mc146818rtc: Update the Day of Week in CMOS in the right way.
The range of weekday in CMOS is 01-07, while the Sunday is 1, and
Saturday is 7. The comand date in coreutils defines
%u day of week (1..7); 1 is Monday
%w day of week (0..6); 0 is Sunday
There are 1 day offset for each week day. So we use "%w" and plus 1
before we update the weekday in CMOS.
Change-Id: I3fab4e95f04924ff0ba10a7012b57da1d3f0d1a5
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: zbao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/1802
Tested-by: build bot (Jenkins)
Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com>
diff --git a/Makefile.inc b/Makefile.inc
index a6cffe1..71fdbc2 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -182,7 +182,7 @@
printf "#define COREBOOT_BUILD_YEAR `LANG= date +"%-y"`\n" >> $(obj)/build.ht
printf "#define COREBOOT_BUILD_MONTH `LANG= date +"%-m"`\n" >> $(obj)/build.ht
printf "#define COREBOOT_BUILD_DAY `LANG= date +"%-d"`\n" >> $(obj)/build.ht
- printf "#define COREBOOT_BUILD_WEEKDAY `LANG= date +"%-u"`\n" >> $(obj)/build.ht
+ printf "#define COREBOOT_BUILD_WEEKDAY `LANG= date +"%-w"`\n" >> $(obj)/build.ht
printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
printf "\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
diff --git a/src/drivers/pc80/mc146818rtc.c b/src/drivers/pc80/mc146818rtc.c
index 6e5b92a..aee4df7 100644
--- a/src/drivers/pc80/mc146818rtc.c
+++ b/src/drivers/pc80/mc146818rtc.c
@@ -87,7 +87,7 @@
cmos_write(0, RTC_CLK_SECOND);
cmos_write(0, RTC_CLK_MINUTE);
cmos_write(1, RTC_CLK_HOUR);
- cmos_write(RTC_TO_BCD(COREBOOT_BUILD_WEEKDAY), RTC_CLK_DAYOFWEEK);
+ cmos_write(RTC_TO_BCD(COREBOOT_BUILD_WEEKDAY) + 1, RTC_CLK_DAYOFWEEK);
cmos_write(RTC_TO_BCD(COREBOOT_BUILD_DAY), RTC_CLK_DAYOFMONTH);
cmos_write(RTC_TO_BCD(COREBOOT_BUILD_MONTH), RTC_CLK_MINUTE);
cmos_write(RTC_TO_BCD(COREBOOT_BUILD_YEAR), RTC_CLK_YEAR);