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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 | |
48e438a3 | 21 | #include "qemu/osdep.h" |
312a0b1c WL |
22 | #include <sys/resource.h> |
23 | #include <sys/sysctl.h> | |
24 | ||
49f95221 | 25 | #include "qemu/help-texts.h" |
66d26ddb | 26 | #include "qemu/units.h" |
940e43aa | 27 | #include "qemu/accel.h" |
8c1c230a | 28 | #include "qemu-version.h" |
84778508 BS |
29 | #include <machine/trap.h> |
30 | ||
daa76aa4 | 31 | #include "qapi/error.h" |
84778508 | 32 | #include "qemu.h" |
6913e79c | 33 | #include "qemu/config-file.h" |
f5852efa | 34 | #include "qemu/error-report.h" |
f348b6d1 VB |
35 | #include "qemu/path.h" |
36 | #include "qemu/help_option.h" | |
0b8fa32f | 37 | #include "qemu/module.h" |
63c91552 | 38 | #include "exec/exec-all.h" |
dcb32f1d | 39 | #include "tcg/tcg.h" |
1de7afc9 PB |
40 | #include "qemu/timer.h" |
41 | #include "qemu/envlist.h" | |
29aabb4f | 42 | #include "qemu/cutils.h" |
508127e2 | 43 | #include "exec/log.h" |
6913e79c | 44 | #include "trace/control.h" |
03ecf078 WL |
45 | #include "crypto/init.h" |
46 | #include "qemu/guest-random.h" | |
d96bf49b | 47 | #include "gdbstub/user.h" |
fc0d96b4 | 48 | |
d1dc9ab3 | 49 | #include "host-os.h" |
031fe7af | 50 | #include "target_arch_cpu.h" |
d1dc9ab3 | 51 | |
1b530a6d | 52 | int singlestep; |
5ca870b9 | 53 | uintptr_t guest_base; |
e307c192 | 54 | bool have_guest_base; |
be04f210 WL |
55 | /* |
56 | * When running 32-on-64 we should make sure we can fit all of the possible | |
57 | * guest address space into a contiguous chunk of virtual host memory. | |
58 | * | |
59 | * This way we will never overlap with our own libraries or binaries or stack | |
60 | * or anything else that QEMU maps. | |
61 | * | |
62 | * Many cpus reserve the high bit (or more than one for some 64-bit cpus) | |
63 | * of the address for the kernel. Some cpus rely on this and user space | |
64 | * uses the high bit(s) for pointer tagging and the like. For them, we | |
65 | * must preserve the expected address space. | |
66 | */ | |
67 | #ifndef MAX_RESERVED_VA | |
68 | # if HOST_LONG_BITS > TARGET_VIRT_ADDR_SPACE_BITS | |
69 | # if TARGET_VIRT_ADDR_SPACE_BITS == 32 && \ | |
70 | (TARGET_LONG_BITS == 32 || defined(TARGET_ABI32)) | |
95059f9c | 71 | # define MAX_RESERVED_VA 0xfffffffful |
be04f210 | 72 | # else |
95059f9c | 73 | # define MAX_RESERVED_VA ((1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1) |
be04f210 WL |
74 | # endif |
75 | # else | |
76 | # define MAX_RESERVED_VA 0 | |
77 | # endif | |
78 | #endif | |
79 | ||
80 | /* | |
81 | * That said, reserving *too* much vm space via mmap can run into problems | |
82 | * with rlimits, oom due to page table creation, etc. We will still try it, | |
83 | * if directed by the command-line option, but not by default. | |
84 | */ | |
85 | #if HOST_LONG_BITS == 64 && TARGET_VIRT_ADDR_SPACE_BITS <= 32 | |
86 | unsigned long reserved_va = MAX_RESERVED_VA; | |
87 | #else | |
d6ef40bf | 88 | unsigned long reserved_va; |
be04f210 | 89 | #endif |
1b530a6d | 90 | |
7ee2822c | 91 | static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX; |
fccae322 | 92 | const char *qemu_uname_release; |
01a298a5 | 93 | char qemu_proc_pathname[PATH_MAX]; /* full path to exeutable */ |
84778508 | 94 | |
