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https://github.com/KolibriOS/kolibrios.git
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55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
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/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
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#ifndef __dj_include_Inline_pc_h_
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#define __dj_include_Inline_pc_h_
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#ifdef __GNUC__
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern __inline__ unsigned char inportb (unsigned short _port)
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{
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unsigned char __ret;
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__asm__ __volatile__("inb %%dx,%%al":"=a"(__ret):"d"(_port));
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return __ret;
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}
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extern __inline__ unsigned short inportw (unsigned short _port)
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{
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unsigned short __ret;
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__asm__ __volatile__("inw %%dx,%%ax":"=a"(__ret):"d"(_port));
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return __ret;
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}
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extern __inline__ unsigned long inportl (unsigned short _port)
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{
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unsigned long __ret;
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__asm__ __volatile__("inl %%dx,%%eax":"=a"(__ret):"d"(_port));
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return __ret;
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}
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extern __inline__ void outportb (unsigned short _port, unsigned char _data)
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{
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__asm__ __volatile__("outb %%al,%%dx"::"a"(_data),"d"(_port));
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}
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extern __inline__ void outportw (unsigned short _port, unsigned short _data)
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{
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__asm__ __volatile__("outw %%ax,%%dx"::"a"(_data),"d"(_port));
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}
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extern __inline__ void outportl (unsigned short _port, unsigned long _data)
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{
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__asm__ __volatile__("outl %%eax,%%dx"::"a"(_data),"d"(_port));
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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