test: Move qtests to a separate directory

The tests directory itself is pretty overcrowded, and it's hard to
see which test belongs to which test subsystem (unit, qtest, ...).
Let's move the qtests to a separate folder for more clarity.

Message-Id: <20191218103059.11729-6-thuth@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 0 insertions, 720 deletions

diff --git a/tests/rtc-test.c b/tests/rtc-test.c
deleted file mode 100644
index c7af34f..0000000
--- a/tests/rtc-test.c
+++ /dev/null
@@ -1,720 +0,0 @@
-/*
- * QTest testcase for the MC146818 real-time clock
- *
- * Copyright IBM, Corp. 2012
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-
-#include "libqtest-single.h"
-#include "qemu/timer.h"
-#include "hw/rtc/mc146818rtc.h"
-#include "hw/rtc/mc146818rtc_regs.h"
-
-#define UIP_HOLD_LENGTH           (8 * NANOSECONDS_PER_SECOND / 32768)
-
-static uint8_t base = 0x70;
-
-static int bcd2dec(int value)
-{
-    return (((value >> 4) & 0x0F) * 10) + (value & 0x0F);
-}
-
-static uint8_t cmos_read(uint8_t reg)
-{
-    outb(base + 0, reg);
-    return inb(base + 1);
-}
-
-static void cmos_write(uint8_t reg, uint8_t val)
-{
-    outb(base + 0, reg);
-    outb(base + 1, val);
-}
-
-static int tm_cmp(struct tm *lhs, struct tm *rhs)
-{
-    time_t a, b;
-    struct tm d1, d2;
-
-    memcpy(&d1, lhs, sizeof(d1));
-    memcpy(&d2, rhs, sizeof(d2));
-
-    a = mktime(&d1);
-    b = mktime(&d2);
-
-    if (a < b) {
-        return -1;
-    } else if (a > b) {
-        return 1;
-    }
-
-    return 0;
-}
-
-#if 0
-static void print_tm(struct tm *tm)
-{
-    printf("%04d-%02d-%02d %02d:%02d:%02d\n",
-           tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
-           tm->tm_hour, tm->tm_min, tm->tm_sec, tm->tm_gmtoff);
-}
-#endif
-
-static void cmos_get_date_time(struct tm *date)
-{
-    int base_year = 2000, hour_offset;
-    int sec, min, hour, mday, mon, year;
-    time_t ts;
-    struct tm dummy;
-
-    sec = cmos_read(RTC_SECONDS);
-    min = cmos_read(RTC_MINUTES);
-    hour = cmos_read(RTC_HOURS);
-    mday = cmos_read(RTC_DAY_OF_MONTH);
-    mon = cmos_read(RTC_MONTH);
-    year = cmos_read(RTC_YEAR);
-
-    if ((cmos_read(RTC_REG_B) & REG_B_DM) == 0) {
-        sec = bcd2dec(sec);
-        min = bcd2dec(min);
-        hour = bcd2dec(hour);
-        mday = bcd2dec(mday);
-        mon = bcd2dec(mon);
-        year = bcd2dec(year);
-        hour_offset = 80;
-    } else {
-        hour_offset = 0x80;
-    }
-
-    if ((cmos_read(0x0B) & REG_B_24H) == 0) {
-        if (hour >= hour_offset) {
-            hour -= hour_offset;
-            hour += 12;
-        }
-    }
-
-    ts = time(NULL);
-    localtime_r(&ts, &dummy);
-
-    date->tm_isdst = dummy.tm_isdst;
-    date->tm_sec = sec;
-    date->tm_min = min;
-    date->tm_hour = hour;
-    date->tm_mday = mday;
-    date->tm_mon = mon - 1;
-    date->tm_year = base_year + year - 1900;
-#ifndef __sun__
-    date->tm_gmtoff = 0;
-#endif
-
-    ts = mktime(date);
-}
-
-static void check_time(int wiggle)
-{
-    struct tm start, date[4], end;
-    struct tm *datep;
-    time_t ts;
-
-    /*
-     * This check assumes a few things.  First, we cannot guarantee that we get
-     * a consistent reading from the wall clock because we may hit an edge of
-     * the clock while reading.  To work around this, we read four clock readings
-     * such that at least two of them should match.  We need to assume that one
-     * reading is corrupt so we need four readings to ensure that we have at
-     * least two consecutive identical readings
-     *
-     * It's also possible that we'll cross an edge reading the host clock so
-     * simply check to make sure that the clock reading is within the period of
-     * when we expect it to be.
