Added demo for reading CSR register from qtest environment.
Signed-off-by: Ivan Klokov <ivan.klo...@syntacore.com>
Reviewed-by: Fabiano Rosas <faro...@suse.de>
---
tests/qtest/meson.build | 2 +-
tests/qtest/riscv-csr-test.c | 56 ++++++++++++++++++++++++++++++++++++
2 files changed, 57 insertions(+), 1 deletion(-)
create mode 100644 tests/qtest/riscv-csr-test.c
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index f2f35367ae..3aad77b3a9 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -272,7 +272,7 @@ qtests_s390x = \
qtests_riscv32 = \
(config_all_devices.has_key('CONFIG_SIFIVE_E_AON') ?
['sifive-e-aon-watchdog-test'] : [])
-qtests_riscv64 = \
+qtests_riscv64 = ['riscv-csr-test'] + \
(unpack_edk2_blobs ? ['bios-tables-test'] : [])
qos_test_ss = ss.source_set()
diff --git a/tests/qtest/riscv-csr-test.c b/tests/qtest/riscv-csr-test.c
new file mode 100644
index 0000000000..ff5c29e6c6
--- /dev/null
+++ b/tests/qtest/riscv-csr-test.c
@@ -0,0 +1,56 @@
+/*
+ * QTest testcase for RISC-V CSRs
+ *
+ * Copyright (c) 2024 Syntacore.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+
+#define CSR_MVENDORID 0xf11
+#define CSR_MISELECT 0x350
+
+static void run_test_csr(void)
+{
+ uint64_t res;
+ uint64_t val = 0;
+
+ QTestState *qts = qtest_init("-machine virt -cpu veyron-v1");
+
+ res = qtest_csr_call(qts, "get_csr", 0, CSR_MVENDORID, &val);
+
+ g_assert_cmpint(res, ==, 0);
+ g_assert_cmpint(val, ==, 0x61f);
+
+ val = 0xff;
+ res = qtest_csr_call(qts, "set_csr", 0, CSR_MISELECT, &val);
+
+ g_assert_cmpint(res, ==, 0);
+
+ val = 0;
+ res = qtest_csr_call(qts, "get_csr", 0, CSR_MISELECT, &val);
+
+ g_assert_cmpint(res, ==, 0);
+ g_assert_cmpint(val, ==, 0xff);
+
+ qtest_quit(qts);
+}
+
+int main(int argc, char **argv)
+{
+ g_test_init(&argc, &argv, NULL);
+
+ qtest_add_func("/cpu/csr", run_test_csr);
+
+ return g_test_run();
+}
--
2.34.1
