1 files changed, 111 insertions, 0 deletions
diff --git a/hw/xfree86/os-support/shared/inout.S b/hw/xfree86/os-support/shared/inout.S
new file mode 100644
index 000000000..80c47c419
--- /dev/null
+++ b/hw/xfree86/os-support/shared/inout.S
@@ -0,0 +1,111 @@
+/* $XConsortium: inout.s /main/6 1996/02/21 17:53:35 kaleb $ */
+
+
+
+
+
+/* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/shared/inout.S,v 1.1 1999/07/10 07:24:52 dawes Exp $ */
+
+#include "assyntax.h"
+
+/*
+ *	Make i80386 io primitives available at C-level.
+ */
+
+	FILE("inout.s")
+	AS_BEGIN
+	SEG_TEXT
+
+/*
+ *-----------------------------------------------------------------------
+ * inb ---
+ *	Input one byte.
+ *
+ * Results:
+ *      Byte in al.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(inb)
+GLNAME(inb):
+	MOV_L	(REGOFF(4,ESP),EDX)
+	SUB_L	(EAX,EAX)
+	IN_B
+	RET
+
+/*
+ *-----------------------------------------------------------------------
+ * outb ---
+ *	Output one byte.
+ *
+ * Results:
+ *      None.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(outb)
+GLNAME(outb):
+	MOV_L	(REGOFF(4,sp),EDX)
+	MOV_L	(REGOFF(8,sp),EAX)
+	OUT_B
+	RET
+/*
+ *-----------------------------------------------------------------------
+ * inw ---
+ *	Input one 16-bit word.
+ *
+ * Results:
+ *      Word in ax.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(inw)
+GLNAME(inw):
+	MOV_L	(REGOFF(4,ESP),EDX)
+	IN_W
+	RET
+
+/*
+ *-----------------------------------------------------------------------
+ * outw ---
+ *	Output one 16-bit word.
+ *
+ * Results:
+ *      None.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(outw)
+GLNAME(outw):
+	MOV_L	(REGOFF(4,ESP),EDX)
+	MOV_L	(REGOFF(8,ESP),EAX)
+	OUT_W
+	RET
+
+/*
+ *-----------------------------------------------------------------------
+ * inl ---
+ *	Input one 32-bit longword.
+ *
+ * Results:
+ *      Word in eax.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(inl)
+GLNAME(inl):
+	MOV_L	(REGOFF(4,ESP),EDX)
+	IN_L
+	RET
+
+/*
+ *-----------------------------------------------------------------------
+ * outl ---
+ *	Output one 32-bit longword.
+ *
+ * Results:
+ *      None.
+ *-----------------------------------------------------------------------
+ */
+	GLOBL	GLNAME(outl)
+GLNAME(outl):
+	MOV_L	(REGOFF(4,ESP),EDX)
+	MOV_L	(REGOFF(8,ESP),EAX)
+	OUT_L
+	RET
+