1/* 2 * linux/arch/mips/tx4927/common/tx4927_dbgio.c 3 * 4 * kgdb interface for gdb 5 * 6 * Author: MontaVista Software, Inc. 7 * source@mvista.com 8 * 9 * Copyright 2001-2002 MontaVista Software Inc. 10 * 11 * This program is free software; you can redistribute it and/or modify it 12 * under the terms of the GNU General Public License as published by the 13 * Free Software Foundation; either version 2 of the License, or (at your 14 * option) any later version. 15 * 16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 24 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 25 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * You should have received a copy of the GNU General Public License along 28 * with this program; if not, write to the Free Software Foundation, Inc., 29 * 675 Mass Ave, Cambridge, MA 02139, USA. 30 */ 31 32#include <asm/mipsregs.h> 33#include <asm/system.h> 34#include <asm/tx4927/tx4927_mips.h> 35 36u8 getDebugChar(void) 37{ 38 extern u8 txx9_sio_kdbg_rd(void); 39 return (txx9_sio_kdbg_rd()); 40} 41 42 43int putDebugChar(u8 byte) 44{ 45 extern int txx9_sio_kdbg_wr( u8 ch ); 46 return (txx9_sio_kdbg_wr(byte)); 47} 48