config CMD_DATE
bool "date"
default y if DM_RTC
+ select LIB_DATE
help
Enable the 'date' command for getting/setting the time/date in RTC
devices.
config DM_RTC
bool "Enable Driver Model for RTC drivers"
depends on DM
+ select LIB_DATE
help
Enable drver model for real-time-clock drivers. The RTC uclass
then provides the rtc_get()/rtc_set() interface, delegating to
obj-$(CONFIG_$(SPL_TPL_)DM_RTC) += rtc-uclass.o
obj-$(CONFIG_RTC_AT91SAM9_RTT) += at91sam9_rtt.o
-obj-y += date.o
obj-y += rtc-lib.o
obj-$(CONFIG_RTC_DAVINCI) += davinci.o
obj-$(CONFIG_RTC_DS1302) += ds1302.o
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
-
-#include <common.h>
-#include <command.h>
-#include <errno.h>
-#include <rtc.h>
-
-#if defined(CONFIG_CMD_DATE) || defined(CONFIG_DM_RTC) || \
- defined(CONFIG_TIMESTAMP)
-
-#define FEBRUARY 2
-#define STARTOFTIME 1970
-#define SECDAY 86400L
-#define SECYR (SECDAY * 365)
-#define leapyear(year) ((year) % 4 == 0)
-#define days_in_year(a) (leapyear(a) ? 366 : 365)
-#define days_in_month(a) (month_days[(a) - 1])
-
-static int month_offset[] = {
- 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
-};
-
-/*
- * This only works for the Gregorian calendar - i.e. after 1752 (in the UK)
- */
-int rtc_calc_weekday(struct rtc_time *tm)
-{
- int leaps_to_date;
- int last_year;
- int day;
-
- if (tm->tm_year < 1753)
- return -1;
- last_year = tm->tm_year - 1;
-
- /* Number of leap corrections to apply up to end of last year */
- leaps_to_date = last_year / 4 - last_year / 100 + last_year / 400;
-
- /*
- * This year is a leap year if it is divisible by 4 except when it is
- * divisible by 100 unless it is divisible by 400
- *
- * e.g. 1904 was a leap year, 1900 was not, 1996 is, and 2000 is.
- */
- if (tm->tm_year % 4 == 0 &&
- ((tm->tm_year % 100 != 0) || (tm->tm_year % 400 == 0)) &&
- tm->tm_mon > 2) {
- /* We are past Feb. 29 in a leap year */
- day = 1;
- } else {
- day = 0;
- }
-
- day += last_year * 365 + leaps_to_date + month_offset[tm->tm_mon - 1] +
- tm->tm_mday;
- tm->tm_wday = day % 7;
-
- return 0;
-}
-
-/*
- * Converts Gregorian date to seconds since 1970-01-01 00:00:00.
- * Assumes input in normal date format, i.e. 1980-12-31 23:59:59
- * => year=1980, mon=12, day=31, hour=23, min=59, sec=59.
- *
- * [For the Julian calendar (which was used in Russia before 1917,
- * Britain & colonies before 1752, anywhere else before 1582,
- * and is still in use by some communities) leave out the
- * -year / 100 + year / 400 terms, and add 10.]
- *
- * This algorithm was first published by Gauss (I think).
