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28 lines
624 B
C
28 lines
624 B
C
/** @file
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CpuSleep function for Ia32/X64 GCC.
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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/**
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Places the CPU in a sleep state until an interrupt is received.
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Places the CPU in a sleep state until an interrupt is received. If interrupts
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are disabled prior to calling this function, then the CPU will be placed in a
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sleep state indefinitely.
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**/
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VOID
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EFIAPI
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CpuSleep (
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VOID
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)
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{
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__asm__ __volatile__ ("hlt"::: "memory");
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}
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