projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 9095d37b | 1 | #------------------------------------------------------------------------------\r |
| 990e25aa | 2 | #\r |
| f7c8bd9f | 3 | # CpuSleep() for ARMv7\r |
| 4 | #\r | |
| 5 | # ARMv6 versions was:\r | |
| 6 | # MOV r0,#0\r | |
| 7 | # MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction\r | |
| 8 | #\r | |
| 9 | # But this is a no-op on ARMv7\r | |
| 990e25aa | 10 | #\r |
| 9095d37b | 11 | # Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| de2d3419 HT |
12 | # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
| 13 | # This program and the accompanying materials\r | |
| 990e25aa | 14 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 15 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 2fc59a00 | 16 | # http://opensource.org/licenses/bsd-license.php.\r |
| 990e25aa | 17 | #\r |
| 18 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 19 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 20 | #\r | |
| 21 | #------------------------------------------------------------------------------\r | |
| 22 | \r | |
| 23 | .text\r | |
| 24 | .p2align 2\r | |
| 4c8a6e06 | 25 | GCC_ASM_EXPORT(CpuSleep)\r |
| 990e25aa | 26 | \r |
| 27 | #/**\r | |
| 28 | # Places the CPU in a sleep state until an interrupt is received.\r | |
| 29 | #\r | |
| 30 | # Places the CPU in a sleep state until an interrupt is received. If interrupts\r | |
| 31 | # are disabled prior to calling this function, then the CPU will be placed in a\r | |
| 32 | # sleep state indefinitely.\r | |
| 33 | #\r | |
| 34 | #**/\r | |
| 35 | #VOID\r | |
| 36 | #EFIAPI\r | |
| 37 | #CpuSleep (\r | |
| 38 | # VOID\r | |
| 39 | # );\r | |
| 40 | #\r | |
| 41 | ASM_PFX(CpuSleep):\r | |
| f7c8bd9f | 42 | wfi\r |
| 990e25aa | 43 | bx lr\r |