CHANGELOG.md

Changelog

This project adheres to Semantic Versioning.

[3.17.0] - 2024-01-09

• support march generation without custom extensions

[3.16.0] - 2024-01-03

• use the "hartX" naming for the merged dict
• improve logging statements
• update the "fields" node of each csr in the normalized custom yaml

[3.15.0] - 2024-01-01

• Added function that returns the march and mabi for gcc from a given ISA

[3.14.3] - 2023-12-01

• Add support for Zimop extension

[3.14.2] - 2023-12-01

• Add Zcmop extension.

[3.14.1] - 2023-12-01

• Add support for Zicfilp and Zicfiss extensions

[3.14.0] - 2023-11-30

• Include Sdext in the list of S extensions

[3.13.4] - 2023-10-30

• Add support for Zabha extension

[3.13.3] - 2023-09-23

• do not assign subfield to None

[3.13.2] - 2023-09-20

• Perform satp checks only when the CSR is accessible.

[3.13.1] - 2023-08-21

• Add support for Code Size Reduction (Zce) extension

[3.13.0] - 2023-08-14

• Fixed issue #110
• Fixed issue #108
• Fixed issue #114
• Fixed issue #127
• Fixed issue #82
• Fixed issue #103
• updated contribution guidelines on versioning
• added docs for indexed CSRs

[3.12.0] - 2023-08-12

• Add support for Svadu extension

[3.11.0] - 2023-08-12

• Add support for Zacas extension

[3.10.0] - 2023-08-12

• Add support for Zfa extension

[3.9.2] - 2023-07-21

• Fix Checks for FCSR, FFLAGS and FRM to depend on F instead of U.

[3.9.1] - 2023-06-21

• Check if YAMLs are None before they're merged for performing CSR checks.
• Perform XLEN specific satp checks based on XLEN value.
• Check triggers only when debug CSRs are available.

[3.9.0] - 2023-05-06

• Add support to include hidden uarch dependencies in YAML definitions of CSRs.
• Perform checks on all CSRs together instead of handling each spec seperately.
• Add a schema for custom CSR specification. Add a node for listing uarch signals.

[3.8.1] - 2023-04-25

• fix the address for mnstatus

[3.8.0] - 2023-04-18

• Add support for Srnmi extension
• All extension existence checks to be performed on extension_list from isa validator.

[3.7.2] - 2023-04-06

• Add support for Zicond extension

[3.7.1] - 2023-03-14

• change all hpmcounters to be read-only shadows of the corresponding machine mode mhpmcounters.

[3.7.0] - 2023-03-13

• adding Zicntr and Zihpm extensions

[3.6.0] - 2023-03-07

• add V extensions ISA string constraints check

[3.5.2] - 2022-12-26

• special checks for vxsat csr added which apply only the max-xlen subsections of the csr

[3.5.1] - 2022-12-12

• Added Zbpbo, Zpn, Zpsfoperand into constants.py
• Added ISA string legality checker for Zp* extension into isa_validator.py
• Added vxsat CSR into schema_isa.yaml (Credits: chuanhua)

[3.5.0] - 2022-10-28

• Add support for indexed registers
• Add schemas for triggers
• Fix bugs in WARL class
• Add function to get a legal value from WARL fields.

[3.4.0] - 2022-10-13

• support x-extension parsing in ISA string
• added check to capture duplicates in the extensions present in the isa string

[3.3.1] - 2022-09-26

• documentation cleanup for adding new extensions in riscv-config
• disabled pdf asset generation for each release.

[3.3.0] - 2022-09-24

• rewrote regular expression for determining legal ISA/extension strings to fix bugs and simplify maintenance. (#104)
• updated example and regex in new-extensions.rst to match

[3.2.0] - 2022-09-07

• adding new function to get a legal value from a warl node

[3.1.2] - 2022-08-23

• if the value being tested is out of bounds, then skip with error immediately

[3.1.1] - 2022-08-18

• fix pypi dependencies for docs

[3.1.0] - 2022-08-17

• scounteren can be a ro_constant now
• the maxval checks for mask/fixedval should be based on the length of the part
• adding support for mtval_update field
• adding support for pte_ad_hw_update field
• cleaned up documentation

[3.0.0] - 2022-08-16

• created new warl class for warl node handling

  • better comments
  • more functions to keep things simple
  • fixed a lot of bugs in checking legal values
  • bitmask and range values can now co-exist in a legal string
  • added new and improved checks for syntax validity of warl strings

• fixed validationError function to correctly print all errors (dict and/or list)

• removed wr_illegal checks from the schema since they are now done as part of the new warl class checks

• updates to the new warl checks and reset-value checks

• satp.mode should have one of sv* translation schemes as a legal value. (#89)

• default setters for pmps fixed

• pmp checks have been improved (#88)

• improve WARL documentation

[2.17.0] - 2022-08-08

• Support for Zfinx, Zdinx, Zfh, Zhinx, Zhinxmin in ISA string added.

