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authorUlrich Drepper <drepper@redhat.com>1998-12-23 13:08:22 +0000
committerUlrich Drepper <drepper@redhat.com>1998-12-23 13:08:22 +0000
commitedb570bb87b009c04e30b2d75acb2a513079c836 (patch)
tree19349f774331b4f7a2c26170bbd2bbb077367f9f /sysdeps/unix/sysv/linux/arm/sys
parent361d49e6a4463bd86aba76a67c2b1dc0348f711a (diff)
downloadglibc-edb570bb87b009c04e30b2d75acb2a513079c836.tar.gz
Update.
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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/sys')
-rw-r--r--sysdeps/unix/sysv/linux/arm/sys/io.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/sys/io.h b/sysdeps/unix/sysv/linux/arm/sys/io.h
new file mode 100644
index 0000000000..9f9eebc6fb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/arm/sys/io.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1996, 1998 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _SYS_IO_H
+
+#define _SYS_IO_H 1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* If TURN_ON is TRUE, request for permission to do direct i/o on the
+ port numbers in the range [FROM,FROM+NUM-1]. Otherwise, turn I/O
+ permission off for that range. This call requires root privileges. */
+extern int ioperm __P ((unsigned long int __from, unsigned long int __num,
+ int __turn_on));
+
+/* Set the I/O privilege level to LEVEL. If LEVEL is nonzero,
+ permission to access any I/O port is granted. This call requires
+ root privileges. */
+extern int iopl __P ((int __level));
+
+/* The functions that actually perform reads and writes. */
+extern unsigned char inb (unsigned long port);
+extern unsigned short inw (unsigned long port);
+extern unsigned long inl (unsigned long port);
+
+extern void outb (unsigned char value, unsigned long port);
+extern void outw (unsigned short value, unsigned long port);
+extern void outl (unsigned long value, unsigned long port);
+
+__END_DECLS
+
+#endif /* _SYS_IO_H */