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1/*
2 * common defines for all CPUs
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
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.
10 *
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.
15 *
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
19 */
20#ifndef CPU_DEFS_H
21#define CPU_DEFS_H
22
23#include "config.h"
24#include <setjmp.h>
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25#include <inttypes.h>
26#include "osdep.h"
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28#ifndef TARGET_LONG_BITS
29#error TARGET_LONG_BITS must be defined before including this header
30#endif
31
32#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8)
33
34#if TARGET_LONG_SIZE == 4
35typedef int32_t target_long;
36typedef uint32_t target_ulong;
37#elif TARGET_LONG_SIZE == 8
38typedef int64_t target_long;
39typedef uint64_t target_ulong;
40#else
41#error TARGET_LONG_SIZE undefined
42#endif
43
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44#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
45#define HOST_LONG_BITS 64
46#else
47#define HOST_LONG_BITS 32
48#endif
49
50#define HOST_LONG_SIZE (HOST_LONG_BITS / 8)
51
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52#define EXCP_INTERRUPT 256 /* async interruption */
53#define EXCP_HLT 257 /* hlt instruction reached */
54#define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */
55
56#define MAX_BREAKPOINTS 32
57
58#define CPU_TLB_SIZE 256
59
60typedef struct CPUTLBEntry {
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61 /* bit 31 to TARGET_PAGE_BITS : virtual address
62 bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
63 zone number
64 bit 3 : indicates that the entry is invalid
65 bit 2..0 : zero
66 */
67 uint32_t address;
68 /* addend to virtual address to get physical address */
69 uint32_t addend;
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70} CPUTLBEntry;
71
72#endif