0.3.1/devices/dev_sn.c

/*
 *  Copyright (C) 2004-2005  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_sn.c,v 1.10 2005/03/14 19:14:02 debug Exp $
 *  
 *  National Semiconductor SONIC ("sn") DP83932 ethernet.
 *
 *
 *  TODO
 */

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

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

#include "dp83932reg.h"


#define DEV_SN_LENGTH           0x1000

struct sn_data {
        int             irq_nr;
        unsigned char   macaddr[6];
        uint32_t        reg[SONIC_NREGS];
};


/*
 *  dev_sn_access():
 */
int dev_sn_access(struct cpu *cpu, struct memory *mem,
        uint64_t relative_addr, unsigned char *data, size_t len,
        int writeflag, void *extra)
{
        struct sn_data *d = (struct sn_data *) extra;
        uint64_t idata = 0, odata = 0;
        int regnr;

        idata = memory_readmax64(cpu, data, len);
        regnr = relative_addr / sizeof(uint32_t);

        if (regnr < SONIC_NREGS) {
                if (writeflag == MEM_WRITE)
                        d->reg[regnr] = idata;
                else
                        odata = d->reg[regnr];
        }

        switch (regnr) {
        default:
                if (writeflag == MEM_WRITE) {
                        fatal("[ sn: unimplemented write to address 0x%x"
                            " (regnr %i), data=0x%02x ]\n",
                            (int)relative_addr, regnr, (int)idata);
                } else {
                        fatal("[ sn: unimplemented read from address 0x%x "
                            "(regnr %i) ]\n", (int)relative_addr, regnr);
                }
        }

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

        return 1;
}


/*
 *  devinit_sn():
 */
int devinit_sn(struct devinit *devinit)
{
        char *name2;
        struct sn_data *d = malloc(sizeof(struct sn_data));

        if (d == NULL) {
                fprintf(stderr, "out of memory\n");
                exit(1);
        }
        memset(d, 0, sizeof(struct sn_data));
        d->irq_nr = devinit->irq_nr;

        net_generate_unique_mac(devinit->machine, d->macaddr);

        name2 = malloc(50);
        if (name2 == NULL) {
                fprintf(stderr, "out of memory in dev_sn_init()\n");
                exit(1);
        }
        sprintf(name2, "%s [%02x:%02x:%02x:%02x:%02x:%02x]",
            devinit->name,
            d->macaddr[0], d->macaddr[1], d->macaddr[2],
            d->macaddr[3], d->macaddr[4], d->macaddr[5]);

        memory_device_register(devinit->machine->memory, name2,
            devinit->addr, DEV_SN_LENGTH,
            dev_sn_access, (void *)d, MEM_DEFAULT, NULL);

        net_add_nic(devinit->machine->emul->net, d, d->macaddr);

        return 1;
}

1	/*
2	* Copyright (C) 2004-2005 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_sn.c,v 1.10 2005/03/14 19:14:02 debug Exp $
29	*
30	* National Semiconductor SONIC ("sn") DP83932 ethernet.
31	*
32	*
33	* TODO
34	*/
35
36	#include <stdio.h>
37	#include <stdlib.h>
38	#include <string.h>
39
40	#include "cpu.h"
41	#include "device.h"
42	#include "emul.h"
43	#include "machine.h"
44	#include "memory.h"
45	#include "misc.h"
46	#include "net.h"
47
48	#include "dp83932reg.h"
49
50
51	#define DEV_SN_LENGTH 0x1000
52
53	struct sn_data {
54	int irq_nr;
55	unsigned char macaddr[6];
56	uint32_t reg[SONIC_NREGS];
57	};
58
59
60	/*
61	* dev_sn_access():
62	*/
63	int dev_sn_access(struct cpu cpu, struct memory mem,
64	uint64_t relative_addr, unsigned char *data, size_t len,
65	int writeflag, void *extra)
66	{
67	struct sn_data d = (struct sn_data ) extra;
68	uint64_t idata = 0, odata = 0;
69	int regnr;
70
71	idata = memory_readmax64(cpu, data, len);
72	regnr = relative_addr / sizeof(uint32_t);
73
74	if (regnr < SONIC_NREGS) {
75	if (writeflag == MEM_WRITE)
76	d->reg[regnr] = idata;
77	else
78	odata = d->reg[regnr];
79	}
80
81	switch (regnr) {
82	default:
83	if (writeflag == MEM_WRITE) {
84	fatal("[ sn: unimplemented write to address 0x%x"
85	" (regnr %i), data=0x%02x ]\n",
86	(int)relative_addr, regnr, (int)idata);
87	} else {
88	fatal("[ sn: unimplemented read from address 0x%x "
89	"(regnr %i) ]\n", (int)relative_addr, regnr);
90	}
91	}
92
93	if (writeflag == MEM_READ)
94	memory_writemax64(cpu, data, len, odata);
95
96	return 1;
97	}
98
99
100	/*
101	* devinit_sn():
102	*/
103	int devinit_sn(struct devinit *devinit)
104	{
105	char *name2;
106	struct sn_data *d = malloc(sizeof(struct sn_data));
107
108	if (d == NULL) {
109	fprintf(stderr, "out of memory\n");
110	exit(1);
111	}
112	memset(d, 0, sizeof(struct sn_data));
113	d->irq_nr = devinit->irq_nr;
114
115	net_generate_unique_mac(devinit->machine, d->macaddr);
116
117	name2 = malloc(50);
118	if (name2 == NULL) {
119	fprintf(stderr, "out of memory in dev_sn_init()\n");
120	exit(1);
121	}
122	sprintf(name2, "%s [%02x:%02x:%02x:%02x:%02x:%02x]",
123	devinit->name,
124	d->macaddr[0], d->macaddr[1], d->macaddr[2],
125	d->macaddr[3], d->macaddr[4], d->macaddr[5]);
126
127	memory_device_register(devinit->machine->memory, name2,
128	devinit->addr, DEV_SN_LENGTH,
129	dev_sn_access, (void *)d, MEM_DEFAULT, NULL);
130
131	net_add_nic(devinit->machine->emul->net, d, d->macaddr);
132
133	return 1;
134	}
135