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- /*-
- * Copyright (c) 1985 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Computer Consoles Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)Kfp.h 7.1 (Berkeley) 12/6/90
- */
-
- /*
- * Opcodes to be emulated by kernel software.
- */
- #define CVLF 0x76
- #define CVLD 0x77
- #define CVFL 0x86
- #define CVDL 0x87
- #define LDFD 0x97
- #define CVDF 0xa6
- #define ADDF 0xc6
- #define ADDD 0xc7
- #define SUBF 0xd6
- #define SUBD 0xd7
- #define MULF 0xe6
- #define MULD 0xe7
- #define DIVF 0xf6
- #define DIVD 0xf7
- #define SINF 0x05
- #define COSF 0x15
- #define ATANF 0x25
- #define LOGF 0x35
- #define SQRTF 0x45
- #define EXPF 0x55
-
- /* HFS bits: */
- #define HFS_UNDF 0x008 /* float underflow */
- #define HFS_OVF 0x004 /* float overflow */
-
- #define HFS_RANGE 0x8000 /* set u_error to ERANGE */
- #define HFS_DOM 0x4000 /* set u_error to EDOM */
- #define HFS_DIVZ 0x2000 /* divide by zero flag */
-
- /* destination types for the f.p. opcodes: */
- #define LONG 01
- #define FLOAT 02
- #define DOUBLE 03
-
- /* exceptions: */
- #define OVF_EXC 0x003 /* floating overflow */
- #define UNDF_EXC 0x004 /* floating underflow */
- #define DIV0_EXC 0x005 /* floating divide by 0 */
-