase.c	Canonical Microsoft exFAT up-case table, its writer, and its reader
ra8_fs_fat_exfat_write.c	ExFAT allocation-bitmap primitives and directory entry-set construction
ra8_fs_fat_file.c	FAT open / close path and directory resolution
ra8_fs_fat_fileio.c	FAT read / write / seek / tell / size I/O
ra8_fs_fat_fmt.c	FAT12/16/32 formatter (mkfs) for the ra8_fs adapter
ra8_fs_fat_gpt.c	GPT partition-table parsing for the ra8_fs mount path
ra8_fs_fat_gpt_internal.h	Cross-TU prototypes for the GPT partition locators
ra8_fs_fat_internal.h	Cross-TU shared declarations for the FAT/exFAT ra8_fs adapter
ra8_fs_fat_label.c	Runtime volume-label read/set (ra8_fs_get_label() / ra8_fs_set_label())
ra8_fs_fat_lfn.c	VFAT long-filename (LFN) entry layout: reading a chain, and filling one slot
ra8_fs_fat_lfn_write.c	Writing VFAT long names: reserve the slots, build the chain, take it away again
ra8_fs_fat_lfn_write_internal.h	Cross-TU prototypes of the VFAT long-name WRITE seam
ra8_fs_fat_lock.c	The optional mutual-exclusion seam taken around every public call
ra8_fs_fat_mount.c	FAT/exFAT volume detection, geometry, and mount/unmount
ra8_fs_fat_name.c	FAT 8.3 short-name pack/unpack and directory walking
ra8_fs_fat_protos_a_internal.h	Cross-TU helper prototypes for the FAT/exFAT adapter (part A of 2)
ra8_fs_fat_protos_b_internal.h	Cross-TU helper prototypes for the FAT/exFAT adapter (part B of 2)
ra8_fs_fat_space.c	Free / used / total space query (ra8_fs_free_space()) for FAT and exFAT
ra8_fs_fat_stat.c	Path metadata lookup – what is at this path, without opening it
ra8_fs_fat_time.c	The wall-clock seam, and the packing of a reading into on-disk fields
ra8_fs_fat_time_internal.h	On-disk timestamp field offsets, packing constants, and stampers
ra8_fs_fat_truncate.c	Ra8_fs_truncate: shrink or grow an open file to an arbitrary length
ra8_fs_fat_types_internal.h	Cross-TU on-disk-layout enums and typedefs for the FAT/exFAT adapter
ra8_fs_fat_utime.c	Set a named entry's create / modify / access timestamps (ra8_fs_utime())
ra8_fs_utf.c	The one UTF-8 <-> UTF-16LE seam between ra8_fs's API and its disks
ra8_fs_utf_internal.h	UTF-8 <-> UTF-16LE conversion and case folding for ra8_fs names
ra8_ftl
inc
ra8_ftl.h	Flash Translation Layer – free overwrite over erase-before-write media
src
ra8_ftl.c	Flash Translation Layer implementation – copy-on-write + wear-levelling
ra8_ftl_checkpoint.c	Canonical persistent metadata for the flash translation layer
ra8_gfx
inc
ra8_gfx.h	Software 2D graphics primitives layered on top of a caller-ownedframebuffer (DRW / D/AVE 2D / GLCDC ready)
ra8_gfx_dither.h	Void-and-cluster blue-noise dithering: continuous-tone gray8 -> 16-level panel (#477)
ra8_gfx_font.h	Bitmap font descriptor + bundled font handles for ra8_gfx
src
ra8_gfx_blit_gray4.c	Sub-rectangle nearest-neighbour integer-zoom blit for packed gray4 images
ra8_gfx_dither.c	Void-and-cluster blue-noise dither: gray8 -> 16-level e-ink panel (#477)
ra8_gfx_dither_mask_internal.h	Void-and-cluster blue-noise threshold mask for the e-ink dither (#477)
ra8_gfx_font_8x16.c	8x16 monochrome bitmap font, ASCII 0x20..0x7E
ra8_gfx_internal.h	Module-private declarations shared across the ra8_gfx software rasteriser TUs
ra8_gfx_text.c	Software pixel-pusher implementation of ra8_gfx primitives
ra8_gfx_text_glyph.c	Glyph-cell blitting and text rendering for the ra8_gfx software rasteriser
ra8_hal
inc
ra8_acmphs.h	Full-featured High-Speed Analog Comparator (ACMPHS) driver
ra8_acmphs_regs.h	High-Speed Analog Comparator (ACMPHS) register layout for the RA8D2
ra8_adc.h	Full-featured ADC_B driver
ra8_adc_b_regs.h	ADC16H (16-bit SAR) register layout for the Renesas RA8D2 / RA8P1
ra8_agt.h	Asynchronous General-Purpose Timer (AGT) driver header
ra8_agt_regs.h	Asynchronous General-Purpose Timer (AGT) register layout for RA8D2
ra8_bkup.h	Battery Backup Function (VBATT) HAL driver – public API
ra8_bkup_regs.h	Battery Backup Function (VBATT / BAT*) register layout for the RA8D2
ra8_ble.h	BLE HCI transport seam (host-side)
ra8_bscan.h	JTAG / IEEE-1149.1 Boundary Scan TAP HAL surface
ra8_bscan_regs.h	JTAG / IEEE-1149.1 Boundary Scan TAP constants for the RA8D2
ra8_cac.h	Clock Accuracy Check driver
ra8_cac_regs.h	Clock Accuracy Check (CAC) register layout for the Renesas RA8D2
ra8_cache.h	Cortex-M85 L1 cache maintenance, enable/disable, and I-cache invalidate
ra8_canfd.h	CANFD Lite driver (bit-timing, TX, RX, error state)
ra8_canfd_regs.h	CANFD controller register layout for the Renesas RA8D2
ra8_ceu.h	Capture Engine Unit (CEU) camera-capture driver
ra8_ceu_api.h	Capture Engine Unit (CEU) driver function prototypes
ra8_ceu_regs.h	Capture Engine Unit (CEU) register layout for the RA8D2
ra8_ceu_types.h	Capture Engine Unit (CEU) configuration descriptors and types
ra8_cgc.h	High-level Clock Generation Circuit driver
ra8_cgc_regs.h	Clock Generation Circuit (CGC) field layouts for the Renesas RA8D2
ra8_cnecc.h	CANFD ECC (CNECC) HAL driver public API
ra8_cnecc_regs.h	CANFD ECC (CNECC) register layout for the RA8D2
ra8_crc.h	CRC hardware calculator driver header
ra8_crc_regs.h	CRC calculator register layout for the Renesas RA8D2
ra8_dac_b.h	Full-featured 12-bit DAC_B driver
ra8_dac_b_regs.h	12-bit DAC_B register layout for the Renesas RA8D2
ra8_dma.h	Generic DMA transfer substrate (DMAC engine)
ra8_dmac.h	8-channel DMA controller (DMAC0) driver
ra8_dmac_regs.h	DMAC (Direct Memory Access Controller) register layout for the RA8D2
ra8_doc.h	Data Operation Circuit (DOC) driver header
ra8_doc_regs.h	Data Operation Circuit (DOC) register layout for the Renesas RA8D2
ra8_dotf.h	Decryption On The Fly (DOTF) HAL driver public API
ra8_dotf_regs.h	Decryption On The Fly (DOTF) register layout for the Renesas RA8D2
ra8_drw.h	2D Drawing Engine (DRW / D/AVE 2D) HAL driver – public API
ra8_drw_dlist.h	2D Drawing Engine (DRW / D/AVE 2D) display-list builder – public API
ra8_drw_regs.h	2D Drawing Engine (DRW / D/AVE 2D) register layout for the RA8D2
ra8_dtc.h	Data Transfer Controller (DTC) driver
ra8_dtc_regs.h	DTC (Data Transfer Controller) register layout for the RA8D2
ra8_dual_core.h	Dual-core (CPU0 / CPU1) lifecycle helper – public API
ra8_dual_core_job.h	Cross-core compile-job dispatch seam + status contract (#149)
ra8_elc.h	Event Link Controller driver
ra8_elc_regs.h	Event Link Controller (ELC) register layout for the Renesas RA8D2
ra8_epaper.h	IT8951 e-paper controller SPI driver – public API
ra8_eth.h	Ethernet Switch Module (ESWM) + frame TX/RX driver
ra8_eth_coma.h	Ethernet Common Agent (COMA) driver
ra8_eth_gptp.h	Ethernet Generic PTP Timer (GPTP) driver – HUM Ch 35
ra8_eth_gwca.h	Ethernet CPU Agent (GWCA) driver
ra8_eth_mfwd.h	Ethernet Message Forwarding Engine (MFWD) driver
ra8_etha.h	Per-port Ethernet Agent (ETHA) driver – HUM Ch 32 (p 1627-1702)
ra8_etha_ops.h	Per-port ETHA lifecycle / IRQ / mode / queue API – HUM Ch 32 (p 1627-1702)
ra8_etha_regs.h	Ethernet Agent (ETHA) per-port register layout for the RA8D2
ra8_etha_shaper.h	Per-port ETHA VLAN / shaper / stats / ring / PHY API – HUM Ch 32 (p 1627-1702)
ra8_etha_types.h	Per-port Ethernet Agent (ETHA) data types – HUM Ch 32 (p 1627-1702)
ra8_ether_phy.h	Generic Ethernet PHY abstraction (MDIO Clause-22 + auto-neg)
ra8_ether_regs.h	Ethernet controller base addresses for the Renesas RA8D2
ra8_ethosu_kernel.h	First-party TFLite-micro Ethos-U custom-op registration probe (RA8P1-only)
ra8_ethosu_shim.h	Arm ethos-u-core-driver C API shim over the ra8_npu driver (RA8P1-only)
ra8_flash.h	Code MRAM + Extra MRAM + Option-Setting driver – DANGEROUS, brick-capable
ra8_flash_core.h	Code MRAM + Extra MRAM + Option-Setting driver – core API
ra8_flash_fsp.h	Code MRAM driver – FSP r_mram parity surface
ra8_flash_regs.h	Flash / MRAM controller register layout for the Renesas RA8D2
ra8_flash_types.h	Code MRAM driver – shared types (enums, structs, callback typedef)
ra8_fpu_probe.h	Double-precision FPU probe – codegen witness for the RA8P1 DP-FPU
ra8_glcdc.h	Graphics LCD Controller driver (two-layer with alpha blending)
ra8_glcdc_regs.h	Graphics LCD Controller (GLCDC) register layout for the RA8D2
ra8_gpt.h	Full-featured General PWM Timer (GPT) driver
ra8_gpt_capture.h	GPT input-capture + external event / pulse-count extension
ra8_gpt_regs.h	General PWM Timer (GPT) register layout for the Renesas RA8D2
ra8_hw_err.h	Bounded wait-flag primitives for RA8D2 HAL drivers
ra8_hw_intrinsics.h	Shared CPU-intrinsic seam for the HAL drivers (host/target split)
ra8_i2c.h	I2C Bus Interface (IIC) controller driver – polling mode
ra8_i2c_bus_ops.h	Injected I2C-bus seam consumed by Ring-3 I2C device drivers
ra8_i2c_regs.h	I2C Bus Interface (IIC) register layout for the Renesas RA8D2
ra8_i3c.h	I3C Bus Interface driver – unified native-I3C + I2C-compat modes
ra8_i3c_i2c.h	IIC_B (I3C unified IP, I2C-only mode) controller driver
ra8_i3c_i2c_peripheral.h	IIC_B (I3C in I2C-only mode) peripheral driver – mirrors FSP r_iic_b_peripheral
ra8_i3c_i2c_regs.h	IIC_B (I3C-based I2C) register layout for the Renesas RA8D2
ra8_i3c_regs.h	I3C Bus Interface register layout for the Renesas RA8D2
ra8_icu.h	Interrupt Control Unit driver (IRQ pins, NMI)
ra8_icu_regs.h	Interrupt Control Unit (ICU) register layout for the Renesas RA8D2
ra8_ipc.h	Inter-Processor Communication (IPC) HAL driver – public API
ra8_ipc_regs.h	Inter-Processor Communication (IPC) register layout for the RA8D2
ra8_ipc_sync.h	Inter-Processor Communication (IPC) HAL driver – sync API
ra8_ipc_types.h	Inter-Processor Communication (IPC) HAL driver – public types
ra8_ipc_xfer.h	Inter-Processor Communication (IPC) HAL driver – transfer API
ra8_isr.h	NVIC + ICU IELSR allocator
ra8_iwdt.h	Independent Watchdog driver header
ra8_iwdt_regs.h	Independent Watchdog Timer (IWDT) register layout for the RA8D2
ra8_layer3_switch.h	Layer-3 Ethernet switch driver – placeholder
ra8_lpm.h	Low Power Mode (LPM) HAL driver – public API
ra8_lpm_regs.h	Low Power Mode (LPM) register layout for the Renesas RA8D2
ra8_lpm_safe_boot.h	Self-healing LPM register reset for very early boot
ra8_lvd.h	Programmable Voltage Detection (PVD / LVD) HAL driver
ra8_lvd_api.h	Programmable Voltage Detection (PVD / LVD) HAL function prototypes
ra8_lvd_regs.h	Programmable Voltage Detection (PVD / LVD) register layout for the RA8D2
