CVS log for src/sys/dev/ic/mc146818.c

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Keyword substitution: kv
Default branch: MAIN

Expose mc146818_{get,set}time_ymdhms() and allow a front-end to override
these function pointers in the TODR handle, allowing the front-end to
wrap mc146818_{get,set}time_ymdhms() with special handling, if needed.

Merge changes from current as of 20200406

Fix some issues around todr_wenable():
- As previously defined, it was not possible to return an error from the
  back-end RTC driver.  Make it a real function so that it can do so.
- Only the mc146818 and mk48txx drivers used it (for historical reasons).
  Centralize the logic for how it's used in kern_todr.c (and make it private
  to that file) for consistency.

update from HEAD

use the inline bcdtobin and bintobcd directly instead through a macro.

sync with head.

Sync with HEAD.

Sync with HEAD.

Pull up following revision(s) (requested by tsutsui in ticket #184):
	sys/dev/ic/mc146818.c: revision 1.17
	sys/dev/ic/mc146818.c: revision 1.18
The wrong sense of the UIP register is used to test for a pending clock
update; this test is now correct.
mc146818_settime_ymdhms has been refactored to simply stop clock updates
while the time is being set.  Based on FreeBSD code and macros in
mc146868reg.h.
Revert part of previous that reverted part of rev 1.14
which didn't affect the bug. (use __func__ to print function names)

Pull up following revision(s) (requested by tsutsui in ticket #1248):
	sys/dev/ic/mc146818.c: revision 1.17 via patch
The wrong sense of the UIP register is used to test for a pending clock
update; this test is now correct.
mc146818_settime_ymdhms has been refactored to simply stop clock updates
while the time is being set.  Based on FreeBSD code and macros in
mc146868reg.h.

Revert part of previous that reverted part of rev 1.14
which didn't affect the bug. (use __func__ to print function names)

Update haad-dm branch to haad-dm-base2.

The wrong sense of the UIP register is used to test for a pending clock
update; this test is now correct.

mc146818_settime_ymdhms has been refactored to simply stop clock updates
while the time is being set.  Based on FreeBSD code and macros in
mc146868reg.h.

Sync w/ -current. 34 merge conflicts to follow.

Sync with HEAD.

sync with head.

sync with head.

Normalize my licenses.

sync with HEAD

Sync with HEAD.

sync with head

Sync with HEAD

Move todr_attach(9) calls from each MD attachment to MI mc146818_attach().

- use aprint_normal(9)
- use __func__ to print function names

sync with HEAD

sync with head.

Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.

Sync with HEAD.

Sync with head.

machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h

sync with head.

Sync with head.

sync with head.

Fix a typo (settime -> gettime) so that we can get time.

sync with head

Revert rev 1.9.  As pointed out by Izumi Tsutsui, the \n is printed
by MD code.

Switch to friendlier todr ymdhms entry points.  Moved a consistency check
to common kern_todr.c while here.

Add \n to end of autoconf message.

Remove unused todr_setcal/todr_getcal and all the assorted stub
implementations.

merge ktrace-lwp.

Sync with HEAD. Here we go again...

Fix the various todr_gettime() and todr_settime() fallouts from
-Wcast-qual differently, by instead changing the signatore of those
"functions" to take a "volatile struct timeval*" instead of a
"struct timeval*".  Many places, these functions are called with
&time, and time is declared as volatile in <sys/kernel.h>.  This
way we can get rid of all the ugly casts which now also triggered
warnings, and caused more code to be added to work around the
problem.

Reviewed by thorpej.

Sync with HEAD

Use ANSI function decls.

Fix the sync with head I botched.

Sync with HEAD.

Sync with HEAD

file mc146818.c was added on branch ktrace-lwp on 2004-08-03 10:46:17 +0000

Handle BCD mode properly.

Rename flag NO_CENTURY_ADJUST -> MC146818_NO_CENT_ADJUST to avoid conflicts.

Fix think-o about century handling in settime function.

Add MI driver for mc146818 based time-of-day clock with todr(9) support.