diff options
Diffstat (limited to 'softmmu')
| -rw-r--r-- | softmmu/device_tree.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/softmmu/device_tree.c b/softmmu/device_tree.c index 6ca3fad..ce74f3d 100644 --- a/softmmu/device_tree.c +++ b/softmmu/device_tree.c @@ -26,6 +26,9 @@ #include "hw/loader.h" #include "hw/boards.h" #include "qemu/config-file.h" +#include "qapi/qapi-commands-machine.h" +#include "qapi/qmp/qdict.h" +#include "monitor/hmp.h" #include <libfdt.h> @@ -643,3 +646,37 @@ out: g_free(propcells); return ret; } + +void qmp_dumpdtb(const char *filename, Error **errp) +{ + g_autoptr(GError) err = NULL; + uint32_t size; + + if (!current_machine->fdt) { + error_setg(errp, "This machine doesn't have a FDT"); + return; + } + + size = fdt_totalsize(current_machine->fdt); + + g_assert(size > 0); + + if (!g_file_set_contents(filename, current_machine->fdt, size, &err)) { + error_setg(errp, "Error saving FDT to file %s: %s", + filename, err->message); + } +} + +void hmp_dumpdtb(Monitor *mon, const QDict *qdict) +{ + const char *filename = qdict_get_str(qdict, "filename"); + Error *local_err = NULL; + + qmp_dumpdtb(filename, &local_err); + + if (hmp_handle_error(mon, local_err)) { + return; + } + + info_report("dtb dumped to %s", filename); +} |