ra8_lvd_types.h	Programmable Voltage Detection (PVD / LVD) HAL types
ra8_mipi_csi.h	MIPI CSI-2 receiver HAL driver – public API
ra8_mipi_csi_ctrl.h	MIPI CSI-2 receiver HAL driver – control, status, and IRQ-enable API
ra8_mipi_csi_isr.h	MIPI CSI-2 receiver HAL driver – FIFO, ISR dispatch, framing, power
ra8_mipi_csi_regs.h	MIPI CSI-2 Receiver register layout for the RA8D2 (HUM Ch 66)
ra8_mipi_csi_types.h	MIPI CSI-2 receiver HAL driver – public types
ra8_mipi_dsi.h	MIPI DSI-2 host driver – public API (full HUM Ch 65 surface)
ra8_mipi_dsi_api.h	MIPI DSI-2 host driver – public function surface (full HUM Ch 65)
ra8_mipi_dsi_regs.h	MIPI DSI Host (DSI-2) register layout for the RA8D2
ra8_mipi_dsi_types.h	MIPI DSI-2 host driver – public types (enums / structs / typedefs)
ra8_mipi_phy.h	MIPI D-PHY driver – physical layer shared by DSI and CSI
ra8_mipi_phy_api.h	MIPI D-PHY driver – public function prototypes
ra8_mipi_phy_ops.h	MIPI D-PHY driver – runtime operations prototypes
ra8_mipi_phy_regs.h	MIPI D-PHY register layout for the RA8D2
ra8_mipi_phy_types.h	MIPI D-PHY driver – shared enums, structs, and callback typedef
ra8_mpc.h	Multi-function Pin Controller (MPC) facade
ra8_mpu_regs.h	Memory Protection Unit register layout for the Renesas RA8D2
ra8_mrms_regs.h	MRAM Memory System (MRMS) wait-state register layout for the RA8D2
ra8_mstp.h	Ref-counted Module Stop Control wrapper for the RA8D2
ra8_mstp_regs.h	Module Stop Control (MSTP) register layout for the Renesas RA8D2
ra8_npu.h	Arm Ethos-U55 NPU command/queue driver foundation (RA8P1-only)
ra8_npu_blob.h	.npub linkable-blob container for a Vela-compiled Ethos-U55 model
ra8_npu_fake_cmd.h	Ra8_emulator / host-test command-stream convention for the Ethos-U55 model
ra8_npu_loader.h	On-target loader: .npub Vela blob -> ra8_npu_job_t (RA8P1-only)
ra8_npu_quant.h	Affine (scale + zero-point) tensor quantization for the NPU runtime
ra8_npu_regs.h	Arm Ethos-U55 NPU register window on the Renesas RA8P1 (RA8P1-only)
ra8_ofs.h	Option Function Select (OFS) boot-map inventory for the active RA8 device
ra8_ospi_regs.h	XSPI / Octo-SPI controller register layout for the Renesas RA8D2
ra8_pcntr.h	CPU1-safe combined direction+level PORT primitive over PCNTR1/PCNTR2
ra8_pdg.h	PWM Delay Generation Circuit (PDG) driver public API
ra8_pdg_regs.h	PWM Delay Generation Circuit (PDG) register layout for the Renesas RA8D2
ra8_pdm.h	Pulse Density Modulation Interface (PDM-IF) capture driver
ra8_pdm_regs.h	Pulse Density Modulation Interface (PDM-IF) register layout
ra8_pfs_regs.h	Pin Function Select (PFS) register layout for the Renesas RA8D2
ra8_poeg.h	Port Output Enable for GPT (POEG) driver
ra8_poeg_regs.h	Port Output Enable for GPT (POEG) register layout for the RA8D2
ra8_port_regs.h	IOPORT (GPIO) register layout for the Renesas RA8D2
ra8_port_utils.h	High-level GPIO helpers on top of the PORT + PFS register layer
ra8_pwr.h	Low Power Mode + clock-domain wrapper
ra8_register_protection.h	Scoped PRCR unlock helper
ra8_regs.h	Top-level peripheral register header for the Renesas RA8D2
ra8_reset.h	Reset cause introspection + software reset trigger
ra8_reset_regs.h	Reset block register layout (offsets, bit masks, accessors)for the Renesas RA8D2
ra8_rmac.h	Per-port Ethernet MAC (RMAC) driver – HUM Ch 33
ra8_rmac_phy.h	Reduced-MAC (RMAC) PHY driver – off-chip PHY for the GMAC-FPI
ra8_rmac_regs.h	Ethernet MAC (RMAC) per-port register layout for the RA8D2
ra8_rsip.h	Renesas Secure IP (RSIP-E50D) HAL driver – public API
ra8_rsip_core.h	Renesas Secure IP (RSIP-E50D) HAL – core lifecycle / TRNG / hash API
ra8_rsip_key_injection.h	RSIP key-injection HAL – wrap raw key material into theRSIP installed-key blob format
ra8_rsip_keys.h	Renesas Secure IP (RSIP-E50D) HAL – key install + cipher / hash API
ra8_rsip_mgmt.h	Renesas Secure IP (RSIP-E50D) HAL – vault / KDF / lifecycle / tamper
ra8_rsip_protected.h	RSIP protected-key HAL – crypto operations driven by wrappedkey blobs (the RSIP engine never sees the raw key)
ra8_rsip_regs.h	Renesas Secure IP (RSIP-E50D) register layout for the RA8D2
ra8_rsip_regs_fields.h	RSIP-E50D register field/value enums and the reg32 accessor
ra8_rsip_regs_offsets.h	RSIP-E50D register base address, byte offsets, and layout asserts
ra8_rtc.h	Real-Time Clock driver (BCD calendar mode)
ra8_rtc_regs.h	Real-Time Clock (RTC) register layout for the Renesas RA8D2
ra8_sci.h	Full-featured Serial Communications Interface driver
ra8_sci_lin.h	LIN (Local Interconnect Network) commander + responder driver on SCI_B
ra8_sci_regs.h	SCI_B (Serial Communication Interface, B variant) register layoutfor the RA8D2
ra8_sci_spi.h	SCI Simple-SPI controller-mode driver (polling, full-duplex)
ra8_sdcard.h	SD card driver layered on top of the RA8D2 SDHI peripheral
ra8_sdhi.h	SD/MMC Host Interface (SDHI) driver scaffold
ra8_sdhi_regs.h	SDHI (SD/MMC host interface) register layout for the Renesas RA8D2
ra8_sdramc.h	External SDRAM controller driver (framework)
ra8_sdramc_regs.h	External SDRAM controller register layout for the Renesas RA8D2
ra8_smbus.h	SMBus 3.2 protocol layer over an injected I2C bus seam
ra8_spi.h	SPI_B controller driver (RA8D2 Type-B SPI peripheral)
ra8_spi_bus_ops.h	Injected SPI-bus seam consumed by Ring-3 SPI device drivers
ra8_spi_regs.h	SPI_B register layout for the Renesas RA8D2
ra8_sram.h	SRAM (with ECC) HAL driver public API
ra8_sram_regs.h	SRAM (with ECC) control / status / security register layout
ra8_ssie.h	Serial Sound Interface Enhanced (SSIE / I2S audio) driver
ra8_ssie_regs.h	Serial Sound Interface Enhanced (SSIE) register layout for the RA8D2
ra8_system_regs.h	System Control (SYSC) register layout for the Renesas RA8D2
ra8_touch.h	Multi-touch input driver – GoodIX GT911 backend
ra8_touch_gt911_regs.h	Register layout for the GoodIX GT911 capacitive touch controller
ra8_tsn.h	On-chip Temperature Sensor (TSN) driver
ra8_tsn_regs.h	Temperature Sensor (TSN) register layout for the Renesas RA8D2
ra8_ulpt.h	Ultra-Low-Power Timer (ULPT) driver header
ra8_ulpt_regs.h	Ultra-Low-Power Timer (ULPT) register layout for the Renesas RA8D2
ra8_usb.h	Native USB controller driver public API (device + host modes)
ra8_usb_cdc.h	Native USB CDC ACM (Communications Device Class - AbstractControl Model) class layer
ra8_usb_composite.h	Native USB device-side composite-class layer
ra8_usb_device.h	Native USB controller driver public API – shared types + device mode
ra8_usb_haud.h	Native USB host-side Audio class layer (USB Audio 1.0)
ra8_usb_hcdc.h	Native USB host-side CDC ACM (Communications Device Class -Abstract Control Model) class layer
ra8_usb_hcdc_ecm.h	Native USB host-side CDC ECM (Communications Device Class -Ethernet Networking Control Model) class layer
ra8_usb_hhid.h	Native USB host-side HID (Human Interface Device) class layer
ra8_usb_hhub.h	Native USB host-side HUB class layer
ra8_usb_hmsc.h	Native USB host-side MSC (Mass Storage Class) class layer
ra8_usb_host.h	Native USB controller driver public API – host-mode bring-up
ra8_usb_paud.h	Native USB device-side Audio (UAC) class layer
ra8_usb_phid.h	Native USB device-side HID (Human Interface Device) class layer
ra8_usb_pmsc.h	Native USB device-side MSC (Mass Storage Class) class layer
ra8_usb_pprn.h	Native USB device-side Printer class layer
ra8_usb_pvnd.h	Native USB device-side Vendor-defined class layer
ra8_usb_regs.h	USB Full-Speed + High-Speed controller layout for the Renesas RA8D2
ra8_vin.h	Video Input Module (VIN) driver – public API
ra8_vin_api.h	Video Input Module (VIN) driver function prototypes
ra8_vin_regs.h	Video Input Module (VIN) register layout for the RA8D2
ra8_vin_types.h	Video Input Module (VIN) configuration descriptors and types
ra8_vreg.h	Internal Voltage Regulator (DCDC / LDO) driver – full HUM Ch 68 surface
ra8_vreg_regs.h	Internal Voltage Regulator (VREG / DCDC / LDO) register layout for RA8D2
ra8_wdt.h	Software Watchdog Timer (WDT) driver header
ra8_wdt_regs.h	Watchdog Timer (WDT) register layout for the RA8D2
ra8_xspi.h	XSPI / Octo-SPI driver (flash read/program/erase + ID/status)
src
adc.c	ADC16H (16-bit SAR) converter driver implementation
adc_internal.h	Cross-TU constants shared by the ADC_B driver split
adc_selfdiag.c	ADC_B self-diagnosis + internal extended-analog channel reads
gpio.c	High-level GPIO driver on top of PORT + PFS
ra8_acmphs.c	High-Speed Analog Comparator driver implementation
ra8_agt.c	Low Power Asynchronous General Purpose Timer driver
ra8_bkup.c	Battery Backup Function (VBATT) driver – core lifecycle and storage
ra8_bkup_internal.h	Cross-TU shared surface for the ra8_bkup driver split
ra8_bkup_security.c	Battery Backup Function (VBATT) driver – TrustZone partitioning
ra8_bkup_tamper.c	Battery Backup Function (VBATT) driver – tamper detection
ra8_ble.c	HCI transport seam (host-side) – in-memory loopback backend
ra8_ble_internal.h	Test-access surface for the BLE loopback transport
ra8_bscan.c	JTAG / IEEE-1149.1 Boundary Scan TAP HAL implementation
ra8_cac.c	Clock Frequency Accuracy Measurement Circuit driver
ra8_cache.c	Cortex-M85 L1 cache maintenance, enable/disable, and I-cache invalidate
ra8_canfd.c	CAN with Flexible Data-rate driver implementation
ra8_canfd_afl.c	CANFD Acceptance-Filter-List (AFL) configuration (split from ra8_canfd.c)
ra8_canfd_frame.c	CANFD frame transmit / receive data path (split from ra8_canfd.c)
ra8_canfd_tdc.c	CANFD Transmitter Delay Compensation (TDC) configuration
ra8_canfd_timing.c	CANFD bit-timing solver + bitrate / BRS configuration (split from ra8_canfd.c)
ra8_ceu.c	Capture Engine Unit (CEU) driver implementation
ra8_ceu_init_regs.c	Capture Engine Unit (CEU) init-time register programming
ra8_ceu_internal.h	Cross-TU surface for the ra8_ceu driver split
ra8_cgc.c	Clock Generation Circuit driver – RA8D2 PLL bring-up
ra8_cgc_eswclk.c	Clock Generation Circuit driver – Ethernet-switch (ESWCLK) path
ra8_cgc_internal.h	Cross-TU sharing for the split Clock Generation Circuit driver
ra8_cgc_usb.c	Clock Generation Circuit driver – PLL2 + USB-FS / USB-HS clocks
ra8_cnecc.c	CANFD ECC (CNECC) driver implementation
ra8_crc.c	Cyclic Redundancy Check driver implementation
ra8_dac_b.c	12-Bit D/A Converter (DAC_B) driver implementation