312a0b1c WL |
95 | unsigned long target_maxtsiz = TARGET_MAXTSIZ; /* max text size */ |
96 | unsigned long target_dfldsiz = TARGET_DFLDSIZ; /* initial data size limit */ | |
97 | unsigned long target_maxdsiz = TARGET_MAXDSIZ; /* max data size */ | |
98 | unsigned long target_dflssiz = TARGET_DFLSSIZ; /* initial data size limit */ | |
99 | unsigned long target_maxssiz = TARGET_MAXSSIZ; /* max stack size */ | |
100 | unsigned long target_sgrowsiz = TARGET_SGROWSIZ; /* amount to grow stack */ | |
84778508 | 101 | |
63cca106 | 102 | /* Helper routines for implementing atomic operations. */ |
9399f095 | 103 | |
9399f095 BS |
104 | void fork_start(void) |
105 | { | |
63cca106 WL |
106 | start_exclusive(); |
107 | cpu_list_lock(); | |
108 | mmap_fork_start(); | |
9399f095 BS |
109 | } |
110 | ||
111 | void fork_end(int child) | |
112 | { | |
113 | if (child) { | |
63cca106 WL |
114 | CPUState *cpu, *next_cpu; |
115 | /* | |
116 | * Child processes created by fork() only have a single thread. Discard | |
117 | * information about the parent threads. | |
118 | */ | |
119 | CPU_FOREACH_SAFE(cpu, next_cpu) { | |
120 | if (cpu != thread_cpu) { | |
121 | QTAILQ_REMOVE_RCU(&cpus, cpu, node); | |
122 | } | |
123 | } | |
124 | mmap_fork_end(child); | |
125 | /* | |
126 | * qemu_init_cpu_list() takes care of reinitializing the exclusive | |
127 | * state, so we don't need to end_exclusive() here. | |
128 | */ | |
129 | qemu_init_cpu_list(); | |
f7ec7f7b | 130 | gdbserver_fork(thread_cpu); |
63cca106 WL |
131 | } else { |
132 | mmap_fork_end(child); | |
133 | cpu_list_unlock(); | |
134 | end_exclusive(); | |
9399f095 BS |
135 | } |
136 | } | |
137 | ||
031fe7af | 138 | void cpu_loop(CPUArchState *env) |
31fc12df | 139 | { |
031fe7af | 140 | target_cpu_loop(env); |
31fc12df BS |
141 | } |
142 | ||
84778508 BS |
143 | static void usage(void) |
144 | { | |
7e563bfb | 145 | printf("qemu-" TARGET_NAME " version " QEMU_FULL_VERSION |
0781dd6e | 146 | "\n" QEMU_COPYRIGHT "\n" |
2e59915d | 147 | "usage: qemu-" TARGET_NAME " [options] program [arguments...]\n" |
84778508 BS |
148 | "BSD CPU emulator (compiled for %s emulation)\n" |
149 | "\n" | |
150 | "Standard options:\n" | |
151 | "-h print this help\n" | |
152 | "-g port wait gdb connection to port\n" | |
153 | "-L path set the elf interpreter prefix (default=%s)\n" | |
154 | "-s size set the stack size in bytes (default=%ld)\n" | |
c8057f95 | 155 | "-cpu model select CPU (-cpu help for list)\n" |
84778508 | 156 | "-drop-ld-preload drop LD_PRELOAD for target process\n" |
fc0d96b4 BS |
157 | "-E var=value sets/modifies targets environment variable(s)\n" |
158 | "-U var unsets targets environment variable(s)\n" | |
2fa5d9ba | 159 | "-B address set guest_base address to address\n" |
84778508 BS |
160 | "\n" |
161 | "Debug options:\n" | |
989b697d PM |
162 | "-d item1[,...] enable logging of specified items\n" |
163 | " (use '-d help' for a list of log items)\n" | |
164 | "-D logfile write logs to 'logfile' (default stderr)\n" | |
989b697d PM |
165 | "-singlestep always run in singlestep mode\n" |
166 | "-strace log system calls\n" | |
6913e79c LV |
167 | "-trace [[enable=]<pattern>][,events=<file>][,file=<file>]\n" |
168 | " specify tracing options\n" | |
84778508 BS |
169 | "\n" |
170 | "Environment variables:\n" | |
