| #------------------------------------------------------------------------------ | |
| # | |
| # CpuSleep() for ARMv7 | |
| # | |
| # ARMv6 versions was: | |
| # MOV r0,#0 | |
| # MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction | |
| # | |
| # But this is a no-op on ARMv7 | |
| # | |
| # Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> | |
| # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
| # SPDX-License-Identifier: BSD-2-Clause-Patent | |
| # | |
| #------------------------------------------------------------------------------ | |
| .text | |
| .p2align 2 | |
| GCC_ASM_EXPORT(CpuSleep) | |
| #/** | |
| # Places the CPU in a sleep state until an interrupt is received. | |
| # | |
| # Places the CPU in a sleep state until an interrupt is received. If interrupts | |
| # are disabled prior to calling this function, then the CPU will be placed in a | |
| # sleep state indefinitely. | |
| # | |
| #**/ | |
| #VOID | |
| #EFIAPI | |
| #CpuSleep ( | |
| # VOID | |
| # ); | |
| # | |
| ASM_PFX(CpuSleep): | |
| wfi | |
| bx lr |