Skip to content

Navigation Menu

Appearance settings

GitHub Copilot
Write better code with AI

GitHub Spark New
Build and deploy intelligent apps

GitHub Models New
Manage and compare prompts

GitHub Advanced Security
Find and fix vulnerabilities

Actions
Automate any workflow
Codespaces
Instant dev environments

Issues
Plan and track work

Code Review
Manage code changes

Discussions
Collaborate outside of code

Code Search
Find more, search less
Explore

Why GitHub

Documentation

GitHub Skills

Blog
Integrations

GitHub Marketplace

MCP Registry
View all features
By company size

Enterprises

Small and medium teams

Startups

Nonprofits
By use case

App Modernization

DevSecOps

DevOps

CI/CD

View all use cases
By industry

Healthcare

Financial services

Manufacturing

Government

View all industries
View all solutions
Topics

AI

DevOps

Security

Software Development

View all
Explore

Learning Pathways

Events & Webinars

Ebooks & Whitepapers

Customer Stories

Partners

Executive Insights
GitHub Sponsors
Fund open source developers
The ReadME Project
GitHub community articles
Repositories

Topics

Trending

Collections
Enterprise platform
AI-powered developer platform
Available add-ons

GitHub Advanced Security
Enterprise-grade security features

Copilot for business
Enterprise-grade AI features

Premium Support
Enterprise-grade 24/7 support
Pricing

Search code, repositories, users, issues, pull requests...

Search

Clear

Search syntax tips

Provide feedback

We read every piece of feedback, and take your input very seriously.

Include my email address so I can be contacted

Saved searches

Use saved searches to filter your results more quickly

Name

Query

To see all available qualifiers, see our documentation.

Appearance settings

You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session.

Dismiss alert

lowRISC / opentitan Public

Notifications You must be signed in to change notification settings
Fork 905
Star 3k

Code
Issues 1.5k
Pull requests 330
Actions
Projects
Security
Insights

Additional navigation options

Code
Issues
Pull requests
Actions
Projects
Security
Insights

[hw,mbx] Sync mailbox from integrated_dev to master#24687

Merged

rswarbrick merged 88 commits intolowRISC:masterlowRISC/opentitan:masterfrom

Razer6:sync-mbx-to-masterRazer6/opentitan:sync-mbx-to-masterCopy head branch name to clipboard

Oct 2, 2024

Conversation Commits88 (88)Checks Files changed

Merged

[hw,mbx] Sync mailbox from integrated_dev to master#24687
rswarbrick merged 88 commits intolowRISC:masterfrom
Razer6:sync-mbx-to-master

Commits

Commits on Sep 27, 2024

[hw,mbx,rtl] RTL skeleton for DOE Mailbox
Razer6
committed
[hw,mbx,rtl] Implementation of the host interface
Razer6
committed
[hw,mbx,rtl] Added IRQ primitive
Razer6
committed
[hw,mbx,rtl] Rename set/clear signals for better meaning
Razer6
committed
[hw,rtl,mbx] System register interface implementation
Razer6
committed
[hw,mbx,rtl] External control register
Razer6
committed
[hw,mbx,rtl] Implement DOE IRQ support
Razer6
committed
[hw,mbx,rtl] FW2FW IRQ registers
Razer6
committed
[mbx,doc] Initial ingestion of mailbox spec

Neeraj Upasani
authored and
Razer6
committed
[hw,mbx,rtl] Add countermeasure testplan
Razer6
committed
[hw,mbx,rtl] Implement SRAM arbiter
Razer6
committed
[hw,mbx,rtl] Inbound mailbox implementation
Razer6
committed
[hw,mbx,rtl] Simplify and fix signal assignments
Razer6
committed
[hw,mbx,rtl] Refactor top-level signalling and naming
Razer6
committed
[hw,mbx,rtl] Adaptions to the signaling
Razer6
committed
[hw,mbx,rtl] Use Mubi-regwen for range config
Razer6
committed
[hw,mbx,rtl] No IRQ muxing between ready and abort
Razer6
committed
[hw,mbx,rtl] Make DOE Interrupt Addr/Data an alias to host interface
Razer6
committed
[hw,mbx,rtl] Recoverable alert on invalid memory access
Razer6
committed
[hw,mbx,rtl] Remove Async message support registers
Razer6
committed
[hw,mbx,rtl] Remove hostif.status.ready register
Razer6
committed
[hw,mbx,rtl] Outbound mailbox implementation
Razer6
committed
[hw,mbx,rtl] Clarifications to the ombx signalling
Razer6
committed
[hw,mbx,rtl] Let the ombx create the DOE interrupt
Razer6
committed
[mbx] Rename OT-facing port to `core`

andreaskurth
authored and
Razer6
committed
[mbx] Rename SoC-facing port to `soc`

andreaskurth
authored and
Razer6
committed
[mbx/rtl] Fix signal names of TL-UL `sram` ports

andreaskurth
authored and
Razer6
committed
[mbx/rtl] Add missing reg WE onehot check assertion

andreaskurth
authored and
Razer6
committed
[mbx/rtl] Add missing connections to/from `mbx_soc_reg_top`

