Re: [RFC PATCH v3 2/2] tests/qtest: QTest example for RISC-V CSR register

2024-06-26 Thread Thomas Huth

On 25/06/2024 17.35, Ivan Klokov wrote:

Added demo for reading CSR register from qtest environment.

Signed-off-by: Ivan Klokov 
---
  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 00..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;
+}


This wrapper function looks completely unnecessary, just call 
qtest_csr_call() everywhere directly instead?


 Thomas


+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, );
+
+g_assert_cmpint(res, ==, 0);
+g_assert_cmpint(val, ==, 0x100);
+
+val = 0xff;
+res = qcsr_set_csr(global_qtest, 0, 0x342, );
+g_assert_cmpint(res, ==, 0);
+
+val = 0;
+res = qcsr_get_csr(global_qtest, 0, 0x342, );
+
+g_assert_cmpint(res, ==, 0);
+g_assert_cmpint(val, ==, 0xff);
+
+qtest_quit(global_qtest);
+}
+
+int main(int argc, char **argv)
+{
+g_test_init(, , NULL);
+
+qtest_add_func("/cpu/csr", run_test_csr);
+
+qtest_start("-machine virt -cpu any,mvendorid=0x100");
+
+return g_test_run();
+
+}





[RFC PATCH v3 2/2] tests/qtest: QTest example for RISC-V CSR register

2024-06-25 Thread Ivan Klokov
Added demo for reading CSR register from qtest environment.

Signed-off-by: Ivan Klokov 
---
 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 00..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, );
+
+g_assert_cmpint(res, ==, 0);
+g_assert_cmpint(val, ==, 0x100);
+
+val = 0xff;
+res = qcsr_set_csr(global_qtest, 0, 0x342, );
+g_assert_cmpint(res, ==, 0);
+
+val = 0;
+res = qcsr_get_csr(global_qtest, 0, 0x342, );
+
+g_assert_cmpint(res, ==, 0);
+g_assert_cmpint(val, ==, 0xff);
+
+qtest_quit(global_qtest);
+}
+
+int main(int argc, char **argv)
+{
+g_test_init(, , NULL);
+
+qtest_add_func("/cpu/csr", run_test_csr);
+
+qtest_start("-machine virt -cpu any,mvendorid=0x100");
+
+return g_test_run();
+
+}
-- 
2.34.1