xnu-792.18.15.tar.gz

[apple/xnu.git] / osfmk / mach / i386 / fp_reg.h

diff --git a/osfmk/mach/i386/fp_reg.h b/osfmk/mach/i386/fp_reg.h
index c0fceb6f7b6598106a2176072c399126a2b63c71..6ac9a34e10597f4120f11becdca2dc3bb29f7f0b 100644 (file)
--- a/osfmk/mach/i386/fp_reg.h
+++ b/osfmk/mach/i386/fp_reg.h
@@ -1,14 +1,19 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @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
@@ -18,7 +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@
@@ -54,32 +59,9 @@
 #ifndef        _I386_FP_SAVE_H_
 #define        _I386_FP_SAVE_H_
 
-/*
- *     Floating point registers and status, as saved
- *     and restored by FP save/restore instructions.
- */
-struct i386_fp_save    {
-       unsigned short  fp_control;     /* control */
-       unsigned short  fp_unused_1;
-       unsigned short  fp_status;      /* status */
-       unsigned short  fp_unused_2;
-       unsigned short  fp_tag;         /* register tags */
-       unsigned short  fp_unused_3;
-       unsigned int    fp_eip;         /* eip at failed instruction */
-       unsigned short  fp_cs;          /* cs at failed instruction */
-       unsigned short  fp_opcode;      /* opcode of failed instruction */
-       unsigned int    fp_dp;          /* data address */
-       unsigned short  fp_ds;          /* data segment */
-       unsigned short  fp_unused_4;
-};
-
-struct i386_fp_regs {
-       unsigned short  fp_reg_word[5][8];
-                                       /* space for 8 80-bit FP registers */
-};
 
 /* note when allocating this data structure, it must be 16 byte aligned. */
-struct i386_fx_save {
+struct x86_fx_save {
         unsigned short  fx_control;     /* control */
         unsigned short  fx_status;      /* status */
         unsigned char          fx_tag;         /* register tags */
@@ -93,9 +75,10 @@ struct i386_fx_save {
         unsigned short  fx_bbz3;       /* better be zero when calling fxrtstor */
         unsigned int   fx_MXCSR;
         unsigned int   fx_MXCSR_MASK;
-        unsigned short  fx_reg_word[8][8];      /* STx/MMx registers */
-        unsigned short  fx_XMM_reg[8][8];       /* XMM0-XMM7 */
-        unsigned char  fx_reserved[16*14];     /* reserved by intel for future expansion */
+        unsigned short  fx_reg_word[8][8];     /* STx/MMx registers */
+        unsigned short  fx_XMM_reg[8][16];     /* XMM0-XMM15 on 64 bit processors */
+                                                /* XMM0-XMM7  on 32 bit processors... unused storage reserved */
+        unsigned char  fx_reserved[16*6];      /* reserved by intel for future expansion */
 };