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39 lines
954 B
NASM
39 lines
954 B
NASM
;------------------------------------------------------------------------------
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;
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; CpuSleep() for ARMv7
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;
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; ARMv6 versions was:
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; MOV r0,#0
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; MCR p15,0,r0,c7,c0,4 ;Wait for Interrupt instruction
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;
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; But this is a no-op on ARMv7
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;
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; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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; Portions copyright (c) 2008 - 2011, 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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EXPORT CpuSleep
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AREA cpu_sleep, CODE, READONLY
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;/**
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; Places the CPU in a sleep state until an interrupt is received.
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;
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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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;**/
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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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CpuSleep
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WFI
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BX LR
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END
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