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authorZhang Ning2022-02-01 08:33:37 +0800
committerTom Rini2022-02-11 09:00:47 -0500
commit0290146943af203c1a9e332e19ec76b414b0a771 (patch)
tree6375c4b40ec89df2c7039309955825ba788fec8d /doc/README.pxe
parent86752b2814091bd8df30bdbf38768924b60cccab (diff)
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.pxe2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/README.pxe b/doc/README.pxe
index a1f0423adbe..75caa01c4a1 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.