source/mupen64plus-core/src/r4300/reset.c

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus - reset.c                                                 *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2011 CasualJames                                        *
   5  *   Copyright (C) 2008-2009 Richard Goedeken                              *
   6  *   Copyright (C) 2008 Ebenblues Nmn Okaygo Tillin9                       *
   7  *   Hard reset based on code by hacktarux.                                *
   8  *                                                                         *
   9  *   This program is free software; you can redistribute it and/or modify  *
  10  *   it under the terms of the GNU General Public License as published by  *
  11  *   the Free Software Foundation; either version 2 of the License, or     *
  12  *   (at your option) any later version.                                   *
  13  *                                                                         *
  14  *   This program is distributed in the hope that it will be useful,       *
  15  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  16  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  17  *   GNU General Public License for more details.                          *
  18  *                                                                         *
  19  *   You should have received a copy of the GNU General Public License     *
  20  *   along with this program; if not, write to the                         *
  21  *   Free Software Foundation, Inc.,                                       *
  22  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  23  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  24
  25 #include "r4300/reset.h"
  26 #include "r4300/r4300.h"
  27 #include "r4300/interupt.h"
  28 #include "memory/memory.h"
  29
  30 int reset_hard_job = 0;
  31
  32 void reset_hard(void)
  33 {
  34     init_memory(0);
  35     r4300_reset_hard();
  36     r4300_reset_soft();
  37     last_addr = 0xa4000040;
  38     next_interupt = 624999;
  39     init_interupt();
  40     if(r4300emu != CORE_PURE_INTERPRETER)
  41     {
  42         /* TODO
  43          * The following code *should* work and avoid free_blocks() and init_blocks(),
  44          * but it doesn't unless the last line is added (which causes a memory leak).
  45         int i;
  46         for (i=0; i<0x100000; i++)
  47             invalid_code[i] = 1;
  48         blocks[0xa4000000>>12]->block = NULL; */
  49         free_blocks();
  50         init_blocks();
  51     }
  52     generic_jump_to(last_addr);
  53 }
  54
  55 void reset_soft(void)
  56 {
  57     add_interupt_event(HW2_INT, 0);  /* Hardware 2 Interrupt immediately */
  58     add_interupt_event(NMI_INT, 50000000);  /* Non maskable Interrupt after 1/2 second */
  59 }