diff options
Diffstat (limited to 'sysdeps/mach/hurd/i386/sys/io.h')
| -rw-r--r-- | sysdeps/mach/hurd/i386/sys/io.h | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/sysdeps/mach/hurd/i386/sys/io.h b/sysdeps/mach/hurd/i386/sys/io.h deleted file mode 100644 index 9f3dbfffa7..0000000000 --- a/sysdeps/mach/hurd/i386/sys/io.h +++ /dev/null @@ -1,177 +0,0 @@ -/* Access to hardware i/o ports. GNU/x86 version. - Copyright (C) 2002-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#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 (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; - -#if defined __GNUC__ && __GNUC__ >= 2 - -static __inline unsigned char -inb (unsigned short int port) -{ - unsigned char _v; - - __asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline unsigned char -inb_p (unsigned short int port) -{ - unsigned char _v; - - __asm__ __volatile__ ("inb %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline unsigned short int -inw (unsigned short int port) -{ - unsigned short _v; - - __asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline unsigned short int -inw_p (unsigned short int port) -{ - unsigned short int _v; - - __asm__ __volatile__ ("inw %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline unsigned int -inl (unsigned short int port) -{ - unsigned int _v; - - __asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline unsigned int -inl_p (unsigned short int port) -{ - unsigned int _v; - __asm__ __volatile__ ("inl %w1,%0\noutb %%al,$0x80":"=a" (_v):"Nd" (port)); - return _v; -} - -static __inline void -outb (unsigned char value, unsigned short int port) -{ - __asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port)); -} - -static __inline void -outb_p (unsigned char value, unsigned short int port) -{ - __asm__ __volatile__ ("outb %b0,%w1\noutb %%al,$0x80": :"a" (value), - "Nd" (port)); -} - -static __inline void -outw (unsigned short int value, unsigned short int port) -{ - __asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port)); - -} - -static __inline void -outw_p (unsigned short int value, unsigned short int port) -{ - __asm__ __volatile__ ("outw %w0,%w1\noutb %%al,$0x80": :"a" (value), - "Nd" (port)); -} - -static __inline void -outl (unsigned int value, unsigned short int port) -{ - __asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port)); -} - -static __inline void -outl_p (unsigned int value, unsigned short int port) -{ - __asm__ __volatile__ ("outl %0,%w1\noutb %%al,$0x80": :"a" (value), - "Nd" (port)); -} - -static __inline void -insb (unsigned short int port, void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; insb":"=D" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -static __inline void -insw (unsigned short int port, void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; insw":"=D" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -static __inline void -insl (unsigned short int port, void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; insl":"=D" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -static __inline void -outsb (unsigned short int port, const void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; outsb":"=S" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -static __inline void -outsw (unsigned short int port, const void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; outsw":"=S" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -static __inline void -outsl (unsigned short int port, const void *addr, unsigned long int count) -{ - __asm__ __volatile__ ("cld ; rep ; outsl":"=S" (addr), - "=c" (count):"d" (port), "0" (addr), "1" (count)); -} - -#endif /* GNU C */ - -__END_DECLS -#endif /* _SYS_IO_H */ |