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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: |
Fri, 8 Jun 2007 15:00:22 +0100 |
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User-agent: |
Mutt/1.5.13 (2006-08-11) |
Aurelien Jarno wrote:
[snip]
> >> - 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.
>
> I don't know about R4000, but the 5K manual (from www.mips.com) clearly
> says that this bit is implemented. Also this bit is marked as "required"
> in the MIPS64 PRA manual (for both R1 and R2), and the 5K CPU is
> presented as a MIPS64R1 CPU.
Agreed for the 5K, I used too old Documentation to check this.
Thiemo