diff options
author | greg@kroah.com <greg@kroah.com> | 2004-10-05 18:51:53 -0700 |
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committer | Greg KH <gregkh@suse.de> | 2005-04-26 21:37:02 -0700 |
commit | 60d1e263f0da2976938fa54efec88ab777a6b3c3 (patch) | |
tree | 94bfcc4279827a68f90f8b63c0d458ddc753c69b /klibc/include/arch/i386/sys/io.h | |
parent | a0622777688ad84ef3d789e0171cfb0ca3dc21d2 (diff) |
[PATCH] oops forgot to add the new klibc/include directory
Diffstat (limited to 'klibc/include/arch/i386/sys/io.h')
-rw-r--r-- | klibc/include/arch/i386/sys/io.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/klibc/include/arch/i386/sys/io.h b/klibc/include/arch/i386/sys/io.h new file mode 100644 index 0000000000..b051464dfc --- /dev/null +++ b/klibc/include/arch/i386/sys/io.h @@ -0,0 +1,126 @@ +#ident "$Id: io.h,v 1.2 2004/01/25 07:49:39 hpa Exp $" +/* ----------------------------------------------------------------------- * + * + * Copyright 2004 H. Peter Anvin - All Rights Reserved + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- */ + +/* + * sys/io.h for the i386 architecture + * + * Basic I/O macros + */ + +#ifndef _SYS_IO_H +#define _SYS_IO_H 1 + +/* I/O-related system calls */ + +int iopl(int); +int ioperm(unsigned long, unsigned long, int); + +/* Basic I/O macros */ + +static __inline__ void +outb(unsigned char __v, unsigned short __p) +{ + asm volatile("outb %0,%1" : : "a" (__v), "dN" (__p)); +} + +static __inline__ void +outw(unsigned short __v, unsigned short __p) +{ + asm volatile("outw %0,%1" : : "a" (__v), "dN" (__p)); +} + +static __inline__ void +outl(unsigned int __v, unsigned short __p) +{ + asm volatile("outl %0,%1" : : "a" (__v), "dN" (__p)); +} + +static __inline__ unsigned char +inb(unsigned short __p) +{ + unsigned char __v; + asm volatile("inb %1,%0" : "=a" (__v) : "dN" (__p)); + return __v; +} + +static __inline__ unsigned short +inw(unsigned short __p) +{ + unsigned short __v; + asm volatile("inw %1,%0" : "=a" (__v) : "dN" (__p)); + return __v; +} + +static __inline__ unsigned int +inl(unsigned short __p) +{ + unsigned int __v; + asm volatile("inl %1,%0" : "=a" (__v) : "dN" (__p)); + return __v; +} + +/* String I/O macros */ + +static __inline__ void +outsb (unsigned short __p, const void *__d, unsigned long __n) +{ + asm volatile("cld; rep; outsb" : "+S" (__d), "+c" (__n) : "d" (__p)); +} + +static __inline__ void +outsw (unsigned short __p, const void *__d, unsigned long __n) +{ + asm volatile("cld; rep; outsw" : "+S" (__d), "+c" (__n) : "d" (__p)); +} + +static __inline__ void +outsl (unsigned short __p, const void *__d, unsigned long __n) +{ + asm volatile("cld; rep; outsl" : "+S" (__d), "+c" (__n) : "d" (__p)); +} + + +static __inline__ void +insb (unsigned short __p, void *__d, unsigned long __n) +{ + asm volatile("cld; rep; insb" : "+D" (__d), "+c" (__n) : "d" (__p)); +} + +static __inline__ void +insw (unsigned short __p, void *__d, unsigned long __n) +{ + asm volatile("cld; rep; insw" : "+D" (__d), "+c" (__n) : "d" (__p)); +} + +static __inline__ void +insl (unsigned short __p, void *__d, unsigned long __n) +{ + asm volatile("cld; rep; insl" : "+D" (__d), "+c" (__n) : "d" (__p)); +} + +#endif /* _SYS_IO_H */ |