Re: [Xenomai] ARMv8 (ARM64) port of Xenomai

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On Fri, Mar 20, 2015 at 05:06:36PM -0700, Hongfei Cheng wrote:
> Gilles - Thank you for sharing the link and updating us with your schedule.
> 
> I just started to port the I-pipe and Xenomai-3 code for supporting
> the ARMv8 architecture. Based on my limited understanding of Xenomai,
> it appears that the following changes are required in order to get
> Xenomai-3 running on the ARMv8 SoC we plan to use (Qualcomm msm8994):
> 
> 1). In vendor kernel tree, add I-pipe support to arm64 generic arch
> code: arch/arm64/boot, arch/arm64/kernel, etc.
> 2). In vendor kernel tree, add I-pipe support to arm64 MMU: arch/arm64/mm
> 3). In vendor kernel tree, add I-pipe support to platform-specific
> device tree: arm(64)/boot/dts/qcom
> 4). In vendor kernel tree, add I-pipe support to SoC and platform
> dependent drivers for arm64: drivers/gpio, drivers/irqchip(?),
> drivers/clocksource(?)
> 5). In xenomai-3 tree, support arm64 in Cobalt kernel: kernel/cobalt/arch/arm64
> 
> Do you (and anyone else who's working on ARMv8) see any critical
> modules missing from my list?

No, but the contrary, there is no reason to touch boot, kernel, mm.

-- 
					    Gilles.