diff options
Diffstat (limited to 'test/ftrapv.c')
| -rw-r--r-- | test/ftrapv.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/test/ftrapv.c b/test/ftrapv.c deleted file mode 100644 index 1aefb8404f..0000000000 --- a/test/ftrapv.c +++ /dev/null @@ -1,265 +0,0 @@ -/* 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 "common.h" -#include "panic.h" -#include "system.h" -#include "task.h" -#include "test_util.h" - -#include <stdlib.h> - -/* - * trapping addition: __addvsi3. - */ -test_static int test_ftrapv_addition(void) -{ - int32_t test_overflow = INT32_MAX; - int32_t ret; - - ccprintf("Testing signed integer addition overflow\n"); - cflush(); - ret = test_overflow + 1; - - /* Should never reach this. */ - ccprintf("ret: %d\n", ret); - cflush(); - - return EC_ERROR_UNKNOWN; -} - -/* - * trapping subtraction: __subvsi3. - */ -test_static int test_ftrapv_subtraction(void) -{ - int32_t test_overflow = INT32_MIN; - int32_t ret; - - ccprintf("Testing signed integer subtraction overflow\n"); - cflush(); - ret = test_overflow - 1; - - /* Should never reach this. */ - ccprintf("ret: %d\n", ret); - cflush(); - - return EC_ERROR_UNKNOWN; -} - -/* - * trapping multiplication: __mulvsi3. - */ -test_static int test_ftrapv_multiplication(void) -{ - int32_t test_overflow = INT32_MAX; - int32_t ret; - - ccprintf("Testing signed integer multiplication overflow\n"); - cflush(); - ret = test_overflow * 2; - - /* Should never reach this. */ - ccprintf("ret: %d\n", ret); - cflush(); - - return EC_ERROR_UNKNOWN; -} - -/* - * trapping negation: __negvsi2. - */ -test_static int test_ftrapv_negation(void) -{ - int32_t test_overflow = INT32_MIN; - int32_t ret; - - ccprintf("Testing signed integer negation overflow\n"); - cflush(); - ret = -test_overflow; - - /* Should never reach this. */ - ccprintf("ret: %d\n", ret); - cflush(); - - return EC_ERROR_UNKNOWN; -} - -/* - * trapping absolute value: __absvsi2. - * - * TODO(b/258074414): Trapping on absolute value overflow is broken in clang. - */ -test_static int test_ftrapv_absolute_value(void) -{ - int32_t test_overflow = INT32_MIN; - int32_t ret; - - ccprintf("Testing signed integer absolute value overflow\n"); - cflush(); - - ret = abs(test_overflow); - - /* Should never reach this. */ - ccprintf("ret: %d\n", ret); - cflush(); - - return EC_ERROR_UNKNOWN; -} - -test_static int test_panic_data(void) -{ - const uint32_t expected_reason = 0; - const uint32_t expected_info = 0; - /* - * https://developer.arm.com/documentation/dui0552/a/the-cortex-m3-processor/exception-model/exception-types - */ - const uint8_t expected_exception = 6; /* usage fault */ - - uint32_t reason = UINT32_MAX; - uint32_t info = UINT32_MAX; - uint8_t exception = UINT8_MAX; - - panic_get_reason(&reason, &info, &exception); - - TEST_EQ(reason, expected_reason, "%08x"); - TEST_EQ(info, expected_info, "%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_ftrapv_addition); -} - -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_STEP_3); -} - -test_static void run_test_step3(void) -{ - test_set_next_step(TEST_STATE_STEP_4); - RUN_TEST(test_ftrapv_subtraction); -} - -test_static void run_test_step4(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_STEP_5); -} - -test_static void run_test_step5(void) -{ - test_set_next_step(TEST_STATE_STEP_6); - RUN_TEST(test_ftrapv_multiplication); -} - -test_static void run_test_step6(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_STEP_7); -} - -test_static void run_test_step7(void) -{ - test_set_next_step(TEST_STATE_STEP_8); - RUN_TEST(test_ftrapv_negation); -} - -test_static void run_test_step8(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_STEP_9); -} - -test_static void run_test_step9(void) -{ - /* - * TODO(b/258074414): Trapping on absolute value overflow is broken in - * clang, so skip the check. - */ -#if 0 - test_set_next_step(TEST_STATE_STEP_10); - RUN_TEST(test_ftrapv_absolute_value); -#else - test_reboot_to_next_step(TEST_STATE_STEP_10); -#endif -} - -test_static void run_test_step10(void) -{ - /* - * TODO(b/258074414): Trapping on absolute value overflow is broken in - * clang, so skip the check. - */ -#if 0 - RUN_TEST(test_panic_data); -#endif - - 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(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_3)) { - run_test_step3(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_4)) { - run_test_step4(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_5)) { - run_test_step5(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_6)) { - run_test_step6(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_7)) { - run_test_step7(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_8)) { - run_test_step8(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_9)) { - run_test_step9(); - } else if (state & TEST_STATE_MASK(TEST_STATE_STEP_10)) { - run_test_step10(); - } -} - -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); -} |