Archipelago » qemu

qemu-iotests: add unix socket help program

This program can do a sendmsg call to transfer fd with unix
socket, which is not supported in python2.

The built binary will not be deleted in clean, but it is a
existing issue in ./tests, which should be solved in another...

configure: Add handling code for AArch64 targets

Add the necessary code to configure to handle AArch64 as a target
CPU (we already have some code for supporting it as host). Note
that this doesn't enable the AArch64 targets yet.

Signed-off-by: Alexander Graf <agraf@suse.de>...

configure: Support configuring C++ compiler

Add configuration for C++ compiler in configure and Makefiles.
The C++ compiler is choosed as following:
- ${CXX}, if it is specified.
- ${cross_prefix}g++, if ${cross_prefix} is specified.
- Otherwise, c++ is used....

Merge remote-tracking branch 'mjt/trivial-patches' into staging

1. By Stefan Weil (6) and others
2. Via Michael Tokarev
• mjt/trivial-patches:
  aio / timers: use g_usleep() not sleep()
  adlib: sort offsets in portio registration
  qmp: fix integer usage in examples...

configure: Remove unneeded redirections of stderr (pkg-config --exists)

Predicate options (--exists, --atleast-version, ...) of pkg-config dont't
print error messages to stderr, so redirecting stderr is not necessary.

Combining a predicate option with --modversion is not necessary for tests....

configure: Don't write .pyc files by default (python -B)

When a Python script is run, Python normally writes bytecode into a .pyc file.
QEMU's build process uses several Python scripts which are called from
configure or make.

The generated .pyc files take disk space without being of much use, because...

aio / timers: Add prctl(PR_SET_TIMERSLACK, 1, ...) to reduce timer slack

Where supported, called prctl(PR_SET_TIMERSLACK, 1, ...) to
set one nanosecond timer slack to increase precision of timer
calls.

Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

Merge remote-tracking branch 'filippov/tags/20130729-xtensa' into staging

xtensa queue 2013-07-29

• filippov/tags/20130729-xtensa:
  target-xtensa: check register window inline
  target-xtensa: don't generate dead code to access invalid SRs
  tests/tcg/xtensa: Fix out-of-tree build...

tests: QAPI schema parser tests

The parser handles erroneous input badly. To be improved shortly.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1374939721-7876-2-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

seccomp: no need to check arch in syscall whitelist

v2 update:
- set libseccomp 2.1.0 as requirement on configure script.

Since libseccomp 2.0 there's no need to check the architecture type
anymore.

Signed-off-by: Eduardo Otubo <otubo@linux.vnet.ibm.com>...

Merge remote-tracking branch 'riku/linux-user-for-upstream' into staging

• riku/linux-user-for-upstream: (21 commits)
  linux-user: Handle compressed ISA encodings when processing MIPS exceptions
  linux-user: Unlock mmap_lock when resuming guest from page_unprotect...

configure: Make NPTL non-optional

Now all linux-user targets support building with NPTL, we can make it
mandatory. This is a good idea because: * NPTL is no longer new and experimental; it is completely standard * in practice, linux-user without NPTL is nearly useless for...

linux-user: Add i386 TLS setter

We can easily set the TLS on i386. Add code to do so.

Signed-off-by: Alexander Graf <agraf@suse.de>
[PMM: also remove "target_nptl=no" line from configure, for
consistency with other patches in this series]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>...

linux-user: Enable NPTL for SPARC targets

Provide the missing cpu_set_tls(), and resolve the FIXME in
cpu_clone_regs() by clearing the carry flag for the child.
This allows us to turn on building with NPTL for SPARC.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>...

configure: Enable threading for unicore32-linux-user

unicore32-linux-user provides cpu_set_tls(), so the failure
to enable target_nptl was presumably an oversight. Enable it.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>...

configure: Don't say target_nptl="no" if there is no linux-user target

For architectures with no linux-user target, don't claim no NPTL
support. This has no behavioural change, but it means that we
won't accidentally add a new linux-user target without threading...

gluster: Use pkg-config to configure GlusterFS block driver

Use pkg-config to determine the version and library dependency
for GlusterFS block driver.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

configure: Provide more helpful message if libvte not present

If the system has GTK but not libvte, it's more helpful to
tell the user that libvte is missing than to simply say that
GTK is not present.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>...

tcg/aarch64: Implement tlb lookup fast path

Supports CONFIG_QEMU_LDST_OPTIMIZATION

Signed-off-by: Jani Kokkonen <jani.kokkonen@huawei.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com>

configure: Add signed*signed check to [u]int128_t test

clang 3.3 with -fsanitize=undefined will fail to link code containing an
int128_t * int128_t multiply (http://llvm.org/bugs/show_bug.cgi?id=16404)
so add this to our configure test for whether [u]int128_t are usable....

configure: Require libfdt for arm, ppc, microblaze softmmu targets

A number of our softmmu targets (PPC, ARM, Microblaze) now more or
less require flattened device tree support for various board models
to work correctly. Make libfdt mandatory if the target list includes...

configure: dtc: Probe for libfdt_env.h

Currently QEMU provides a local clone of the file libfdt_env.h in
/include. This file is supposed to come with the libfdt package and is
only needed for broken installs of libfdt. Now that we have submodule
dtc, just ignore these broken installs and prompt for the dtc submodule...

build: rename TARGET_ARCH2 to TARGET_NAME

Do not introduce any new use yet.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1370349928-20419-3-git-send-email-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Merge remote-tracking branch 'afaerber/qom-cpu' into staging

1. By Andreas Färber (12) and others
2. Via Andreas Färber
• afaerber/qom-cpu:
  spapr_rtas: Abstract rtas_start_cpu() with qemu_get_cpu()
  spapr_rtas: Abstract rtas_query_cpu_stopped_state() with qemu_get_cpu()...

configure: permit compilation on arm aarch64

support compiling on aarch64.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Claudio Fontana <claudio.fontana@huawei.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 51A5C5ED.90103@huawei.com...

configure: remove ${config_host_ld} variable

It was only used in one place (and already expanded in one other).

