2  *  qemu bsd user main
4  *  Copyright (c) 2003-2008 Fabrice Bellard
5  *  Copyright (c) 2013-14 Stacey Son
25 #include "qemu/help-texts.h"
28 #include "qemu-version.h"
33 #include "qemu/config-file.h"
34 #include "qemu/error-report.h"
39 #include "user/guest-base.h"
40 #include "user/page-protection.h"
48 #include "qemu/guest-random.h"
49 #include "gdbstub/user.h"
50 #include "exec/page-vary.h"
52 #include "host-os.h"
67  * When running 32-on-64 we should make sure we can fit all of the possible
73  * Many cpus reserve the high bit (or more than one for some 64-bit cpus)
74  * of the address for the kernel.  Some cpus rely on this and user space
84 #   define MAX_RESERVED_VA(CPU)  ((1ul << TARGET_VIRT_ADDR_SPACE_BITS) - 1)
133         get_task_state(thread_cpu)->ts_tid = qemu_get_thread_id();  in fork_end()
153     printf("qemu-" TARGET_NAME " version " QEMU_FULL_VERSION  in usage()
155            "usage: qemu-" TARGET_NAME " [options] program [arguments...]\n"  in usage()
159            "-h                print this help\n"  in usage()
160            "-g port           wait gdb connection to port\n"  in usage()
161            "-L path           set the elf interpreter prefix (default=%s)\n"  in usage()
162            "-s size           set the stack size in bytes (default=%ld)\n"  in usage()
163            "-cpu model        select CPU (-cpu help for list)\n"  in usage()
164            "-drop-ld-preload  drop LD_PRELOAD for target process\n"  in usage()
165            "-E var=value      sets/modifies targets environment variable(s)\n"  in usage()
166            "-U var            unsets targets environment variable(s)\n"  in usage()
167            "-B address        set guest_base address to address\n"  in usage()
170            "-d item1[,...]    enable logging of specified items\n"  in usage()
171            "                  (use '-d help' for a list of log items)\n"  in usage()
172            "-D logfile        write logs to 'logfile' (default stderr)\n"  in usage()
173            "-one-insn-per-tb  run with one guest instruction per emulated TB\n"  in usage()
174            "-tb-size size     TCG translation block cache size\n"  in usage()
175            "-strace           log system calls\n"  in usage()
176            "-trace            [[enable=]<pattern>][,events=<file>][,file=<file>]\n"  in usage()
179            "-plugin           [file=]<file>[,<argname>=<argvalue>]\n"  in usage()
185            "You can use -E and -U options to set/unset environment variables\n"  in usage()
188            "    -E var1=val2 -E var2=val2 -U LD_PRELOAD -U LD_DEBUG\n"  in usage()
224     ts->sigaltstack_used = (struct target_sigaltstack) {  in init_task_state()
231 static QemuPluginList plugins = QTAILQ_HEAD_INITIALIZER(plugins);  variable
305         wrk--;  in main()
323         if (r[0] != '-') {  in main()
328         if (!strcmp(r, "-")) {  in main()
345         } else if (!strcmp(r, "ignore-environment")) {  in main()
393         } else if (!strcmp(r, "drop-ld-preload")) {  in main()
397         } else if (!strcmp(r, "one-insn-per-tb")) {  in main()
399         } else if (!strcmp(r, "tb-size")) {  in main()
411             qemu_plugin_opt_parse(r, &plugins);  in main()
420     qemu_host_page_mask = -qemu_host_page_size;  in main()
447     qemu_plugin_load_list(&plugins, &error_fatal);  in main()
473         object_property_set_bool(OBJECT(accel), "one-insn-per-tb",  in main()
475         object_property_set_int(OBJECT(accel), "tb-size",  in main()
477         ac->init_machine(NULL);  in main()
497      * by the command-line option, but not by default. Unless we're running a  in main()
557      * Combined with '-B', ensure that the chosen range is free.  in main()
564                      MAP_ANON | MAP_PRIVATE | MAP_FIXED | MAP_EXCL, -1, 0);  in main()
567                      MAP_ANON | MAP_PRIVATE, -1, 0);  in main()
574                 error_report("Cannot allocate %s bytes at -B %p for guest "  in main()
612                     info->end_code);  in main()
614                     info->start_code);  in main()
616                     info->start_data);  in main()
618                     info->end_data);  in main()
620                     info->start_stack);  in main()
621             fprintf(f, "brk         0x" TARGET_ABI_FMT_lx "\n", info->brk);  in main()
622             fprintf(f, "entry       0x" TARGET_ABI_FMT_lx "\n", info->entry);  in main()
628     /* build Task State */  in main()
631     ts->info = info;  in main()
632     ts->bprm = &bprm;  in main()
633     ts->ts_tid = qemu_get_thread_id();  in main()
634     cpu->opaque = ts;  in main()
636     target_set_brk(info->brk);  in main()