From: Julian Stecklina <der_julian@web.de>
To: xen-devel@lists.xensource.com
Subject: Re: Mini-OS in dom0 - virtual memory problems
Date: Wed, 31 Jan 2007 20:57:06 +0100 [thread overview]
Message-ID: <epqsah$50f$1@sea.gmane.org> (raw)
In-Reply-To: <45BFBD2A.5060509@cam.ac.uk>
Grzegorz Milos wrote:
> Mini-OS assumes that the start of the text section is also the beginning
> of virtual address space[1]. However, it is generally bad idea not to
> start virtual address space at 4Mb boundary. The easiest way to fix your
> problem is to move text to 0xc0000000 or 0xc0400000. More extensive fix,
> which decouples VIRT_START from &_text is also possible, but I don't see
> a reason why it would be needed. Instead I've included a runtime check.
> Keir could you apply the patch?
I changed the beginning of text to 0xC0000000 and the page table setup
seems to work, as does the rest of Mini-OS (except XenBus of course).
Thank you very much!
Regards,
Julian
next prev parent reply other threads:[~2007-01-31 19:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-25 13:49 Mini-OS in dom0 - virtual memory problems Julian Stecklina
2007-01-25 13:55 ` Julian Stecklina
2007-01-30 21:48 ` Grzegorz Milos
2007-01-31 19:57 ` Julian Stecklina [this message]
2007-02-01 0:06 ` Grzegorz Milos
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