diff options
Diffstat (limited to 'roms/edk2/OvmfPkg/Library/ResetSystemLib')
7 files changed, 388 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetShutdown.c b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetShutdown.c new file mode 100644 index 000000000..21c80e432 --- /dev/null +++ b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetShutdown.c @@ -0,0 +1,51 @@ +/** @file
+ Base Reset System Library Shutdown API implementation for OVMF.
+
+ 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 <Library/BaseLib.h> // CpuDeadLoop()
+#include <Library/DebugLib.h> // ASSERT()
+#include <Library/IoLib.h> // IoOr16()
+#include <Library/PciLib.h> // PciRead16()
+#include <Library/ResetSystemLib.h> // ResetShutdown()
+#include <OvmfPlatforms.h> // OVMF_HOSTBRIDGE_DID
+
+/**
+ 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
+ )
+{
+ UINT16 AcpiPmBaseAddress;
+ UINT16 HostBridgeDevId;
+
+ AcpiPmBaseAddress = 0;
+ HostBridgeDevId = PciRead16 (OVMF_HOSTBRIDGE_DID);
+ switch (HostBridgeDevId) {
+ case INTEL_82441_DEVICE_ID:
+ AcpiPmBaseAddress = PIIX4_PMBA_VALUE;
+ break;
+ case INTEL_Q35_MCH_DEVICE_ID:
+ AcpiPmBaseAddress = ICH9_PMBASE_VALUE;
+ break;
+ default:
+ ASSERT (FALSE);
+ CpuDeadLoop ();
+ }
+
+ IoBitFieldWrite16 (AcpiPmBaseAddress + 4, 10, 13, 0);
+ IoOr16 (AcpiPmBaseAddress + 4, BIT13);
+ CpuDeadLoop ();
+}
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetShutdownBhyve.c new file mode 100644 index 000000000..c2ac84787 --- /dev/null +++ b/roms/edk2/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/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLib.inf b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLib.inf new file mode 100644 index 000000000..35d317f1e --- /dev/null +++ b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLib.inf @@ -0,0 +1,38 @@ +## @file
+# Base library instance for ResetSystem library class for OVMF
+#
+# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = BaseResetSystemLib
+ FILE_GUID = 66564872-21d4-4d2a-a68b-1e844f980820
+ MODULE_TYPE = BASE
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib|SEC PEI_CORE PEIM DXE_CORE
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ BaseResetShutdown.c
+ ResetSystemLib.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ IoLib
+ PciLib
+ TimerLib
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf b/roms/edk2/OvmfPkg/Library/ResetSystemLib/BaseResetSystemLibBhyve.inf new file mode 100644 index 000000000..74124aed3 --- /dev/null +++ b/roms/edk2/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
+
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetShutdown.c b/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetShutdown.c new file mode 100644 index 000000000..5a75c32df --- /dev/null +++ b/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetShutdown.c @@ -0,0 +1,62 @@ +/** @file
+ DXE Reset System Library Shutdown API implementation for OVMF.
+
+ 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 <Library/BaseLib.h> // CpuDeadLoop()
+#include <Library/DebugLib.h> // ASSERT()
+#include <Library/IoLib.h> // IoOr16()
+#include <Library/PcdLib.h> // PcdGet16()
+#include <Library/ResetSystemLib.h> // ResetShutdown()
+#include <OvmfPlatforms.h> // PIIX4_PMBA_VALUE
+
+STATIC UINT16 mAcpiPmBaseAddress;
+
+EFI_STATUS
+EFIAPI
+DxeResetInit (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ UINT16 HostBridgeDevId;
+
+ HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);
+ switch (HostBridgeDevId) {
+ case INTEL_82441_DEVICE_ID:
+ mAcpiPmBaseAddress = PIIX4_PMBA_VALUE;
+ break;
+ case INTEL_Q35_MCH_DEVICE_ID:
+ mAcpiPmBaseAddress = ICH9_PMBASE_VALUE;
+ break;
+ default:
+ ASSERT (FALSE);
+ CpuDeadLoop ();
+ return EFI_UNSUPPORTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ 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 (mAcpiPmBaseAddress + 4, 10, 13, 0);
+ IoOr16 (mAcpiPmBaseAddress + 4, BIT13);
+ CpuDeadLoop ();
+}
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf b/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf new file mode 100644 index 000000000..a9b4ce900 --- /dev/null +++ b/roms/edk2/OvmfPkg/Library/ResetSystemLib/DxeResetSystemLib.inf @@ -0,0 +1,43 @@ +## @file
