You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Peter Xu 6ca206204f iothread: document about why we need explicit aio_poll() 8 months ago
accel hw/boards: Add a MachineState parameter to kvm_type callback 8 months ago
audio audio/sdlaudio: Simplify the sdl_callback function 8 months ago
authz authz: add QAuthZPAM object type for authorizing using PAM 8 months ago
backends hostmem: fix crash when querying empty host-nodes property via QMP 8 months ago
block Block layer patches: 8 months ago
bsd-user avoid TABs in files that only contain a few 10 months ago
capstone @ 22ead3e0bf disas: Add capstone as submodule 2 years ago
chardev char: register spice ports after spice started 8 months ago
contrib * cpu-exec fixes (Emilio, Laurent) 9 months ago
crypto authz: delete existing ACL implementation 8 months ago
default-configs pci, pc, virtio: fixes, cleanups, tests 8 months ago
disas disas: nanoMIPS: Add graphical description of pool organization 8 months ago
docs Python queue, 2019-02-22 8 months ago
dtc @ 88f18909db Update dtc/libfdt submodule to v1.4.7 1 year ago
fpu softfloat: Support float_round_to_odd more places 8 months ago
fsdev qemu/queue.h: leave head structs anonymous unless necessary 10 months ago
gdb-xml gdbstub: Fix i386/x86_64 machine description and add control registers 9 months ago
hw hw/block/virtio-blk: Clean req->dev repetitions 8 months ago
include iothread: create the gcontext unconditionally 8 months ago
io io: Remove redundant read/write_coroutine assignments 8 months ago
libdecnumber build: remove CONFIG_LIBDECNUMBER 2 years ago
linux-headers include: update Linux headers to 4.21-rc1/5.0-rc1 9 months ago
linux-user target/arm: Implement ARMv8.4-CondM 8 months ago
migration Migration/colo.c: Make COLO node running after failover 8 months ago
nbd nbd: Use low-level QIOChannel API in nbd_read_eof() 8 months ago
net qmp: Add announce-self command 8 months ago
pc-bios hw/hppa/dino: mask out lower 2 bits of PCI config addr 8 months ago
po po/Makefile: Modern shell scripting (use $() instead of ``) 1 year ago
python/qemu Python queue, 2019-02-22 8 months ago
qapi qapi/migration.json: Remove a variable that doesn't exist in example 8 months ago
qga qemu/queue.h: simplify reverse access to QTAILQ 10 months ago
qobject json: Fix % handling when not interpolating 9 months ago
qom qom: don't require user creatable objects to be registered 8 months ago
replay replay: Exit on errors reading from replay log 1 year ago
roms roms: build the EfiRom utility from the roms/edk2 submodule 8 months ago
scripts Python queue, 2019-02-22 8 months ago
scsi file-posix: Switch to .bdrv_co_ioctl 11 months ago
slirp slirp: wrap the remaining socket functions 9 months ago
stubs exec: Change RAMBlockIterFunc definition 8 months ago
target kvm: add kvm_arm_get_max_vm_ipa_size 8 months ago
tcg tcg: Remove TODO file 8 months ago
tests Python queue, 2019-02-22 8 months ago
trace trace: simple style changes 11 months ago
ui ui/cocoa: Perform UI operations only on the main thread 8 months ago
util exec: Change RAMBlockIterFunc definition 8 months ago
.cirrus.yml .cirrus.yml: basic compile and test for FreeBSD 9 months ago
.dir-locals.el Add .dir-locals.el file to configure emacs coding style 4 years ago
.editorconfig editorconfig: set emacs mode 1 year ago
.exrc qemu: add .exrc 7 years ago
.gdbinit .gdbinit: load QEMU sub-commands when gdb starts 2 years ago
.gitignore Makefile, configure: Support building rST documentation 8 months ago
.gitlab-ci.yml Add a gitlab-ci file for Continuous Integration testing on Gitlab 8 months ago
.gitmodules roms: add the edk2 project as a git submodule 8 months ago
.gitpublish Add a git-publish configuration file 1 year ago
.mailmap maint: Grammar fix to mailmap 11 months ago
.shippable.yml .shippable.yml: disable the win cross tests 11 months ago
.travis.yml .travis.yml: Remove disable-uuid 8 months ago
CODING_STYLE CODING_STYLE: Define our preferred form for multiline comments 1 year ago
COPYING COPYING: update from FSF 11 years ago
COPYING.LIB COPYING.LIB: Synchronize the LGPL 2.1 with the version from gnu.org 9 months ago
Changelog Use HTTPS for qemu.org and other domains 2 years ago
HACKING HACKING: document preference for g_new instead of g_malloc 1 year ago
LICENSE vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio 4 years ago
MAINTAINERS MAINTAINERS: add missing support status fields 8 months ago
Makefile docs/conf.py: Don't hard-code QEMU version 8 months ago
Makefile.objs authz: add QAuthZ object as an authorization base class 8 months ago
Makefile.target authz: add QAuthZ object as an authorization base class 8 months ago
README README: use 'https://' instead of 'git://' 1 year ago
VERSION Open 4.0 development tree 11 months ago
arch_init.c arch_init: sort architectures 1 year ago