171 | "QEMU_STRACE Print system calls and arguments similar to the\n" | |
172 | " 'strace' program. Enable by setting to any value.\n" | |
fc0d96b4 BS |
173 | "You can use -E and -U options to set/unset environment variables\n" |
174 | "for target process. It is possible to provide several variables\n" | |
175 | "by repeating the option. For example:\n" | |
176 | " -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n" | |
177 | "Note that if you provide several changes to single variable\n" | |
178 | "last change will stay in effect.\n" | |
f5048cb7 EB |
179 | "\n" |
180 | QEMU_HELP_BOTTOM "\n" | |
84778508 | 181 | , |
2e59915d | 182 | TARGET_NAME, |
84778508 | 183 | interp_prefix, |
312a0b1c | 184 | target_dflssiz); |
2d18e637 | 185 | exit(1); |
84778508 BS |
186 | } |
187 | ||
d42df502 | 188 | __thread CPUState *thread_cpu; |
84778508 | 189 | |
653ccec2 WL |
190 | void stop_all_tasks(void) |
191 | { | |
192 | /* | |
193 | * We trust when using NPTL (pthreads) start_exclusive() handles thread | |
194 | * stopping correctly. | |
195 | */ | |
196 | start_exclusive(); | |
197 | } | |
198 | ||
48f59211 EM |
199 | bool qemu_cpu_is_self(CPUState *cpu) |
200 | { | |
201 | return thread_cpu == cpu; | |
202 | } | |
203 | ||
204 | void qemu_cpu_kick(CPUState *cpu) | |
205 | { | |
206 | cpu_exit(cpu); | |
207 | } | |
208 | ||
84778508 | 209 | /* Assumes contents are already zeroed. */ |
b46d4ad7 | 210 | static void init_task_state(TaskState *ts) |
84778508 | 211 | { |
46f4f76d WL |
212 | ts->sigaltstack_used = (struct target_sigaltstack) { |
213 | .ss_sp = 0, | |
214 | .ss_size = 0, | |
215 | .ss_flags = TARGET_SS_DISABLE, | |
216 | }; | |
84778508 BS |
217 | } |
218 | ||
f0f7f9dc WL |
219 | void gemu_log(const char *fmt, ...) |
220 | { | |
221 | va_list ap; | |
222 | ||
223 | va_start(ap, fmt); | |
224 | vfprintf(stderr, fmt, ap); | |
225 | va_end(ap); | |
226 | } | |
227 | ||
312a0b1c WL |
228 | static void |
229 | adjust_ssize(void) | |
230 | { | |
231 | struct rlimit rl; | |
232 | ||
233 | if (getrlimit(RLIMIT_STACK, &rl) != 0) { | |
234 | return; | |
235 | } | |
236 | ||
237 | target_maxssiz = MIN(target_maxssiz, rl.rlim_max); | |
238 | target_dflssiz = MIN(MAX(target_dflssiz, rl.rlim_cur), target_maxssiz); | |
239 | ||
240 | rl.rlim_max = target_maxssiz; | |
241 | rl.rlim_cur = target_dflssiz; | |
242 | setrlimit(RLIMIT_STACK, &rl); | |
243 | } | |
244 | ||
01a298a5 WL |
245 | static void save_proc_pathname(char *argv0) |
246 | { | |
247 | int mib[4]; | |
248 | size_t len; | |
249 | ||
250 | mib[0] = CTL_KERN; | |
251 | mib[1] = KERN_PROC; | |
252 | mib[2] = KERN_PROC_PATHNAME; | |
253 | mib[3] = -1; | |
254 | ||
255 | len = sizeof(qemu_proc_pathname); | |
256 | if (sysctl(mib, 4, qemu_proc_pathname, &len, NULL, 0)) { | |
257 | perror("sysctl"); | |
258 | } | |
259 | } | |
260 | ||
84778508 BS |
261 | int main(int argc, char **argv) |
262 | { | |
263 | const char *filename; | |
264 | const char *cpu_model; | |
2278b939 | 265 | const char *cpu_type; |
989b697d | 266 | const char *log_file = NULL; |
c235d738 | 267 | const char *log_mask = NULL; |
03ecf078 | 268 | const char *seed_optarg = NULL; |
84778508 BS |
269 | struct target_pt_regs regs1, *regs = ®s1; |
270 | struct image_info info1, *info = &info1; | |