ra8_dma.c	Generic DMA transfer substrate implementation
ra8_dmac.c	DMAC0 channel driver implementation
ra8_dmac_internal.h	Test-access surface for ra8_dmac internal helpers (MC/DC)
ra8_doc.c	Data Operation Circuit (DOC) driver implementation
ra8_dotf.c	Decryption On The Fly (DOTF) HAL driver implementation
ra8_dotf_power.c	Decryption On The Fly (DOTF) high-level open/close + power control
ra8_drw.c	2D Drawing Engine (DRW / D/AVE 2D) HAL driver implementation
ra8_drw_draw.c	2D Drawing Engine (DRW / D/AVE 2D) geometry primitives
ra8_drw_internal.h	Test-access surface for ra8_drw internal helpers (MC/DC)
ra8_dtc.c	Data Transfer Controller driver implementation
ra8_dual_core.c	CPU1 (Cortex-M33) lifecycle helper – implementation
ra8_elc.c	Event Link Controller driver implementation
ra8_epaper.c	IT8951 e-paper SPI driver implementation
ra8_epaper_devinfo.c	IT8951 GET_DEV_INFO response decoder
ra8_epaper_geom.c	IT8951 geometry, pixel-format, waveform-map and config validation
ra8_eth.c	Ethernet Switch Module (ESWM) + frame TX/RX driver implementation
ra8_eth_coma.c	Ethernet Common Agent driver implementation
ra8_eth_gptp.c	Ethernet Generic PTP Timer driver implementation
ra8_eth_gwca.c	Ethernet CPU Agent driver implementation
ra8_eth_gwca_default.c	Ethernet CPU Agent driver – one-call default-state API
ra8_eth_gwca_internal.h	Cross-TU shared surface for the ra8_eth_gwca driver split
ra8_eth_gwca_queue.c	Ethernet CPU Agent driver – per-queue descriptor + ring primitives
ra8_eth_internal.h	Cross-TU shared surface for the ra8_eth driver split
ra8_eth_link.c	Ethernet PHY link-status poller + MAC speed/duplex resync
ra8_eth_media.c	ESWM media mux: select a port's MII/RGMII mode and release its block
ra8_eth_mfwd.c	Ethernet Message Forwarding Engine driver implementation
ra8_etha.c	Per-port Ethernet Agent (ETHA) driver implementation – HUM Ch 32
ra8_etha_internal.h	Cross-TU shared surface for the ra8_etha driver split
ra8_etha_stats.c	ETHA per-port statistics, descriptor-ring sizing, and PHY open – HUM Ch 32
ra8_etha_tas.c	ETHA time-aware shaper (TAS / 802.1Qbv) flows – HUM Ch 32.4.2
ra8_ether_phy.c	Generic Ethernet PHY abstraction (MDIO Clause-22)
ra8_ethosu_shim.c	Arm ethos-u-core-driver C API shim over the ra8_npu driver (RA8P1-only)
ra8_flash.c	Code-MRAM + Extra-MRAM + Option-Setting driver implementation – DANGEROUS
ra8_flash_config.c	MRAM configuration-set, ARC counters + extra-MRAM programming – DANGEROUS
ra8_flash_internal.h	Test-access surface for ra8_flash internal helpers (MC/DC)
ra8_flash_irq.c	MRAM IRQ enables + dispatcher and FSP r_mram parity surface – DANGEROUS
ra8_fpu_probe.c	Double-precision FPU probe implementation (see ra8_fpu_probe.h)
ra8_glcdc.c	Graphics LCD Controller driver implementation
ra8_glcdc_gamma.c	GLCDC piecewise-linear gamma correction driver
ra8_glcdc_layer.c	Graphics LCD Controller driver – layer composition and CLUT
ra8_gpt.c	General PWM Timer (GPT) driver implementation
ra8_hal_internal.h	Cross-translation-unit private helpers shared inside ra8_hal
ra8_i2c.c	I2C Bus Interface (IIC) controller driver implementation
ra8_i2c_config.c	I2C Bus Interface (IIC) bring-up, clock and error-status plane
ra8_i2c_internal.h	Test-access surface for ra8_i2c internal helpers (MC/DC)
ra8_i2c_peripheral.c	I2C Bus Interface (IIC) target (peripheral) role – polling mode
ra8_i3c.c	I3C Bus Interface driver implementation
ra8_i3c_i2c.c	IIC_B (I3C unified IP) controller driver implementation
ra8_i3c_i2c_control.c	IIC_B (I3C unified IP) control-plane + diagnostics implementation
ra8_i3c_i2c_internal.h	Test-access surface for ra8_i3c_i2c internal helpers (MC/DC)
ra8_i3c_i2c_peripheral.c	IIC_B peripheral driver implementation
ra8_i3c_internal.h	Test-access surface for ra8_i3c internal helpers (MC/DC)
ra8_icu.c	Interrupt Control Unit driver implementation
ra8_ipc.c	Inter-Processor Communication (IPC) HAL driver implementation
ra8_ipc_sem_ring.c	IPC HAL – hardware semaphores, NMI surface, and ring buffers
ra8_isr.c	NVIC + ICU IELSR allocator implementation
ra8_iwdt.c	Independent Watchdog Timer driver implementation
ra8_layer3_switch.c	Layer-3 Ethernet switch driver – placeholder implementation
ra8_lpm.c	Low Power Mode (LPM) HAL driver implementation
ra8_lpm_graphics.c	Graphics power-domain bring-up for the LPM HAL driver
ra8_lvd.c	Programmable Voltage Detection (PVD / LVD) driver implementation
ra8_lvd_events.c	PVD / LVD security attribution, n-channel lock, ELC / standby helpers, filter-timing math, and callback registration / ISR demux
ra8_lvd_internal.h	Test-access surface for ra8_lvd internal helpers (MC/DC)
ra8_lvd_runtime.c	PVD / LVD runtime control: IRQ / reset / CMPE toggles, filter, hysteresis, negate, and status read / clear
ra8_mipi_csi.c	MIPI CSI-2 receiver HAL driver implementation
ra8_mipi_csi_irq.c	MIPI CSI-2 receiver HAL driver – interrupt path and per-VC framing
ra8_mipi_dsi.c	MIPI DSI-2 host driver – full HUM Ch 65 coverage
ra8_mipi_dsi_cmd.c	MIPI DSI-2 sequence-channel command path (HUM Ch 65)
ra8_mipi_dsi_dispatch.c	MIPI DSI-2 host driver – video mode, status, IRQ dispatch, and convenience surfaces
ra8_mipi_dsi_internal.h	Module-private link seam shared between the MIPI DSI-2 hostdriver translation units
ra8_mipi_phy.c	MIPI D-PHY driver implementation
ra8_mipi_phy_internal.h	Module-private link seam shared between the MIPI D-PHY drivertranslation units
ra8_mipi_phy_timing.c	MIPI D-PHY driver – HUM timing tables and table-driven setup
ra8_mpc.c	Multi-function Pin Controller facade implementation
ra8_mstp.c	Ref-counted Module Stop Control implementation
ra8_mstp_internal.h	Cross-TU surface for the ra8_mstp module-stop driver (test access)
ra8_npu.c	Arm Ethos-U55 NPU command/queue driver foundation (RA8P1-only)
ra8_npu_loader.c	On-target .npub Vela blob loader over ra8_npu (RA8P1-only)
ra8_npu_quant.c	Affine (scale + zero-point) tensor quantization for the NPU runtime
ra8_ofs.c	RA boot-ROM Option Function Select register defaults
ra8_pdg.c	PWM Delay Generation Circuit (PDG) driver implementation
ra8_pdm.c	Pulse Density Modulation Interface (PDM-IF) capture driver
ra8_poeg.c	Port Output Enable for GPT (POEG) driver implementation
ra8_pwr.c	Low Power Mode + clock-domain wrapper implementation
ra8_reset.c	Reset cause introspection + software-reset trigger
ra8_rmac.c	Per-port Ethernet MAC (RMAC) driver implementation – HUM Ch 33
ra8_rmac_mgmt.c	RMAC status read/clear + statistics snapshot + Clause-22 PHY – HUM Ch 33
ra8_rmac_phy.c	RMAC off-chip PHY driver
ra8_rmac_phy_internal.h	Test-access surface for ra8_rmac_phy internal helpers (MC/DC)
ra8_rsip.c	Renesas Secure IP (RSIP-E50D) HAL driver implementation
ra8_rsip_asym.c	RSIP-E50D hash / HMAC + key-management (fail-closed)
ra8_rsip_asym_internal.h	Cross-TU surface shared by the RSIP asymmetric + RSA split
ra8_rsip_cipher.c	RSIP-E50D symmetric cipher + wrapped-key install path
ra8_rsip_devsec.c	RSIP-E50D device-security path (lifecycle / debug / tamper / DPA), fail-closed
ra8_rsip_ecc.c	RSIP-E50D elliptic-curve asymmetric path (ECDSA / ECDH / Ed25519)
ra8_rsip_internal.h	Cross-TU surface for the ra8_rsip driver split
ra8_rsip_key_injection.c	RSIP key-injection HAL implementation
ra8_rsip_protected.c	RSIP protected-key HAL implementation
ra8_rsip_rsa.c	RSIP-E50D RSA sign / verify / encrypt / decrypt path
ra8_rtc.c	BCD-calendar Realtime Clock driver implementation
ra8_sci.c	Full-featured SCI_B driver implementation
ra8_sci_dma_isr.c	SCI_B DMA TX/RX descriptors + TXI/RXI/ERI ISR dispatch
ra8_sci_internal.h	Src/-local shared surface for the ra8_sci driver TUs
ra8_sci_lin.c	LIN commander + responder driver implementation on SCI_B
ra8_sci_spi.c	SCI Simple-SPI controller-mode driver (polling, full-duplex)
ra8_sdcard.c	SD card driver implementation – SD Physical Layer state machine
ra8_sdhi.c	SD/MMC Host Interface driver implementation
ra8_sdramc.c	SDRAM controller driver implementation
ra8_smbus.c	SMBus 3.2 protocol layer over an injected I2C bus seam – implementation
ra8_spi_b.c	SPI_B controller driver (polling + IRQ dispatch + DMA pipes)
ra8_spi_b_dma.c	SPI_B DMA TX/RX pipes with Cortex-M85 cache coherency
ra8_spi_b_target.c	SPI_B peripheral (target) mode driver – polling single-byte xfer
ra8_sram.c	SRAM (with ECC) HAL driver implementation
ra8_sram_internal.h	Src/-local shared surface for the SRAM HAL driver split
ra8_sram_security.c	SRAM HAL: TrustZone security attribution + ECC error callbacks
ra8_ssie.c	Serial Sound Interface Enhanced (SSIE / I2S) driver implementation
ra8_ssie_stream.c	SSIE streaming data path: DMAC channel attach/detach + polled ISO bulk send/receive
ra8_touch.c	Multi-touch input driver – GoodIX GT911 backend (implementation)
ra8_tsn.c	On-chip Temperature Sensor (TSN) driver implementation
ra8_ulpt.c	Ultra-Low-Power Timer driver implementation
ra8_usb.c	Native USB controller driver implementation (device + host)
ra8_usb_cdc.c	Native USB CDC ACM class layer implementation
ra8_usb_cdc_internal.h	Test-access surface for the USB CDC line-coding decoder
ra8_usb_composite.c	Native USB device-side composite-class layer implementation
ra8_usb_device.c	USB device-mode lifecycle, status, and endpoint configuration
ra8_usb_haud.c	Native USB host-side Audio class layer implementation
ra8_usb_hcdc.c	Native USB host-side CDC ACM class layer implementation
ra8_usb_hcdc_ecm.c	Native USB host-side CDC-ECM (Ethernet over USB) class layer implementation
ra8_usb_hhid.c	Native USB host-side HID class layer implementation
ra8_usb_hhub.c	Native USB host-side HUB class layer implementation
ra8_usb_hmsc.c	Native USB host-side MSC (Mass Storage Class) class layer implementation
ra8_usb_hmsc_enum.c	Native USB host-side MSC (Mass Storage Class) polled enumeration ladder
ra8_usb_hmsc_internal.h	Cross-TU surface shared between the host-MSC class layer(ra8_usb_hmsc.c) and the polled enumeration ladder (ra8_usb_hmsc_enum.c)
ra8_usb_host_bulk.c	USB host-mode bulk-transfer engine (polled, synchronous)
ra8_usb_host_ctrl.c	USB host-mode control-transfer engine (polled, synchronous)
ra8_usb_internal.h	Cross-TU surface for the ra8_usb driver split
ra8_usb_irq.c	USB IRQ dispatch / event callbacks / power + host-mode bring-up
ra8_usb_paud.c	Native USB device-side Audio (UAC1) class layer implementation