andreaskurth
authored and
Razer6
committed
[hw,mbx,rtl] Move error bit from HOST.STATUS to HOST.CONTROL
Razer6
committed
[hw,mbx,rtl] Invalid range config sets busy
Razer6
committed
[hw,mbx,rtl] Make registers explicitly read-only in hardware
Razer6
committed
[hw,mbx,rtl] More concise register definition
Razer6
committed
[hw,mbx,rtl] Rename DOE IRQ signals on host side
Razer6
committed
[hw,mbx,rtl] Raise a system IRQ if host raises an error
Razer6
committed
[hw,mbx,rtl] Busy is fully hardware controlled
Razer6
committed
[hw,mbx,rtl] Fix permissions on CORE.STATUS and SOC.CONTROL
Razer6
committed
[hw,mbx,rtl] Add mbx to makefile and fix comment
Razer6
committed
[mbx/rtl] Comment broken assertions out

andreaskurth
authored and
Razer6
committed
[mbx] Exclude most CSRs from automated tests

andreaskurth
authored and
Razer6
committed
[sw/mbx] Add scaffold of DIF

andreaskurth
authored and
Razer6
committed
[hw,mbx,rtl] Fix undriven signals and busy clear
Razer6
committed
[mbx] Advance pointer on initial write

alees24
authored and
Razer6
committed
[hw,mbx,rtl] Fix linting errors on mailbox
Razer6
committed
[mbox/lint] Fix a concatenation error

msfschaffner
authored and
Razer6
committed
[mbx/lint] Update waiver

msfschaffner
authored and
Razer6
committed
[mbx] Stable Ready bit required in ombx assertion

alees24
authored and
Razer6
committed
[mbx] Assertion improvements

alees24
authored and
Razer6
committed
[mbx, dv] - First pass mbx ip dv enviorment and smoke test

Kevin Virgen
authored and
Razer6
committed
[dv,darjeeling] Include DMA and MBX smoke tests in CI

alees24
authored and
Razer6
committed
[mbx,dv] Dv tweaks to get csr tests running in the smoke regression

hcallahan-lowrisc
authored and
Razer6
committed
[hw,mbx,rtl] Defer IRQ generation until write response received
Razer6
committed
[hw,mbx] Make lint clean for unused signal
Razer6
committed
[hw,mbx,rtl] Gate all valid received with current request
Razer6
committed
[hw,mbx,rtl] Use the transition to Read or to Abort state to generate IRQ
Razer6
committed
[hw,mbx,rtl] Initialize the outbound read ptr when range becomes valid
Razer6
committed
[mbx] Correct assertion and updating of OUTBOUND_OBJECT_SIZE

alees24
authored and
Razer6
committed
[hw,mbx,rtl] Add CSR registers for asynchronous message support
Razer6
committed
[hw,mbx,rtl] Add top-level strap for async message support
Razer6
committed
[mbx, dv] Refactor tb interrupt functionality

GregAC
authored and
Razer6
committed
[mbx,dv] Add IRQ usage to mailbox smoke

GregAC
authored and
Razer6
committed
[hw,mbx,rtl] Trigger an error for out-of-bounds imbx write
Razer6
committed
[hw,mbx,rtl] Add an error IRQ to notify host
Razer6
committed
[hw,mbx,dv] Add new interrupt to the DV environment
Razer6
committed
[dv,mbx] Changes for vcs support

alees24
authored and
Razer6
committed
[mbx] Fault recovery via Abort mechanism

alees24
authored and
Razer6
committed
[mbx] Abort acknowledgement always resets FSMs.

alees24
authored and
Razer6
committed
[mbx] Reset request count when abort cleared.

alees24
authored and
Razer6
committed
[mbx/dv] Create scaffold for testplan

andreaskurth
authored and
Razer6
committed
[hw,mbx,rtl] Use the transition to the Read/Abort to generate the IRQ
Razer6
committed
[mbx] Limit addresses are inclusive

alees24
authored and
Razer6
committed
[dv,mbx] Tidying, restructuring and minor fixes.

alees24
authored and
Razer6
committed
[dv,mbx] Extended smoke sequence

alees24
authored and
Razer6
committed
[dv,mbx] Placeholder stress sequence.

alees24
authored and
Razer6
committed
[dv,mbx] Extended stress testing

authored and
Razer6
committed
[dv,mbx] Vary TL-UL access/response timings.

alees24
authored and
Razer6
committed
[dv,mbx] Reduce num_iters/num_txns for mbx_stress to avoid timeouts

hcallahan-lowrisc
authored and
Razer6
committed
[mbx,dv] Test hw mechanism for reporting imbx oob

hcallahan-lowrisc
authored and
Razer6
committed
[hw,mbx,rtl] Gate the AsyncMsg support with feature strap and enable
Razer6
committed
[hw,mbx,rtl] No direct prim_generic_flop instances
Razer6
committed
[hw,mbx,rtl] Clear interrupts when acknowledging an abort
Razer6
committed
[hw,mbx,dv] Disable not implemented stress tests
Razer6
committed
[mbx/dv] Separate `mbx_stress` from `mbx_stress_all` in testplan

andreaskurth
authored and
Razer6
committed
[mbx/dv] Add `mbx_stress_zero_delays` test to `mbx_stress` test point

andreaskurth
authored and
Razer6
committed
[mbx/dv] Add test point for out-of-bound inbound mailbox accesses

andreaskurth
authored and
Razer6
committed
[hw,mbx,rtl] Move SOC_INTR_ADDR/DATA registers to the end
Razer6
committed
[hw,mbx] Update source files with new license header
Razer6
committed
[hw,mbx] Update bazel rules for generating C/Rust headers
Razer6
committed

Footer

© 2025 GitHub, Inc.

Footer navigation

Terms
Privacy
Security
Status
Community
Docs
Contact

You can’t perform that action at this time.