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security/vboot: Update build rules using x86 SHA extension 

Currently build rules allow using x86 SHA extensions for all coreboot
stages when enabled. On some SoCs where verstage can run in non-x86
environment, x86 SHA extension cannot be used. Update build rules
accordingly such that x86 SHA extensions can be used in AMD SoCs. This
is particularly useful when CBFS verificiation is enabled which verifies
the hash of the CBFS file being loaded.

BUG=b:227809919
TEST=Build and boot to OS in Skyrim. Observe that hardware acceleration
is used when a CBFS file is loaded and observe an overall improvement of
10 ms.

Change-Id: I4f388e963eb82990cda41d3880e66ad937334908
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68953
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Karthikeyan Ramasubramanian 2022-10-27 22:49:40 -06:00 committed by Felix Held
parent 2f548e597b
commit 4f9853a9a5
1 changed files with 2 additions and 1 deletions
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3
src/security/vboot/Makefile.inc
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@ -28,7 +28,8 @@ $$(VBOOT_LIB_$(1)): $(obj)/config.h
CC="$$(CC_$(1))" \
CFLAGS="$$(VBOOT_CFLAGS_$(1))" VBOOT2="y" \
EC_EFS="$(CONFIG_VBOOT_EC_EFS)" \
X86_SHA_EXT="$(CONFIG_VBOOT_X86_SHA256_ACCELERATION)" \
X86_SHA_EXT="$(if $(CONFIG_ARCH_$(call toupper,$(1))_X86_32)$(CONFIG_ARCH_$(call toupper,$(1))_X86_64),$\
$(CONFIG_VBOOT_X86_SHA256_ACCELERATION))" \
$(MAKE) -C $(VBOOT_SOURCE) \
BUILD=$$(abspath $$(dir $$(VBOOT_LIB_$(1)))) \
V=$(V) \