ra8_usb_phid.c	Native USB device-side HID class layer implementation
ra8_usb_phy.c	USBHS embedded-PHY bring-up + shared FS/HS module bring-up
ra8_usb_pmsc.c	Native USB device-side MSC (Mass Storage Class) class layer implementation
ra8_usb_pmsc_internal.h	Cross-TU surface shared between the device-MSC BOT statemachine (ra8_usb_pmsc.c) and the SCSI command handlers (ra8_usb_pmsc_scsi.c)
ra8_usb_pmsc_scsi.c	Native USB device-side MSC (Mass Storage Class) SCSI command handlers
ra8_usb_pprn.c	Native USB device-side Printer class layer implementation
ra8_usb_pvnd.c	Native USB device-side Vendor-defined class layer implementation
ra8_usb_xfer.c	USB device-mode data path: pipe queue, DCP control data, SETUP
ra8_vin.c	Video Input Module (VIN) driver implementation
ra8_vreg.c	Internal Voltage Regulator (DCDC / LDO) driver implementation
ra8_wdt.c	Software Watchdog Timer (WDT) driver implementation
ra8_xspi.c	Octal Serial Peripheral Interface (OSPI / xSPI) driver
ra8_xspi_flash.c	OSPI / xSPI manual-command engine + JEDEC NOR-flash operations
ra8_xspi_internal.h	Module-private seam shared between the ra8_xspi translation units
timer.c	Thin SysTick-based timer wrapper
ra8_io
inc
ra8_io.h	Ra8_io – unified peripheral-agnostic I/O fabric (umbrella header)
ra8_io_blockdev.h	Ra8_io block-device fabric – one LBA vtable across every storage medium
ra8_io_blockdev_backend.h	Backend implementation contract for the ra8_io block-device fabric
ra8_io_blockdev_cache.h	Ra8_io caching block device – an LRU sector cache over any backend
ra8_io_blockdev_mram.h	Ra8_io block-device backend over the on-chip extra/data MRAM region
ra8_io_blockdev_ram.h	Ra8_io block-device backend over a caller-owned RAM buffer
ra8_io_blockdev_sdhi.h	Ra8_io block-device backend over the native SDHI SD-card controller
ra8_io_blockdev_sdram.h	Ra8_io block-device backend over the external 64 MiB SDRAM window
ra8_io_blockdev_sdspi.h	Ra8_io block-device backend over the micro-SD-in-SPI-mode driver
ra8_io_blockdev_usbmsc.h	Ra8_io block-device backend over a hosted USB mass-storage device
ra8_io_blockdev_vsource.h	Thin adapter exposing an ra8_io block device as an ra8_vsource reader
ra8_io_blockdev_xspi.h	Ra8_io block-device backend over OSPI NOR flash via ra8_xspi
ra8_io_fsfmt.h	Ra8_io pluggable filesystem-format registry (probe + capabilities)
ra8_io_i2c_bus.h	Ra8_io I2C-bus facade – one controller-transfer vtable over thechip's two I2C implementations
ra8_io_i2c_bus_i3c_compat.h	I3C I2C-compatibility backend binder for the ra8_io I2C-bus facade
ra8_io_i2c_bus_riic.h	RIIC backend binder for the ra8_io I2C-bus facade
ra8_io_log.h	Redirect ra8_log output into an ra8_io stream
ra8_io_spi_bus.h	Ra8_io SPI-bus facade – one controller-transfer vtable over thechip's two SPI implementations
ra8_io_spi_bus_sci_spi.h	SCI Simple-SPI backend binder for the ra8_io SPI-bus facade
ra8_io_spi_bus_spi_b.h	SPI_B backend binder for the ra8_io SPI-bus facade
ra8_io_stream.h	Ra8_io targetable byte-stream facade – one writer, many destinations
ra8_io_stream_backend.h	Public implementer contract for ra8_io byte-stream backends
ra8_io_stream_blockdev.h	Ra8_io byte-stream sink that buffers into a raw block device
ra8_io_stream_ram.h	Ra8_io byte-stream sink over a caller-owned RAM buffer
ra8_io_stream_uart.h	Ra8_io byte-stream sink over a UART/SCI channel
ra8_io_stream_usbcdc.h	Ra8_io byte-stream sink over a USB-CDC endpoint
ra8_io_vfs.h	Ra8_io virtual filesystem – mount many volumes, address them by name
src
ra8_io_blockdev.c	Block-device dispatcher – forwards each public call into the bound backend vtable, and bridges any backend to an ra8_fs_backend_t
ra8_io_blockdev_cache.c	Caching block device – LRU sector cache + write-through over a backend
ra8_io_blockdev_mram.c	MRAM block-device backend – a hard-fenced data-MRAM window as blocks
ra8_io_blockdev_ram.c	RAM block-device backend – a flat buffer as 512-byte logical blocks
ra8_io_blockdev_sdhi.c	Native-SDHI block-device backend – an SD card as 512-byte blocks
ra8_io_blockdev_sdram.c	SDRAM block-device backend – the 64 MiB SDRAM window as a ramdisk
ra8_io_blockdev_sdspi.c	Micro-SD-over-SPI block-device backend – thin shim over ra8_sdmmc_spi
ra8_io_blockdev_usbmsc.c	USB mass-storage block-device backend – a hosted device as 512-byte logical blocks
ra8_io_blockdev_vsource.c	Block-device -> ra8_vsource read adapter (LBA<->byte translation)
ra8_io_blockdev_xspi.c	OSPI NOR block-device backend – 512-byte LBAs over ra8_xspi flash
ra8_io_fsfmt.c	Pluggable filesystem-format registry and native ra8_fs adapter
ra8_io_i2c_bus.c	I2C-bus dispatcher – forwards each public call into the bound backend vtable, and bridges any backend to an ra8_i2c_bus_ops_t
ra8_io_i2c_bus_i3c_compat.c	I3C I2C-compatibility backend for the ra8_io I2C-bus facade – thin shim over ra8_i3c
ra8_io_i2c_bus_internal.h	Internal vtable type for the ra8_io I2C-bus facade
ra8_io_i2c_bus_riic.c	RIIC backend for the ra8_io I2C-bus facade – thin shim over ra8_i2c
ra8_io_log.c	Adapter that forwards ra8_log bytes into an ra8_io stream
ra8_io_spi_bus.c	SPI-bus dispatcher – forwards each public call into the bound backend vtable, and bridges any backend to an ra8_spi_bus_ops_t
ra8_io_spi_bus_internal.h	Internal vtable type for the ra8_io SPI-bus facade
ra8_io_spi_bus_sci_spi.c	SCI Simple-SPI backend for the ra8_io SPI-bus facade – thin shim over ra8_sci_spi
ra8_io_spi_bus_spi_b.c	SPI_B backend for the ra8_io SPI-bus facade – thin shim over ra8_spi
ra8_io_stream.c	Byte-stream dispatcher + no-varargs formatted-output primitives
ra8_io_stream_blockdev.c	Block-device byte-stream sink – buffer bytes into 512-byte sectors
ra8_io_stream_internal.h	Compatibility include for the public stream-backend contract
ra8_io_stream_ram.c	RAM byte-stream sink – append into a caller-owned buffer
ra8_io_stream_uart.c	UART/SCI byte-stream sink – polled writes through ra8_sci
ra8_io_stream_usbcdc.c	USB-CDC byte-stream sink – bulk-IN writes through ra8_usb_pal
ra8_io_vfs.c	Named-mount VFS dispatch over pluggable filesystem-format operations
ra8_io_vfs_internal.h	Module-private mount-slot layout and path resolvers for the ra8_io VFS
ra8_io_vfs_namespace.c	Path-namespace operations over the ra8_io VFS named-mount table
ra8_jpeg
inc
ra8_jpeg_sw.h	Pure-software baseline JPEG (ISO/IEC 10918-1 / ITU-T T.81) codec
src
ra8_jpeg_sw.c	Pure-software baseline JPEG codec: shared entropy/DSP primitives plus the get-dimensions public API
ra8_jpeg_sw_decode.c	Pure-software baseline JPEG decoder: marker parser and scan
ra8_jpeg_sw_encode.c	Pure-software baseline JPEG encoder: pixel pipeline and public API
ra8_jpeg_sw_encode_emit.c	Software JPEG encoder: byte/bit emitters, Annex K.3.3 tables and JFIF header-segment writers
ra8_jpeg_sw_encode_internal.h	Module-private declarations shared by the two encoder translation units of the software JPEG codec
ra8_jpeg_sw_internal.h	Module-private declarations shared across the software JPEGcodec translation units
ra8_jpeg_sw_stream.c	Streaming baseline JPEG decoder: bounded-RAM MCU-row stripes (#231)
ra8_keyboard
inc
ra8_keyboard.h	On-screen keyboard widget – iOS-style layers, shift, hit-test
src
ra8_keyboard.c	On-screen keyboard widget – iOS-style layers + shift
ra8_lsm6dso
inc
ra8_lsm6dso.h	ST LSM6DSO 6-DoF IMU driver (accel + gyro + temperature)
src
ra8_lsm6dso.c	ST LSM6DSO 6-DoF IMU driver – implementation
ra8_mem
inc
ra8_arena.h	Init-time bump arena – carves per-tier slab backing, zero-heap
ra8_glyph_atlas.h	Fixed-RAM-budget glyph cache with LRU eviction (Layer 3, #147)
ra8_keycache.h	The one reusable hash + pin + evict cache engine (#147, #345)
ra8_slab.h	Fixed-cell slab allocator – O(1), zero-fragmentation, zero-heap
ra8_tile_cache.h	Fixed-RAM-budget image-tile cache with LRU eviction (Layer 3b, #147)
ra8_vmem.h	Byte-range page cache with SLRU eviction (Layer 2, #147)
ra8_vmem_stream.h	Read a page-cached object as a seekable byte stream (Layer 2 helper, #147/#151)
ra8_vsource.h	Virtual-memory object sources – the page-cache storage seam (Layer 1, #147)
src
ra8_arena.c	Init-time bump-arena implementation (Layer 0, #147)
ra8_glyph_atlas.c	Fixed-budget glyph cache – implementation (Layer 3, #147)
ra8_keycache.c	The one reusable hash + pin + evict cache engine – impl (#147, #345)
ra8_slab.c	Fixed-cell slab allocator implementation (Layer 0, #147)
ra8_tile_cache.c	Fixed-budget image-tile cache – implementation (Layer 3b, #147)
ra8_vmem.c	Byte-range page cache with SLRU eviction – implementation (Layer 2)
ra8_vmem_stream.c	Read a page-cached object as a seekable byte stream – impl (#147/#151)
ra8_vsource.c	Virtual-memory object sources – implementation (Layer 1, #147)
ra8_modem_at
inc
ra8_modem_at.h	Cellular modem AT command/response driver layered on UART
src
ra8_modem_at.c	Cellular modem AT command/response driver implementation
ra8_modem_at_internal.h	Test-access surface for ra8_modem_at internal helpers (MC/DC)
ra8_mpu
inc
ra8_mpu.h	Cortex-M85 Memory Protection Unit (MPU) configuration helper
src
ra8_mpu.c	Cortex-M85 Memory Protection Unit configuration helper
ra8_net_pal
inc
ra8_net_pal.h	Network Platform Abstraction Layer for the RA8D2 ESWM block
src
ra8_net_pal.c	Network PAL implementation – ra8_eth wrapper
ra8_nsc
inc
ra8_nsc.h	Non-Secure Callable veneers – the only NS->S gateway
ra8_nsc_cgc.h	NSC veneers for the Clock Generation Circuit (CGC) driver
ra8_nsc_comms.h	NSC veneers for the communications drivers
ra8_nsc_io.h	NSC veneers for the I/O drivers
ra8_nsc_veneer.h	Macros for declaring Non-Secure Callable veneer functions
src
ra8_nsc_cgc.c	NSC veneers for the Clock Generation Circuit driver
ra8_nsc_comms.c	NSC veneers for the communications drivers
ra8_nsc_eth.c	NSC veneer: ethernet frame TX / RX
ra8_nsc_io.c	NSC veneers for the -6 I/O drivers
ra8_nsc_key_vault.c	NSC veneer: secure key vault challenge-response
ra8_nsc_log.c	NSC veneer: secure-side logging
ra8_nsc_ota.c	NSC veneers: OTA bank-commit + flash-bank-config write
ra8_nsc_periph_init.c	NSC veneer: secure peripheral substrate bring-up
ra8_nsc_wdt.c	NSC veneers: secure-side watchdog arm + refresh
ra8_nsc_xspi.c	NSC veneer: external XSPI flash read + status
ra8_ota
inc
ra8_ota.h	Phase-5 OTA firmware-update orchestration for the RA8D2
