| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Xodnizel |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <stdlib.h> |
| 22 | |
| 23 | #include "types.h" |
| 24 | #include "fce.h" |
| 25 | #include "memory.h" |
| 26 | #include "general.h" |
| 27 | #include "svga.h" |
| 28 | |
| 29 | void *FCEU_gmalloc(uint32 size) |
| 30 | { |
| 31 | void *ret; |
| 32 | ret=malloc(size); |
| 33 | if(!ret) |
| 34 | { |
| 35 | FCEU_PrintError("Error allocating memory! Doing a hard exit."); |
| 36 | exit(1); |
| 37 | } |
| 38 | return ret; |
| 39 | } |
| 40 | |
| 41 | void *FCEU_malloc(uint32 size) |
| 42 | { |
| 43 | void *ret; |
| 44 | ret=malloc(size); |
| 45 | if(!ret) |
| 46 | { |
| 47 | FCEU_PrintError("Error allocating memory!"); |
| 48 | return(0); |
| 49 | } |
| 50 | return ret; |
| 51 | } |
| 52 | |
| 53 | void FCEU_free(void *ptr) // Might do something with this and FCEU_malloc later... |
| 54 | { |
| 55 | free(ptr); |
| 56 | } |
| 57 | |
| 58 | void FCEU_gfree(void *ptr) |
| 59 | { |
| 60 | free(ptr); |
| 61 | } |
| 62 | |
| 63 | void FASTAPASS(3) FCEU_memmove(void *d, void *s, uint32 l) |
| 64 | { |
| 65 | uint32 x; |
| 66 | int t; |
| 67 | |
| 68 | /* Type really doesn't matter. */ |
| 69 | t=(int)d; |
| 70 | t|=(int)s; |
| 71 | t|=(int)l; |
| 72 | |
| 73 | if(t&3) // Not 4-byte aligned and/or length is not a multiple of 4. |
| 74 | { |
| 75 | uint8 *tmpd, *tmps; |
| 76 | |
| 77 | tmpd = d; |
| 78 | tmps = s; |
| 79 | |
| 80 | for(x=l;x;x--) // This could be optimized further, though(more tests could be performed). |
| 81 | { |
| 82 | *tmpd=*tmps; |
| 83 | tmpd++; |
| 84 | tmps++; |
| 85 | } |
| 86 | } |
| 87 | else |
| 88 | { |
| 89 | uint32 *tmpd, *tmps; |
| 90 | |
| 91 | tmpd = d; |
| 92 | tmps = s; |
| 93 | |
| 94 | for(x=l>>2;x;x--) |
| 95 | { |
| 96 | *tmpd=*tmps; |
| 97 | tmpd++; |
| 98 | tmps++; |
| 99 | } |
| 100 | } |
| 101 | } |