From: Thorsten Zitterell <the.real.hik@gmx.net>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Run Qemu ARM system without MMU (MMUless)
Date: Fri, 25 Aug 2006 14:24:57 +0200 [thread overview]
Message-ID: <44EEEC19.5000605@gmx.net> (raw)
In-Reply-To: <20060825082535.62631.qmail@web38102.mail.mud.yahoo.com>
Tieu Ma Dau wrote:
> If I want to run Qemu ARM system to simulate a system without MMU (MMU
> less), how can I do?
> Thanks for your responses and best reagards,
> Tieu
Hi,
according to target-arm/helper.c the MMU is enabled/disabled with
coprocessor 15.
if ((env->cp15.c1_sys & 1) == 0) {
/* MMU diusabled. */
*phys_ptr = address;
*prot = PAGE_READ | PAGE_WRITE;
} else {
/* Pagetable walk. */
}
It is disabled when QEMU starts...
--
Thorsten
next prev parent reply other threads:[~2006-08-25 12:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-24 20:36 [Qemu-devel] qemu vnc.c Fabrice Bellard
2006-08-25 8:25 ` [Qemu-devel] Run Qemu ARM system without MMU (MMUless) Tieu Ma Dau
2006-08-25 12:24 ` Thorsten Zitterell [this message]
2006-08-25 15:08 ` Tieu Ma Dau
2006-08-25 15:20 ` Paul Brook
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