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/* |
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* Copyright (C) 2005-2006 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: machine_psp.c,v 1.2 2006/06/24 10:19:19 debug Exp $ |
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*/ |
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|
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#include <stdio.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 "devices.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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MACHINE_SETUP(psp) |
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{ |
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struct vfb_data *fb; |
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|
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/* |
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* The Playstation Portable seems to be a strange beast. |
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* |
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* http://yun.cup.com/psppg004.html (in Japanese) seems to |
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* suggest that virtual addresses are not displaced by |
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* 0x80000000 as on normal CPUs, but by 0x40000000? |
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*/ |
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machine->machine_name = "Playstation Portable"; |
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cpu->byte_order = EMUL_LITTLE_ENDIAN; |
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|
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if (!machine->use_x11) |
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fprintf(stderr, "-------------------------------------" |
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"------------------------------------------\n" |
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"\n WARNING! You are emulating a PSP without -X. " |
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"You will miss graphical output!\n\n" |
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"-------------------------------------" |
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"------------------------------------------\n"); |
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|
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/* 480 x 272 pixels framebuffer (512 bytes per line) */ |
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fb = dev_fb_init(machine, machine->memory, 0x04000000, VFB_HPC, |
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480,272, 512,1088, -15, "Playstation Portable"); |
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|
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/* |
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* TODO/NOTE: This is ugly, but necessary since GXemul doesn't |
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* emulate any MIPS CPU without MMU right now. |
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*/ |
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mips_coproc_tlb_set_entry(cpu, 0, 1048576*16, 0x44000000 /*vaddr*/, |
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0x4000000, 0x4000000 + 1048576*16, 1,1,1,1,1, 0, 2, 2); |
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mips_coproc_tlb_set_entry(cpu, 1, 1048576*16, 0x8000000 /*vaddr*/, |
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0x0, 0x0 + 1048576*16, 1,1,1,1,1, 0, 2, 2); |
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mips_coproc_tlb_set_entry(cpu, 2, 1048576*16, |
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0x9000000 /*vaddr*/, 0x01000000, 0x01000000 + 1048576*16, |
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1,1,1,1,1, 0, 2, 2); |
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mips_coproc_tlb_set_entry(cpu, 3, 1048576*16, |
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0x0 /*vaddr*/, 0, 0 + 1048576*16, 1,1,1,1,1, 0, 2, 2); |
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|
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cpu->cd.mips.gpr[MIPS_GPR_SP] = 0xfff0; |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(psp) |
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{ |
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machine->cpu_name = strdup("Allegrex"); |
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} |
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|
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|
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MACHINE_DEFAULT_RAM(psp) |
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{ |
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/* |
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* According to |
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* http://wiki.ps2dev.org/psp:memory_map: |
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* 0×08000000 = 8 MB kernel memory |
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* 0×08800000 = 24 MB user memory |
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*/ |
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machine->physical_ram_in_mb = 8 + 24; |
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} |
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|
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|
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MACHINE_REGISTER(psp) |
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{ |
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MR_DEFAULT(psp, "Playstation Portable", ARCH_MIPS, MACHINE_PSP); |
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|
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machine_entry_add_alias(me, "psp"); |
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|
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me->set_default_ram = machine_default_ram_psp; |
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} |
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|