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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" |
49f95221 | 27 | #include "qemu/help-texts.h" |
66d26ddb | 28 | #include "qemu/units.h" |
940e43aa | 29 | #include "qemu/accel.h" |
8c1c230a | 30 | #include "qemu-version.h" |
84778508 BS |
31 | #include <machine/trap.h> |
32 | ||
daa76aa4 | 33 | #include "qapi/error.h" |
84778508 | 34 | #include "qemu.h" |
6913e79c | 35 | #include "qemu/config-file.h" |
f5852efa | 36 | #include "qemu/error-report.h" |
f348b6d1 VB |
37 | #include "qemu/path.h" |
38 | #include "qemu/help_option.h" | |
0b8fa32f | 39 | #include "qemu/module.h" |
63c91552 | 40 | #include "exec/exec-all.h" |
dcb32f1d | 41 | #include "tcg/tcg.h" |
1de7afc9 PB |
42 | #include "qemu/timer.h" |
43 | #include "qemu/envlist.h" | |
29aabb4f | 44 | #include "qemu/cutils.h" |
508127e2 | 45 | #include "exec/log.h" |
6913e79c | 46 | #include "trace/control.h" |
03ecf078 WL |
47 | #include "crypto/init.h" |
48 | #include "qemu/guest-random.h" | |
fc0d96b4 | 49 | |
d1dc9ab3 | 50 | #include "host-os.h" |
031fe7af | 51 | #include "target_arch_cpu.h" |
d1dc9ab3 | 52 | |
1b530a6d | 53 | int singlestep; |
5ca870b9 | 54 | uintptr_t guest_base; |
e307c192 | 55 | bool have_guest_base; |
be04f210 WL |
56 | /* |
57 | * When running 32-on-64 we should make sure we can fit all of the possible | |
58 | * guest address space into a contiguous chunk of virtual host memory. | |
59 | * | |
60 | * This way we will never overlap with our own libraries or binaries or stack | |
61 | * or anything else that QEMU maps. | |
62 | * | |
63 | * Many cpus reserve the high bit (or more than one for some 64-bit cpus) | |
64 | * of the address for the kernel. Some cpus rely on this and user space | |
65 | * uses the high bit(s) for pointer tagging and the like. For them, we | |
66 | * must preserve the expected address space. | |
67 | */ | |
68 | #ifndef MAX_RESERVED_VA | |
69 | # if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS | |
70 | # if TARGET_VIRT_ADDR_SPACE_BITS == 32 && \ | |
71 | (TARGET_LONG_BITS == 32 || defined(TARGET_ABI32)) | |
72 | /* | |
73 | * There are a number of places where we assign reserved_va to a variable | |
74 | * of type abi_ulong and expect it to fit. Avoid the last page. | |
75 | */ | |
76 | # define MAX_RESERVED_VA (0xfffffffful & TARGET_PAGE_MASK) | |
77 | # else | |
78 | # define MAX_RESERVED_VA (1ul << TARGET_VIRT_ADDR_SPACE_BITS) | |
79 | # endif | |
80 | # else | |
81 | # define MAX_RESERVED_VA 0 | |
82 | # endif | |
83 | #endif | |
84 | ||
85 | /* | |
86 | * That said, reserving *too* much vm space via mmap can run into problems | |
87 | * with rlimits, oom due to page table creation, etc. We will still try it, | |
88 | * if directed by the command-line option, but not by default. | |
89 | */ | |
90 | #if HOST_LONG_BITS == 64 && TARGET_VIRT_ADDR_SPACE_BITS <= 32 | |
91 | unsigned long reserved_va = MAX_RESERVED_VA; | |
92 | #else | |
d6ef40bf | 93 | unsigned long reserved_va; |
be04f210 | 94 | #endif |
1b530a6d | 95 | |
7ee2822c | 96 | static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; |
fccae322 | 97 | const char *qemu_uname_release; |
01a298a5 | 98 | char qemu_proc_pathname[PATH_MAX]; /* full path to exeutable */ |
84778508 | 99 | |
312a0b1c WL |
