linux-user: Support for restarting system calls for OpenRISC targets
[qemu.git] / tests / ds1338-test.c
1 /*
2 * QTest testcase for the DS1338 RTC
3 *
4 * Copyright (c) 2013 Jean-Christophe Dubois
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 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "qemu/osdep.h"
21 #include "libqtest.h"
22 #include "libqos/i2c.h"
23
24 #include <glib.h>
25
26 #define IMX25_I2C_0_BASE 0x43F80000
27
28 #define DS1338_ADDR 0x68
29
30 static I2CAdapter *i2c;
31 static uint8_t addr;
32
33 static inline uint8_t bcd2bin(uint8_t x)
34 {
35 return ((x) & 0x0f) + ((x) >> 4) * 10;
36 }
37
38 static void send_and_receive(void)
39 {
40 uint8_t cmd[1];
41 uint8_t resp[7];
42 time_t now = time(NULL);
43 struct tm *tm_ptr = gmtime(&now);
44
45 /* reset the index in the RTC memory */
46 cmd[0] = 0;
47 i2c_send(i2c, addr, cmd, 1);
48
49 /* retrieve the date */
50 i2c_recv(i2c, addr, resp, 7);
51
52 /* check retrieved time againt local time */
53 g_assert_cmpuint(bcd2bin(resp[4]), == , tm_ptr->tm_mday);
54 g_assert_cmpuint(bcd2bin(resp[5]), == , 1 + tm_ptr->tm_mon);
55 g_assert_cmpuint(2000 + bcd2bin(resp[6]), == , 1900 + tm_ptr->tm_year);
56 }
57
58 int main(int argc, char **argv)
59 {
60 QTestState *s = NULL;
61 int ret;
62
63 g_test_init(&argc, &argv, NULL);
64
65 s = qtest_start("-display none -machine imx25-pdk");
66 i2c = imx_i2c_create(IMX25_I2C_0_BASE);
67 addr = DS1338_ADDR;
68
69 qtest_add_func("/ds1338/tx-rx", send_and_receive);
70
71 ret = g_test_run();
72
73 if (s) {
74 qtest_quit(s);
75 }
76 g_free(i2c);
77
78 return ret;
79 }