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Re: [Qemu-devel] [PATCH v3 18/31] target/arm: Create ARMVAParameters and

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH v3 18/31] target/arm: Create ARMVAParameters and helpers
Date: Thu, 24 Jan 2019 11:54:42 +0000

On Tue, 8 Jan 2019 at 22:32, Richard Henderson
<address@hidden> wrote:
> Split out functions to extract the virtual address parameters.
> Let the functions choose T0 or T1 address space half, if present.
> Extract (most of) the control bits that vary between EL or Tx.
> Signed-off-by: Richard Henderson <address@hidden>

> +    top_bits = sextract64(address, inputsize, addrsize - inputsize);

I've just run into an assertion here running an aarch32 guest
that uses LPAE, because addrsize == inputsize == 32, and
sextract64() insists on a non-zero length...

-- PMM

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