-     */
-
-    ts = time(NULL);
-    gmtime_r(&ts, &start);
-
-    cmos_get_date_time(&date[0]);
-    cmos_get_date_time(&date[1]);
-    cmos_get_date_time(&date[2]);
-    cmos_get_date_time(&date[3]);
-
-    ts = time(NULL);
-    gmtime_r(&ts, &end);
-
-    if (tm_cmp(&date[0], &date[1]) == 0) {
-        datep = &date[0];
-    } else if (tm_cmp(&date[1], &date[2]) == 0) {
-        datep = &date[1];
-    } else if (tm_cmp(&date[2], &date[3]) == 0) {
-        datep = &date[2];
-    } else {
-        g_assert_not_reached();
-    }
-
-    if (!(tm_cmp(&start, datep) <= 0 && tm_cmp(datep, &end) <= 0)) {
-        long t, s;
-
-        start.tm_isdst = datep->tm_isdst;
-
-        t = (long)mktime(datep);
-        s = (long)mktime(&start);
-        if (t < s) {
-            g_test_message("RTC is %ld second(s) behind wall-clock", (s - t));
-        } else {
-            g_test_message("RTC is %ld second(s) ahead of wall-clock", (t - s));
-        }
-
-        g_assert_cmpint(ABS(t - s), <=, wiggle);
-    }
-}
-
-static int wiggle = 2;
-
-static void set_year_20xx(void)
-{
-    /* Set BCD mode */
-    cmos_write(RTC_REG_B, REG_B_24H);
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_YEAR, 0x11);
-    cmos_write(RTC_CENTURY, 0x20);
-    cmos_write(RTC_MONTH, 0x02);
-    cmos_write(RTC_DAY_OF_MONTH, 0x02);
-    cmos_write(RTC_HOURS, 0x02);
-    cmos_write(RTC_MINUTES, 0x04);
-    cmos_write(RTC_SECONDS, 0x58);
-    cmos_write(RTC_REG_A, 0x26);
-
-    g_assert_cmpint(cmos_read(RTC_HOURS), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MINUTES), ==, 0x04);
-    g_assert_cmpint(cmos_read(RTC_SECONDS), >=, 0x58);
-    g_assert_cmpint(cmos_read(RTC_DAY_OF_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_YEAR), ==, 0x11);
-    g_assert_cmpint(cmos_read(RTC_CENTURY), ==, 0x20);
-
-    if (sizeof(time_t) == 4) {
-        return;
-    }
-
-    /* Set a date in 2080 to ensure there is no year-2038 overflow.  */
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_YEAR, 0x80);
-    cmos_write(RTC_REG_A, 0x26);
-
-    g_assert_cmpint(cmos_read(RTC_HOURS), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MINUTES), ==, 0x04);
-    g_assert_cmpint(cmos_read(RTC_SECONDS), >=, 0x58);
-    g_assert_cmpint(cmos_read(RTC_DAY_OF_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_YEAR), ==, 0x80);
-    g_assert_cmpint(cmos_read(RTC_CENTURY), ==, 0x20);
-
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_YEAR, 0x11);
-    cmos_write(RTC_REG_A, 0x26);
-
-    g_assert_cmpint(cmos_read(RTC_HOURS), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MINUTES), ==, 0x04);
-    g_assert_cmpint(cmos_read(RTC_SECONDS), >=, 0x58);
