mirror of https://github.com/acidanthera/audk.git
35 lines
951 B
C
35 lines
951 B
C
/** @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 ();
|
|
}
|