CHANGELOG.md

Changelog

This changelog follows the format defined here: https://keepachangelog.com/en/1.0.0/

[1.13.0]

Chipyard 1.13.0 contains numerous new RTL changes and decouples Firesim from Chipyard.

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

Changed

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

Fixed

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

[1.12.3] - 2024-8-21

Small QoL updates and fixes.

Added

• Bump rocket-chip/saturn/shuttle (by @jerryz123 in ucb-bar#1991)
• Update rerocc to support rerocc MMIO ctrl (by @jerryz123 in ucb-bar#1981)
• Enable B extension in Rocket/Shuttle/BoomV4 (by @jerryz123 in ucb-bar#2001)

Fixed

• Vector bugfixes (by @jerryz123 in ucb-bar#2003)

[1.12.0] - 2024-8-1

Major update switching to Chisel 6 for RTL/FPGA/VLSI flows. Compress-acc and ReRoCC added as new RTL blocks. Software updated to GCC-13 with Linux Kernel 6.4.

Added

• Support BINARIES_DIR make flag (by @jerryz123 in ucb-bar#1773)
• Add large boom cospike config (by @joonho3020 in ucb-bar#1786)
• Enable debug SBA on all default designs (by @jerryz123 in ucb-bar#1763)
• Allow passing BINARY_ARGS to target binaries (pk) (by @jerryz123 in ucb-bar#1792)
• Add example rocket-chip-blocks timer integration (by @jerryz123 in ucb-bar#1793)
• Add support for building CIRCT from source (by @jerryz123 in ucb-bar#1806)
• Bump constellation - adds support for inlining noc routers (by @jerryz123 in ucb-bar#1809)
• Add GPIOPunchthrough harnessbinder (by @jerryz123 in ucb-bar#1823)
• EXT_FILELISTS and EXT_INCDIR APIs for including external verilog projects (by @jerryz123 in ucb-bar#1832)
• Add EmptyChipTop example (by @jerryz123 in ucb-bar#1845)
• add sv39 fragments (by @joonho3020 in ucb-bar#1874)
• Support Chisel6 for RTL-sim/VLSI/FPGA flows (by @jerryz123 in ucb-bar#1854)
• Add GCD IOBinders examples (by @jerryz123 in ucb-bar#1884)
• Integrate ReRoCC (by @jerryz123 in ucb-bar#1783)
• Generate a log file of the CIRCT output (by @jerryz123 in ucb-bar#1899)
• Add compress-acc (by @joonho3020 in ucb-bar#1906)
• Add DMI Bridge to FireSim (by @soohyuk-cho in ucb-bar#1852)
• Add makefile flag to disable binary disassembly during sims (by @jerryz123 in ucb-bar#1921)

Changed

• Improve GCD example (by @jerryz123 in ucb-bar#1757)
• Update MMIO peripheral docs (by @jerryz123 in ucb-bar#1774)
• Bump to latest rocket-chip (by @jerryz123 in ucb-bar#1770)
• CHANGE: Organize abstract config into sections and change comment format to docstrings (by @T-K-233 in ucb-bar#1722)
• Bump to Verilator v5.022 (by @vighneshiyer in ucb-bar#1800)
• Bump testchipip for improved TLSerdesser (by @jerryz123 in ucb-bar#1768)
• REFACTOR: minor fix on code styling (by @T-K-233 in ucb-bar#1815)
• REFACTOR: rearrange gitsubmodule list to match directory order (by @T-K-233 in ucb-bar#1813)
• Add PD-optimized variant of boom (by @jerryz123 in ucb-bar#1816)
• Bump rocket-chip to standalone diplomacy (by @jerryz123 in ucb-bar#1818)
• Bump to gcc 13 (by @vighneshiyer in ucb-bar#1802)
• Use SV48 when possible (by @abejgonzalez in ucb-bar#1847)
• Flatten barstools into Chipyard (by @jerryz123 in ucb-bar#1855)
• Automatically set DTSTimebase to PBUS frequency (by @abejgonzalez in ucb-bar#1856)
  • Bump firesim to version with detached build.sbt (by @jerryz123 in ucb-bar#1864)
• add upper bound for python version to avoid incompatible packages (by @bwhitchurch in ucb-bar#1898)
• Bump FireMarshal (by @abejgonzalez in ucb-bar#1903)
• Update checkpointing script (by @abejgonzalez in ucb-bar#1909)
• Update rocket-chip with modern diplomacy/prci packaging (by @jerryz123 in ucb-bar#1895)
• Non-recursive clone of compress-acc (by @jerryz123 in ucb-bar#1910)
• Bump rc/components to improve module naming (by @jerryz123 in ucb-bar#1894)
• Bump rocc-acc-utils for updated logger (by @abejgonzalez in ucb-bar#1917)
• Bump rocket-chip/submods for reorganized rocket configs (by @jerryz123 in ucb-bar#1914)
• Update testchipip for bootrom that clears MIP (by @jerryz123 in ucb-bar#1923)
• Bump to chisel 6.5.0 (by @jerryz123 in ucb-bar#1927)

Fixed

• Fix unnecessary runs/rebuilds of RTL simulators (by @jerryz123 in ucb-bar#1758)
• Fix submodule recusive cloning (by @jerryz123 in ucb-bar#1765)
• Fix invalid escape sequences (by @tymcauley in ucb-bar#1798)
• docs: Update FireSim docs (by @geekLucian in ucb-bar#1795)
• Fix Gemmini Spike test in CI + Fix FireMarshal launch jobs erroring (by @abejgonzalez in ucb-bar#1804)
• FIX: Change default UART FIFO size and combine UART Config fragments (by @T-K-233 in ucb-bar#1683)
• Fix InitZero example + add to CI (by @jerryz123 in ucb-bar#1826)
• Fix driver dts issues (align w/ RTL) (by @abejgonzalez in ucb-bar#1837)
• Bump FireMarshal (by @abejgonzalez in ucb-bar#1840)
• Bump rc w/ tile interrupt fix (by @joonho3020 in ucb-bar#1841)
• Update build-toolchain-extra.sh (by @abejgonzalez in ucb-bar#1848)
• Update MultiHarnessBinders to connect differently typed ports + Ignore TLMonitors on DigitalTop scope (by @abejgonzalez in ucb-bar#1868)
• Fix classpath_cache bug (by @jerryz123 in ucb-bar#1880)
• Fix clock name and macro paths for Sky130 VLSI flow (by @nayiri-k in ucb-bar#1882)
• Name all the generated ClockDomains (by @jerryz123 in ucb-bar#1891)
• Bump FireMarshal + PK (Pk bumped to fix toolchain bump issues w/ linux) (by @abejgonzalez in ucb-bar#1905)

