diff options
Diffstat (limited to 'softmmu/vl.c')
| -rw-r--r-- | softmmu/vl.c | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/softmmu/vl.c b/softmmu/vl.c index 3e15ee2435..f3ff5d06ca 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -489,6 +489,11 @@ static QemuOptsList qemu_fw_cfg_opts = { .name = "string", .type = QEMU_OPT_STRING, .help = "Sets content of the blob to be inserted from a string", + }, { + .name = "gen_id", + .type = QEMU_OPT_STRING, + .help = "Sets id of the object generating the fw_cfg blob " + "to be inserted", }, { /* end of list */ } }, @@ -1772,8 +1777,8 @@ static bool vga_interface_available(VGAInterfaceType t) assert(t < VGA_TYPE_MAX); return !ti->class_names[0] || - object_class_by_name(ti->class_names[0]) || - object_class_by_name(ti->class_names[1]); + module_object_class_by_name(ti->class_names[0]) || + module_object_class_by_name(ti->class_names[1]); } static const char * @@ -2020,7 +2025,7 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) { gchar *buf; size_t size; - const char *name, *file, *str; + const char *name, *file, *str, *gen_id; FWCfgState *fw_cfg = (FWCfgState *) opaque; if (fw_cfg == NULL) { @@ -2030,14 +2035,13 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) name = qemu_opt_get(opts, "name"); file = qemu_opt_get(opts, "file"); str = qemu_opt_get(opts, "string"); + gen_id = qemu_opt_get(opts, "gen_id"); - /* we need name and either a file or the content string */ - if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) { - error_setg(errp, "invalid argument(s)"); - return -1; - } - if (nonempty_str(file) && nonempty_str(str)) { - error_setg(errp, "file and string are mutually exclusive"); + /* we need the name, and exactly one of: file, content string, gen_id */ + if (!nonempty_str(name) || + nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) { + error_setg(errp, "name, plus exactly one of file," + " string and gen_id, are needed"); return -1; } if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { @@ -2045,13 +2049,28 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) FW_CFG_MAX_FILE_PATH - 1); return -1; } - if (strncmp(name, "opt/", 4) != 0) { + if (nonempty_str(gen_id)) { + /* + * In this particular case where the content is populated + * internally, the "etc/" namespace protection is relaxed, + * so do not emit a warning. + */ + } else if (strncmp(name, "opt/", 4) != 0) { warn_report("externally provided fw_cfg item names " "should be prefixed with \"opt/\""); } if (nonempty_str(str)) { size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ buf = g_memdup(str, size); + } else if (nonempty_str(gen_id)) { + Error *local_err = NULL; + + fw_cfg_add_from_generator(fw_cfg, name, gen_id, errp); + if (local_err) { + error_propagate(errp, local_err); + return -1; + } + return 0; } else { GError *err = NULL; if (!g_file_get_contents(file, &buf, &size, &err)) { @@ -3832,17 +3851,7 @@ void qemu_init(int argc, char **argv, char **envp) machine_class); os_daemonize(); - - /* - * If QTest is enabled, keep the rcu_atfork enabled, since system processes - * may be forked testing purposes (e.g. fork-server based fuzzing) The fork - * should happen before a signle cpu instruction is executed, to prevent - * deadlocks. See commit 73c6e40, rcu: "completely disable pthread_atfork - * callbacks as soon as possible" - */ - if (!qtest_enabled()) { - rcu_disable_atfork(); - } + rcu_disable_atfork(); if (pid_file && !qemu_write_pidfile(pid_file, &err)) { error_reportf_err(err, "cannot create PID file: "); @@ -4131,12 +4140,17 @@ void qemu_init(int argc, char **argv, char **envp) fsdev_init_func, NULL, &error_fatal); #endif + /* spice needs the timers to be initialized by this point */ + /* spice must initialize before audio as it changes the default auiodev */ + qemu_spice_init(); + /* - * Note: we need to create block backends before + * Note: we need to create audio and block backends before * machine_set_property(), so machine properties can refer to * them. */ configure_blockdev(&bdo_queue, machine_class, snapshot); + audio_init_audiodevs(); machine_opts = qemu_get_machine_opts(); qemu_opt_foreach(machine_opts, machine_set_property, current_machine, @@ -4230,9 +4244,6 @@ void qemu_init(int argc, char **argv, char **envp) semihosting_arg_fallback(kernel_filename, kernel_cmdline); } - /* spice needs the timers to be initialized by this point */ - qemu_spice_init(); - cpu_ticks_init(); if (default_net) { @@ -4342,8 +4353,6 @@ void qemu_init(int argc, char **argv, char **envp) create_default_memdev(current_machine, mem_path); } - audio_init_audiodevs(); - /* from here on runstate is RUN_STATE_PRELAUNCH */ machine_run_board_init(current_machine); |