Re: [PATCH RESEND] hw/microblaze: pass random seed to fdt

[Edgar E. Iglesias]

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 <Jason@zx2c4.com> 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 <edgar.iglesias@gmail.com>
> > Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
> > ---
> >  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