test: Add on-device abort() test

BRANCH=none
BUG=b:234181908
TEST=./test/run_device_tests.py --board bloonchipper  abort

Signed-off-by: Tom Hughes <tomhughes@chromium.org>
Change-Id: Ic92cacdf018bbc8454ed4c7f72546a3ed4d7e4fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3933257
Reviewed-by: Andrea Grandi <agrandi@google.com>

4 files changed, 92 insertions, 0 deletions

diff --git a/test/abort.c b/test/abort.c
new file mode 100644
index 0000000000..e0069e920f
--- /dev/null
+++ b/test/abort.c
@@ -0,0 +1,80 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <stdlib.h>
+
+#include "common.h"
+#include "panic.h"
+#include "system.h"
+#include "task.h"
+#include "test_util.h"
+
+test_static int test_abort(void)
+{
+	ccprintf("Calling abort\n");
+	cflush();
+	abort();
+	/* Should never reach this. */
+	return EC_ERROR_UNKNOWN;
+}
+
+test_static int test_panic_data(void)
+{
+	const uint32_t expected_reason = PANIC_SW_EXIT;
+	/* Note: The task_id can be found with the "taskinfo" command. */
+	const uint32_t expected_task_id = 5;
+	const uint8_t expected_exception = 0;
+
+	uint32_t reason = 0;
+	uint32_t info = 0;
+	uint8_t exception = UINT8_MAX;
+
+	panic_get_reason(&reason, &info, &exception);
+
+	TEST_EQ(reason, expected_reason, "%08x");
+	TEST_EQ(info, expected_task_id, "%d");
+	TEST_EQ(exception, expected_exception, "%d");
+
+	return EC_SUCCESS;
+}
+
+test_static void run_test_step1(void)
+{
+	test_set_next_step(TEST_STATE_STEP_2);
+	RUN_TEST(test_abort);
+}
+
+test_static void run_test_step2(void)
+{
+	RUN_TEST(test_panic_data);
+
+	if (test_get_error_count())
+		test_reboot_to_next_step(TEST_STATE_FAILED);
+	else
+		test_reboot_to_next_step(TEST_STATE_PASSED);
+}
+
+void test_run_step(uint32_t state)
+{
+	if (state & TEST_STATE_MASK(TEST_STATE_STEP_1)) {
+		run_test_step1();
+	} else if (state & TEST_STATE_MASK(TEST_STATE_STEP_2)) {
+		run_test_step2();
+	}
+}
+
+int task_test(void *unused)
+{
+	if (IS_ENABLED(SECTION_IS_RW))
+		test_run_multistep();
+	return EC_SUCCESS;
+}
+
+void run_test(int argc, const char **argv)
+{
+	test_reset();
+	msleep(30); /* Wait for TASK_ID_TEST to initialize */
+	task_wake(TASK_ID_TEST);
+}
diff --git a/test/abort.tasklist b/test/abort.tasklist
new file mode 100644
index 0000000000..273a9664c0
--- /dev/null
+++ b/test/abort.tasklist
@@ -0,0 +1,10 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/**
+ * See CONFIG_TASK_LIST in config.h for details.
+ */
+#define CONFIG_TEST_TASK_LIST \
+  TASK_TEST(TEST, task_test, NULL, TASK_STACK_SIZE)
diff --git a/test/build.mk b/test/build.mk
index f35744494b..3070e05aae 100644
--- a/test/build.mk
+++ b/test/build.mk
@@ -159,6 +159,7 @@ cov-dont-test += rsa
 
 cov-test-list-host = $(filter-out $(cov-dont-test), $(test-list-host))
 
+abort-y=abort.o
 accel_cal-y=accel_cal.o
 aes-y=aes.o
 # The purpose of the always_memset test is to ensure the functionality of
diff --git a/test/run_device_tests.py b/test/run_device_tests.py
index 81511c835c..b30f115509 100755
--- a/test/run_device_tests.py
+++ b/test/run_device_tests.py
@@ -193,6 +193,7 @@ class AllTests:
     def get_public_tests(board_config: BoardConfig) -> List[TestConfig]:
         """Return public test configs for the specified board."""
         tests = [
+            TestConfig(test_name="abort"),
             TestConfig(test_name="aes"),
             TestConfig(test_name="always_memset"),
             TestConfig(test_name="cec"),