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/* |
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* Copyright (C) 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_ps2_ether.c,v 1.2 2005/04/15 21:39:56 debug Exp $ |
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* |
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* Playstation 2 ethernet (smap and emac3). |
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* |
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* TODO |
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*/ |
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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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|
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#include "cpu.h" |
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#include "device.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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|
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|
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#define debug fatal |
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|
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struct ps2_ether_data { |
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int dummy; |
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}; |
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|
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|
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/* |
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* dev_ps2_ether_access(): |
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*/ |
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int dev_ps2_ether_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 ps2_ether_data *d = extra; */ |
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uint64_t idata = 0, odata = 0; |
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|
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idata = memory_readmax64(cpu, data, len); |
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|
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switch (relative_addr) { |
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case 0x105c: |
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/* TODO: make these register accesses nicer */ |
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break; |
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case 0x105e: |
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odata = 0x8000; /* STACR_OC */ |
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break; |
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default: |
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if (writeflag==MEM_READ) { |
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debug("[ ps2_ether: read from addr 0x%x: 0x%llx ]\n", |
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(int)relative_addr, (long long)odata); |
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} else { |
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debug("[ ps2_ether: write to addr 0x%x: 0x%llx ]\n", |
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(int)relative_addr, (long long)idata); |
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} |
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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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|
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return 1; |
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} |
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|
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|
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/* |
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* devinit_ps2_ether(): |
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*/ |
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int devinit_ps2_ether(struct devinit *devinit) |
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{ |
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struct ps2_ether_data *d; |
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|
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d = malloc(sizeof(struct ps2_ether_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 ps2_ether_data)); |
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|
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memory_device_register(devinit->machine->memory, devinit->name, |
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devinit->addr, 0x4000, |
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dev_ps2_ether_access, d, MEM_DEFAULT, NULL); |
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|
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return 1; |
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} |
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