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