powerpc: Detect the secure boot mode of the system

Browse source

This patch defines a function to detect the secure boot state of a
PowerNV system.

The PPC_SECURE_BOOT config represents the base enablement of secure
boot for powerpc.

Signed-off-by: Nayna Jain <nayna@linux.ibm.com>
Signed-off-by: Eric Richter <erichte@linux.ibm.com>
[mpe: Fold in change from Nayna to add "ibm,secureboot" to ids]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/46b003b9-3225-6bf7-9101-ed6580bb748c@linux.ibm.com

...

This commit is contained in:

Nayna Jain 2019-11-05 17:00:22 -06:00 • committed by Michael Ellerman

parent da0c9ea146

commit 1a8916ee3a

4 changed files with 70 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

arch/powerpc/Kconfig

View file

23

arch/powerpc/include/asm/secure_boot.h

View file

2

arch/powerpc/kernel/Makefile

View file

35

arch/powerpc/kernel/secure_boot.c

View file