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Commit | Line | Data |
---|---|---|
84778508 | 1 | /* |
4c0a4fe6 | 2 | * qemu bsd user main |
84778508 BS |
3 | * |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
4c0a4fe6 | 5 | * Copyright (c) 2013-14 Stacey Son |
84778508 BS |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
8167ee88 | 18 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
84778508 | 19 | */ |
14a48c1d | 20 | |
312a0b1c WL |
21 | #include <sys/types.h> |
22 | #include <sys/time.h> | |
23 | #include <sys/resource.h> | |
24 | #include <sys/sysctl.h> | |
25 | ||
2231197c | 26 | #include "qemu/osdep.h" |
a8d25326 | 27 | #include "qemu-common.h" |
66d26ddb | 28 | #include "qemu/units.h" |
940e43aa | 29 | #include "qemu/accel.h" |
14a48c1d | 30 | #include "sysemu/tcg.h" |
8c1c230a | 31 | #include "qemu-version.h" |
84778508 BS |
32 | #include <machine/trap.h> |
33 | ||
daa76aa4 | 34 | #include "qapi/error.h" |
84778508 | 35 | #include "qemu.h" |
6913e79c | 36 | #include "qemu/config-file.h" |
f5852efa | 37 | #include "qemu/error-report.h" |
f348b6d1 VB |
38 | #include "qemu/path.h" |
39 | #include "qemu/help_option.h" | |
0b8fa32f | 40 | #include "qemu/module.h" |
63c91552 | 41 | #include "exec/exec-all.h" |
dcb32f1d | 42 | #include "tcg/tcg.h" |
1de7afc9 PB |
43 | #include "qemu/timer.h" |
44 | #include "qemu/envlist.h" | |
29aabb4f | 45 | #include "qemu/cutils.h" |
508127e2 | 46 | #include "exec/log.h" |
6913e79c | 47 | #include "trace/control.h" |
03ecf078 WL |
48 | #include "crypto/init.h" |
49 | #include "qemu/guest-random.h" | |
fc0d96b4 | 50 | |
d1dc9ab3 | 51 | #include "host-os.h" |
031fe7af | 52 | #include "target_arch_cpu.h" |
d1dc9ab3 | 53 | |
1b530a6d | 54 | int singlestep; |
5ca870b9 | 55 | uintptr_t guest_base; |
e307c192 | 56 | bool have_guest_base; |
be04f210 WL |
57 | /* |
58 | * When running 32-on-64 we should make sure we can fit all of the possible | |
59 | * guest address space into a contiguous chunk of virtual host memory. | |
60 | * | |
61 | * This way we will never overlap with our own libraries or binaries or stack | |
62 | * or anything else that QEMU maps. | |
63 | * | |
64 | * Many cpus reserve the high bit (or more than one for some 64-bit cpus) | |
65 | * of the address for the kernel. Some cpus rely on this and user space | |
66 | * uses the high bit(s) for pointer tagging and the like. For them, we | |
67 | * must preserve the expected address space. | |
68 | */ | |
69 | #ifndef MAX_RESERVED_VA | |
70 | # if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS | |
71 | # if TARGET_VIRT_ADDR_SPACE_BITS == 32 && \ | |
72 | (TARGET_LONG_BITS == 32 || defined(TARGET_ABI32)) | |
73 | /* | |
74 | * There are a number of places where we assign reserved_va to a variable | |
75 | * of type abi_ulong and expect it to fit. Avoid the last page. | |
76 | */ | |
77 | # define MAX_RESERVED_VA (0xfffffffful & TARGET_PAGE_MASK) | |
78 | # else | |
79 | # define MAX_RESERVED_VA (1ul << TARGET_VIRT_ADDR_SPACE_BITS) | |
80 | # endif | |
81 | # else | |
82 | # define MAX_RESERVED_VA 0 | |
83 | # endif | |
84 | #endif | |
85 | ||
86 | /* | |
87 | * That said, reserving *too* much vm space via mmap can run into problems | |
88 | * with rlimits, oom due to page table creation, etc. We will still try it, | |
89 | * if directed by the command-line option, but not by default. | |
