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Breno Leitao 78f4e2fea0 powerpc64/powernv: re-read RTC after polling
If OPAL_RTC_READ is busy and does not return the information on the first run,
as returning OPAL_BUSY_EVENT, the system will crash since ymd and hmsm variable
will contain junk values.

This is happening because we were not calling OPAL_RTC_READ again after
OPAL_POLL_EVENTS' return, which would finally replace the old/junk hmsm and ymd
values.

The code was also mixing OPAL_RTC_READ and OPAL_POLL_EVENTS return values.

This patch fix this logic and guarantee that we call OPAL_RTC_READ after
OPAL_POLL_EVENTS return, and guarantee the code will only proceed if
OPAL_RTC_READ returns OPAL_SUCCESS.

Reviewed by: jhibbits
Approved by: jhibbits (mentor)
Differential Revision: https://reviews.freebsd.org/D16617
2018-08-08 21:19:07 +00:00
bin date(1): Add ISO 8601 formatting option 2018-08-04 21:54:30 +00:00
cddl MFV r337223: 2018-08-03 01:52:25 +00:00
contrib Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00
crypto Merge upstream patch to unbreak tunnel forwarding. 2018-05-16 14:04:39 +00:00
etc Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00
gnu Update libstdc++ configuration. 2018-07-16 18:53:28 +00:00
include msun: add ld80/ld128 powl, cpow, cpowf, cpowl from openbsd 2018-07-15 00:23:10 +00:00
kerberos5 Remove redundant space. 2018-07-10 00:26:13 +00:00
lib libc: fix cases of undefined behavior. 2018-08-07 15:24:19 +00:00
libexec Remove pointless comment. 2018-08-03 10:59:05 +00:00
release Fix copy-and-paste error in previous commit. 2018-08-07 00:51:49 +00:00
rescue Avoid referencing private lib names directly. 2017-11-10 07:53:02 +00:00
sbin When getting mount information for all filesystems, mount uses the 2018-08-07 21:17:45 +00:00
secure Upgrade to OpenSSH 7.7p1. 2018-05-11 13:22:43 +00:00
share Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00
stand Move description of init_shell, init_script, and init_chroot kenv 2018-08-07 19:23:03 +00:00
sys powerpc64/powernv: re-read RTC after polling 2018-08-08 21:19:07 +00:00
targets Remove special cases for armeb in the build. 2018-07-17 23:23:54 +00:00
tests Update PR 131876 regression tests after r337423. 2018-08-07 16:39:07 +00:00
tools Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00
usr.bin Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00
usr.sbin Fix the err() arguments for a nfssvc(8) failure. 2018-08-08 20:30:12 +00:00
.arcconfig callsign isn't required anymore 2016-09-29 06:19:45 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.gitattributes Remove spuriously added svn properties 2018-08-02 18:37:02 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Remove 'All Rights Reserved' from the collection copyright and templates. 2018-05-09 02:02:49 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add pointer to freebsd-numerics for libm. 2018-07-16 15:29:32 +00:00
Makefile As discussed several times on freebsd-arch, start to decommission armeb. 2018-07-17 23:23:34 +00:00
Makefile.inc1 build: skip the database check for the distributeworld target 2018-08-08 07:58:29 +00:00
Makefile.libcompat Install the 32-bit compat sanitizer libraries. 2018-08-03 18:52:51 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Add a few forgotten files to ObsoleteFiles.inc: 2018-07-25 17:14:05 +00:00
README README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
UPDATING Switch the default pager for most commands to less 2018-08-08 19:24:20 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html