Core-V eXtension interface (CV-X-IF)
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Contents:
Acknowledgements
Contributors
Changelog
Introduction
eXtension Interface
Appendix
Core-V eXtension interface (CV-X-IF)
OpenHW Group Specification: Core-V eXtension interface (CV-X-IF) - Development
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OpenHW Group Specification: Core-V eXtension interface (CV-X-IF) - Development
Contents:
Acknowledgements
Contributors
Changelog
v1.0.0-rc.2: Second Release Candidate (post public review)
v1.0.0-rc.1: First release candidate
v0.2.0: Reworked specification
v0.1.0: Initial draft
Introduction
History
License
Standards Compliance
Glossary
eXtension Interface
CV-X-IF
Parameters
Major features
Operating principle
Interfaces
Clocking and Signal Stability
Identification
Multiple coprocessors
Multiple Harts
Compressed interface
Issue interface
Register interface
Commit interface
Memory (request/response) interface
Memory result interface
Result interface
Interface dependencies
Handshake rules
Signal dependencies
System level deadlock avoidance
Appendix
SystemVerilog example
Coprocessor recommendations
Recommendations for implementing multiple coprocessors on a shared interface
Timing recommendations
Verification