90 | */ | |
91 | #if HOST_LONG_BITS == 64 && TARGET_VIRT_ADDR_SPACE_BITS <= 32 | |
92 | unsigned long reserved_va = MAX_RESERVED_VA; | |
93 | #else | |
d6ef40bf | 94 | unsigned long reserved_va; |
be04f210 | 95 | #endif |
1b530a6d | 96 | |
7ee2822c | 97 | static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; |
fccae322 | 98 | const char *qemu_uname_release; |
01a298a5 | 99 | char qemu_proc_pathname[PATH_MAX]; /* full path to exeutable */ |
84778508 | 100 | |
312a0b1c WL |
101 | unsigned long target_maxtsiz = TARGET_MAXTSIZ; /* max text size */ |
102 | unsigned long target_dfldsiz = TARGET_DFLDSIZ; /* initial data size limit */ | |
103 | unsigned long target_maxdsiz = TARGET_MAXDSIZ; /* max data size */ | |
104 | unsigned long target_dflssiz = TARGET_DFLSSIZ; /* initial data size limit */ | |
105 | unsigned long target_maxssiz = TARGET_MAXSSIZ; /* max stack size */ | |
106 | unsigned long target_sgrowsiz = TARGET_SGROWSIZ; /* amount to grow stack */ | |
84778508 | 107 | |
63cca106 | 108 | /* Helper routines for implementing atomic operations. */ |
9399f095 | 109 | |
9399f095 BS |
110 | void fork_start(void) |
111 | { | |
63cca106 WL |
112 | start_exclusive(); |
113 | cpu_list_lock(); | |
114 | mmap_fork_start(); | |
9399f095 BS |
115 | } |
116 | ||
117 | void fork_end(int child) | |
118 | { | |
119 | if (child) { | |
63cca106 WL |
120 | CPUState *cpu, *next_cpu; |
121 | /* | |
122 | * Child processes created by fork() only have a single thread. Discard | |
123 | * information about the parent threads. | |
124 | */ | |
125 | CPU_FOREACH_SAFE(cpu, next_cpu) { | |
126 | if (cpu != thread_cpu) { | |
127 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); | |
128 | } | |
129 | } | |
130 | mmap_fork_end(child); | |
131 | /* | |
132 | * qemu_init_cpu_list() takes care of reinitializing the exclusive | |
133 | * state, so we don't need to end_exclusive() here. | |
134 | */ | |
135 | qemu_init_cpu_list(); | |
f7ec7f7b | 136 | gdbserver_fork(thread_cpu); |
63cca106 WL |
137 | } else { |
138 | mmap_fork_end(child); | |
139 | cpu_list_unlock(); | |
140 | end_exclusive(); | |
9399f095 BS |
141 | } |
142 | } | |
143 | ||
031fe7af | 144 | void cpu_loop(CPUArchState *env) |
31fc12df | 145 | { |
031fe7af | 146 | target_cpu_loop(env); |
31fc12df BS |
147 | } |
148 | ||
84778508 BS |
149 | static void usage(void) |
150 | { | |
7e563bfb | 151 | printf("qemu-" TARGET_NAME " version " QEMU_FULL_VERSION |
0781dd6e | 152 | "\n" QEMU_COPYRIGHT "\n" |
2e59915d | 153 | "usage: qemu-" TARGET_NAME " [options] program [arguments...]\n" |
84778508 BS |
154 | "BSD CPU emulator (compiled for %s emulation)\n" |
155 | "\n" | |
156 | "Standard options:\n" | |
157 | "-h print this help\n" | |
158 | "-g port wait gdb connection to port\n" | |
159 | "-L path set the elf interpreter prefix (default=%s)\n" | |
160 | "-s size set the stack size in bytes (default=%ld)\n" | |
c8057f95 | 161 | "-cpu model select CPU (-cpu help for list)\n" |
84778508 | 162 | "-drop-ld-preload drop LD_PRELOAD for target process\n" |
fc0d96b4 BS |
163 | "-E var=value sets/modifies targets environment variable(s)\n" |
164 | "-U var unsets targets environment variable(s)\n" | |
2fa5d9ba | 165 | "-B address set guest_base address to address\n" |
84778508 BS |
166 | "\n" |
167 | "Debug options:\n" | |
989b697d PM |
168 | "-d item1[,...] enable logging of specified items\n" |
