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Re: [Qemu-devel] hw/nand hw/onenand and read-only
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] hw/nand hw/onenand and read-only |
Date: |
Wed, 19 Oct 2011 09:46:27 +0100 |
On 19 October 2011 09:03, Markus Armbruster <address@hidden> wrote:
> <address@hidden> writes:
>> both device models already support running without a drive as well by
>> using a memory buffer instead so it would also be possible to make them
>> use a read-only drive in a way that initial NAND/OneNAND contents would be
>> read from the drive but any changes would not be written back to the drive
>> and would be lost when QEMU is killed.
>
> Sounds like it could be useful, but it's not what I'd expect for
> "readonly".
>
> You could create a boolean device property to make memory contents
> transient rather than persistent. Then reject read-only drives only in
> persistent mode, i.e. when the property is false. Feels cleaner to me.
That doesn't sound very onenand/nand specific to me, though.
-- PMM
- [Qemu-devel] hw/nand hw/onenand and read-only, Markus Armbruster, 2011/10/18
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Juha.Riihimaki, 2011/10/18
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Markus Armbruster, 2011/10/18
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Juha.Riihimaki, 2011/10/19
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Markus Armbruster, 2011/10/19
- Re: [Qemu-devel] hw/nand hw/onenand and read-only,
Peter Maydell <=
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Kevin Wolf, 2011/10/19
- Re: [Qemu-devel] hw/nand hw/onenand and read-only, Markus Armbruster, 2011/10/19