Commit | Line | Data |
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f6bcefef | 1 | /* CRIS device support |
9b254dd1 | 2 | Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
f6bcefef HPN |
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 | |
4744ac1b JB |
9 | the Free Software Foundation; either version 3 of the License, or |
10 | (at your option) any later version. | |
f6bcefef HPN |
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 | ||
4744ac1b JB |
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/>. */ | |
f6bcefef HPN |
19 | |
20 | /* Based on the i960 devices.c (for the purposes, the same as all the | |
21 | others). */ | |
22 | ||
23 | #include "sim-main.h" | |
24 | ||
25 | #ifdef HAVE_DV_SOCKSER | |
26 | #include "dv-sockser.h" | |
27 | #endif | |
28 | ||
aad3b3cb HPN |
29 | #include "hw-device.h" |
30 | ||
f6bcefef HPN |
31 | /* Placeholder definition. */ |
32 | struct _device { char dummy; } cris_devices; | |
33 | ||
34 | void | |
35 | device_error (device *me ATTRIBUTE_UNUSED, | |
36 | char *message ATTRIBUTE_UNUSED, | |
37 | ...) | |
38 | { | |
39 | abort (); | |
40 | } | |
41 | ||
42 | int | |
43 | device_io_read_buffer (device *me ATTRIBUTE_UNUSED, | |
44 | void *source ATTRIBUTE_UNUSED, | |
45 | int space ATTRIBUTE_UNUSED, | |
46 | address_word addr ATTRIBUTE_UNUSED, | |
47 | unsigned nr_bytes ATTRIBUTE_UNUSED, | |
48 | SIM_DESC sd ATTRIBUTE_UNUSED, | |
49 | SIM_CPU *cpu ATTRIBUTE_UNUSED, | |
50 | sim_cia cia ATTRIBUTE_UNUSED) | |
51 | { | |
aad3b3cb HPN |
52 | #if WITH_HW |
53 | return hw_io_read_buffer ((struct hw *) me, source, space, addr, nr_bytes); | |
54 | #else | |
f6bcefef | 55 | abort (); |
aad3b3cb | 56 | #endif |
f6bcefef HPN |
57 | } |
58 | ||
59 | int | |
60 | device_io_write_buffer (device *me ATTRIBUTE_UNUSED, | |
61 | const void *source, | |
62 | int space ATTRIBUTE_UNUSED, | |
63 | address_word addr, unsigned nr_bytes, | |
64 | SIM_DESC sd, SIM_CPU *cpu, sim_cia cia) | |
65 | { | |
66 | static const unsigned char ok[] = { 4, 0, 0, 0x90}; | |
67 | static const unsigned char bad[] = { 8, 0, 0, 0x90}; | |
68 | ||
aad3b3cb HPN |
69 | if (cris_have_900000xxif) |
70 | { | |
71 | if (addr == 0x90000004 && memcmp (source, ok, sizeof ok) == 0) | |
72 | return cris_break_13_handler (cpu, 1, 0, 0, 0, 0, 0, 0, cia); | |
73 | else if (addr == 0x90000008 | |
74 | && memcmp (source, bad, sizeof bad) == 0) | |
75 | return cris_break_13_handler (cpu, 1, 34, 0, 0, 0, 0, 0, cia); | |
76 | } | |
77 | #if WITH_HW | |
78 | else | |
79 | return hw_io_write_buffer ((struct hw *) me, source, space, addr, nr_bytes); | |
80 | #endif | |
f6bcefef HPN |
81 | |
82 | /* If it wasn't one of those, send an invalid-memory signal. */ | |
83 | sim_core_signal (sd, cpu, cia, 0, nr_bytes, addr, | |
84 | write_transfer, sim_core_unmapped_signal); | |
aad3b3cb HPN |
85 | |
86 | return 0; | |
f6bcefef | 87 | } |