diff options
Diffstat (limited to 'softmmu/vl.c')
| -rw-r--r-- | softmmu/vl.c | 231 |
1 files changed, 65 insertions, 166 deletions
diff --git a/softmmu/vl.c b/softmmu/vl.c index 488cc4d09e..817d515783 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -159,11 +159,11 @@ static const char *mem_path; static const char *incoming; static const char *loadvm; static const char *accelerators; +static bool have_custom_ram_size; +static const char *ram_memdev_id; static QDict *machine_opts_dict; static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts); static QTAILQ_HEAD(, DeviceOption) device_opts = QTAILQ_HEAD_INITIALIZER(device_opts); -static ram_addr_t maxram_size; -static uint64_t ram_slots; static int display_remote; static int snapshot; static bool preconfig_requested; @@ -171,7 +171,6 @@ static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list); static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); static bool nographic = false; static int mem_prealloc; /* force preallocation of physical target memory */ -static ram_addr_t ram_size; static const char *vga_model = NULL; static DisplayOptions dpy; static int num_serial_hds; @@ -1736,6 +1735,7 @@ static void keyval_dashify(QDict *qdict, Error **errp) static void qemu_apply_legacy_machine_options(QDict *qdict) { const char *value; + QObject *prop; keyval_dashify(qdict, &error_fatal); @@ -1768,6 +1768,26 @@ static void qemu_apply_legacy_machine_options(QDict *qdict) false); qdict_del(qdict, "kernel-irqchip"); } + + value = qdict_get_try_str(qdict, "memory-backend"); + if (value) { + if (mem_path) { + error_report("'-mem-path' can't be used together with" + "'-machine memory-backend'"); + exit(EXIT_FAILURE); + } + + /* Resolved later. */ + ram_memdev_id = g_strdup(value); + qdict_del(qdict, "memory-backend"); + } + + prop = qdict_get(qdict, "memory"); + if (prop) { + have_custom_ram_size = + qobject_type(prop) == QTYPE_QDICT && + qdict_haskey(qobject_to(QDict, prop), "size"); + } } static void object_option_foreach_add(bool (*type_opt_predicate)(const char *)) @@ -1884,38 +1904,7 @@ static bool object_create_early(const char *type) static void qemu_apply_machine_options(QDict *qdict) { - MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); - const char *boot_order = NULL; - const char *boot_once = NULL; - QemuOpts *opts; - object_set_properties_from_keyval(OBJECT(current_machine), qdict, false, &error_fatal); - current_machine->ram_size = ram_size; - current_machine->maxram_size = maxram_size; - current_machine->ram_slots = ram_slots; - - opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL); - if (opts) { - boot_order = qemu_opt_get(opts, "order"); - if (boot_order) { - validate_bootdevices(boot_order, &error_fatal); - } - - boot_once = qemu_opt_get(opts, "once"); - if (boot_once) { - validate_bootdevices(boot_once, &error_fatal); - } - - boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu); - boot_strict = qemu_opt_get_bool(opts, "strict", false); - } - - if (!boot_order) { - boot_order = machine_class->default_boot_order; - } - - current_machine->boot_order = boot_order; - current_machine->boot_once = boot_once; if (semihosting_enabled() && !semihosting_get_argc()) { /* fall back to the -kernel/-append */ @@ -2026,125 +2015,67 @@ static void qemu_create_late_backends(void) qemu_semihosting_console_init(); } -static bool have_custom_ram_size(void) -{ - QemuOpts *opts = qemu_find_opts_singleton("memory"); - return !!qemu_opt_get_size(opts, "size", 0); -} - static void qemu_resolve_machine_memdev(void) { - if (current_machine->ram_memdev_id) { + if (ram_memdev_id) { Object *backend; ram_addr_t backend_size; - backend = object_resolve_path_type(current_machine->ram_memdev_id, + backend = object_resolve_path_type(ram_memdev_id, TYPE_MEMORY_BACKEND, NULL); if (!backend) { - error_report("Memory