Commit | Line | Data |
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4f35cbff MM |
1 | /* This file is part of the program psim. |
2 | ||
262faa54 | 3 | Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> |
4f35cbff MM |
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 | |
7 | the Free Software Foundation; either version 2 of the License, or | |
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 | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | ||
22 | #include <stdarg.h> | |
4f35cbff | 23 | #include <stdio.h> |
4f35cbff MM |
24 | |
25 | #include "psim.h" | |
28816f45 | 26 | #include "options.h" |
262faa54 | 27 | #include "device.h" /* FIXME: psim should provide the interface */ |
4f35cbff | 28 | |
c494cadd MM |
29 | #ifdef HAVE_STDLIB_H |
30 | #include <stdlib.h> | |
31 | #endif | |
32 | ||
73c4941b MM |
33 | #ifdef HAVE_UNISTD_H |
34 | #include <unistd.h> | |
35 | #endif | |
36 | ||
c494cadd MM |
37 | #ifdef HAVE_STRING_H |
38 | #include <string.h> | |
39 | #else | |
40 | #ifdef HAVE_STRINGS_H | |
41 | #include <strings.h> | |
42 | #endif | |
43 | #endif | |
44 | ||
4f35cbff | 45 | extern char **environ; |
4f35cbff MM |
46 | |
47 | void | |
d8d46596 | 48 | printf_filtered(const char *msg, ...) |
4f35cbff MM |
49 | { |
50 | va_list ap; | |
51 | va_start(ap, msg); | |
52 | vprintf(msg, ap); | |
22ddef46 | 53 | va_end(ap); |
4f35cbff MM |
54 | } |
55 | ||
262faa54 MM |
56 | void |
57 | flush_stdoutput(void) | |
58 | { | |
59 | fflush (stdout); | |
60 | } | |
61 | ||
4f35cbff MM |
62 | void |
63 | error (char *msg, ...) | |
64 | { | |
65 | va_list ap; | |
66 | va_start(ap, msg); | |
67 | vprintf(msg, ap); | |
22ddef46 | 68 | va_end(ap); |
4f35cbff MM |
69 | exit (1); |
70 | } | |
71 | ||
72 | void * | |
73 | zalloc(long size) | |
74 | { | |
75 | void *memory = malloc(size); | |
76 | if (memory == NULL) | |
77 | error("zmalloc failed\n"); | |
1dc7c0ed | 78 | memset(memory, 0, size); |
4f35cbff MM |
79 | return memory; |
80 | } | |
81 | ||
82 | void | |
83 | zfree(void *chunk) | |
84 | { | |
85 | free(chunk); | |
86 | } | |
87 | ||
4f35cbff MM |
88 | int |
89 | main(int argc, char **argv) | |
90 | { | |
91 | psim *system; | |
4f35cbff MM |
92 | const char *name_of_file; |
93 | char *arg_; | |
4f35cbff | 94 | psim_status status; |
262faa54 MM |
95 | device *root = psim_tree(); |
96 | ||
97 | /* parse the arguments */ | |
98 | argv = psim_options(root, argv + 1); | |
99 | if (argv[0] == NULL) | |
100 | psim_usage(0); | |
101 | name_of_file = argv[0]; | |
4f35cbff | 102 | |
28816f45 MM |
103 | if (ppc_trace[trace_opts]) |
104 | print_options (); | |
105 | ||
4f35cbff | 106 | /* create the simulator */ |
262faa54 | 107 | system = psim_create(name_of_file, root); |
4f35cbff MM |
108 | |
109 | /* fudge the environment so that _=prog-name */ | |
262faa54 | 110 | arg_ = (char*)zalloc(strlen(argv[0]) + strlen("_=") + 1); |
4f35cbff | 111 | strcpy(arg_, "_="); |
262faa54 | 112 | strcat(arg_, argv[0]); |
4f35cbff MM |
113 | putenv(arg_); |
114 | ||
115 | /* initialize it */ | |
22ddef46 | 116 | psim_init(system); |
262faa54 | 117 | psim_stack(system, argv, environ); |
4f35cbff MM |
118 | |
119 | psim_run(system); | |
120 | ||
22ddef46 | 121 | /* any final clean up */ |
262faa54 MM |
122 | if (ppc_trace[trace_print_info]) |
123 | psim_print_info (system, ppc_trace[trace_print_info]); | |
83d96c6e | 124 | |
4f35cbff MM |
125 | /* why did we stop */ |
126 | status = psim_get_status(system); | |
127 | switch (status.reason) { | |
128 | case was_continuing: | |
129 | error("psim: continuing while stoped!\n"); | |
130 | return 0; | |
131 | case was_trap: | |
132 | error("psim: no trap insn\n"); | |
133 | return 0; | |
134 | case was_exited: | |
135 | return status.signal; | |
136 | case was_signalled: | |
22ddef46 | 137 | printf ("%s: Caught signal %d at address 0x%lx\n", |
a983c8f0 MM |
138 | name_of_file, (int)status.signal, |
139 | (long)status.program_counter); | |
4f35cbff MM |
140 | return status.signal; |
141 | default: | |
142 | error("unknown halt condition\n"); | |
143 | return 0; | |
144 | } | |
145 | } |