arch/x86/arch_asm.h

   1 /* Quarn OS
   2  *
   3  * Low level tools for C and C++
   4  *
   5  * Copyright (C) 2008 Pawel Dziepak
   6  *
   7  * This file consist of interface for C and C++ device drivers that help them
   8  * to communicate with the hardware.
   9  */
  10
  11 #undef pure_c
  12 #ifdef __cplusplus
  13 #define pure_c extern "C"
  14 #else
  15 #define pure_c
  16 #endif
  17
  18 pure_c void outb(unsigned int, unsigned char);
  19 pure_c void outw(unsigned int, unsigned short);
  20 pure_c void outl(unsigned int, unsigned long);
  21
  22 pure_c unsigned char inb(unsigned int port);