[coreboot-gerrit] [S] Change in coreboot[master]: libpayload: Add VBOOT_SHA_ARMV8_CE config

[Yidi Lin (Code Review)]

Yidi Lin has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/72710 )

Change subject: libpayload: Add VBOOT_SHA_ARMV8_CE config
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libpayload: Add VBOOT_SHA_ARMV8_CE config

Add Kconfig option for VBOOT_SHA_ARMV8_CE, which will use ARMv8 Crypto
Extension for SHA256[1] instead of software implementation.

[1] https://crrev.com/c/4170144

BUG=b:263514393
TEST='vboot kernel verification' gets 111 msecs improvement on Tentacruel.
Before:
1100:finished vboot kernel verification                905,150 (123,518)

After:
1100:finished vboot kernel verification                787,277 (12,254)

Change-Id: If92830830a0658dfad2a066e9efa624783865cf2
Signed-off-by: Yidi Lin 
---
M payloads/libpayload/vboot/Kconfig
M payloads/libpayload/vboot/Makefile.inc
2 files changed, 32 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/72710/1

diff --git a/payloads/libpayload/vboot/Kconfig b/payloads/libpayload/vboot/Kconfig
index e712fbb..3b02155 100644
--- a/payloads/libpayload/vboot/Kconfig
+++ b/payloads/libpayload/vboot/Kconfig
@@ -24,4 +24,12 @@
      This option enables SHA256 implementation using x86 SHA processor extension
      instructions: sha256msg1, sha256msg2, sha256rnds2.

+config VBOOT_SHA_ARMV8_CE
+	bool "SHA256 implementation using ARMv8 Crypto Extension"
+	default y if CHROMEOS
+	default n
+	depends on ARCH_ARM64
+	help
+	  This option enables SHA256 implementation using ARMv8 Crypto Extension.
+
 endif
diff --git a/payloads/libpayload/vboot/Makefile.inc b/payloads/libpayload/vboot/Makefile.inc
index 3ec3278..38bad4d 100644
--- a/payloads/libpayload/vboot/Makefile.inc
+++ b/payloads/libpayload/vboot/Makefile.inc
@@ -37,6 +37,7 @@
    	$(MAKE) -C "$(VBOOT_SOURCE)" \
    	TPM2_MODE=$(call kconfig-to-binary, $(CONFIG_LP_VBOOT_TPM2_MODE)) \
    	X86_SHA_EXT=$(call kconfig-to-binary, $(CONFIG_LP_VBOOT_X86_SHA_EXT)) \
+		SHA_ARMV8_CE=$(call kconfig-to-binary, $(CONFIG_LP_VBOOT_SHA_ARMV8_CE)) \
    	UNROLL_LOOPS=1 \
    	BUILD="$(VBOOT_BUILD_DIR)" \
    	V=$(V) \