Removed

• Remove useless conda env sourcing (by @joonho3020 in ucb-bar#1759)
• Remove legacy SFC flags (by @jerryz123 in ucb-bar#1859)
• Remove tapeout.GenerateModelStageMain (by @jerryz123 in ucb-bar#1860)

Uncategorized

• Fix typo in build-setup.sh (by @buggy213 in ucb-bar#1760)
• vlsi/Makefile: truncate file SRAM_GENERATOR_CONF (by @oharboe in ucb-bar#1778)
• Switch update-circt action to v1 (by @seldridge in ucb-bar#1788)
• Ensure all GPIO signals are tied off (by @tymcauley in ucb-bar#1732)
• Enabling JTAG Debuging in VCU118 FPGA changelog:added (by @ksungkeun84 in ucb-bar#1796)
• Bump boom to fix Chisel 6 compatibility (by @tymcauley in ucb-bar#1820)
• fix: Link conda lib during CIRCT build (by @geekLucian in ucb-bar#1824)
• Fix missing step in documentation. (by @gonsolo in ucb-bar#1830)
• Spelling fix. (by @gonsolo in ucb-bar#1833)
• [docs] Fix sim output executable name usage in docs (NFC) (by @eymay in ucb-bar#1858)
• Spelling fixes. (by @gonsolo in ucb-bar#1862)
• Improve insert includes (by @bwhitchurch in ucb-bar#1902)
• Bump firesim (by @joonho3020 in ucb-bar#1913)
• Add configuration for MegaBoom that uses SimBlockDevice (by @eszpotanski in ucb-bar#1924)

Full Changelog: https://github.com/ucb-bar/chipyard/compare/1.11.0...1.12.0

[1.11.0] - 2024-1-22

Adds Ubuntu support for firemarshal, multi-chiptop configuration for chiplets, caliptra accelerator, spike-cosim.

Added

• Provide example of tethered-config simulation with MultiHarnessBinders (by @jerryz123 in ucb-bar#1484)
• Add release note automation (by @abejgonzalez in ucb-bar#1548)
• Improve peripheral config binders (Reapply #1511) (by @jerryz123 in ucb-bar#1527)
• UPF Generation (by @sriramsridhar23 in ucb-bar#1347)
• Improve: SiFive peripheral device doumentation (by @T-K-233 in ucb-bar#1578)
• Bump to latest rocket-chip | integrated fixed-point | pull in stage/phase (by @jerryz123 in ucb-bar#1577)
• Enable precommit | Format files (by @abejgonzalez in ucb-bar#1585)
• KLayout section of Sky130+OpenROAD tutorial (by @nayiri-k in ucb-bar#1514)
• Added useful "Build script exited at step X" errors for each step in build-setup.sh (by @JL102 in ucb-bar#1614)
• Adds support for Digilent Nexys Video FPGA board. (by @milovanovic in ucb-bar#1616)
• Add NarrowRocketCache config fragment (by @jerryz123 in ucb-bar#1603)
• Add Caliptra AES256 ECB engine as RoCC accelerator (by @abejgonzalez in ucb-bar#1642)
• Support using HarnessBinders without IOBinders (by @jerryz123 in ucb-bar#1636)
• Add Bringup on Arty100T config, using PMOD-gpio for ser-tl (by @jerryz123 in ucb-bar#1657)
• Install uart_tsi utility as part of build-toolchain-extra (by @jerryz123 in ucb-bar#1670)
• Add spike devices (by @joey0320 in ucb-bar#1692)
• Bump testchipip to support multi-serial-tl (by @jerryz123 in ucb-bar#1630)
• ADD: bump fpga-shell (by @T-K-233 in ucb-bar#1703)
• Add UART device/JTAG to Arty100T default design (by @jerryz123 in ucb-bar#1712)
• Add generators/ submodule status check to all Make targets (by @jerryz123 in ucb-bar#1718)
• Add clearer --skip flags to build-setup (by @jerryz123 in ucb-bar#1724)
• Add Baremetal IDE support (by @T-K-233 in ucb-bar#1534)
• ADD: add information on Baremetal-IDE in docs (by @T-K-233 in ucb-bar#1730)
• Support clustered-cores (by @jerryz123 in ucb-bar#1629)
• Add debug clock tap port to all default designs (by @jerryz123 in ucb-bar#1697)
• Add support for symmetric serial-tilelink (by @jerryz123 in ucb-bar#1716)
• Add Chip ID Pin and Port (by @schwarz-em in ucb-bar#1721)
• FastSimRocketConfig with no TLMonitors (by @joey0320 in ucb-bar#1752)
• Use lean conda for faster initial setup (by @joey0320 in ucb-bar#1750)
• Add BroadcastCoherence rocket config (by @jerryz123 in ucb-bar#1755)

Changed

• Bump FireMarshal (by @abejgonzalez in ucb-bar#1556)
• Bump spike | support M-mode only cosim (by @jerryz123 in ucb-bar#1530)
• Bump to chisel3.6 (by @jerryz123 in ucb-bar#1531)
• Replace Dromajo FireSim bridge with Cospike (by @abejgonzalez in ucb-bar#1588)
• Add PortAPI between IO and Harness blocks (by @jerryz123 in ucb-bar#1610)
• REFACTOR: change bootaddr register address and PC reset vector address (by @T-K-233 in ucb-bar#1605)
• REFACTOR: rename arty35t explicitly (by @T-K-233 in ucb-bar#1682)
• Add HasHarnessInstantiators into MultiHarnessBinder (by @abejgonzalez in ucb-bar#1674)
• Install CIRCT out of Conda (by @abejgonzalez in ucb-bar#1675)
• [cd] Bump CIRCT from firtool-1.58.0 to firtool-1.60.0 (copy #1688) (by @mergify[bot] in ucb-bar#1689)
• Bump constellation with improved TL-noc (by @jerryz123 in ucb-bar#1633)
• Update testchipip imports with new testchipip organization (by @jerryz123 in ucb-bar#1710)
• CHANGE: Set scratchpad as default config (by @T-K-233 in ucb-bar#1719)
• Rename blocks/cache submodules to match new chipsalliance ownership (by @jerryz123 in ucb-bar#1726)
• Rename timeout_cycles to TIMEOUT_CYCLES to match convention (by @jerryz123 in ucb-bar#1706)
• [cd] Bump CIRCT from firtool-1.60.0 to firtool-1.61.0 (copy #1691) (by @mergify[bot] in ucb-bar#1699)
• Bump tcip/barf/marshal/fsim (by @joey0320 in ucb-bar#1748)
• Remove skip-validate option (by @joey0320 in ucb-bar#1749)
• Add .gitignore for Embench Build Folder (by @vighneshiyer in ucb-bar#1754)