100 | unsigned long target_maxtsiz = TARGET_MAXTSIZ; /* max text size */ |
101 | unsigned long target_dfldsiz = TARGET_DFLDSIZ; /* initial data size limit */ | |
102 | unsigned long target_maxdsiz = TARGET_MAXDSIZ; /* max data size */ | |
103 | unsigned long target_dflssiz = TARGET_DFLSSIZ; /* initial data size limit */ | |
104 | unsigned long target_maxssiz = TARGET_MAXSSIZ; /* max stack size */ | |
105 | unsigned long target_sgrowsiz = TARGET_SGROWSIZ; /* amount to grow stack */ | |
84778508 | 106 | |
63cca106 | 107 | /* Helper routines for implementing atomic operations. */ |
9399f095 | 108 | |
9399f095 BS |
109 | void fork_start(void) |
110 | { | |
63cca106 WL |
111 | start_exclusive(); |
112 | cpu_list_lock(); | |
113 | mmap_fork_start(); | |
9399f095 BS |
114 | } |
115 | ||
116 | void fork_end(int child) | |
117 | { | |
118 | if (child) { | |
63cca106 WL |
119 | CPUState *cpu, *next_cpu; |
120 | /* | |
121 | * Child processes created by fork() only have a single thread. Discard | |
122 | * information about the parent threads. | |
123 | */ | |
124 | CPU_FOREACH_SAFE(cpu, next_cpu) { | |
125 | if (cpu != thread_cpu) { | |
126 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); | |
127 | } | |
128 | } | |
129 | mmap_fork_end(child); | |
130 | /* | |
131 | * qemu_init_cpu_list() takes care of reinitializing the exclusive | |
132 | * state, so we don't need to end_exclusive() here. | |
133 | */ | |
134 | qemu_init_cpu_list(); | |
f7ec7f7b | 135 | gdbserver_fork(thread_cpu); |
63cca106 WL |
136 | } else { |
137 | mmap_fork_end(child); | |
138 | cpu_list_unlock(); | |
139 | end_exclusive(); | |
9399f095 BS |
140 | } |
141 | } | |
142 | ||
031fe7af | 143 | void cpu_loop(CPUArchState *env) |
31fc12df | 144 | { |
031fe7af | 145 | target_cpu_loop(env); |
31fc12df BS |
146 | } |
147 | ||
84778508 BS |
148 | static void usage(void) |
149 | { | |
7e563bfb | 150 | printf("qemu-" TARGET_NAME " version " QEMU_FULL_VERSION |
0781dd6e | 151 | "\n" QEMU_COPYRIGHT "\n" |
2e59915d | 152 | "usage: qemu-" TARGET_NAME " [options] program [arguments...]\n" |
84778508 BS |
153 | "BSD CPU emulator (compiled for %s emulation)\n" |
154 | "\n" | |
155 | "Standard options:\n" | |
156 | "-h print this help\n" | |
157 | "-g port wait gdb connection to port\n" | |
158 | "-L path set the elf interpreter prefix (default=%s)\n" | |
159 | "-s size set the stack size in bytes (default=%ld)\n" | |
c8057f95 | 160 | "-cpu model select CPU (-cpu help for list)\n" |
84778508 | 161 | "-drop-ld-preload drop LD_PRELOAD for target process\n" |
fc0d96b4 BS |
162 | "-E var=value sets/modifies targets environment variable(s)\n" |
163 | "-U var unsets targets environment variable(s)\n" | |
2fa5d9ba | 164 | "-B address set guest_base address to address\n" |
84778508 BS |
165 | "\n" |
166 | "Debug options:\n" | |
989b697d PM |
167 | "-d item1[,...] enable logging of specified items\n" |
168 | " (use '-d help' for a list of log items)\n" | |
169 | "-D logfile write logs to 'logfile' (default stderr)\n" | |
989b697d PM |
170 | "-singlestep always run in singlestep mode\n" |
171 | "-strace log system calls\n" | |
6913e79c LV |
172 | "-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n" |
173 | " specify tracing options\n" | |
84778508 BS |
174 | "\n" |
