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Annotation of sys/arch/sparc/fpu/fpu_extern.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: fpu_extern.h,v 1.3 2002/03/14 01:26:43 millert Exp $  */
                      2: /*     $NetBSD: fpu_extern.h,v 1.1 1996/03/14 19:41:56 christos Exp $  */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995 Christos Zoulas.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Christos Zoulas.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: struct proc;
                     34: struct fpstate;
                     35: struct trapframe;
                     36: union instr;
                     37: struct fpemu;
                     38: struct fpn;
                     39:
                     40: /* fpu.c */
                     41: void fpu_cleanup(struct proc *, struct fpstate *);
                     42: int fpu_emulate(struct proc *, struct trapframe *, struct fpstate *);
                     43: int fpu_execute(struct fpemu *, union instr);
                     44:
                     45: /* fpu_add.c */
                     46: struct fpn *fpu_add(struct fpemu *);
                     47:
                     48: /* fpu_compare.c */
                     49: void fpu_compare(struct fpemu *, int);
                     50:
                     51: /* fpu_div.c */
                     52: struct fpn *fpu_div(struct fpemu *);
                     53:
                     54: /* fpu_explode.c */
                     55: int fpu_itof(struct fpn *, u_int);
                     56: int fpu_stof(struct fpn *, u_int);
                     57: int fpu_dtof(struct fpn *, u_int, u_int );
                     58: int fpu_xtof(struct fpn *, u_int, u_int , u_int , u_int );
                     59: void fpu_explode(struct fpemu *, struct fpn *, int, int );
                     60:
                     61: /* fpu_implode.c */
                     62: u_int fpu_ftoi(struct fpemu *, struct fpn *);
                     63: u_int fpu_ftos(struct fpemu *, struct fpn *);
                     64: u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);
                     65: u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);
                     66: void fpu_implode(struct fpemu *, struct fpn *, int, u_int *);
                     67:
                     68: /* fpu_mul.c */
                     69: struct fpn *fpu_mul(struct fpemu *);
                     70:
                     71: /* fpu_sqrt.c */
                     72: struct fpn *fpu_sqrt(struct fpemu *);
                     73:
                     74: /* fpu_subr.c */
                     75: int fpu_shr(register struct fpn *, register int);
                     76: void fpu_norm(register struct fpn *);
                     77: struct fpn *fpu_newnan(register struct fpemu *);