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[rtl] OCD: update DTM and DM #468

Merged
merged 4 commits into from
Jan 5, 2023
Merged

[rtl] OCD: update DTM and DM #468

merged 4 commits into from
Jan 5, 2023

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stnolting
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@stnolting stnolting commented Jan 4, 2023

  • remove DM's haltsum0 register (🧪 experimental; allowed by RISC-V debug spec. v1.0)
  • the DTM's DMI register now uses one bit less for addressing the DM registers
  • use RISC-V-compatible DMI signals (as shown in Appendix 3 of the RISC-V debug spec.)
  • fix DTM error flag logic
  • fix DM reset logic
  • minor edits and updates

- remove DM haltsum0 register
- use RISC-V-compatible DMI signals
- fix DTM error flag logic
- minor edits and updates
@stnolting stnolting added risc-v compliance Modification to comply with official RISC-V specs. HW Hardware-related experimental Experimental feature optimization Make things faster, smaller and more efficient labels Jan 4, 2023
@stnolting stnolting self-assigned this Jan 4, 2023
@stnolting stnolting marked this pull request as ready for review January 4, 2023 18:51
@stnolting stnolting marked this pull request as draft January 5, 2023 12:07
@stnolting stnolting marked this pull request as ready for review January 5, 2023 16:53
@stnolting stnolting merged commit 91bd872 into main Jan 5, 2023
@stnolting stnolting deleted the ocd_edits branch January 5, 2023 16:55
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