d37853f9 | 271 | struct bsd_binprm bprm; |
031fe7af | 272 | TaskState *ts; |
9349b4f9 | 273 | CPUArchState *env; |
db6b81d4 | 274 | CPUState *cpu; |
29aabb4f | 275 | int optind, rv; |
84778508 | 276 | const char *r; |
fcedd920 | 277 | const char *gdbstub = NULL; |
fc0d96b4 BS |
278 | char **target_environ, **wrk; |
279 | envlist_t *envlist = NULL; | |
b8012648 | 280 | char *argv0 = NULL; |
84778508 | 281 | |
312a0b1c WL |
282 | adjust_ssize(); |
283 | ||
b23a51dc | 284 | if (argc <= 1) { |
84778508 | 285 | usage(); |
b23a51dc | 286 | } |
84778508 | 287 | |
01a298a5 WL |
288 | save_proc_pathname(argv[0]); |
289 | ||
f5852efa | 290 | error_init(argv[0]); |
fe4db84d | 291 | module_call_init(MODULE_INIT_TRACE); |
267f685b | 292 | qemu_init_cpu_list(); |
ce008c1f AF |
293 | module_call_init(MODULE_INIT_QOM); |
294 | ||
ec45bbe5 | 295 | envlist = envlist_create(); |
fc0d96b4 BS |
296 | |
297 | /* add current environment into the list */ | |
298 | for (wrk = environ; *wrk != NULL; wrk++) { | |
299 | (void) envlist_setenv(envlist, *wrk); | |
300 | } | |
301 | ||
84778508 | 302 | cpu_model = NULL; |
0c62de2f | 303 | |
6913e79c LV |
304 | qemu_add_opts(&qemu_trace_opts); |
305 | ||
84778508 | 306 | optind = 1; |
6913e79c | 307 | for (;;) { |
b23a51dc | 308 | if (optind >= argc) { |
84778508 | 309 | break; |
b23a51dc | 310 | } |
84778508 | 311 | r = argv[optind]; |
b23a51dc | 312 | if (r[0] != '-') { |
84778508 | 313 | break; |
b23a51dc | 314 | } |
84778508 BS |
315 | optind++; |
316 | r++; | |
317 | if (!strcmp(r, "-")) { | |
318 | break; | |
319 | } else if (!strcmp(r, "d")) { | |
c235d738 | 320 | if (optind >= argc) { |
84778508 | 321 | break; |
84778508 | 322 | } |
c235d738 MF |
323 | log_mask = argv[optind++]; |
324 | } else if (!strcmp(r, "D")) { | |
325 | if (optind >= argc) { | |
326 | break; | |
327 | } | |
328 | log_file = argv[optind++]; | |
fc0d96b4 BS |
329 | } else if (!strcmp(r, "E")) { |
330 | r = argv[optind++]; | |
b23a51dc | 331 | if (envlist_setenv(envlist, r) != 0) { |
fc0d96b4 | 332 | usage(); |
b23a51dc | 333 | } |
f66724c9 SW |
334 | } else if (!strcmp(r, "ignore-environment")) { |
335 | envlist_free(envlist); | |
ec45bbe5 | 336 | envlist = envlist_create(); |
fc0d96b4 BS |
337 | } else if (!strcmp(r, "U")) { |
338 | r = argv[optind++]; | |
b23a51dc | 339 | if (envlist_unsetenv(envlist, r) != 0) { |
fc0d96b4 | 340 | usage(); |
b23a51dc | 341 | } |
84778508 BS |
342 | } else if (!strcmp(r, "s")) { |
343 | r = argv[optind++]; | |
312a0b1c WL |
344 | rv = qemu_strtoul(r, &r, 0, &target_dflssiz); |
345 | if (rv < 0 || target_dflssiz <= 0) { | |
84778508 | 346 | usage(); |
b23a51dc WL |
347 | } |
348 | if (*r == 'M') { | |
312a0b1c | 349 | target_dflssiz *= 1024 * 1024; |
b23a51dc | 350 | } else if (*r == 'k' || *r == 'K') { |
312a0b1c WL |
351 | target_dflssiz *= 1024; |
352 | } | |
353 | if (target_dflssiz > target_maxssiz) { | |
354 | usage(); | |
b23a51dc | 355 | } |
84778508 BS |
356 | } else if (!strcmp(r, "L")) { |
357 | interp_prefix = argv[optind++]; | |
358 | } else if (!strcmp(r, "p")) { | |
359 | qemu_host_page_size = atoi(argv[optind++]); | |
360 | if (qemu_host_page_size == 0 || | |
361 | (qemu_host_page_size & (qemu_host_page_size - 1)) != 0) { | |
362 | fprintf(stderr, "page size must be a power of two\n"); | |
363 | exit(1); | |
