diff options
| -rw-r--r-- | hw/m68k/q800.c | 7 | ||||
| -rw-r--r-- | hw/m68k/virt.c | 8 | ||||
| -rw-r--r-- | include/standard-headers/asm-m68k/bootinfo-virt.h | 4 | ||||
| -rw-r--r-- | include/standard-headers/asm-m68k/bootinfo.h | 8 |
4 files changed, 21 insertions, 6 deletions
diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index 101ab0f..a4590c2 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -23,6 +23,7 @@ #include "qemu/osdep.h" #include "qemu/units.h" #include "qemu/datadir.h" +#include "qemu/guest-random.h" #include "sysemu/sysemu.h" #include "cpu.h" #include "hw/boards.h" @@ -385,6 +386,7 @@ static void q800_init(MachineState *machine) NubusBus *nubus; DeviceState *glue; DriveInfo *dinfo; + uint8_t rng_seed[32]; linux_boot = (kernel_filename != NULL); @@ -634,6 +636,11 @@ static void q800_init(MachineState *machine) kernel_cmdline); } + /* Pass seed to RNG. */ + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + BOOTINFODATA(cs->as, parameters_base, BI_RNG_SEED, + rng_seed, sizeof(rng_seed)); + /* load initrd */ if (initrd_filename) { initrd_size = get_image_size(initrd_filename); diff --git a/hw/m68k/virt.c b/hw/m68k/virt.c index 2f3ffc0..f7b903e 100644 --- a/hw/m68k/virt.c +++ b/hw/m68k/virt.c @@ -248,10 +248,10 @@ static void virt_init(MachineState *machine) kernel_cmdline); } - /* Pass seed to RNG. */ - qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); - BOOTINFODATA(cs->as, parameters_base, BI_VIRT_RNG_SEED, - rng_seed, sizeof(rng_seed)); + /* Pass seed to RNG. */ + qemu_guest_getrandom_nofail(rng_seed, sizeof(rng_seed)); + BOOTINFODATA(cs->as, parameters_base, BI_RNG_SEED, + rng_seed, sizeof(rng_seed)); /* load initrd */ if (initrd_filename) { diff --git a/include/standard-headers/asm-m68k/bootinfo-virt.h b/include/standard-headers/asm-m68k/bootinfo-virt.h index 1b1ffd4..75ac6bb 100644 --- a/include/standard-headers/asm-m68k/bootinfo-virt.h +++ b/include/standard-headers/asm-m68k/bootinfo-virt.h @@ -12,7 +12,9 @@ #define BI_VIRT_GF_TTY_BASE 0x8003 #define BI_VIRT_VIRTIO_BASE 0x8004 #define BI_VIRT_CTRL_BASE 0x8005 -#define BI_VIRT_RNG_SEED 0x8006 + +/* No longer used -- replaced with BI_RNG_SEED -- but don't reuse this index: + * #define BI_VIRT_RNG_SEED 0x8006 */ #define VIRT_BOOTI_VERSION MK_BI_VERSION(2, 0) diff --git a/include/standard-headers/asm-m68k/bootinfo.h b/include/standard-headers/asm-m68k/bootinfo.h index 7b790e8..b7a8dd2 100644 --- a/include/standard-headers/asm-m68k/bootinfo.h +++ b/include/standard-headers/asm-m68k/bootinfo.h @@ -57,7 +57,13 @@ struct mem_info { /* (struct mem_info) */ #define BI_COMMAND_LINE 0x0007 /* kernel command line parameters */ /* (string) */ - +/* + * A random seed used to initialize the RNG. Record format: + * + * - length [ 2 bytes, 16-bit big endian ] + * - seed data [ `length` bytes, padded to preserve 4-byte struct alignment ] + */ +#define BI_RNG_SEED 0x0008 /* * Linux/m68k Architectures (BI_MACHTYPE) |