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Re: [Qemu-devel] [Bug 1226531] [NEW] Incorrect logic in ARMv7M interrupt

From: Peter Maydell
Subject: Re: [Qemu-devel] [Bug 1226531] [NEW] Incorrect logic in ARMv7M interrupt handler
Date: Tue, 17 Sep 2013 22:11:35 +0100

On 17 September 2013 11:44, benno <address@hidden> wrote:
> I'm not convinced the logic is correct.

It's not. There have been a few attempts by people to submit patches
to this though, but none of them have actually been sufficiently
convincing. See for instance

If somebody produces a patch which comes with a good rationale
for its change (ie with reference to the architecture manual and to
what QEMU means when it sets "CPSR_I" on M profile) I'll apply
it. But because the v7M code is currently not really maintained and
v7M interrupts are complex I'm reluctant to apply patches which
only come with "seems to fix things for me" levels of justification.

-- PMM

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