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Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
46 lines
1.2 KiB
C
Vendored
46 lines
1.2 KiB
C
Vendored
/* $OpenBSD: ieeefp.h,v 1.4 2011/03/23 16:54:36 pirofti Exp $ */
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/*
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* Written by J.T. Conklin, Apr 11, 1995
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* Public domain.
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*/
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#ifndef _MIPS64_IEEEFP_H_
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#define _MIPS64_IEEEFP_H_
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typedef int fp_except;
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#define FP_X_IMP 0x01 /* imprecise (loss of precision) */
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#define FP_X_UFL 0x02 /* underflow exception */
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#define FP_X_OFL 0x04 /* overflow exception */
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#define FP_X_DZ 0x08 /* divide-by-zero exception */
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#define FP_X_INV 0x10 /* invalid operation exception */
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typedef enum {
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FP_RN=0, /* round to nearest representable number */
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FP_RZ=1, /* round to zero (truncate) */
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FP_RP=2, /* round toward positive infinity */
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FP_RM=3 /* round toward negative infinity */
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} fp_rnd;
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#ifdef _KERNEL
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/*
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* Defines for the floating-point completion/emulation code.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/proc.h>
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#include <machine/fpu.h>
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#define float_raise(bits) \
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do { curproc->p_md.md_regs->fsr |= (bits) << FPCSR_C_SHIFT; } while (0)
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#define float_set_inexact() float_raise(FP_X_IMP)
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#define float_set_invalid() float_raise(FP_X_INV)
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#define float_get_round(csr) (csr & FPCSR_RM_MASK)
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#define fpgetround() float_get_round(curproc->p_md.md_regs->fsr)
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#endif
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#endif /* !_MIPS64_IEEEFP_H_ */ |