Initial bits to bring in Secure Launch functionality. Add Kconfig
options for compiling in/out the Secure Launch code.

Signed-off-by: Ross Philipson <>
 arch/x86/Kconfig | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7101ac6..8957981 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1968,6 +1968,42 @@ config EFI_MIXED
           If unsure, say N.
+       bool "Secure Launch support"
+       default n
+       depends on X86_64
+       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.
+       prompt "Select Secure Launch Algorithm for TPM2"
+       depends on SECURE_LAUNCH
+       bool "Secure Launch TPM1 SHA1"
+       help
+          When using Secure Launch and TPM1 is present, use SHA1 hash
+          algorithm for measurements.
+       bool "Secure Launch TPM2 SHA256"
+       help
+          When using Secure Launch and TPM2 is present, use SHA256 hash
+          algorithm for measurements.
+       bool "Secure Launch TPM2 SHA512"
+       help
+          When using Secure Launch and TPM2 is present, use SHA512 hash
+          algorithm for measurements.
 config SECCOMP
        def_bool y
        prompt "Enable seccomp to safely compute untrusted bytecode"

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