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🐛 fix minor regression bug; minor RTL optimizations #998

Merged
merged 12 commits into from
Aug 31, 2024
Merged

🐛 fix minor regression bug; minor RTL optimizations #998

merged 12 commits into from
Aug 31, 2024

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@stnolting stnolting commented Aug 30, 2024 •
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  • 🐛 CPU: fix PC reset bug (introduced in v1.10.2.8)
  • CPU: clean-up illegal instruction decoding logic (FPU and atomic instructions)
  • CPU: simplify fence[.i] decoding
  • SoC: add register stage to IO switch to relax the critical path of the interconnect; IO accesses now require an additional clock cycle to complete
  • SoC: rework reset system; all registers of the entire processor now trigger exclusively on the rising clock edge (no more falling_edge())
  • minor edits and clean-ups

@stnolting stnolting added HW Hardware-related optimization Make things faster, smaller and more efficient labels Aug 30, 2024
@stnolting stnolting self-assigned this Aug 30, 2024
@stnolting
[changelog] add v1.10.2.9
b199618
@stnolting
[io switch] add input register stage
e7d94ea 
relax critical path of interconnect
@stnolting
[top] rework reset system
9e48013 
all registers of the entire processor now trigger exclusively on the rising clock edge
@stnolting stnolting changed the title minor RTL optimizations 🐛 fix minor regression bug; minor RTL optimizations Aug 31, 2024
@stnolting stnolting marked this pull request as ready for review August 31, 2024 07:10
@stnolting stnolting merged commit e3136f4 into main Aug 31, 2024
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@stnolting stnolting deleted the dev300824 branch August 31, 2024 11:04
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