113 lines
1.6 KiB
C
113 lines
1.6 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/common/scoasm.h,v 3.0 1996/10/03 08:34:06 dawes Exp $ */
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/*
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* scoasm.h - used to define inline versions of certain functions which
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* do NOT appear in sys/inline.h.
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*/
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#ifdef SCO325
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#ifndef _SCOASM_HDR_INC
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#define _SCOASM_HDR_INC
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asm void outl(port,val)
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{
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%reg port,val;
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movl port, %edx
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movl val, %eax
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outl (%dx)
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%reg port; mem val;
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movl port, %edx
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movl val, %eax
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outl (%dx)
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%mem port; reg val;
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movw port, %dx
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movl val, %eax
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outl (%dx)
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%mem port,val;
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movw port, %dx
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movl val, %eax
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outl (%dx)
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}
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asm void outw(port,val)
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{
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%reg port,val;
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movl port, %edx
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movl val, %eax
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data16
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outl (%dx)
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%reg port; mem val;
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movl port, %edx
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movw val, %ax
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data16
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outl (%dx)
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%mem port; reg val;
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movw port, %dx
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movl val, %eax
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data16
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outl (%dx)
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%mem port,val;
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movw port, %dx
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movw val, %ax
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data16
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outl (%dx)
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}
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asm void outb(port,val)
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{
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%reg port,val;
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movl port, %edx
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movl val, %eax
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outb (%dx)
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%reg port; mem val;
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movl port, %edx
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movb val, %al
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outb (%dx)
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%mem port; reg val;
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movw port, %dx
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movl val, %eax
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outb (%dx)
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%mem port,val;
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movw port, %dx
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movb val, %al
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outb (%dx)
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}
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asm int inl(port)
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{
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%reg port;
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movl port, %edx
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inl (%dx)
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%mem port;
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movw port, %dx
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inl (%dx)
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}
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asm int inw(port)
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{
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%reg port;
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subl %eax, %eax
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movl port, %edx
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data16
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inl (%dx)
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%mem port;
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subl %eax, %eax
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movw port, %dx
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data16
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inl (%dx)
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}
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asm int inb(port)
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{
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%reg port;
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subl %eax, %eax
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movl port, %edx
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inb (%dx)
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%mem port;
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subl %eax, %eax
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movw port, %dx
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inb (%dx)
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}
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#endif /* _SCOASM_HDR_INC */
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#endif /* SCO325 */
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