Context switching for VFP registers on Cortex-A8 board.

Sebastian Huber sebastian.huber at embedded-brains.de
Tue Dec 2 10:34:52 UTC 2014


On 02/12/14 11:29, Thomas Kim wrote:
>
> As I check disassembly code of memcpy, register {d0-d7} are used for 
> vst or vld instruction.
>
> Therefore, I am guessing VFP registers' range for context switching is 
> not {d8-d15}, but, {d0-d7}.

No, this is not the case.

>
> Please advise me.

Please consult the ARM EABI documentation.

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