dumpdtb (-machine dumpdtb=<file>) allows one to inspect the generated device tree of machine types that generate device trees. This is useful for a) seeing what's there b) debugging/testing device tree generator patches. It can be used as follows
$QEMU_CMDLINE -machine dumpdtb=dtb dtc -I dtb -O dts dtb Signed-off-by: Andrew Jones <drjo...@redhat.com> --- hw/ppc/spapr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index a6f19473cf278..c1cbf3387ae0c 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -30,6 +30,7 @@ #include "hw/fw-path-provider.h" #include "elf.h" #include "net/net.h" +#include "sysemu/device_tree.h" #include "sysemu/block-backend.h" #include "sysemu/cpus.h" #include "sysemu/kvm.h" @@ -822,6 +823,7 @@ static void spapr_finalize_fdt(sPAPRMachineState *spapr, exit(1); } + qemu_fdt_dumpdtb(fdt, fdt_totalsize(fdt)); cpu_physical_memory_write(fdt_addr, fdt, fdt_totalsize(fdt)); g_free(bootlist); -- 2.4.3