| /* |
| * Copyright (c) 2016 Cadence Design Systems, Inc. |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <debug/tracing.h> |
| |
| /* |
| * @brief Put the CPU in low-power mode |
| * |
| * This function always exits with interrupts unlocked. |
| * |
| * void k_cpu_idle(void) |
| */ |
| void k_cpu_idle(void) |
| { |
| z_sys_trace_idle(); |
| __asm__ volatile ("waiti 0"); |
| } |
| /* |
| * @brief Put the CPU in low-power mode, entered with IRQs locked |
| * |
| * This function exits with interrupts restored to <key>. |
| * |
| * void k_cpu_atomic_idle(unsigned int key) |
| */ |
| void k_cpu_atomic_idle(unsigned int key) |
| { |
| z_sys_trace_idle(); |
| __asm__ volatile ("waiti 0\n\t" |
| "wsr.ps %0\n\t" |
| "rsync" :: "a"(key)); |
| } |