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Diffstat (limited to 'libgloss/m68k/idp-outbyte.c')
-rw-r--r--libgloss/m68k/idp-outbyte.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/libgloss/m68k/idp-outbyte.c b/libgloss/m68k/idp-outbyte.c
deleted file mode 100644
index a95dc0c53..000000000
--- a/libgloss/m68k/idp-outbyte.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* idp-outbyte.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)
-
-/*
- * raw_outbyte -- send a byte to the DUART buffer. This only sends
- * to channel A.
- */
-static void
-_DEFUN (raw_outbyte, (byte),
- char byte)
-{
- /* First, wait for the UART to finish clocking out the last
- character we sent, if any. Then, give it the next character to
- work on. By waiting first, then handing off a new character, we
- allow the UART to work while the processor (perhaps) does other
- things; if we waited after sending each character, there'd be no
- opportunity for parallelism. */
- while ((READREG (DUART_SRA) & 0x04) == 0x00)
- ;
-
- WRITEREG (DUART_TBA, byte); /* write the byte */
-}
-
-
-/*
- * outbyte -- send BYTE out the DUART's channel A, for display to
- * the user.
- *
- * Normally, this is identical to raw_outbyte, but if
- * GDB_MONITOR_OUTPUT is #defined, we prefix each byte we send
- * with a ^O character (ASCII 15). This is a signal to GDB's
- * `rom68k' target to pass the character directly on to the user;
- * it allows programs to do console output under GDB.
- *
- * We compile this file twice: once with GDB_MONITOR_OUTPUT
- * #defined, and once without. The former .o file we put in
- * libidpgdb.a, which is included in the link by idpgdb.ld; the
- * latter we put in libidp.a, which is selected by idp.ld.
- */
-void
-_DEFUN (outbyte, (byte),
- char byte)
-{
-#ifdef GDB_MONITOR_OUTPUT
- raw_outbyte (0x0f);
-#endif
- raw_outbyte (byte);
-}