/** * Copyright (C) ARM Limited 2012-2014. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ /** * Test functions for mali_t600_hw code. */ static int is_read_scheduled(const struct timespec *current_time, u32 *prev_time_s, s32 *next_read_time_ns); static int test_is_read_scheduled(u32 s, u32 ns, u32 prev_s, s32 next_ns, int expected_result, s32 expected_next_ns) { struct timespec current_time; u32 prev_time_s = prev_s; s32 next_read_time_ns = next_ns; current_time.tv_sec = s; current_time.tv_nsec = ns; if (is_read_scheduled(¤t_time, &prev_time_s, &next_read_time_ns) != expected_result) { printk("Failed do_read(%u, %u, %u, %d): expected %d\n", s, ns, prev_s, next_ns, expected_result); return 0; } if (next_read_time_ns != expected_next_ns) { printk("Failed: next_read_ns expected=%d, actual=%d\n", expected_next_ns, next_read_time_ns); return 0; } return 1; } static void test_all_is_read_scheduled(void) { const int HIGHEST_NS = 999999999; int n_tests_passed = 0; printk("gator: running tests on %s\n", __FILE__); n_tests_passed += test_is_read_scheduled(0, 0, 0, 0, 1, READ_INTERVAL_NSEC); /* Null time */ n_tests_passed += test_is_read_scheduled(100, 1000, 0, 0, 1, READ_INTERVAL_NSEC + 1000); /* Initial values */ n_tests_passed += test_is_read_scheduled(100, HIGHEST_NS, 100, HIGHEST_NS + 500, 0, HIGHEST_NS + 500); n_tests_passed += test_is_read_scheduled(101, 0001, 100, HIGHEST_NS + 500, 0, HIGHEST_NS + 500 - NSEC_PER_SEC); n_tests_passed += test_is_read_scheduled(101, 600, 100, HIGHEST_NS + 500 - NSEC_PER_SEC, 1, 600 + READ_INTERVAL_NSEC); n_tests_passed += test_is_read_scheduled(101, 600, 100, HIGHEST_NS + 500, 1, 600 + READ_INTERVAL_NSEC); printk("gator: %d tests passed\n", n_tests_passed); }