On Fri, 30 Sep 2022 08:23:38 +0900,
Jason A. Donenfeld wrote:
>
> When the system reboots, the rng-seed that the FDT has should be
> re-randomized, so that the new boot gets a new seed. Since the FDT is in
> the ROM region at this point, we add a hook right after the ROM has been
> added, so that we have a pointer to that copy of the FDT.
>
> Cc: Yoshinori Sato <ys...@users.sourceforge.jp>
> Signed-off-by: Jason A. Donenfeld <ja...@zx2c4.com>
> ---
> hw/rx/rx-gdbsim.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/hw/rx/rx-gdbsim.c b/hw/rx/rx-gdbsim.c
> index 8ffe1b8035..198d048964 100644
> --- a/hw/rx/rx-gdbsim.c
> +++ b/hw/rx/rx-gdbsim.c
> @@ -25,6 +25,7 @@
> #include "hw/rx/rx62n.h"
> #include "sysemu/qtest.h"
> #include "sysemu/device_tree.h"
> +#include "sysemu/reset.h"
> #include "hw/boards.h"
> #include "qom/object.h"
>
> @@ -148,6 +149,8 @@ static void rx_gdbsim_init(MachineState *machine)
> dtb_offset = ROUND_DOWN(machine->ram_size - dtb_size, 16);
> rom_add_blob_fixed("dtb", dtb, dtb_size,
> SDRAM_BASE + dtb_offset);
> + qemu_register_reset(qemu_fdt_randomize_seeds,
> + rom_ptr(SDRAM_BASE + dtb_offset, dtb_size));
> /* Set dtb address to R1 */
> RX_CPU(first_cpu)->env.regs[1] = SDRAM_BASE + dtb_offset;
> }
> --
> 2.37.3
>
Reviewed-by: Yoshinori Sato <ys...@user.sourceforge.jp>
--
Yosinori Sato