Fixed

• Bump lockfiles | Force user-installed conda during conda-lock (by @abejgonzalez in ucb-bar#1555)
• Fix FIFO-fixing for PRCI bus (by @jerryz123 in ucb-bar#1563)
• Fix VCU118 freq adjustment configs (by @jerryz123 in ucb-bar#1597)
• Fix Arty100T verilog build (by @jerryz123 in ucb-bar#1608)
• Make scripts/insert-includes.py use Python from conda env (by @hansungk in ucb-bar#1615)
• Fix icenet-loopback clock and reset domain (by @joey0320 in ucb-bar#1612)
• Bump FireMarshal for linux rng init fix (by @raghav-g13 in ucb-bar#1620)
• Bump barstools (by @abejgonzalez in ucb-bar#1625)
• [vlsi][ci skip] Fix tutorial.mk so that INPUT_CONFS override only affects tutorials (by @jerryz123 in ucb-bar#1631)
• Fix regex for similar module names that are uniquified (by @abejgonzalez in ucb-bar#1640)
• Rebuild jars when sv/v files are changed + Add documentation on blackboxes (by @abejgonzalez in ucb-bar#1639)
• Use TARGET instead of PREFIX in /tests Makefile(s) (by @raghav-g13 in ucb-bar#1647)
• Fix IO direction for host Serial-TL port (by @ethanwu10 in ucb-bar#1654)
• More robust env.sh | Fix conda activate if in subshell (by @abejgonzalez in ucb-bar#1653)
• Always generate MFC Blackbox filelist (by @abejgonzalez in ucb-bar#1668)
• Remove references to ENABLE_YOSYS (by @abejgonzalez in ucb-bar#1695)
• FIX: fix vcu118 sd card frequency (by @T-K-233 in ucb-bar#1685)
• FIX: fix conda-lock version, >1.4.0 does not work! (by @T-K-233 in ucb-bar#1714)
• docs: correct to TOP_MACROCOMPILER_MODE (by @oharboe in ucb-bar#1744)
• Use non-lock-file conda requirements in RTD (by @abejgonzalez in ucb-bar#1742)
• Fix GCD MMIO example (by @jerryz123 in ucb-bar#1753)

Removed

• Remove pre-commit from env.sh (by @abejgonzalez in ucb-bar#1587)
• Remove Dromajo (by @abejgonzalez in ucb-bar#1598)
• Remove MultiClockHarnessAXIMem (by @jerryz123 in ucb-bar#1601)

Uncategorized

• Documentation: Change "don't use Windows" to "if using Windows, use WSL" (by @JL102 in ucb-bar#1572)
• docs: Add info on chipyard's tests directory and how to do multithreading in RTL simulations (by @JL102 in ucb-bar#1646)
• Reduce CDE lookups for IOBinders (by @tymcauley in ucb-bar#1720)
• Update deprecated APIs to prepare for Chisel 5 (by @tymcauley in ucb-bar#1723)
• Allow sed override in uniquify-module-names.py (by @tymcauley in ucb-bar#1729)
• Update deprecated/unused Chisel APIs (by @tymcauley in ucb-bar#1743)

Full Changelog: https://github.com/ucb-bar/chipyard/compare/1.10.0...main

[1.10.0] - 2023-6-16

Adds superscalar in-order core, prefetchers, architectural checkpointing, examples for custom-chiptop/tapeout-chip/flat-chiptop. FireSim bumped with new local FPGA support: Xilinx VCU118 (w/XDMA), Xilinx Alveo U250/U280 (w/XDMA, in addition to previous Vitis support), RHSResearch NiteFury II (w/XDMA). FireSim now also supports Xcelium for metasims.

Added

• QoL improvement to IOBinders + custom ChipTop example by @jerryz123 in ucb-bar#1399
• New Scala-based Config Finder by @abejgonzalez in ucb-bar#1424
• ADD: improve Makefile in tests/, add explicit arch flags by @T-K-233 in ucb-bar#1439
• Add mt-helloworld example by @jerryz123 in ucb-bar#1428
• Add tutorial software by @abejgonzalez in ucb-bar#1447
• Support not instantiating the TileClockGater/ResetSetter PRCI control by @jerryz123 in ucb-bar#1459
• ELF-based-loadmem | architectural restartable checkpoints by @jerryz123 in ucb-bar#1438
• Add embench build support by @jerryz123 in ucb-bar#1479
• Support multi-run of binaries by @jerryz123 in ucb-bar#1480
• Integrate barf (prefetchers) by @jerryz123 in ucb-bar#1505
• Add higher level explanations of RoCC + more resources by @nikhiljha in ucb-bar#1486
• Support banked/partitioned scratchpads by @jerryz123 in ucb-bar#1431
• Add dual-issue in-order "shuttle" core by @jerryz123 in ucb-bar#1495
• Improve peripheral fragments to include more peripheral devices and support instantiating multiple instances of same device by @T-K-233 in ucb-bar#1511