175 | "Environment variables:\n" | |
176 | "QEMU_STRACE Print system calls and arguments similar to the\n" | |
177 | " 'strace' program. Enable by setting to any value.\n" | |
fc0d96b4 BS |
178 | "You can use -E and -U options to set/unset environment variables\n" |
179 | "for target process. It is possible to provide several variables\n" | |
180 | "by repeating the option. For example:\n" | |
181 | " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n" | |
182 | "Note that if you provide several changes to single variable\n" | |
183 | "last change will stay in effect.\n" | |
f5048cb7 EB |
184 | "\n" |
185 | QEMU_HELP_BOTTOM "\n" | |
84778508 | 186 | , |
2e59915d | 187 | TARGET_NAME, |
84778508 | 188 | interp_prefix, |
312a0b1c | 189 | target_dflssiz); |
2d18e637 | 190 | exit(1); |
84778508 BS |
191 | } |
192 | ||
d42df502 | 193 | __thread CPUState *thread_cpu; |
84778508 | 194 | |
653ccec2 WL |
195 | void stop_all_tasks(void) |
196 | { | |
197 | /* | |
198 | * We trust when using NPTL (pthreads) start_exclusive() handles thread | |
199 | * stopping correctly. | |
200 | */ | |
201 | start_exclusive(); | |
202 | } | |
203 | ||
48f59211 EM |
204 | bool qemu_cpu_is_self(CPUState *cpu) |
205 | { | |
206 | return thread_cpu == cpu; | |
207 | } | |
208 | ||
209 | void qemu_cpu_kick(CPUState *cpu) | |
210 | { | |
211 | cpu_exit(cpu); | |
212 | } | |
213 | ||
84778508 | 214 | /* Assumes contents are already zeroed. */ |
b46d4ad7 | 215 | static void init_task_state(TaskState *ts) |
84778508 | 216 | { |
46f4f76d WL |
217 | ts->sigaltstack_used = (struct target_sigaltstack) { |
218 | .ss_sp = 0, | |
219 | .ss_size = 0, | |
220 | .ss_flags = TARGET_SS_DISABLE, | |
221 | }; | |
84778508 BS |
222 | } |
223 | ||
f0f7f9dc WL |
224 | void gemu_log(const char *fmt, ...) |
225 | { | |
226 | va_list ap; | |
227 | ||
228 | va_start(ap, fmt); | |
229 | vfprintf(stderr, fmt, ap); | |
230 | va_end(ap); | |
231 | } | |
232 | ||
312a0b1c WL |
233 | static void |
234 | adjust_ssize(void) | |
235 | { | |
236 | struct rlimit rl; | |
237 | ||
238 | if (getrlimit(RLIMIT_STACK, &rl) != 0) { | |
239 | return; | |
240 | } | |
241 | ||
242 | target_maxssiz = MIN(target_maxssiz, rl.rlim_max); | |
243 | target_dflssiz = MIN(MAX(target_dflssiz, rl.rlim_cur), target_maxssiz); | |
244 | ||
245 | rl.rlim_max = target_maxssiz; | |
246 | rl.rlim_cur = target_dflssiz; | |
247 | setrlimit(RLIMIT_STACK, &rl); | |
248 | } | |
249 | ||
01a298a5 WL |
250 | static void save_proc_pathname(char *argv0) |
251 | { | |
252 | int mib[4]; | |
253 | size_t len; | |
254 | ||
255 | mib[0] = CTL_KERN; | |
256 | mib[1] = KERN_PROC; | |
257 | mib[2] = KERN_PROC_PATHNAME; | |
258 | mib[3] = -1; | |
259 | ||
260 | len = sizeof(qemu_proc_pathname); | |
261 | if (sysctl(mib, 4, qemu_proc_pathname, &len, NULL, 0)) { | |
262 | perror("sysctl"); | |
263 | } | |
264 | } | |
265 | ||
84778508 BS |
266 | int main(int argc, char **argv) |
267 | { | |
268 | const char *filename; | |
269 | const char *cpu_model; | |
2278b939 | 270 | const char *cpu_type; |
989b697d | 271 | const char *log_file = NULL; |
c235d738 | 272 | const char *log_mask = NULL; |
03ecf078 | 273 | const char *seed_optarg = NULL; |
84778508 BS |
274 | struct target_pt_regs regs1, *regs = ®s1; |
275 | struct image_info info1, *info = &info1; | |