src
ra8_ota.c	Phase-5 OTA firmware-update orchestration – implementation
ra8_ota_internal.h	Test-access surface for ra8_ota internal helpers (MC/DC)
ra8_ota_parse.c	Phase-5 OTA configuration + manifest parsing helpers
ra8_ota_verify.c	Phase-5 OTA signature-verification cluster – implementation
ra8_ov5640
inc
ra8_ov5640.h	Transport-independent OmniVision OV5640 sensor driver
src
ra8_ov5640.c	Transport-independent OV5640 SCCB register driver
ra8_power_profile
inc
ra8_power_profile.h	Power-profiling helper – public API
src
ra8_power_profile.c	Power-profiling helper – implementation
ra8_psa_crypto
inc
ra8_psa_crypto.h	Application-level PSA Crypto facade over tf-psa-crypto
src
ra8_psa_crypto.c	Implementation of the ra8_psa_crypto facade over TF-PSA-Crypto
ra8_psa_crypto_fake.c	Off-target crypto primitives for the ra8_psa_crypto facade
ra8_psa_crypto_internal.h	Module-private definitions shared across the ra8_psa_crypto TUs
ra8_sdfont
inc
ra8_sdfont.h	Load a TTF/OTF font off a Pmod SD card, self-provisioning if absent
src
ra8_sdfont.c	SD-card font store with self-provisioning – implementation
ra8_sdmmc_spi
inc
ra8_sdmmc_spi.h	SD card driver in SPI-mode (PMOD-attached cards)
src
ra8_sdmmc_spi.c	SD card driver in SPI-mode – protocol implementation
ra8_sdmmc_spi_core_contracts_internal.h	Contracts for file-local SD protocol helpers
ra8_sdmmc_spi_internal.h	Module-private cross-TU surface for the SPI-mode SD card driver
ra8_sdmmc_spi_io.c	SD card driver in SPI-mode – public block I/O and SCI factory
ra8_sdmmc_spi_io_contracts_internal.h	Contracts for file-local SD block-I/O helpers
ra8_secure_app
inc
key_vault.h	Secure-only symmetric key store
ota_commit.h	Secure-side OTA bank commit + flash-bank-config write
src
key_import.c	Secure-side sealed-key import implementation
key_import_internal.h	Secure-side sealed key import + opaque handle vending
key_vault.c	Secure-only symmetric key store implementation
ota_commit.c	Secure-side OTA commit + flash-bank-config implementation
sec_cmac.c	Secure-side AES-CMAC seam implementation
sec_cmac_internal.h	Secure-side AES-CMAC seam (real PSA backend / in-tree reference)
secure_trng.c	Secure-side TRNG read implementation (host PRNG stub)
secure_trng_internal.h	Secure-side TRNG read API (RSIP-backed entropy)
ra8_tls
inc
ra8_tls.h	Tiny TLS facade over the vendored Mbed TLS 4.x stack
src
ra8_tls.c	Implementation of the ra8_tls Mbed TLS facade
ra8_touch_cal
inc
ra8_touch_cal.h	Resistive/capacitive touch-screen calibration utility
src
ra8_touch_cal.c	Implementation of the touch-screen calibration utility
ra8_tz_secure_boot
inc
ra8_tz_secure_boot.h	FSP-style TrustZone secure-boot for the Cortex-M85 (CPU0)
src
ra8_tz_secure_boot.c	FSP-style TrustZone secure-boot implementation for RA8D2
ra8_ui
inc
ra8_ui.h	Bounded UI interaction core: hit-testing, screen stack, paging
src
ra8_ui.c	Implementation of the bounded UI interaction core
ra8_usb_pal
inc
ra8_usb_pal.h	USB device-mode Platform Abstraction Layer
src
ra8_usb_pal.c	USB PAL implementation – ra8_usb wrapper
ra8_usb_pal_internal.h	Test-access surface for ra8_usb_pal internal helpers (MC/DC)
ra8_wdt_supervisor
inc
ra8_wdt_supervisor.h	ThreadX-aware watchdog supervisor (per-thread check-in registry)
src
ra8_wdt_sup_tx_shim_internal.h	ThreadX shim for ra8_wdt_supervisor (host unit-test build only)
ra8_wdt_supervisor.c	ThreadX-aware watchdog supervisor implementation
ra8_widget
inc
ra8_widget.h	Zero-heap composable widget layer (dwm-style) over ra8_box + ra8_ui
ra8_widget_book.h	Book-card + book-grid leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_keyboard.h	On-screen-keyboard leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_nav_bar.h	Navigation-strip leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_progress_bar.h	Progress-bar leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_reflow_view.h	Reflowed-reading-body leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_status_bar.h	Status-bar leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_toolbar.h	Toolbar leaf widget for the ra8_widget tree model (#145 Phase 2)
src
ra8_widget.c	Implementation of the ra8_widget composable-UI layer (#145)
ra8_widget_book.c	Book-card + book-grid leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_button.c	Push-button leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_internal.h	Module-private paint helpers shared by the concrete leaf-widget TUs
ra8_widget_keyboard.c	On-screen-keyboard leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_label.c	Text-label leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_nav_bar.c	Navigation-strip leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_paint.c	Shared geometry helpers for the concrete leaf widgets (#145 Phase 2)
ra8_widget_panel.c	Container-panel compositor for the ra8_widget tree model (#145)
ra8_widget_progress_bar.c	Progress-bar leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_reflow_view.c	Reflowed-reading-body leaf widget for the ra8_widget tree (#145 Phase 2)
ra8_widget_status_bar.c	Status-bar leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_widget_toolbar.c	Toolbar leaf widget for the ra8_widget tree model (#145 Phase 2)
ra8_wifi
inc
ra8_wifi.h	A small, uniform Wi-Fi facade: init, connect, get an IP, disconnect
ra8_wifi_backend.h	The radio-operation seam ra8_wifi dispatches through
ra8_wifi_c6link.h	The ESP32-C6 backend for the ra8_wifi facade, over ra8_c6link
src
ra8_wifi.c	The Wi-Fi facade state machine, dispatched over a backend vtable
ra8_wifi_c6link.c	The ESP32-C6 backend: each ra8_wifi operation onto ra8_c6link
port	Adapters between the vendored stacks under libs/third_party and this firmware: ThreadX to the RA8 clock tree, NetX Duo to a link layer, USBX to ra8_usb, LevelX to an ra8_fs block device, the Mbed TLS feature set, NimBLE's HCI transport, esp-hosted, and a hosted POSIX filesystem adapter
esp-hosted
inc
idf_compat
endian.h	Little-endian wire conversions for the esp-hosted frame header
esp_check.h	ESP-IDF-compatible check surface: the include, and nothing it does not need
esp_err.h	ESP-IDF-compatible error type and error codes, supplied by this port
esp_event_base.h	ESP-IDF-compatible event-base identity: the type and its two declarators
esp_heap_caps.h	ESP-IDF capability-flag compatibility for the esp-hosted port
esp_idf_version.h	The ESP-IDF API level the co-processor image was built against
esp_log.h	ESP-IDF-compatible logging surface, implemented by this port
esp_mac.h	ESP-IDF MAC-address-type compatibility for the esp-hosted port
sdkconfig.h	The CONFIG_* answers the vendored esp-hosted core asks for
port_esp_hosted_host_bt_config.h	Esp-hosted port header: which Bluetooth host runs above HCI
port_esp_hosted_host_config.h	Esp-hosted port header: transport selection, side-band pin map, link polarity
port_esp_hosted_host_config_features.h	Esp-hosted port header: optional host features, RPC bounds, counters
port_esp_hosted_host_config_transports.h	Esp-hosted port header: constants for the transports not in use
port_esp_hosted_host_log.h	Esp-hosted port header: the per-file log tag the core expects
port_esp_hosted_host_openthread.h	Esp-hosted port header: OpenThread host support switch
port_esp_hosted_host_os.h	Esp-hosted port header: RTOS handle types, return codes and budgets
port_esp_hosted_host_sdio.h	Esp-hosted port header: SDIO transport constants
port_esp_hosted_host_spi.h	Esp-hosted port header: full-duplex SPI transport buffer size
port_esp_hosted_host_spi_hd.h	Esp-hosted port header: half-duplex SPI transport buffer size
port_esp_hosted_host_uart.h	Esp-hosted port header: UART transport buffer size
port_esp_hosted_host_wifi_config.h	Esp-hosted port header: which Wi-Fi and supplicant features exist
ra8_esp_hosted_c6link.h	Binds the ra8_c6link transport seam to this port's OS vtable
ra8_esp_hosted_pins.h	THE single point of change for the RA8 <-> ESP32-C6 harness map
ra8_esp_hosted_port.h	Public entry point of the RA8D2 + ThreadX port of esp-hosted
src
ra8_esp_hosted_c6link.c	The three trampolines that put ra8_c6link on this board's wire
ra8_esp_hosted_fmt.c	Bounded printf-subset formatter used by the esp-hosted port logger
ra8_esp_hosted_fmt_internal.h	Bounded, heap-free printf-subset formatter for the esp-hosted port
ra8_esp_hosted_gpio.c	The eight side-band GPIO slots of the esp-hosted OS-abstraction vtable
ra8_esp_hosted_gpio_edge.c	Software edge detector for side-band pins the ICU cannot serve
ra8_esp_hosted_gpio_internal.h	Module-private surface of the esp-hosted side-band GPIO slice
ra8_esp_hosted_log.c	Bridge from the esp-hosted logging surface onto ra8_log
ra8_esp_hosted_log_internal.h	Library-private surface of the esp-hosted logging bridge
ra8_esp_hosted_osi.c	The esp-hosted OS-abstraction vtable and its non-RTOS slots
ra8_esp_hosted_osi_absent.c	Vtable rows for transports this board does not carry
ra8_esp_hosted_osi_internal.h	Library-private surface of the esp-hosted OS-abstraction vtable
ra8_esp_hosted_pins.c	ICU external-interrupt routing table for the esp-hosted link pins
ra8_esp_hosted_port.c	Bring-up and teardown of the esp-hosted RA8D2 + ThreadX port
ra8_esp_hosted_port_internal.h	Library-private surface of the esp-hosted port bring-up
ra8_esp_hosted_rtos.c	Thread, sleep, timer and clock vtable slots, plus the bind entry
ra8_esp_hosted_rtos_internal.h	Module-private contract of the esp-hosted RTOS abstraction slice
ra8_esp_hosted_rtos_pool.c	Memory and queue half of the esp-hosted OS-abstraction vtable
ra8_esp_hosted_rtos_sync.c	Mutex and semaphore vtable slots
ra8_esp_hosted_spi.c	The three transport slots of the esp-hosted OS-abstraction vtable
ra8_esp_hosted_spi_internal.h	Module-private surface of the esp-hosted full-duplex SPI transport
esp32_c6
inc
ra8_mdl_service.h	Public integration contract for the ESP32-C6 media RPC component
src
esp_idf_mdl_compat_internal.h	ESP-IDF media-service declarations for target builds and AST audits
mdl_service.c	ESP-IDF HTTP backend and synchronous CustomRpc hook for media chunks
levelx
inc
lx_fs_backend.h	Ra8_fs block-device backend over a LevelX wear-levelled NOR partition
lx_nor_driver_ra8_xspi.h	LevelX NOR-flash driver shim that bridges LevelX onto the RA8 ra8_xspi HAL (EK-RA8D2 ISSI IS25LX512M octal-SPI flash)
