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-rw-r--r--src/security/vboot/Kconfig8
-rw-r--r--src/security/vboot/Makefile.inc1
2 files changed, 9 insertions, 0 deletions
diff --git a/src/security/vboot/Kconfig b/src/security/vboot/Kconfig
index 036875884b..7cbeea3e39 100644
--- a/src/security/vboot/Kconfig
+++ b/src/security/vboot/Kconfig
@@ -274,6 +274,14 @@ config VBOOT_EC_EFS
software sync needs to also support it. This setting tells vboot to
perform EFS software sync.
+config VBOOT_X86_SHA256_ACCELERATION
+ bool "Use sha extension for sha256 hash calculation"
+ default n
+ depends on ARCH_X86
+ help
+ Use sha256msg1, sha256msg2, sha256rnds2 instruction to accelerate
+ SHA hash calculation in vboot.
+
menu "GBB configuration"
config GBB_HWID
diff --git a/src/security/vboot/Makefile.inc b/src/security/vboot/Makefile.inc
index 47830f3c62..d604d1c862 100644
--- a/src/security/vboot/Makefile.inc
+++ b/src/security/vboot/Makefile.inc
@@ -28,6 +28,7 @@ $$(VBOOT_LIB_$(1)): $(obj)/config.h
CC="$$(CC_$(1))" \
CFLAGS="$$(VBOOT_CFLAGS_$(1))" VBOOT2="y" \
EC_EFS="$(CONFIG_VBOOT_EC_EFS)" \
+ X86_SHA_EXT="$(CONFIG_VBOOT_X86_SHA256_ACCELERATION)" \
$(MAKE) -C $(VBOOT_SOURCE) \
BUILD=$$(abspath $$(dir $$(VBOOT_LIB_$(1)))) \
V=$(V) \