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.philip...@oracle.com>

Acked-by: Mateusz Mowka <mateusz.mo...@linux.intel.com>

---
  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

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