feat(handoff): add event log test

Adds a new TFTF test to validate presence and correctness of the TPM
event log in the transfer list received from EL3. Uses event_log_dump to
parse and output log data.

Change-Id: I0b1f782429e4bfe3d1760fce52d40a9836dc27a2
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
diff --git a/tftf/framework/framework.mk b/tftf/framework/framework.mk
index d5d3300..098f2b8 100644
--- a/tftf/framework/framework.mk
+++ b/tftf/framework/framework.mk
@@ -55,6 +55,7 @@
 	lib/${ARCH}/misc_helpers.S					\
 	lib/delay/delay.c						\
 	lib/events/events.c						\
+	${EVENT_LOG_SOURCES}						\
 	lib/extensions/amu/${ARCH}/amu.c				\
 	lib/extensions/amu/${ARCH}/amu_helpers.S			\
 	lib/exceptions/irq.c						\
diff --git a/tftf/tests/misc_tests/test_firmware_handoff.c b/tftf/tests/misc_tests/test_firmware_handoff.c
index 61091ae..026f057 100644
--- a/tftf/tests/misc_tests/test_firmware_handoff.c
+++ b/tftf/tests/misc_tests/test_firmware_handoff.c
@@ -6,10 +6,13 @@
 
 #include <assert.h>
 
+#include <drivers/measured_boot/event_log/tcg.h>
 #include <test_helpers.h>
 #include <tftf_lib.h>
 #include <transfer_list.h>
 
+#include "event_log.h"
+
 extern u_register_t hw_config_base;
 extern u_register_t ns_tl;
 extern u_register_t tl_signature;
@@ -61,3 +64,31 @@
 
 	return TEST_RESULT_SUCCESS;
 }
+
+test_result_t test_handoff_event_payload(void)
+{
+
+	struct transfer_list_header *tl = (struct transfer_list_header *)ns_tl;
+	struct transfer_list_entry *te;
+	uint8_t *log_addr;
+	size_t log_size;
+
+	tftf_testcase_printf(
+		"Validate that a TPM event log can be successfully dumped when "
+		"present in the transfer list.");
+
+	te = transfer_list_find(tl, TL_TAG_TPM_EVLOG);
+	if (te == NULL) {
+		return TEST_RESULT_SKIPPED;
+	}
+
+	/* 4-bytes are reserved in TE data section. */
+	log_addr = (uint8_t *)transfer_list_entry_data(te) + U(4);
+	log_size = te->data_size - U(4);
+
+	if (event_log_dump(log_addr, log_size) != 0) {
+		return TEST_RESULT_FAIL;
+	}
+
+	return TEST_RESULT_SUCCESS;
+}
diff --git a/tftf/tests/tests-firmware-handoff.mk b/tftf/tests/tests-firmware-handoff.mk
index 515188a..65dfc4b 100644
--- a/tftf/tests/tests-firmware-handoff.mk
+++ b/tftf/tests/tests-firmware-handoff.mk
@@ -6,8 +6,12 @@
 
 ifeq (${TRANSFER_LIST}, 1)
 
+include lib/event_log/event_log.mk
+
 TESTS_SOURCES	+=	$(addprefix tftf/tests/misc_tests/,		\
 	test_firmware_handoff.c						\
 )
 
+TESTS_SOURCES	+=	${EVENT_LOG_SOURCES}
+
 endif
diff --git a/tftf/tests/tests-firmware-handoff.xml b/tftf/tests/tests-firmware-handoff.xml
index 4b4b2a4..9b456cc 100644
--- a/tftf/tests/tests-firmware-handoff.xml
+++ b/tftf/tests/tests-firmware-handoff.xml
@@ -10,5 +10,6 @@
   <testsuite name="Firmware Handoff" description="Validate transfer list managed by firmware handoff framework">
      <testcase name="Validate transfer list header" function="test_handoff_header" />
      <testcase name="Validate HW_CONFIG in transfer list" function="test_handoff_dtb_payload" />
+     <testcase name="Validate event log in transfer list" function="test_handoff_event_payload" />
   </testsuite>
 </testsuites>