src
lx_fs_backend.c	Ra8_fs block-device trampolines onto LevelX wear-levelled NOR storage
lx_nor_driver_ra8_xspi.c	LevelX NOR driver implementation backed by the RA8 ra8_xspi HAL
mbedtls
inc
mbedtls_config.h	Project-wide Mbed TLS 4.x configuration for the RA8 firmware
tf_psa_crypto_config.h	PSA crypto configuration options (set of defines)
netxduo
inc
nx_ether_driver_c6.h	NetX Duo network driver shim that bridges onto the ESP32-C6 link
nx_ether_driver_ra8_eth.h	NetX Duo network driver shim that bridges onto the RA8 ra8_eth HAL
src
nx_ether_driver_c6.c	NetX Duo network driver bound to the ESP32-C6 link (ra8_c6link)
nx_ether_driver_ra8_eth.c	NetX Duo network driver bridging onto the RA8 ra8_eth frame API
nimble
inc
nimble
nimble_npl_os.h	ThreadX-backed OS types for the NimBLE Native Porting Layer
nimble_npl_os_log.h	NPL logging hook for the ThreadX port (compiled out)
ble_hci_ra8_ble.h	Apache NimBLE HCI transport adapter against the ra8_ble HCI ring
nimble_npl_threadx.h	NimBLE Native Porting Layer mapping onto Eclipse ThreadX
nimble_transport_stubs.h	Weak link stubs standing in for the NimBLE transport core
syscfg.h	NimBLE syscfg overrides for the RA8 port
src
ble_hci_ra8_ble.c	Apache NimBLE HCI transport adapter against the ra8_ble HCI ring
nimble_npl_threadx.c	NimBLE Native Porting Layer mapping onto Eclipse ThreadX
posix
inc
fw_if_fs_posix.h	Root-confined hosted POSIX adapter for fw_if_fs
ra8_io_stream_posix.h	Borrowed raw-descriptor backend for the portable byte-stream facade
src
fw_if_fs_posix.c	Secure hosted POSIX backend for the portable filesystem interface
fw_if_fs_posix_bind.c	Lifecycle and capability binding for the hosted POSIX filesystem
fw_if_fs_posix_common.c	Shared descriptor, raw-directory, and path helpers for the POSIX port
fw_if_fs_posix_contracts_internal.h	File-local contracts for the confined POSIX filesystem adapter
fw_if_fs_posix_internal.h	Shared errno/descriptor helpers for the POSIX filesystem port
fw_if_fs_posix_stream.c	Hosted POSIX byte-stream operations for the portable filesystem port
fw_if_fs_posix_stream_contracts_internal.h	File-local contracts for the hosted POSIX byte-stream operations
ra8_io_stream_posix.c	Raw-descriptor implementation of the portable byte-stream backend
ra8_io_stream_posix_internal.h	Private exact-write engine for the POSIX stream adapter
threadx
inc
ra8_threadx.h	RA8 <-> Eclipse ThreadX glue: SysTick kernel-tick retuning
tx_user.h	Eclipse ThreadX user-tunable defines for ra8-firmware
src
cortex_m85
tx_systick_ready.c	Storage for the ThreadX-ready latch that gates SysTick -> _tx_timer_interrupt
tx_systick_retune.c	Implementation of the ThreadX SysTick kernel-tick retune
usbx
inc
ux_dcd_ra8_usb.h	USBX device-controller-driver (DCD) bridge to ra8_usb
ux_dcd_ra8_usb_internal.h	USBX device-controller-driver bridge to ra8_usb – per-module cross-translation-unit contract
ux_hcd_ra8_usb.h	USBX host-controller-driver (HCD) bridge to ra8_usb
src
ux_dcd_ra8_usb.c	USBX device-controller-driver bridge to ra8_usb – lifecycle + storm guard
ux_dcd_ra8_usb_dvst.c	USBX device-controller-driver bridge to ra8_usb – device-state (DVST) path
ux_dcd_ra8_usb_dvst_default.c	USBX device-controller-driver bridge to ra8_usb – DVST Default-state mirror path
ux_dcd_ra8_usb_ep.c	USBX device-controller-driver bridge to ra8_usb – endpoint dispatch
ux_dcd_ra8_usb_irq.c	USBX device-controller-driver bridge to ra8_usb – IRQ pipe-walk
ux_dcd_ra8_usb_isr.c	USBX device-controller-driver bridge to ra8_usb – NVIC ISR trampolines
ux_dcd_ra8_usb_setup.c	USBX device-controller-driver bridge to ra8_usb – SETUP / chapter-9 control path
ux_dcd_ra8_usb_xfer.c	USBX device-controller-driver bridge to ra8_usb – transfer dispatch
ux_device_class_storage_inquiry.c	SPC-correct SCSI INQUIRY override for the USBX device storage class
ux_hcd_ra8_usb.c	USBX host-controller-driver bridge to ra8_usb – implementation
scripts	Developer and CI tooling: build, flash, and debug wrappers; the HIL bench rig control (Tapo power, J-Link, and RTT); the OpenBao secret client and root-of-trust key store; and the check_*.py quality gates under scripts/checks that CI and the git hooks enforce
builders
build_cross_compile_db.py
checks
tidy
static_decl_scan.py
annot_clang.py
annot_linkage.py
annot_loopbound.py
annot_model.py
annot_rulekeys.py
annot_rules.py
annot_scope.py
annot_selftest.py
annot_source.py
annot_walk.py
audit_init_order.py
authored_token_census.py
check-copyright.py
check-since-version.py
check_agnostic_registers.py
check_annotations.py
check_ansible_collections.py
check_asm.py
check_assert_casts.py
check_bench_lock.py
check_build_shard_union.py
check_c23_headers.py
check_c23_patterns.py
check_c6_integration.py
check_c6_patch_upstream.py
check_c6_pin_config.py
check_chapter_map_freshness.py
check_ci_image_single_builder.py
check_comment_format.py
check_core_layering.py
check_devcontainer.py
check_disambig_readmes.py
check_doc_attachment.py
check_doc_diagrams.py
check_download_installers.py
check_entry_points.py
check_errexit_masking.py
check_example_board_pins.py
check_file_size.py
check_final_newline.py
check_fleet_declaration.py
check_freestanding_runtime.py
check_function_size.py
check_generated_artefacts.py
check_gitignore_scope.py
check_go.py
check_header_file_placement.py
check_hil_alive_policy.py
check_hil_convergence_safety.py
check_hil_eil_parity.py
check_hil_privilege_boundary.py
check_hil_rig_contract.py
check_hook_parity.py
check_host_build_entrypoints.py
check_hum_register_map.py
check_image_no_antirecovery.py
check_inclusive_terminology.py
check_inclusive_terminology_commits.py
check_init_order_freshness.py
check_just_references.py
check_justfiles.py
check_line_citations.py
check_linker_scripts.py
check_lint_coverage.py
check_magic_numbers.py
check_markdown_references.py
check_mcdc_block.py
check_mcdc_floor.py
check_misra_deviations.py
check_new_compound_has_mcdc.py
check_new_compound_has_mcdc_selftest.py
check_no_ai_attribution.py
check_no_antirecovery.py
check_no_build_credentials.py
check_no_driver_asm_guard.py
check_no_dynamic_alloc.py
check_no_gnu_attribute.py
check_no_goto_setjmp.py
check_no_legacy_make.py
check_no_null.py
check_no_silent_stubs.py
check_no_stdio_streams.py
check_no_unsafe_python_install.py
check_no_wave_references.py
check_nsc_veneer_defs.py
check_obsolete_standards.py
check_pointer_boilerplate.py
check_python_lock_policy.py
check_reserved_addresses.py
check_roadmap_dashboard_freshness.py
check_ruff.py
check_runner_clock.py
check_runner_image_deps.py
check_script_references.py
check_sg_offsets.py
check_shebangs.py
check_shell.py
check_shell_just_invocations.py
check_soup_upstream.py
check_source_layout.py
check_stub_crypto_guarded.py
check_suppressions.py
check_tests_readme.py
check_third_party_patches.py
check_tier_imports.py
check_tool_versions.py
check_tool_warning_flags.py
check_tree_coverage.py
check_tz_boundary_discard.py
check_unused_includes.py
check_world_tags.py
cite_check.py
cite_ratchet.py
cppcheck_c23_compat.h	Cppcheck-only C23 compatibility shim, force-included by the gate
cppcheck_sources.py
docattach_ast.py
docattach_lex.py
docattach_model.py
docattach_scope.py
docattach_selftest.py
download_installers_macos.py
doxy_audit.py
doxy_functions.py
doxy_lex.py
doxy_members.py
doxy_report.py
doxy_scope.py
doxy_selftest.py
doxy_style.py
extract_line_citations.py
freestanding_runtime_selftest.py
funcsize_c.py
funcsize_py.py
funcsize_sh.py
hil_cache_isolation_rules.py
hil_cache_repair_rules.py
hil_convergence_check_mode.py
hil_convergence_safety_ast.py
hil_convergence_safety_fixtures.py
hil_convergence_safety_image_harness_policy.py
hil_convergence_safety_image_lock_digest.py
hil_convergence_safety_image_lock_fixtures.py
hil_convergence_safety_image_lock_receipts.py
hil_convergence_safety_image_process_analysis.py
hil_convergence_safety_image_process_policy.py
hil_convergence_safety_image_subreaper_policy.py
hil_convergence_safety_policy.py
hil_convergence_safety_process_mutations.py
hil_convergence_safety_process_source_fixtures.py
hil_convergence_safety_python_authority.py
hil_convergence_safety_raw_digest_controls.py
hil_convergence_safety_raw_digest_fixtures.py
hil_convergence_safety_raw_digest_runtime.py
hil_convergence_safety_roles.py
hil_convergence_safety_runtime_cleanup.py
hil_convergence_safety_runtime_escape.py
hil_convergence_safety_runtime_fixtures.py
hil_convergence_safety_runtime_launcher.py
hil_convergence_safety_runtime_loader.py
hil_convergence_safety_runtime_loader_harness.py
hil_convergence_safety_runtime_mutations.py
hil_convergence_safety_runtime_root_swap.py
hil_convergence_safety_runtime_sources.py
hil_convergence_safety_selftest.py
hil_convergence_safety_selftest_environment.py
hil_convergence_safety_semantic_mutations.py
hil_convergence_safety_source_fixtures.py
hil_convergence_safety_v8.py
hil_convergence_safety_v9.py
hil_convergence_safety_wsl.py
hil_privileged_helper_selftest.py
hook_git_policy_selftest.py
hook_parity_mutations.py
hook_runtime_selftest.py
hook_transport_support.py
hum_regmap.py
hum_regmap_scan.py
line_citation_lex.py
linker_script_fixtures.py
lint_coverage_rules.py
lint_targets.py
markdown_link_lex.py
markdown_reference_policy.py
markdown_reference_selftest.py
markdown_references.py
matrix_ratchet.py
mcdc_compound_delta.py
mcdc_compound_ratchet.py
misra_deviations_fixtures.py
misra_ratchet.py
privileged_startup_runtime_selftest.py
python_lock_policy_process.py
python_lock_policy_scan.py
python_lock_policy_uv_cache.py
python_lock_policy_uv_cache_contracts.py
python_lock_policy_uv_cache_release.py
python_lock_policy_uv_cache_release_contracts.py
python_lock_policy_uv_execution.py
python_lock_policy_uv_runner.py
runner_image_cleanup_policy.py
selftest_assert.py
shell_entrypoint_policy.py
shell_entrypoint_policy_ci.py
shell_entrypoint_policy_hil.py
shell_invocation_policy.py
shell_invocation_references.py
shell_invocation_selftest_cases.py
soup_manifest.py
soup_selftest.py
stack_usage_check.py
suppression_baseline_scan.py
suppression_build_controls.py
suppression_c_control_scan.py
suppression_c_controls.py
suppression_catalog.py
suppression_checker_census.py
