1 /* This file is part of the program psim.
3 Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
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
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
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.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, see <http://www.gnu.org/licenses/>.
27 /* the system object */
28 /* typedef struct _psim psim; */
29 /* typedef struct _device device; */
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 */
35 typedef struct _psim_status
{
39 unsigned_word program_counter
;
43 /* create an initial device tree and then populate it using
44 information obtained from either the command line or a file */
46 extern device
*psim_tree
49 extern char **psim_options
53 extern void psim_command
58 extern void psim_merge_device_file
60 const char *file_name
);
62 extern void psim_usage
63 (int verbose
, int help
);
66 /* create a new simulator from the device tree */
68 extern psim
*psim_create
69 (const char *file_name
,
73 /* Given the created simulator (re) initialize it */
78 extern void psim_stack
84 /* Run/stop the system */
92 extern void psim_restart
96 extern void psim_set_halt_and_restart
99 void *restart_jmp_buf
);
101 extern void psim_clear_halt_and_restart
104 extern void psim_stop
107 extern void psim_halt
113 extern int psim_last_cpu
116 extern int psim_nr_cpus
120 extern psim_status psim_get_status
124 /* reveal the internals of the simulation. Grant access to the
125 processor (cpu) device tree (device) and events (event_queue). */
131 extern device
*psim_device
135 extern event_queue
*psim_event_queue
140 /* Manipulate the state (registers or memory) of a processor within
141 the system. In the case of memory, the read/write is performed
142 using the specified processors address translation tables.
144 Where applicable, WHICH_CPU == -1 indicates all processors and
145 WHICH_CPU == <nr_cpus> indicates the `current' processor.
147 The register functions return the size of the register, or 0 if the
148 register's name is not recognized. */
150 extern int psim_read_register
153 void *host_ordered_buf
,
157 extern int psim_write_register
164 extern unsigned psim_read_memory
171 extern unsigned psim_write_memory
177 int violate_read_only_section
);
179 extern void psim_print_info
183 #endif /* _PSIM_H_ */