Alpha has a weak memory ordering and issues all of the required barriers.
Signed-off-by: NRichard Henderson <rth@twiddle.net>

Introduce support for emulating the MIPS Boston development board. The
Boston board is built around an FPGA & 3 PCIe controllers, one of which
is connected to an Intel EG20T Platform Controller Hub. It is used
during the development & debug of new CPUs and the software intended to
run on them, and is essentially the successor to the older MIPS Malta
board.

This patch does not implement the EG20T, instead connecting an already
supported ICH-9 AHCI controller. Whilst this isn't accurate it's enough
for typical stock Boston software (eg. Linux kernels) to work with hard
disks given that both the ICH-9 & EG20T implement the AHCI
specification.

Boston boards typically boot kernels in the FIT image format, and this
patch will treat kernels provided to QEMU as such. When loading a kernel
directly, the board code will generate minimal firmware much as the
Malta board code does. This firmware will set up the CM, CPC & GIC
register base addresses then set argument registers & jump to the kernel
entry point. Alternatively, bootloader code may be loaded using the bios
argument in which case no firmware will be generated & execution will
proceed from the start of the boot code at the default MIPS boot
exception vector (offset 0x1fc00000 into (c)kseg1).

Currently real Boston boards are always used with FPGA bitfiles that
include a Global Interrupt Controller (GIC), so the interrupt
configuration is only defined for such cases. Therefore the board will
only allow use of CPUs which implement the CPS components, including the
GIC, and will otherwise exit with a message.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Reviewed-by: NYongbok Kim <yongbok.kim@imgtec.com>
[yongbok.kim@imgtec.com:
  isolated boston machine support for mips64el.
  updated for recent Chardev changes.
  ignore missing bios/kernel for qtest.
  added default -drive to if=ide explicitly.
  changed default memory size into 1G due to make check failure
  on 32-bit hosts]
Signed-off-by: NYongbok Kim <yongbok.kim@imgtec.com>

This enables the multi-threaded system emulation by default for ARMv7
and ARMv8 guests using the x86_64 TCG backend. This is because on the
guest side:

  - The ARM translate.c/translate-64.c have been converted to
    - use MTTCG safe atomic primitives
    - emit the appropriate barrier ops
  - The ARM machine has been updated to
    - hold the BQL when modifying shared cross-vCPU state
    - defer powerctl changes to async safe work

All the host backends support the barrier and atomic primitives but
need to provide same-or-better support for normal load/store
operations.
Signed-off-by: NAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Acked-by: NPeter Maydell <peter.maydell@linaro.org>
Tested-by: NPranith Kumar <bobby.prani@gmail.com>
Reviewed-by: NPranith Kumar <bobby.prani@gmail.com>

This reverts commit d3473e14.

This commit creates a board which defaults to having 2GB of RAM.
Unfortunately on 32-bit hosts we can't create boards with 2GB of RAM,
and so 'make check' fails. I missed this during testing of the
merge, unfortunately. Luckily the offending commit is the last
one in the merge request, so we can just revert it for now.
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

Introduce support for emulating the MIPS Boston development board. The
Boston board is built around an FPGA & 3 PCIe controllers, one of which
is connected to an Intel EG20T Platform Controller Hub. It is used
during the development & debug of new CPUs and the software intended to
run on them, and is essentially the successor to the older MIPS Malta
board.

This patch does not implement the EG20T, instead connecting an already
supported ICH-9 AHCI controller. Whilst this isn't accurate it's enough
for typical stock Boston software (eg. Linux kernels) to work with hard
disks given that both the ICH-9 & EG20T implement the AHCI
specification.

Boston boards typically boot kernels in the FIT image format, and this
patch will treat kernels provided to QEMU as such. When loading a kernel
directly, the board code will generate minimal firmware much as the
Malta board code does. This firmware will set up the CM, CPC & GIC
register base addresses then set argument registers & jump to the kernel
entry point. Alternatively, bootloader code may be loaded using the bios
argument in which case no firmware will be generated & execution will
proceed from the start of the boot code at the default MIPS boot
exception vector (offset 0x1fc00000 into (c)kseg1).

