diff options
Diffstat (limited to 'OvmfPkg')
-rw-r--r-- | OvmfPkg/Include/IndustryStandard/Bhyve.h | 2 | ||||
-rw-r--r-- | OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c | 34 | ||||
-rw-r--r-- | OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf | 40 |
3 files changed, 76 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/Bhyve.h b/OvmfPkg/Include/IndustryStandard/Bhyve.h index 02ce558..ab8f2b0 100644 --- a/OvmfPkg/Include/IndustryStandard/Bhyve.h +++ b/OvmfPkg/Include/IndustryStandard/Bhyve.h @@ -13,4 +13,6 @@ #define BHYVE_ACPI_TIMER_IO_ADDR 0x408
+#define BHYVE_PM_REG 0x404
+
#endif // __BHYVE_H__
diff --git a/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c b/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c new file mode 100644 index 0000000..c2ac847 --- /dev/null +++ b/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c @@ -0,0 +1,34 @@ +/** @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 ();
+}
diff --git a/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf b/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf new file mode 100644 index 0000000..74124ae --- /dev/null +++ b/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf @@ -0,0 +1,40 @@ +## @file
+# Base library instance for ResetSystem library class for bhyve
+#
+# Copyright (C) 2020, Rebecca Cran <rebecca@bsdio.com>
+# Copyright (C) 2020, Red Hat, Inc.
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 1.29
+ BASE_NAME = BaseResetSystemLibBhyve
+ FILE_GUID = 5c71b08f-0ade-4607-8b9d-946c2757fee8
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ BaseResetShutdownBhyve.c
+ ResetSystemLib.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ IoLib
+ TimerLib
+
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