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author | Roland McGrath <roland@gnu.org> | 1996-06-16 03:49:40 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-06-16 03:49:40 +0000 |
commit | 5fbef188648f5150617e0a14f1011e600f1b3a0f (patch) | |
tree | 81334ea044e87bc2cf489cc8cb49adab73b9d6dd /sysdeps/unix/sysv/linux/m68k | |
parent | f9496a7b54c27580d4b30cc2b2b40e86738b2b81 (diff) | |
download | glibc-5fbef188648f5150617e0a14f1011e600f1b3a0f.tar.gz glibc-5fbef188648f5150617e0a14f1011e600f1b3a0f.tar.xz glibc-5fbef188648f5150617e0a14f1011e600f1b3a0f.zip |
* hurd/Makefile (routines): Add get-host, set-host.
(distribute): Add hurdhost.h. * hurd/hurdhost.h: New file. * sysdeps/mach/hurd/gethostname.c: Use _hurd_get_host_config. * sysdeps/mach/hurd/gethostid.c: Likewise. * sysdeps/mach/hurd/sethostname.c: Use _hurd_set_host_config. * sysdeps/mach/hurd/sethostid.c: Likewise. * hurd/get-host.c: New file. * hurd/set-host.c: New file. * math/Makefile (headers): Add fpu_control.h. (aux): New variable, list fpu_control and setfpucw. * sysdeps/generic/fpu_control.c: New file. * sysdeps/stub/fpu_control.h: New file. * sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ... * sysdeps/m68k/fpu_control.h: here. * sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ... * sysdeps/i386/fpu_control.h: here. * sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ... * sysdeps/alpha/fpu/fpu_control.h: here. Fixed copyright. * sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove setfpucw, fpu_control. * sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed. * sysdeps/unix/sysv/linux/setfpucw.c: Moved to ... * sysdeps/generic/setfpucw.c: here. (__fpu_control): Variable removed. (__setfpucw): Use SET even if zero.
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k')
-rw-r--r-- | sysdeps/unix/sysv/linux/m68k/fpu_control.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/fpu_control.h b/sysdeps/unix/sysv/linux/m68k/fpu_control.h deleted file mode 100644 index 97bde853bc..0000000000 --- a/sysdeps/unix/sysv/linux/m68k/fpu_control.h +++ /dev/null @@ -1,108 +0,0 @@ -/* 68k FPU control word definitions. -Copyright (C) 1996 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 Library General Public License as -published by the Free Software Foundation; either version 2 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with the GNU C Library; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 675 Mass Ave, -Cambridge, MA 02139, USA. */ - -#ifndef _FPU_CONTROL_H -#define _FPU_CONTROL_H - -/* - * Motorola floating point control register bits. - * - * 31-16 -> reserved (read as 0, ignored on write) - * 15 -> enable trap for BSUN exception - * 14 -> enable trap for SNAN exception - * 13 -> enable trap for OPERR exception - * 12 -> enable trap for OVFL exception - * 11 -> enable trap for UNFL exception - * 10 -> enable trap for DZ exception - * 9 -> enable trap for INEX2 exception - * 8 -> enable trap for INEX1 exception - * 7-6 -> Precision Control - * 5-4 -> Rounding Control - * 3-0 -> zero (read as 0, write as 0) - * - * - * Precision Control: - * 00 - round to extended precision - * 01 - round to single precision - * 10 - round to double precision - * 11 - undefined - * - * Rounding Control: - * 00 - rounding to nearest (RN) - * 01 - rounding toward zero (RZ) - * 10 - rounding (down)toward minus infinity (RM) - * 11 - rounding (up) toward plus infinity (RP) - * - * The hardware default is 0x0000. I choose 0x5400. - */ - -#include <features.h> - -/* masking of interrupts */ -#define _FPU_MASK_BSUN 0x8000 -#define _FPU_MASK_SNAN 0x4000 -#define _FPU_MASK_OPERR 0x2000 -#define _FPU_MASK_OVFL 0x1000 -#define _FPU_MASK_UNFL 0x0800 -#define _FPU_MASK_DZ 0x0400 -#define _FPU_MASK_INEX1 0x0200 -#define _FPU_MASK_INEX2 0x0100 - -/* precision control */ -#define _FPU_EXTENDED 0x00 /* RECOMMENDED */ -#define _FPU_DOUBLE 0x80 -#define _FPU_SINGLE 0x40 /* DO NOT USE */ - -/* rounding control */ -#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */ -#define _FPU_RC_ZERO 0x10 -#define _FPU_RC_DOWN 0x20 -#define _FPU_RC_UP 0x30 - -#define _FPU_RESERVED 0xFFFF000F /* Reserved bits in fpucr */ - - -/* Now two recommended fpucr */ - -/* The fdlibm code requires no interrupts for exceptions. Don't - change the rounding mode, it would break long double I/O! */ -#define _FPU_DEFAULT 0x00000000 - -/* IEEE: same as above, but exceptions. We must make it non-zero so - that __setfpucw works. This bit will be ignored. */ -#define _FPU_IEEE 0x00000001 - -/* Type of the control word. */ -typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__))); - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) __asm__ ("fmove%.l %!, %0" : "=dm" (cw)) -#define _FPU_SETCW(cw) __asm__ volatile ("fmove%.l %0, %!" : : "dm" (cw)) - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -__BEGIN_DECLS - -/* Called at startup. It can be used to manipulate fpu control register. */ -extern void __setfpucw __P ((fpu_control_t)); - -__END_DECLS - -#endif /* _M68K_FPU_CONTROL_H */ |