Chipyard 1.4.0 Release

[jerryz123]

Developers: Please add descriptions of your changes to this PR as your PRs are merged into Dev

Added

• OpenSBI Support (Opensbi #633)
• Support for Diplomacy-based clocking (Diplomatic multiclock #614, Add tile-reset control registers | multiclock fixes #682)
• Support for Diplomacy-based IOBinders (Support diplomatic IOBinders #699)
• Sodor core integration (Sodor Integration #648)
• Simple Divider-Only PLL for Multiclock RTL Simulation (Simple Divider-Only PLL for Multiclock RTL Simulation #676)
• Enable parallel Hammer simulations (Enable parallel hammer simulations #600)
• OpenRoad nangate45 Hammer backend (OpenROAD complete backend with nangate45 #608)
• Add support for "LBWIF" backing memory through serialized TileLink (Serial-tilelink backing memory #673)
• Add variable to control FIRRTL logging verbosity (Add variable to control FIRRTL logging verbosity #627)
• Add RANDOM_SEED variable to set random init for VCS and Verilator simulations (Add RANDOM_SEED variable to set random init for VCS and Verilator simulations #629)
• Fast LoadMem support (Implement fast loadmem feature #635)
• Multithreaded Verilator (Multithreaded Verilator #654)
• Support for custom Verilator optimization flags (Allow custom verilator optimization flags #728)
• Add config-fragment to use broadcast manager instead of L2 for coherence (Add config fragment for replacing L2 with broadcastManager #721)
• Added optional ignore QEMU flag to build-toolchains.sh (Bump Dromajo | Optional ignore QEMU toolchain flag #709)
• Split JAVA_ARGS into JAVA_OPTS and SBT_OPTS (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Experimental support for SBT thin client. Enable with export ENABLE_SBT_THIN_CLIENT=1 (sbtn, native thin client (nearly instantaneous startup) sbt/sbt#5620) (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Helper make targets to launch SBT console (sbt) and shutdown/start thin server (<start/shutdown>-sbt-server) (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Allow users to override CC and CXX for build-toolchains.sh (Disable CC and CXX overrides for libgloss build #739)
• Support VCU118/Arty local FPGA prototypes through fpga-shells (Local FPGA Support - Arty/VCU118 #747)
• To highlight the resource-optimizing platform configurations added to FireSim in Add platform config options to selectively enable model multithreading firesim/firesim#636, a 16-core LargeBOOM configuration has been added to FireChip (Add 16-core LargeBOOM config to firechip #756)

Changed

• Split IOBinders into IOBinders and HarnessBinders | punch out clocks to harness for simwidgets and bridges (Split IOBinders into IOBinders and HarnessBinders | punch out clocks to harness for simwidgets and bridges #670, Undo regression in iocells flexibility #674)
• Have FireSim build recipes use Chipyard configs rather than FireChip configs (Have FireSim build recipes use Chipyard configs rather than FireChip configs #695)
• FireMarshal boot default to OpenSBI rather than BBL (Opensbi #633)
• Override default baud rate for FireChip (Override default baud rate for FireChip #625)
• DTM only supports HTIF in DMI mode (DTM only supports HTIF in DMI mode #672)
• Unify HTIF implementation between Chipyard and Firesim (Unify htif implementation with firesim #683)
• Update to Chisel 3.4.1.x (and other bumps) (Bump rc chisel firrtl 3.4.1.x #742, Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719, Bump chisel-testers back to freechipsproject #751)
• Renamed Ariane to CVA6 (Rename Ariane to CVA6 #710)
• build.sbt refactoring/fixes for RC/Chisel/Firrtl bump (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Bump to SBT 1.4.4 (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Use ; x; y; z; syntax to run multiple SBT commands (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• CI Improvements: Cleanup check-commit printout. Don't transfer .git folders. (Small CI Cleanup + CI Fix #750)

Fixed

• Multi-SHA3 configs (Bump sha3 for multi-sha fix #597)
• Allow dramsim_ini folder to be set at the command line (Allow dramsim_ini folder to be set at the command line #598)
• Emit HTIF Node in device tree (Emit htif node in device tree #607)
• Fixes for AXI4 MMIO and FBus ports (Fixes for AXI4 MMIO and FBus ports #618)
• Only punch realistic subset of DebugIO through chiptop | default to JTAG+Serial (Only punch realistic subset of DebugIO through chiptop | default to JTAG+Serial #664)
• IceNet bug fixes (Icenet tap fixes #720)
• smartelf2hex.sh bug fixes (Fix smartelf2hex.sh creating files 64x the minimum size #677, Update smartelf2hex to use MemSiz instead of FileSiz #693)
• env.sh zsh compatibility (Fix env.sh zsh compatibility #705)
• build-toolchains.sh bug fixes (Update MINGIT version to 1.8.5 #745 Disable CC and CXX overrides for libgloss build #739)
• Bump Dromajo to work with older version of glibc (Bump Dromajo | Optional ignore QEMU toolchain flag #709)

Removed

• Support for synchronous ChipTop reset (Make the ChipTop reset pin always async #703)
• Split JAVA_ARGS into JAVA_OPTS and SBT_OPTS (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)
• Removed bloop support (Chisel 3.4, FIRRTL 1.4 and Rocket Chip November Bump #719)

[alonamid]

godspeed 1.4