Issues

• HAMMER not supporting the latest ASAP7 version (asap7sc7p5t_28)

  enhancement
  ucb-bar/hammer#905 · Filter by author raphaelrowley opened on Jul 26, 2026

• How to inject some Tcl code between synthesis and implementation stages for Vivado

  ucb-bar/hammer#903 · Filter by author m-kru opened on Mar 11, 2026

• Handling multiple, scoped, optional constraint files

  ucb-bar/hammer#902 · Filter by author m-kru opened on Mar 9, 2026

• Xcelium reported multiple "Unknown option *** "

  bug
  ucb-bar/hammer#898 · Filter by author idwwwoqq808 opened on Oct 29, 2025

• Is this project actively maintained?

  ucb-bar/hammer#895 · Filter by author osamimi opened on Sep 13, 2025
  5

• Adding action for Automatic Test Pattern Gneration (ATPG)

  enhancement
  ucb-bar/hammer#894 · Filter by author franout opened on Sep 9, 2025

• Add default empty value for lvs.icv.equiv_files key

  bug
  ucb-bar/hammer#885 · Filter by author sunjin-choi opened on Feb 21, 2025
  

• find_regs_paths.json not escape registers correctly, causing post-synthesis simulation to fail

  bug
  ucb-bar/hammer#884 · Filter by author cedard234 opened on Feb 15, 2025

• 2 Problems about VLSI Flow

  bug
  ucb-bar/hammer#874 · Filter by author exhaust-create opened on Aug 31, 2024

• DC plugin doesn't work

  ucb-bar/hammer#860 · Filter by author exhaust-create opened on May 13, 2024
  2

• Option for additional command line arguments for tools

  enhancement
  ucb-bar/hammer#786 · Filter by author krabo0om opened on May 9, 2023
  1

• ASAP7 "Foundry" SRAMs

  enhancement
  ucb-bar/hammer#739 · Filter by author harrisonliew opened on Mar 13, 2023
  1

  

• VCS -top option is ambiguous

  low prioritySynopsys
  ucb-bar/hammer#771 · Filter by author harrisonliew opened on Feb 3, 2023

• Investigate VPD, FSDB Support

  bugCadencehelp wantedhigh priority
  ucb-bar/hammer#769 · Filter by author harrisonliew opened on Jun 16, 2022
  3

  

• GDS Map File for Innovus and Voltus are in different formats

  bugCadencelow priority
  ucb-bar/hammer#768 · Filter by author harrisonliew opened on Feb 5, 2022

• Hang if subprocess spawns dependent subprocess

  advanced PRbuglow priorityusability
  ucb-bar/hammer#630 · Filter by author harrisonliew opened on Jan 25, 2022
  1

• Hierarchical mode needs unit tests

  enhancementhierarchicallow priority
  ucb-bar/hammer#627 · Filter by author harrisonliew opened on Dec 29, 2021

• Evaluate/support new ASAP7 6-track library

  enhancementlow priority
  ucb-bar/hammer#624 · Filter by author harrisonliew opened on Oct 22, 2021
  5

• Add different SRAM initialization modes to ASAP7 plugin

  beginner PRenhancementlow priority
  ucb-bar/hammer#623 · Filter by author dpgrubb13 opened on Oct 15, 2021

• Power straps bbox should be implemented

  APIbeginner PRenhancementlow priorityusability
  ucb-bar/hammer#617 · Filter by author harrisonliew opened on Aug 13, 2021

• Rename hammer.d -> hammer.mk

  beginner PRChipyardlow priority
  ucb-bar/hammer#616 · Filter by author jwright6323 opened on Aug 13, 2021
  1

• place_pins and place_bumps steps usually mutually exclusive

  beginner PRCadenceenhancementlow priorityusability
  ucb-bar/hammer#767 · Filter by author harrisonliew opened on Feb 20, 2021
  1

• Hierarchical flat mode doesn't properly set synthesis inputs

  beginner PRhierarchicallow priorityusability
  ucb-bar/hammer#589 · Filter by author colinschmidt opened on Aug 7, 2020
  1

• SDCTool should support generating unit setter

  beginner PRenhancementlow prioritySDC
  ucb-bar/hammer#588 · Filter by author colinschmidt opened on Jul 20, 2020

• vcs sim flow doesn't include -e configs in dict

  buglow priorityusability
  ucb-bar/hammer#587 · Filter by author growly opened on Jul 19, 2020
  1