| #------------------------------------------------------------------------------ | |
| # | |
| # CpuPause for LoongArch | |
| # | |
| # Copyright (c) 2022, Loongson Technology Corporation Limited. All rights reserved.<BR> | |
| # | |
| # SPDX-License-Identifier: BSD-2-Clause-Patent | |
| # | |
| #------------------------------------------------------------------------------ | |
| ASM_GLOBAL ASM_PFX(CpuPause) | |
| #/** | |
| # Requests CPU to pause for a short period of time. | |
| # | |
| # Requests CPU to pause for a short period of time. Typically used in MP | |
| # systems to prevent memory starvation while waiting for a spin lock. | |
| # | |
| #**/ | |
| ASM_PFX(CpuPause): | |
| nop | |
| nop | |
| nop | |
| nop | |
| nop | |
| nop | |
| nop | |
| nop | |
| jirl $zero, $ra, 0 | |
| .end |