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1 | /* |
2 | * ARM virtual CPU header | |
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_ARM_H | |
21 | #define CPU_ARM_H | |
22 | ||
3cf1e035 FB |
23 | #define TARGET_LONG_BITS 32 |
24 | ||
2c0262af FB |
25 | #include "cpu-defs.h" |
26 | ||
b8a9e8f1 FB |
27 | #define EXCP_UDEF 1 /* undefined instruction */ |
28 | #define EXCP_SWI 2 /* software interrupt */ | |
29 | #define EXCP_PREFETCH_ABORT 3 | |
30 | #define EXCP_DATA_ABORT 4 | |
2c0262af FB |
31 | |
32 | typedef struct CPUARMState { | |
33 | uint32_t regs[16]; | |
34 | uint32_t cpsr; | |
35 | ||
36 | /* cpsr flag cache for faster execution */ | |
37 | uint32_t CF; /* 0 or 1 */ | |
38 | uint32_t VF; /* V is the bit 31. All other bits are undefined */ | |
39 | uint32_t NZF; /* N is bit 31. Z is computed from NZF */ | |
99c475ab FB |
40 | uint32_t QF; /* 0 or 1 */ |
41 | ||
42 | int thumb; /* 0 = arm mode, 1 = thumb mode */ | |
2c0262af | 43 | |
b8a9e8f1 FB |
44 | /* coprocessor 15 (MMU) status */ |
45 | uint32_t cp15_6; | |
46 | ||
2c0262af FB |
47 | /* exception/interrupt handling */ |
48 | jmp_buf jmp_env; | |
49 | int exception_index; | |
50 | int interrupt_request; | |
51 | struct TranslationBlock *current_tb; | |
52 | int user_mode_only; | |
53 | ||
d720b93d FB |
54 | /* in order to avoid passing too many arguments to the memory |
55 | write helpers, we store some rarely used information in the CPU | |
56 | context) */ | |
57 | unsigned long mem_write_pc; /* host pc at which the memory was | |
58 | written */ | |
59 | unsigned long mem_write_vaddr; /* target virtual addr at which the | |
60 | memory was written */ | |
2c0262af FB |
61 | /* user data */ |
62 | void *opaque; | |
63 | } CPUARMState; | |
64 | ||
65 | CPUARMState *cpu_arm_init(void); | |
66 | int cpu_arm_exec(CPUARMState *s); | |
67 | void cpu_arm_close(CPUARMState *s); | |
68 | /* you can call this signal handler from your SIGBUS and SIGSEGV | |
69 | signal handlers to inform the virtual CPU of exceptions. non zero | |
70 | is returned if the signal was handled by the virtual CPU. */ | |
71 | struct siginfo; | |
72 | int cpu_arm_signal_handler(int host_signum, struct siginfo *info, | |
73 | void *puc); | |
74 | ||
2c0262af FB |
75 | #define TARGET_PAGE_BITS 12 |
76 | #include "cpu-all.h" | |
77 | ||
78 | #endif |