+# DXE library instance for ResetSystem library class for OVMF
+#
+# 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 = DxeResetSystemLib
+ FILE_GUID = bc7835ea-4094-41fe-b770-bad9e6c479b2
+ MODULE_TYPE = DXE_DRIVER
+ VERSION_STRING = 1.0
+ LIBRARY_CLASS = ResetSystemLib|DXE_DRIVER DXE_RUNTIME_DRIVER SMM_CORE DXE_SMM_DRIVER UEFI_DRIVER UEFI_APPLICATION
+ CONSTRUCTOR = DxeResetInit
+
+#
+# The following information is for reference only and not required by the build
+# tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Sources]
+ DxeResetShutdown.c
+ ResetSystemLib.c
+
+[Packages]
+ MdeModulePkg/MdeModulePkg.dec
+ MdePkg/MdePkg.dec
+ OvmfPkg/OvmfPkg.dec
+
+[LibraryClasses]
+ BaseLib
+ DebugLib
+ IoLib
+ PcdLib
+ TimerLib
+
+[Pcd]
+ gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId ## CONSUMES
diff --git a/roms/edk2/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c b/roms/edk2/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c new file mode 100644 index 000000000..fe51f53d1 --- /dev/null +++ b/roms/edk2/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c @@ -0,0 +1,120 @@ +/** @file
+ Reset System Library functions for OVMF
+
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Base.h> // BIT1
+
+#include <Library/BaseLib.h> // CpuDeadLoop()
+#include <Library/IoLib.h> // IoWrite8()
+#include <Library/ResetSystemLib.h> // ResetCold()
+#include <Library/TimerLib.h> // MicroSecondDelay()
+
+/**
+ Calling this function causes a system-wide reset. This sets
+ all circuitry within the system to its initial state. This type of reset
+ is asynchronous to system operation and operates without regard to
+ cycle boundaries.
+
+ System reset should not return, if it returns, it means the system does
+ not support cold reset.
+**/
+VOID
+EFIAPI
+ResetCold (
+ VOID
+ )
+{
+ IoWrite8 (0xCF9, BIT2 | BIT1); // 1st choice: PIIX3 RCR, RCPU|SRST
+ MicroSecondDelay (50);
+
+ IoWrite8 (0x64, 0xfe); // 2nd choice: keyboard controller
+ CpuDeadLoop ();
+}
+
+/**
+ Calling this function causes a system-wide initialization. The processors
+ are set to their initial state, and pending cycles are not corrupted.
+
+ System reset should not return, if it returns, it means the system does
+ not support warm reset.
+**/
+VOID
+EFIAPI
+ResetWarm (
+ VOID
+ )
+{
+ IoWrite8 (0x64, 0xfe);
+ CpuDeadLoop ();
+}
+
+
+/**
+ This function causes a systemwide reset. The exact type of the reset is
+ defined by the EFI_GUID that follows the Null-terminated Unicode string
+ passed into ResetData. If the platform does not recognize the EFI_GUID in
+ ResetData the platform must pick a supported reset type to perform.The
+ platform may optionally log the parameters from any non-normal reset that
+ occurs.
+
+ @param[in] DataSize The size, in bytes, of ResetData.
+ @param[in] ResetData The data buffer starts with a Null-terminated string,
+ followed by the EFI_GUID.
+**/
+VOID
+EFIAPI
+ResetPlatformSpecific (
+ IN UINTN DataSize,
+ IN VOID *ResetData
+ )
+{
+ ResetCold ();
+}
+
+/**
+ The ResetSystem function resets the entire platform.
+
+ @param[in] ResetType The type of reset to perform.
+ @param[in] ResetStatus The status code for the reset.
+ @param[in] DataSize The size, in bytes, of ResetData.
+ @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or
+ EfiResetShutdown the data buffer starts with a
+ Null-terminated string, optionally followed by
+ additional binary data. The string is a description
+ that the caller may use to further indicate the
+ reason for the system reset.
+**/
+VOID
+EFIAPI
+ResetSystem (
+ IN EFI_RESET_TYPE ResetType,
+ IN EFI_STATUS ResetStatus,
+ IN UINTN DataSize,
+ IN VOID *ResetData OPTIONAL
+ )
+{
+ switch (ResetType) {
+ case EfiResetWarm:
+ ResetWarm ();
+ break;
+
+ case EfiResetCold:
+ ResetCold ();
+ break;
+
+ case EfiResetShutdown:
+ ResetShutdown ();
+ break;
+
+ case EfiResetPlatformSpecific:
+ ResetPlatformSpecific (DataSize, ResetData);
+ break;
+
+ default:
+ break;
+ }
+}
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