364 | } | |
365 | } else if (!strcmp(r, "g")) { | |
fcedd920 | 366 | gdbstub = g_strdup(argv[optind++]); |
84778508 BS |
367 | } else if (!strcmp(r, "r")) { |
368 | qemu_uname_release = argv[optind++]; | |
369 | } else if (!strcmp(r, "cpu")) { | |
370 | cpu_model = argv[optind++]; | |
c8057f95 | 371 | if (is_help_option(cpu_model)) { |
d60c3b93 | 372 | /* XXX: implement xxx_cpu_list for targets that still miss it */ |
84778508 | 373 | #if defined(cpu_list) |
d60c3b93 | 374 | cpu_list(); |
84778508 | 375 | #endif |
2d18e637 | 376 | exit(1); |
84778508 | 377 | } |
2fa5d9ba | 378 | } else if (!strcmp(r, "B")) { |
29aabb4f WL |
379 | rv = qemu_strtoul(argv[optind++], NULL, 0, &guest_base); |
380 | if (rv < 0) { | |
381 | usage(); | |
382 | } | |
d60c3b93 | 383 | have_guest_base = true; |
84778508 | 384 | } else if (!strcmp(r, "drop-ld-preload")) { |
fc0d96b4 | 385 | (void) envlist_unsetenv(envlist, "LD_PRELOAD"); |
03ecf078 WL |
386 | } else if (!strcmp(r, "seed")) { |
387 | seed_optarg = optarg; | |
1b530a6d AJ |
388 | } else if (!strcmp(r, "singlestep")) { |
389 | singlestep = 1; | |
84778508 BS |
390 | } else if (!strcmp(r, "strace")) { |
391 | do_strace = 1; | |
6913e79c | 392 | } else if (!strcmp(r, "trace")) { |
92eecfff | 393 | trace_opt_parse(optarg); |
b8012648 CP |
394 | } else if (!strcmp(r, "0")) { |
395 | argv0 = argv[optind++]; | |
6913e79c | 396 | } else { |
84778508 BS |
397 | usage(); |
398 | } | |
399 | } | |
84778508 | 400 | |
c235d738 | 401 | /* init debug */ |
905c78fe RH |
402 | { |
403 | int mask = 0; | |
404 | if (log_mask) { | |
405 | mask = qemu_str_to_log_mask(log_mask); | |
406 | if (!mask) { | |
407 | qemu_print_log_usage(stdout); | |
408 | exit(1); | |
409 | } | |
c235d738 | 410 | } |
905c78fe | 411 | qemu_set_log_filename_flags(log_file, mask, &error_fatal); |
c235d738 MF |
412 | } |
413 | ||
4b5dfd82 PM |
414 | if (optind >= argc) { |
415 | usage(); | |
416 | } | |
417 | filename = argv[optind]; | |
b8012648 CP |
418 | if (argv0) { |
419 | argv[optind] = argv0; | |
420 | } | |
4b5dfd82 | 421 | |
6913e79c LV |
422 | if (!trace_init_backends()) { |
423 | exit(1); | |
424 | } | |
92eecfff | 425 | trace_init_file(); |
6913e79c | 426 | |
84778508 BS |
427 | /* Zero out regs */ |
428 | memset(regs, 0, sizeof(struct target_pt_regs)); | |
429 | ||
d37853f9 WL |
430 | /* Zero bsd params */ |
431 | memset(&bprm, 0, sizeof(bprm)); | |
432 | ||
84778508 BS |
433 | /* Zero out image_info */ |
434 | memset(info, 0, sizeof(struct image_info)); | |
435 | ||
436 | /* Scan interp_prefix dir for replacement files. */ | |
437 | init_paths(interp_prefix); | |
438 | ||
439 | if (cpu_model == NULL) { | |
031fe7af | 440 | cpu_model = TARGET_DEFAULT_CPU_MODEL; |
84778508 | 441 | } |
2b5249b8 | 442 | |
b86f59c7 | 443 | cpu_type = parse_cpu_option(cpu_model); |
031fe7af | 444 | |
2b5249b8 | 445 | /* init tcg before creating CPUs and to get qemu_host_page_size */ |
940e43aa CF |
446 | { |
447 | AccelClass *ac = ACCEL_GET_CLASS(current_accel()); | |
2b5249b8 | 448 | |
b86f59c7 | 449 | accel_init_interfaces(ac); |
92242f34 | 450 | ac->init_machine(NULL); |
940e43aa | 451 | } |
2278b939 | 452 | cpu = cpu_create(cpu_type); |
2994fd96 | 453 | env = cpu->env_ptr; |
db6b81d4 | 454 | cpu_reset(cpu); |
db6b81d4 | 455 | thread_cpu = cpu; |