Changed

• Bump to latest rocket-chip/chisel3.5.6 by @jerryz123 in ucb-bar#1411
• Resolve merge conflicts in chisel3.5.6 bump by @jerryz123 in ucb-bar#1430
• PLL integration example + FlatChipTop/TestHarness by @jerryz123 in ucb-bar#1427
• bump testchipip by @joey0320 in ucb-bar#1434
• Fix ChipLikeQuadRocketConfig crossing by @jerryz123 in ucb-bar#1436
• Bump TestChipIp to improve default serial_tl behavior by @jerryz123 in ucb-bar#1435
• Bump testchipip to standardize TL serdesser bundle params by @jerryz123 in ucb-bar#1446
• Bump to Hammer 1.1.1 by @harrisonliew in ucb-bar#1451
• Always initialize fpga-shells with init-submodules.sh by @jerryz123 in ucb-bar#1456
• Support uni-directional TLSerdesser by @jerryz123 in ucb-bar#1476
• Move xcelium.mk out of top-level by @jerryz123 in ucb-bar#1482
• Set default config back to 1-channel by @jerryz123 in ucb-bar#1483
• Unify supernode/harness-clocking across chipyard/firesim/fpga by @jerryz123 in ucb-bar#1474
• Use fat jar's to remove SBT invocations by @abejgonzalez in ucb-bar#1375
• Bump to latest rocket-chip by @jerryz123 in ucb-bar#1475
• Improvements to chipyard clocking by @jerryz123 in ucb-bar#1489
• Downgrade cryptography | Pin linux sysroot by @abejgonzalez in ucb-bar#1494
• bump mempress by @joey0320 in ucb-bar#1498
• bump sha3 by @joey0320 in ucb-bar#1499
• Bump FireMarshal by @abejgonzalez in ucb-bar#1502
• Split NVDLA config out of ManyMMIOAccels config to reduce CI load by @jerryz123 in ucb-bar#1503
• Ignore barstools compilation if not needed by @abejgonzalez in ucb-bar#1504
• Disable NVDLA simulations in CI by @jerryz123 in ucb-bar#1507
• Update NoC example config to match new PRCI organization by @jerryz123 in ucb-bar#1509
• Bump gemmini by @jerryz123 in ucb-bar#1519

Fixed

• Various improvements and fixes by @jerryz123 in ucb-bar#1420
• Ensure conda cleanup regex properly filters out non-numeric chars by @abejgonzalez in ucb-bar#1425
• Clear screen on prompt by @abejgonzalez in ucb-bar#1449
• misc: many fixes to cospike by @tianrui-wei in ucb-bar#1450
• Uniquify module names that are common to Top & Model by @joey0320 in ucb-bar#1442
• Use pk/encoding.h for hello/mt-hello by @jerryz123 in ucb-bar#1454
• Fix no-uart configs by @jerryz123 in ucb-bar#1457
• Fix support for no-bootROM systems by @jerryz123 in ucb-bar#1458
• Check that HarnessClockInstantiator doesn't receive requests for similarly-named-clocks with different frequencies by @jerryz123 in ucb-bar#1460
• uniquify module names by @joey0320 in ucb-bar#1452
• Flip serial_tl_clock to be generated off-chip by @jerryz123 in ucb-bar#1445
• Move TestHarness to chipyard.harness, make chipyard/harness directory by @jerryz123 in ucb-bar#1463
• Separate out conda-lock generation into new script by @abejgonzalez in ucb-bar#1466
• Bump DRAMSim2 to avoid verbose log files by @jerryz123 in ucb-bar#1468
• Bump Verilator and use TestDriver.v as top by @abejgonzalez in ucb-bar#1398
• Add 1GB / 4GB DRAM firechip configs for FireSim VCU118 by @sagark in ucb-bar#1471
• Rename SerialAdapter+SimSerial to TSIToTileLink/SimTSI/TSIHarness by @jerryz123 in ucb-bar#1465
• Make BootAddrReg optional by @jerryz123 in ucb-bar#1464
• Fix vcd/fst/fsdb waveform generation by @jerryz123 in ucb-bar#1473
• Switch RTL sims to absolute clock-generators by @jerryz123 in ucb-bar#1472
• Generate objdump | check BINARY | cospike fixes by @jerryz123 in ucb-bar#1467
• Small QOL fixes for Xcelium by @abejgonzalez in ucb-bar#1485
• (VCU118 DDR HarnessBinder)Fix data field width mismatch between DDR AXI and TileLink MemoryBus by @jerryhethatday in ucb-bar#1487
• Force conda-lock to v1 by @abejgonzalez in ucb-bar#1492
• Loosen/tighten conda requirements | Fix conda-lock req by @abejgonzalez in ucb-bar#1497
• Misc Makefile Fixes by @abejgonzalez in ucb-bar#1496
• Bump constellation to fix interconnect FIFO-fixers by @jerryz123 in ucb-bar#1510
• [ci skip] Fix broken docs link by @jerryz123 in ucb-bar#1515
• Revert changes to peripheral fragments by @jerryz123 in ucb-bar#1518

New Contributors

• @tianrui-wei made their first contribution in ucb-bar#1450
• @jerryhethatday made their first contribution in ucb-bar#1487
• @nikhiljha made their first contribution in ucb-bar#1486

[1.9.1] - 2023-04-21

Various fixes for Linux boot, More Chip/bringup examples, Chisel 3.5.6 bump

Added

• QoL improvement to IOBinders + custom ChipTop example by @jerryz123 in ucb-bar#1399
• PLL integration example + FlatChipTop/TestHarness by @jerryz123 in ucb-bar#1427
• Bump TestChipIp to improve default serial_tl behavior by @jerryz123 in ucb-bar#1435
• Bump testchipip to standardize TL serdesser bundle params by @jerryz123 in ucb-bar#1446
• HarnessBinder asserts to catch bad clock generation by @jerryz123 in ucb-bar#1460

Changed

• New Scala-based Config Finder by @abejgonzalez in ucb-bar#1424
• Bump to latest rocket-chip/chisel3.5.6 by @jerryz123 in ucb-bar#1411
• Resolve merge conflicts in chisel3.5.6 bump by @jerryz123 in ucb-bar#1430
• bump testchipip by @joey0320 in ucb-bar#1434
• ADD: improve Makefile in tests/, add explicit arch flags by @T-K-233 in ucb-bar#1439
• Various submodule bumps by @abejgonzalez in ucb-bar#1448
• Support not instantiating tile reset/clock contorl features by @jerryz123 in ucb-bar#1459

Fixed

• Various improvements and fixes by @jerryz123 in ucb-bar#1420
• Ensure conda cleanup regex properly filters out non-numeric chars by @abejgonzalez in ucb-bar#1425
• Fix ChipLikeQuadRocketConfig crossing by @jerryz123 in ucb-bar#1436
• Uniquify module names that are common to Top & Model by @joey0320 in ucb-bar#1442
• Support for no-bootROM systems by @jerryz123 in ucb-bar#1458
• Support for no-UART systems by @jerryz123 in ucb-bar#1457

[1.9.0] - 2023-03-23

Faster FIRRTL build support work CIRCT. New software support for RISC-V GCC12 and Linux 6.2. Various bumps and fixes of all submodules.

