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authorUlrich Drepper <drepper@redhat.com>2000-01-23 08:54:19 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-23 08:54:19 +0000
commit4974d2b285421f27972879d4edd37582f464c809 (patch)
treece7a39e1bf6ed75ef41250dc8f6a92f151e74678 /sysdeps/unix/sysv/linux/i386/sys
parentbd32e4a68782e7e6fe5a4f18f2d52ca347591c07 (diff)
Update.
2000-01-23 Mark Kettenis <kettenis@gnu.org> * inet/rexec.c (rexec_af): Use SA_LEN instead of __libc_sa_len. 2000-01-22 Thorsten Kukuk <kukuk@suse.de> * sunrpc/xdr_rec.c: Don't set frag_sent if no more data, fixes part 2 of bug 1549. * sunrpc/rpc_des.h: Remove unused defines. 2000-01-22 Mark Kettenis <kettenis@gnu.org> * intl/Makefile ($(objpfx)msgs.h): Do $(make-target-directory) first. 2000-01-22 Thorsten Kukuk <kukuk@suse.de> * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Remove sys/io.h. * sysdeps/unix/sysv/linux/alpha/Makefile: Add sys/io.h. * sysdeps/unix/sysv/linux/arm/Makefile: Likewise. * sysdeps/unix/sysv/linux/i386/Makefile: Likewise. * sysdeps/unix/sysv/linux/sys/io.h: Move from here ... * sysdeps/unix/sysv/linux/i386/sys/io.h: ... to here, add inb, outb and other inline functions for port access. * sysdeps/unix/sysv/linux/alpha/sys/io.h: Add prototypes for port access functions. 2000-01-23 Ulrich Drepper <drepper@cygnus.com> * iconv/gconv_simple.c: Fix two problems in UTF-8 decoder. Patch by Bruno Haibe <haible@ilog.fr>.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sys')
-rw-r--r--sysdeps/unix/sysv/linux/i386/sys/io.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/sys/io.h b/sysdeps/unix/sysv/linux/i386/sys/io.h
new file mode 100644
index 0000000000..8310525456
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/sys/io.h
@@ -0,0 +1,178 @@
+/* Copyright (C) 1996, 2000 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.
+
+ Portability note: not all Linux platforms support this call. Most
+ platforms based on the PC I/O architecture probably will, however.
+ E.g., Linux/Alpha for Alpha PCs supports this. */
+extern int ioperm (unsigned long int __from, unsigned long int __num,
+ int __turn_on) __THROW;
+
+/* Set the I/O privilege level to LEVEL. If LEVEL>3, permission to
+ access any I/O port is granted. This call requires root
+ privileges. */
+extern int iopl (int __level) __THROW;
+
+
+extern inline unsigned char
+inb (unsigned short port)
+{
+ unsigned char _v;
+
+ __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline unsigned char
+inb_p (unsigned short port)
+{
+ unsigned char _v;
+
+ __asm__ __volatile__ ("inb %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline unsigned short
+inw (unsigned short port)
+{
+ unsigned short _v;
+
+ __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline unsigned short
+inw_p (unsigned short port)
+{
+ unsigned short _v;
+
+ __asm__ __volatile__ ("inw %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline unsigned int
+inl (unsigned short port)
+{
+ unsigned int _v;
+
+ __asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline unsigned int
+inl_p (unsigned short port)
+{
+ unsigned int _v;
+ __asm__ __volatile__ ("inl %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
+ return _v;
+}
+
+extern inline void
+outb (unsigned char value, unsigned short port)
+{
+ __asm__ __volatile__ ("outb %b0,%w1"::"a" (value), "Nd" (port));
+}
+
+extern inline void
+outb_p (unsigned char value, unsigned short port)
+{
+ __asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80"::"a" (value),
+ "Nd" (port));
+}
+
+extern inline void
+outw (unsigned short value, unsigned short port)
+{
+ __asm__ __volatile__ ("outw %w0,%w1"::"a" (value), "Nd" (port));
+
+}
+
+extern inline void
+outw_p (unsigned short value, unsigned short port)
+{
+ __asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80"::"a" (value),
+ "Nd" (port));
+}
+
+extern inline void
+outl (unsigned int value, unsigned short port)
+{
+ __asm__ __volatile__ ("outl %0,%w1"::"a" (value), "Nd" (port));
+}
+
+extern inline void
+outl_p (unsigned int value, unsigned short port)
+{
+ __asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80"::"a" (value),
+ "Nd" (port));
+}
+
+extern inline void
+insb (unsigned short port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; insb":"=D" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+extern inline void
+insw (unsigned short port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; insw":"=D" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+extern inline void
+insl (unsigned short port, void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; insl":"=D" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+extern inline void
+outsb (unsigned short port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; outsb":"=S" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+extern inline void
+outsw (unsigned short port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; outsw":"=S" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+extern inline void
+outsl (unsigned short port, const void *addr, unsigned long count)
+{
+ __asm__ __volatile__ ("cld ; rep ; outsl":"=S" (addr),
+ "=c" (count):"d" (port), "0" (addr), "1" (count));
+}
+
+__END_DECLS
+#endif /* _SYS_IO_H */