169 | " (use '-d help' for a list of log items)\n" | |
170 | "-D logfile write logs to 'logfile' (default stderr)\n" | |
989b697d PM |
171 | "-singlestep always run in singlestep mode\n" |
172 | "-strace log system calls\n" | |
6913e79c LV |
173 | "-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n" |
174 | " specify tracing options\n" | |
84778508 BS |
175 | "\n" |
176 | "Environment variables:\n" | |
177 | "QEMU_STRACE Print system calls and arguments similar to the\n" | |
178 | " 'strace' program. Enable by setting to any value.\n" | |
fc0d96b4 BS |
179 | "You can use -E and -U options to set/unset environment variables\n" |
180 | "for target process. It is possible to provide several variables\n" | |
181 | "by repeating the option. For example:\n" | |
182 | " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n" | |
183 | "Note that if you provide several changes to single variable\n" | |
184 | "last change will stay in effect.\n" | |
f5048cb7 EB |
185 | "\n" |
186 | QEMU_HELP_BOTTOM "\n" | |
84778508 | 187 | , |
2e59915d | 188 | TARGET_NAME, |
84778508 | 189 | interp_prefix, |
312a0b1c | 190 | target_dflssiz); |
2d18e637 | 191 | exit(1); |
84778508 BS |
192 | } |
193 | ||
d42df502 | 194 | __thread CPUState *thread_cpu; |
84778508 | 195 | |
653ccec2 WL |
196 | void stop_all_tasks(void) |
197 | { | |
198 | /* | |
199 | * We trust when using NPTL (pthreads) start_exclusive() handles thread | |
200 | * stopping correctly. | |
201 | */ | |
202 | start_exclusive(); | |
203 | } | |
204 | ||
48f59211 EM |
205 | bool qemu_cpu_is_self(CPUState *cpu) |
206 | { | |
207 | return thread_cpu == cpu; | |
208 | } | |
209 | ||
210 | void qemu_cpu_kick(CPUState *cpu) | |
211 | { | |
212 | cpu_exit(cpu); | |
213 | } | |
214 | ||
84778508 | 215 | /* Assumes contents are already zeroed. */ |
b46d4ad7 | 216 | static void init_task_state(TaskState *ts) |
84778508 | 217 | { |
46f4f76d WL |
218 | ts->sigaltstack_used = (struct target_sigaltstack) { |
219 | .ss_sp = 0, | |
220 | .ss_size = 0, | |
221 | .ss_flags = TARGET_SS_DISABLE, | |
222 | }; | |
84778508 BS |
223 | } |
224 | ||
f0f7f9dc WL |
225 | void gemu_log(const char *fmt, ...) |
226 | { | |
227 | va_list ap; | |
228 | ||
229 | va_start(ap, fmt); | |
230 | vfprintf(stderr, fmt, ap); | |
231 | va_end(ap); | |
232 | } | |
233 | ||
312a0b1c WL |
234 | static void |
235 | adjust_ssize(void) | |
236 | { | |
237 | struct rlimit rl; | |
238 | ||
239 | if (getrlimit(RLIMIT_STACK, &rl) != 0) { | |
240 | return; | |
241 | } | |
242 | ||
243 | target_maxssiz = MIN(target_maxssiz, rl.rlim_max); | |
244 | target_dflssiz = MIN(MAX(target_dflssiz, rl.rlim_cur), target_maxssiz); | |
245 | ||
246 | rl.rlim_max = target_maxssiz; | |
247 | rl.rlim_cur = target_dflssiz; | |
248 | setrlimit(RLIMIT_STACK, &rl); | |
249 | } | |
250 | ||
01a298a5 WL |
251 | static void save_proc_pathname(char *argv0) |
252 | { | |
253 | int mib[4]; | |
254 | size_t len; | |
255 | ||
256 | mib[0] = CTL_KERN; | |
257 | mib[1] = KERN_PROC; | |
258 | mib[2] = KERN_PROC_PATHNAME; | |
259 | mib[3] = -1; | |
260 | ||
261 | len = sizeof(qemu_proc_pathname); | |
262 | if (sysctl(mib, 4, qemu_proc_pathname, &len, NULL, 0)) { | |
263 | perror("sysctl"); | |
264 | } | |
265 | } | |
266 | ||
84778508 BS |
267 | int main(int argc, char **argv) |
268 | { | |
269 | const char *filename; | |
