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+/* Copyright (C) 1996, 2000 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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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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+
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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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+
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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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+
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+/*
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+ * June 16, 2001 hacked for uClibc inclusion by Manuel Novoa III
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+ *
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+ * This was originally sys/io.h from glibc-2.2.2. However, uClibc
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+ * currently shares the same sys/io.h for all archs. So, I placed
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+ * moved and renamed it to bits/io_i386.h and modified sys/io.h to
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+ * conditionally include this if __i386__ was defined.
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+ */
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+
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+#if !defined _SYS_IO_H || defined _BITS_IO_I386_H
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+#error Never include <bits/io_i386.h> directly; use <sys/io.h> instead.
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+#endif
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+
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+#define _BITS_IO_I386_H 1
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+
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+#if defined __GNUC__ && __GNUC__ >= 2
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+
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+static __inline unsigned char
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+inb (unsigned short int port)
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+{
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+ unsigned char _v;
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+
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+ __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline unsigned char
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+inb_p (unsigned short int port)
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+{
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+ unsigned char _v;
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+
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+ __asm__ __volatile__ ("inb %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline unsigned short int
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+inw (unsigned short int port)
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+{
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+ unsigned short _v;
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+
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+ __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline unsigned short int
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+inw_p (unsigned short int port)
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+{
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+ unsigned short int _v;
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+
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+ __asm__ __volatile__ ("inw %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline unsigned int
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+inl (unsigned short int port)
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+{
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+ unsigned int _v;
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+
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+ __asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline unsigned int
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+inl_p (unsigned short int port)
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+{
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+ unsigned int _v;
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+ __asm__ __volatile__ ("inl %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port));
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+ return _v;
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+}
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+
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+static __inline void
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+outb (unsigned char value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
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+}
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+
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+static __inline void
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+outb_p (unsigned char value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80": :"a" (value),
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+ "Nd" (port));
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+}
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+
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+static __inline void
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+outw (unsigned short int value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
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+
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+}
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+
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+static __inline void
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+outw_p (unsigned short int value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80": :"a" (value),
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+ "Nd" (port));
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+}
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+
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+static __inline void
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+outl (unsigned int value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
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+}
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+
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+static __inline void
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+outl_p (unsigned int value, unsigned short int port)
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+{
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+ __asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80": :"a" (value),
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+ "Nd" (port));
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+}
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+
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+static __inline void
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+insb (unsigned short int port, void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; insb":"=D" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+static __inline void
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+insw (unsigned short int port, void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; insw":"=D" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+static __inline void
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+insl (unsigned short int port, void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; insl":"=D" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+static __inline void
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+outsb (unsigned short int port, const void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; outsb":"=S" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+static __inline void
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+outsw (unsigned short int port, const void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; outsw":"=S" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+static __inline void
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+outsl (unsigned short int port, const void *addr, unsigned long int count)
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+{
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+ __asm__ __volatile__ ("cld ; rep ; outsl":"=S" (addr),
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+ "=c" (count):"d" (port), "0" (addr), "1" (count));
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+}
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+
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+#endif /* GNU C */
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