1 /** @file 2 CpuSleep function. 3 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 16 /** 17 Places the CPU in a sleep state until an interrupt is received. 18 19 Places the CPU in a sleep state until an interrupt is received. If interrupts 20 are disabled prior to calling this function, then the CPU will be placed in a 21 sleep state indefinitely. 22 23 **/ 24 VOID 25 EFIAPI 26 CpuSleep ( 27 VOID 28 ) 29 { 30 _asm { 31 hlt 32 } 33 } 34 35