2 Copyright (C) 1997, 1998, 2007, 2008, 2009 Free Software Foundation, Inc.
3 Contributed by Cygnus Solutions.
5 This file is part of GDB, the GNU debugger.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #ifdef HAVE_DV_SOCKSER
23 #include "dv-sockser.h"
26 /* Handling the MSPR register is done by creating a device in the core
27 mapping that winds up here. */
32 device_io_read_buffer (device
*me
, void *source
, int space
,
33 address_word addr
, unsigned nr_bytes
,
34 SIM_DESC sd
, SIM_CPU
*cpu
, sim_cia cia
)
36 if (STATE_ENVIRONMENT (sd
) != OPERATING_ENVIRONMENT
)
39 #ifdef HAVE_DV_SOCKSER
40 if (addr
== UART_INCHAR_ADDR
)
42 int c
= dv_sockser_read (sd
);
48 if (addr
== UART_STATUS_ADDR
)
50 int status
= dv_sockser_status (sd
);
51 unsigned char *p
= source
;
53 p
[1] = (((status
& DV_SOCKSER_INPUT_EMPTY
)
54 #ifdef UART_INPUT_READY0
55 ? UART_INPUT_READY
: 0)
57 ? 0 : UART_INPUT_READY
)
59 + ((status
& DV_SOCKSER_OUTPUT_EMPTY
) ? UART_OUTPUT_READY
: 0));
68 device_io_write_buffer (device
*me
, const void *source
, int space
,
69 address_word addr
, unsigned nr_bytes
,
70 SIM_DESC sd
, SIM_CPU
*cpu
, sim_cia cia
)
73 /* MSPR support is deprecated but is kept in for upward compatibility
74 with existing overlay support. */
75 if (addr
== MSPR_ADDR
)
77 if ((*(const char *) source
& MSPR_PURGE
) != 0)
81 if (addr
== MCCR_ADDR
)
83 if ((*(const char *) source
& MCCR_CP
) != 0)
89 if (STATE_ENVIRONMENT (sd
) != OPERATING_ENVIRONMENT
)
92 #ifdef HAVE_DV_SOCKSER
93 if (addr
== UART_OUTCHAR_ADDR
)
95 int rc
= dv_sockser_write (sd
, *(char *) source
);
104 device_error (device
*me
, char *message
, ...)
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