Commit | Line | Data |
---|---|---|
f6bcefef HPN |
1 | /* CRIS device support |
2 | Copyright (C) 2004, 2005 Free Software Foundation, Inc. | |
3 | Contributed by Axis Communications. | |
4 | ||
5 | This file is part of the GNU simulators. | |
6 | ||
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) | |
10 | any later version. | |
11 | ||
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. | |
16 | ||
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. */ | |
20 | ||
21 | /* Based on the i960 devices.c (for the purposes, the same as all the | |
22 | others). */ | |
23 | ||
24 | #include "sim-main.h" | |
25 | ||
26 | #ifdef HAVE_DV_SOCKSER | |
27 | #include "dv-sockser.h" | |
28 | #endif | |
29 | ||
30 | /* Placeholder definition. */ | |
31 | struct _device { char dummy; } cris_devices; | |
32 | ||
33 | void | |
34 | device_error (device *me ATTRIBUTE_UNUSED, | |
35 | char *message ATTRIBUTE_UNUSED, | |
36 | ...) | |
37 | { | |
38 | abort (); | |
39 | } | |
40 | ||
41 | int | |
42 | device_io_read_buffer (device *me ATTRIBUTE_UNUSED, | |
43 | void *source ATTRIBUTE_UNUSED, | |
44 | int space ATTRIBUTE_UNUSED, | |
45 | address_word addr ATTRIBUTE_UNUSED, | |
46 | unsigned nr_bytes ATTRIBUTE_UNUSED, | |
47 | SIM_DESC sd ATTRIBUTE_UNUSED, | |
48 | SIM_CPU *cpu ATTRIBUTE_UNUSED, | |
49 | sim_cia cia ATTRIBUTE_UNUSED) | |
50 | { | |
51 | abort (); | |
52 | } | |
53 | ||
54 | int | |
55 | device_io_write_buffer (device *me ATTRIBUTE_UNUSED, | |
56 | const void *source, | |
57 | int space ATTRIBUTE_UNUSED, | |
58 | address_word addr, unsigned nr_bytes, | |
59 | SIM_DESC sd, SIM_CPU *cpu, sim_cia cia) | |
60 | { | |
61 | static const unsigned char ok[] = { 4, 0, 0, 0x90}; | |
62 | static const unsigned char bad[] = { 8, 0, 0, 0x90}; | |
63 | ||
64 | if (addr == 0x90000004 && memcmp (source, ok, sizeof ok) == 0) | |
65 | cris_break_13_handler (cpu, 1, 0, 0, 0, 0, 0, 0, cia); | |
66 | else if (addr == 0x90000008 | |
67 | && memcmp (source, bad, sizeof bad) == 0) | |
68 | cris_break_13_handler (cpu, 1, 34, 0, 0, 0, 0, 0, cia); | |
69 | ||
70 | /* If it wasn't one of those, send an invalid-memory signal. */ | |
71 | sim_core_signal (sd, cpu, cia, 0, nr_bytes, addr, | |
72 | write_transfer, sim_core_unmapped_signal); | |
73 | } |