-    g_assert_cmpint(cmos_read(RTC_DAY_OF_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_YEAR), ==, 0x11);
-    g_assert_cmpint(cmos_read(RTC_CENTURY), ==, 0x20);
-}
-
-static void set_year_1980(void)
-{
-    /* Set BCD mode */
-    cmos_write(RTC_REG_B, REG_B_24H);
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_YEAR, 0x80);
-    cmos_write(RTC_CENTURY, 0x19);
-    cmos_write(RTC_MONTH, 0x02);
-    cmos_write(RTC_DAY_OF_MONTH, 0x02);
-    cmos_write(RTC_HOURS, 0x02);
-    cmos_write(RTC_MINUTES, 0x04);
-    cmos_write(RTC_SECONDS, 0x58);
-    cmos_write(RTC_REG_A, 0x26);
-
-    g_assert_cmpint(cmos_read(RTC_HOURS), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MINUTES), ==, 0x04);
-    g_assert_cmpint(cmos_read(RTC_SECONDS), >=, 0x58);
-    g_assert_cmpint(cmos_read(RTC_DAY_OF_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_MONTH), ==, 0x02);
-    g_assert_cmpint(cmos_read(RTC_YEAR), ==, 0x80);
-    g_assert_cmpint(cmos_read(RTC_CENTURY), ==, 0x19);
-}
-
-static void bcd_check_time(void)
-{
-    /* Set BCD mode */
-    cmos_write(RTC_REG_B, REG_B_24H);
-    check_time(wiggle);
-}
-
-static void dec_check_time(void)
-{
-    /* Set DEC mode */
-    cmos_write(RTC_REG_B, REG_B_24H | REG_B_DM);
-    check_time(wiggle);
-}
-
-static void alarm_time(void)
-{
-    struct tm now;
-    time_t ts;
-    int i;
-
-    ts = time(NULL);
-    gmtime_r(&ts, &now);
-
-    /* set DEC mode */
-    cmos_write(RTC_REG_B, REG_B_24H | REG_B_DM);
-
-    g_assert(!get_irq(RTC_ISA_IRQ));
-    cmos_read(RTC_REG_C);
-
-    now.tm_sec = (now.tm_sec + 2) % 60;
-    cmos_write(RTC_SECONDS_ALARM, now.tm_sec);
-    cmos_write(RTC_MINUTES_ALARM, RTC_ALARM_DONT_CARE);
-    cmos_write(RTC_HOURS_ALARM, RTC_ALARM_DONT_CARE);
-    cmos_write(RTC_REG_B, cmos_read(RTC_REG_B) | REG_B_AIE);
-
-    for (i = 0; i < 2 + wiggle; i++) {
-        if (get_irq(RTC_ISA_IRQ)) {
-            break;
-        }
-
-        clock_step(1000000000);
-    }
-
-    g_assert(get_irq(RTC_ISA_IRQ));
-    g_assert((cmos_read(RTC_REG_C) & REG_C_AF) != 0);
-    g_assert(cmos_read(RTC_REG_C) == 0);
-}
-
-static void set_time_regs(int h, int m, int s)
-{
-    cmos_write(RTC_HOURS, h);
-    cmos_write(RTC_MINUTES, m);
-    cmos_write(RTC_SECONDS, s);
-}
-
-static void set_time(int mode, int h, int m, int s)
-{
-    cmos_write(RTC_REG_B, mode);
-    cmos_write(RTC_REG_A, 0x76);
-    set_time_regs(h, m, s);
-    cmos_write(RTC_REG_A, 0x26);
-}
-
-static void set_datetime_bcd(int h, int min, int s, int d, int m, int y)
-{
-    cmos_write(RTC_HOURS, h);
-    cmos_write(RTC_MINUTES, min);
-    cmos_write(RTC_SECONDS, s);
