0.3.1/devices/dev_ps2_spd.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_ps2_spd.c,v 1.8 2005/02/21 09:37:43 debug Exp $
 *  
 *  Playstation 2 "SPD" harddisk controller.
 *
 *  TODO
        0x40:           0
        0x42:           1
        0x44:           2
        0x46:           3
        0x48:           4
        0x4a:           5
        0x4c: sdh       6
        0x4e: status    7
 */

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

#include "cpu.h"
#include "memory.h"
#include "misc.h"
#include "devices.h"


struct ps2_spd_data {
        uint64_t                wdcaddr;
};


/*
 *  dev_ps2_spd_access():
 */
int dev_ps2_spd_access(struct cpu *cpu, struct memory *mem,
        uint64_t relative_addr, unsigned char *data, size_t len,
        int writeflag, void *extra)
{
        struct ps2_spd_data *d = extra;
        uint64_t idata = 0, odata = 0;

        idata = memory_readmax64(cpu, data, len);

        switch (relative_addr) {
        case 0x40:
        case 0x42:
        case 0x44:
        case 0x46:
        case 0x48:
        case 0x4a:
        case 0x4c:
        case 0x4e:
                debug("[ ps2_spd: wdc access ]\n");
                cpu->memory_rw(cpu, mem, (relative_addr - 0x40) / 2 +
                    d->wdcaddr, data, len, writeflag, PHYSICAL);
                return 1;
        case 0x5c:      /*  aux control  */
                debug("[ ps2_spd: wdc access (2) ]\n");
                cpu->memory_rw(cpu, mem, d->wdcaddr + 0x206, data, len,
                    writeflag, PHYSICAL);
                return 1;
        default:
                if (writeflag==MEM_READ) {
                        debug("[ ps2_spd: read from addr 0x%x: 0x%llx ]\n",
                            (int)relative_addr, (long long)odata);
                } else {
                        debug("[ ps2_spd: 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;
}


/*
 *  dev_ps2_spd_init():
 */
void dev_ps2_spd_init(struct machine *machine, struct memory *mem,
        uint64_t baseaddr)
{
        struct ps2_spd_data *d;

        d = malloc(sizeof(struct ps2_spd_data));
        if (d == NULL) {
                fprintf(stderr, "out of memory\n");
                exit(1);
        }
        memset(d, 0, sizeof(struct ps2_spd_data));
        d->wdcaddr = baseaddr + DEV_PS2_SPD_LENGTH;

        memory_device_register(mem, "ps2_spd", baseaddr, DEV_PS2_SPD_LENGTH,
            dev_ps2_spd_access, d, MEM_DEFAULT, NULL);

        /*  Register a generic wdc device at a bogus address:  */
        dev_wdc_init(machine, mem, d->wdcaddr, 0  /* TODO: irq  */ , 0);
}

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_ps2_spd.c,v 1.8 2005/02/21 09:37:43 debug Exp $
29	*
30	* Playstation 2 "SPD" harddisk controller.
31	*
32	* TODO
33	0x40: 0
34	0x42: 1
35	0x44: 2
36	0x46: 3
37	0x48: 4
38	0x4a: 5
39	0x4c: sdh 6
40	0x4e: status 7
41	*/
42
43	#include <stdio.h>
44	#include <stdlib.h>
45	#include <string.h>
46
47	#include "cpu.h"
48	#include "memory.h"
49	#include "misc.h"
50	#include "devices.h"
51
52
53	struct ps2_spd_data {
54	uint64_t wdcaddr;
55	};
56
57
58	/*
59	* dev_ps2_spd_access():
60	*/
61	int dev_ps2_spd_access(struct cpu cpu, struct memory mem,
62	uint64_t relative_addr, unsigned char *data, size_t len,
63	int writeflag, void *extra)
64	{
65	struct ps2_spd_data *d = extra;
66	uint64_t idata = 0, odata = 0;
67
68	idata = memory_readmax64(cpu, data, len);
69
70	switch (relative_addr) {
71	case 0x40:
72	case 0x42:
73	case 0x44:
74	case 0x46:
75	case 0x48:
76	case 0x4a:
77	case 0x4c:
78	case 0x4e:
79	debug("[ ps2_spd: wdc access ]\n");
80	cpu->memory_rw(cpu, mem, (relative_addr - 0x40) / 2 +
81	d->wdcaddr, data, len, writeflag, PHYSICAL);
82	return 1;
83	case 0x5c: /* aux control */
84	debug("[ ps2_spd: wdc access (2) ]\n");
85	cpu->memory_rw(cpu, mem, d->wdcaddr + 0x206, data, len,
86	writeflag, PHYSICAL);
87	return 1;
88	default:
89	if (writeflag==MEM_READ) {
90	debug("[ ps2_spd: read from addr 0x%x: 0x%llx ]\n",
91	(int)relative_addr, (long long)odata);
92	} else {
93	debug("[ ps2_spd: write to addr 0x%x: 0x%llx ]\n",
94	(int)relative_addr, (long long)idata);
95	}
96	}
97
98	if (writeflag == MEM_READ)
99	memory_writemax64(cpu, data, len, odata);
100
101	return 1;
102	}
103
104
105	/*
106	* dev_ps2_spd_init():
107	*/
108	void dev_ps2_spd_init(struct machine machine, struct memory mem,
109	uint64_t baseaddr)
110	{
111	struct ps2_spd_data *d;
112
113	d = malloc(sizeof(struct ps2_spd_data));
114	if (d == NULL) {
115	fprintf(stderr, "out of memory\n");
116	exit(1);
117	}
118	memset(d, 0, sizeof(struct ps2_spd_data));
119	d->wdcaddr = baseaddr + DEV_PS2_SPD_LENGTH;
120
121	memory_device_register(mem, "ps2_spd", baseaddr, DEV_PS2_SPD_LENGTH,
122	dev_ps2_spd_access, d, MEM_DEFAULT, NULL);
123
124	/* Register a generic wdc device at a bogus address: */
125	dev_wdc_init(machine, mem, d->wdcaddr, 0 /* TODO: irq */ , 0);
126	}
127