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Mark Johnston d6ef759e5d Use separate descriptors in bhyve's stdio uart backend.
bhyve was previously using stdin for both reading and writing to the
console, which made it difficult to redirect console output.  Use
stdin for reading and stdout for writing.  This makes it easier to use
bhyve as a backend for syzkaller.

As a side effect, the change fixes a minor bug which would cause bhyve
to fail with ENOTCAPABLE if configured to use nmdm for com1 and stdio
for com2.

bhyveload already uses separate descriptors, as does the bvmcons driver.

Reviewed by:	jhb
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D19788
2019-04-22 13:57:52 +00:00
bin .Xr trim(8) from dd(1). 2019-03-26 15:44:06 +00:00
cddl Drop -g from CFLAGS for zfsd(8). No idea why it was ever there. 2019-04-16 12:25:15 +00:00
contrib MFV r346450: 2019-04-20 23:18:19 +00:00
crypto Add workaround for a QoS-related bug in VMWare Workstation. 2019-03-27 15:17:29 +00:00
etc libbe(3): Add a test for be creation 2019-04-22 13:45:08 +00:00
gnu Fix gdb/kgdb build under WITH_PIE 2019-04-01 19:19:51 +00:00
include Introduce funlinkat syscall that always us to check if we are removing 2019-04-06 09:34:26 +00:00
kerberos5 Add WITH_PIE knob to build Position Independent Executables 2019-02-15 22:22:38 +00:00
lib libbe(3): Add a test for be creation 2019-04-22 13:45:08 +00:00
libexec Fix order of destructors between main binary and libraries. 2019-04-15 13:03:09 +00:00
release Add support for cross-building cloudware images. 2019-04-03 21:54:47 +00:00
rescue rescue: set NO_SHARED in Makefile 2018-11-19 22:18:18 +00:00
sbin Typo fix in ipfw.8: amd -> and 2019-04-21 18:27:13 +00:00
secure Add workaround for a QoS-related bug in VMWare Workstation. 2019-03-27 15:17:29 +00:00
share psm(4): respect tap_disabled configuration with enabled Extended support 2019-04-20 21:04:56 +00:00
stand Start to reduce the number of #ifdef EFI_ZFS_BOOT 2019-04-20 05:31:56 +00:00
sys Clarify the relationship between INVARIANTS and DIAGNOSTIC a bit. 2019-04-22 11:31:13 +00:00
targets retire LINKER_FEATURES filter flag 2018-11-12 20:44:22 +00:00
tests Fix sys.kern.coredump_phnum_test.coredump_phnum on i386 2019-04-22 11:21:20 +00:00
tools As an interim measure until a more permanent solution is implemented 2019-04-18 01:02:00 +00:00
usr.bin dtc(1): Pull in fix for segfault-upon-error condition 2019-04-21 01:58:42 +00:00
usr.sbin Use separate descriptors in bhyve's stdio uart backend. 2019-04-22 13:57:52 +00:00
.arcconfig
.arclint
.cirrus.yml Cirrus-CI: pass OVMF env var to test script for upcoming changes 2019-04-11 13:01:26 +00:00
.gitattributes MK_ZFS -> {MK_ZFS|MK_LOADER_ZFS}, this is so we can diable userland / kernel 2019-01-05 22:45:20 +00:00
.gitignore Ignore _.universe-toolchain file. 2018-07-01 13:50:37 +00:00
COPYRIGHT Happy New Year 2019! 2019-01-01 00:25:25 +00:00
LOCKS
MAINTAINERS Add note that I'm the defacto maintainer of libegacy, our 2019-04-18 15:19:28 +00:00
Makefile Fix a typo when sanity checking in the bootstrap-tools target 2019-04-09 16:17:31 +00:00
Makefile.inc1 pkgbase: Use uname as ABI_FILE 2019-03-27 17:55:39 +00:00
Makefile.libcompat Use ...-freebsd13.0 in -target strings. 2018-11-12 16:55:20 +00:00
Makefile.sys.inc
ObsoleteFiles.inc Set tentative merge date, and bump __FreeBSD_version. 2019-03-04 19:23:11 +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 random(4): Restore availability tradeoff prior to r346250 2019-04-18 20:48:54 +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