From 3ff66e2b64e3013897276e4e1e492e306d697507 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Thu, 29 Oct 2015 22:22:12 -0400
Subject: ich9_prepare_rom(): Get current MAC address

---
diff --git a/src/board/ich9.sh b/src/board/ich9.sh
index 35d7e0d..187aafd 100644
--- a/src/board/ich9.sh
+++ b/src/board/ich9.sh
@@ -22,9 +22,17 @@ ich9_prepare_rom()
 
 	info 'Generating FD and GbE flash regions for Intel ICH9'
 
-	# Get MAC address.
+	# Get current MAC address.
+	for iface in /sys/class/net/*; do
+		[ "x$(cat "${iface}/device/vendor")" = 'x0x8086' ] || continue
+		[ "x$(cat "${iface}/device/device")" = 'x0x10f5' ] || continue
+		mac="$(cat "${iface}/address")"
+		break
+	done
+
+	# Ask for MAC address.
 	while :; do
-		mac="$(show_prompt 'Enter MAC address' '' 17)"
+		mac="$(show_prompt 'Enter MAC address' "${mac}" 17)"
 		case "${mac}" in
 			*[!0-9a-zA-Z:]*)
 				continue
--
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