-    cmos_write(RTC_YEAR, y & 0xFF);
-    cmos_write(RTC_CENTURY, y >> 8);
-    cmos_write(RTC_MONTH, m);
-    cmos_write(RTC_DAY_OF_MONTH, d);
-}
-
-static void set_datetime_dec(int h, int min, int s, int d, int m, int y)
-{
-    cmos_write(RTC_HOURS, h);
-    cmos_write(RTC_MINUTES, min);
-    cmos_write(RTC_SECONDS, s);
-    cmos_write(RTC_YEAR, y % 100);
-    cmos_write(RTC_CENTURY, y / 100);
-    cmos_write(RTC_MONTH, m);
-    cmos_write(RTC_DAY_OF_MONTH, d);
-}
-
-static void set_datetime(int mode, int h, int min, int s, int d, int m, int y)
-{
-    cmos_write(RTC_REG_B, mode);
-
-    cmos_write(RTC_REG_A, 0x76);
-    if (mode & REG_B_DM) {
-        set_datetime_dec(h, min, s, d, m, y);
-    } else {
-        set_datetime_bcd(h, min, s, d, m, y);
-    }
-    cmos_write(RTC_REG_A, 0x26);
-}
-
-#define assert_time(h, m, s) \
-    do { \
-        g_assert_cmpint(cmos_read(RTC_HOURS), ==, h); \
-        g_assert_cmpint(cmos_read(RTC_MINUTES), ==, m); \
-        g_assert_cmpint(cmos_read(RTC_SECONDS), ==, s); \
-    } while(0)
-
-#define assert_datetime_bcd(h, min, s, d, m, y) \
-    do { \
-        g_assert_cmpint(cmos_read(RTC_HOURS), ==, h); \
-        g_assert_cmpint(cmos_read(RTC_MINUTES), ==, min); \
-        g_assert_cmpint(cmos_read(RTC_SECONDS), ==, s); \
-        g_assert_cmpint(cmos_read(RTC_DAY_OF_MONTH), ==, d); \
-        g_assert_cmpint(cmos_read(RTC_MONTH), ==, m); \
-        g_assert_cmpint(cmos_read(RTC_YEAR), ==, (y & 0xFF)); \
-        g_assert_cmpint(cmos_read(RTC_CENTURY), ==, (y >> 8)); \
-    } while(0)
-
-static void basic_12h_bcd(void)
-{
-    /* set BCD 12 hour mode */
-    set_time(0, 0x81, 0x59, 0x00);
-    clock_step(1000000000LL);
-    assert_time(0x81, 0x59, 0x01);
-    clock_step(59000000000LL);
-    assert_time(0x82, 0x00, 0x00);
-
-    /* test BCD wraparound */
-    set_time(0, 0x09, 0x59, 0x59);
-    clock_step(60000000000LL);
-    assert_time(0x10, 0x00, 0x59);
-
-    /* 12 AM -> 1 AM */
-    set_time(0, 0x12, 0x59, 0x59);
-    clock_step(1000000000LL);
-    assert_time(0x01, 0x00, 0x00);
-
-    /* 12 PM -> 1 PM */
-    set_time(0, 0x92, 0x59, 0x59);
-    clock_step(1000000000LL);
-    assert_time(0x81, 0x00, 0x00);
-
-    /* 11 AM -> 12 PM */
-    set_time(0, 0x11, 0x59, 0x59);
-    clock_step(1000000000LL);
-    assert_time(0x92, 0x00, 0x00);
-    /* TODO: test day wraparound */
-
-    /* 11 PM -> 12 AM */
-    set_time(0, 0x91, 0x59, 0x59);
-    clock_step(1000000000LL);
-    assert_time(0x12, 0x00, 0x00);
-    /* TODO: test day wraparound */
-}
-
-static void basic_12h_dec(void)
-{
-    /* set decimal 12 hour mode */
-    set_time(REG_B_DM, 0x81, 59, 0);
-    clock_step(1000000000LL);
