Initial support for xtldr modules and bootloader protocol

xtldr/xtldr.c

@@ -18,6 +18,43 @@ PEFI_SYSTEM_TABLE EfiSystemTable;
 /* Serial port configuration */
 CPPORT EfiSerialPort;
 
+/**
+ * This routine loads XTLDR EFI modules.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+EFI_STATUS
+BlLoadEfiModules()
+{
+    EFI_STATUS Status;
+
+    return STATUS_EFI_SUCCESS;
+}
+
+/**
+ * This routine registers XTLDR protocol for further usage by modules.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+EFI_STATUS
+BlRegisterXtLoaderProtocol()
+{
+    EFI_GUID Guid = XT_BOOT_LOADER_PROTOCOL_GUID;
+    XT_BOOT_LOADER_PROTOCOL LoaderProtocol;
+    EFI_HANDLE Handle;
+
+    /* Set all routines available via loader protocol */
+    LoaderProtocol.DbgPrint = BlDbgPrint;
+    LoaderProtocol.EfiPrint = BlEfiPrint;
+
+    /* Register loader protocol */
+    return EfiSystemTable->BootServices->InstallProtocolInterface(&Handle, &Guid, EFI_NATIVE_INTERFACE, &LoaderProtocol);
+}
+
 /**
  * This routine is the entry point of the XT EFI boot loader.
  *
@@ -60,6 +97,20 @@ BlStartXtLoader(IN EFI_HANDLE ImageHandle,
         BlDbgPrint(L"WARNING: Failed to disable watchdog timer\n");
     }
 
+    /* Register loader protocol */
+    Status = BlRegisterXtLoaderProtocol();
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        /* Failed to register loader protocol */
+        BlDbgPrint(L"ERROR: Failed to register XTLDR loader protocol\n");
+    }
+
+    Status = BlLoadEfiModules();
+    if(Status != STATUS_EFI_SUCCESS)
+    {
+        BlDbgPrint(L"ERROR: Failed to load XTLDR modules\n");
+    }
+
     /* Discover and enumerate EFI block devices */
     BlEnumerateEfiBlockDevices();