[OpenJDK 2D-Dev] RFR: 8253795: Implementation of JEP 391: macOS/AArch64 Port [v9]

Tue Mar 2 07:48:34 UTC 2021

On Mon, 1 Mar 2021 10:46:34 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> They are defined in 13.2.95. MIDR_EL1, Main ID Register. Apple's code is not there, but "Arm can assign codes that are not published in this manual. All values not assigned by Arm are reserved and must not be used.". I assume the value was obtained by digging around https://github.com/apple/darwin-xnu/blob/main/osfmk/arm/cpuid.h#L62
>
> Anton, this paragraph looks like an excellent comment.

Thanks, I've added the comment.

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PR: https://git.openjdk.java.net/jdk/pull/2200