diff options
Diffstat (limited to 'sys/arch/m88k/include/ieeefp.h')
| -rw-r--r-- | sys/arch/m88k/include/ieeefp.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sys/arch/m88k/include/ieeefp.h b/sys/arch/m88k/include/ieeefp.h index 4241324d009..39e6b13515e 100644 --- a/sys/arch/m88k/include/ieeefp.h +++ b/sys/arch/m88k/include/ieeefp.h @@ -1,4 +1,4 @@ -/* $OpenBSD: ieeefp.h,v 1.1 2004/04/26 12:34:05 miod Exp $ */ +/* $OpenBSD: ieeefp.h,v 1.2 2007/12/29 17:41:33 miod Exp $ */ /* * Copyright (c) 1996 Nivas Madhur * All rights reserved. @@ -53,4 +53,26 @@ typedef enum { FP_RP=3 /* round toward positive infinity */ } fp_rnd; +#ifdef _KERNEL + +/* + * Defines for the 88110 floating-point completion code. + */ + +#include <sys/param.h> +#include <sys/proc.h> + +#define float_raise(bits) curproc->p_md.md_tf->tf_fpsr |= bits +#define float_set_inexact() float_raise(FP_X_IMP) +#define float_set_invalid() float_raise(FP_X_INV) + +/* rounding mode bits position in FPCR */ +#define FPCR_RD_SHIFT 14 +#define FPCR_RD_MASK 0x03 + +#define float_get_round(fpcr) (((fpcr) >> FPCR_RD_SHIFT) & FPCR_RD_MASK) +#define fpgetround() float_get_round(curproc->p_md.md_tf->tf_fpcr) + +#endif + #endif /* _M88K_IEEEFP_H_ */ |