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edb570bb87
1998-12-20 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/sysdep.h (INLINE_SYSCALL): Add
implementation.
* sysdeps/unix/sysv/linux/arm/syscalls.list: Remove wrappers for
now-inlined calls.
1998-12-22 Philip Blundell <pb@nexus.co.uk>
* sysdeps/unix/sysv/linux/arm/ioperm.c: New file.
Implementation of inb, outb etc for ARM systems.
* sysdeps/unix/sysv/linux/arm/sys/io.h: Likewise.
* sysdeps/unix/sysv/linux/arm/Versions: Add appropriate
entries for the above.
49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/* Copyright (C) 1996, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _SYS_IO_H
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#define _SYS_IO_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* If TURN_ON is TRUE, request for permission to do direct i/o on the
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port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
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permission off for that range. This call requires root privileges. */
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extern int ioperm __P ((unsigned long int __from, unsigned long int __num,
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int __turn_on));
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/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero,
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permission to access any I/O port is granted. This call requires
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root privileges. */
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extern int iopl __P ((int __level));
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/* The functions that actually perform reads and writes. */
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extern unsigned char inb (unsigned long port);
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extern unsigned short inw (unsigned long port);
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extern unsigned long inl (unsigned long port);
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extern void outb (unsigned char value, unsigned long port);
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extern void outw (unsigned short value, unsigned long port);
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extern void outl (unsigned long value, unsigned long port);
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__END_DECLS
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#endif /* _SYS_IO_H */
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