Signed-off-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

dump: Drop qmp_dump_guest_memory() stub and build for all targets

qmp_dump_guest_memory() calls dump_init() and returns an Error when
cpu_get_dump_info() returns an error, as done by the stub.
So there is no need to have a stub for qmp_dump_guest_memory()....

block: add block driver read only whitelist

We may want to include a driver in the whitelist for read only tasks
such as diagnosing or exporting guest data (with libguestfs as a good
example). This patch introduces a readonly whitelist option, and for
backward compatibility, the old configure option --block-drv-whitelist...

configure: Report unknown target names more helpfully

If the user specifies a target list themselves, check each entry
to make sure it's a target we recognise. This allows us to print
a helpful error message, rather than falling through (where we
would probably eventually end up hitting the uninformative...

don't run pkg-config for features explicitly disabled

We test pkg-config for curses and curl even if those are explicitly
disabled. Move these tests inside `if "$feature" != "no"' sections.

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

configure: try pkg-config ncurses first

When probing for ncurses, try pkg-config first rather than after
explicit -lncurses and -lcurses. This fixes static linking in the case
that ncurses has additional dependencies, such as -ltinfo (as on FreeBSD).

Signed-off-by: Ed Maste <emaste@freebsd.org>...

Remove OSS support for OpenBSD

Remove the OSS support for OpenBSD. The OSS API has not been usable
for quite some time.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>...

configure: Detect uuid on MacOSX (fixes compile failure)

Commit 7791dba3ec broke compilation on MacOSX, because it introduced
a new include of util.h. On MacOSX this includes pwd.h which in turn
includes the system uuid/uuid.h, which causes a compile failure if...

S390: BIOS create link to src folder for .img file

For *.img files, there will be a link created directly to the src folder,
like for all other blobs.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

trace: Add ftrace tracing backend

This patch adds a ftrace tracing backend which sends trace event to
ftrace marker file. You can effectively compare qemu trace data and
kernel(especially, kvm.ko when using KVM) trace data.
The ftrace backend is restricted to Linux only....

audio: replace audio card configuration with default-configs

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366303444-24620-6-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

audio: remove HAS_AUDIO

Several targets can have wavcapture/-soundhw support via PCI cards.
HAS_AUDIO is a useless limitation, remove it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366303444-24620-4-git-send-email-pbonzini@redhat.com...

tcg-arm: Convert to CONFIG_QEMU_LDST_OPTIMIZATION

Move the slow path out of line, as the TODO's mention.
This allows the fast path to be unconditional, which can
speed up the fast path as well, depending on the core.

Signed-off-by: Richard Henderson <rth@twiddle.net>

block/ssh: Require libssh2 >= 1.2.8.

libssh2 >= 1.2.8 is required to enable this block device (because
that version introduced the libssh2_session_handshake call).

Change the test to use pkg-config exclusively. If the user requests
--enable-libssh2 and the minimum version is not available, then the...

usb-host: raise libusbx minimum version to 1.0.13

Allows to remove one FIXME. Makes LIBUSB_LOG_LEVEL_WARNING build errors
go away. And starting with that version libusb has a LIBUSBX_API_VERSION
define which allows to easily #ifdef version dependencies should that...

configure: QEMU_INCLUDES are the same for all subtargets

Reviewed-by: Peter Maydell <peter.maydell@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

elfload: use abi_int/uint instead of target_int/uint

The alignment is a characteristic of the ABI, not the CPU.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

elfload: use abi_llong/ullong instead of target_llong/ullong

The alignment is a characteristic of the ABI, not the CPU.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>

configure: move common libraries to config-host.mak

Move -lm to the end of the line, so that it can be picked up as a
dependency by pixman in the static build case.

Reviewed-by: Peter Maydell <peter.maydell@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>...

configure: CONFIG_NO_XEN is duplicated

We already define it in Makefile.target. But we need to avoid a
curious double negation in order to eliminate it.

Tested-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>...

configure: Put cross compile flags in EXTRA_CFLAGS

The cross compile CFLAGS are needed to properly build pixman (and any other
submodules). Only the EXTRA_CFLAGS set is passed to submodules not QEMU_CFLAGS,
so put the cross compile flags in EXTRA_CFLAGS instead....

Fix warnings suppressors to honor --disable-werror

Replace

#pragma GCC diagnostic ignored FOO
    [Troublesome code...]
    #pragma GCC diagnostic error FOO

by

#pragma GCC diagnostic push
    #pragma GCC diagnostic ignored FOO
    [Troublesome code...]...

use libusb for usb-host

Reimplement usb-host on top of libusb.
Reasons to do this:

(1) Largely rewritten from scratch, nice opportunity to kill historical
     cruft.
 (2) Offload usbfs handling to libusb.
 (3) Have a single portable code base instead of bsd + linux variants....

tcg-ppc64: Use getauxval for ISA detection

Glibc 2.16 includes an easy way to get feature bits previously
buried in /proc or the program startup auxiliary vector. Use it.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>

Add linux-headers to QEMU_INCLUDES

virtio/dataplane/vring.c requires the Linux headers and is built for all
targets. So we need to add the corresponding include to QEMU_INCLUDES to
avoid that outdated distribution headers are used.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>...