1 /*
2 * Copyright (C) 2005-2009 Anders Gavare. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 *
28 * COMMENT: PlayStation 2 ethernet (smap and emac3)
29 *
30 * TODO
31 */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36
37 #include "cpu.h"
38 #include "device.h"
39 #include "machine.h"
40 #include "memory.h"
41 #include "misc.h"
42
43
44 #define debug fatal
45
46 struct ps2_ether_data {
47 int dummy;
48 };
49
50
DEVICE_ACCESS(ps2_ether)51 DEVICE_ACCESS(ps2_ether)
52 {
53 /* struct ps2_ether_data *d = extra; */
54 uint64_t idata = 0, odata = 0;
55
56 if (writeflag == MEM_WRITE)
57 idata = memory_readmax64(cpu, data, len);
58
59 switch (relative_addr) {
60
61 case 0x105c:
62 /* TODO: make these register accesses nicer */
63 break;
64
65 case 0x105e:
66 odata = 0x8000; /* STACR_OC */
67 break;
68
69 default:
70 if (writeflag==MEM_READ) {
71 debug("[ ps2_ether: read from addr 0x%x: 0x%llx ]\n",
72 (int)relative_addr, (long long)odata);
73 } else {
74 debug("[ ps2_ether: write to addr 0x%x: 0x%llx ]\n",
75 (int)relative_addr, (long long)idata);
76 }
77 }
78
79 if (writeflag == MEM_READ)
80 memory_writemax64(cpu, data, len, odata);
81
82 return 1;
83 }
84
85
DEVINIT(ps2_ether)86 DEVINIT(ps2_ether)
87 {
88 struct ps2_ether_data *d;
89
90 CHECK_ALLOCATION(d = (struct ps2_ether_data *) malloc(sizeof(struct ps2_ether_data)));
91 memset(d, 0, sizeof(struct ps2_ether_data));
92
93 memory_device_register(devinit->machine->memory, devinit->name,
94 devinit->addr, 0x4000,
95 dev_ps2_ether_access, d, DM_DEFAULT, NULL);
96
97 return 1;
98 }
99
100