Add mips support to libm, from mips2-jnpr perforce branch.
This commit is contained in:
imp
parent
92f18b23d5
commit
9623d72c05
4
lib/msun/mips/Makefile.inc
Normal file
4
lib/msun/mips/Makefile.inc
Normal file
@ -0,0 +1,4 @@
|
||||
# $FreeBSD$
|
||||
|
||||
LDBL_PREC = 53
|
||||
SYM_MAPS += ${.CURDIR}/mips/Symbol.map
|
||||
3
lib/msun/mips/Symbol.map
Normal file
3
lib/msun/mips/Symbol.map
Normal file
@ -0,0 +1,3 @@
|
||||
# $FreeBSD$
|
||||
FBSD_1.0 {
|
||||
};
|
||||
35
lib/msun/mips/fenv.c
Normal file
35
lib/msun/mips/fenv.c
Normal file
@ -0,0 +1,35 @@
|
||||
/*-
|
||||
* Copyright (c) 2004 David Schultz <das@FreeBSD.ORG>
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <fenv.h>
|
||||
|
||||
/*
|
||||
* Hopefully the system ID byte is immutable, so it's valid to use
|
||||
* this as a default environment.
|
||||
*/
|
||||
const fenv_t __fe_dfl_env = 0;
|
||||
217
lib/msun/mips/fenv.h
Normal file
217
lib/msun/mips/fenv.h
Normal file
@ -0,0 +1,217 @@
|
||||
/*-
|
||||
* Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG>
|
||||
* 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.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#ifndef _FENV_H_
|
||||
#define _FENV_H_
|
||||
|
||||
#include <sys/_types.h>
|
||||
|
||||
typedef __uint32_t fenv_t;
|
||||
typedef __uint32_t fexcept_t;
|
||||
|
||||
/* Exception flags */
|
||||
#define FE_INVALID 0x0001
|
||||
#define FE_DIVBYZERO 0x0002
|
||||
#define FE_OVERFLOW 0x0004
|
||||
#define FE_UNDERFLOW 0x0008
|
||||
#define FE_INEXACT 0x0010
|
||||
#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
|
||||
FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
|
||||
|
||||
/* Rounding modes */
|
||||
#define FE_TONEAREST 0x0000
|
||||
#define FE_TOWARDZERO 0x0001
|
||||
#define FE_UPWARD 0x0002
|
||||
#define FE_DOWNWARD 0x0003
|
||||
#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \
|
||||
FE_UPWARD | FE_TOWARDZERO)
|
||||
__BEGIN_DECLS
|
||||
|
||||
/* Default floating-point environment */
|
||||
extern const fenv_t __fe_dfl_env;
|
||||
#define FE_DFL_ENV (&__fe_dfl_env)
|
||||
|
||||
/* We need to be able to map status flag positions to mask flag positions */
|
||||
#define _FPUSW_SHIFT 16
|
||||
#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT)
|
||||
|
||||
#ifdef ARM_HARD_FLOAT
|
||||
#define __rfs(__fpsr) __asm __volatile("rfs %0" : "=r" (*(__fpsr)))
|
||||
#define __wfs(__fpsr) __asm __volatile("wfs %0" : : "r" (__fpsr))
|
||||
#else
|
||||
#define __rfs(__fpsr)
|
||||
#define __wfs(__fpsr)
|
||||
#endif
|
||||
|
||||
static __inline int
|
||||
feclearexcept(int __excepts)
|
||||
{
|
||||
fexcept_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
__fpsr &= ~__excepts;
|
||||
__wfs(__fpsr);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fegetexceptflag(fexcept_t *__flagp, int __excepts)
|
||||
{
|
||||
fexcept_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
*__flagp = __fpsr & __excepts;
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fesetexceptflag(const fexcept_t *__flagp, int __excepts)
|
||||
{
|
||||
fexcept_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
__fpsr &= ~__excepts;
|
||||
__fpsr |= *__flagp & __excepts;
|
||||
__wfs(__fpsr);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
feraiseexcept(int __excepts)
|
||||
{
|
||||
fexcept_t __ex = __excepts;
|
||||
|
||||
fesetexceptflag(&__ex, __excepts); /* XXX */
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fetestexcept(int __excepts)
|
||||
{
|
||||
fexcept_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
return (__fpsr & __excepts);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fegetround(void)
|
||||
{
|
||||
|
||||
/*
|
||||
* Apparently, the rounding mode is specified as part of the
|
||||
* instruction format on ARM, so the dynamic rounding mode is
|
||||
* indeterminate. Some FPUs may differ.
|
||||
*/
|
||||
return (-1);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fesetround(int __round)
|
||||
{
|
||||
|
||||
return (-1);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fegetenv(fenv_t *__envp)
|
||||
{
|
||||
|
||||
__rfs(__envp);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
feholdexcept(fenv_t *__envp)
|
||||
{
|
||||
fenv_t __env;
|
||||
|
||||
__rfs(&__env);
|
||||
*__envp = __env;
|
||||
__env &= ~(FE_ALL_EXCEPT | _ENABLE_MASK);
|
||||
__wfs(__env);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fesetenv(const fenv_t *__envp)
|
||||
{
|
||||
|
||||
__wfs(*__envp);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
feupdateenv(const fenv_t *__envp)
|
||||
{
|
||||
fexcept_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
__wfs(*__envp);
|
||||
feraiseexcept(__fpsr & FE_ALL_EXCEPT);
|
||||
return (0);
|
||||
}
|
||||
|
||||
#if __BSD_VISIBLE
|
||||
|
||||
static __inline int
|
||||
feenableexcept(int __mask)
|
||||
{
|
||||
fenv_t __old_fpsr, __new_fpsr;
|
||||
|
||||
__rfs(&__old_fpsr);
|
||||
__new_fpsr = __old_fpsr | (__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT;
|
||||
__wfs(__new_fpsr);
|
||||
return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fedisableexcept(int __mask)
|
||||
{
|
||||
fenv_t __old_fpsr, __new_fpsr;
|
||||
|
||||
__rfs(&__old_fpsr);
|
||||
__new_fpsr = __old_fpsr & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT);
|
||||
__wfs(__new_fpsr);
|
||||
return ((__old_fpsr >> _FPUSW_SHIFT) & FE_ALL_EXCEPT);
|
||||
}
|
||||
|
||||
static __inline int
|
||||
fegetexcept(void)
|
||||
{
|
||||
fenv_t __fpsr;
|
||||
|
||||
__rfs(&__fpsr);
|
||||
return ((__fpsr & _ENABLE_MASK) >> _FPUSW_SHIFT);
|
||||
}
|
||||
|
||||
#endif /* __BSD_VISIBLE */
|
||||
|
||||
__END_DECLS
|
||||
|
||||
#endif /* !_FENV_H_ */
|
||||
Loading…
Reference in New Issue
Block a user