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Re: [Qemu-devel] [PATCH, MIPS64] Fix Status_rw_bitmask values
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From: |
Thiemo Seufer |
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Subject: |
Re: [Qemu-devel] [PATCH, MIPS64] Fix Status_rw_bitmask values |
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Date: |
Tue, 5 Jun 2007 14:50:17 +0100 |
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User-agent: |
Mutt/1.5.13 (2006-08-11) |
Aurelien Jarno wrote:
> Hi all,
>
> The patch below fixes the Status_rw_bitmask values for 64-bit CPUs:
> - Reverse endianess is currently not implemented, the RE bit should
> not be writable.
OTOH, those CPUs support RE, that's why I left the bit writable.
I think you'll have to boot RiscOS to check the difference, I don't
know of any other user. :-)
> - 64-bit is implemented, the PX bit should be writable.
The current version is correct, R4000 and 5K don't implement PX, the
20Kc and later CPUs do.
Thiemo