[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory
From: |
Gerd Hoffmann |
Subject: |
Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory |
Date: |
Tue, 16 Aug 2022 10:55:11 +0200 |
Hi,
> > We can make setup_data chaining work with OVMF, but the whole chain
> > should be located in a GPA range that OVMF dictates.
>
> It sounds like what you describe is pretty OVMF-specific though,
> right? Do we want to tie things together so tightly like that?
>
> Given we only need 48 bytes or so, isn't there a more subtle place we
> could just throw this in ram that doesn't need such complex
> coordination?
Joining the party late (and still catching up the thread). Given we
don't need that anyway with EFI, only with legacy BIOS: Can't that just
be a protocol between qemu and pc-bios/optionrom/*boot*.S on how to pass
those 48 bytes random seed?
take care,
Gerd
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, (continued)
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, Jason A. Donenfeld, 2022/08/05
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, Laszlo Ersek, 2022/08/05
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, Jason A. Donenfeld, 2022/08/09
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, Michael S. Tsirkin, 2022/08/09
- Re: [PATCH v3] hw/i386: place setup_data at fixed place in memory, Daniel P . Berrangé, 2022/08/09
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Laszlo Ersek, 2022/08/05
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory,
Gerd Hoffmann <=
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Jason A. Donenfeld, 2022/08/18
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Gerd Hoffmann, 2022/08/19
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Ard Biesheuvel, 2022/08/19
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Daniel P . Berrangé, 2022/08/04
- Re: [PATCH v2] hw/i386: place setup_data at fixed place in memory, Jason A. Donenfeld, 2022/08/04