backend '%s' not found", - current_machine->ram_memdev_id); - exit(EXIT_FAILURE); - } - backend_size = object_property_get_uint(backend, "size", &error_abort); - if (have_custom_ram_size() && backend_size != ram_size) { - error_report("Size specified by -m option must match size of " - "explicitly specified 'memory-backend' property"); - exit(EXIT_FAILURE); - } - if (mem_path) { - error_report("'-mem-path' can't be used together with" - "'-machine memory-backend'"); + error_report("Memory backend '%s' not found", ram_memdev_id); exit(EXIT_FAILURE); } - ram_size = backend_size; - } - - if (!xen_enabled()) { - /* On 32-bit hosts, QEMU is limited by virtual address space */ - if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) { - error_report("at most 2047 MB RAM can be simulated"); - exit(1); + if (!have_custom_ram_size) { + backend_size = object_property_get_uint(backend, "size", &error_abort); + current_machine->ram_size = backend_size; } + object_property_set_link(OBJECT(current_machine), + "memory-backend", backend, &error_fatal); } } -static void set_memory_options(MachineClass *mc) +static void parse_memory_options(const char *arg) { - uint64_t sz; + QemuOpts *opts; + QDict *dict, *prop; const char *mem_str; - const ram_addr_t default_ram_size = mc->default_ram_size; - QemuOpts *opts = qemu_find_opts_singleton("memory"); - Location loc; - loc_push_none(&loc); - qemu_opts_loc_restore(opts); + opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), arg, true); + if (!opts) { + exit(EXIT_FAILURE); + } + + prop = qdict_new(); - sz = 0; - mem_str = qemu_opt_get(opts, "size"); - if (mem_str) { + if (qemu_opt_get_size(opts, "size", 0) != 0) { + mem_str = qemu_opt_get(opts, "size"); if (!*mem_str) { error_report("missing 'size' option value"); exit(EXIT_FAILURE); } - sz = qemu_opt_get_size(opts, "size", ram_size); - /* Fix up legacy suffix-less format */ if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { - uint64_t overflow_check = sz; - - sz *= MiB; - if (sz / MiB != overflow_check) { - error_report("too large 'size' option value"); - exit(EXIT_FAILURE); - } + g_autofree char *mib_str = g_strdup_printf("%sM", mem_str); + qdict_put_str(prop, "size", mib_str); + } else { + qdict_put_str(prop, "size", mem_str); } } - /* backward compatibility behaviour for case "-m 0" */ - if (sz == 0) { - sz = default_ram_size; - } - - sz = QEMU_ALIGN_UP(sz, 8192); - if (mc->fixup_ram_size) { - sz = mc->fixup_ram_size(sz); - } - ram_size = sz; - if (ram_size != sz) { - error_report("ram size too large"); - exit(EXIT_FAILURE); - } - - maxram_size = ram_size; - if (qemu_opt_get(opts, "maxmem")) { - uint64_t slots; - - sz = qemu_opt_get_size(opts, "maxmem", 0); - slots = qemu_opt_get_number(opts, "slots", 0); - if (sz < ram_size) { - error_report("invalid value of -m option maxmem: " - "maximum memory size (0x%" PRIx64 ") must be at least " - "the initial memory size (0x" RAM_ADDR_FMT ")", - sz, ram_size); - exit(EXIT_FAILURE); - } else if (slots && sz == ram_size) { - error_report("invalid value of -m option maxmem: " - "memory slots were specified but maximum memory size " - "(0x%" PRIx64 ") is equal to the initial memory size " - "(0x" RAM_ADDR_FMT ")", sz, ram_size); - exit(EXIT_FAILURE); - } - - maxram_size = sz; - ram_slots = slots; - } else if (qemu_opt_get(opts, "slots")) { - error_report("invalid -m option value: missing 'maxmem' option"); - exit(EXIT_FAILURE); + qdict_put_str(prop, "max-size", qemu_opt_get(opts, "maxmem")); + } + if (qemu_opt_get(opts, "slots")) { + qdict_put_str(prop, "slots", qemu_opt_get(opts, "slots")); } - loc_pop(&loc); + dict = qdict_new(); + qdict_put(dict, "memory", prop); + keyval_merge(machine_opts_dict, dict, &error_fatal); + qobject_unref(dict); } static void qemu_create_machine(QDict *qdict) @@ -2152,8 +2083,6 @@ static void qemu_create_machine(QDict *qdict) MachineClass *machine_class = select_machine(qdict, &error_fatal); object_set_machine_compat_props(machine_class->compat_props); - set_memory_options(machine_class); - current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class))); object_property_add_child(object_get_root(), "machine", OBJECT(current_machine)); @@ -2212,7 +2141,9 @@ static bool is_qemuopts_group(const char *group) { if (g_str_equal(group, "object") || g_str_equal(group, "machine") || - g_str_equal(group, "smp-opts")) { + g_str_equal(group, "smp-opts") || + g_str_equal(group, "boot-opts") || + g_str_equal(group, "memory")) { return false; } return true; @@ -2234,6 +2165,10 @@ static void qemu_record_config_group(const char *group, QDict *dict, keyval_merge(machine_opts_dict, dict, errp); } else if (g_str_equal(group, "smp-opts")) { machine_merge_property("smp", dict, &error_fatal); + } else if (g_str_equal(group, "boot-opts")) { + machine_merge_property("boot", dict, &error_fatal); + } else if (g_str_equal(group, "memory")) { + machine_merge_property("memory", dict, &error_fatal); } else { abort(); } @@ -2440,27 +2375,6 @@ static void configure_accelerators(const char *progname) } } -static void create_default_memdev(MachineState *ms, const char *path) -{ - Object *obj; - MachineClass *mc = MACHINE_GET_CLASS(ms); - - obj = object_new(path ? TYPE_MEMORY_BACKEND_FILE : TYPE_MEMORY_BACKEND_RAM); - if (path) { - object_property_set_str(obj, "mem-path", path, &error_fatal); - } - object_property_set_int(obj, "size", ms->ram_size, &error_fatal); - object_property_add_child(object_get_objects_root(), mc->default_ram_id, - obj); - /* Ensure backend's memory region name is equal to mc->default_ram_id */ - object_property_set_bool(obj, "x-use-canonical-path-for-ramblock-id", - false, &error_fatal); - user_creatable_complete(USER_CREATABLE(obj), &error_fatal); - object_unref(obj); - object_property_set_str(OBJECT(ms), "memory-backend", mc->default_ram_id, - &error_fatal); -} - static void qemu_validate_options(const QDict *machine_opts) { const char *kernel_filename = qdict_get_try_str(machine_opts, "kernel"); @@ -2645,18 +2559,11 @@ static void qemu_init_displays(void) static void qemu_init_board(void) { - MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); - - if (machine_class->default_ram_id && current_machine->ram_size && - numa_uses_legacy_mem() && !current_machine->ram_memdev_id) { - create_default_memdev(current_machine, mem_path); - } - /* process plugin before CPUs are created, but once -smp has been parsed */ qemu_plugin_load_list(&plugin_list, &error_fatal); /* From here on we enter MACHINE_PHASE_INITIALIZED. */ - machine_run_board_init(current_machine); + machine_run_board_init(current_machine, mem_path, &error_fatal); drive_check_orphaned(); @@ -2979,11 +2886,7 @@ void qemu_init(int argc, char **argv, char **envp) drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); break; case QEMU_OPTION_boot: - opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"), - optarg, true); - if (!opts) { - exit(1); - } + machine_parse_property_opt(qemu_find_opts("boot-opts"), "boot", optarg); break; case QEMU_OPTION_fda: case QEMU_OPTION_fdb: @@ -3038,11 +2941,7 @@ void qemu_init(int argc, char **argv, char **envp) exit(0); break; case QEMU_OPTION_m: - opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), - optarg, true); - if (!opts) { - exit(EXIT_FAILURE); - } + parse_memory_options(optarg); break; #ifdef CONFIG_TPM case QEMU_OPTION_tpmdev: @@ -3732,7 +3631,7 @@ void qemu_init(int argc, char **argv, char **envp) machine_class = MACHINE_GET_CLASS(current_machine); if (!qtest_enabled() && machine_class->deprecation_reason) { - error_report("Machine type '%s' is deprecated: %s", + warn_report("Machine type '%s' is deprecated: %s", machine_class->name, machine_class->deprecation_reason); } |