Add EFI bootloader subproject

xtldr/xtldr.c

@@ -0,0 +1,44 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtldr/xtldr.c
+ * DESCRIPTION:     UEFI XT Bootloader
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtbl.h>
+
+
+/* EFI Image Handle */
+EFI_HANDLE EfiImageHandle;
+
+/* EFI System Table */
+PEFI_SYSTEM_TABLE EfiSystemTable;
+
+/**
+ * This routine is the entry point of the XT EFI boot loader.
+ *
+ * @param ImageHandle
+ *        Firmware-allocated handle that identifies the image.
+ *
+ * @param SystemTable
+ *        Provides the EFI system table.
+ *
+ * @return This routine returns status code.
+ *
+ * @since XT 1.0
+ */
+EFI_STATUS
+XtLoaderStartup(IN EFI_HANDLE ImageHandle,
+                IN PEFI_SYSTEM_TABLE SystemTable)
+{
+    /* Set the system table and image handle */
+    EfiImageHandle = ImageHandle;
+    EfiSystemTable = SystemTable;
+
+    /* Infinite bootloader loop */
+    for(;;);
+
+    /* Return success */
+    return STATUS_EFI_SUCCESS;
+}