d37853f9 | 276 | struct bsd_binprm bprm; |
031fe7af | 277 | TaskState *ts; |
9349b4f9 | 278 | CPUArchState *env; |
db6b81d4 | 279 | CPUState *cpu; |
29aabb4f | 280 | int optind, rv; |
84778508 | 281 | const char *r; |
fcedd920 | 282 | const char *gdbstub = NULL; |
fc0d96b4 BS |
283 | char **target_environ, **wrk; |
284 | envlist_t *envlist = NULL; | |
b8012648 | 285 | char *argv0 = NULL; |
84778508 | 286 | |
312a0b1c WL |
287 | adjust_ssize(); |
288 | ||
b23a51dc | 289 | if (argc <= 1) { |
84778508 | 290 | usage(); |
b23a51dc | 291 | } |
84778508 | 292 | |
01a298a5 WL |
293 | save_proc_pathname(argv[0]); |
294 | ||
f5852efa | 295 | error_init(argv[0]); |
fe4db84d | 296 | module_call_init(MODULE_INIT_TRACE); |
267f685b | 297 | qemu_init_cpu_list(); |
ce008c1f AF |
298 | module_call_init(MODULE_INIT_QOM); |
299 | ||
ec45bbe5 | 300 | envlist = envlist_create(); |
fc0d96b4 BS |
301 | |
302 | /* add current environment into the list */ | |
303 | for (wrk = environ; *wrk != NULL; wrk++) { | |
304 | (void) envlist_setenv(envlist, *wrk); | |
305 | } | |
306 | ||
84778508 | 307 | cpu_model = NULL; |
0c62de2f | 308 | |
6913e79c LV |
309 | qemu_add_opts(&qemu_trace_opts); |
310 | ||
84778508 | 311 | optind = 1; |
6913e79c | 312 | for (;;) { |
b23a51dc | 313 | if (optind >= argc) { |
84778508 | 314 | break; |
b23a51dc | 315 | } |
84778508 | 316 | r = argv[optind]; |
b23a51dc | 317 | if (r[0] != '-') { |
84778508 | 318 | break; |
b23a51dc | 319 | } |
84778508 BS |
320 | optind++; |
321 | r++; | |
322 | if (!strcmp(r, "-")) { | |
323 | break; | |
324 | } else if (!strcmp(r, "d")) { | |
c235d738 | 325 | if (optind >= argc) { |
84778508 | 326 | break; |
84778508 | 327 | } |
c235d738 MF |
328 | log_mask = argv[optind++]; |
329 | } else if (!strcmp(r, "D")) { | |
330 | if (optind >= argc) { | |
331 | break; | |
332 | } | |
333 | log_file = argv[optind++]; | |
fc0d96b4 BS |
334 | } else if (!strcmp(r, "E")) { |
335 | r = argv[optind++]; | |
b23a51dc | 336 | if (envlist_setenv(envlist, r) != 0) { |
fc0d96b4 | 337 | usage(); |
b23a51dc | 338 | } |
f66724c9 SW |
339 | } else if (!strcmp(r, "ignore-environment")) { |
340 | envlist_free(envlist); | |
ec45bbe5 | 341 | envlist = envlist_create(); |
fc0d96b4 BS |
342 | } else if (!strcmp(r, "U")) { |
343 | r = argv[optind++]; | |
b23a51dc | 344 | if (envlist_unsetenv(envlist, r) != 0) { |
fc0d96b4 | 345 | usage(); |
b23a51dc | 346 | } |
84778508 BS |
347 | } else if (!strcmp(r, "s")) { |
348 | r = argv[optind++]; | |
312a0b1c WL |
349 | rv = qemu_strtoul(r, &r, 0, &target_dflssiz); |
350 | if (rv < 0 || target_dflssiz <= 0) { | |
84778508 | 351 | usage(); |
b23a51dc WL |
352 | } |
353 | if (*r == 'M') { | |
312a0b1c | 354 | target_dflssiz *= 1024 * 1024; |
b23a51dc | 355 | } else if (*r == 'k' || *r == 'K') { |
312a0b1c WL |
356 | target_dflssiz *= 1024; |
357 | } | |
358 | if (target_dflssiz > target_maxssiz) { | |
359 | usage(); | |
b23a51dc | 360 | } |
84778508 BS |
361 | } else if (!strcmp(r, "L")) { |
362 | interp_prefix = argv[optind++]; | |
363 | } else if (!strcmp(r, "p")) { | |
364 | qemu_host_page_size = atoi(argv[optind++]); | |
365 | if (qemu_host_page_size == 0 || | |
366 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
367 | fprintf(stderr, "page size must be a power of two\n"); | |
