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Diffstat (limited to 'sys/arch/mvme88k/machine/ieeefp.h')
| -rw-r--r-- | sys/arch/mvme88k/machine/ieeefp.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/arch/mvme88k/machine/ieeefp.h b/sys/arch/mvme88k/machine/ieeefp.h new file mode 100644 index 00000000000..570e7ee5899 --- /dev/null +++ b/sys/arch/mvme88k/machine/ieeefp.h @@ -0,0 +1,55 @@ +/* + * Copyright (c) 1996 Nivas Madhur + * All rights reserved. + * + * 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 Nivas Madhur. + * 4. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. + * + */ +/* + * Values for fp_except are selected to match the bits in FPSR (see + * m88100 user's manual page 6-33). This file is derived from the + * defintions in the ABI/88k manual and sparc port. + * -- Nivas + */ + +#ifndef _M88K_IEEEFP_H_ +#define _M88K_IEEEFP_H_ + +typedef int fp_except; +#define FP_X_INV 0x10 /* invalid operation exception */ +#define FP_X_DZ 0x08 /* divide-by-zero exception */ +#define FP_X_UFL 0x04 /* underflow exception */ +#define FP_X_OFL 0x02 /* overflow exception */ +#define FP_X_IMP 0x01 /* imprecise (loss of precision) */ + +typedef enum { + FP_RN=0, /* round to nearest representable number */ + FP_RZ=1, /* round to zero (truncate) */ + FP_RM=2, /* round toward negative infinity */ + FP_RP=3 /* round toward positive infinity */ +} fp_rnd; + +#endif /* _M88K_IEEEFP_H_ */ |