From: Joshua Oreman <oremanj@rwcr.net>
Date: Mon, 23 Jul 2012 22:07:52 +0000 (+0100)
Subject: [tcpip] Fix building under Cygwin
X-Git-Tag: v1.20.1~1682
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fb7c022c2c72c4e3a549cb7a9157e60ef2e42b09;p=thirdparty%2Fipxe.git

[tcpip] Fix building under Cygwin

Cygwin's assembler treats '/' as a comment character.

Reported-by: Steve Goodrich <steve.goodrich@se-eng.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/arch/x86/core/x86_tcpip.c b/src/arch/x86/core/x86_tcpip.c
index b4e7c3b83..8a4ce5152 100644
--- a/src/arch/x86/core/x86_tcpip.c
+++ b/src/arch/x86/core/x86_tcpip.c
@@ -123,7 +123,7 @@ uint16_t x86_tcpip_continue_chksum ( uint16_t partial,
 		  "\nx86_tcpip_loop_end:\n\t"
 		  "loop x86_tcpip_loop_start\n\t"
 		  ".equ x86_tcpip_loop_step_size, "
-		  "  ( ( x86_tcpip_loop_end - x86_tcpip_loop_start ) / 16 )\n\t"
+		  "  ( ( x86_tcpip_loop_end - x86_tcpip_loop_start ) >> 4 )\n\t"
 
 		  /* Checksum remaining whole words */
 		  "mov %13, %3\n\t"