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| author | Bernhard Beschow <shentey@gmail.com> | 2025-02-23 12:47:08 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@linaro.org> | 2025-03-11 20:01:26 +0100 |
| commit | 822405b1fea4f0f404df418bd70da0588b9207ce (patch) | |
| tree | 6f209f9ab30b7b12b8b2b5d6fe7e4703999eed4e /tests/qtest | |
| parent | d060b2789f71e8cd1d07c4374e0c96c299423952 (diff) | |
| download | qemu-822405b1fea4f0f404df418bd70da0588b9207ce.zip qemu-822405b1fea4f0f404df418bd70da0588b9207ce.tar.gz qemu-822405b1fea4f0f404df418bd70da0588b9207ce.tar.bz2 | |
hw/rtc: Add Ricoh RS5C372 RTC emulation
The implementation just allows Linux to determine date and time.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250223114708.1780-19-shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Diffstat (limited to 'tests/qtest')
| -rw-r--r-- | tests/qtest/meson.build | 1 | ||||
| -rw-r--r-- | tests/qtest/rs5c372-test.c | 43 |
2 files changed, 44 insertions, 0 deletions
diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 8a62433..9e5380b 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -298,6 +298,7 @@ qos_test_ss.add( 'pca9552-test.c', 'pci-test.c', 'pcnet-test.c', + 'rs5c372-test.c', 'sdhci-test.c', 'spapr-phb-test.c', 'tmp105-test.c', diff --git a/tests/qtest/rs5c372-test.c b/tests/qtest/rs5c372-test.c new file mode 100644 index 0000000..0f6a9b6 --- /dev/null +++ b/tests/qtest/rs5c372-test.c @@ -0,0 +1,43 @@ +/* + * QTest testcase for the RS5C372 RTC + * + * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com> + * + * Based on ds1338-test.c + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/bcd.h" +#include "libqos/i2c.h" + +#define RS5C372_ADDR 0x32 + +static void rs5c372_read_date(void *obj, void *data, QGuestAllocator *alloc) +{ + QI2CDevice *i2cdev = obj; + + uint8_t resp[0x10]; + time_t now = time(NULL); + struct tm *utc = gmtime(&now); + + i2c_read_block(i2cdev, 0, resp, sizeof(resp)); + + /* check retrieved time against local time */ + g_assert_cmpuint(from_bcd(resp[5]), == , utc->tm_mday); + g_assert_cmpuint(from_bcd(resp[6]), == , 1 + utc->tm_mon); + g_assert_cmpuint(2000 + from_bcd(resp[7]), == , 1900 + utc->tm_year); +} + +static void rs5c372_register_nodes(void) +{ + QOSGraphEdgeOptions opts = { }; + add_qi2c_address(&opts, &(QI2CAddress) { RS5C372_ADDR }); + + qos_node_create_driver("rs5c372", i2c_device_create); + qos_node_consumes("rs5c372", "i2c-bus", &opts); + qos_add_test("read_date", "rs5c372", rs5c372_read_date, NULL); +} + +libqos_init(rs5c372_register_nodes); |