root / cpu-defs.h @ 95ea3fa1
History | View | Annotate | Download (2.9 kB)
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> |
25 |
#include <inttypes.h> |
26 |
#include "osdep.h" |
27 |
|
28 |
#ifndef TARGET_LONG_BITS
|
29 |
#error TARGET_LONG_BITS must be defined before including this header
|
30 |
#endif
|
31 |
|
32 |
#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
|
33 |
#define HOST_LONG_BITS 64 |
34 |
#else
|
35 |
#define HOST_LONG_BITS 32 |
36 |
#endif
|
37 |
|
38 |
#ifndef TARGET_PHYS_ADDR_BITS
|
39 |
#if TARGET_LONG_BITS >= HOST_LONG_BITS
|
40 |
#define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS
|
41 |
#else
|
42 |
#define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS
|
43 |
#endif
|
44 |
#endif
|
45 |
|
46 |
#define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8) |
47 |
|
48 |
/* target_ulong is the type of a virtual address */
|
49 |
#if TARGET_LONG_SIZE == 4 |
50 |
typedef int32_t target_long;
|
51 |
typedef uint32_t target_ulong;
|
52 |
#elif TARGET_LONG_SIZE == 8 |
53 |
typedef int64_t target_long;
|
54 |
typedef uint64_t target_ulong;
|
55 |
#else
|
56 |
#error TARGET_LONG_SIZE undefined
|
57 |
#endif
|
58 |
|
59 |
/* target_phys_addr_t is the type of a physical address (its size can
|
60 |
be different from 'target_ulong'). We have sizeof(target_phys_addr)
|
61 |
= max(sizeof(unsigned long),
|
62 |
sizeof(size_of_target_physical_address)) because we must pass a
|
63 |
host pointer to memory operations in some cases */
|
64 |
|
65 |
#if TARGET_PHYS_ADDR_BITS == 32 |
66 |
typedef uint32_t target_phys_addr_t;
|
67 |
#elif TARGET_PHYS_ADDR_BITS == 64 |
68 |
typedef uint64_t target_phys_addr_t;
|
69 |
#else
|
70 |
#error TARGET_PHYS_ADDR_BITS undefined
|
71 |
#endif
|
72 |
|
73 |
#define HOST_LONG_SIZE (HOST_LONG_BITS / 8) |
74 |
|
75 |
#define EXCP_INTERRUPT 256 /* async interruption */ |
76 |
#define EXCP_HLT 257 /* hlt instruction reached */ |
77 |
#define EXCP_DEBUG 258 /* cpu stopped after a breakpoint or singlestep */ |
78 |
|
79 |
#define MAX_BREAKPOINTS 32 |
80 |
|
81 |
#define CPU_TLB_SIZE 256 |
82 |
|
83 |
typedef struct CPUTLBEntry { |
84 |
/* bit 31 to TARGET_PAGE_BITS : virtual address
|
85 |
bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io
|
86 |
zone number
|
87 |
bit 3 : indicates that the entry is invalid
|
88 |
bit 2..0 : zero
|
89 |
*/
|
90 |
target_ulong address; |
91 |
/* addend to virtual address to get physical address */
|
92 |
target_phys_addr_t addend; |
93 |
} CPUTLBEntry; |
94 |
|
95 |
#endif
|