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ab93bbe2 FB |
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> | |
ed1c0bcb FB |
25 | #include <inttypes.h> |
26 | #include "osdep.h" | |
ab93bbe2 | 27 | |
35b66fc4 FB |
28 | #ifndef TARGET_LONG_BITS |
29 | #error TARGET_LONG_BITS must be defined before including this header | |
30 | #endif | |
31 | ||
ab6d960f | 32 | #ifndef TARGET_PHYS_ADDR_BITS |
4f2ac237 | 33 | #if TARGET_LONG_BITS >= HOST_LONG_BITS |
ab6d960f | 34 | #define TARGET_PHYS_ADDR_BITS TARGET_LONG_BITS |
4f2ac237 FB |
35 | #else |
36 | #define TARGET_PHYS_ADDR_BITS HOST_LONG_BITS | |
37 | #endif | |
ab6d960f FB |
38 | #endif |
39 | ||
35b66fc4 FB |
40 | #define TARGET_LONG_SIZE (TARGET_LONG_BITS / 8) |
41 | ||
ab6d960f | 42 | /* target_ulong is the type of a virtual address */ |
35b66fc4 FB |
43 | #if TARGET_LONG_SIZE == 4 |
44 | typedef int32_t target_long; | |
45 | typedef uint32_t target_ulong; | |
c27004ec | 46 | #define TARGET_FMT_lx "%08x" |
35b66fc4 FB |
47 | #elif TARGET_LONG_SIZE == 8 |
48 | typedef int64_t target_long; | |
49 | typedef uint64_t target_ulong; | |
c27004ec | 50 | #define TARGET_FMT_lx "%016llx" |
35b66fc4 FB |
51 | #else |
52 | #error TARGET_LONG_SIZE undefined | |
53 | #endif | |
54 | ||
ab6d960f | 55 | /* target_phys_addr_t is the type of a physical address (its size can |
4f2ac237 FB |
56 | be different from 'target_ulong'). We have sizeof(target_phys_addr) |
57 | = max(sizeof(unsigned long), | |
58 | sizeof(size_of_target_physical_address)) because we must pass a | |
59 | host pointer to memory operations in some cases */ | |
60 | ||
ab6d960f FB |
61 | #if TARGET_PHYS_ADDR_BITS == 32 |
62 | typedef uint32_t target_phys_addr_t; | |
63 | #elif TARGET_PHYS_ADDR_BITS == 64 | |
64 | typedef uint64_t target_phys_addr_t; | |
65 | #else | |
66 | #error TARGET_PHYS_ADDR_BITS undefined | |
67 | #endif | |
68 | ||
ff7b8f5b FB |
69 | /* address in the RAM (different from a physical address) */ |
70 | typedef unsigned long ram_addr_t; | |
71 | ||
f193c797 FB |
72 | #define HOST_LONG_SIZE (HOST_LONG_BITS / 8) |
73 | ||
2be0071f FB |
74 | #define EXCP_INTERRUPT 0x10000 /* async interruption */ |
75 | #define EXCP_HLT 0x10001 /* hlt instruction reached */ | |
76 | #define EXCP_DEBUG 0x10002 /* cpu stopped after a breakpoint or singlestep */ | |
ab93bbe2 FB |
77 | |
78 | #define MAX_BREAKPOINTS 32 | |
79 | ||
80 | #define CPU_TLB_SIZE 256 | |
81 | ||
82 | typedef struct CPUTLBEntry { | |
db8d7466 FB |
83 | /* bit 31 to TARGET_PAGE_BITS : virtual address |
84 | bit TARGET_PAGE_BITS-1..IO_MEM_SHIFT : if non zero, memory io | |
85 | zone number | |
86 | bit 3 : indicates that the entry is invalid | |
87 | bit 2..0 : zero | |
88 | */ | |
4f2ac237 | 89 | target_ulong address; |
db8d7466 | 90 | /* addend to virtual address to get physical address */ |
4f2ac237 | 91 | target_phys_addr_t addend; |
ab93bbe2 FB |
92 | } CPUTLBEntry; |
93 | ||
94 | #endif |