rtc-test: add testcases for alarms in 12hour mode
Trying (unsuccessfully) to break the device model as mentioned in https://bugs.launchpad.net/qemu/+bug/1090558. At least if someone tries to fix that, it won't break what works... Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1357922817-17584-3-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini
Anthony Liguori
parent
f9b3ed401c
commit
cc2832a51c
202
tests/rtc-test.c
202
tests/rtc-test.c
@ -299,6 +299,197 @@ static void alarm_time(void)
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g_assert(cmos_read(RTC_REG_C) == 0);
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}
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static void set_time(int mode, int h, int m, int s)
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{
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/* set BCD 12 hour mode */
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cmos_write(RTC_REG_B, mode);
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cmos_write(RTC_REG_A, 0x76);
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cmos_write(RTC_HOURS, h);
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cmos_write(RTC_MINUTES, m);
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cmos_write(RTC_SECONDS, s);
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cmos_write(RTC_REG_A, 0x26);
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}
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#define assert_time(h, m, s) \
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do { \
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g_assert_cmpint(cmos_read(RTC_HOURS), ==, h); \
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g_assert_cmpint(cmos_read(RTC_MINUTES), ==, m); \
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g_assert_cmpint(cmos_read(RTC_SECONDS), ==, s); \
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} while(0)
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static void basic_12h_bcd(void)
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{
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/* set BCD 12 hour mode */
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set_time(0, 0x81, 0x59, 0x00);
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clock_step(1000000000LL);
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assert_time(0x81, 0x59, 0x01);
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clock_step(59000000000LL);
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assert_time(0x82, 0x00, 0x00);
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/* test BCD wraparound */
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set_time(0, 0x09, 0x59, 0x59);
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clock_step(60000000000LL);
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assert_time(0x10, 0x00, 0x59);
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/* 12 AM -> 1 AM */
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set_time(0, 0x12, 0x59, 0x59);
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clock_step(1000000000LL);
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assert_time(0x01, 0x00, 0x00);
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/* 12 PM -> 1 PM */
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set_time(0, 0x92, 0x59, 0x59);
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clock_step(1000000000LL);
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assert_time(0x81, 0x00, 0x00);
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/* 11 AM -> 12 PM */
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set_time(0, 0x11, 0x59, 0x59);
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clock_step(1000000000LL);
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assert_time(0x92, 0x00, 0x00);
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/* TODO: test day wraparound */
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/* 11 PM -> 12 AM */
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set_time(0, 0x91, 0x59, 0x59);
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clock_step(1000000000LL);
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assert_time(0x12, 0x00, 0x00);
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/* TODO: test day wraparound */
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}
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static void basic_12h_dec(void)
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{
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/* set decimal 12 hour mode */
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set_time(REG_B_DM, 0x81, 59, 0);
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clock_step(1000000000LL);
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assert_time(0x81, 59, 1);
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clock_step(59000000000LL);
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assert_time(0x82, 0, 0);
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/* 12 PM -> 1 PM */
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set_time(REG_B_DM, 0x8c, 59, 59);
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clock_step(1000000000LL);
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assert_time(0x81, 0, 0);
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/* 12 AM -> 1 AM */
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set_time(REG_B_DM, 0x0c, 59, 59);
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clock_step(1000000000LL);
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assert_time(0x01, 0, 0);
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/* 11 AM -> 12 PM */
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set_time(REG_B_DM, 0x0b, 59, 59);
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clock_step(1000000000LL);
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assert_time(0x8c, 0, 0);
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/* 11 PM -> 12 AM */
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set_time(REG_B_DM, 0x8b, 59, 59);
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clock_step(1000000000LL);
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assert_time(0x0c, 0, 0);
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/* TODO: test day wraparound */
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}
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static void basic_24h_bcd(void)
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{
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/* set BCD 24 hour mode */
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set_time(REG_B_24H, 0x09, 0x59, 0x00);
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clock_step(1000000000LL);
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assert_time(0x09, 0x59, 0x01);
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clock_step(59000000000LL);
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assert_time(0x10, 0x00, 0x00);
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/* test BCD wraparound */
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set_time(REG_B_24H, 0x09, 0x59, 0x00);
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clock_step(60000000000LL);
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assert_time(0x10, 0x00, 0x00);
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/* TODO: test day wraparound */
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set_time(REG_B_24H, 0x23, 0x59, 0x00);
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clock_step(60000000000LL);
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assert_time(0x00, 0x00, 0x00);
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}
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static void basic_24h_dec(void)
