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loongarch-next
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2 Commits

Author SHA1 Message Date
Eugeniy Paltsev
f09d3174f0 ARC: allow userspace DSP applications to use AGU extensions 
To be able to run DSP-enabled userspace applications with AGU
(address generation unit) extensions we additionally need to
save and restore following registers at context switch:
 * AGU_AP*
 * AGU_OS*
 * AGU_MOD*

Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 2020-03-16 10:30:49 -07:00
Eugeniy Paltsev
240c84b1c2 ARC: add helpers to sanitize config options 
We'll use this macro in coming patches extensively.

Reviewed-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
 2020-03-16 10:23:25 -07:00