xnu-792.24.17.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 6ac9a34e10597f4120f11becdca2dc3bb29f7f0b..9721e52cbf2bc478b1e3c791bd29dca5576f1d0e 100644 (file)
--- a/osfmk/mach/i386/fp_reg.h
+++ b/osfmk/mach/i386/fp_reg.h
@@ -1,29 +1,23 @@
 /*
  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_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. 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.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * 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
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -59,9 +53,32 @@
 #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 x86_fx_save {
+struct i386_fx_save {
         unsigned short  fx_control;     /* control */
         unsigned short  fx_status;      /* status */
         unsigned char          fx_tag;         /* register tags */
@@ -75,10 +92,9 @@ struct x86_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][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 */
+        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 */
 };