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author | Ulrich Drepper <drepper@redhat.com> | 2000-01-23 08:54:19 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2000-01-23 08:54:19 +0000 |
commit | 4974d2b285421f27972879d4edd37582f464c809 (patch) | |
tree | ce7a39e1bf6ed75ef41250dc8f6a92f151e74678 /sysdeps/unix/sysv/linux/i386 | |
parent | bd32e4a68782e7e6fe5a4f18f2d52ca347591c07 (diff) | |
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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 $(make-target-directory) first.
2000-01-22 Thorsten Kukuk <kukuk@suse.de>
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Remove sys/io.h.
* sysdeps/unix/sysv/linux/alpha/Makefile: Add sys/io.h.
* sysdeps/unix/sysv/linux/arm/Makefile: Likewise.
* sysdeps/unix/sysv/linux/i386/Makefile: Likewise.
* sysdeps/unix/sysv/linux/sys/io.h: Move from here ...
* sysdeps/unix/sysv/linux/i386/sys/io.h: ... to here, add inb, outb
and other inline functions for port access.
* sysdeps/unix/sysv/linux/alpha/sys/io.h: Add prototypes for port
access functions.
2000-01-23 Ulrich Drepper <drepper@cygnus.com>
* iconv/gconv_simple.c: Fix two problems in UTF-8 decoder.
Patch by Bruno Haibe <haible@ilog.fr>.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/Makefile | 2 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sys/io.h | 178 |
2 files changed, 179 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile index a26a27a3d0..c44c2b5ed1 100644 --- a/sysdeps/unix/sysv/linux/i386/Makefile +++ b/sysdeps/unix/sysv/linux/i386/Makefile @@ -1,6 +1,6 @@ ifeq ($(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 */ |