svn commit: r333523 - head/sys/i386/include

[Konstantin Belousov]

Author: kib
Date: Sat May 12 10:51:50 2018
New Revision: 333523
URL: https://svnweb.freebsd.org/changeset/base/333523

Log:
  Create a macro for PIC code which loads %cr3 from tramp_idleptd.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/i386/include/asmacros.h

Modified: head/sys/i386/include/asmacros.h
==============================================================================
--- head/sys/i386/include/asmacros.h	Sat May 12 10:48:53 2018	(r333522)
+++ head/sys/i386/include/asmacros.h	Sat May 12 10:51:50 2018	(r333523)
@@ -198,11 +198,15 @@
 	movl	%edx, %esp
 	.endm
 
-	.macro	MOVE_STACKS
+	.macro	LOAD_KCR3
 	call	1000f
 1000:	popl	%eax
 	movl	(tramp_idleptd - 1000b)(%eax), %eax
 	movl	%eax, %cr3
+	.endm
+
+	.macro	MOVE_STACKS
+	LOAD_KCR3
 	NMOVE_STACKS
 	.endm