From: Valentine Barshak <gvaxon@gmail.com>
Date: Sat, 6 Aug 2011 19:43:17 +0000 (+0400)
Subject: [lkrnprefix] Fix lost command line passed by grub
X-Git-Tag: v1.20.1~2080
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a86a848dc324221c39efd5853846e52a70046ed;p=thirdparty%2Fipxe.git

[lkrnprefix] Fix lost command line passed by grub

iPXE specifies a value of 0 for cmdline_size, causing GRUB to not pass
in a command line.  Fix by setting cmdline_size to the maximum value
of 2047.

Signed-off-by: Valentine Barshak <gvaxon@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/arch/i386/prefix/lkrnprefix.S b/src/arch/i386/prefix/lkrnprefix.S
index f87ef85a9..338ffa3d4 100644
--- a/src/arch/i386/prefix/lkrnprefix.S
+++ b/src/arch/i386/prefix/lkrnprefix.S
@@ -160,7 +160,7 @@ relocatable_kernel:
 pad2:
 	.byte	0, 0, 0
 cmdline_size:
-	.long	0
+	.long	0x7ff
 hardware_subarch:
 	.long	0
 hardware_subarch_data: