riscv_zicntr_zihpm

Extension: Zicntr and Zihpm

• Branch: riscv-zicntr-zihpm
• Tracking PR: #102 (view Pull Request and Diff)
• Mailing List:
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Feature Description

This patch adds support for two extensions, splitted from the RISC-V Unprivileged ISA version 2.2:

1. Zicntr
   Basic hardware performance counters
2. Zihpm
   Platform-specific configurable hardware performance counters