riscv/riscv-CMOs

Issues

• Clarification on CMO's interaction with PMP

  #60 opened 8 months ago by deepsrc
  5

• CMOs and PBMT

  #57 opened 8 months ago by ingallsj
  2

• Clarify that implementations can perform a flush operation for CBO.INVAL (and CBO.CLEAN)

  #56 opened 8 months ago by dkruckemyer-ventana
  3

• Feedback on the 1.0-rc2 specification

  #44 opened 8 months ago by azuepke
  1

• How to discover the information of cache block size by software?

  #48 opened 8 months ago by Jamesykm-andes
  10

• Should exception be raised if the memory attribute is strong order for cbo.zero?

  #50 opened 8 months ago by xian-zju
  1

• Clarify prefetch instruction permission

  #59 opened 8 months ago by whchiao
  1

• Must cbo.clean, cbo.flush, and cbo.inval raise exception on an address in vacant region?

  #67 opened 9 months ago by YenHaoChen
  4

• Integration of CMO spec into Unpriv spec as a chapter.

  #66 opened a year ago by wmat
  5

• Is a CMO instruction permitted to access device region?

  #62 opened 2 years ago by YenHaoChen
  3

• Is there a required/suggested legalization value for writing xenvcfg.CBIE to 2'b10?

  #65 opened 2 years ago by YenHaoChen
  2

• What access permission do CMO instructions require？

  #64 opened 2 years ago by jinyinghan324
  1

• Does the prefetch.r instruction support specific cache levels?

  #63 opened 2 years ago by Kepontry
  2

• Why FENCE.I instructions don't order the CBO management instructions?

  #61 opened 2 years ago by henry-hsieh
  4

• Why do two invalidate operations cause security hole？

  #54 opened 2 years ago by baimengwei
  2

• A puzzle about cbo.zero

  #53 opened 2 years ago by baimengwei
  1

• Can CMO extension support icache management?

  #52 opened 2 years ago by weiqi7777
  2

• Textual format for cbo.* asm operands - '(rs1)' and '0(rs1)' vs 'rs1'

  #47 opened 3 years ago by asb
  34

• CBO instruction behavior when cache is disabled or when memory attribute is uncacheable

  #41 opened 3 years ago by chuanhua
  2

• Invited Talks - collect suggestions

  #18 opened 3 years ago by AndyGlew
  5

• encoding of prefetches impose minimum sensible granularity of cache blocks

  #40 opened 3 years ago by jnk0le
  4

• Feedback on CMO Spec

  #22 opened 3 years ago by SanjayPatelRVI
  7

• THIRD QUESTION: what CMO types should actually be supported?

  #11 opened 3 years ago by AndyGlew
  2

• Invalidate Clean / do nothing to Dirty ?? (C-->I, D-->no change)

  #7 opened 3 years ago by AndyGlew
  5

• DCBA

  #5 opened 3 years ago by AndyGlew
  4

• Define possible loop friendly code prefetch instructions (not currently recommended for POR, but FTR)

  #4 opened 3 years ago by AndyGlew
  3

• Interaction between management instructions and dirty bit

  #45 opened 3 years ago by jrtc27
  19

• Tags for CMO TG items (mail archive, etc.)

  #14 opened 3 years ago by AndyGlew
  1

• Labels for CMOs TG issues; #admin, #technical ... ?

  #17 opened 3 years ago by AndyGlew
  0

• FIFTH QUESTION (?): How do CMOs relate to the memory ordering model?

  #13 opened 3 years ago by dkruckemyer-ventana
  0

• Collect different system configurations and define abstract system model

  #19 opened 3 years ago by dkruckemyer-ventana
  1

• Give CMO TG members ability to post to https://github.com/riscv/riscv-CMOs/wiki

  #16 opened 3 years ago by AndyGlew
  2

• Automate building HTML and PDF for draft proposal

  #3 opened 3 years ago by AndyGlew
  2

• Does CBO.ZERO.EA need to be atomic?

  #20 opened 4 years ago by dkruckemyer-ventana
  7

• Consider renaming FLUSH to EVICT

  #6 opened 4 years ago by jhauser-us
  24

• Use cases for CMOs - collect

  #15 opened 4 years ago by AndyGlew
  5

• FIRST BIG QUESTION: Address Range vs per-Cache-Line CMO instructions

  #9 opened 4 years ago by AndyGlew
  18

• SECOND QUESTION: cache index CMOs, e.g. (set,way) vs "microarchitecture index range"

  #10 opened 4 years ago by AndyGlew
  4

• Don't assume cache line sizes are fixed during program execution

  #8 opened 4 years ago by brucehoult
  5

• FOURTH QUESTION: How do we specify which parts of the memory/cache hierarchy are affected by CMOs ?

  #12 opened 4 years ago by AndyGlew
  3

• Migrate CMOs from AndyGlew/Ri5-stuff -- fork, import repo, prune repo, or just move files without history?

  #2 opened 4 years ago by AndyGlew
  2

• I'm stupid: how initially populate repo and wiki?

  #1 opened 4 years ago by AndyGlew
  8