Currently real Boston boards are always used with FPGA bitfiles that
include a Global Interrupt Controller (GIC), so the interrupt
configuration is only defined for such cases. Therefore the board will
only allow use of CPUs which implement the CPS components, including the
GIC, and will otherwise exit with a message.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Reviewed-by: NYongbok Kim <yongbok.kim@imgtec.com>
[yongbok.kim@imgtec.com:
  isolated boston machine support for mips64el.
  updated for recent Chardev changes.
  ignore missing bios/kernel for qtest.
  added default -drive to if=ide explicitly]
Signed-off-by: NYongbok Kim <yongbok.kim@imgtec.com>

In order to obtain fdt_first_subnode & fdt_next_subnode symbols from
libfdt for use by a later patch, bump the requirement for dtc to v1.4.2
& the submodule to that same version.
Signed-off-by: NPaul Burton <paul.burton@imgtec.com>
Reviewed-by: NYongbok Kim <yongbok.kim@imgtec.com>
Signed-off-by: NYongbok Kim <yongbok.kim@imgtec.com>

This is in keeping with the toolchain and or1ksim.
Signed-off-by: NRichard Henderson <rth@twiddle.net>

In

  commit ba78db44
  Author: Daniel P. Berrange <berrange@redhat.com>
  Date:   Wed Jan 25 16:14:10 2017 +0000

  make: move top level dir to end of include search path

The dir $(BUILD_DIR)/$(@D) was added to the include
path. This would sometimes point to a non-existant
directory, if the sub-dir in question did not contain
any target-independant files (eg tcg/). To deal with
this the rules.mak attempted to create the directory.

While this was succesful, it also caused accidental
creation of files in the parent of the build dir.
e.g. when building common source files into target
specific output files.

Rather than trying to workaround this, just revert
the code that attempted to mkdir the missing include
directories. Instead just turn off the compiler warning
in question as the missing dir is expected & harmless
in general.

NB: you can clean up a build directory parent that has
been filled with empty directories by commit ba78db44
using this GNU find command in that parent directory:
  find audio backends block chardev crypto disas fsdev hw io linux-user \
    migration nbd net qapi qom replay slirp target ui util \
    -type d -empty -delete
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>
Tested-by: NAlberto Garcia <berto@igalia.com>
[PMM: added note about how to clean up a polluted directory]
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

Add remaining bits of the Altera NiosII R1 support into qemu, which
is documentation, MAINTAINERS file entry, configure bits, arch_init
and configuration files for both linux-user (userland binaries) and
softmmu (hardware emulation).
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Chris Wulff <crwulff@gmail.com>
Cc: Jeff Da Silva <jdasilva@altera.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Sandra Loosemore <sandra@codesourcery.com>
Cc: Yves Vandervennet <yvanderv@altera.com>
Reviewed-by: NAlexander Graf <agraf@suse.de>
Message-Id: <20170118220146.489-8-marex@denx.de>
Signed-off-by: NRichard Henderson <rth@twiddle.net>

This is just about the minimum required to enable compilation
without actually executing any instructions.  This contains the
HPPACPU structure and the required callbacks, the gdbstub, the
basic translation loop, and a translate_one function that always
results in an illegal instruction.
Signed-off-by: NRichard Henderson <rth@twiddle.net>

This reverts commit d41f3c3c.
Signed-off-by: NRichard Henderson <rth@twiddle.net>

This reverts commit 7ad9339e.

The error "Failed to execute helper program (No such file or directory)"
is due to broken glib installation, missing windows gspawn helpers.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170104205722.26492-1-marcandre.lureau@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

Use the Intel HAX is kernel-based hardware acceleration module for
Windows (similar to KVM on Linux).

Based on the "target/i386: Add Intel HAX to android emulator" patch
from David Chou <david.j.chou@intel.com>
Signed-off-by: NVincent Palatin <vpalatin@chromium.org>
Message-Id: <7b9cae28a0c379ab459c7a8545c9a39762bd394f.1484045952.git.vpalatin@chromium.org>
[Drop hax_populate_ram stub. - Paolo]
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

No need to provide this knob, so remove it and stubs/migration-colo.c.
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

Generate and install the man, txt and html versions of QAPI
documentation (generate and install qemu-doc.txt too).

Add it also to optional pdf/info targets.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170113144135.5150-22-marcandre.lureau@redhat.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

These files deal with the file protocol, not the raw format (the
file protocol is often used with other formats, and the raw
format is not forced to use the file protocol).  Rename things
to make it a bit easier to follow.
Suggested-by: NDaniel P. Berrange <berrange@redhat.com>
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJohn Snow <jsnow@redhat.com>
Reviewed-by: NLaszlo Ersek <lersek@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

Libtool support was removed in commit e999ee44, there is a few
left-over.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161108070513.30274-1-marcandre.lureau@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

This item will be used for support libcrypt-backed HMAC algorithms.

Support for hmac has been added in Libgcrypt 1.6.0, but we cannot
use pkg-config to get libcrypt's version. However we can make a
in configure to know whether current libcrypt support hmac.
Signed-off-by: NLongpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

Building qemu fails in distributions where gcc enables PIE by default
(e.g. Debian unstable) with:

/usr/bin/ld: -r and -pie may not be used together

You have to use -r instead of -Wl,-r to avoid gcc passing -pie to the linker
when PIE is enabled and a relocatable object is passed.  However, clang
does not know about -r, so try -Wl,-r first.

