Module Name: src
Committed By: maxv
Date: Thu Jun 14 17:58:22 UTC 2018
Modified Files:
src/sys/arch/i386/i386: locore.S
Log Message:
Eager FPU on i386.
To generate a diff of this commit:
cvs rdiff -u -r1.156 -r1.157 src/sys/arch/i386/i386/locore.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/i386/i386/locore.S
diff -u src/sys/arch/i386/i386/locore.S:1.156 src/sys/arch/i386/i386/locore.S:1.157
--- src/sys/arch/i386/i386/locore.S:1.156 Thu Jan 4 14:02:23 2018
+++ src/sys/arch/i386/i386/locore.S Thu Jun 14 17:58:22 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.156 2018/01/04 14:02:23 maxv Exp $ */
+/* $NetBSD: locore.S,v 1.157 2018/06/14 17:58:22 maxv Exp $ */
/*
* Copyright-o-rama!
@@ -128,7 +128,7 @@
*/
#include <machine/asm.h>
-__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.156 2018/01/04 14:02:23 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: locore.S,v 1.157 2018/06/14 17:58:22 maxv Exp $");
#include "opt_copy_symtab.h"
#include "opt_ddb.h"
@@ -1089,6 +1089,19 @@ ENTRY(cpu_switchto)
movl %ebp,PCB_EBP(%eax)
skip_save:
+#ifndef XEN
+ pushl %edx
+ movb _C_LABEL(x86_fpu_eager),%dl
+ testb %dl,%dl
+ jz .Lno_eagerfpu
+ pushl %edi
+ pushl %esi
+ call _C_LABEL(fpu_eagerswitch)
+ addl $8,%esp
+.Lno_eagerfpu:
+ popl %edx
+#endif
+
/* Switch to newlwp's stack. */
movl L_PCB(%edi),%ebx
movl PCB_EBP(%ebx),%ebp
