2017-01-23 00:21:34 +08:00
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/*
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* Copyright (c) 2016 Cadence Design Systems, Inc.
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* SPDX-License-Identifier: Apache-2.0
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*/
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2020-02-06 22:14:51 +08:00
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#include <tracing/tracing.h>
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2017-01-23 00:21:34 +08:00
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2019-11-08 04:43:29 +08:00
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void arch_cpu_idle(void)
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2017-01-23 00:21:34 +08:00
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{
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2019-09-19 15:25:19 +08:00
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sys_trace_idle();
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2017-02-16 06:57:29 +08:00
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__asm__ volatile ("waiti 0");
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2017-01-23 00:21:34 +08:00
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}
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2019-11-08 04:43:29 +08:00
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void arch_cpu_atomic_idle(unsigned int key)
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2017-01-23 00:21:34 +08:00
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{
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2019-09-19 15:25:19 +08:00
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sys_trace_idle();
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2017-02-16 06:57:29 +08:00
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__asm__ volatile ("waiti 0\n\t"
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"wsr.ps %0\n\t"
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"rsync" :: "a"(key));
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2017-01-23 00:21:34 +08:00
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}
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