diff options
| author | Zhang Ning <zhangn1985@qq.com> | 2022-02-01 03:33:37 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-02-11 17:00:47 +0300 |
| commit | 0290146943af203c1a9e332e19ec76b414b0a771 (patch) | |
| tree | 6375c4b40ec89df2c7039309955825ba788fec8d /doc/README.pxe | |
| parent | 86752b2814091bd8df30bdbf38768924b60cccab (diff) | |
| download | u-boot-0290146943af203c1a9e332e19ec76b414b0a771.tar.xz | |
cmd: pxe_utils: sysboot: add kaslr-seed generation support
this will add kaslrseed keyword to sysboot lable,
when it set, it will request to genarate random number
from hwrng as kaslr-seed.
with this patch exlinux.conf label looks like
label l0
menu testing
linux /boot/vmlinuz-5.15.16-arm
initrd /boot/initramfs-5.15.16-arm.img
fdtdir /boot/dtbs/5.15.16-arm/
kaslrseed
append root=UUID=92ae1e50-eeeb-4c5b-8939-7e1cd6cfb059 ro
Tested on Khadas VIM with kernel 5.16.0-rc5-arm64, Debian 11.
Signed-off-by: Zhang Ning <zhangn1985@qq.com>
Diffstat (limited to 'doc/README.pxe')
| -rw-r--r-- | doc/README.pxe | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/README.pxe b/doc/README.pxe index a1f0423adb..75caa01c4a 100644 --- a/doc/README.pxe +++ b/doc/README.pxe @@ -163,6 +163,8 @@ fdtoverlays <path> [...] - if this label is chosen, use tftp to retrieve the DT and then applied in the load order to the fdt blob stored at the address indicated in the fdt_addr_r environment variable. +kaslrseed - set this label to request random number from hwrng as kaslr seed. + append <string> - use <string> as the kernel command line when booting this label. |