Jon, I'm sure you anticipated this - What is your plan for pushing this out to the kernel? :)
And how can we help? On Tue, Oct 12, 2010 at 1:39 PM, Jon Callan <jon.cal...@arm.com> wrote: > Vishwa, > > I have a more-or-less complete set of example code for CPU context > save/restore, currently supporting A5/A8/A9 and with planned support for > Eagle. > > It is structured as "firmware" at the moment, but it would be much better if > it was integrated into the ARM Linux kernel. The idea is the kernel calls it > from CPUidle, and it saves all CPU context and cuts the power. Then when > power returns, it restores all CPU context and returns to the kernel as if > nothing has happened. > > It handles just the CPU and cluster context, which on A9mpcore includes MMU, > GIC, VFP, SCU, L2cc, Debug, etc. It takes care of cleaning caches and > entering/leaving the coherency domain. There is also support for TrustZone, > but as you say that's quite platform-specific. > > So we would need to integrate this with the SoC-specific code somehow. So you need to refactor these to an ARM-common driver and SoC-specific stubs? /Amit _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