[2.16.1] - 2022-07-21

• fixed bug in regex where Zk and Zknh were missing an underscore

[2.16.0] - 2022-07-20

• fixed overlap checks for crypto extensions
• removing K and P extension strings from regex

[2.15.1] - 2022-06-18

• added missing Z extensions from Kcrypto
• fixed ordering of the Z extensions as per isa spec.

[2.15.0] - 2022-06-16

• moved ISA validation as a separate api function to enable import in other python tools

[2.14.1] - 2022-06-02

• add support for Zicbo* extensions
• add new node in platform_schema: zicbo_cache_block_sz

[2.14.0] - 2022-05-13

• fix for index-based dependency checks in warl string.

[2.13.1] - 2022-03-23

• Added setup.cfg to automate bumpversion
• Fix wording for legal strings in dependency warl fields.

[2.13.0] - 2022-03-09

• add support for detection of svnapot in ISA string
• genralize conversion of hex, oct, bin values to int in warl functions
• machine flat schema to include wlrl types as well

[2.12.1] - 2021-12-18

Fixed

• added mbe and sbe fields in mstatush
• fixed default setter for vsstatus in RV32 mode

[2.12.0] - 2021-12-10

Added

• support for hypervisor csrs
• change default for dcsr.v and fix the check_with function for the same
• ensures proper checks for csrs defined as 32-bit only registers

[2.11.2] - 2021-11-29

Fixed

• Fixed the relationship between fflags, frm and fcsr
• Enable subfield to be shadow field of whole csr, and vice versa

[2.11.1] - 2021-11-19

Added

• adding the missing shadow_type field for hpmcounter17

[2.11.0] - 2021-10-15

Fixed

• canonical ordering requirement of _Z extensions fixed

Added

• adding support for Zmmul extension in ISA regex

[2.10.2] - 2021-10-06

Fixed

• islegal function under the warl_interpreter class fixed. The based and bound values are not extracted correctly as either hex or decimal values. Also removed the logic to truncate values

[2.10.1] - 2021-08-26

Fixed

• Changed the default value of 'accessible' to false so input yamls need not declare unsupported xlen

[2.10.0] - 2021-07-30

Added

• added default-setters for misa's reset value to match the ISA extensions, to modify warl function of extensions under misa
• added default setter for reset value of mstatus

Fixed

• changed default values of types for subfields in mstatus
• changed default values of types for mhpmevent*, mcountinhibit, mcounteren and mhpmcounter* to read only constant 0
• changed default values of types for fflags, frm and fcsr to warl if F is present, else read-only constant 0
• changed default values of types for mcycle[h], minstret[h] to warl
• changed default values of types and added checks for subfields of scause, satp, stvec, sie, sip and sstatus

[2.9.1] - 2021-06-02

Fixed

• removed an unadded feature in rv32i_platform.yaml
• removed debug_interrupts under mip in rv64i_isa.yaml

[2.9.0] - 2021-05-24

Fixed

• fixed issue #58 by adding extra checks for bitmask
• fixed issue #59 by removing custom cause from platform yaml
• resolved inconsistencies in the use of "xlen" and "supported_xlen" in schemaValidator

Added

• added extra "shadow_type" fields in the csr schemas. These indicate the nature of shadow (read-only, read-write, etc).
• added parking_loop node in debug_schema to indicate the address of debug rom. Can be empty in implementations which do not have this feature

[2.8.0] - 2021-03-02

Added

• Added checks for K (sub)extension(s)
• Updated docs with information on adding new extension, csrs or specs.
• Added github actions based CI

[2.7.0] - 2021-02-25

Added

• added new debug schema for debug based csrs and spec
• cli now takes debug spec as input as well along with isa-spec
• added support for defining custom exceptions and interrupts

[2.6.3] - 2021-01-19

Fixed

• added priv_mode field to sedeleg and sideleg csrs

[2.6.2] - 2021-01-18

Fixed

• Allow B extension in ISA schema

[2.6.1] - 2021-01-13

Fixed

• msb,lsb values of "SD" field in mstatus must be 63 in rv64 mode
• added checks for reset value of misa to adhere to the extensions enabled in the input yaml
• fixed dead-link in the docs.

[2.6.0] - 2021-01-5

Added

• Added support for custom csr yaml
• Added new nodes in isa_schema: pmp_granularity and physical_addr_sz
• Checks for pmp, counters and custom csrs
• medeleg, mideleg check for S or N extension
• updated the warl syntax slightly for easier parsing.

