On Wed, Sep 21, 2022 at 12:32:37PM +0200, Jason A. Donenfeld wrote:
> On Thu, Sep 8, 2022 at 11:40 AM Jason A. Donenfeld wrote:
> >
> > If the FDT contains /chosen/rng-seed, then the Linux RNG will use it to
> > initialize early. Set this using the usual guest random number
> > generation function. This FDT node is part of the DT specification.
> >
> > Reviewed-by: Edgar E. Iglesias
> > Signed-off-by: Jason A. Donenfeld
> > ---
> > hw/microblaze/boot.c | 5 +
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/hw/microblaze/boot.c b/hw/microblaze/boot.c
> > index 8b92a9801a..25ad54754e 100644
> > --- a/hw/microblaze/boot.c
> > +++ b/hw/microblaze/boot.c
> > @@ -30,6 +30,7 @@
> > #include "qemu/option.h"
> > #include "qemu/config-file.h"
> > #include "qemu/error-report.h"
> > +#include "qemu/guest-random.h"
> > #include "sysemu/device_tree.h"
> > #include "sysemu/reset.h"
> > #include "hw/boards.h"
> > @@ -75,6 +76,7 @@ static int microblaze_load_dtb(hwaddr addr,
> > int fdt_size;
> > void *fdt = NULL;
> > int r;
> > +uint8_t rng_seed[32];
> >
> > if (dtb_filename) {
> > fdt = load_device_tree(dtb_filename, &fdt_size);
> > @@ -83,6 +85,9 @@ static int microblaze_load_dtb(hwaddr addr,
> > return 0;
> > }
> >
> > +qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed));
> > +qemu_fdt_setprop(fdt, "/chosen", "rng-seed", rng_seed,
> > sizeof(rng_seed));
> > +
> > if (kernel_cmdline) {
> > r = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs",
> > kernel_cmdline);
> > --
> > 2.37.3
> >
>
> Bumping this patch. Could somebody queue this up?
Hi Jason,
I've just sent a pull-request with this patch.
Thanks,
Edgar
