[PULL v1 0/1] Xilinx queue

[PULL v1 0/1] Xilinx queue

[Edgar E. Iglesias]

From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>

The following changes since commit 2906f933dd1de6d94c54881cc16ea7390a6ba300:

  Merge tag 'pull-request-2022-09-20' of https://gitlab.com/thuth/qemu into staging (2022-09-20 16:24:07 -0400)

are available in the Git repository at:

  git@github.com:edgarigl/qemu.git tags/edgar/xilinx-next-2022-09-21.for-upstream

for you to fetch changes up to b91b6b5a2cd83a096116929dfc8e016091080adc:

  hw/microblaze: pass random seed to fdt (2022-09-21 19:59:56 +0200)

----------------------------------------------------------------
Xilinx queue

----------------------------------------------------------------
Jason A. Donenfeld (1):
      hw/microblaze: pass random seed to fdt

 hw/microblaze/boot.c | 5 +++++
 1 file changed, 5 insertions(+)

Jason A. Donenfeld (1):
  hw/microblaze: pass random seed to fdt

 hw/microblaze/boot.c | 5 +++++
 1 file changed, 5 insertions(+)

-- 
2.25.1

[PULL v1 1/1] hw/microblaze: pass random seed to fdt

[Edgar E. Iglesias]

From: "Jason A. Donenfeld" <Jason@zx2c4.com>

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>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.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);
-- 
2.25.1

Re: [PULL v1 0/1] Xilinx queue

[Stefan Hajnoczi]

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Applied, thanks.

Please update the changelog at https://wiki.qemu.org/ChangeLog/7.2 for any user-visible changes.

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