xnu-1228.3.13.tar.gz

[apple/xnu.git] / osfmk / ppc / _setjmp.s

diff --git a/osfmk/ppc/_setjmp.s b/osfmk/ppc/_setjmp.s
index 9cf5fe7d3921e1cfc2b44aca9b6156eb8f438c6a..534fc35368d644d27abd7d46556cbef56956338e 100644 (file)
--- a/osfmk/ppc/_setjmp.s
+++ b/osfmk/ppc/_setjmp.s
@@ -1,16 +1,19 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ * 
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
@@ -20,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -84,8 +87,8 @@ ENTRY(_setjmp,TAG_NO_FRAME_USED)
        stw     r0,    88(ARG0)  /* Fixed point exception register */
 
 #if FLOATING_POINT_SUPPORT     /* TODO NMGS probably not needed for kern */ 
-       mffs    r0
-       stw     r0,    92(ARG0)  /* Floating point status register */
+       mffs    f0                              /* get FPSCR in low 32 bits of f0 */
+       stfiwx  f0,    92(ARG0)  /* Floating point status register */
 
        stfd    f14,   96(ARG0)  /* Floating point context - 8 byte aligned */
        stfd    f15,  104(ARG0)
@@ -156,8 +159,8 @@ ENTRY(_longjmp, TAG_NO_FRAME_USED)  /* TODO NMGS - need correct tag */
        mtxer   r0
 
 #ifdef FLOATING_POINT_SUPPORT
-       lwz     r0,    92(ARG0)  /* Floating point status register */
-       mtfs    r0
+       lfd     f0,  92-4(ARG0)  /* get Floating point status register in low 32 bits of f0 */
+       mtfsf    0xFF,f0         /* restore FPSCR */
 
        lfd     f14,   96(ARG0)  /* Floating point context - 8 byte aligned */
        lfd     f15,  104(ARG0)