1 /*
2 * Copyright (C) 2008 Stefan Hajnoczi <stefanha@gmail.com>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19 #include <assert.h>
20 #include <gpxe/serial.h>
21 #include <gpxe/gdbstub.h>
22 #include <gpxe/gdbserial.h>
23
24 struct gdb_transport serial_gdb_transport __gdb_transport;
25
gdbserial_recv(char * buf,size_t len)26 static size_t gdbserial_recv ( char *buf, size_t len ) {
27 assert ( len > 0 );
28 buf [ 0 ] = serial_getc();
29 return 1;
30 }
31
gdbserial_send(const char * buf,size_t len)32 static void gdbserial_send ( const char *buf, size_t len ) {
33 while ( len-- > 0 ) {
34 serial_putc ( *buf++ );
35 }
36 }
37
38 struct gdb_transport serial_gdb_transport __gdb_transport = {
39 .name = "serial",
40 .recv = gdbserial_recv,
41 .send = gdbserial_send,
42 };
43
gdbserial_configure(void)44 struct gdb_transport *gdbserial_configure ( void ) {
45 return &serial_gdb_transport;
46 }
47