Trusted Firmware-A Tests, version 2.0

This is the first public version of the tests for the Trusted
Firmware-A project. Please see the documentation provided in the
source tree for more details.

Change-Id: I6f3452046a1351ac94a71b3525c30a4ca8db7867
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Co-authored-by: amobal01 <amol.balasokamble@arm.com>
Co-authored-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
Co-authored-by: Asha R <asha.r@arm.com>
Co-authored-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
Co-authored-by: David Cunado <david.cunado@arm.com>
Co-authored-by: Dimitris Papastamos <dimitris.papastamos@arm.com>
Co-authored-by: Douglas Raillard <douglas.raillard@arm.com>
Co-authored-by: dp-arm <dimitris.papastamos@arm.com>
Co-authored-by: Jeenu Viswambharan <jeenu.viswambharan@arm.com>
Co-authored-by: Jonathan Wright <jonathan.wright@arm.com>
Co-authored-by: Kévin Petit <kevin.petit@arm.com>
Co-authored-by: Roberto Vargas <roberto.vargas@arm.com>
Co-authored-by: Sathees Balya <sathees.balya@arm.com>
Co-authored-by: Shawon Roy <Shawon.Roy@arm.com>
Co-authored-by: Soby Mathew <soby.mathew@arm.com>
Co-authored-by: Thomas Abraham <thomas.abraham@arm.com>
Co-authored-by: Vikram Kanigiri <vikram.kanigiri@arm.com>
Co-authored-by: Yatharth Kochar <yatharth.kochar@arm.com>
diff --git a/tftf/tests/fwu_tests/test_fwu_toc.c b/tftf/tests/fwu_tests/test_fwu_toc.c
new file mode 100644
index 0000000..6d220aa
--- /dev/null
+++ b/tftf/tests/fwu_tests/test_fwu_toc.c
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <firmware_image_package.h>
+#include <fwu_nvm.h>
+#include <io_storage.h>
+#include <platform.h>
+#include <psci.h>
+#include <smccc.h>
+#include <status.h>
+#include <tftf_lib.h>
+
+/*
+ * @Test_Aim@ Validate the FWU ToC invalid case.
+ * The Firmware Update feature implemented in Trusted Firmware-A
+ * code needs to be tested to check if FWU process gets started
+ * or not when the ToC header value in fip.bin is invalid.
+ * Test SUCCESS in case ToC is found valid.
+ * Test FAIL in case ToC is found invalid.
+ */
+test_result_t test_fwu_toc(void)
+{
+	STATUS status;
+	unsigned int toc_header;
+	smc_args args = { SMC_PSCI_SYSTEM_RESET };
+	smc_ret_values ret = {0};
+
+	if (tftf_is_rebooted()) {
+		/*
+		 * Check whether we successfully resumed from the
+		 * Firmware Update process. If we have, then the
+		 * ToC header value will have been repaired.
+		 */
+		status = fwu_nvm_read(0, &toc_header, 4);
+		if (status != STATUS_SUCCESS) {
+			tftf_testcase_printf("Failed to read NVM (%d)\n", status);
+			return TEST_RESULT_FAIL;
+		}
+
+		if (toc_header != TOC_HEADER_NAME) {
+			tftf_testcase_printf("ToC is Invalid (%u)\n", toc_header);
+			return TEST_RESULT_FAIL;
+		}
+
+		return TEST_RESULT_SUCCESS;
+	}
+
+	/* Corrupt the TOC in fip.bin. */
+	toc_header = 0xdeadbeef;
+	status = fwu_nvm_write(0, &toc_header, 4);
+	if (status != STATUS_SUCCESS) {
+		tftf_testcase_printf("Failed to overwrite the ToC header (%d)\n",
+			status);
+		return TEST_RESULT_SKIPPED;
+	}
+
+	/* Notify that we are rebooting now. */
+	tftf_notify_reboot();
+
+	/* Request PSCI system reset. */
+	ret = tftf_smc(&args);
+
+	/* The PSCI SYSTEM_RESET call is not supposed to return */
+	tftf_testcase_printf("System didn't reboot properly (%d)\n",
+		(unsigned int)ret.ret0);
+
+	return TEST_RESULT_FAIL;
+}