Chipyard 1.13.0 contains numerous new RTL changes:

• Integration of Saturn and Ara vector units
• Support for RISC-V B extension instructions in Rocket, Shuttle, and BOOMv4
• Added VexiiRiscv SpinalHDL RV64GCB core
• Added example VivadoHLS accelerator flow

Firesim's compiler is now decoupled from Chipyard's, making Firesim more modular and reusable.

Added

• Add dependabot to auto-update submodules (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1940)
• Update dependabot to also update GH-A workflows (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1950)
• Nexys video fpga bringup config (by @SeahK in https://github.com/ucb-bar/chipyard/pull/1942)
• Integrate vector unit (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/1928)
• Update Initial-Repo-Setup.rst (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1977)
• Add FireSim paper tests (migrating them from FireSim) (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1980)
• Integrate Ara vector unit (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/1973)
• Bump rocket-chip/saturn/shuttle (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/1991)
• Update rerocc to support rerocc MMIO ctrl (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/1981)
• Enable B extension in Rocket/Shuttle/BoomV4 (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/2001)
• Add CI help text to PR template | Reduce more CI runs (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/2022)
• Move FireChip target-specific CI from FireSim to Chipyard (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/2014)
• ADD: Add CMake build option for tests and example C++ program (by @T-K-233 in https://github.com/ucb-bar/chipyard/pull/2036)
• Add vexiiriscv CPU support (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/2057)
• Add example accelerator using HLS (by @schwarz-em in https://github.com/ucb-bar/chipyard/pull/2056)

Changed

• Remove need for users to install conda-lock themselves (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1941)
• Cleaner CI conda env setup | Selective weekly dependabot updates (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1957)
• Add hook into Chipyard build system for FireSim (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1935)
• FireSim x Chipyard Decoupled (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1984)
• Support FIRRTL2 bridge + Chisel 6 annos for FireSim (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/2013)

Fixed

• Fix VLSI CI - Fix conda environment creation (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1963)
• Create fresh conda environment for conda-lock instead of cloning base (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1970)
• Bump constellation to fix support for AXI-converted TL (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/1976)
• Update generate-conda-lockfiles.sh (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1978)
• Bump Checkpointing Script + Docs (by @abejgonzalez in https://github.com/ucb-bar/chipyard/pull/1911)
• Vector bugfixes (by @jerryz123 in https://github.com/ucb-bar/chipyard/pull/2003)
• ADD: add dump flow and documentation on tests building (by @T-K-233 in https://github.com/ucb-bar/chipyard/pull/2051)

Full Changelog: https://github.com/ucb-bar/chipyard/compare/1.12.0...main