OvmfPkg/QemuFwCfgAcpiPlatformDxe: Move entry point to QemuFwCfgAcpi.c

Having this entry point in QemuFwCfgAcpi.c should not cause a problem
for the other driver which supports Xen and older QEMU versions.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16880 6f19259b-4bc3-4df7-8a09-765794883524

OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c

@@ -683,3 +683,41 @@ FreeLoader:
 
   return Status;
 }
+
+
+/**
+  Entrypoint of QEMU fw-cfg Acpi Platform driver.
+
+  @param  ImageHandle
+  @param  SystemTable
+
+  @return EFI_SUCCESS
+  @return EFI_LOAD_ERROR
+  @return EFI_OUT_OF_RESOURCES
+
+**/
+EFI_STATUS
+EFIAPI
+QemuFwCfgAcpiPlatformEntryPoint (
+  IN EFI_HANDLE         ImageHandle,
+  IN EFI_SYSTEM_TABLE   *SystemTable
+  )
+{
+  EFI_STATUS                         Status;
+  EFI_ACPI_TABLE_PROTOCOL            *AcpiTable;
+
+  //
+  // Find the AcpiTable protocol
+  //
+  Status = gBS->LocateProtocol (
+                  &gEfiAcpiTableProtocolGuid,
+                  NULL,
+                  (VOID**)&AcpiTable
+                  );
+  if (EFI_ERROR (Status)) {
+    return EFI_ABORTED;
+  }
+
+  Status = InstallAllQemuLinkedTables (AcpiTable);
+  return Status;
+}