1 files changed, 153 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/ResetSystemLib/ResetSystemLib.c b/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/ResetSystemLib/ResetSystemLib.c
new file mode 100644
index 00000000..c208d172
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/UefiPayloadPkg/Library/ResetSystemLib/ResetSystemLib.c
@@ -0,0 +1,153 @@
+/** @file
+  Reset System Library functions for bootloader
+
+  Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiDxe.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Guid/AcpiBoardInfoGuid.h>
+
+ACPI_BOARD_INFO    mAcpiBoardInfo;
+
+/**
+  The constructor function to initialize mAcpiBoardInfo.
+
+  @retval EFI_SUCCESS   The constructor always returns RETURN_SUCCESS.
+
+**/
+RETURN_STATUS
+EFIAPI
+ResetSystemLibConstructor (
+  VOID
+  )
+{
+  EFI_HOB_GUID_TYPE  *GuidHob;
+  ACPI_BOARD_INFO    *AcpiBoardInfoPtr;
+
+  //
+  // Find the acpi board information guid hob
+  //
+  GuidHob = GetFirstGuidHob (&gUefiAcpiBoardInfoGuid);
+  ASSERT (GuidHob != NULL);
+
+  AcpiBoardInfoPtr = (ACPI_BOARD_INFO *)GET_GUID_HOB_DATA (GuidHob);
+  CopyMem (&mAcpiBoardInfo, AcpiBoardInfoPtr, sizeof (ACPI_BOARD_INFO));
+
+  return EFI_SUCCESS;
+}
+
+
+VOID
+AcpiPmControl (
+  UINTN   SuspendType
+  )
+{
+  UINTN              PmCtrlReg;
+
+  ASSERT (SuspendType <= 7);
+
+  PmCtrlReg = (UINTN)mAcpiBoardInfo.PmCtrlRegBase;
+  IoAndThenOr16 (PmCtrlReg, (UINT16) ~0x3c00, (UINT16) (SuspendType << 10));
+  IoOr16 (PmCtrlReg, BIT13);
+  CpuDeadLoop ();
+}
+
+/**
+  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 ((UINTN)mAcpiBoardInfo.ResetRegAddress, mAcpiBoardInfo.ResetValue);
+  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 ((UINTN)mAcpiBoardInfo.ResetRegAddress, mAcpiBoardInfo.ResetValue);
+  CpuDeadLoop ();
+}
+
+/**
+  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
+  )
+{
+  UINTN              PmCtrlReg;
+
+  //
+  // GPE0_EN should be disabled to avoid any GPI waking up the system from S5
+  //
+  IoWrite16 ((UINTN)mAcpiBoardInfo.PmGpeEnBase,  0);
+
+  //
+  // Clear Power Button Status
+  //
+  IoWrite16((UINTN) mAcpiBoardInfo.PmEvtBase, BIT8);
+
+  //
+  // Transform system into S5 sleep state
+  //
+  PmCtrlReg = (UINTN)mAcpiBoardInfo.PmCtrlRegBase;
+  IoAndThenOr16 (PmCtrlReg, (UINT16) ~0x3c00, (UINT16) (7 << 10));
+  IoOr16 (PmCtrlReg, BIT13);
+  CpuDeadLoop ();
+
+  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 ();
+}