Cherry-pick vboot_reference files from TOT to support crossystem

firmware/Makefile

Index: firmware/Makefile
diff --git a/firmware/Makefile b/firmware/Makefile
index fcff8bb7364c08f1fec3b1c621f828442fa1d406..accc835c68c2de054f54c77265ff12d1646e2883 100644
--- a/firmware/Makefile
+++ b/firmware/Makefile
@@ -15,6 +15,24 @@ ifeq ($(FIRMWARE_ARCH),)
 CFLAGS += -DDISABLE_ROLLBACK_TPM
 endif
 
+# TPM-specific flags.  These depend on the particular TPM we're targeting for.
+# They are needed here only for compiling parts of the firmware code into
+# user-level tests.
+
+# TPM_BLOCKING_CONTINUESELFTEST is defined if TPM_ContinueSelfTest blocks until
+# the self test has completed.
+
+CLAGS += -DTPM_BLOCKING_CONTINUESELFTEST
+
+# TPM_MANUAL_SELFTEST is defined if the self test must be started manually
+# (with a call to TPM_ContinueSelfTest) instead of starting automatically at
+# power on.
+#
+# We sincerely hope that TPM_BLOCKING_CONTINUESELFTEST and TPM_MANUAL_SELFTEST
+# are not both defined at the same time.  (See comment in code.)
+
+# CLAGS += -DTPM_MANUAL_SELFTEST
+
 INCLUDES = \
 	-I$(FWTOP)/include \
 	-I$(LIBDIR)/include \
@@ -40,6 +58,7 @@ LIB_SRCS = \
 	./lib/cryptolib/sha2.c \
 	./lib/cryptolib/sha_utility.c \
 	./lib/rollback_index.c \
+	./lib/tpm_bootmode.c \
 	./lib/stateful_util.c \
 	./lib/tpm_lite/tlcl.c \
 	./lib/utility.c \