dev_sn.cc Source File

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dev_sn.cc
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1 /*
2  * Copyright (C) 2004-2009 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: National Semiconductor SONIC ("sn") DP83932 ethernet controller
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 "emul.h"
40 #include "machine.h"
41 #include "memory.h"
42 #include "misc.h"
43 #include "net.h"
44 
45 #include "thirdparty/dp83932reg.h"
46 
47 
48 #define DEV_SN_LENGTH 0x1000
49 
50 struct sn_data {
51  struct interrupt irq;
52  unsigned char macaddr[6];
53  uint32_t reg[SONIC_NREGS];
54 };
55 
56 
58 {
59  struct sn_data *d = (struct sn_data *) extra;
60  uint64_t idata = 0, odata = 0;
61  int regnr;
62 
63  if (writeflag == MEM_WRITE)
64  idata = memory_readmax64(cpu, data, len);
65 
66  regnr = relative_addr / sizeof(uint32_t);
67 
68  if (regnr < SONIC_NREGS) {
69  if (writeflag == MEM_WRITE)
70  d->reg[regnr] = idata;
71  else
72  odata = d->reg[regnr];
73  }
74 
75  switch (regnr) {
76 
77  default:
78  if (writeflag == MEM_WRITE) {
79  fatal("[ sn: unimplemented write to address 0x%x"
80  " (regnr %i), data=0x%02x ]\n",
81  (int)relative_addr, regnr, (int)idata);
82  } else {
83  fatal("[ sn: unimplemented read from address 0x%x "
84  "(regnr %i) ]\n", (int)relative_addr, regnr);
85  }
86  /* exit(1); */
87  }
88 
89  if (writeflag == MEM_READ)
90  memory_writemax64(cpu, data, len, odata);
91 
92  return 1;
93 }
94 
95 
97 {
98  char *name2;
99  size_t nlen = 55;
100  struct sn_data *d;
101 
102  CHECK_ALLOCATION(d = (struct sn_data *) malloc(sizeof(struct sn_data)));
103  memset(d, 0, sizeof(struct sn_data));
104 
106 
108 
109  CHECK_ALLOCATION(name2 = (char *) malloc(nlen));
110  snprintf(name2, nlen, "%s [%02x:%02x:%02x:%02x:%02x:%02x]",
111  devinit->name, d->macaddr[0], d->macaddr[1], d->macaddr[2],
112  d->macaddr[3], d->macaddr[4], d->macaddr[5]);
113 
116  dev_sn_access, (void *)d, DM_DEFAULT, NULL);
117 
118  net_add_nic(devinit->machine->emul->net, d, d->macaddr);
119 
120  return 1;
121 }
122 
sn_data
Definition: dev_sn.cc:50
data
u_short data
Definition: siireg.h:79
INTERRUPT_CONNECT
#define INTERRUPT_CONNECT(name, istruct)
Definition: interrupt.h:77
machine::emul
struct emul * emul
Definition: machine.h:99
devinit::addr
uint64_t addr
Definition: device.h:46
memory_device_register
void memory_device_register(struct memory *mem, const char *, uint64_t baseaddr, uint64_t len, int(*f)(struct cpu *, struct memory *, uint64_t, unsigned char *, size_t, int, void *), void *extra, int flags, unsigned char *dyntrans_data)
Definition: memory.cc:339
MEM_READ
#define MEM_READ
Definition: memory.h:116
DM_DEFAULT
#define DM_DEFAULT
Definition: memory.h:130
devinit::machine
struct machine * machine
Definition: device.h:41
device.h
MEM_WRITE
#define MEM_WRITE
Definition: memory.h:117
DEV_SN_LENGTH
#define DEV_SN_LENGTH
Definition: dev_sn.cc:48
devinit::interrupt_path
char * interrupt_path
Definition: device.h:50
sn_data::irq
struct interrupt irq
Definition: dev_sn.cc:51
fatal
void fatal(const char *fmt,...)
Definition: main.cc:152
misc.h
memory_readmax64
uint64_t memory_readmax64(struct cpu *cpu, unsigned char *buf, int len)
Definition: memory.cc:55
machine.h
net_generate_unique_mac
void net_generate_unique_mac(struct machine *, unsigned char *macbuf)
Definition: net_misc.cc:88
devinit::name
char * name
Definition: device.h:43
emul.h
net_add_nic
void net_add_nic(struct net *net, void *extra, unsigned char *macaddr)
Definition: net.cc:598
devinit
Definition: device.h:40
cpu.h
emul::net
struct net * net
Definition: emul.h:43
machine::memory
struct memory * memory
Definition: machine.h:126
DEVINIT
DEVINIT(sn)
Definition: dev_sn.cc:96
sn_data::reg
uint32_t reg[SONIC_NREGS]
Definition: dev_sn.cc:53
SONIC_NREGS
#define SONIC_NREGS
Definition: dp83932reg.h:357
interrupt
Definition: interrupt.h:36
memory_writemax64
void memory_writemax64(struct cpu *cpu, unsigned char *buf, int len, uint64_t data)
Definition: memory.cc:89
cpu
Definition: cpu.h:326
dp83932reg.h
net.h
sn_data::macaddr
unsigned char macaddr[6]
Definition: dev_sn.cc:52
memory.h
DEVICE_ACCESS
DEVICE_ACCESS(sn)
Definition: dev_sn.cc:57
CHECK_ALLOCATION
#define CHECK_ALLOCATION(ptr)
Definition: misc.h:239

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