On 21-Apr-25 6:26 PM, Ross Philipson wrote:
Initial bits to bring in Secure Launch functionality. Add Kconfig
options for compiling in/out the Secure Launch code.
Signed-off-by: Ross Philipson <ross.philipson@xxxxxxxxxx>
Acked-by: Mateusz Mowka <mateusz.mowka@xxxxxxxxxxxxxxx>
---
arch/x86/Kconfig | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4b9f378e05f6..badde1e9742e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2001,6 +2001,17 @@ config EFI_RUNTIME_MAP
See also Documentation/ABI/testing/sysfs-firmware-efi-runtime-map.
+config SECURE_LAUNCH
+ bool "Secure Launch support"
+ depends on X86_64 && X86_X2APIC && TCG_TIS && TCG_CRB && CRYPTO_LIB_SHA1 && CRYPTO_LIB_SHA256
+ help
+ The Secure Launch feature allows a kernel to be loaded
+ directly through an Intel TXT measured launch. Intel TXT
+ establishes a Dynamic Root of Trust for Measurement (DRTM)
+ where the CPU measures the kernel image. This feature then
+ continues the measurement chain over kernel configuration
+ information and init images.
+
source "kernel/Kconfig.hz"
config ARCH_SUPPORTS_KEXEC
