diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2022-10-25 02:43:26 +0200 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-10-25 17:32:24 +0100 |
| commit | 5862f312b3849f798c2748623a5ed22e8e9e4ff9 (patch) | |
| tree | 9e5029d103fc172fe371e9d7f9565b0968536116 | |
| parent | 0a3ac01929d04544d6e42d5e999abdb557cbc053 (diff) | |
openrisc: re-randomize rng-seed on reboot
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: Stafford Horne <shorne@gmail.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Message-id: 20221025004327.568476-11-Jason@zx2c4.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/openrisc/boot.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/openrisc/boot.c b/hw/openrisc/boot.c index 128ccbcba2..007e80cd5a 100644 --- a/hw/openrisc/boot.c +++ b/hw/openrisc/boot.c @@ -14,6 +14,7 @@ #include "hw/openrisc/boot.h" #include "sysemu/device_tree.h" #include "sysemu/qtest.h" +#include "sysemu/reset.h" #include <libfdt.h> @@ -111,6 +112,8 @@ uint32_t openrisc_load_fdt(void *fdt, hwaddr load_start, rom_add_blob_fixed_as("fdt", fdt, fdtsize, fdt_addr, &address_space_memory); + qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds, + rom_ptr_for_as(&address_space_memory, fdt_addr, fdtsize)); return fdt_addr; } |