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Diffstat (limited to 'qemu/tests/m48t59-test.c')
-rw-r--r-- | qemu/tests/m48t59-test.c | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/qemu/tests/m48t59-test.c b/qemu/tests/m48t59-test.c deleted file mode 100644 index a751fd350..000000000 --- a/qemu/tests/m48t59-test.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * QTest testcase for the M48T59 and M48T08 real-time clocks - * - * Based on MC146818 RTC test: - * 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 <glib.h> - -#include "libqtest.h" - -#define RTC_SECONDS 0x9 -#define RTC_MINUTES 0xa -#define RTC_HOURS 0xb - -#define RTC_DAY_OF_WEEK 0xc -#define RTC_DAY_OF_MONTH 0xd -#define RTC_MONTH 0xe -#define RTC_YEAR 0xf - -static uint32_t base; -static uint16_t reg_base = 0x1ff0; /* 0x7f0 for m48t02 */ -static int base_year; -static bool use_mmio; - -static uint8_t cmos_read_mmio(uint8_t reg) -{ - return readb(base + (uint32_t)reg_base + (uint32_t)reg); -} - -static void cmos_write_mmio(uint8_t reg, uint8_t val) -{ - uint8_t data = val; - - writeb(base + (uint32_t)reg_base + (uint32_t)reg, data); -} - -static uint8_t cmos_read_ioio(uint8_t reg) -{ - outw(base + 0, reg_base + (uint16_t)reg); - return inb(base + 3); -} - -static void cmos_write_ioio(uint8_t reg, uint8_t val) -{ - outw(base + 0, reg_base + (uint16_t)reg); - outb(base + 3, val); -} - -static uint8_t cmos_read(uint8_t reg) -{ - if (use_mmio) { - return cmos_read_mmio(reg); - } else { - return cmos_read_ioio(reg); - } -} - -static void cmos_write(uint8_t reg, uint8_t val) -{ - if (use_mmio) { - cmos_write_mmio(reg, val); - } else { - cmos_write_ioio(reg, val); - } -} - -static int bcd2dec(int value) -{ - return (((value >> 4) & 0x0F) * 10) + (value & 0x0F); -} - -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 %+02ld\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 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); - - sec = bcd2dec(sec); - min = bcd2dec(min); - hour = bcd2dec(hour); - mday = bcd2dec(mday); - mon = bcd2dec(mon); - year = bcd2dec(year); - - 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\n", (s - t)); - } else { - g_test_message("RTC is %ld second(s) ahead of wall-clock\n", (t - s)); - } - - g_assert_cmpint(ABS(t - s), <=, wiggle); - } -} - -static int wiggle = 2; - -static void bcd_check_time(void) -{ - if (strcmp(qtest_get_arch(), "sparc64") == 0) { - base = 0x74; - base_year = 1900; - use_mmio = false; - } else if (strcmp(qtest_get_arch(), "sparc") == 0) { - base = 0x71200000; - base_year = 1968; - use_mmio = true; - } else { /* PPC: need to map macio in PCI */ - g_assert_not_reached(); - } - check_time(wiggle); -} - -/* 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); - - if (reg == 7) { - /* watchdog setup register, may trigger system reset, skip */ - continue; - } - - cmos_write(reg, val); - cmos_read(reg); - } -} - -int main(int argc, char **argv) -{ - QTestState *s = NULL; - int ret; - - g_test_init(&argc, &argv, NULL); - - s = qtest_start("-rtc clock=vm"); - - qtest_add_func("/rtc/bcd/check-time", bcd_check_time); - qtest_add_func("/rtc/fuzz-registers", fuzz_registers); - ret = g_test_run(); - - if (s) { - qtest_quit(s); - } - - return ret; -} |