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	dpavlin	22	/*
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	dpavlin	26	* $Id: machine_psp.c,v 1.2 2006/06/24 10:19:19 debug Exp $
29	dpavlin	22	*/
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	dpavlin	26	MR_DEFAULT(psp, "Playstation Portable", ARCH_MIPS, MACHINE_PSP);
107
108			machine_entry_add_alias(me, "psp");
109
110	dpavlin	22	me->set_default_ram = machine_default_ram_psp;
111			}
112