projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 990e25aa | 1 | #------------------------------------------------------------------------------ \r |
| 2 | #\r | |
| 3 | # CpuSleep() for ARM\r | |
| 4 | #\r | |
| de2d3419 HT |
5 | # Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>\r |
| 6 | # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
| 7 | # This program and the accompanying materials\r | |
| 990e25aa | 8 | # are licensed and made available under the terms and conditions of the BSD License\r |
| 9 | # which accompanies this distribution. The full text of the license may be found at\r | |
| 2fc59a00 | 10 | # http://opensource.org/licenses/bsd-license.php.\r |
| 990e25aa | 11 | #\r |
| 12 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | #\r | |
| 15 | #------------------------------------------------------------------------------\r | |
| 16 | \r | |
| 17 | .text\r | |
| 18 | .p2align 2\r | |
| 19 | .globl ASM_PFX(CpuSleep)\r | |
| e7cb469e | 20 | INTERWORK_FUNC(CpuSleep) |
| 990e25aa | 21 | \r |
| 22 | #/**\r | |
| 23 | # Places the CPU in a sleep state until an interrupt is received.\r | |
| 24 | #\r | |
| 25 | # Places the CPU in a sleep state until an interrupt is received. If interrupts\r | |
| 26 | # are disabled prior to calling this function, then the CPU will be placed in a\r | |
| 27 | # sleep state indefinitely.\r | |
| 28 | #\r | |
| 29 | #**/\r | |
| 30 | #VOID\r | |
| 31 | #EFIAPI\r | |
| 32 | #CpuSleep (\r | |
| 33 | # VOID\r | |
| 34 | # );\r | |
| 35 | #\r | |
| 36 | ASM_PFX(CpuSleep):\r | |
| 37 | mov r0,#0\r | |
| 2bd1edf4 | 38 | mcr p15,0,r0,c7,c0,4 // Wait for Interrupt instruction\r |
| 990e25aa | 39 | bx lr\r |