368 | exit(1); | |
369 | } | |
370 | } else if (!strcmp(r, "g")) { | |
fcedd920 | 371 | gdbstub = g_strdup(argv[optind++]); |
84778508 BS |
372 | } else if (!strcmp(r, "r")) { |
373 | qemu_uname_release = argv[optind++]; | |
374 | } else if (!strcmp(r, "cpu")) { | |
375 | cpu_model = argv[optind++]; | |
c8057f95 | 376 | if (is_help_option(cpu_model)) { |
d60c3b93 | 377 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
84778508 | 378 | #if defined(cpu_list) |
d60c3b93 | 379 | cpu_list(); |
84778508 | 380 | #endif |
2d18e637 | 381 | exit(1); |
84778508 | 382 | } |
2fa5d9ba | 383 | } else if (!strcmp(r, "B")) { |
29aabb4f WL |
384 | rv = qemu_strtoul(argv[optind++], NULL, 0, &guest_base); |
385 | if (rv < 0) { | |
386 | usage(); | |
387 | } | |
d60c3b93 | 388 | have_guest_base = true; |
84778508 | 389 | } else if (!strcmp(r, "drop-ld-preload")) { |
fc0d96b4 | 390 | (void) envlist_unsetenv(envlist, "LD_PRELOAD"); |
03ecf078 WL |
391 | } else if (!strcmp(r, "seed")) { |
392 | seed_optarg = optarg; | |
1b530a6d AJ |
393 | } else if (!strcmp(r, "singlestep")) { |
394 | singlestep = 1; | |
84778508 BS |
395 | } else if (!strcmp(r, "strace")) { |
396 | do_strace = 1; | |
6913e79c | 397 | } else if (!strcmp(r, "trace")) { |
92eecfff | 398 | trace_opt_parse(optarg); |
b8012648 CP |
399 | } else if (!strcmp(r, "0")) { |
400 | argv0 = argv[optind++]; | |
6913e79c | 401 | } else { |
84778508 BS |
402 | usage(); |
403 | } | |
404 | } | |
84778508 | 405 | |
c235d738 | 406 | /* init debug */ |
905c78fe RH |
407 | { |
408 | int mask = 0; | |
409 | if (log_mask) { | |
410 | mask = qemu_str_to_log_mask(log_mask); | |
411 | if (!mask) { | |
412 | qemu_print_log_usage(stdout); | |
413 | exit(1); | |
414 | } | |
c235d738 | 415 | } |
905c78fe | 416 | qemu_set_log_filename_flags(log_file, mask, &error_fatal); |
c235d738 MF |
417 | } |
418 | ||
4b5dfd82 PM |
419 | if (optind >= argc) { |
420 | usage(); | |
421 | } | |
422 | filename = argv[optind]; | |
b8012648 CP |
423 | if (argv0) { |
424 | argv[optind] = argv0; | |
425 | } | |
4b5dfd82 | 426 | |
6913e79c LV |
427 | if (!trace_init_backends()) { |
428 | exit(1); | |
429 | } | |
92eecfff | 430 | trace_init_file(); |
6913e79c | 431 | |
84778508 BS |
432 | /* Zero out regs */ |
433 | memset(regs, 0, sizeof(struct target_pt_regs)); | |
434 | ||
d37853f9 WL |
435 | /* Zero bsd params */ |
436 | memset(&bprm, 0, sizeof(bprm)); | |
437 | ||
84778508 BS |
438 | /* Zero out image_info */ |
439 | memset(info, 0, sizeof(struct image_info)); | |
440 | ||
441 | /* Scan interp_prefix dir for replacement files. */ | |
442 | init_paths(interp_prefix); | |
443 | ||
444 | if (cpu_model == NULL) { | |
031fe7af | 445 | cpu_model = TARGET_DEFAULT_CPU_MODEL; |
84778508 | 446 | } |
2b5249b8 | 447 | |
b86f59c7 | 448 | cpu_type = parse_cpu_option(cpu_model); |
031fe7af | 449 | |
2b5249b8 | 450 | /* init tcg before creating CPUs and to get qemu_host_page_size */ |
940e43aa CF |
451 | { |
452 | AccelClass *ac = ACCEL_GET_CLASS(current_accel()); | |
2b5249b8 | 453 | |
b86f59c7 | 454 | accel_init_interfaces(ac); |
92242f34 | 455 | ac->init_machine(NULL); |
940e43aa | 456 | } |
2278b939 | 457 | cpu = cpu_create(cpu_type); |
2994fd96 | 458 | env = cpu->env_ptr; |
db6b81d4 | 459 | cpu_reset(cpu); |
db6b81d4 | 460 | thread_cpu = cpu; |