270 | const char *cpu_model; | |
2278b939 | 271 | const char *cpu_type; |
989b697d | 272 | const char *log_file = NULL; |
c235d738 | 273 | const char *log_mask = NULL; |
03ecf078 | 274 | const char *seed_optarg = NULL; |
84778508 BS |
275 | struct target_pt_regs regs1, *regs = ®s1; |
276 | struct image_info info1, *info = &info1; | |
d37853f9 | 277 | struct bsd_binprm bprm; |
031fe7af | 278 | TaskState *ts; |
9349b4f9 | 279 | CPUArchState *env; |
db6b81d4 | 280 | CPUState *cpu; |
29aabb4f | 281 | int optind, rv; |
84778508 | 282 | const char *r; |
fcedd920 | 283 | const char *gdbstub = NULL; |
fc0d96b4 BS |
284 | char **target_environ, **wrk; |
285 | envlist_t *envlist = NULL; | |
b8012648 | 286 | char *argv0 = NULL; |
84778508 | 287 | |
312a0b1c WL |
288 | adjust_ssize(); |
289 | ||
b23a51dc | 290 | if (argc <= 1) { |
84778508 | 291 | usage(); |
b23a51dc | 292 | } |
84778508 | 293 | |
01a298a5 WL |
294 | save_proc_pathname(argv[0]); |
295 | ||
f5852efa | 296 | error_init(argv[0]); |
fe4db84d | 297 | module_call_init(MODULE_INIT_TRACE); |
267f685b | 298 | qemu_init_cpu_list(); |
ce008c1f AF |
299 | module_call_init(MODULE_INIT_QOM); |
300 | ||
ec45bbe5 | 301 | envlist = envlist_create(); |
fc0d96b4 BS |
302 | |
303 | /* add current environment into the list */ | |
304 | for (wrk = environ; *wrk != NULL; wrk++) { | |
305 | (void) envlist_setenv(envlist, *wrk); | |
306 | } | |
307 | ||
84778508 | 308 | cpu_model = NULL; |
0c62de2f | 309 | |
6913e79c LV |
310 | qemu_add_opts(&qemu_trace_opts); |
311 | ||
84778508 | 312 | optind = 1; |
6913e79c | 313 | for (;;) { |
b23a51dc | 314 | if (optind >= argc) { |
84778508 | 315 | break; |
b23a51dc | 316 | } |
84778508 | 317 | r = argv[optind]; |
b23a51dc | 318 | if (r[0] != '-') { |
84778508 | 319 | break; |
b23a51dc | 320 | } |
84778508 BS |
321 | optind++; |
322 | r++; | |
323 | if (!strcmp(r, "-")) { | |
324 | break; | |
325 | } else if (!strcmp(r, "d")) { | |
c235d738 | 326 | if (optind >= argc) { |
84778508 | 327 | break; |
84778508 | 328 | } |
c235d738 MF |
329 | log_mask = argv[optind++]; |
330 | } else if (!strcmp(r, "D")) { | |
331 | if (optind >= argc) { | |
332 | break; | |
333 | } | |
334 | log_file = argv[optind++]; | |
fc0d96b4 BS |
335 | } else if (!strcmp(r, "E")) { |
336 | r = argv[optind++]; | |
b23a51dc | 337 | if (envlist_setenv(envlist, r) != 0) { |
fc0d96b4 | 338 | usage(); |
b23a51dc | 339 | } |
f66724c9 SW |
340 | } else if (!strcmp(r, "ignore-environment")) { |
341 | envlist_free(envlist); | |
ec45bbe5 | 342 | envlist = envlist_create(); |
fc0d96b4 BS |
343 | } else if (!strcmp(r, "U")) { |
344 | r = argv[optind++]; | |
b23a51dc | 345 | if (envlist_unsetenv(envlist, r) != 0) { |
fc0d96b4 | 346 | usage(); |
b23a51dc | 347 | } |
84778508 BS |
348 | } else if (!strcmp(r, "s")) { |
349 | r = argv[optind++]; | |
312a0b1c WL |
350 | rv = qemu_strtoul(r, &r, 0, &target_dflssiz); |
351 | if (rv < 0 || target_dflssiz <= 0) { | |
84778508 | 352 | usage(); |
b23a51dc WL |
353 | } |
354 | if (*r == 'M') { | |
312a0b1c | 355 | target_dflssiz *= 1024 * 1024; |
b23a51dc | 356 | } else if (*r == 'k' || *r == 'K') { |
312a0b1c WL |
357 | target_dflssiz *= 1024; |
358 | } | |
359 | if (target_dflssiz > target_maxssiz) { | |
360 | usage(); | |
b23a51dc | 361 | } |
84778508 BS |
362 | } else if (!strcmp(r, "L")) { |
363 | interp_prefix = argv[optind++]; | |
