PortIO.S   [plain text]

/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/misc/PortIO.S,v 1.1 2004/02/02 03:55:32 dawes Exp $ */

/* Port I/O functions for platforms with no inlining. */

#include "assyntax.h"

	FILE("PortIO.s")

	AS_BEGIN

	GLOBL	GLNAME(outb)
	GLOBL	GLNAME(outw)
	GLOBL	GLNAME(outl)
	GLOBL	GLNAME(inb)
	GLOBL	GLNAME(inw)
	GLOBL	GLNAME(inl)

	SEG_TEXT
	ALIGNTEXT4
GLNAME(outb):
	MOV_L	(REGOFF(4,ESP), EDX)
	MOV_L	(REGOFF(8,ESP), EAX)
	OUT_B
	RET

	ALIGNTEXT4
GLNAME(outw):
	MOV_L	(REGOFF(4,ESP), EDX)
	MOV_L	(REGOFF(8,ESP), EAX)
	OUT_W
	RET

	ALIGNTEXT4
GLNAME(outl):
	MOV_L	(REGOFF(4,ESP), EDX)
	MOV_L	(REGOFF(8,ESP), EAX)
	OUT_L
	RET

	ALIGNTEXT4
GLNAME(inb):
	MOV_L	(REGOFF(4,ESP), EDX)
	IN_B
	RET

	ALIGNTEXT4
GLNAME(inw):
	MOV_L	(REGOFF(4,ESP), EDX)
	IN_L
	RET

	ALIGNTEXT4
GLNAME(inl):
	MOV_L	(REGOFF(4,ESP), EDX)
	IN_L
	RET