gdbserial.c

Go to the documentation of this file.
00001 /*
00002  * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017  */
00018 
00019 #include <assert.h>
00020 #include <gpxe/serial.h>
00021 #include <gpxe/gdbstub.h>
00022 #include <gpxe/gdbserial.h>
00023 
00024 struct gdb_transport serial_gdb_transport __gdb_transport;
00025 
00026 static size_t gdbserial_recv ( char *buf, size_t len ) {
00027         assert ( len > 0 );
00028         buf [ 0 ] = serial_getc();
00029         return 1;
00030 }
00031 
00032 static void gdbserial_send ( const char *buf, size_t len ) {
00033         while ( len-- > 0 ) {
00034                 serial_putc ( *buf++ );
00035         }
00036 }
00037 
00038 struct gdb_transport serial_gdb_transport __gdb_transport = {
00039         .name = "serial",
00040         .recv = gdbserial_recv,
00041         .send = gdbserial_send,
00042 };
00043 
00044 struct gdb_transport *gdbserial_configure ( void ) {
00045         return &serial_gdb_transport;
00046 }