364 | } else if (!strcmp(r, "p")) { | |
365 | qemu_host_page_size = atoi(argv[optind++]); | |
366 | if (qemu_host_page_size == 0 || | |
367 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
368 | fprintf(stderr, "page size must be a power of two\n"); | |
369 | exit(1); | |
370 | } | |
371 | } else if (!strcmp(r, "g")) { | |
fcedd920 | 372 | gdbstub = g_strdup(argv[optind++]); |
84778508 BS |
373 | } else if (!strcmp(r, "r")) { |
374 | qemu_uname_release = argv[optind++]; | |
375 | } else if (!strcmp(r, "cpu")) { | |
376 | cpu_model = argv[optind++]; | |
c8057f95 | 377 | if (is_help_option(cpu_model)) { |
d60c3b93 | 378 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
84778508 | 379 | #if defined(cpu_list) |
d60c3b93 | 380 | cpu_list(); |
84778508 | 381 | #endif |
2d18e637 | 382 | exit(1); |
84778508 | 383 | } |
2fa5d9ba | 384 | } else if (!strcmp(r, "B")) { |
29aabb4f WL |
385 | rv = qemu_strtoul(argv[optind++], NULL, 0, &guest_base); |
386 | if (rv < 0) { | |
387 | usage(); | |
388 | } | |
d60c3b93 | 389 | have_guest_base = true; |
84778508 | 390 | } else if (!strcmp(r, "drop-ld-preload")) { |
fc0d96b4 | 391 | (void) envlist_unsetenv(envlist, "LD_PRELOAD"); |
03ecf078 WL |
392 | } else if (!strcmp(r, "seed")) { |
393 | seed_optarg = optarg; | |
1b530a6d AJ |
394 | } else if (!strcmp(r, "singlestep")) { |
395 | singlestep = 1; | |
84778508 BS |
396 | } else if (!strcmp(r, "strace")) { |
397 | do_strace = 1; | |
6913e79c | 398 | } else if (!strcmp(r, "trace")) { |
92eecfff | 399 | trace_opt_parse(optarg); |
b8012648 CP |
400 | } else if (!strcmp(r, "0")) { |
401 | argv0 = argv[optind++]; | |
6913e79c | 402 | } else { |
84778508 BS |
403 | usage(); |
404 | } | |
405 | } | |
84778508 | 406 | |
c235d738 | 407 | /* init debug */ |
f2937a33 | 408 | qemu_log_needs_buffers(); |
daa76aa4 | 409 | qemu_set_log_filename(log_file, &error_fatal); |
c235d738 MF |
410 | if (log_mask) { |
411 | int mask; | |
c235d738 | 412 | |
4fde1eba | 413 | mask = qemu_str_to_log_mask(log_mask); |
c235d738 | 414 | if (!mask) { |
59a6fa6e | 415 | qemu_print_log_usage(stdout); |
c235d738 MF |
416 | exit(1); |
417 | } | |
24537a01 | 418 | qemu_set_log(mask); |
c235d738 MF |
419 | } |
420 | ||
4b5dfd82 PM |
421 | if (optind >= argc) { |
422 | usage(); | |
423 | } | |
424 | filename = argv[optind]; | |
b8012648 CP |
425 | if (argv0) { |
426 | argv[optind] = argv0; | |
427 | } | |
4b5dfd82 | 428 | |
6913e79c LV |
429 | if (!trace_init_backends()) { |
430 | exit(1); | |
431 | } | |
92eecfff | 432 | trace_init_file(); |
6913e79c | 433 | |
84778508 BS |
434 | /* Zero out regs */ |
435 | memset(regs, 0, sizeof(struct target_pt_regs)); | |
436 | ||
d37853f9 WL |
437 | /* Zero bsd params */ |
438 | memset(&bprm, 0, sizeof(bprm)); | |
439 | ||
84778508 BS |
440 | /* Zero out image_info */ |
441 | memset(info, 0, sizeof(struct image_info)); | |
442 | ||
443 | /* Scan interp_prefix dir for replacement files. */ | |
444 | init_paths(interp_prefix); | |
445 | ||
446 | if (cpu_model == NULL) { | |
031fe7af | 447 | cpu_model = TARGET_DEFAULT_CPU_MODEL; |
84778508 | 448 | } |
2b5249b8 | 449 | |
b86f59c7 | 450 | cpu_type = parse_cpu_option(cpu_model); |
031fe7af | 451 | |
2b5249b8 | 452 | /* init tcg before creating CPUs and to get qemu_host_page_size */ |
940e43aa CF |
453 | { |
454 | AccelClass *ac = ACCEL_GET_CLASS(current_accel()); | |
2b5249b8 | 455 | |
