Add BhyvePkg, to support the bhyve hypervisor

BhyvePkg supports the bhyve hypervisor, which is a hypervisor/virtual machine manager available on FreeBSD, macOS and Illumos. Signed-off-by: Rebecca Cran <rebecca@bsdio.com> Message-Id: <20200713054131.479627-2-rebecca@bsdio.com> Acked-by: Laszlo Ersek <lersek@redhat.com>
2020-07-12 23:41:31 -06:00
parent 137c2c6eff
commit 656419f922
53 changed files with 12283 additions and 0 deletions
--- a/OvmfPkg/Bhyve/AcpiPlatformDxe/EntryPoint.c
+++ b/OvmfPkg/Bhyve/AcpiPlatformDxe/EntryPoint.c
@@ -0,0 +1,90 @@
+/** @file
+  Entry point of OVMF ACPI Platform Driver
+
+  Copyright (C) 2015, Red Hat, Inc.
+  Copyright (c) 2008 - 2015, Intel Corporation. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Guid/RootBridgesConnectedEventGroup.h>
+#include "AcpiPlatform.h"
+
+STATIC
+EFI_ACPI_TABLE_PROTOCOL *
+FindAcpiTableProtocol (
+  VOID
+  )
+{
+  EFI_STATUS              Status;
+  EFI_ACPI_TABLE_PROTOCOL *AcpiTable;
+
+  Status = gBS->LocateProtocol (
+                  &gEfiAcpiTableProtocolGuid,
+                  NULL,
+                  (VOID**)&AcpiTable
+                  );
+  ASSERT_EFI_ERROR (Status);
+  return AcpiTable;
+}
+
+
+STATIC
+VOID
+EFIAPI
+OnRootBridgesConnected (
+  IN EFI_EVENT Event,
+  IN VOID      *Context
+  )
+{
+  EFI_STATUS Status;
+
+  DEBUG ((DEBUG_INFO,
+    "%a: root bridges have been connected, installing ACPI tables\n",
+    __FUNCTION__));
+  Status = InstallAcpiTables (FindAcpiTableProtocol ());
+  if (EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_ERROR, "%a: InstallAcpiTables: %r\n", __FUNCTION__, Status));
+  }
+  gBS->CloseEvent (Event);
+}
+
+
+EFI_STATUS
+EFIAPI
+AcpiPlatformEntryPoint (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS Status;
+  EFI_EVENT  RootBridgesConnected;
+
+  //
+  // If the platform doesn't support PCI, or PCI enumeration has been disabled,
+  // install the tables at once, and let the entry point's return code reflect
+  // the full functionality.
+  //
+  if (PcdGetBool (PcdPciDisableBusEnumeration)) {
+    DEBUG ((DEBUG_INFO, "%a: PCI or its enumeration disabled, installing "
+      "ACPI tables\n", __FUNCTION__));
+    return InstallAcpiTables (FindAcpiTableProtocol ());
+  }
+
+  //
+  // Otherwise, delay installing the ACPI tables until root bridges are
+  // connected. The entry point's return status will only reflect the callback
+  // setup. (Note that we're a DXE_DRIVER; our entry point function is invoked
+  // strictly before BDS is entered and can connect the root bridges.)
+  //
+  Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_CALLBACK,
+                  OnRootBridgesConnected, NULL /* Context */,
+                  &gRootBridgesConnectedEventGroupGuid, &RootBridgesConnected);
+  if (!EFI_ERROR (Status)) {
+    DEBUG ((DEBUG_INFO,
+      "%a: waiting for root bridges to be connected, registered callback\n",
+      __FUNCTION__));
+  }
+
+  return Status;
+}