2 * common defines for all CPUs
4 * Copyright (c) 2003 Fabrice Bellard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #ifndef TARGET_LONG_BITS
27 #error TARGET_LONG_BITS must be defined before including this header
30 #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
32 #if TARGET_LONG_SIZE == 4
33 typedef int32_t target_long;
34 typedef uint32_t target_ulong;
35 #elif TARGET_LONG_SIZE == 8
36 typedef int64_t target_long;
37 typedef uint64_t target_ulong;
39 #error TARGET_LONG_SIZE undefined
42 #define EXCP_INTERRUPT 256 /* async interruption */
43 #define EXCP_HLT 257 /* hlt instruction reached */
44 #define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */
46 #define MAX_BREAKPOINTS 32
48 #define CPU_TLB_SIZE 256
50 typedef struct CPUTLBEntry {
51 /* bit 31 to TARGET_PAGE_BITS : virtual address
52 bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
54 bit 3 : indicates that the entry is invalid
58 /* addend to virtual address to get physical address */