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Minor rtl/CSR optimizations #1010

Merged
merged 5 commits into from
Sep 8, 2024
Merged

Minor rtl/CSR optimizations #1010

merged 5 commits into from
Sep 8, 2024

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stnolting
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@stnolting stnolting commented Sep 8, 2024 •
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  • reset mtvec, mepc and dpc CSRs to all-zero
  • reset dcsr.priv CSR bit to zero
  • replace all '-' (don't care) by '0' (Yosys seems to have problems with this sometimes)
  • simplify mtvec logic for vectored interrupt mode

@stnolting
[csr] reset mtvec, mepc and dpc to all-zero
a4e57f4 
also reset dcsr.priv to zero
@stnolting
[rtl] replace '-' by '0'
254474f 
yosys seems to have issues with this sometimes
@stnolting stnolting added HW Hardware-related optimization Make things faster, smaller and more efficient labels Sep 8, 2024
@stnolting stnolting self-assigned this Sep 8, 2024
@stnolting stnolting marked this pull request as ready for review September 8, 2024 12:13
@stnolting stnolting merged commit a5ae09c into main Sep 8, 2024
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@stnolting stnolting deleted the dev080924 branch September 8, 2024 12:52
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