diff options
| -rw-r--r-- | hw/ppc/e500.c | 5 | ||||
| -rw-r--r-- | hw/ppc/spapr.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c index 757cfaa62f..32495d0123 100644 --- a/hw/ppc/e500.c +++ b/hw/ppc/e500.c @@ -17,6 +17,7 @@ #include "qemu/osdep.h" #include "qemu/datadir.h" #include "qemu/units.h" +#include "qemu/guest-random.h" #include "qapi/error.h" #include "e500.h" #include "e500-ccsr.h" @@ -346,6 +347,7 @@ static int ppce500_load_device_tree(PPCE500MachineState *pms, }; const char *dtb_file = machine->dtb; const char *toplevel_compat = machine->dt_compatible; + uint8_t rng_seed[32]; if (dtb_file) { char *filename; @@ -403,6 +405,9 @@ static int ppce500_load_device_tree(PPCE500MachineState *pms, if (ret < 0) fprintf(stderr, "couldn't set /chosen/bootargs\n"); + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + qemu_fdt_setprop(fdt, "/chosen", "rng-seed", rng_seed, sizeof(rng_seed)); + if (kvm_enabled()) { /* Read out host's frequencies */ clock_freq = kvmppc_get_clockfreq(); diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 9a5382d527..3a5112899e 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -27,6 +27,7 @@ #include "qemu/osdep.h" #include "qemu/datadir.h" #include "qemu/memalign.h" +#include "qemu/guest-random.h" #include "qapi/error.h" #include "qapi/qapi-events-machine.h" #include "qapi/qapi-events-qdev.h" @@ -1014,6 +1015,7 @@ static void spapr_dt_chosen(SpaprMachineState *spapr, void *fdt, bool reset) { MachineState *machine = MACHINE(spapr); SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(machine); + uint8_t rng_seed[32]; int chosen; _FDT(chosen = fdt_add_subnode(fdt, 0, "chosen")); @@ -1091,6 +1093,9 @@ static void spapr_dt_chosen(SpaprMachineState *spapr, void *fdt, bool reset) spapr_dt_ov5_platform_support(spapr, fdt, chosen); } + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + _FDT(fdt_setprop(fdt, chosen, "rng-seed", rng_seed, sizeof(rng_seed))); + _FDT(spapr_dt_ovec(fdt, chosen, spapr->ov5_cas, "ibm,architecture-vec-5")); } |