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Re: [Qemu-devel] Potential sparc32 MMU bug
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From: |
Paul Brook |
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Subject: |
Re: [Qemu-devel] Potential sparc32 MMU bug |
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Date: |
Fri, 16 Feb 2007 17:01:59 +0000 |
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User-agent: |
KMail/1.9.5 |
On Friday 16 February 2007 16:55, Peter wrote:
> While working on getting SunOS to boot under qemu, I ran into a very
> odd bug, and I'm not sure whose fault it is.
>
> The SunOS bootloader tries to install trap 0 by writing to the trap
> table. The trap table is in the .text (read-only) section of the
> OpenBIOS ROM.
I don't know about sparc, but it's normal for writes to ROM to be ignored.
However by my reading the sparc bios is loaded into RAM anyway, so it
shouldn't matter.
Paul