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Diffstat (limited to 'libgloss/m68k/idp-inbyte.c')
-rw-r--r--libgloss/m68k/idp-inbyte.c41
1 files changed, 0 insertions, 41 deletions
diff --git a/libgloss/m68k/idp-inbyte.c b/libgloss/m68k/idp-inbyte.c
deleted file mode 100644
index 41db57fc9..000000000
--- a/libgloss/m68k/idp-inbyte.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/* idp-inbyte.c --
- * Copyright (c) 1995 Cygnus Support
- *
- * The authors hereby grant permission to use, copy, modify, distribute,
- * and license this software and its documentation for any purpose, provided
- * that existing copyright notices are retained in all copies and that this
- * notice is included verbatim in any distributions. No written agreement,
- * license, or royalty fee is required for any of the authorized uses.
- * Modifications to this software may be copyrighted by their authors
- * and need not follow the licensing terms described here, provided that
- * the new terms are clearly indicated on the first page of each file where
- * they apply.
- */
-
-#include <_ansi.h>
-#include "mc68681reg.h"
-
-/*
- * The DUART is mapped into the IDP address space in an unusual
- * manner. The mc68681 is an 8 bit device located on the least
- * significant byte (byte0) of the data bus. Bytes 3, 2, and
- * one have nothing in them and writes to these locations are
- * not valid.
- */
-
-#define DUART_ADDR 0x00B00000
-#define READREG(x) (*((volatile char *) DUART_ADDR + (x * 4) + 3))
-#define WRITEREG(x, y) (*((char *) DUART_ADDR + (x * 4) + 3) = y)
-
-/*
- * inbyte -- get a byte from the DUART RX buffer. This only reads
- * from channel A
- */
-char
-_DEFUN_VOID (inbyte)
-{
- while ((READREG (DUART_SRA) & 0x01) == 0x00)
- ;
-
- return (READREG (DUART_RBA)); /* read the byte */
-}