84778508 BS |
456 | |
457 | if (getenv("QEMU_STRACE")) { | |
458 | do_strace = 1; | |
459 | } | |
460 | ||
fc0d96b4 BS |
461 | target_environ = envlist_to_environ(envlist, NULL); |
462 | envlist_free(envlist); | |
463 | ||
be04f210 | 464 | if (reserved_va) { |
95059f9c | 465 | mmap_next_start = reserved_va + 1; |
be04f210 WL |
466 | } |
467 | ||
03ecf078 WL |
468 | { |
469 | Error *err = NULL; | |
470 | if (seed_optarg != NULL) { | |
471 | qemu_guest_random_seed_main(seed_optarg, &err); | |
472 | } else { | |
473 | qcrypto_init(&err); | |
474 | } | |
475 | if (err) { | |
476 | error_reportf_err(err, "cannot initialize crypto: "); | |
477 | exit(1); | |
478 | } | |
479 | } | |
480 | ||
2fa5d9ba | 481 | /* |
fa79cde6 | 482 | * Now that page sizes are configured we can do |
2fa5d9ba BS |
483 | * proper page alignment for guest_base. |
484 | */ | |
485 | guest_base = HOST_PAGE_ALIGN(guest_base); | |
486 | ||
d37853f9 WL |
487 | if (loader_exec(filename, argv + optind, target_environ, regs, info, |
488 | &bprm) != 0) { | |
84778508 BS |
489 | printf("Error loading %s\n", filename); |
490 | _exit(1); | |
491 | } | |
492 | ||
493 | for (wrk = target_environ; *wrk; wrk++) { | |
ec45bbe5 | 494 | g_free(*wrk); |
84778508 BS |
495 | } |
496 | ||
ec45bbe5 | 497 | g_free(target_environ); |
84778508 | 498 | |
13829020 | 499 | if (qemu_loglevel_mask(CPU_LOG_PAGE)) { |
43b76161 RH |
500 | FILE *f = qemu_log_trylock(); |
501 | if (f) { | |
502 | fprintf(f, "guest_base %p\n", (void *)guest_base); | |
503 | fprintf(f, "page layout changed following binary load\n"); | |
504 | page_dump(f); | |
505 | ||
506 | fprintf(f, "start_brk 0x" TARGET_ABI_FMT_lx "\n", | |
507 | info->start_brk); | |
508 | fprintf(f, "end_code 0x" TARGET_ABI_FMT_lx "\n", | |
509 | info->end_code); | |
510 | fprintf(f, "start_code 0x" TARGET_ABI_FMT_lx "\n", | |
511 | info->start_code); | |
512 | fprintf(f, "start_data 0x" TARGET_ABI_FMT_lx "\n", | |
513 | info->start_data); | |
514 | fprintf(f, "end_data 0x" TARGET_ABI_FMT_lx "\n", | |
515 | info->end_data); | |
516 | fprintf(f, "start_stack 0x" TARGET_ABI_FMT_lx "\n", | |
517 | info->start_stack); | |
518 | fprintf(f, "brk 0x" TARGET_ABI_FMT_lx "\n", info->brk); | |
519 | fprintf(f, "entry 0x" TARGET_ABI_FMT_lx "\n", info->entry); | |
520 | ||
521 | qemu_log_unlock(f); | |
522 | } | |
2e77eac6 | 523 | } |
84778508 | 524 | |
031fe7af WL |
525 | /* build Task State */ |
526 | ts = g_new0(TaskState, 1); | |
527 | init_task_state(ts); | |
528 | ts->info = info; | |
529 | ts->bprm = &bprm; | |
530 | cpu->opaque = ts; | |
531 | ||
84778508 BS |
532 | target_set_brk(info->brk); |
533 | syscall_init(); | |
534 | signal_init(); | |
535 | ||
34bc8475 WL |
536 | /* |
537 | * Now that we've loaded the binary, GUEST_BASE is fixed. Delay | |
538 | * generating the prologue until now so that the prologue can take | |
539 | * the real value of GUEST_BASE into account. | |
540 | */ | |
b1311c4a | 541 | tcg_prologue_init(tcg_ctx); |
9002ec79 | 542 | |
031fe7af | 543 | target_cpu_init(env, regs); |
84778508 | 544 | |
fcedd920 AB |
545 | if (gdbstub) { |
546 | gdbserver_start(gdbstub); | |
db6b81d4 | 547 | gdb_handlesig(cpu, 0); |
84778508 | 548 | } |
78cfb07f | 549 | cpu_loop(env); |
84778508 BS |
550 | /* never exits */ |
551 | return 0; | |
552 | } |