- *
- * WARNING: this function will overflow on 2106-02-07 06:28:16 on
- * machines where long is 32-bit! (However, as time_t is signed, we
- * will already get problems at other places on 2038-01-19 03:14:08)
- */
-unsigned long rtc_mktime(const struct rtc_time *tm)
-{
- int mon = tm->tm_mon;
- int year = tm->tm_year;
- int days, hours;
-
- mon -= 2;
- if (0 >= (int)mon) { /* 1..12 -> 11, 12, 1..10 */
- mon += 12; /* Puts Feb last since it has leap day */
- year -= 1;
- }
-
- days = (unsigned long)(year / 4 - year / 100 + year / 400 +
- 367 * mon / 12 + tm->tm_mday) +
- year * 365 - 719499;
- hours = days * 24 + tm->tm_hour;
- return (hours * 60 + tm->tm_min) * 60 + tm->tm_sec;
-}
-
-#endif
bool "enable fdtdec test"
depends on OF_LIBFDT
+config LIB_DATE
+ bool
+
endmenu
obj-y += vsprintf.o strto.o
endif
+obj-y += date.o
+
subdir-ccflags-$(CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED) += -O2
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <errno.h>
+#include <rtc.h>
+
+#if defined(CONFIG_LIB_DATE) || defined(CONFIG_TIMESTAMP)
+
+#define FEBRUARY 2
+#define STARTOFTIME 1970
+#define SECDAY 86400L
+#define SECYR (SECDAY * 365)
+#define leapyear(year) ((year) % 4 == 0)
+#define days_in_year(a) (leapyear(a) ? 366 : 365)
+#define days_in_month(a) (month_days[(a) - 1])
+
+static int month_offset[] = {
+ 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
+};
+
+/*
+ * This only works for the Gregorian calendar - i.e. after 1752 (in the UK)
+ */
+int rtc_calc_weekday(struct rtc_time *tm)
+{
+ int leaps_to_date;
+ int last_year;
+ int day;
+
+ if (tm->tm_year < 1753)
+ return -1;
+ last_year = tm->tm_year - 1;
+
+ /* Number of leap corrections to apply up to end of last year */
+ leaps_to_date = last_year / 4 - last_year / 100 + last_year / 400;
+
+ /*
+ * This year is a leap year if it is divisible by 4 except when it is
+ * divisible by 100 unless it is divisible by 400
+ *
+ * e.g. 1904 was a leap year, 1900 was not, 1996 is, and 2000 is.
+ */
+ if (tm->tm_year % 4 == 0 &&
+ ((tm->tm_year % 100 != 0) || (tm->tm_year % 400 == 0)) &&
+ tm->tm_mon > 2) {
+ /* We are past Feb. 29 in a leap year */
+ day = 1;
+ } else {
+ day = 0;
+ }
+
+ day += last_year * 365 + leaps_to_date + month_offset[tm->tm_mon - 1] +
+ tm->tm_mday;
+ tm->tm_wday = day % 7;
+
+ return 0;
+}
+
+/*
+ * Converts Gregorian date to seconds since 1970-01-01 00:00:00.
+ * Assumes input in normal date format, i.e. 1980-12-31 23:59:59
+ * => year=1980, mon=12, day=31, hour=23, min=59, sec=59.
+ *
+ * [For the Julian calendar (which was used in Russia before 1917,
+ * Britain & colonies before 1752, anywhere else before 1582,
+ * and is still in use by some communities) leave out the
+ * -year / 100 + year / 400 terms, and add 10.]
+ *
+ * This algorithm was first published by Gauss (I think).
+ *
+ * WARNING: this function will overflow on 2106-02-07 06:28:16 on
+ * machines where long is 32-bit! (However, as time_t is signed, we
+ * will already get problems at other places on 2038-01-19 03:14:08)
+ */
+unsigned long rtc_mktime(const struct rtc_time *tm)
+{
+ int mon = tm->tm_mon;
+ int year = tm->tm_year;
+ int days, hours;
+
+ mon -= 2;
+ if (0 >= (int)mon) { /* 1..12 -> 11, 12, 1..10 */
+ mon += 12; /* Puts Feb last since it has leap day */
+ year -= 1;
+ }
+
+ days = (unsigned long)(year / 4 - year / 100 + year / 400 +
+ 367 * mon / 12 + tm->tm_mday) +
+ year * 365 - 719499;
+ hours = days * 24 + tm->tm_hour;
+ return (hours * 60 + tm->tm_min) * 60 + tm->tm_sec;
+}
+
+#endif /* CONFIG_LIB_DATE || CONFIG_TIMESTAMP */