From: Michael Brown <mcb30@etherboot.org>
Date: Wed, 24 May 2006 14:11:36 +0000 (+0000)
Subject: Remove the automatic segment register save and restore; most users of
X-Git-Tag: v0.9.3~1349
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=edcf89e2b028cc8ed66ac07a56d34d51eedf1b06;p=thirdparty%2Fipxe.git

Remove the automatic segment register save and restore; most users of
REAL_CODE() don't need it.
---

diff --git a/src/arch/i386/include/libkir.h b/src/arch/i386/include/libkir.h
index 008dff7e8..82df82222 100644
--- a/src/arch/i386/include/libkir.h
+++ b/src/arch/i386/include/libkir.h
@@ -216,15 +216,7 @@ virt_to_user ( void * virtual ) {
 /* REAL_CODE: declare a fragment of code that executes in real mode */
 #define REAL_CODE( asm_code_str )	\
 	".code16\n\t"			\
-	"pushw %%gs\n\t"		\
-	"pushw %%fs\n\t"		\
-	"pushw %%es\n\t"		\
-	"pushw %%ds\n\t"		\
 	asm_code_str "\n\t"		\
-	"popw %%ds\n\t"			\
-	"popw %%es\n\t"			\
-	"popw %%fs\n\t"			\
-	"popw %%gs\n\t"			\
 	".code16gcc\n\t"
 
 #endif /* ASSEMBLY */