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Re: [Qemu-devel] [PATCH 3/7] target-arm: Use access_trap_aa32s_el1() for
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH 3/7] target-arm: Use access_trap_aa32s_el1() for SCR and MVBAR |
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Date: |
Sat, 6 Feb 2016 13:48:19 +0000 |
On 6 February 2016 at 12:17, Edgar E. Iglesias <address@hidden> wrote:
> It seems to me like if EL3 is running in AArch32, then we shouldn't
> trap accesses from Secure EL1 but I can't find that logic. Am I missing
> something?
If EL3 is running in AArch32 then there is no Secure EL1 -- all
of SVC, IRQ, and the other PL1 modes run at EL3 privilege,
and arm_current_el() will return 3 in this situation.
thanks
-- PMM