diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/alpha/sys/io.h | 8 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/sys/io.h | 178 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/io.h | 43 |
7 files changed, 190 insertions, 47 deletions
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 4d7594d1ec..0d230664dc 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -16,7 +16,7 @@ ifeq ($(subdir),misc) sysdep_routines += sysctl clone llseek getresuid getresgid umount umount2 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ - sys/io.h sys/klog.h sys/kdaemon.h \ + sys/klog.h sys/kdaemon.h \ sys/user.h sys/procfs.h sys/prctl.h \ sys/kd.h sys/soundcard.h sys/vt.h \ sys/quota.h sys/fsuid.h \ diff --git a/sysdeps/unix/sysv/linux/alpha/Makefile b/sysdeps/unix/sysv/linux/alpha/Makefile index b62a871506..3265e0fa1e 100644 --- a/sysdeps/unix/sysv/linux/alpha/Makefile +++ b/sysdeps/unix/sysv/linux/alpha/Makefile @@ -3,7 +3,7 @@ sysdep_routines += oldglob endif ifeq ($(subdir),misc) -sysdep_headers += alpha/ptrace.h alpha/regdef.h +sysdep_headers += alpha/ptrace.h alpha/regdef.h sys/io.h sysdep_routines += ieee_get_fp_control ieee_set_fp_control \ sethae ioperm osf_sigprocmask llseek adjtimex diff --git a/sysdeps/unix/sysv/linux/alpha/sys/io.h b/sysdeps/unix/sysv/linux/alpha/sys/io.h index 0095714148..d1f5ac3eec 100644 --- a/sysdeps/unix/sysv/linux/alpha/sys/io.h +++ b/sysdeps/unix/sysv/linux/alpha/sys/io.h @@ -64,6 +64,14 @@ extern int pciconfig_write (unsigned long int __bus, unsigned long int __len, unsigned char *__buf) __THROW; +/* Userspace declarations. */ +extern unsigned int inb (unsigned long __port) __THROW; +extern unsigned int inw (unsigned long __port) __THROW; +extern unsigned int inl (unsigned long __port) __THROW; +extern void outb (unsigned char __b, unsigned long __port) __THROW; +extern void outw (unsigned short __w, unsigned long __port) __THROW; +extern void outl (unsigned int __l, unsigned long __port) __THROW; + __END_DECLS #endif /* _SYS_IO_H */ diff --git a/sysdeps/unix/sysv/linux/arm/Makefile b/sysdeps/unix/sysv/linux/arm/Makefile index 79eff05b90..b82a6ef160 100644 --- a/sysdeps/unix/sysv/linux/arm/Makefile +++ b/sysdeps/unix/sysv/linux/arm/Makefile @@ -1,6 +1,6 @@ ifeq ($(subdir),misc) sysdep_routines += setfsgid setfsuid setresgid setresuid ioperm -sysdep_headers += sys/elf.h +sysdep_headers += sys/elf.h sys/io.h endif ifeq ($(subdir),signal) diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile index a26a27a3d0..c44c2b5ed1 100644 --- a/sysdeps/unix/sysv/linux/i386/Makefile +++ b/sysdeps/unix/sysv/linux/i386/Makefile @@ -1,6 +1,6 @@ ifeq ($(subdir),misc) sysdep_routines += ioperm iopl vm86 setfsgid setfsuid setresgid setresuid -sysdep_headers += sys/elf.h sys/perm.h sys/reg.h sys/vm86.h sys/debugreg.h +sysdep_headers += sys/elf.h sys/perm.h sys/reg.h sys/vm86.h sys/debugreg.h sys/io.h endif ifeq ($(subdir),elf) 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 */ diff --git a/sysdeps/unix/sysv/linux/sys/io.h b/sysdeps/unix/sysv/linux/sys/io.h deleted file mode 100644 index c0ecca57e6..0000000000 --- a/sysdeps/unix/sysv/linux/sys/io.h +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 1996, 1999 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; - -__END_DECLS - -#endif /* _SYS_IO_H */ |