balloon.c balloon: Allow multiple inhibit users 1 year ago
block.c block: BDS options may lack the "driver" option 8 months ago
blockdev-nbd.c nbd/server: Hoist length check to qmp_nbd_server_add 9 months ago
blockdev.c block: Use bdrv_refresh_filename() to pull 8 months ago
blockjob.c block: Use a single global AioWait 1 year ago
bootdevice.c fw_cfg: ignore suffixes in the bootdevice list dependent on machine class 1 year ago
bt-host.c all: Clean up includes 3 years ago
bt-vhci.c all: Clean up includes 3 years ago
configure Python queue, 2019-02-22 8 months ago
cpus-common.c qemu/queue.h: simplify reverse access to QTAILQ 10 months ago
cpus.c cpus: Properly release the iothread lock when killing a dummy VCPU 8 months ago
device-hotplug.c blockdev: Convert drive_new() to Error 1 year ago
device_tree.c device_tree.c: Don't use load_image() 11 months ago
disas.c disas: Add RISC-V support 10 months ago
dma-helpers.c block: explicitly acquire aiocontext in bottom halves that need it 2 years ago
dump.c dump: Set correct vaddr for ELF dump 9 months ago
exec.c migration: Add an ability to ignore shared RAM blocks 8 months ago
gdbstub.c gdbstub: Send a reply to the vKill packet. 9 months ago
gitdm.config contrib: add a basic gitdm config 11 months ago
hmp-commands-info.hx hmp-commands-info: add sync-profile 1 year ago
hmp-commands.hx hmp: Add hmp_announce_self 8 months ago
hmp.c migration: Create socket-address parameter 8 months ago
hmp.h hmp: Add hmp_announce_self 8 months ago
ioport.c trace: switch to modular code generation for sub-directories 2 years ago
iothread.c iothread: document about why we need explicit aio_poll() 8 months ago
job-qmp.c jobs: canonize Error object 1 year ago
job.c job: Fix off-by-one assert checks for JobSTT and JobVerbTable 1 year ago
memory.c qemu/queue.h: simplify reverse access to QTAILQ 10 months ago
memory_ldst.inc.c exec: Fix MAP_RAM for cached access 1 year ago
memory_mapping.c qemu/queue.h: simplify reverse access to QTAILQ 10 months ago
module-common.c all: Clean up includes 3 years ago
monitor.c authz: delete existing ACL implementation 8 months ago
numa.c numa: Fixed the memory leak of numa error message 9 months ago
os-posix.c util: add qemu_write_pidfile() 1 year ago
os-win32.c util: add qemu_write_pidfile() 1 year ago
qdev-monitor.c qdev: Let the hotplug_handler_unplug() caller delete the device 8 months ago
qdict-test-data.txt Introduce QDict test data file 10 years ago
qemu-bridge-helper.c all: Remove unnecessary glib.h includes 3 years ago
qemu-deprecated.texi qmp: Deprecate query-events in favor of query-qmp-schema 8 months ago
qemu-doc.texi qemu-doc: Add section on MIPS' Boston board 8 months ago
qemu-edid.c display/edid: add edid generator to qemu. 1 year ago
qemu-ga.texi qemu-ga: Remove stray 'q' in documentation 3 years ago
qemu-img-cmds.hx qemu-img: Add -C option for convert with copy offloading 1 year ago
qemu-img.c Block layer patches: 8 months ago
qemu-img.texi qemu-img: Add -C option for convert with copy offloading 1 year ago
qemu-io-cmds.c bdrv_query_image_info Error parameter added 9 months ago
qemu-io.c qom: Clean up error reporting in user_creatable_add_opts_foreach() 1 year ago
qemu-keymap.c ui: use enum to string helpers 1 year ago
qemu-nbd.c qemu-nbd: Deprecate qemu-nbd --partition 9 months ago
qemu-nbd.texi qemu-nbd: Deprecate qemu-nbd --partition 9 months ago
qemu-option-trace.texi qemu-option-trace: -trace enable= is a pattern, not a file 1 year ago
qemu-options-wrapper.h qemu-img: remove references to GEN_DOCS 1 year ago
qemu-options.h Clean up ill-advised or unusual header guards 3 years ago
qemu-options.hx authz: add QAuthZPAM object type for authorizing using PAM 8 months ago
qemu-seccomp.c seccomp: Work-around GCC 4.x bug in gnu99 mode 9 months ago
qemu-tech.texi cli qmp: Mark --preconfig, exit-preconfig experimental 1 year ago
qemu.nsi Use HTTPS for qemu.org and other domains 2 years ago
qemu.sasl Default to GSSAPI (Kerberos) instead of DIGEST-MD5 for SASL 2 years ago
qmp.c qapi: make query-cpu-definitions depend on specific targets 8 months ago
qtest.c char: allow specifying a GMainContext at opening time 9 months ago
replication.c replication: Introduce new APIs to do replication operation 3 years ago
replication.h block/replication: Remove protocol_name field 1 year ago
rules.mak build: Correct explanation of unnest-vars example 8 months ago
thunk.c thunk: fix of malloc to g_new 8 months ago
tpm.c tpm: Clean up error reporting in tpm_init_tpmdev() 1 year ago
trace-events trace: improve runstate tracing 9 months ago
version.rc Use HTTPS for qemu.org and other domains 2 years ago
vl.c migration/ram.c: add a notifier chain for precopy 8 months ago
win_dump.c dump: fix Windows dump memory run mapping 1 year ago
win_dump.h dump: move Windows dump structures definitions 1 year ago