suppression_checker_nonfatal.py
suppression_checker_scope.py
suppression_clang_tidy.py
suppression_comment_lex.py
suppression_compiler_selftest.py
suppression_control_scan.py
suppression_coverage_scan.py
suppression_debt_selftest.py
suppression_generated_markers.py
suppression_governance.py
suppression_governance_selftest.py
suppression_hardware_todo.py
suppression_hash_lex.py
suppression_identity.py
suppression_identity_selftest.py
suppression_inline_scan.py
suppression_ledger.py
suppression_ledger_selftest.py
suppression_mcdc_selftest.py
suppression_model.py
suppression_nonauth_registry.py
suppression_nonauth_registry_additions.py
suppression_rebind.py
suppression_rebind_selftest.py
suppression_scan.py
suppression_scope_categories.py
suppression_scope_registry.py
suppression_scope_registry_additions.py
suppression_selftest.py
suppression_selftest_fixtures.py
suppression_selftest_integrity.py
suppression_shell_lex.py
suppression_shell_scan.py
suppression_stranded_selftest.py
suppression_tool_controls.py
suppression_tool_selftest.py
suppression_validate.py
tidy_ratchet.py
tier_layers.py
tree_coverage_model.py
ci
check_ci_parity.py
check_gate_bodies.py
check_selftest_coverage.py
ci_parity_scan_selftest.py
ci_status.py
devcontainer_image_selftest_process.py
devcontainer_image_selftest_supervisor.py
devcontainer_image_selftest_supervisor_cases.py
dev
work
src
work.py
work_board.py
work_board_move.py
work_emit.py
work_gh.py
work_git.py
work_just.py
work_plan.py
work_tracker.py
work_workspace.py
assemble_candidate.py
auto_sync.py
bench_lock_capability.py
bootstrap_uv.py
bootstrap_uv_exec.py
bootstrap_uv_mode_selftest.py
fleet.py
fleet_bench.py
fleet_capacity_client.py
fleet_hil.py
fleet_model.py
fleet_mutation_lock.py
fleet_path_authority.py
fleet_reach.py
fleet_reconcile.py
fleet_reconcile_arc_selftest.py
fleet_reconcile_process.py
fleet_reconcile_selftest.py
fleet_runner_maintenance.py
fleet_runner_model.py
fleet_ssh_config.py
fleet_transaction_auth.py
fleet_typed_vars.py
fleet_wsl.py
fleet_wsl_stage.py
git_environment.py
list_libs.py
list_tests.py
managed_python_env.py
managed_python_env_checks.py
ra8_apps.py
remote_gdb_args.py
remote_gdb_guard.py
remote_gdb_guard_selftest.py
remote_gdb_process.py
remote_gdb_remote.py
review_suppressions.py
scaffold.py
search.py
stage_worktree_context.py
verify_locked_environment.py
workspace_guard.py
emu
fix
fix-encoding.py
fix_doxy_file_tags.py
fix_inclusive_terminology.py
fix_wave_references.py
mcdc_report.py
regen_mcdc_gaps.py
strip_assert_casts.py
gen
doxygen_md_filter.py
ereader_golden.py
font_to_c.py
gen_bluenoise_mask.py
gen_comic_fixture.py
gen_comic_large_fixture.py
gen_doxygen_nav.py
gen_driver_status.py
gen_hum_register_map.py
gen_jlink_w4.py
gen_jpeg_fixture.py
gen_manga_page_fixture.py
gen_pinouts.py
gen_sbom.py
gen_unarch_xz_fixture.py
merge_ihex.py
pinout_model.py
pinout_parse.py
pinout_render.py
pinout_selftest.py
rabook_gray8_fixture.py
rabook_parity_gen.py
sbom_registry.py
git
write-proof.py
hil
lib
bench_contention_verdict.py
bench_lock_broker.py
bench_lock_verify.py
bench_witness.py
usb
benchmark.py
cdc_echo_test.py
libusb_bench.py
stream_bench.py
ad2_smoke.py
hil_secrets.py
rig_env_parse.py
tapo_control.py
uart_write.py
report
app_sizes.py
mcdc_delta_comment.py
roadmap_dashboard.py
roadmap_stats.py
secrets
openbao_client.py
rot_keystore.py
rot_patch_pubkey.py
rot_sign.py
wifi_provision.py
tools	Host-side tools: the ra8_emulator RA8D2 emulator, cache/glyph benchmarks, the EPUB/book image builders, the root-of-trust signer, and the MCP server
cache_bench
inc
cache_bench.h	Eviction-policy comparison harness for the #147 memory-hierarchy decision record: the DIP seam every replacement policy implements, the fixed-frame cache it drives, and the per-run metrics it reports
cache_bench_host.h	POSIX raw-descriptor composition bindings for cache_bench
cache_bench_io.h	Bounded byte-source and text-sink seams for cache_bench
sweep_block.h	#208 block/frame-size sweep: the byte-size axis the capacity sweep never touches, so the chunked .rabook chunk size and the ra8_vmem frame_bytes constant are picked from measurement, not intuition
sweep_block_internal.h	Module-private seams shared by the #208 sweep translation units
trace.h	Resettable, allocation-free access streams for cache_bench
src
cache_bench.c	#147 eviction-policy benchmark: the exact-accounting replay engine
cache_bench_host.c	EINTR-safe raw-descriptor I/O and sibling publication
cache_bench_io.c	Bounded formatting and complete-write helpers for cache_bench
cache_bench_report.c	#147 benchmark front end: swept-capacity report, mode dispatch, main
policies.c	Reference eviction policies + the registry for the #147 benchmark
policy_scanresist.c	Scan-resistant eviction policies for the #147 benchmark: Segmented-LRU and SRRIP – the deterministic, low-metadata candidates a DO-178C page cache can actually ship (no ghost lists, bounded eviction scan)
sweep_block.c	Core of the #208 block/frame-size sweep (--sweep-block)
sweep_block_backends.c	Streamed pseudo-memory and RBKC-z9 block-sweep backends
sweep_block_payload.c	Checkpointed allocation-free pseudo-text source for block sweeps
sweep_block_report.c	Reporting for the #208 sweep: machine-parseable rows, per-leg summary tables, and the measured knee / crossover verdict
trace.c	Deterministic synthetic cursors and bounded captured-trace parsing
epub_compile
src
bake_library.py
cbz_compile.py
epub_compile.py
epub_dom.py
epub_package.py
epub_pipeline.py
gen_manifest.py
gray4_kernel.py
rabook_blob.py
rabook_format.py
exfat_mkimage
src
exfat_mkimage.c	Build an atomic deterministic exFAT showcase image through ra8_fs
glyph_bench
src
glyph_bench.c	#147/#162/#164 glyph-cache workload sweep: drive the real ra8_glyph_atlas with a realistic text-render glyph stream and report the hit rate (and rasterisations saved) versus the cache budget
mcp
src
mcp_content.py
mcp_protocol.py
mcp_tools.py
mcp_util.py
ra8_mcp.py
mkbookimg
inc
mkbookimg_internal.h	Module-private seams shared by the two mkbookimg translation units
mkbookimg_names.h	Derive an on-card file name from a source book path (long-name capable)
src
mkbookimg.c	Host tool that streams compiled books into an atomic FAT32 image
mkbookimg_books.c	Stream every requested book into the mounted image and prove the copy
mkfontimg
inc
mkfontimg_internal.h	Module-private bounded host-storage composition for mkfontimg
src
mkfontimg.c	Build an atomic FAT16 font image through bounded filesystem streaming
mkfontimg_host.c	Bounded descriptor-backed storage composition for mkfontimg
ra8_emulator
inc
board_console.h	Multi-channel console log store backing the board view's tabbed console
board_input.h	Host-side keystroke FIFO: window / CLI key source -> UART RX sink
board_net.h	Virtual network peer for ra8_emulator – talks TCP/IP to the firmware
board_overlay.h	Composite board-view renderer: panel framebuffer + a status sidebar
board_overlay_internal.h	Module-private layout constants + draw primitives for the overlay
board_periph.h	Register-accurate peripheral-model framework for the board emulator
board_periph_block.h	Decentralized peripheral-block registry for the board emulator core
board_periph_eink.h	IT8951 e-paper SPI-device model for ra8_emulator (attached to SPI_B)
board_periph_i2c_internal.h	Module-private interfaces shared by the board_periph_i2c TUs
board_periph_modem.h	Cellular AT-modem device model for ra8_emulator (attached to SCI7 UART)
board_periph_mstp_internal.h	Module-private module-stop (MSTP) gate state shared with the core
board_periph_pdctr_internal.h	Module-private graphics power-domain state for the gated blocks
board_periph_prcr_internal.h	Module-private PRCR unlock state shared with the protected blocks
board_periph_riic_devices_internal.h	Internal RIIC bus-device registry and board-device models
board_periph_sd.h	SD-card-over-SPI device model for ra8_emulator (attached to SPI_B)
board_periph_sd_internal.h	Module-private FAT formatter shared by the board_periph_sd TUs
board_usb.h	USBFS controller model + a virtual USB host for the board emulator
board_usb_host.h	USBHS HOST-mode controller model (self-loop peer of the USBFS device)
board_usb_internal.h	Module-private state + interfaces shared by the board_usb TUs
board_view.h	Minimal self-contained macOS window for the board emulator
board_view_provider_internal.h	Internal immutable-fd CoreGraphics provider factory
emu_args.h	Ra8_emulator command-line parsing (usage text + option decoding)
emu_console.h	Emulator text-console surfaces: UART echo, ITM/SWO echo, escapes
emu_cpu1.h	Second-core (cpu1, Cortex-M33) engine: release watch, boot, stepping
emu_elf.h	ELF32 image services for the board emulator (load / symbols / vectors)
emu_elf_source_internal.h	Private raw-descriptor ELF source operations
emu_engine.h	Shared Unicorn engine access utilities for the board emulator
emu_exc.h	Cortex-M exception model constants and interfaces for ra8_emulator
emu_host_io_internal.h	Bounded raw-descriptor I/O seam for the RA8 emulator
emu_memmap.h	Shared aliased-memory backing and Unicorn memory-map bindings
emu_memory_access.h	Central first-party Unicorn memory access seam
emu_mmio.h	Sparse MMIO model of the Renesas peripheral space
emu_mpu.h	Armv8-M MPU enforcement model for ra8_emulator
emu_presentation.h	Bounded raw-descriptor presentation surface and scratch workspace
emu_prof.h	Firmware profiler (RA8_EMU_PROFILE): sampling, hooks, reports
emu_run.h	The chunked emulation run loop, report and exit-code mapping
emu_run_internal.h	Shared run-loop state + cross-TU run helpers (ra8_emulator internal)
emu_seams.h	Armv8.1-M instruction-emulation seams (M85 ops on Unicorn's M33)
emu_trace.h	Function-entry seam glue + the –trace-sym instrument
emu_tz.h	TrustZone Secure/Non-Secure seams for ra8_emulator
emu_usbh_seam.h	Virtual USB host-mode devices behind the ra8_usb_host_* / hmsc seams
emu_view.h	Board-view presentation: frames, composition, input routing, panels
emu_view_surface_internal.h	Internal streamed panel/composite builder seam
emu_view_tile_internal.h	Internal bounded RGB565 tile rotation/writer
src
display
board_overlay.c	Composite board-view renderer implementation (see board_overlay.h)