-    assert_time(0x81, 59, 1);
-    clock_step(59000000000LL);
-    assert_time(0x82, 0, 0);
-
-    /* 12 PM -> 1 PM */
-    set_time(REG_B_DM, 0x8c, 59, 59);
-    clock_step(1000000000LL);
-    assert_time(0x81, 0, 0);
-
-    /* 12 AM -> 1 AM */
-    set_time(REG_B_DM, 0x0c, 59, 59);
-    clock_step(1000000000LL);
-    assert_time(0x01, 0, 0);
-
-    /* 11 AM -> 12 PM */
-    set_time(REG_B_DM, 0x0b, 59, 59);
-    clock_step(1000000000LL);
-    assert_time(0x8c, 0, 0);
-
-    /* 11 PM -> 12 AM */
-    set_time(REG_B_DM, 0x8b, 59, 59);
-    clock_step(1000000000LL);
-    assert_time(0x0c, 0, 0);
-    /* TODO: test day wraparound */
-}
-
-static void basic_24h_bcd(void)
-{
-    /* set BCD 24 hour mode */
-    set_time(REG_B_24H, 0x09, 0x59, 0x00);
-    clock_step(1000000000LL);
-    assert_time(0x09, 0x59, 0x01);
-    clock_step(59000000000LL);
-    assert_time(0x10, 0x00, 0x00);
-
-    /* test BCD wraparound */
-    set_time(REG_B_24H, 0x09, 0x59, 0x00);
-    clock_step(60000000000LL);
-    assert_time(0x10, 0x00, 0x00);
-
-    /* TODO: test day wraparound */
-    set_time(REG_B_24H, 0x23, 0x59, 0x00);
-    clock_step(60000000000LL);
-    assert_time(0x00, 0x00, 0x00);
-}
-
-static void basic_24h_dec(void)
-{
-    /* set decimal 24 hour mode */
-    set_time(REG_B_24H | REG_B_DM, 9, 59, 0);
-    clock_step(1000000000LL);
-    assert_time(9, 59, 1);
-    clock_step(59000000000LL);
-    assert_time(10, 0, 0);
-
-    /* test BCD wraparound */
-    set_time(REG_B_24H | REG_B_DM, 9, 59, 0);
-    clock_step(60000000000LL);
-    assert_time(10, 0, 0);
-
-    /* TODO: test day wraparound */
-    set_time(REG_B_24H | REG_B_DM, 23, 59, 0);
-    clock_step(60000000000LL);
-    assert_time(0, 0, 0);
-}
-
-static void am_pm_alarm(void)
-{
-    cmos_write(RTC_MINUTES_ALARM, 0xC0);
-    cmos_write(RTC_SECONDS_ALARM, 0xC0);
-
-    /* set BCD 12 hour mode */
-    cmos_write(RTC_REG_B, 0);
-
-    /* Set time and alarm hour.  */
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_HOURS_ALARM, 0x82);
-    cmos_write(RTC_HOURS, 0x81);
-    cmos_write(RTC_MINUTES, 0x59);
-    cmos_write(RTC_SECONDS, 0x00);
-    cmos_read(RTC_REG_C);
-    cmos_write(RTC_REG_A, 0x26);
-
-    /* Check that alarm triggers when AM/PM is set.  */
-    clock_step(60000000000LL);
-    g_assert(cmos_read(RTC_HOURS) == 0x82);
-    g_assert((cmos_read(RTC_REG_C) & REG_C_AF) != 0);
-
-    /*
-     * Each of the following two tests takes over 60 seconds due to the time
-     * needed to report the PIT interrupts.  Unfortunately, our PIT device
-     * model keeps counting even when GATE=0, so we cannot simply disable
-     * it in main().
