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Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4 |
Date: |
Tue, 12 May 2015 13:58:03 +0100 |
On 12 May 2015 at 13:46, aurelio remonda <address@hidden> wrote:
> Im using lm3s6965evb stellaris board, trying to make it "work as an M4", i
> would like to separate them, adding an dsp feature (i.e ARM_FEATURE_DSP)
> could work? the problem is if this feature is added it has to be set on all
> the cpus that use dsp instructions.
You need to create a new Cortex-M4 CPU model, which can then set
the correct feature switches for the instructions and functionality
that that CPU has. If there's something that only exists on a
subset of CPUs but which we're currently providing everywhere
then we need to add a new feature bit and set it on the CPUs
which have it but not the ones which don't.
-- PMM
- [Qemu-devel] [ARM]: Adding support for Cortex-M4, aurelio remonda, 2015/05/05
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Maydell, 2015/05/05
- Message not available
- Message not available
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, aurelio remonda, 2015/05/12
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4,
Peter Maydell <=
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, aurelio remonda, 2015/05/26
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Maydell, 2015/05/26
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, aurelio remonda, 2015/05/26
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Maydell, 2015/05/26
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, aurelio remonda, 2015/05/28
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Liviu Ionescu, 2015/05/28
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Liviu Ionescu, 2015/05/30
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Crosthwaite, 2015/05/30
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Maydell, 2015/05/30
- Re: [Qemu-devel] [ARM]: Adding support for Cortex-M4, Peter Crosthwaite, 2015/05/30