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Re: [Qemu-devel] [PATCH] hw/i386: add device tree support

From: Antonio Borneo
Subject: Re: [Qemu-devel] [PATCH] hw/i386: add device tree support
Date: Tue, 5 Apr 2016 21:57:17 +0200

On Tue, Apr 5, 2016 at 7:40 PM, Sebastian Andrzej Siewior
<address@hidden> wrote:
> On 04/05/2016 07:11 PM, Antonio Borneo wrote:
>> Hi,
> Hi,
>> I'm not expert on the x86 memory map at boot and during kernel
>> boot; I found easy to just append the dtb to the kernel image.
>>>From my tests this patch is working fine.
>> If you have any hint for a different loading address for dtb, I
>> would be glad to modify this code.
> If I remember correctly, the kernel makes a copy of the dtb on order
> not to rely on any specific memory layout (same as with initrd).

Hi Sebastian,

yes, correct, kernel makes a copy of dtb.
Anyway I want to be sure my choice to append dtb to kernel doesn't hit
any memory constraint in QEMU.
I believe it is safe, since from QEMU point of view kernel+dtb looks
just like a "bigger" kernel.


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