riscv_smcsrind_sscsrind

Extension: Smcsrind and Sscsrind

• Branch: riscv-smcsrind-sscsrind
• Tracking PR: #125 (view Pull Request and Diff)
• Mailing List:
  • REVIEW ONLY v1 (2023-08-11)
  • PATCH v1 (2023-08-21)

Feature Description

This commit adds indirect CSR access extensions (Smcsrind / Sscsrind) and their CSRs based on the latest documentation: https://github.com/riscv/riscv-indirect-csr-access/releases/tag/v1.0.0-rc2

Because six CSRs are duplicates of Smaia / Ssaia extensions, it adds complex CSR handling for those.