On 5/9/26 21:13, James Hilliard wrote:
ZCB zeros the 128-byte cache block containing the base address.

Model the user-mode-visible effect by aligning the address down to a
128-byte line and storing sixteen zero doublewords to guest memory.

Signed-off-by: James Hilliard<[email protected]>
---
Changes v2 -> v3:
   - Split ZCB out of the combined Octeon arithmetic and memory
     instruction patch.  (requested by Richard Henderson)
---
  target/mips/tcg/octeon.decode      |  3 +++
  target/mips/tcg/octeon_translate.c | 24 ++++++++++++++++++++++++
  2 files changed, 27 insertions(+)

Acked-by: Richard Henderson <[email protected]>

I don't see documentation for ZCB{T}, but it all looks plausible.

r~

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