- Change movw $0x0000,%ax to xorw %ax,%ax (because of probable bug in binutils, which compiles the first instruction into something weird)

- Add segment registers save+restore in Int386() in FreeLdr (thanks to tamlin too)

svn path=/trunk/; revision=24776

reactos/boot/freeldr/freeldr/arch/i386/arch.S

@@ -84,7 +84,7 @@ EXTERN(switch_to_prot)
 	/* Of course CS has to already be valid. */
 	/* We are currently in real-mode so we */
 	/* need real-mode segment values. */
-	movw	$0x0000,%ax
+	xorw	%ax,%ax
 	movw	%ax,%ds
 	movw	%ax,%es
 	movw	%ax,%fs

reactos/boot/freeldr/freeldr/arch/i386/int386.S

@@ -74,7 +74,12 @@ EXTERN(_Int386)
 	movl	0x0c(%esp),%eax
 	movl	%eax,Int386_regsout
 
+	/* Save all registers + segment registers */
 	pushal
+	pushw	%ds
+	pushw	%es
+	pushw	%fs
+	pushw	%gs
 
 	/* Copy the input regs to our variables */
 	movl	$Int386_REGS,%edi
@@ -147,6 +152,11 @@ Int386_vector_opcode:
 	rep
 	movsb
 
+	/* Restore segment and all other registers */
+	popw	%gs
+	popw	%fs
+	popw	%es
+	popw	%ds
 	popal
 
 	/* Get return value */