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Diffstat (limited to 'sysdeps/arm/fpu_control.h')
| -rw-r--r-- | sysdeps/arm/fpu_control.h | 75 |
1 files changed, 0 insertions, 75 deletions
diff --git a/sysdeps/arm/fpu_control.h b/sysdeps/arm/fpu_control.h deleted file mode 100644 index 405d427c84..0000000000 --- a/sysdeps/arm/fpu_control.h +++ /dev/null @@ -1,75 +0,0 @@ -/* FPU control word definitions. ARM VFP version. - Copyright (C) 2004-2017 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 - <http://www.gnu.org/licenses/>. */ - -#ifndef _FPU_CONTROL_H -#define _FPU_CONTROL_H - -#if !(defined(_LIBC) && !defined(_LIBC_TEST)) && defined(__SOFTFP__) - -#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 - -/* masking of interrupts */ -#define _FPU_MASK_IM 0x00000100 /* invalid operation */ -#define _FPU_MASK_ZM 0x00000200 /* divide by zero */ -#define _FPU_MASK_OM 0x00000400 /* overflow */ -#define _FPU_MASK_UM 0x00000800 /* underflow */ -#define _FPU_MASK_PM 0x00001000 /* inexact */ - -#define _FPU_MASK_NZCV 0xf0000000 /* NZCV flags */ -#define _FPU_MASK_RM 0x00c00000 /* rounding mode */ -#define _FPU_MASK_EXCEPT 0x00001f1f /* all exception flags */ - -/* Some bits in the FPSCR are not yet defined. They must be preserved when - modifying the contents. */ -#define _FPU_RESERVED 0x00086060 -#define _FPU_DEFAULT 0x00000000 - -/* Default + exceptions enabled. */ -#define _FPU_IEEE (_FPU_DEFAULT | 0x00001f00) - -/* Type of the control word. */ -typedef unsigned int fpu_control_t; - -/* Macros for accessing the hardware control word. */ -#ifdef __SOFTFP__ -/* This is fmrx %0, fpscr. */ -# define _FPU_GETCW(cw) \ - __asm__ __volatile__ ("mrc p10, 7, %0, cr1, cr0, 0" : "=r" (cw)) -/* This is fmxr fpscr, %0. */ -# define _FPU_SETCW(cw) \ - __asm__ __volatile__ ("mcr p10, 7, %0, cr1, cr0, 0" : : "r" (cw)) -#else -# define _FPU_GETCW(cw) \ - __asm__ __volatile__ ("vmrs %0, fpscr" : "=r" (cw)) -# define _FPU_SETCW(cw) \ - __asm__ __volatile__ ("vmsr fpscr, %0" : : "r" (cw)) -#endif - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -#endif /* __SOFTFP__ */ - -#endif /* _FPU_CONTROL_H */ |