From f3d1f93cfbbe9a0ffcab4d72e6cd8def0ca59ada Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Mon, 4 Jun 2012 12:29:49 -0700 Subject: Use x86_64 bits/{io,perm}.h for i386 and x86_64 --- sysdeps/unix/sysv/linux/x86/sys/io.h | 183 +++++++++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/x86/sys/perm.h | 35 +++++++ 2 files changed, 218 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/x86/sys/io.h create mode 100644 sysdeps/unix/sysv/linux/x86/sys/perm.h (limited to 'sysdeps/unix/sysv/linux/x86') diff --git a/sysdeps/unix/sysv/linux/x86/sys/io.h b/sysdeps/unix/sysv/linux/x86/sys/io.h new file mode 100644 index 0000000000..ce9fd948b6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/sys/io.h @@ -0,0 +1,183 @@ +/* Copyright (C) 1996-2012 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 + . */ + +#ifndef _SYS_IO_H +#define _SYS_IO_H 1 + +#include + +__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; + +#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 */ diff --git a/sysdeps/unix/sysv/linux/x86/sys/perm.h b/sysdeps/unix/sysv/linux/x86/sys/perm.h new file mode 100644 index 0000000000..cbfeaf8251 --- /dev/null +++ b/sysdeps/unix/sysv/linux/x86/sys/perm.h @@ -0,0 +1,35 @@ +/* Copyright (C) 1996, 1999, 2001 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 + . */ + +#ifndef _SYS_PERM_H + +#define _SYS_PERM_H 1 +#include + +__BEGIN_DECLS + +/* Set port input/output permissions. */ +extern int ioperm (unsigned long int __from, unsigned long int __num, + int __turn_on) __THROW; + + +/* Change I/O privilege level. */ +extern int iopl (int __level) __THROW; + +__END_DECLS + +#endif /* _SYS_PERM_H */ -- cgit 1.4.1