X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FLibrary%2FResetSystemLib%2FResetSystemLib.c;h=27460cd100ab9cc3b31608861aee00bfd91355ff;hb=84c0b80de7162c068aead20450528098afd1fe4a;hp=6d149e84c21e6ce57da8d45ed1f4cebbf8e0f591;hpb=f91d18df575c05d5df24520e05debe0f0bb37084;p=mirror_edk2.git
diff --git a/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c b/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
index 6d149e84c2..27460cd100 100644
--- a/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
+++ b/OvmfPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -1,14 +1,8 @@
/** @file
Reset System Library functions for OVMF
- Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -17,18 +11,37 @@
#include
#include
#include
-#include
#include
+#include
+
+#include
VOID
AcpiPmControl (
UINTN SuspendType
)
{
+ UINT16 AcpiPmBaseAddress;
+ UINT16 HostBridgeDevId;
+
ASSERT (SuspendType < 6);
- IoBitFieldWrite16 (PcdGet16 (PcdAcpiPmBaseAddress) + 4, 10, 13, (UINT16) SuspendType);
- IoOr16 (PcdGet16 (PcdAcpiPmBaseAddress) + 4, BIT13);
+ 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, (UINT16) SuspendType);
+ IoOr16 (AcpiPmBaseAddress + 4, BIT13);
CpuDeadLoop ();
}
@@ -106,3 +119,67 @@ EnterS3WithImmediateWake (
AcpiPmControl (1);
ASSERT (FALSE);
}
+
+/**
+ 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 ();
+ return;
+
+ case EfiResetPlatformSpecific:
+ ResetPlatformSpecific (DataSize, ResetData);
+ return;
+
+ default:
+ return;
+ }
+}