Messages in this thread | | | From | Vineet Gupta <> | Subject | Re: [PATCH v2 3/4] ARC: add support for DSP-enabled userspace applications | Date | Wed, 11 Mar 2020 19:13:28 +0000 |
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On 3/5/20 12:02 PM, Eugeniy Paltsev wrote: > To be able to run DSP-enabled userspace applications we need to > save and restore following DSP-related registers: > At IRQ/exception entry/exit: > * DSP_CTRL (save it and reset to value suitable for kernel) > * ACC0_LO, ACC0_HI (we already save them as r58, r59 pair) > At context switch: > * ACC0_GLO, ACC0_GHI > * DSP_BFLY0, DSP_FFT_CTRL > > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
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