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1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
3fd725ef | 7 | the Free Software Foundation; either version 3 of the License, or |
c906108c SS |
8 | (at your option) any later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
51b318de | 16 | along with this program; if not, see <http://www.gnu.org/licenses/>. |
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17 | |
18 | */ | |
19 | ||
20 | ||
21 | #ifndef _PSIM_H_ | |
22 | #define _PSIM_H_ | |
23 | ||
24 | #include "basics.h" | |
25 | ||
26 | ||
27 | /* the system object */ | |
28 | /* typedef struct _psim psim; */ | |
29 | /* typedef struct _device device; */ | |
30 | ||
31 | /* when the `system' stops, find out why. FIXME - at this point this | |
32 | is really a bit puzzling. After all, how can there be a status | |
33 | when there several processors involved */ | |
34 | ||
35 | typedef struct _psim_status { | |
36 | int cpu_nr; | |
37 | stop_reason reason; | |
38 | int signal; | |
39 | unsigned_word program_counter; | |
40 | } psim_status; | |
41 | ||
42 | ||
43 | /* create an initial device tree and then populate it using | |
44 | information obtained from either the command line or a file */ | |
45 | ||
46 | extern device *psim_tree | |
47 | (void); | |
48 | ||
49 | extern char **psim_options | |
50 | (device *root, | |
51 | char **argv); | |
52 | ||
53 | extern void psim_command | |
54 | (device *root, | |
55 | char **argv); | |
56 | ||
57 | ||
58 | extern void psim_merge_device_file | |
59 | (device *root, | |
60 | const char *file_name); | |
61 | ||
62 | extern void psim_usage | |
6efef468 | 63 | (int verbose, int help); |
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64 | |
65 | ||
66 | /* create a new simulator from the device tree */ | |
67 | ||
68 | extern psim *psim_create | |
69 | (const char *file_name, | |
70 | device *root); | |
71 | ||
72 | ||
73 | /* Given the created simulator (re) initialize it */ | |
74 | ||
75 | extern void psim_init | |
76 | (psim *system); | |
77 | ||
78 | extern void psim_stack | |
79 | (psim *system, | |
80 | char **argv, | |
81 | char **envp); | |
82 | ||
83 | ||
84 | /* Run/stop the system */ | |
85 | ||
86 | extern void psim_step | |
87 | (psim *system); | |
88 | ||
89 | extern void psim_run | |
90 | (psim *system); | |
91 | ||
92 | extern void psim_restart | |
93 | (psim *system, | |
94 | int cpu_nr); | |
95 | ||
96 | extern void psim_set_halt_and_restart | |
97 | (psim *system, | |
98 | void *halt_jmp_buf, | |
99 | void *restart_jmp_buf); | |
100 | ||
101 | extern void psim_clear_halt_and_restart | |
102 | (psim *system); | |
103 | ||
104 | extern void psim_stop | |
105 | (psim *system); | |
106 | ||
107 | extern void psim_halt | |
108 | (psim *system, | |
109 | int cpu_nr, | |
110 | stop_reason reason, | |
111 | int signal); | |
112 | ||
113 | extern int psim_last_cpu | |
114 | (psim *system); | |
115 | ||
116 | extern int psim_nr_cpus | |
117 | (psim *system); | |
118 | ||
119 | ||
120 | extern psim_status psim_get_status | |
121 | (psim *system); | |
122 | ||
123 | ||
124 | /* reveal the internals of the simulation. Grant access to the | |
125 | processor (cpu) device tree (device) and events (event_queue). */ | |
126 | ||
127 | extern cpu *psim_cpu | |
128 | (psim *system, | |
129 | int cpu_nr); | |
130 | ||
131 | extern device *psim_device | |
132 | (psim *system, | |
133 | const char *path); | |
134 | ||
135 | extern event_queue *psim_event_queue | |
136 | (psim *system); | |
137 | ||
138 | ||
139 | ||
601cecf0 | 140 | /* Manipulate the state (registers or memory) of a processor within |
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141 | the system. In the case of memory, the read/write is performed |
142 | using the specified processors address translation tables. | |
143 | ||
144 | Where applicable, WHICH_CPU == -1 indicates all processors and | |
601cecf0 | 145 | WHICH_CPU == <nr_cpus> indicates the `current' processor. |
c906108c | 146 | |
601cecf0 AC |
147 | The register functions return the size of the register, or 0 if the |
148 | register's name is not recognized. */ | |
149 | ||
150 | extern int psim_read_register | |
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151 | (psim *system, |
152 | int which_cpu, | |
153 | void *host_ordered_buf, | |
154 | const char reg[], | |
155 | transfer_mode mode); | |
156 | ||
601cecf0 | 157 | extern int psim_write_register |
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158 | (psim *system, |
159 | int which_cpu, | |
160 | const void *buf, | |
161 | const char reg[], | |
162 | transfer_mode mode); | |
163 | ||
164 | extern unsigned psim_read_memory | |
165 | (psim *system, | |
166 | int which_cpu, | |
167 | void *buf, | |
168 | unsigned_word vaddr, | |
169 | unsigned len); | |
170 | ||
171 | extern unsigned psim_write_memory | |
172 | (psim *system, | |
173 | int which_cpu, | |
174 | const void *buf, | |
175 | unsigned_word vaddr, | |
176 | unsigned len, | |
177 | int violate_read_only_section); | |
178 | ||
179 | extern void psim_print_info | |
180 | (psim *system, | |
181 | int verbose); | |
182 | ||
183 | #endif /* _PSIM_H_ */ |