diff options
Diffstat (limited to 'hw/core/machine.c')
| -rw-r--r-- | hw/core/machine.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/hw/core/machine.c b/hw/core/machine.c index 02cff735b3..61c22f723a 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -19,6 +19,7 @@ #include "qemu/error-report.h" #include "qapi/error.h" #include "qapi/qapi-visit-machine.h" +#include "qapi/qapi-commands-machine.h" #include "qemu/madvise.h" #include "qom/object_interfaces.h" #include "system/cpus.h" @@ -1696,6 +1697,24 @@ void qemu_remove_machine_init_done_notifier(Notifier *notify) notifier_remove(notify); } +static void handle_machine_dumpdtb(MachineState *ms) +{ + if (!ms->dumpdtb) { + return; + } + if (!ms->fdt) { + /* Silently ignore dumpdtb option if there is nothing to dump */ + return; + } +#ifdef CONFIG_FDT + qmp_dumpdtb(ms->dumpdtb, &error_fatal); + exit(0); +#else + error_report("This machine doesn't have an FDT"); + exit(1); +#endif +} + void qdev_machine_creation_done(void) { cpu_synchronize_all_post_init(); @@ -1712,6 +1731,12 @@ void qdev_machine_creation_done(void) phase_advance(PHASE_MACHINE_READY); qdev_assert_realized_properly(); + /* + * If the user used -machine dumpdtb=file.dtb to request that we + * dump the DTB to a file, do it now, and exit. + */ + handle_machine_dumpdtb(current_machine); + /* TODO: once all bus devices are qdevified, this should be done * when bus is created by qdev.c */ /* |