From 48e795005d6145ab3a09159fbaa992802b657cee Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Sat, 20 Feb 2021 12:55:42 +0100
Subject: 9boot: handle automatic length for 64-bit values in hexfmt() for
 framebuffer address (thanks Michael Forney)

---
 sys/src/boot/efi/sub.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/src/boot/efi/sub.c b/sys/src/boot/efi/sub.c
index 798e5a92f..8e73c361f 100644
--- a/sys/src/boot/efi/sub.c
+++ b/sys/src/boot/efi/sub.c
@@ -306,8 +306,8 @@ numfmt(char *s, ulong b, ulong i, ulong a)
 char*
 hexfmt(char *s, int i, uvlong a)
 {
-	if(i > 8){
-		s = numfmt(s, 16, i-8, a>>32);
+	if(i > 8 || i == 0 && (a>>32) != 0){
+		s = numfmt(s, 16, i ? i-8 : 0, a>>32);
 		i = 8;
 	}
 	return numfmt(s, 16, i, a);
-- 
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