From: Anthony Liguori <anthony@codemonkey.ws>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paolo Bonzini <pbonzini@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>,
agraf@suse.de, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/2] Allow QEMUMachine to override reset sequencing
Date: Thu, 02 Aug 2012 15:58:28 -0500 [thread overview]
Message-ID: <87d339f1u3.fsf@codemonkey.ws> (raw)
In-Reply-To: <1343940385.6911.27.camel@pasglop>
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> On Thu, 2012-08-02 at 17:17 +0200, Paolo Bonzini wrote:
>>
>> On x86 we do not pre-load the kernel. Neither the kernel/initramfs
>> and
>> the option ROM that loads the kernel are written in memory, they are
>> passed to the guest via fw_cfg. Then the option ROM is loaded by the
>> BIOS, and loads the kernel/initramfs.
>
> How does it do ? IE. how does it access a random pair of files on the
> host side ? Via some magic ports ?
Yes, see hw/fw_cfg.c
Regards,
Anthony Liguori
>
> Cheers,
> Ben.
next prev parent reply other threads:[~2012-08-02 20:58 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 2:10 [Qemu-devel] [0/2] Allow machine to control ordering of reset David Gibson
2012-08-02 2:10 ` [Qemu-devel] [PATCH 1/2] Allow QEMUMachine to override reset sequencing David Gibson
2012-08-02 2:37 ` Anthony Liguori
2012-08-02 3:50 ` Benjamin Herrenschmidt
2012-08-02 15:17 ` Paolo Bonzini
2012-08-02 20:46 ` Benjamin Herrenschmidt
2012-08-02 20:58 ` Anthony Liguori [this message]
2012-08-03 2:54 ` David Gibson
2012-08-03 3:08 ` David Gibson
2012-08-02 15:00 ` Lluís Vilanova
2012-08-03 2:25 ` David Gibson
2012-08-02 2:10 ` [Qemu-devel] [PATCH 2/2] pseries: Use new hook to correct reset sequence David Gibson
2012-08-02 15:44 ` Andreas Färber
2012-08-02 18:29 ` Anthony Liguori
2012-08-02 18:38 ` Andreas Färber
2012-08-02 19:40 ` Anthony Liguori
2012-08-03 2:37 ` David Gibson
2012-08-03 13:50 ` Anthony Liguori
2012-08-03 13:57 ` Peter Maydell
2012-08-03 14:22 ` Anthony Liguori
2012-08-03 14:35 ` Peter Maydell
2012-08-03 14:51 ` Andreas Färber
2012-08-03 15:01 ` Andreas Färber
2012-08-03 16:21 ` Anthony Liguori
2012-08-07 22:02 ` Benjamin Herrenschmidt
2012-08-07 22:32 ` Andreas Färber
2012-08-08 0:00 ` Anthony Liguori
2012-08-08 7:58 ` Peter Maydell
2012-08-08 8:44 ` David Gibson
2012-08-08 1:45 ` David Gibson
2012-08-08 15:22 ` Andreas Färber
2012-08-09 0:12 ` David Gibson
2012-08-03 2:31 ` David Gibson
2012-08-03 15:13 ` Andreas Färber
2012-08-06 0:31 ` David Gibson
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