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Re: [Qemu-devel] [PATCH] target-mips: add CPU definition for MIPS-II
From: |
Leon Alrae |
Subject: |
Re: [Qemu-devel] [PATCH] target-mips: add CPU definition for MIPS-II |
Date: |
Tue, 16 Dec 2014 11:59:01 +0000 |
User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 |
Hi Daniel,
On 15/12/2014 14:03, Daniel Sanders wrote:
> Hi,
>
>
>
> FWIW, the R6000 was a MIPS-II processor but I understand there was never
> a proper manual for it. http://www.linux-mips.org/wiki/R6000 has a small
> amount of information but not enough to accurately fill in qemu's structure.
>
>
>
>> If this is really problematic for qemu, why don't we add an
>> --enable-experimental-targets, --enable-generic-targets or something
>> similar for generic/old CPU definitions?
>
>
>
> One other possibility is to use a real CPU name such as R6000 but use
> reasonable guesses where information is unavailable. Is that a good
> compromise?
Adding R6000 sounds like the right way to go. Probably it won't be
accurately defined in QEMU until we can use the real hardware as a
reference, but this is still better than "MIPS-II generic CPU".
Thanks,
Leon