-     */
-    if (g_test_quick()) {
-        return;
-    }
-
-    /* set DEC 12 hour mode */
-    cmos_write(RTC_REG_B, REG_B_DM);
-
-    /* Set time and alarm hour.  */
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_HOURS_ALARM, 0x82);
-    cmos_write(RTC_HOURS, 3);
-    cmos_write(RTC_MINUTES, 0);
-    cmos_write(RTC_SECONDS, 0);
-    cmos_read(RTC_REG_C);
-    cmos_write(RTC_REG_A, 0x26);
-
-    /* Check that alarm triggers.  */
-    clock_step(3600 * 11 * 1000000000LL);
-    g_assert(cmos_read(RTC_HOURS) == 0x82);
-    g_assert((cmos_read(RTC_REG_C) & REG_C_AF) != 0);
-
-    /* Same as above, with inverted HOURS and HOURS_ALARM.  */
-    cmos_write(RTC_REG_A, 0x76);
-    cmos_write(RTC_HOURS_ALARM, 2);
-    cmos_write(RTC_HOURS, 3);
-    cmos_write(RTC_MINUTES, 0);
-    cmos_write(RTC_SECONDS, 0);
-    cmos_read(RTC_REG_C);
-    cmos_write(RTC_REG_A, 0x26);
-
-    /* Check that alarm does not trigger if hours differ only by AM/PM.  */
-    clock_step(3600 * 11 * 1000000000LL);
-    g_assert(cmos_read(RTC_HOURS) == 0x82);
-    g_assert((cmos_read(RTC_REG_C) & REG_C_AF) == 0);
-}
-
-/* success if no crash or abort */
-static void fuzz_registers(void)
-{
-    unsigned int i;
-
-    for (i = 0; i < 1000; i++) {
-        uint8_t reg, val;
-
-        reg = (uint8_t)g_test_rand_int_range(0, 16);
-        val = (uint8_t)g_test_rand_int_range(0, 256);
-
-        cmos_write(reg, val);
-        cmos_read(reg);
-    }
-}
-
-static void register_b_set_flag(void)
-{
-    if (cmos_read(RTC_REG_A) & REG_A_UIP) {
-        clock_step(UIP_HOLD_LENGTH + NANOSECONDS_PER_SECOND / 5);
-    }
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, ==, 0);
-
-    /* Enable binary-coded decimal (BCD) mode and SET flag in Register B*/
-    cmos_write(RTC_REG_B, REG_B_24H | REG_B_SET);
-
-    set_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* Since SET flag is still enabled, time does not advance. */
-    clock_step(1000000000LL);
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* Disable SET flag in Register B */
-    cmos_write(RTC_REG_B, cmos_read(RTC_REG_B) & ~REG_B_SET);
-
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* Since SET flag is disabled, the clock now advances.  */
-    clock_step(1000000000LL);
-    assert_datetime_bcd(0x02, 0x04, 0x59, 0x02, 0x02, 0x2011);
-}
-
-static void divider_reset(void)
-{
-    /* Enable binary-coded decimal (BCD) mode in Register B*/
-    cmos_write(RTC_REG_B, REG_B_24H);
-
-    /* Enter divider reset */
-    cmos_write(RTC_REG_A, 0x76);
-    set_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* Since divider reset flag is still enabled, these are equality checks. */
-    clock_step(1000000000LL);
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* The first update ends 500 ms after divider reset */
-    cmos_write(RTC_REG_A, 0x26);
-    clock_step(500000000LL - UIP_HOLD_LENGTH - 1);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, ==, 0);
-    assert_datetime_bcd(0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    clock_step(1);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, !=, 0);
-    clock_step(UIP_HOLD_LENGTH);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, ==, 0);
-
-    assert_datetime_bcd(0x02, 0x04, 0x59, 0x02, 0x02, 0x2011);
-}
-
-static void uip_stuck(void)
-{
-    set_datetime(REG_B_24H, 0x02, 0x04, 0x58, 0x02, 0x02, 0x2011);
-
-    /* The first update ends 500 ms after divider reset */
-    (void)cmos_read(RTC_REG_C);