Changed

• fixed warl parsing and islegal function to check reset values

[2.5.1] - 2020-11-6

Changed

• modified sn_check and su_check
• scounteren checks to make it depend only on u
• medeleg, mideleg check for S or N extension

[2.5.0] - 2020-11-6

Added

• added all n extension csrs
• added missing supervisor csrs
• added default setters for subfields in sip, sie , uip and uie to make it depend as shadows on machine csrs

[2.4.1] - 2020-10-22

Changed

• default mpp value to 0
• adding defaults to sub-fields of mtvec

[2.4.0] - 2020-10-19

Added

• Added support for pmp csrs in the schema
• Added support for mcycleh and minstreth
• Added special checks for ensuring the shadows are implemented correctly.
• Added support for the following supervisor csrs in the schema: sstatus, sie, sip, stvec, sepc, stval, scause and satp
• Added support for user performance counters, frm, fcsr, time[h], cycle[h] and instret[h] csrs in the schema.

Changed

• all fields are now subsumed under a hartid. This allows specifying multiple harts in the same yaml
• logging mechanism improved.
• isa spec is now validated independently of the platform spec
• privilege and unprivilege version checks are no longer required. This satisfied via the "allowed" field now.
• improved the 'implemented/accessible' checks for s, u and n extensions
• the "fields" node is now populated by subfields in the increasing order of the placement in the csr.
• using aliases to reduce the code size

[2.3.1] - 2020-10-6

Changed

• Added Zihintpause to ISA string (for PAUSE Hint instruction extension)..

[2.3.0] - 2020-07-27

Changed

• Size of the isa schema has been reduced significantly.
• Using anchors in the schema.
• Provided a command line argument to disable anchors in the checked yaml dump.
• adding mycycle, minstret, pmpcfgs and pmpaddrs
• added support for defining multiple harts

[2.2.2] - 2020-06-09

Changed

• Changed quickstart 'riscv_config' to 'riscv-config'
• Changed checker.py to add check_reset_fill_fields() description

[2.2.1] - 2020-05-18

Changed

• Changed minimum python version requirement to 3.6.0 which is typically easy to install on all major distributions
• Updated readme with better installation instructions

[2.2.0] - 2020-04-07

Changed

• Renamed the 'implemented' field in rv32 and rv64 nodes to 'accessible'.
• Modified appropriate definitions for fields dependent on specific extensions like NSU.

[2.1.1] - 2020-03-29

[Fixed

• doc issue for mtimecmp
• mimpid is now part of the default setters list

[2.1.0] - 2020-03-29

[Fixed

• Moved machine timer nodes to platform yaml.

[Added

• --version option to arguments to print version and exit when specified.
• Print help and exit when no options/arguments are specified.

[2.0.2] - 2020-03-28

Fixed

• Redundant reset-val check for mtvec and misa registers.

[2.0.1] - 2020-03-25

Fixed

• typos in quickstart doc
• disabled deployment to repository until authentication issue is fixed.

[2.0.0] - 2020-03-25

Added

• adding support for warl fields and support
• documentation for the warl fields added
• reset-value checks added

Changed

• using a new common template for defining all csrs
• updated docs with new template
• using special function within conf.py to extract comments from yaml file as docs.

Fixed

• closed issues #10, #11, #12, #13

[1.0.2] - 2019-08-09

Changed

• Log is generated only if specified(for API calls to checker.check_specs).

Fixed

• link in readme now points to github instead of gitlab.

[1.0.0] - 2019-07-30

Changed

• Work directory isnt deleted if the directory exists, although the files of the same name will be overwritten.

Fixed

• Checked yaml passes validation too.

[0.1.0] - 2019-07-29

Added

• Added work_dir as arg and always outputs to that dir.
• Added reset vector and nmi vector to platform.yaml
• Vendor description fields in schema.
• An xlen field added for internal use.

Fixed

• In ISA field in isa_specs subsequent 'Z' extensions should be prefixed by an underscore '_'
• Fixed cerberus.validator.DocumentError: document is missing error when platform specs is empty.
• mtvec:mode max value is set to 1.
• privilege-spec and user-spec are taken as strings instead of float.

Changed

• The representation of the int fields is preserved in the checked-yaml.
• mepc is a required field.
• check_specs function now returns the paths to the dumped normalized files.
• No other entries in node where implemented is False.
• Readonly fields are purged by default.
• Multiple values/entries for the same node is not allowed.

Removed

• remove *_checked.yaml files from Examples.
• changed templates_platform.yaml to template_platform.yaml in docs.

[0.0.3] - 2019-07-19

Fixed

• doc update

[0.0.2] - 2019-07-19

Fixed

• pdf documentation
• ci-cd to host pdf as well

[0.0.1] - 2019-07-18

Added

• Documentation to install and use pyenv

[0.0.0] - 2019-07-18

Added

• Initial schemas for M mode and S mode csrs with constraints as specified in the spec.