Added

• Add example ring-only NoC Config by @jerryz123 in ucb-bar#1325
• Bump Gemmini by @hngenc, @jerryz123 in ucb-bar#1276 ucb-bar#1326
• Bump FireMarshal, Bump to newer RV toolchain (deprecate use of esp-tools for Gemmini) by @abejgonzalez, @jerryz123 in ucb-bar#1284 ucb-bar#1304 ucb-bar#1306 ucb-bar#1327 ucb-bar#1334 ucb-bar#1335 ucb-bar#1344 ucb-bar#1394 ucb-bar#1403 ucb-bar#1415
• Add support for VC707 FPGA board by @Lorilandly in ucb-bar#1278
• Fail simulations on TSI errors by @tymcauley in ucb-bar#1288
• Add pre-commit support by @abejgonzalez in ucb-bar#1294 ucb-bar#1310
• Bump mempress by @joey0320 in ucb-bar#1305
• CIRCT Integration by @abejgonzalez, @joey0320 in ucb-bar#1239 ucb-bar#1312 ucb-bar#1372 ucb-bar#1396
• Bump to scala 2.13.10/chisel 3.5.5/latest rocketchip by @jerryz123 in ucb-bar#1303
• Spike-as-a-Tile and use for co-simulation by @jerryz123 in ucb-bar#1307 ucb-bar#1323 ucb-bar#1360
• Add clone-tile configs by @jerryz123 in ucb-bar#1322
• New Hammer by @harrisonliew in ucb-bar#1324 ucb-bar#1368 ucb-bar#1374 ucb-bar#1369 ucb-bar#1410
• Config finder make target by @abejgonzalez in ucb-bar#1328 ucb-bar#1381
• Arty100T board + TSI-over-UART by @jerryz123 in ucb-bar#1345
• Add graphml visualization section to docs by @schwarz-em in ucb-bar#1387
• Add a frag./config for MMIO only FireSim bridges by @abejgonzalez in ucb-bar#1393
• Add log of chisel elaboration to generated src by @jerryz123 in ucb-bar#1400
• Xcelium support by @sagark in ucb-bar#1386
• Bump Sodor @a0u in ucb-bar#1338
• Bump Constellation by @jerryz123 in ucb-bar#1339

Changed

• remove RocketTilesKey by @SingularityKChen in ucb-bar#1264
• Move setup script to scripts/, use a symlink at top-level by @jerryz123 in ucb-bar#1271
• Decoupled sbus width from boom|hwacha|gemmini memory interface widths by @jerryz123 in ucb-bar#1273
• Remove conda from build-toolchains-extra.sh by @abejgonzalez in ucb-bar#1266
• Rework build-setup | Add single-node CI by @abejgonzalez in ucb-bar#1282
• Switch simulators to C++17. by @jerryz123 in ucb-bar#1285
• Init FPGA submodules in build-setup.sh by @abejgonzalez in ucb-bar#1292
• Stripped down rocket configs for FireSim testing by @t14916 in ucb-bar#1302
• Add more minimal firesim configs for testing by @t14916 in ucb-bar#1313
• Add workshop info to README.md by @sagark in ucb-bar#1314
• Removed FireSim tests and harnesses by @nandor in ucb-bar#1317
• Move boom's tracegen interface to boom submodule by @jerryz123 in ucb-bar#1331
• Split up RocketConfigs.scala by @jerryz123 in ucb-bar#1340
• Sky130/Openroad Tutorial Fixes by @nayiri-k in ucb-bar#1392
• Testing VLSI commands for chipyard tutorial by @nayiri-k in ucb-bar#1395
• Reduce test cases for noc-config in CI by @jerryz123 in ucb-bar#1359
• Remove TLHelper, directly use tilelink node constructors by @jerryz123 in ucb-bar#1358
• Remove chisel-testers submodule by @abejgonzalez in ucb-bar#1378
• Cache .ivy2 and .sbt within Chipyard root directory by @abejgonzalez in ucb-bar#1362

Fixed

• Remove extra parenthesis by @odxa20 in ucb-bar#1261
• Fixed typo in Initial-Repo-Setup.rst by @PisonJay in ucb-bar#1269
• fix: S-interpolator for assert, assume and printf by @SingularityKChen in ucb-bar#1242
• Revert "fix: S-interpolator for assert, assume and printf" by @jerryz123 in ucb-bar#1272
• changelog: fixed TinyRocketArtyConfig FPGA reset signal polarity (Please Backport) by @T-K-233 in ucb-bar#1257
• Fix CY logo in README by @abejgonzalez in ucb-bar#1295
• More files to gitignore by @abejgonzalez in ucb-bar#1297
• Bump rocket-dsp-utils for ShiftRegisterMem fix. by @milovanovic in ucb-bar#1298
• Set VLOGMODEL=MODEL by default in variables.mk by @jerryz123 in ucb-bar#1337
• Fix compile breaking due to merge conflict by @jerryz123 in ucb-bar#1321
• Makefile bug fixes by @abejgonzalez in ucb-bar#1336
• Fix Verilog Prerequisites + Ignore mv stdout by @abejgonzalez in ucb-bar#1406
• Fix Chisel hierarchy API - Fixes #1356 by @abejgonzalez in ucb-bar#1361
• Remove gen-collateral when rebuilding by @joey0320 in ucb-bar#1342
• Fix VLSI input files list emission to avoid bash "too many arguments" error by @sagark in ucb-bar#1348
• Small build system improvements by @abejgonzalez in ucb-bar#1349
• Fix socket name length issues on CI by @jerryz123 in ucb-bar#1353
• Fix TestDriver.v missing from gen-collateral after recompiling by @joey0320 in ucb-bar#1354
• Consolidate CI testing configs to improve CI runtime by @jerryz123 in ucb-bar#1352
• Remove Duplicate Compiler Flags by @joey0320 in ucb-bar#1351
• fpga makefile clean fix by @joey0320 in ucb-bar#1357
• Fix newline in message in build-setup.sh by @jerryz123 in ucb-bar#1365
• Update assert message if configs can't be split by : by @abejgonzalez in ucb-bar#1373
• Remove Duplicate Compiler Flags by @joey0320 in ucb-bar#1367
• Move more tmp/ folders to a unique location by @abejgonzalez in ucb-bar#1382
• Remove stale conda env's after 2 days by @abejgonzalez in ucb-bar#1389
• Match CY/FireSim deps | Unpin deps | Update lockfiles by @abejgonzalez in ucb-bar#1391
• Only support HTML docs by @abejgonzalez in ucb-bar#1401
• Only HTML docs v2 by @abejgonzalez in ucb-bar#1402
• Fix ANSI color output by @jerryz123 in ucb-bar#1407
• Fix chisel elab errors not causing flow to stop by @jerryz123 in ucb-bar#1409
• lean gemmini tutorial by @sagark in ucb-bar#1413

[1.8.1] - 2022-10-18

Various fixes and improvements, bump FireSim to 1.15.1.