-    clock_step(500000000LL);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, ==, 0);
-    assert_datetime_bcd(0x02, 0x04, 0x59, 0x02, 0x02, 0x2011);
-
-    /* UF is now set.  */
-    cmos_write(RTC_HOURS_ALARM, 0x02);
-    cmos_write(RTC_MINUTES_ALARM, 0xC0);
-    cmos_write(RTC_SECONDS_ALARM, 0xC0);
-
-    /* Because the alarm will fire soon, reading register A will latch UIP.  */
-    clock_step(1000000000LL - UIP_HOLD_LENGTH / 2);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, !=, 0);
-
-    /* Move the alarm far away.  This must not cause UIP to remain stuck!  */
-    cmos_write(RTC_HOURS_ALARM, 0x03);
-    clock_step(UIP_HOLD_LENGTH);
-    g_assert_cmpint(cmos_read(RTC_REG_A) & REG_A_UIP, ==, 0);
-}
-
-#define RTC_PERIOD_CODE1    13   /* 8 Hz */
-#define RTC_PERIOD_CODE2    15   /* 2 Hz */
-
-#define RTC_PERIOD_TEST_NR  50
-
-static uint64_t wait_periodic_interrupt(uint64_t real_time)
-{
-    while (!get_irq(RTC_ISA_IRQ)) {
-        real_time = clock_step_next();
-    }
-
-    g_assert((cmos_read(RTC_REG_C) & REG_C_PF) != 0);
-    return real_time;
-}
-
-static void periodic_timer(void)
-{
-    int i;
-    uint64_t period_clocks, period_time, start_time, real_time;
-
-    /* disable all interrupts. */
-    cmos_write(RTC_REG_B, cmos_read(RTC_REG_B) &
-                                   ~(REG_B_PIE | REG_B_AIE | REG_B_UIE));
-    cmos_write(RTC_REG_A, RTC_PERIOD_CODE1);
-    /* enable periodic interrupt after properly configure the period. */
-    cmos_write(RTC_REG_B, cmos_read(RTC_REG_B) | REG_B_PIE);
-
-    start_time = real_time = clock_step_next();
-
-    for (i = 0; i < RTC_PERIOD_TEST_NR; i++) {
-        cmos_write(RTC_REG_A, RTC_PERIOD_CODE1);
-        real_time = wait_periodic_interrupt(real_time);
-        cmos_write(RTC_REG_A, RTC_PERIOD_CODE2);
-        real_time = wait_periodic_interrupt(real_time);
-    }
-
-    period_clocks = periodic_period_to_clock(RTC_PERIOD_CODE1) +
-                       periodic_period_to_clock(RTC_PERIOD_CODE2);
-    period_clocks *= RTC_PERIOD_TEST_NR;
-    period_time = periodic_clock_to_ns(period_clocks);
-
-    real_time -= start_time;
-    g_assert_cmpint(ABS((int64_t)(real_time - period_time)), <=,
-                    NANOSECONDS_PER_SECOND * 0.5);
-}
-
-int main(int argc, char **argv)
-{
-    QTestState *s = NULL;
-    int ret;
-
-    g_test_init(&argc, &argv, NULL);
-
-    s = qtest_start("-rtc clock=vm");
-    qtest_irq_intercept_in(s, "ioapic");
-
-    qtest_add_func("/rtc/check-time/bcd", bcd_check_time);
-    qtest_add_func("/rtc/check-time/dec", dec_check_time);
-    qtest_add_func("/rtc/alarm/interrupt", alarm_time);
-    qtest_add_func("/rtc/alarm/am-pm", am_pm_alarm);
-    qtest_add_func("/rtc/basic/dec-24h", basic_24h_dec);
-    qtest_add_func("/rtc/basic/bcd-24h", basic_24h_bcd);
-    qtest_add_func("/rtc/basic/dec-12h", basic_12h_dec);
-    qtest_add_func("/rtc/basic/bcd-12h", basic_12h_bcd);
-    qtest_add_func("/rtc/set-year/20xx", set_year_20xx);
-    qtest_add_func("/rtc/set-year/1980", set_year_1980);
-    qtest_add_func("/rtc/update/register_b_set_flag", register_b_set_flag);
-    qtest_add_func("/rtc/update/divider-reset", divider_reset);
-    qtest_add_func("/rtc/update/uip-stuck", uip_stuck);
-    qtest_add_func("/rtc/misc/fuzz-registers", fuzz_registers);
-    qtest_add_func("/rtc/periodic/interrupt", periodic_timer);
-
-    ret = g_test_run();
-
-    if (s) {
-        qtest_quit(s);
-    }
-
-    return ret;
-}