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4f35cbff MM |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1995, 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 | |
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> | |
23 | #include <stdlib.h> | |
24 | #include <stdio.h> | |
25 | #include <string.h> | |
26 | ||
27 | #include "psim.h" | |
28 | ||
29 | extern char **environ; | |
30 | extern char *optarg; | |
31 | extern int optind; | |
32 | extern int optopt; | |
33 | extern int opterr; | |
34 | ||
35 | void | |
d8d46596 | 36 | printf_filtered(const char *msg, ...) |
4f35cbff MM |
37 | { |
38 | va_list ap; | |
39 | va_start(ap, msg); | |
40 | vprintf(msg, ap); | |
41 | } | |
42 | ||
43 | void | |
44 | error (char *msg, ...) | |
45 | { | |
46 | va_list ap; | |
47 | va_start(ap, msg); | |
48 | vprintf(msg, ap); | |
49 | exit (1); | |
50 | } | |
51 | ||
52 | void * | |
53 | zalloc(long size) | |
54 | { | |
55 | void *memory = malloc(size); | |
56 | if (memory == NULL) | |
57 | error("zmalloc failed\n"); | |
58 | bzero(memory, size); | |
59 | return memory; | |
60 | } | |
61 | ||
62 | void | |
63 | zfree(void *chunk) | |
64 | { | |
65 | free(chunk); | |
66 | } | |
67 | ||
68 | static void | |
69 | usage(void) | |
70 | { | |
d8d46596 | 71 | error ("Usage: psim [ -a -p -c -C -s -i -t ] <image> [ <image-args> ... ]\n"); |
4f35cbff MM |
72 | } |
73 | ||
74 | int | |
75 | main(int argc, char **argv) | |
76 | { | |
77 | psim *system; | |
4f35cbff MM |
78 | const char *name_of_file; |
79 | char *arg_; | |
80 | unsigned_word stack_pointer; | |
81 | psim_status status; | |
82 | int letter; | |
d8d46596 | 83 | int i; |
4f35cbff MM |
84 | |
85 | /* check for arguments - FIXME use getopt */ | |
d8d46596 | 86 | while ((letter = getopt (argc, argv, "acCipst")) != EOF) |
4f35cbff | 87 | { |
d8d46596 MM |
88 | switch (letter) { |
89 | case 'a': | |
90 | for (i = 0; i < nr_trace; i++) | |
91 | trace[i] = 1; | |
92 | break; | |
4f35cbff MM |
93 | case 'p': |
94 | trace[trace_cpu] = trace[trace_semantics] = 1; | |
95 | break; | |
96 | case 'c': | |
97 | trace[trace_core] = 1; | |
98 | break; | |
d8d46596 MM |
99 | case 'C': |
100 | trace[trace_console_device] = 1; | |
101 | break; | |
4f35cbff MM |
102 | case 's': |
103 | trace[trace_create_stack] = 1; | |
104 | break; | |
105 | case 'i': | |
106 | trace[trace_icu_device] = 1; | |
107 | break; | |
108 | case 't': | |
109 | trace[trace_device_tree] = 1; | |
110 | break; | |
111 | default: | |
112 | usage(); | |
113 | } | |
114 | } | |
115 | ||
d8d46596 | 116 | if (optind >= argc) |
4f35cbff | 117 | usage(); |
d8d46596 | 118 | name_of_file = argv[optind]; |
4f35cbff MM |
119 | |
120 | /* create the simulator */ | |
121 | system = psim_create(name_of_file, ((WITH_SMP > 0) ? WITH_SMP : 1)); | |
122 | ||
123 | /* fudge the environment so that _=prog-name */ | |
d8d46596 | 124 | arg_ = (char*)zalloc(strlen(argv[optind]) + strlen("_=") + 1); |
4f35cbff | 125 | strcpy(arg_, "_="); |
d8d46596 | 126 | strcat(arg_, argv[optind]); |
4f35cbff MM |
127 | putenv(arg_); |
128 | ||
129 | /* initialize it */ | |
130 | psim_load(system); | |
d8d46596 | 131 | psim_stack(system, &argv[optind], environ); |
4f35cbff MM |
132 | |
133 | psim_run(system); | |
134 | ||
135 | /* why did we stop */ | |
136 | status = psim_get_status(system); | |
137 | switch (status.reason) { | |
138 | case was_continuing: | |
139 | error("psim: continuing while stoped!\n"); | |
140 | return 0; | |
141 | case was_trap: | |
142 | error("psim: no trap insn\n"); | |
143 | return 0; | |
144 | case was_exited: | |
145 | return status.signal; | |
146 | case was_signalled: | |
147 | return status.signal; | |
148 | default: | |
149 | error("unknown halt condition\n"); | |
150 | return 0; | |
151 | } | |
152 | } |