Added

• Bump chipyard to integrate mempress #1253

Changed

• Default VCS simulators should generate FSDB #1252
• Bump to FireSim 1.15.1 for various improvements #1258

Fixed

• Revert to using sbt-launch.jar to run SBT #1251
• Fix open files issue automatically on systems with a sufficiently large hard limit, to work around buildroot bug. #1258
• Fixed PATH issues in generated env.sh #1258
• Fixed scripts/repo-clean.sh to restore clean repo state again #1258

[1.8.0] - 2022-09-30

Adds support for NoC-based interconnects with Constellation (https://constellation.readthedocs.io/en/latest/). Switch to Conda for dependency/environment management. Bump Rocket Chip and other hardware libraries. Bump to FireSim 1.15.0.

Added

• RTL: Support for packet-switched NoC-based TileLink main bus interconnects with Constellation
• Conda: Support setting up a Chipyard development environment through Conda
• Hammer: Fully open-source Sky130 flow tutorials in open-source and commercial tools
• Hammer: IR key history
• Hammer: Joules power analysis support
• Hammer: Tempus STA support

Changed

• RTL: Default memory-mapped addresses for fft/dsp/example MMIO accelerators changed to be non-overlapping
• Repo: Update SiFive submodules to new chipsalliance upstreams
• Rocketchip: Bumped to 1.6
• Chisel: Bumped to 3.5.2
• Firesim: Bumped to 1.15.0
• Firemarshal: Bumped to latest

Fixed

• RTL: Fix clock frequency rounding
• Hammer: VCS FGP is now opt-in
• Dromajo: Fix to variable definition
• Testchipip: Fix write-strobe handling for 64B configurations
• Build: Ignore dotfiles in lookup_srcs

[1.7.1] - 2022-07-06

FireSim bump for new builddriver command and various fixes. See FireSim 1.14.1 CHANGELOG.md.

Changed

• Bump FireSim to 1.14.1

[1.7.0] - 2022-06-18

FireSim bump for local (on-premises) FPGA and distributed metasimulation support. Hammer now supports the OpenROAD open-source EDA tools for a fully open-source RTL-to-GDS VLSI flow.

Added

• Add a FireSim config with no mem port (#1172)
• Hammer OpenROAD plugins: Yosys (syn), OpenROAD (par), Magic (drc), Netgen (lvs) (#1183)

Changed

• Bump FireSim to 1.14.0
• Give the PRCI widgets valnames to clean up module naming (#1152)

Fixed

• Add missing Apache commons dependencies (fixes #1144) (#1147)
• Disable Boost for spike (#1168)
• VCS enhancements (#1150)
  • Support multi-thread VCS simv option like FGP, Xprof etc.
  • Idle tsi in the target thread
• Don't shallow clone submodules (revert #1064) (#1143)
• Remove extra spaces in FPGA makefile (#1135)

[1.6.3] - 2022-04-06

FireSim bump for various fixes. Revert shallow cloning. Various CI fixes.

Fixed

• Bump to FireSim 1.13.4 (changelog: https://github.com/firesim/firesim/blob/1.13.4/CHANGELOG.md#1134---2022-04-06)
• Revert shallow cloning.
• Various CI fixes.

[1.6.2] - 2022-03-01

Minor fixes to FireSim.

Fixed

• Bump to FireSim 1.13.3 (#1134)

[1.6.1] - 2022-03-01

Minor fixes to FireSim.

Fixed

• Bump to FireSim 1.13.2 (#1133)

[1.6.0] - 2022-02-15

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#913

Added

• Diplomatic IOBinder-like approach to setting up PRCI across different deployment targets (#900)
• Default set of MMIO-controlled reset-setters and clock-gaters (#900)
• Added simulation makefile options torture and torture-overnight for running Torture (#992)
• FSDB waveform support (#1072, #1102)
• Use GitHub Actions for CI (#1004, #999, #1090, #1092)
• Add MAKE variable in build-toolchains.sh (#1021)
• Cleanup GH issue and PR templates (#1029, #1032)
• Add support for Ibex core (#979)
• Add system bus width fragment (#1071)
• Add support for FSDB waveform files (#1072, #1102)
• Document simulator timeout settings (#1094)
• Add FFT Generator (#1067)
• Add waveforms for post-PNR and power (#1108)
• Have PRCI control registers use clock of corresponding bus (#1109)
• Add check to verify that user is running on tagged release (#1114)
• Hammer tutorial in Sky130 (#1115)

Changed

• Bump CVA6 (#909 )
• Bump Hammer tutorial for ASAP7 r1p7 (#934)
• Use Published Chisel, FIRRTL, Treadle, FIRRTLInterpreter packages instead of building from source. #1054
• Change serialTL width to 32. Speeds up simulations (#1040)
• Update how sbt flag is overridden (by using SBT_BIN variable) (#1041)
• Use published dependencies for Chisel, FIRRTL, Treadle, and FIRRTLInterpreter (#1054)
• Split ConfigFragments.scala into multiple files (with more organization) (#1061)
• Avoid initializing nvdla software by default (#1063)
• Update ASAP to 1.7 in Hammer (#934)
• Shorten Gemmini docs and point to repo (#1078)
• Bump Gemmini to 0.6.2 (#1083)
• Use python2 for tracegen script (#1107)
• Bump to Chisel/FIRRTL 3.5.1 (#1060, #1113)
• Bump to FireMarshal 1.12.1 (#1116)
• Bump to FireSim 1.13.0 (#1118 )

