RFR: 8367616: RISC-V: Auto-enable Zicboz extension for debug builds

[Feilong Jiang]

On Mon, 15 Sep 2025 03:31:36 GMT, Dingli Zhang <dzhang at openjdk.org> wrote:

> Hi,
> Can you help to review this patch? Thanks!
> 
> This is a followup change after https://bugs.openjdk.org/browse/JDK-8353829. 
> We can add detection and enablement of Zicboz extension.
> 
> Testing: hs:tier1 tested with qemu-system(kernel 6.14) with Zicboz extension.

Looks good!

-------------

Marked as reviewed by fjiang (Committer).

PR Review: https://git.openjdk.org/jdk/pull/27277#pullrequestreview-3223287025