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/** @file
Base Reset System Library Shutdown API implementation for bhyve.
Copyright (C) 2020, Rebecca Cran <rebecca@bsdio.com>
Copyright (C) 2020, Red Hat, Inc.
Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Base.h> // BIT13
#include <IndustryStandard/Bhyve.h> // BHYVE_PM_REG
#include <Library/BaseLib.h> // CpuDeadLoop()
#include <Library/IoLib.h> // IoOr16()
#include <Library/ResetSystemLib.h> // ResetShutdown()
/**
Calling this function causes the system to enter a power state equivalent
to the ACPI G2/S5 or G3 states.
System shutdown should not return, if it returns, it means the system does
not support shut down reset.
**/
VOID
EFIAPI
ResetShutdown (
VOID
)
{
IoBitFieldWrite16 (BHYVE_PM_REG, 10, 13, 5);
IoOr16 (BHYVE_PM_REG, BIT13);
CpuDeadLoop ();
}
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