Added demo for reading CSR register from qtest environment.
Signed-off-by: Ivan Klokov <ivan.klo...@syntacore.com>
---
tests/qtest/meson.build | 2 +
tests/qtest/riscv-csr-test.c | 85 ++++++++++++++++++++++++++++++++++++
2 files changed, 87 insertions(+)
create mode 100644 tests/qtest/riscv-csr-test.c
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build
index 12792948ff..45d651da99 100644
--- a/tests/qtest/meson.build
+++ b/tests/qtest/meson.build
@@ -259,6 +259,8 @@ qtests_s390x = \
qtests_riscv32 = \
(config_all_devices.has_key('CONFIG_SIFIVE_E_AON') ?
['sifive-e-aon-watchdog-test'] : [])
+qtests_riscv32 += ['riscv-csr-test']
+
qos_test_ss = ss.source_set()
qos_test_ss.add(
'ac97-test.c',
diff --git a/tests/qtest/riscv-csr-test.c b/tests/qtest/riscv-csr-test.c
new file mode 100644
index 0000000000..21a3646ae9
--- /dev/null
+++ b/tests/qtest/riscv-csr-test.c
@@ -0,0 +1,85 @@
+/*
+ * 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-single.h"
+#include "libqtest.h"
+
+static uint64_t qcsr_call(QTestState *qts, const char *name, uint64_t cpu,
+ int csrno, uint64_t *val)
+{
+ uint64_t res = 0;
+
+ res = qtest_csr_call(qts, name, cpu, csrno, val);
+
+ return res;
+}
+
+static int qcsr_get_csr(QTestState *qts, uint64_t cpu,
+ int csrno, uint64_t *val)
+{
+ int res;
+
+ res = qcsr_call(qts, "get_csr", cpu, csrno, val);
+
+ return res;
+}
+
+static int qcsr_set_csr(QTestState *qts, uint64_t cpu,
+ int csrno, uint64_t *val)
+{
+ int res;
+
+ res = qcsr_call(qts, "set_csr", cpu, csrno, val);
+
+ return res;
+}
+
+static void run_test_csr(void)
+{
+
+ uint64_t res;
+ uint64_t val = 0;
+
+ res = qcsr_get_csr(global_qtest, 0, 0xf11, &val);
+
+ g_assert_cmpint(res, ==, 0);
+ g_assert_cmpint(val, ==, 0x100);
+
+ val = 0xff;
+ res = qcsr_set_csr(global_qtest, 0, 0x342, &val);
+ g_assert_cmpint(res, ==, 0);
+
+ val = 0;
+ res = qcsr_get_csr(global_qtest, 0, 0x342, &val);
+
+ g_assert_cmpint(res, ==, 0);
+ g_assert_cmpint(val, ==, 0xff);
+
+ qtest_quit(global_qtest);
+}
+
+int main(int argc, char **argv)
+{
+ g_test_init(&argc, &argv, NULL);
+
+ qtest_add_func("/cpu/csr", run_test_csr);
+
+ qtest_start("-machine virt -cpu any,mvendorid=0x100");
+
+ return g_test_run();
+
+}
--
2.34.1
