src/devices/dev_ps2_ether.c

/*
 *  Copyright (C) 2005-2006  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 1.6 2006/02/09 20:02:59 debug Exp $
 *  
 *  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;
};


/*
 *  dev_ps2_ether_access():
 */
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;

        d = malloc(sizeof(struct ps2_ether_data));
        if (d == NULL) {
                fprintf(stderr, "out of memory\n");
                exit(1);
        }
        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	dpavlin	4	/*
2	dpavlin	22	* Copyright (C) 2005-2006 Anders Gavare. All rights reserved.
3	dpavlin	4	*
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	dpavlin	22	* $Id: dev_ps2_ether.c,v 1.6 2006/02/09 20:02:59 debug Exp $
29	dpavlin	4	*
30			* 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			/*
54			* dev_ps2_ether_access():
55			*/
56	dpavlin	22	DEVICE_ACCESS(ps2_ether)
57	dpavlin	4	{
58			/* struct ps2_ether_data d = extra; /
59			uint64_t idata = 0, odata = 0;
60
61	dpavlin	18	if (writeflag == MEM_WRITE)
62			idata = memory_readmax64(cpu, data, len);
63	dpavlin	4
64			switch (relative_addr) {
65			case 0x105c:
66			/* TODO: make these register accesses nicer */
67			break;
68			case 0x105e:
69			odata = 0x8000; /* STACR_OC */
70			break;
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	dpavlin	22	DEVINIT(ps2_ether)
89	dpavlin	4	{
90			struct ps2_ether_data *d;
91
92			d = malloc(sizeof(struct ps2_ether_data));
93			if (d == NULL) {
94			fprintf(stderr, "out of memory\n");
95			exit(1);
96			}
97			memset(d, 0, sizeof(struct ps2_ether_data));
98
99			memory_device_register(devinit->machine->memory, devinit->name,
100			devinit->addr, 0x4000,
101	dpavlin	20	dev_ps2_ether_access, d, DM_DEFAULT, NULL);
102	dpavlin	4
103			return 1;
104			}
105