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
run_test_csr(void)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
main(int argc,char ** argv)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