RFR: 8301067: RISC-V: better error message when reporting unsupported satp modes [v2]

[Fei Yang]

On Sat, 28 Jan 2023 03:14:47 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Add more detailed information to the error log when reporting unsupported stap modes.
>> Currently, RISC-V port only supports up to sv48.
>
> Feilong Jiang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'openjdk:master' into better_error_info
>  - add more information when reporting unsuppoted satp modes

Marked as reviewed by fyang (Reviewer).

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

PR: https://git.openjdk.org/jdk/pull/12247