Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
| 36 | u8 getDebugChar(void) |
| 37 | { |
| 38 | extern u8 txx9_sio_kdbg_rd(void); |
| 39 | return (txx9_sio_kdbg_rd()); |
| 40 | } |
| 41 | |
| 42 | |
| 43 | int putDebugChar(u8 byte) |
| 44 | { |
| 45 | extern int txx9_sio_kdbg_wr( u8 ch ); |
| 46 | return (txx9_sio_kdbg_wr(byte)); |
| 47 | } |