board_overlay_draw.c	Overlay draw primitives + embedded 5x7 font
board_view_pixels.c	Bounded raw-fd RGB565 to CoreGraphics byte-range expansion
board_view_provider.c	Immutable raw-fd CoreGraphics direct provider implementation
board_view_stub.c	Headless no-op board view for non-Apple builds (Linux CI)
engine
emu_args.c	CLI parsing implementation (see emu_args.h)
emu_console.c	Emulator console surfaces implementation (see emu_console.h)
emu_cpu1.c	Second-core (cpu1) engine implementation (see emu_cpu1.h)
emu_elf.c	Streaming ELF32 segment, vector-base, and warm-reboot services
emu_elf_reboot.c	Warm-reboot orchestration over an open streaming ELF source
emu_elf_source.c	Allocation-free raw-descriptor ELF source ownership and bounded views
emu_elf_symbols.c	Bounded raw-descriptor ELF32 symbol and string streaming
emu_engine.c	Shared engine-access table definition (see emu_engine.h)
emu_exc.c	Hand-modelled Cortex-M exception engine (see emu_exc.h)
emu_exc_scs.c	SCS write watchers + DWT time base (see emu_exc.h)
emu_idle.c	Wait-for-interrupt idle-spin detector (see emu_exc.h)
emu_insn_seams.c	Invalid-instruction dispatcher + trap-path seams (see emu_seams.h)
emu_memmap.c	Emulated memory map implementation (see emu_memmap.h)
emu_memory_access.c	Central Unicorn memory access seam (see emu_memory_access.h)
emu_mmio.c	Sparse MMIO model implementation (see emu_mmio.h)
emu_mpu.c	Armv8-M MPU enforcement implementation (see emu_mpu.h)
emu_presentation.c	Checked raw-fd presentation workspace implementation
emu_prof.c	Firmware profiler implementation (see emu_prof.h)
emu_run.c	Chunked run loop + report implementation (see emu_run.h)
emu_run_guards.c	Run-guard environment knob reader (see emu_run.h)
emu_run_inner.c	Inner per-chunk exception-resolve loop (see emu_run_internal.h)
emu_run_report.c	Run-end report + finalize (see emu_run_internal.h)
emu_seam_div0.c	Divide-by-zero UsageFault (CCR.DIV_0_TRP) CPU-model seam
emu_seam_longshift.c	Armv8.1-M long-shift (LSLL/LSRL/ASRL) emulation seam (see emu_seams.h)
emu_seam_mve.c	Minimal MVE (Helium) emulation seam (see emu_seams.h)
emu_seam_sd.c	–fast-sd whole-block SD serving seam
emu_trace.c	Seam glue + –trace-sym implementation (see emu_trace.h)
emu_tz.c	TrustZone S/NS seam implementation (see emu_tz.h)
emu_usbh_seam.c	Virtual USB host-mode device seams (see emu_usbh_seam.h)
emu_view.c	Board-view presentation implementation (see emu_view.h)
emu_view_surface.c	Bounded-tile GLCDC rotation, raw-fd composition, and PPM export
emu_view_tile.c	Pure bounded tile rotation plus checked raw-surface row writes
host
emu_host_io.c	Bounded raw-descriptor host-I/O implementation
io
board_console.c	Multi-channel console log store implementation (see board_console.h)
board_input.c	Host-side keystroke FIFO implementation (see board_input.h)
board_net.c	Virtual network peer (Ethernet/ARP/IPv4/ICMP/TCP) for ra8_emulator
periph
board_periph.c	Peripheral-block registry core + ICU/NVIC routing for ra8_emulator
board_periph_adc.c	ADC16H (16-bit SAR) peripheral-block model for the board emulator
board_periph_bkup.c	VBATT backup-register (VBTBKRn) reset-retained domain model
board_periph_cac.c	CAC (Clock Frequency Accuracy Measurement) edge-counter model
board_periph_canfd.c	CAN-FD controller peripheral-block model for the board emulator
board_periph_ceu.c	Capture Engine Unit (CEU) peripheral-block model for ra8_emulator
board_periph_crc.c	CRC calculator peripheral-block model for the board emulator
board_periph_dac.c	DAC_B (12-bit D/A) peripheral-block model for the board emulator
board_periph_dmac.c	DMAC0 transfer peripheral-block model for the board emulator
board_periph_doc.c	Data Operation Circuit (DOC) peripheral-block model for ra8_emulator
board_periph_drw.c	Bench-validated DRW ("D/AVE 2D") rasterizer model for ra8_emulator
board_periph_dtc.c	DTC (Data Transfer Controller) transfer-engine model for ra8_emulator
board_periph_eink.c	IT8951 e-paper SPI-device model for ra8_emulator
board_periph_eth.c	R-Switch (ESWM / MFWD / COMA / ETHA / RMAC / GWCA) model for ra8_emulator
board_periph_glcdc.c	Graphics LCD Controller (GLCDC) framebuffer-descriptor model for ra8_emulator
board_periph_gpio.c	GPIO / PORT peripheral-block model for the board emulator
board_periph_gptp.c	Ethernet Generic PTP Timer (GPTP) model for ra8_emulator – HUM Ch 35
board_periph_i2c.c	I3C-in-I2C-mode (IIC_B) controller + GT911 touch + LSM6DSO IMU models plus an external-controller stimulus for the firmware in target mode
board_periph_i2c_devices.c	LSM6DSO IMU + MAX17048 fuel-gauge device models on the I2C bus
board_periph_ipc.c	Inter-Processor Communication (IPC) peripheral-block model for ra8_emulator
board_periph_lvd.c	LVD / PVD voltage-monitor status model for ra8_emulator
board_periph_modem.c	Cellular AT-modem device model for ra8_emulator (attached to SCI7)
board_periph_mram.c	Extra-MRAM (data-flash) MACI program/erase model for ra8_emulator
board_periph_mstp.c	Module Stop Control (MSTPCRA..E) register block for ra8_emulator
board_periph_mstp_model.c	Module-stop (MSTP) shadow + address->bit gate table (engine-free half)
board_periph_npu.c	Arm Ethos-U55 NPU command/queue execution model (RA8P1-only) for ra8_emulator
board_periph_pdctr.c	Graphics power-domain gating (PDCTRGD) model
board_periph_pdm.c	PDM-IF (digital MEMS microphone) peripheral-block model for ra8_emulator
board_periph_poeg.c	Port Output Enable for GPT (POEG) safe-shutoff register model
board_periph_prcr.c	SYSC register-write-protection (PRCR) model
board_periph_reset.c	Reset-cause status register (RSTSRn) model for ra8_emulator
board_periph_riic.c	RIIC (IIC) controller + PI4IOE5V6408 I/O-expander + OV5640 SCCB model
board_periph_riic_devices.c	RIIC bus registry, PI4IOE5V6408 expander, and OV5640 sensor models
board_periph_rtc.c	Realtime Clock (RTC) calendar peripheral-block model for ra8_emulator
board_periph_rtt.c	SEGGER RTT up-buffer drain model for ra8_emulator
board_periph_sci.c	SCI_B UART peripheral-block model for the board emulator
board_periph_sd.c	SD-card-over-SPI device model for ra8_emulator (attached to SPI_B)
board_periph_sd_format.c	Blank-card FAT16/FAT32 sparse-sector formatters (–sd-new)
board_periph_sd_image.c	Sparse raw-file lifecycle for the modelled SD card
board_periph_sdhi.c	Native 4-bit SDHI host-controller model for ra8_emulator (SDHI0)
board_periph_spi.c	SPI_B (Type-B SPI) controller peripheral-block model for ra8_emulator
board_periph_sram.c	SRAM controller ECC self-test / error-status model (SRAMCRn / SRAMESR)
board_periph_ssie.c	Serial Sound Interface Enhanced (SSIE / I2S) peripheral-block model
board_periph_timer.c	GPT + AGT timer peripheral-block model for the board emulator
board_periph_ulpt.c	Ultra-Low-Power Timer (ULPT) peripheral-block model for ra8_emulator
board_periph_usbhs_host.c	On-chip USBHS host controller model (0x40351000) for the board emulator
board_periph_wdt.c	Window Watchdog Timer (WDT0 / WWDT) model for ra8_emulator
board_periph_xspi.c	Octal-SPI (xSPI) manual-command + NOR-flash peripheral model for ra8_emulator
usb
board_usb.c	USBFS controller model + virtual USB host (chapter-9 enumeration)
board_usb_bridge.c	USBHS-host <-> USBFS-device bridge (see board_usb_internal.h)
board_usb_dev.c	USBFS register + CFIFO model (see board_usb_internal.h)
board_usb_host.c	USBHS HOST-mode controller model (self-loop peer of the USBFS device)
board_usb_loop.c	Self-loop (loop-cable) transport (see board_usb_internal.h)
board_usb_vhost.c	Built-in virtual chapter-9 USB host (see board_usb_internal.h)
main.c	RA8D2 board emulator – boot a real .elf on a CPU emulator, with ticks
rabook_imagepack
inc
ra8_fmt_host_fd_internal.h	Raw file-descriptor adapters for the portable format-tool contracts
ra8_fmt_host_spool_internal.h	Anonymous raw-fd scratch artifacts for portable format verification
ra8_fmt_portable_main_internal.h	Caller-workspace CLI composition for every supported tool verb
ra8_fmt_stream.h	Caller-workspace I/O contracts for portable format-tool engines
src
main.c	Portable command entry for JOF and RBKC content tooling
ra8_fmt_host_fd.c	Fail-closed raw-fd host composition for portable format engines
ra8_fmt_host_spool.c	Owned anonymous raw-fd spools for bounded verifier composition
ra8_fmt_portable_convert.c	Raw-descriptor composition root for caller-workspace JOF conversion
ra8_fmt_portable_main.c	Raw-descriptor CLI composition for JOF and RBKC inspection
ra8_fmt_portable_verify.c	Raw-fd composition root for bounded two-spool JOF verification
ra8_fmt_stream_convert.c	Callback-driven, caller-workspace image-to-JOF conversion
ra8_fmt_stream_inspect.c	Callback-driven, caller-workspace JOF inspection and reporting
ra8_fmt_stream_rabook.c	Strict callback-driven RBKC and RABOOK1 inspection
ra8_fmt_stream_verify.c	Caller-workspace two-spool JOF round-trip verification
ra8_fmt_stream_verify_plan.c	Exact caller-workspace planning for JOF verification
rabook_viewer
fixtures
make_fixture.py
inc
ra8_viewer_output_internal.h	Private typed diagnostic writers for the host viewer
ra8_viewer_reader.h	Caller-owned host JOF/comic reader and RGB565 render surface
ra8_viewer_reader_internal.h	Cross-translation-unit state for the bounded JOF/comic viewer
ra8_viewer_view.h	Caller-owned C ABI for the Cocoa scrolling JOF view
src
main.c	Bounded host composition root for the JOF/comic viewer
ra8_viewer_comic.c	Caller-workspace CBZ, CBR, and CBT reader engine
ra8_viewer_jof.c	Streamed JOF long-strip rendering over a one-band caller cache
ra8_viewer_output.c	Typed allocation-free diagnostic writers for the host viewer
ra8_viewer_ppm.c	RGB565 <-> 8-bit RGB conversion and the shared binary-PPM (P6) writer
ra8_viewer_reader.c	Requirements, workspace binding, descriptor lifecycle, and dispatch
ra8_viewer_view_stub.c	Non-Apple platform alternative for the Cocoa viewer ABI
reader_vmem
inc
reader_vmem_internal.h	Private host sink and caller-owned workspace contracts for reader_vmem
src
reader_vmem.c	Drive the real virtual-memory cache with a deterministic reader trace
reader_vmem_host.c	Bounded raw-descriptor trace composition for reader_vmem
reader_vmem_workspace.c	Checked split-region planning for reader_vmem cache RAM
vela
generated
ra8_npu_model_addk_fake.h
src
vela_gen.py