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{
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/* set decimal 24 hour mode */
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set_time(REG_B_24H | REG_B_DM, 9, 59, 0);
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clock_step(1000000000LL);
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assert_time(9, 59, 1);
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clock_step(59000000000LL);
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assert_time(10, 0, 0);
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/* test BCD wraparound */
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set_time(REG_B_24H | REG_B_DM, 9, 59, 0);
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clock_step(60000000000LL);
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assert_time(10, 0, 0);
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/* TODO: test day wraparound */
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set_time(REG_B_24H | REG_B_DM, 23, 59, 0);
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clock_step(60000000000LL);
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assert_time(0, 0, 0);
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}
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static void am_pm_alarm(void)
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{
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cmos_write(RTC_MINUTES_ALARM, 0xC0);
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cmos_write(RTC_SECONDS_ALARM, 0xC0);
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/* set BCD 12 hour mode */
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cmos_write(RTC_REG_B, 0);
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/* Set time and alarm hour. */
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cmos_write(RTC_REG_A, 0x76);
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cmos_write(RTC_HOURS_ALARM, 0x82);
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cmos_write(RTC_HOURS, 0x81);
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cmos_write(RTC_MINUTES, 0x59);
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cmos_write(RTC_SECONDS, 0x00);
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cmos_read(RTC_REG_C);
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cmos_write(RTC_REG_A, 0x26);
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/* Check that alarm triggers when AM/PM is set. */
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clock_step(60000000000LL);
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g_assert(cmos_read(RTC_HOURS) == 0x82);
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g_assert((cmos_read(RTC_REG_C) & REG_C_AF) != 0);
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/*
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* Each of the following two tests takes over 60 seconds due to the time
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* needed to report the PIT interrupts. Unfortunately, our PIT device
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* model keeps counting even when GATE=0, so we cannot simply disable
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* it in main().
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*/
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if (g_test_quick()) {
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return;
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}
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/* set DEC 12 hour mode */
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cmos_write(RTC_REG_B, REG_B_DM);
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/* Set time and alarm hour. */
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cmos_write(RTC_REG_A, 0x76);
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cmos_write(RTC_HOURS_ALARM, 0x82);
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cmos_write(RTC_HOURS, 3);
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cmos_write(RTC_MINUTES, 0);
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cmos_write(RTC_SECONDS, 0);
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cmos_read(RTC_REG_C);
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cmos_write(RTC_REG_A, 0x26);
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/* Check that alarm triggers. */
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clock_step(3600 * 11 * 1000000000LL);
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g_assert(cmos_read(RTC_HOURS) == 0x82);
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g_assert((cmos_read(RTC_REG_C) & REG_C_AF) != 0);
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/* Same as above, with inverted HOURS and HOURS_ALARM. */
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cmos_write(RTC_REG_A, 0x76);
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cmos_write(RTC_HOURS_ALARM, 2);
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cmos_write(RTC_HOURS, 3);
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cmos_write(RTC_MINUTES, 0);
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cmos_write(RTC_SECONDS, 0);
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cmos_read(RTC_REG_C);
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cmos_write(RTC_REG_A, 0x26);
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/* Check that alarm does not trigger if hours differ only by AM/PM. */
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clock_step(3600 * 11 * 1000000000LL);
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g_assert(cmos_read(RTC_HOURS) == 0x82);
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g_assert((cmos_read(RTC_REG_C) & REG_C_AF) == 0);
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}
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/* success if no crash or abort */
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static void fuzz_registers(void)
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{
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@ -364,9 +555,14 @@ int main(int argc, char **argv)
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s = qtest_start("-display none -rtc clock=vm");
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qtest_irq_intercept_in(s, "ioapic");
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qtest_add_func("/rtc/bcd/check-time", bcd_check_time);
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qtest_add_func("/rtc/dec/check-time", dec_check_time);
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qtest_add_func("/rtc/alarm-time", alarm_time);
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qtest_add_func("/rtc/check-time/bcd", bcd_check_time);
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qtest_add_func("/rtc/check-time/dec", dec_check_time);
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qtest_add_func("/rtc/alarm/interrupt", alarm_time);
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qtest_add_func("/rtc/alarm/am-pm", am_pm_alarm);
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qtest_add_func("/rtc/basic/dec-24h", basic_24h_dec);
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qtest_add_func("/rtc/basic/bcd-24h", basic_24h_bcd);
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qtest_add_func("/rtc/basic/dec-12h", basic_12h_dec);
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qtest_add_func("/rtc/basic/bcd-12h", basic_12h_bcd);
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qtest_add_func("/rtc/set-year/20xx", set_year_20xx);
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qtest_add_func("/rtc/set-year/1980", set_year_1980);
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qtest_add_func("/rtc/register_b_set_flag", register_b_set_flag);
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