/[gxemul]/upstream/0.4.6/src/machines/machine_playstation2.c
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Contents of /upstream/0.4.6/src/machines/machine_playstation2.c

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Revision 43 - (show annotations)
Mon Oct 8 16:22:43 2007 UTC (16 years, 8 months ago) by dpavlin
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File size: 6205 byte(s)
0.4.6
1 /*
2 * Copyright (C) 2003-2007 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: machine_playstation2.c,v 1.12 2007/06/15 18:08:10 debug Exp $
29 *
30 * COMMENT: Sony PlayStation 2
31 */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <time.h>
37
38 #include "cpu.h"
39 #include "device.h"
40 #include "devices.h"
41 #include "diskimage.h"
42 #include "machine.h"
43 #include "memory.h"
44 #include "misc.h"
45
46 #define PLAYSTATION2_BDA 0xffffffffa0001000ULL
47 #define PLAYSTATION2_OPTARGS 0xffffffff81fff100ULL
48 #define PLAYSTATION2_SIFBIOS 0xffffffffbfc10000ULL
49
50
51 static int int_to_bcd(int i)
52 {
53 return (i/10) * 16 + (i % 10);
54 }
55
56
57 MACHINE_SETUP(playstation2)
58 {
59 char tmpstr[200];
60 int tmplen;
61 char *tmp;
62 time_t timet;
63 struct tm *tm_ptr;
64
65 machine->machine_name = "Playstation 2";
66 cpu->byte_order = EMUL_LITTLE_ENDIAN;
67
68 if (machine->physical_ram_in_mb != 32)
69 fprintf(stderr, "WARNING! Playstation 2 machines are supposed "
70 "to have exactly 32 MB RAM. Continuing anyway.\n");
71 if (!machine->x11_md.in_use)
72 fprintf(stderr, "WARNING! Playstation 2 without -X is pretty "
73 "meaningless. Continuing anyway.\n");
74
75 /*
76 * According to NetBSD:
77 *
78 * Hardware irq 0 is timer/interrupt controller
79 * Hardware irq 1 is dma controller
80 *
81 * Some things are not yet emulated (at all), and hence are detected
82 * incorrectly:
83 *
84 * sbus0 at mainbus0: controller type 2
85 * ohci0 at sbus0 (at 0x1f801600, according to linux)
86 * ohci0: OHCI version 1.0
87 */
88
89 device_add(machine, "ps2 addr=0x10000000");
90 device_add(machine, "ps2_gs addr=0x12000000");
91 device_add(machine, "ps2_ether addr=0x14001000");
92
93 /* TODO: how much? */
94 dev_ram_init(machine, 0x1c000000, 4 * 1048576, DEV_RAM_RAM, 0);
95
96 /* OHCI at SBUS irq 1: */
97 snprintf(tmpstr, sizeof(tmpstr), "ohci addr=0x1f801600 irq="
98 "%s.cpu[%i].ps2_sbus.1", machine->path, machine->bootstrap_cpu);
99 device_add(machine, tmpstr);
100
101 /* Set the Harddisk controller present flag, if either
102 disk 0 or 1 is present: */
103 if (diskimage_exist(machine, 0, DISKIMAGE_IDE) ||
104 diskimage_exist(machine, 1, DISKIMAGE_IDE)) {
105 if (machine->prom_emulation)
106 store_32bit_word(cpu, 0xa0000000 + machine->
107 physical_ram_in_mb*1048576 - 0x1000 + 0x0, 0x100);
108 device_add(machine, "ps2_spd addr=0x14000000");
109 }
110
111 if (!machine->prom_emulation)
112 return;
113
114
115 tmplen = 1000;
116 CHECK_ALLOCATION(tmp = malloc(tmplen));
117
118 add_symbol_name(&machine->symbol_context,
119 PLAYSTATION2_SIFBIOS, 0x10000, "[SIFBIOS entry]", 0, 0);
120 store_32bit_word(cpu, PLAYSTATION2_BDA + 0,
121 PLAYSTATION2_SIFBIOS);
122 store_buf(cpu, PLAYSTATION2_BDA + 4, "PS2b", 4);
123
124 /* "Magic trap" instruction for software PROM emulation: */
125 store_32bit_word(cpu, PLAYSTATION2_SIFBIOS, 0x00c0de0c);
126
127 store_32bit_word(cpu, 0xa0000000 + machine->physical_ram_in_mb
128 * 1048576 - 0x1000 + 0x4, PLAYSTATION2_OPTARGS);
129
130 strlcpy(tmp, "root=/dev/hda1 crtmode=vesa0,60", tmplen);
131
132 if (machine->boot_string_argument[0])
133 snprintf(tmp+strlen(tmp), tmplen-strlen(tmp),
134 " %s", machine->boot_string_argument);
135 tmp[tmplen-1] = '\0';
136
137 machine->bootstr = tmp;
138 store_string(cpu, PLAYSTATION2_OPTARGS, machine->bootstr);
139
140 /* TODO: netbsd's bootinfo.h, for symbolic names */
141
142 /* RTC data given by the BIOS: */
143 timet = time(NULL) + 9*3600; /* PS2 uses Japanese time */
144 tm_ptr = gmtime(&timet);
145 /* TODO: are these 0- or 1-based? */
146 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
147 * 1048576 - 0x1000 + 0x10 + 1, int_to_bcd(tm_ptr->tm_sec));
148 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
149 * 1048576 - 0x1000 + 0x10 + 2, int_to_bcd(tm_ptr->tm_min));
150 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
151 * 1048576 - 0x1000 + 0x10 + 3, int_to_bcd(tm_ptr->tm_hour));
152 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
153 * 1048576 - 0x1000 + 0x10 + 5, int_to_bcd(tm_ptr->tm_mday));
154 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
155 * 1048576 - 0x1000 + 0x10 + 6, int_to_bcd(tm_ptr->tm_mon+1));
156 store_byte(cpu, 0xa0000000 + machine->physical_ram_in_mb
157 * 1048576 - 0x1000 + 0x10 + 7, int_to_bcd(tm_ptr->tm_year-100));
158
159 /* "BOOTINFO_PCMCIA_TYPE" in NetBSD's bootinfo.h. This
160 contains the sbus controller type. */
161 store_32bit_word(cpu, 0xa0000000 + machine->physical_ram_in_mb
162 * 1048576 - 0x1000 + 0x1c, 2);
163 }
164
165
166 MACHINE_DEFAULT_CPU(playstation2)
167 {
168 machine->cpu_name = strdup("R5900");
169 }
170
171
172 MACHINE_DEFAULT_RAM(playstation2)
173 {
174 machine->physical_ram_in_mb = 32;
175 }
176
177
178 MACHINE_REGISTER(playstation2)
179 {
180 MR_DEFAULT(playstation2, "Playstation 2", ARCH_MIPS, MACHINE_PS2);
181
182 machine_entry_add_alias(me, "playstation2");
183 machine_entry_add_alias(me, "ps2");
184
185 me->set_default_ram = machine_default_ram_playstation2;
186 }
187

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