The CPU type invalidation logic in machine_run_board_init() is independent enough. Lets factor it out into helper validate_cpu_type(). Since we're here, the relevant comments are improved a bit.
No functional change intended. Signed-off-by: Gavin Shan <gs...@redhat.com> --- hw/core/machine.c | 81 +++++++++++++++++++++++++---------------------- 1 file changed, 43 insertions(+), 38 deletions(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index f0d35c6401..68b866c762 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -1349,12 +1349,52 @@ out: return r; } +static void validate_cpu_type(MachineState *machine) +{ + MachineClass *machine_class = MACHINE_GET_CLASS(machine); + ObjectClass *oc = object_class_by_name(machine->cpu_type); + CPUClass *cc = CPU_CLASS(oc); + int i; + + /* + * Check if the user-specified CPU type is supported when the valid + * CPU types have been determined. Note that the user-specified CPU + * type is given by '-cpu' option. + */ + if (!machine->cpu_type || !machine_class->valid_cpu_types) { + goto out_no_check; + } + + for (i = 0; machine_class->valid_cpu_types[i]; i++) { + if (object_class_dynamic_cast(oc, machine_class->valid_cpu_types[i])) { + break; + } + } + + if (!machine_class->valid_cpu_types[i]) { + /* The user-specified CPU type is invalid */ + error_report("Invalid CPU type: %s", machine->cpu_type); + error_printf("The valid types are: %s", + machine_class->valid_cpu_types[0]); + for (i = 1; machine_class->valid_cpu_types[i]; i++) { + error_printf(", %s", machine_class->valid_cpu_types[i]); + } + error_printf("\n"); + + exit(1); + } + + /* Check if CPU type is deprecated and warn if so */ +out_no_check: + if (cc && cc->deprecation_note) { + warn_report("CPU model %s is deprecated -- %s", + machine->cpu_type, cc->deprecation_note); + } +} void machine_run_board_init(MachineState *machine, const char *mem_path, Error **errp) { MachineClass *machine_class = MACHINE_GET_CLASS(machine); - ObjectClass *oc = object_class_by_name(machine->cpu_type); - CPUClass *cc; /* This checkpoint is required by replay to separate prior clock reading from the other reads, because timer polling functions query @@ -1405,42 +1445,7 @@ void machine_run_board_init(MachineState *machine, const char *mem_path, Error * machine->ram = machine_consume_memdev(machine, machine->memdev); } - /* If the machine supports the valid_cpu_types check and the user - * specified a CPU with -cpu check here that the user CPU is supported. - */ - if (machine_class->valid_cpu_types && machine->cpu_type) { - int i; - - for (i = 0; machine_class->valid_cpu_types[i]; i++) { - if (object_class_dynamic_cast(oc, - machine_class->valid_cpu_types[i])) { - /* The user specificed CPU is in the valid field, we are - * good to go. - */ - break; - } - } - - if (!machine_class->valid_cpu_types[i]) { - /* The user specified CPU is not valid */ - error_report("Invalid CPU type: %s", machine->cpu_type); - error_printf("The valid types are: %s", - machine_class->valid_cpu_types[0]); - for (i = 1; machine_class->valid_cpu_types[i]; i++) { - error_printf(", %s", machine_class->valid_cpu_types[i]); - } - error_printf("\n"); - - exit(1); - } - } - - /* Check if CPU type is deprecated and warn if so */ - cc = CPU_CLASS(oc); - if (cc && cc->deprecation_note) { - warn_report("CPU model %s is deprecated -- %s", machine->cpu_type, - cc->deprecation_note); - } + validate_cpu_type(machine); if (machine->cgs) { /* -- 2.41.0