riscv: add mcounteren in-memory update functions
#217
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Uses the new `bf_extract` helper for the `mcounteren` register.
Adds functions for updating the in-memory `Mcounteren` structure without touching the CSR. Allows manipulating all bitfields in-memory, and writing the entire value back to the CSR at once.
romancardenas
approved these changes
May 25, 2024
I can work on something. Would probably want at least two versions of the macro, Might also be good to export the macros for downstream users with custom CSRs on their SoC. |
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Adds functions for updating the in-memory
Mcounterenstructure without touching the CSR.Allows manipulating all bitfields in-memory, and writing the entire value back to the CSR at once.