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CHANGELOG

This project adheres to Semantic Versioning.

Please note the header WIP-DEV is to always remain indicating the changes done on the dev branch. Only when a release to the main branch is done, the contents of the WIP-DEV are put under a versioned header while the WIP-DEV is left empty

[WIP-DEV]

  • Updating CONTRIBUTING.rst to capture the new git strategy adopted to follow a monthly release cadence.
  • Add pluggy to install_requires and move pytest to tests_requirements.txt
  • Added pmpaddr0 to pmpaddr15 registers for coverage of Physical Memory Protection
  • Minor fix to compressed immediate decoding and compressed register decoding
  • Modified the regular expression to correctly match and return 'reg_commit' for registers x1 to x9.
  • Changed compressed immediate decoding and added comments for readability

[0.18.0] - 2023-07-26

  • Add support to decode compressed instructions

[0.17.0] - 2022-10-25

  • Improve data propagation reports to capture multiple signature updates per coverpoint
  • Add a CLI flag to explicitly log the redundant coverpoints while normalizing the CGF files

[0.16.1] - 2022-10-20

  • Fix length of commitval to 32 bits if flen is 32 for f registers in sail parser.

[0.16.0] - 2022-09-28

  • Refactored the instruction object class

[0.15.0] - 2022-08-25

  • Added support for instruction aliases

[0.14.0] - 2022-08-08

  • Add fields to instruction object
  • Enable generic coverage evaluation mechanisms for floating point instructions
  • Fix coverpoint generation to account for nan boxing of fp instructions.
  • Add fields(frm, fcsr, nan_prefix) for fp instructions

[0.13.2] - 2022-05-23

  • Error reporting for missing coverlabel in cgf file

[0.13.1] - 2022-05-07

  • Fix mistune version for doc builds.

[0.13.0] - 2022-05-02

  • Covergroup format revised.
  • Added support for Pseudoinstructions for coverage computation.

[0.12.0] - 2022-04-15

  • Parallelized coverage computation.
  • Added feature to remove coverpoints when hit.
  • Added CLI option to specify number of processes to be spawned.
  • Added CLI option to turn on/off feature to remove hit coverpoints.

[0.11.0] - 2022-04-03

  • Added plugins to use new rvopcode format
  • Added CLI option to setup rvopcode plugin

[0.10.2] - 2022-03-15

  • Added method to generate data patterns for bitmanip instructions

[0.10.1] - 2022-02-10

  • Added vxsat to supported csr_regs
  • Added comments to coverpoint functions for P-ext
  • Removed unused tuple type for bit_width parameters in P-ext coverpoint functions

[0.10.0] - 2022-01-27

  • Added support for instructions from B extension.
  • Bug fix for bgeu instruction.

[0.9.0] - 2022-01-07

  • Added support for P extension cover point generation and instruction decoding.
  • Allowed an instruction to generate results in multiple registers.

[0.8.0] - 2021-10-30

  • Added cross combination coverage support.

[0.7.3] - 2021-09-02

  • Updated logger to enable logging for API calls.

[0.7.2] - 2021-08-18

  • Added decoding support for K extension instructions based on latest spec

[0.7.1] - 2021-08-12

  • Bug fix for error while using byte_count with overlap = Y.

[0.7.0] - 2021-08-11

  • Adding support for floating point extension coverpoints
  • Bug fixes for instruction decoder and improved pretty printing.
  • fix for uninitialized total_categories variable in coverage.
  • fixed CONTRIBUTING.rst file

[0.6.6] - 2021-08-03

  • Bug fix for error while decoding instruction name

[0.6.5] - 2021-07-14

  • Bug fix for error while generating Data Propagation Report.

[0.6.4] - 2021-07-08

  • Added support for CSR coverage and its architectural state
  • Updated the merge function to support multiprocessing
  • Added a parameter '-p' ( number of processes ) in merge command
  • Documentation update for CSR coverpoints
  • Return value of parsers changed from 5 independent values (hexcode, addr, reg commmit, csr commit, mnemonics) to instruction object updated with these values
  • Argument of decode and all decoding functions (in internaldecoder) changed from hexcode and addr to instruction object

[0.6.3] - 2021-06-24

  • Documentation updates to reflect plugin usage.
  • Minor bug fixes in coverage reporting.
  • Improved CLI help messages.

[0.6.2] - 2021-06-15

  • Added parser plugins for sail and spike
  • Added decoder plugin
  • Added arguments in main.py for custom plugin paths and names.

[0.6.1] - 2021-06-11

  • Added initial support for F extension coverpoints based on IBM models.
  • Added support for F extension architectural state
  • Fixed author information and repo link in setup.py

[0.6.0] - 2021-05-27

  • added support in parsers for K-scalar crypto instructions
  • added support for abstract functions: uniform random, byte-count, leading-ones, leading-zeros, trailing-ones, trailing-zeros
  • now maintain a separate list of instructions which require unsigned interpretation of rs1 and rs2.
  • restructured coverage report handling to preserve comments throughout processing and merging.
  • switched yaml to a round-trip parser for preserving comments

[0.5.2] - 2021-02-23

  • Moved ci to github actions
  • fixed links in docs

[0.5.1] - 2020-12-14

  • Fixed operand signedness for m ext ops.

[0.5.0] - 2020-11-18

  • added support to take multiple cgf files as input. The order matters
  • added support for abstract function of special dataset

[0.4.0] - 2020-11-10

  • added special data set for r-type instructions
  • fixed data propagation report generation and templates
  • using classes to manage architectural state and statistics
  • updated docs

[0.3.1] - 2020-10-26

  • use logger instead of log in coverage.py

[0.3.0] - 2020-10-26

  • Adding support for Data propagation report generation
  • Added 'sig-label' as the new cli option under coverage to capture DP reports
  • Added support in sail parsers to extract mnemonics also from the trace file
  • added pytablewriter as part of the requirements

[0.2.0] - 2020-10-23

  • Added documentation for CGF and usage
  • Added normalization routine as cli
  • Added abstract functions
  • using click for cli
  • adding parsers for sail and spike
  • added support for filtering based on labels
  • added merge-reports cli command

[0.1.0] - 2020-06-25

  • initial draft