Fixed

• Fix UART portmap for Arty (#968)
• Support changing make variable MODEL from the cmdline (#1030)
• Force FIRRTL to 1.4.1 (#1052)
• Fix MMIO IOBinder (#1045)
• Mask fd warning when running make (#1057)
• Fix Sodor 5-stage hazard check (#1086)
• Fix Sodor val io issue (#1089)
• Fix BOOM reference in Readme (#1104)
• Fix waveforms for post-P&R power analysis (#1108)

Removed

• Remove duplicate WithUARTIOCells fragment (#1047)
• Remove MaxPermSize in java variables (#1082)
• Remove support for CircleCI (#1105)

[1.5.0] - 2021-06-13

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#773

Added

• FireMarshal support for FPGA prototypes (#849)
• Hammer update to include power estimation flows, rail analysis, hierarchical sim support, and improved ASAP7 plugin with dummy SRAMs (#886)
• Docker image
• Support specifying architecture when building tools. (#802)
• Add Config fragments: WithMultiRoCCFromBuildRoCC, PMP (#809, #821)
• Add support for simulating an AXI memory interface over the default TL serial link (#812)
• Add option to add async queues between chip-serialIO and harness serdes (#828)
• Spike support for multiple extensions, and add sha3 spike model to esp-tools (#837, #897)
• Default generator support for I2C and PWM (#885)

Changed

• Gemmini bump to version 0.5
• FireSim bump to version 1.12
• FireMarshal bump to version 1.12
• Changes default FireSim frequency from 3.2 GHz (dual clock domains) to 1 GHz (single clock domain)
• Bump pygments from 2.2.0 to 2.7.4 in docs
• Hammer tutorial example is now a TinyRocketConfig (#886)
• Sha3 Spike model moved from sha3 repo to esp-isa-sim

Fixed

• Avoid permissions conflict on shared protocjar.webcache (#774)
• Passing MBus clock frequency to SimDRAM (#790)
• Fix parsing of --ignore-qemu option (#791)
• FPGA Prototype - Support Adding Pullup R's to Bringup GPIOs (#806)
• Use "tile" instead of "core" to assign frequencies in WithTileFrequency config. fragment (#807)
• Fix IOCell generation for clock and reset to use IOCellKey (#824)
• Fix TileResetCtrl to be ahead of reset synchronizers (#826)
• Fix memory alignment in character count RoCC test (#853)
• Synchronize JTAG reset to JTAG.TCK. (#859)
• Updates to system requirements scripts (#874)
• Rocket-dsp-utils integration and cleanup for dsptools (#888)

Removed

• Dummy DCO collateral from Hammer tutorial example (#886)

[1.4.0] - 2021-01-19

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#599

Added

• OpenSBI Support (#633)
• Support for Diplomacy-based clocking (#614, #682)
• Support for Diplomacy-based IOBinders (#699)
• Sodor core integration (#648)
• Simple Divider-Only PLL for Multiclock RTL Simulation (#676)
• Enable parallel Hammer simulations (#600)
• OpenRoad nangate45 Hammer backend (#608)
• Add support for "LBWIF" backing memory through serialized TileLink (#673)
• Add variable to control FIRRTL logging verbosity (#627)
• Add RANDOM_SEED variable to set random init for VCS and Verilator simulations (#629)
• Fast LoadMem support (#635)
• Multithreaded Verilator (#654)
• Support for custom Verilator optimization flags (#728)
• Add config-fragment to use broadcast manager instead of L2 for coherence (#721)
• Added optional ignore QEMU flag to build-toolchains.sh (#709)
• Split JAVA_ARGS into JAVA_OPTS and SBT_OPTS (#719)
• Experimental support for SBT thin client. Enable with export ENABLE_SBT_THIN_CLIENT=1 (sbt/sbt#5620) (#719)
• Helper make targets to launch SBT console (sbt) and shutdown/start thin server (<start/shutdown>-sbt-server) (#719)
• Allow users to override CC and CXX for build-toolchains.sh (#739)
• Support VCU118/Arty local FPGA prototypes through fpga-shells (#747)
• A 16-core LargeBOOM configuration has been added to FireChip to highlight the resource-optimizing platform configurations added to FireSim in firesim/firesim#636 (#756)

Changed

• Bump Chisel to 3.4.1.x (#742, #719, #751)
• Bump RocketChip to a7b016e (#742, #719)
• Bump FireSim to 1.11
• Bump Gemmini to v0.5
• Bump to SBT 1.4.4 (#719)
• Split IOBinders into IOBinders and HarnessBinders | punch out clocks to harness for simwidgets and bridges (#670, #674)
• Have FireSim build recipes use Chipyard configs rather than FireChip configs (#695)
• FireMarshal boot default to OpenSBI rather than BBL (#633)
• Override default baud rate for FireChip (#625)
• DTM only supports HTIF in DMI mode (#672)
• Unify HTIF implementation between Chipyard and Firesim (#683)
• Renamed Ariane to CVA6 (#710)
• build.sbt refactoring/fixes for RC/Chisel/Firrtl bump (#719)
• Use ; x; y; z; syntax to run multiple SBT commands (#719)
• CI Improvements: Cleanup check-commit printout. Don't transfer .git folders. (#750)

Fixed

• Multi-SHA3 configs (#597)
• Allow dramsim_ini folder to be set at the command line (#598)
• Emit HTIF Node in device tree (#607)
• Fixes for AXI4 MMIO and FBus ports (#618)
• Only punch realistic subset of DebugIO through chiptop | default to JTAG+Serial (#664)
• IceNet bug fixes (#720)
• smartelf2hex.sh bug fixes (#677, #693)
• env.sh zsh compatibility (#705)
• build-toolchains.sh bug fixes (#745 #739)
• Bump Dromajo to work with older version of glibc (#709)

Removed

• Support for synchronous ChipTop reset (#703)
• Split JAVA_ARGS into JAVA_OPTS and SBT_OPTS (#719)

