Index: boot/arch/ia64/src/boot.S
===================================================================
--- boot/arch/ia64/src/boot.S	(revision af103f40a5c45262b228af355830e8ec9475ffce)
+++ boot/arch/ia64/src/boot.S	(revision bc255aa49f163415977fd699f1505b45d5a03fed)
@@ -37,4 +37,11 @@
 
 	#
+	# Save the boot parameter structure address passed from the
+	# ELILO-compatible EFI loader.
+	#
+	movl r8 = bootpar ;;
+	st8 [r8] = r28
+
+	#
 	# Initialize the register stack to some sane value.
 	#
@@ -62,4 +69,8 @@
 .bss
 
+.global bootpar
+bootpar:
+	.quad 0
+
 .align STACK_SIZE
 initial_stack: