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dpavlin |
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/* |
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* Copyright (C) 2004-2005 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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* $Id: dev_sn.c,v 1.10 2005/03/14 19:14:02 debug Exp $ |
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* |
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* National Semiconductor SONIC ("sn") DP83932 ethernet. |
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* |
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* |
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* TODO |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "cpu.h" |
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#include "device.h" |
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#include "emul.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "misc.h" |
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#include "net.h" |
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#include "dp83932reg.h" |
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#define DEV_SN_LENGTH 0x1000 |
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struct sn_data { |
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int irq_nr; |
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unsigned char macaddr[6]; |
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uint32_t reg[SONIC_NREGS]; |
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}; |
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/* |
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* dev_sn_access(): |
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*/ |
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int dev_sn_access(struct cpu *cpu, struct memory *mem, |
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uint64_t relative_addr, unsigned char *data, size_t len, |
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int writeflag, void *extra) |
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{ |
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struct sn_data *d = (struct sn_data *) extra; |
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uint64_t idata = 0, odata = 0; |
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int regnr; |
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idata = memory_readmax64(cpu, data, len); |
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regnr = relative_addr / sizeof(uint32_t); |
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if (regnr < SONIC_NREGS) { |
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if (writeflag == MEM_WRITE) |
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d->reg[regnr] = idata; |
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else |
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odata = d->reg[regnr]; |
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} |
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switch (regnr) { |
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default: |
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if (writeflag == MEM_WRITE) { |
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fatal("[ sn: unimplemented write to address 0x%x" |
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" (regnr %i), data=0x%02x ]\n", |
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(int)relative_addr, regnr, (int)idata); |
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} else { |
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fatal("[ sn: unimplemented read from address 0x%x " |
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"(regnr %i) ]\n", (int)relative_addr, regnr); |
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} |
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} |
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if (writeflag == MEM_READ) |
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memory_writemax64(cpu, data, len, odata); |
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return 1; |
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} |
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/* |
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* devinit_sn(): |
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*/ |
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int devinit_sn(struct devinit *devinit) |
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{ |
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char *name2; |
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struct sn_data *d = malloc(sizeof(struct sn_data)); |
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if (d == NULL) { |
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fprintf(stderr, "out of memory\n"); |
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exit(1); |
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} |
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memset(d, 0, sizeof(struct sn_data)); |
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d->irq_nr = devinit->irq_nr; |
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net_generate_unique_mac(devinit->machine, d->macaddr); |
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name2 = malloc(50); |
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if (name2 == NULL) { |
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fprintf(stderr, "out of memory in dev_sn_init()\n"); |
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exit(1); |
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} |
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sprintf(name2, "%s [%02x:%02x:%02x:%02x:%02x:%02x]", |
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devinit->name, |
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d->macaddr[0], d->macaddr[1], d->macaddr[2], |
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d->macaddr[3], d->macaddr[4], d->macaddr[5]); |
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memory_device_register(devinit->machine->memory, name2, |
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devinit->addr, DEV_SN_LENGTH, |
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dev_sn_access, (void *)d, MEM_DEFAULT, NULL); |
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net_add_nic(devinit->machine->emul->net, d, d->macaddr); |
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return 1; |
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} |
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