[1.3.0] - 2020-05-31

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#500

Added

• A new Top-level module, ChipTop, has been created. ChipTop instantiates a "system" module specified by BuildSystem. (#480)
• A new BuildSystem key has been added, which by default builds DigitalTop (#480)
• The IOBinders API has changed. IOBinders are now called inside of ChipTop and return a tuple3 of (IO ports, IO cells, harness functions). The harness functions are now called inside the TestHarness (this is analogous to the previous IOBinder functions). (#480)
• IO cell models have been included in ChipTop. These can be replaced with real IO cells for tapeout, or used as-is for simulation. (#480)
• CI now checks documentation changes (#485)
• Support FireSim multi-clock (#468)
• Allows make variables to be injected into build system (#499)
• Various documentation/comment updates (#511,#517,#518,#537,#533,#542,#570,#569)
• DSPTools documentation and example (#457, #568)
• Support for no UART configs (#536)
• Assemble firrtl-test.jar (#551)
• Add SPI flash configurations (#546)
• Add Dromajo + FireSim Dromajo simulation support (#523, #553, #560)
• NVDLA integration (#505, #559, #580)
• Add support for Hammer Sim (#512,#581,#580,#582)

Changed

• Bump FireSim to version 1.10 (#574,#586)
• Bump BOOM to version 3.0 (#523, #574,#580)
• Bump Gemmini to version 0.3 (#575, #579)
• Bump SPEC17 workload (#504, #574)
• Bump Hwacha for fixes (#580)
• Bump SHA3 for Linux 5.7rc3 support (#580)
• Bump Rocket Chip to commit 1872f5d (including stage/phase compilation) (#503,#544)
• Bump FireMarshal to version 1.9.0 (#574)
• Chisel 3.3 and FIRRTL 1.3 (#503,#544)
• BuildTop now builds a ChipTop dut module in the TestHarness by default (#480)
• The default for the TOP make variable is now ChipTop (was Top) (#480)
• Top has been renamed to DigitalTop (#480)
• Bump libgloss (#508, #516, #580)
• The default version of Verilator has changed to v4.034 (#547). Since this release adds enhanced support for Verilog timescales, the build detects if Verilator v4.034 or newer is visible in the build environment and sets default timescale flags appropriately.
• Use Scalatests for FireSim CI (#528)
• Cleanup Ariane pre-processing (#505)
• Modify Issue Template to be more explicit (#557)
• FireChip uses Chipyard generator (#554)
• Have all non-synthesizeable constructs in test harness (#572)

Fixed

• Aligned esp-tools spike with Gemmini (#509)
• Fix debug rule in Verilator (#513)
• Clean up SBT HTTP warnings (#526,#549)
• Artefacts dropped in FireSim (#534)
• Working IceNet + TestChipIP Unit Tests (#525)
• Don't initialize non-existent Midas submodule (#552)
• Verilator now supports +permissive similar to VCS (#565)
• Fix direction of IOCell OE (#586)

Deprecated

• N/A

Removed

• Removed MIDAS examples CI (until a better solution that is faster is found) (#589)

[1.2.0] - 2020-03-14

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#418

Added

• Ring Topology System Bus NoC (#461)
• Integration of the Ariane core into Chipyard (#448)
• FireMarshal now generates an extra copy of linux kernel with dwarf debugging info for use in FirePerf (#427)
• Add option to use blackboxed SimDRAM instead of SimAXIMem (#449)
• Log init-submodules script (#433)
• Moved the Docker image used for CI into Chipyard (prev. in BOOM) (#463)

Changed

• Bump FireSim to 1.9.0 - Includes FirePerf TracerV Flame Graph features
• IOBinders and BuildTop unification between FireChip and Chipyard (#390)
• Bump BOOM to version 2.2.4 (#463)
• Bump Gemmini to version 0.2 (#469)
• Update to CircleCI 2.1 config. syntax and cleanup CI file (#421)
• FireMarshal moved from FireSim to Chipyard (#415)
• Rename config. mixins to config fragments (#451)

Fixed

• git status should be clean. (Although you will need to manually cleanup the libgloss and qemu directories after first setup). (#411, #414)
• Fix Hetero. BOOM + Rocket + Hwacha config (#413)
• Fix VCS stdout (#417)
• Add a git version check to the init scripts and make them work outside of the repo root (#459)
• Fix generation of env.sh for zsh (#435)
• GCD example bug (#465)

Deprecated

• N/A

Removed

• N/A

[1.1.0] - 2020-01-25

A more detailed account of everything included is included in the dev to master PR for this release: ucb-bar#367

Added

• Gemmini generator and config (PR #356 )
• Coremark + SPEC2017 benchmarks (PR #326, #338, #344)
• Add Hwacha tests to CI (PR #284)
• Add Hwacha tests to benchmark and assembly test suites (PR #284)
• Added Hwacha + Large Boom Config (PR #315)
• Add multi-core config with a small Rocket core attached on the side (PR #361 )
• Add UART and Test Harness UART Adapter to all configurations (PR #348)
• User can specify $RISCV directory in build-toolchains.sh (PR #334)
• Checksum offload in IceNet (PR #364)

Changed

• Rocketchip bumped to commit 4f0cdea, for chisel version 3.2.0 which includes Async reset support
• FireSim release 1.8.0
• FireMarshal release 1.8.0
• BOOM release 2.2.3 (PR #397)
• baremetal software toolchains, using libgloss and newlib instead of in-house syscalls.
• Add toolchain specific env.sh (PR #304)
• run-binary-like interface now dumps .log (stdout) and .out (stderr) files (PR #308)
• Split the VLSI build dir on type of design (PR #331)
• Reduce Ctags runtime and only look at scala, C, C++, and Python files (PR #346)
• Top/Top-level-traits now behave as a configurable generator (PR #347)
• Test suite makefrag generator includes Hwacha test suites (PR #342)

Fixed

• Fix VLSI makefile requirements for SRAM generation (PR #318)
• Only filter header files from common simulation files (PR #322)
• Bump MacroCompiler for bugfixes (PR #332)
• commit-on-master check has specific behavior based on source branch (PR #345)
• Makefile filtering of blackbox resource files only omits .h files (PR #322)
• Parallel make fixed (PR #386 #392)

Deprecated

• No longer need to specify WithXTop, default Top is a generator for all Tops (PR #347)

Removed

• N/A

[1.0.0] - 2019-10-19

Added

• This repository used to be "project-template", a template for Chisel-based projects. Through tighter integration of multiple projects from the Berkeley Architecture Research group at UC Berkeley, this repository is re-released as Chipyard - a framework for agile hardware development of RISC-V based Systems-on-Chip.