84778508 BS |
461 | |
462 | if (getenv("QEMU_STRACE")) { | |
463 | do_strace = 1; | |
464 | } | |
465 | ||
fc0d96b4 BS |
466 | target_environ = envlist_to_environ(envlist, NULL); |
467 | envlist_free(envlist); | |
468 | ||
be04f210 WL |
469 | if (reserved_va) { |
470 | mmap_next_start = reserved_va; | |
471 | } | |
472 | ||
03ecf078 WL |
473 | { |
474 | Error *err = NULL; | |
475 | if (seed_optarg != NULL) { | |
476 | qemu_guest_random_seed_main(seed_optarg, &err); | |
477 | } else { | |
478 | qcrypto_init(&err); | |
479 | } | |
480 | if (err) { | |
481 | error_reportf_err(err, "cannot initialize crypto: "); | |
482 | exit(1); | |
483 | } | |
484 | } | |
485 | ||
2fa5d9ba | 486 | /* |
fa79cde6 | 487 | * Now that page sizes are configured we can do |
2fa5d9ba BS |
488 | * proper page alignment for guest_base. |
489 | */ | |
490 | guest_base = HOST_PAGE_ALIGN(guest_base); | |
491 | ||
d37853f9 WL |
492 | if (loader_exec(filename, argv + optind, target_environ, regs, info, |
493 | &bprm) != 0) { | |
84778508 BS |
494 | printf("Error loading %s\n", filename); |
495 | _exit(1); | |
496 | } | |
497 | ||
498 | for (wrk = target_environ; *wrk; wrk++) { | |
ec45bbe5 | 499 | g_free(*wrk); |
84778508 BS |
500 | } |
501 | ||
ec45bbe5 | 502 | g_free(target_environ); |
84778508 | 503 | |
13829020 | 504 | if (qemu_loglevel_mask(CPU_LOG_PAGE)) { |
43b76161 RH |
505 | FILE *f = qemu_log_trylock(); |
506 | if (f) { | |
507 | fprintf(f, "guest_base %p\n", (void *)guest_base); | |
508 | fprintf(f, "page layout changed following binary load\n"); | |
509 | page_dump(f); | |
510 | ||
511 | fprintf(f, "start_brk 0x" TARGET_ABI_FMT_lx "\n", | |
512 | info->start_brk); | |
513 | fprintf(f, "end_code 0x" TARGET_ABI_FMT_lx "\n", | |
514 | info->end_code); | |
515 | fprintf(f, "start_code 0x" TARGET_ABI_FMT_lx "\n", | |
516 | info->start_code); | |
517 | fprintf(f, "start_data 0x" TARGET_ABI_FMT_lx "\n", | |
518 | info->start_data); | |
519 | fprintf(f, "end_data 0x" TARGET_ABI_FMT_lx "\n", | |
520 | info->end_data); | |
521 | fprintf(f, "start_stack 0x" TARGET_ABI_FMT_lx "\n", | |
522 | info->start_stack); | |
523 | fprintf(f, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); | |
524 | fprintf(f, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); | |
525 | ||
526 | qemu_log_unlock(f); | |
527 | } | |
2e77eac6 | 528 | } |
84778508 | 529 | |
031fe7af WL |
530 | /* build Task State */ |
531 | ts = g_new0(TaskState, 1); | |
532 | init_task_state(ts); | |
533 | ts->info = info; | |
534 | ts->bprm = &bprm; | |
535 | cpu->opaque = ts; | |
536 | ||
84778508 BS |
537 | target_set_brk(info->brk); |
538 | syscall_init(); | |
539 | signal_init(); | |
540 | ||
34bc8475 WL |
541 | /* |
542 | * Now that we've loaded the binary, GUEST_BASE is fixed. Delay | |
543 | * generating the prologue until now so that the prologue can take | |
544 | * the real value of GUEST_BASE into account. | |
545 | */ | |
b1311c4a | 546 | tcg_prologue_init(tcg_ctx); |
9002ec79 | 547 | |
031fe7af | 548 | target_cpu_init(env, regs); |
84778508 | 549 | |
fcedd920 AB |
550 | if (gdbstub) { |
551 | gdbserver_start(gdbstub); | |
db6b81d4 | 552 | gdb_handlesig(cpu, 0); |
84778508 | 553 | } |
78cfb07f | 554 | cpu_loop(env); |
84778508 BS |
555 | /* never exits */ |
556 | return 0; | |
557 | } |