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Re: [Qemu-devel] Disable interrupts on Cortex M3 (lm3s6965evb)


From: Sebastian Huber
Subject: Re: [Qemu-devel] Disable interrupts on Cortex M3 (lm3s6965evb)
Date: Sun, 05 Jun 2011 15:06:29 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-GB; rv:1.9.1.16) Gecko/20101125 SUSE/3.0.11 Thunderbird/3.0.11

On 05/06/11 12:31, Sebastian Huber wrote:
> Hello,
>
> how can I disable interrupts on the Cortex M3 based board LM3S6965EVB?
> Even if I set PRIMASK, FAULTMASK and BASEPRI to 1 the SYSTICK interrupt
> handler gets called.
>
> Have a nice day!
>   

I think the interrupt handling logic for ARMv7M is wrong in cpu-exec.c
line 470.  Please have a look at the attached patch.

Attachment: 0001-Fixed-interrupt-handling-for-ARMv7M.patch
Description: Text Data


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