src/devices/dev_ps2_ether.c

/*
 *  Copyright (C) 2005-2007  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *   
 *
 *  $Id: dev_ps2_ether.c,v 1.8 2007/06/15 19:57:33 debug Exp $
 *  
 *  COMMENT: PlayStation 2 ethernet (smap and emac3)
 *
 *  TODO
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "cpu.h"
#include "device.h"
#include "machine.h"
#include "memory.h"
#include "misc.h"


#define debug fatal

struct ps2_ether_data {
        int     dummy;
};


DEVICE_ACCESS(ps2_ether)
{
        /*  struct ps2_ether_data *d = extra;  */
        uint64_t idata = 0, odata = 0;

        if (writeflag == MEM_WRITE)
                idata = memory_readmax64(cpu, data, len);

        switch (relative_addr) {

        case 0x105c:
                /*  TODO: make these register accesses nicer  */
                break;

        case 0x105e:
                odata = 0x8000; /*  STACR_OC  */
                break;

        default:
                if (writeflag==MEM_READ) {
                        debug("[ ps2_ether: read from addr 0x%x: 0x%llx ]\n",
                            (int)relative_addr, (long long)odata);
                } else {
                        debug("[ ps2_ether: write to addr 0x%x: 0x%llx ]\n",
                            (int)relative_addr, (long long)idata);
                }
        }

        if (writeflag == MEM_READ)
                memory_writemax64(cpu, data, len, odata);

        return 1;
}


DEVINIT(ps2_ether)
{
        struct ps2_ether_data *d;

        CHECK_ALLOCATION(d = malloc(sizeof(struct ps2_ether_data)));
        memset(d, 0, sizeof(struct ps2_ether_data));

        memory_device_register(devinit->machine->memory, devinit->name,
            devinit->addr, 0x4000,
            dev_ps2_ether_access, d, DM_DEFAULT, NULL);

        return 1;
}

1	/*
2	* Copyright (C) 2005-2007 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	* $Id: dev_ps2_ether.c,v 1.8 2007/06/15 19:57:33 debug Exp $
29	*
30	* COMMENT: PlayStation 2 ethernet (smap and emac3)
31	*
32	* TODO
33	*/
34
35	#include <stdio.h>
36	#include <stdlib.h>
37	#include <string.h>
38
39	#include "cpu.h"
40	#include "device.h"
41	#include "machine.h"
42	#include "memory.h"
43	#include "misc.h"
44
45
46	#define debug fatal
47
48	struct ps2_ether_data {
49	int dummy;
50	};
51
52
53	DEVICE_ACCESS(ps2_ether)
54	{
55	/* struct ps2_ether_data d = extra; /
56	uint64_t idata = 0, odata = 0;
57
58	if (writeflag == MEM_WRITE)
59	idata = memory_readmax64(cpu, data, len);
60
61	switch (relative_addr) {
62
63	case 0x105c:
64	/* TODO: make these register accesses nicer */
65	break;
66
67	case 0x105e:
68	odata = 0x8000; /* STACR_OC */
69	break;
70
71	default:
72	if (writeflag==MEM_READ) {
73	debug("[ ps2_ether: read from addr 0x%x: 0x%llx ]\n",
74	(int)relative_addr, (long long)odata);
75	} else {
76	debug("[ ps2_ether: write to addr 0x%x: 0x%llx ]\n",
77	(int)relative_addr, (long long)idata);
78	}
79	}
80
81	if (writeflag == MEM_READ)
82	memory_writemax64(cpu, data, len, odata);
83
84	return 1;
85	}
86
87
88	DEVINIT(ps2_ether)
89	{
90	struct ps2_ether_data *d;
91
92	CHECK_ALLOCATION(d = malloc(sizeof(struct ps2_ether_data)));
93	memset(d, 0, sizeof(struct ps2_ether_data));
94
95	memory_device_register(devinit->machine->memory, devinit->name,
96	devinit->addr, 0x4000,
97	dev_ps2_ether_access, d, DM_DEFAULT, NULL);
98
99	return 1;
100	}
101