b86f59c7 | 456 | accel_init_interfaces(ac); |
92242f34 | 457 | ac->init_machine(NULL); |
940e43aa | 458 | } |
2278b939 | 459 | cpu = cpu_create(cpu_type); |
2994fd96 | 460 | env = cpu->env_ptr; |
db6b81d4 | 461 | cpu_reset(cpu); |
db6b81d4 | 462 | thread_cpu = cpu; |
84778508 BS |
463 | |
464 | if (getenv("QEMU_STRACE")) { | |
465 | do_strace = 1; | |
466 | } | |
467 | ||
fc0d96b4 BS |
468 | target_environ = envlist_to_environ(envlist, NULL); |
469 | envlist_free(envlist); | |
470 | ||
be04f210 WL |
471 | if (reserved_va) { |
472 | mmap_next_start = reserved_va; | |
473 | } | |
474 | ||
03ecf078 WL |
475 | { |
476 | Error *err = NULL; | |
477 | if (seed_optarg != NULL) { | |
478 | qemu_guest_random_seed_main(seed_optarg, &err); | |
479 | } else { | |
480 | qcrypto_init(&err); | |
481 | } | |
482 | if (err) { | |
483 | error_reportf_err(err, "cannot initialize crypto: "); | |
484 | exit(1); | |
485 | } | |
486 | } | |
487 | ||
2fa5d9ba | 488 | /* |
fa79cde6 | 489 | * Now that page sizes are configured we can do |
2fa5d9ba BS |
490 | * proper page alignment for guest_base. |
491 | */ | |
492 | guest_base = HOST_PAGE_ALIGN(guest_base); | |
493 | ||
d37853f9 WL |
494 | if (loader_exec(filename, argv + optind, target_environ, regs, info, |
495 | &bprm) != 0) { | |
84778508 BS |
496 | printf("Error loading %s\n", filename); |
497 | _exit(1); | |
498 | } | |
499 | ||
500 | for (wrk = target_environ; *wrk; wrk++) { | |
ec45bbe5 | 501 | g_free(*wrk); |
84778508 BS |
502 | } |
503 | ||
ec45bbe5 | 504 | g_free(target_environ); |
84778508 | 505 | |
13829020 | 506 | if (qemu_loglevel_mask(CPU_LOG_PAGE)) { |
5ca870b9 | 507 | qemu_log("guest_base %p\n", (void *)guest_base); |
10d0d505 | 508 | log_page_dump("binary load"); |
2e77eac6 BS |
509 | |
510 | qemu_log("start_brk 0x" TARGET_ABI_FMT_lx "\n", info->start_brk); | |
511 | qemu_log("end_code 0x" TARGET_ABI_FMT_lx "\n", info->end_code); | |
512 | qemu_log("start_code 0x" TARGET_ABI_FMT_lx "\n", | |
513 | info->start_code); | |
514 | qemu_log("start_data 0x" TARGET_ABI_FMT_lx "\n", | |
515 | info->start_data); | |
516 | qemu_log("end_data 0x" TARGET_ABI_FMT_lx "\n", info->end_data); | |
517 | qemu_log("start_stack 0x" TARGET_ABI_FMT_lx "\n", | |
518 | info->start_stack); | |
519 | qemu_log("brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); | |
520 | qemu_log("entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); | |
521 | } | |
84778508 | 522 | |
031fe7af WL |
523 | /* build Task State */ |
524 | ts = g_new0(TaskState, 1); | |
525 | init_task_state(ts); | |
526 | ts->info = info; | |
527 | ts->bprm = &bprm; | |
528 | cpu->opaque = ts; | |
529 | ||
84778508 BS |
530 | target_set_brk(info->brk); |
531 | syscall_init(); | |
532 | signal_init(); | |
533 | ||
34bc8475 WL |
534 | /* |
535 | * Now that we've loaded the binary, GUEST_BASE is fixed. Delay | |
536 | * generating the prologue until now so that the prologue can take | |
537 | * the real value of GUEST_BASE into account. | |
538 | */ | |
b1311c4a | 539 | tcg_prologue_init(tcg_ctx); |
9002ec79 | 540 | |
031fe7af | 541 | target_cpu_init(env, regs); |
84778508 | 542 | |
fcedd920 AB |
543 | if (gdbstub) { |
544 | gdbserver_start(gdbstub); | |
db6b81d4 | 545 | gdb_handlesig(cpu, 0); |
84778508 | 546 | } |
78cfb07f | 547 | cpu_loop(env); |
84778508 BS |
548 | /* never exits */ |
549 | return 0; | |
550 | } |