src/machines/machine_psp.c

/*
 *  Copyright (C) 2005-2006  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: machine_psp.c,v 1.2 2006/06/24 10:19:19 debug Exp $
 */

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

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


MACHINE_SETUP(psp)
{
        struct vfb_data *fb;

        /*
         *  The Playstation Portable seems to be a strange beast.
         *
         *  http://yun.cup.com/psppg004.html (in Japanese) seems to
         *  suggest that virtual addresses are not displaced by
         *  0x80000000 as on normal CPUs, but by 0x40000000?
         */
        machine->machine_name = "Playstation Portable";
        cpu->byte_order = EMUL_LITTLE_ENDIAN;

        if (!machine->use_x11)
                fprintf(stderr, "-------------------------------------"
                    "------------------------------------------\n"
                    "\n  WARNING! You are emulating a PSP without -X. "
                    "You will miss graphical output!\n\n"
                    "-------------------------------------"
                    "------------------------------------------\n");

        /*  480 x 272 pixels framebuffer (512 bytes per line)  */
        fb = dev_fb_init(machine, machine->memory, 0x04000000, VFB_HPC,
            480,272, 512,1088, -15, "Playstation Portable");

        /*
         *  TODO/NOTE: This is ugly, but necessary since GXemul doesn't
         *  emulate any MIPS CPU without MMU right now.
         */
        mips_coproc_tlb_set_entry(cpu, 0, 1048576*16, 0x44000000 /*vaddr*/,
            0x4000000, 0x4000000 + 1048576*16,  1,1,1,1,1, 0, 2, 2);
        mips_coproc_tlb_set_entry(cpu, 1, 1048576*16, 0x8000000 /*vaddr*/,
            0x0, 0x0 + 1048576*16, 1,1,1,1,1, 0, 2, 2);
        mips_coproc_tlb_set_entry(cpu, 2, 1048576*16,
            0x9000000 /*vaddr*/, 0x01000000, 0x01000000 + 1048576*16,
            1,1,1,1,1, 0, 2, 2);
        mips_coproc_tlb_set_entry(cpu, 3, 1048576*16,
            0x0 /*vaddr*/, 0, 0 + 1048576*16, 1,1,1,1,1, 0, 2, 2);

        cpu->cd.mips.gpr[MIPS_GPR_SP] = 0xfff0;
}


MACHINE_DEFAULT_CPU(psp)
{
        machine->cpu_name = strdup("Allegrex");
}


MACHINE_DEFAULT_RAM(psp)
{
        /*
         *  According to
         *  http://wiki.ps2dev.org/psp:memory_map:
         *      0×08000000 = 8 MB kernel memory
         *      0×08800000 = 24 MB user memory
         */
        machine->physical_ram_in_mb = 8 + 24;
}


MACHINE_REGISTER(psp)
{
        MR_DEFAULT(psp, "Playstation Portable", ARCH_MIPS, MACHINE_PSP);

        machine_entry_add_alias(me, "psp");

        me->set_default_ram = machine_default_ram_psp;
}

1	/*
2	* Copyright (C) 2005-2006 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_psp.c,v 1.2 2006/06/24 10:19:19 debug Exp $
29	*/
30
31	#include <stdio.h>
32	#include <string.h>
33
34	#include "cpu.h"
35	#include "device.h"
36	#include "devices.h"
37	#include "machine.h"
38	#include "memory.h"
39	#include "misc.h"
40
41
42	MACHINE_SETUP(psp)
43	{
44	struct vfb_data *fb;
45
46	/*
47	* The Playstation Portable seems to be a strange beast.
48	*
49	* http://yun.cup.com/psppg004.html (in Japanese) seems to
50	* suggest that virtual addresses are not displaced by
51	* 0x80000000 as on normal CPUs, but by 0x40000000?
52	*/
53	machine->machine_name = "Playstation Portable";
54	cpu->byte_order = EMUL_LITTLE_ENDIAN;
55
56	if (!machine->use_x11)
57	fprintf(stderr, "-------------------------------------"
58	"------------------------------------------\n"
59	"\n WARNING! You are emulating a PSP without -X. "
60	"You will miss graphical output!\n\n"
61	"-------------------------------------"
62	"------------------------------------------\n");
63
64	/* 480 x 272 pixels framebuffer (512 bytes per line) */
65	fb = dev_fb_init(machine, machine->memory, 0x04000000, VFB_HPC,
66	480,272, 512,1088, -15, "Playstation Portable");
67
68	/*
69	* TODO/NOTE: This is ugly, but necessary since GXemul doesn't
70	* emulate any MIPS CPU without MMU right now.
71	*/
72	mips_coproc_tlb_set_entry(cpu, 0, 104857616, 0x44000000 /vaddr*/,
73	0x4000000, 0x4000000 + 1048576*16, 1,1,1,1,1, 0, 2, 2);
74	mips_coproc_tlb_set_entry(cpu, 1, 104857616, 0x8000000 /vaddr*/,
75	0x0, 0x0 + 1048576*16, 1,1,1,1,1, 0, 2, 2);
76	mips_coproc_tlb_set_entry(cpu, 2, 1048576*16,
77	0x9000000 /vaddr/, 0x01000000, 0x01000000 + 1048576*16,
78	1,1,1,1,1, 0, 2, 2);
79	mips_coproc_tlb_set_entry(cpu, 3, 1048576*16,
80	0x0 /vaddr/, 0, 0 + 1048576*16, 1,1,1,1,1, 0, 2, 2);
81
82	cpu->cd.mips.gpr[MIPS_GPR_SP] = 0xfff0;
83	}
84
85
86	MACHINE_DEFAULT_CPU(psp)
87	{
88	machine->cpu_name = strdup("Allegrex");
89	}
90
91
92	MACHINE_DEFAULT_RAM(psp)
93	{
94	/*
95	* According to
96	* http://wiki.ps2dev.org/psp:memory_map:
97	* 0×08000000 = 8 MB kernel memory
98	* 0×08800000 = 24 MB user memory
99	*/
100	machine->physical_ram_in_mb = 8 + 24;
101	}
102
103
104	MACHINE_REGISTER(psp)
105	{
106	MR_DEFAULT(psp, "Playstation Portable", ARCH_MIPS, MACHINE_PSP);
107
108	machine_entry_add_alias(me, "psp");
109
110	me->set_default_ram = machine_default_ram_psp;
111	}
112