1 /* 2 * QTest testcase for RISC-V CSRs 3 * 4 * Copyright (c) 2024 Syntacore. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * for more details. 15 */ 16 17 #include "qemu/osdep.h" 18 #include "libqtest.h" 19 20 #define CSR_MVENDORID 0xf11 21 #define CSR_MISELECT 0x350 22 23 static void run_test_csr(void) 24 { 25 uint64_t res; 26 uint64_t val = 0; 27 28 QTestState *qts = qtest_init("-machine virt -cpu veyron-v1"); 29 30 res = qtest_csr_call(qts, "get_csr", 0, CSR_MVENDORID, &val); 31 32 g_assert_cmpint(res, ==, 0); 33 g_assert_cmpint(val, ==, 0x61f); 34 35 val = 0xff; 36 res = qtest_csr_call(qts, "set_csr", 0, CSR_MISELECT, &val); 37 38 g_assert_cmpint(res, ==, 0); 39 40 val = 0; 41 res = qtest_csr_call(qts, "get_csr", 0, CSR_MISELECT, &val); 42 43 g_assert_cmpint(res, ==, 0); 44 g_assert_cmpint(val, ==, 0xff); 45 46 qtest_quit(qts); 47 } 48 49 int main(int argc, char **argv) 50 { 51 g_test_init(&argc, &argv, NULL); 52 53 qtest_add_func("/cpu/csr", run_test_csr); 54 55 return g_test_run(); 56 } 57