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Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmwa
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware |
Date: |
Thu, 31 Jan 2019 11:12:45 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 |
On 31/01/19 10:41, Markus Armbruster wrote:
> Paolo Bonzini <address@hidden> writes:
>
>> On 31/01/19 09:40, Markus Armbruster wrote:
>>>> Maybe we should just add pflash block properties to the machine? And
>>>> then it can create the devices if the properties are set to a non-empty
>>>> value.
>>> What exactly do you have in mind? Something like
>>>
>>> -machine q35,ovmf-code=OVMF-CODE-NODE,ovmf-data=OVMF-DATA-NODE
>>>
>>> where OVMF-CODE-NODE and OVMF-DATA-NODE are block backend node names,
>>> i.e.
>>>
>>> -blockdev
>>> file,node-name=OVMF-CODE-NODE,read-only=on,filename=/usr/share/edk2/ovmf/OVMF_CODE.fd
>>> -blockdev file,node-name=OVMF-DATA-NODE,read-only=on,filename=...
>>
>> Yes, though I would call it pflash0 and pflash1.
>
> Digression... should we put traditional BIOS in flash as well? Only for
> new machine types, obviously.
The blocker was that very old KVM didn't support ROMD memory regions.
Now on one hand we don't support those old kernel versions anymore; on
the other hand we have HAX and WHPX that do not support ROMD at all.
Paolo
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, (continued)
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Laszlo Ersek, 2019/01/30
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Paolo Bonzini, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Laszlo Ersek, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Paolo Bonzini, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Paolo Bonzini, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware,
Paolo Bonzini <=
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Markus Armbruster, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Paolo Bonzini, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Alexandro Sanchez Bach, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Paolo Bonzini, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Ning, Yu, 2019/01/31
- Re: [Qemu-block] [Qemu-devel] Configuring pflash devices for OVMF firmware, Laszlo Ersek, 2019/01/31