From 7007c661ad737b3c8fd7855791cd52bcac6d7a0b Mon Sep 17 00:00:00 2001 From: Kaz Kojima Date: Thu, 23 Jan 2014 14:22:58 +0900 Subject: Adjust SH specific fpu_control.h and ucontext.h files. --- sysdeps/sh/fpu_control.h | 76 ++++++++++++++++++++++++++++++++++++++++ sysdeps/sh/sh4/fpu/fpu_control.h | 62 -------------------------------- 2 files changed, 76 insertions(+), 62 deletions(-) create mode 100644 sysdeps/sh/fpu_control.h delete mode 100644 sysdeps/sh/sh4/fpu/fpu_control.h (limited to 'sysdeps/sh') diff --git a/sysdeps/sh/fpu_control.h b/sysdeps/sh/fpu_control.h new file mode 100644 index 0000000..5d2604b --- /dev/null +++ b/sysdeps/sh/fpu_control.h @@ -0,0 +1,76 @@ +/* FPU control word definitions. SH version. + Copyright (C) 1999-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _FPU_CONTROL_H +#define _FPU_CONTROL_H + +#if !defined(__SH_FPU_ANY__) + +#define _FPU_RESERVED 0xffffffff +#define _FPU_DEFAULT 0x00000000 +typedef unsigned int fpu_control_t; +#define _FPU_GETCW(cw) (cw) = 0 +#define _FPU_SETCW(cw) (void) (cw) +extern fpu_control_t __fpu_control; + +#else + +#include + +/* masking of interrupts */ +#define _FPU_MASK_VM 0x0800 /* Invalid operation */ +#define _FPU_MASK_ZM 0x0400 /* Division by zero */ +#define _FPU_MASK_OM 0x0200 /* Overflow */ +#define _FPU_MASK_UM 0x0100 /* Underflow */ +#define _FPU_MASK_IM 0x0080 /* Inexact operation */ + +/* rounding control */ +#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ +#define _FPU_RC_ZERO 0x1 + +#define _FPU_RESERVED 0xffc00000 /* These bits are reserved. */ + +/* The fdlibm code requires strict IEEE double precision arithmetic, + and no interrupts for exceptions, rounding to nearest. */ +#define _FPU_DEFAULT 0x00080000 /* Default value. */ +#define _FPU_IEEE 0x00080f80 /* Default + exceptions enabled. */ + +/* Type of the control word. */ +typedef unsigned int fpu_control_t; + +/* Macros for accessing the hardware control word. */ +#define _FPU_GETCW(cw) __asm__ ("sts fpscr,%0" : "=r" (cw)) + +#if defined __GNUC__ +__BEGIN_DECLS + +/* GCC provides this function. */ +extern void __set_fpscr (unsigned long); +#define _FPU_SETCW(cw) __set_fpscr ((cw)) +#else +#define _FPU_SETCW(cw) __asm__ ("lds %0,fpscr" : : "r" (cw)) +#endif + +/* Default control word set at startup. */ +extern fpu_control_t __fpu_control; + +__END_DECLS + +#endif /* __SH_FPU_ANY__ */ + +#endif /* _FPU_CONTROL_H */ diff --git a/sysdeps/sh/sh4/fpu/fpu_control.h b/sysdeps/sh/sh4/fpu/fpu_control.h deleted file mode 100644 index ab1e97b..0000000 --- a/sysdeps/sh/sh4/fpu/fpu_control.h +++ /dev/null @@ -1,62 +0,0 @@ -/* FPU control word definitions. SH version. - Copyright (C) 1999-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - . */ - -#ifndef _FPU_CONTROL_H -#define _FPU_CONTROL_H - -#include - -/* masking of interrupts */ -#define _FPU_MASK_VM 0x0800 /* Invalid operation */ -#define _FPU_MASK_ZM 0x0400 /* Division by zero */ -#define _FPU_MASK_OM 0x0200 /* Overflow */ -#define _FPU_MASK_UM 0x0100 /* Underflow */ -#define _FPU_MASK_IM 0x0080 /* Inexact operation */ - -/* rounding control */ -#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ -#define _FPU_RC_ZERO 0x1 - -#define _FPU_RESERVED 0xffc00000 /* These bits are reserved. */ - -/* The fdlibm code requires strict IEEE double precision arithmetic, - and no interrupts for exceptions, rounding to nearest. */ -#define _FPU_DEFAULT 0x00080000 /* Default value. */ -#define _FPU_IEEE 0x00080f80 /* Default + exceptions enabled. */ - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ ("sts fpscr,%0" : "=r" (cw)) - -#if defined __GNUC__ -__BEGIN_DECLS - -/* GCC provides this function. */ -extern void __set_fpscr (unsigned long); -#define _FPU_SETCW(cw) __set_fpscr ((cw)) -#else -#define _FPU_SETCW(cw) __asm__ ("lds %0,fpscr" : : "r" (cw)) -#endif - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -__END_DECLS -#endif /* _FPU_CONTROL_H */ -- cgit v1.1