2 Copyright (C) 1997, 1998, 1999 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 2, or (at your option)
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 along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23 #ifdef HAVE_DV_SOCKSER
24 #include "dv-sockser.h"
27 /* Handling the MSPR register is done by creating a device in the core
28 mapping that winds up here. */
33 device_io_read_buffer (device
*me
, void *source
, int space
,
34 address_word addr
, unsigned nr_bytes
,
35 SIM_DESC sd
, SIM_CPU
*cpu
, sim_cia cia
)
37 if (STATE_ENVIRONMENT (sd
) != OPERATING_ENVIRONMENT
)
40 #ifdef HAVE_DV_SOCKSER
41 if (addr
== UART_INCHAR_ADDR
)
43 int c
= dv_sockser_read (sd
);
49 if (addr
== UART_STATUS_ADDR
)
51 int status
= dv_sockser_status (sd
);
52 unsigned char *p
= source
;
54 p
[1] = (((status
& DV_SOCKSER_INPUT_EMPTY
)
55 #ifdef UART_INPUT_READY0
56 ? UART_INPUT_READY
: 0)
58 ? 0 : UART_INPUT_READY
)
60 + ((status
& DV_SOCKSER_OUTPUT_EMPTY
) ? UART_OUTPUT_READY
: 0));
69 device_io_write_buffer (device
*me
, const void *source
, int space
,
70 address_word addr
, unsigned nr_bytes
,
71 SIM_DESC sd
, SIM_CPU
*cpu
, sim_cia cia
)
74 /* MSPR support is deprecated but is kept in for upward compatibility
75 with existing overlay support. */
76 if (addr
== MSPR_ADDR
)
78 if ((*(const char *) source
& MSPR_PURGE
) != 0)
82 if (addr
== MCCR_ADDR
)
84 if ((*(const char *) source
& MCCR_CP
) != 0)
90 if (STATE_ENVIRONMENT (sd
) != OPERATING_ENVIRONMENT
)
94 if (addr
== UART_OUTCHAR_ADDR
)
96 int rc
= dv_sockser_write (sd
, *(char *) source
);
105 device_error (device
*me
, char *message
, ...)
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