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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] TARGET_PAGE_SIZE > host page size
Date: Fri, 21 Sep 2007 16:43:37 +0100
References: <20070921132947.GN20171@edgar.underground.se.axis.com>
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To: qemu-devel@nongnu.org
Cc: "Edgar E. Iglesias" <edgar.iglesias@axis.com>

On Friday 21 September 2007, Edgar E. Iglesias wrote:
> Hello,
>
> I'm working on a new target port and the linux-user emulation is fairly
> functional and passing quite extensive test-suites.
>
> I've got a problem though, my target has 8K page sizes, so for example when
> running on a x86 host TARGET_PAGE_SIZE > host page size.
>
> I'm not very familiar with linux-user/mmap.c, but I though I'd let you know
> that with this patch things seem to be working fine for me. I am not sure
> if the patch is correct so if anyone with more experience sees an obvious
> flaw I'd appreciate to know.

qemu_host_page_size is always >= TARGET_PAGE_SIZE. See exec.c.
There are several existing target that have >4k page sizes.

Paul