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Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash |
Date: |
Tue, 8 Mar 2016 13:14:44 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
On 08/03/2016 13:13, Ard Biesheuvel wrote:
> > As far as this QEMU port is concerned, having some flash in secure and
> > some in non-secure is going to be useful regardless, and 64 MB is
> > plenty for both the code and the data. So if users of the Trustzone
> > port (which is disjoint from the KVM port in any case) can tolerate
> > having the code and the variables in the same pflash file, I could
> > simply move the code into the second flash, and we could reserve the
> > first flash for secure (so it sits at physical address 0x0
>
> Uhm, actually, the code is not even in the flash to begin with. So
> having the second bank be non-secure only makes perfect sense imo
Interesting, where is the code?
Paolo
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Paolo Bonzini, 2016/03/07
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Peter Maydell, 2016/03/07
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Paolo Bonzini, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Ard Biesheuvel, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Ard Biesheuvel, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash,
Paolo Bonzini <=
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Ard Biesheuvel, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Paolo Bonzini, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Ard Biesheuvel, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Paolo Bonzini, 2016/03/08
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Peter Maydell, 2016/03/08
- Re: [Qemu-arm] [Qemu-devel] [PATCH 0/4] virt: provide secure-only RAM and first flash, Laszlo Ersek, 2016/03/09
- Re: [Qemu-arm] [Qemu-devel] [PATCH 0/4] virt: provide secure-only RAM and first flash, Paolo Bonzini, 2016/03/09
- Re: [Qemu-arm] [Qemu-devel] [PATCH 0/4] virt: provide secure-only RAM and first flash, Laszlo Ersek, 2016/03/09
- Re: [Qemu-arm] [PATCH 0/4] virt: provide secure-only RAM and first flash, Peter Maydell, 2016/03/08