README

         QEMU README
===========

QEMU is a generic and open source machine & userspace emulator and
virtualizer.

QEMU is capable of emulating a complete machine in software without any
need for hardware virtualization support. By using dynamic translation,
it achieves very good performance. QEMU can also integrate with the Xen
and KVM hypervisors to provide emulated hardware while allowing the
hypervisor to manage the CPU. With hypervisor support, QEMU can achieve
near native performance for CPUs. When QEMU emulates CPUs directly it is
capable of running operating systems made for one machine (e.g. an ARMv7
board) on a different machine (e.g. an x86_64 PC board).

QEMU is also capable of providing userspace API virtualization for Linux
and BSD kernel interfaces. This allows binaries compiled against one
architecture ABI (e.g. the Linux PPC64 ABI) to be run on a host using a
different architecture ABI (e.g. the Linux x86_64 ABI). This does not
involve any hardware emulation, simply CPU and syscall emulation.

QEMU aims to fit into a variety of use cases. It can be invoked directly
by users wishing to have full control over its behaviour and settings.
It also aims to facilitate integration into higher level management
layers, by providing a stable command line interface and monitor API.
It is commonly invoked indirectly via the libvirt library when using
open source applications such as oVirt, OpenStack and virt-manager.

QEMU as a whole is released under the GNU General Public License,
version 2. For full licensing details, consult the LICENSE file.


Building
========

QEMU is multi-platform software intended to be buildable on all modern
Linux platforms, OS-X, Win32 (via the Mingw64 toolchain) and a variety
of other UNIX targets. The simple steps to build QEMU are:

mkdir build
cd build
../configure
make

Additional information can also be found online via the QEMU website:

https://qemu.org/Hosts/Linux
https://qemu.org/Hosts/Mac
https://qemu.org/Hosts/W32


Submitting patches
==================

The QEMU source code is maintained under the GIT version control system.

git clone https://git.qemu.org/git/qemu.git

When submitting patches, one common approach is to use 'git
format-patch' and/or 'git send-email' to format & send the mail to the
qemu-devel@nongnu.org mailing list. All patches submitted must contain
a 'Signed-off-by' line from the author. Patches should follow the
guidelines set out in the HACKING and CODING_STYLE files.

Additional information on submitting patches can be found online via
the QEMU website

https://qemu.org/Contribute/SubmitAPatch
https://qemu.org/Contribute/TrivialPatches

The QEMU website is also maintained under source control.

git clone https://git.qemu.org/git/qemu-web.git
https://www.qemu.org/2017/02/04/the-new-qemu-website-is-up/

A 'git-publish' utility was created to make above process less
cumbersome, and is highly recommended for making regular contributions,
or even just for sending consecutive patch series revisions. It also
requires a working 'git send-email' setup, and by default doesn't
automate everything, so you may want to go through the above steps
manually for once.

For installation instructions, please go to

https://github.com/stefanha/git-publish

The workflow with 'git-publish' is:

$ git checkout master -b my-feature
$ # work on new commits, add your 'Signed-off-by' lines to each
$ git publish

Your patch series will be sent and tagged as my-feature-v1 if you need to refer
back to it in the future.

Sending v2:

$ git checkout my-feature # same topic branch
$ # making changes to the commits (using 'git rebase', for example)
$ git publish

Your patch series will be sent with 'v2' tag in the subject and the git tip
will be tagged as my-feature-v2.

Bug reporting
=============

The QEMU project uses Launchpad as its primary upstream bug tracker. Bugs
found when running code built from QEMU git or upstream released sources
should be reported via:

https://bugs.launchpad.net/qemu/

If using QEMU via an operating system vendor pre-built binary package, it
is preferable to report bugs to the vendor's own bug tracker first. If
the bug is also known to affect latest upstream code, it can also be
reported via launchpad.

For additional information on bug reporting consult:

https://qemu.org/Contribute/ReportABug


Contact
=======

The QEMU community can be contacted in a number of ways, with the two
main methods being email and IRC

- qemu-devel@nongnu.org
https://lists.nongnu.org/mailman/listinfo/qemu-devel
- #qemu on irc.oftc.net

Information on additional methods of contacting the community can be
found online via the QEMU website:

https://qemu.org/Contribute/StartHere

-- End