[This is a fix for commit c96f0ee6
("rules.mak: Use -r instead of -Wl, -r to fix building when PIE is
default") which mostly worked but broke the ./configure --enable-modules
build with clang.
--Stefan]
Reported-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Message-id: 20161129153720.29747-1-pbonzini@redhat.com
Cc: qemu-stable@nongnu.org
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

The detection program needs to be linked with -ldl to build succesfully
with recent versions of LTTng-UST.

We also need to add -ldl to the libs required to build the LTTng-UST
backend (lttng_ust_libs).
Signed-off-by: NFrancis Deslauriers <francis.deslauriers@efficios.com>
Message-id: 1480348337-24271-1-git-send-email-francis.deslauriers@efficios.com
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

Include sys/user.h for declaration of 'struct kinfo_proc'.
Add -lutil to qemu-ga link for kinfo_getproc.
Signed-off-by: NEd Maste <emaste@freebsd.org>
Message-id: 1479778365-11315-1-git-send-email-emaste@freebsd.org
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

On systems which do not provide ncursesw.pc and whose /usr/include/curses.h
does not include wide support, we should not only try with no -I, i.e.
/usr/include, but also with -I/usr/include/ncursesw.

To properly detect for wide support with and without -Werror, we need to
check for the presence of e.g. the WACS_DEGREE macro.

We also want to stop at the first curses_inc_list configuration which works,
and make sure to set IFS to : at each new loop.
Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Tested-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Message-id: 20161109102752.13255-1-samuel.thibault@ens-lyon.org
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

Add the AF_VSOCK address family so that qemu-ga will be able to use
virtio-vsock.

The AF_VSOCK address family uses <cid, port> address tuples.  The cid is
the unique identifier comparable to an IP address.  AF_VSOCK does not
use name resolution so it's easy to convert between struct sockaddr_vm
and strings.

This patch defines a VsockSocketAddress instead of trying to piggy-back
on InetSocketAddress.  This is cleaner in the long run since it avoids
lots of IPv4 vs IPv6 vs vsock special casing.
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>
* treat trailing commas as garbage when parsing (Eric Blake)
* add configure check instead of checking AF_VSOCK directly
Signed-off-by: NMichael Roth <mdroth@linux.vnet.ibm.com>

configure --enable-colo/--disable-colo to switch COLO
support on/off.

COLO feature doesn't depend on any other external libraries,
So here it is reasonable to enable COLO by default, to
avoid re-compile QEMU if users want to use this capability.
Signed-off-by: Nzhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: NLi Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: NGonglei <arei.gonglei@huawei.com>
Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: NAmit Shah <amit.shah@redhat.com>
Signed-off-by: NAmit Shah <amit@amitshah.net>

Use ncursesw package instead of curses on non-mingw, and check a few
functions.
Also take cflags from pkg-config, since cursesw headers may be in a
separate, non-default directory.
Signed-off-by: NSamuel Thibault <samuel.thibault@ens-lyon.org>
Message-id: 20161015195308.20473-3-samuel.thibault@ens-lyon.org
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

When configured to compile out of tree, the configure script
copies BIOS blobs to the build directory. However since the PPC64 powernv
machine ROM has .lid extension, it is ignored and "make check" fails
when trying the powernv machine.

This adds *.lid to the list of copied blobs.
Signed-off-by: NAlexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>

Allow qemu to build on 32-bit hosts without 64-bit atomic ops.

Even if we only allow 32-bit hosts to multi-thread emulate 32-bit
guests, we still need some way to handle the 32-bit guest using a
64-bit atomic operation.  Do so by dropping back to single-step.
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NRichard Henderson <rth@twiddle.net>

Force the use of cmpxchg16b on x86_64.

Wikipedia suggests that only very old AMD64 (circa 2004) did not have
this instruction.  Further, it's required by Windows 8 so no new cpus
will ever omit it.

If we truely care about these, then we could check this at startup time
and then avoid executing paths that use it.
Reviewed-by: NEmilio G. Cota <cota@braap.org>
Reviewed-by: NAlex Bennée <alex.bennee@linaro.org>
Signed-off-by: NRichard Henderson <rth@twiddle.net>

This patch implements Qemu user mode syncfs() syscall support. Syscall
syncfs() syncs the filesystem containing file determined by the open
file descriptor passed as the argument to syncfs().

The implementation consists of a straightforward invocation of host's
syncfs(). Configure and strace support is included as well.
Signed-off-by: NAleksandar Markovic <aleksandar.markovic@imgtec.com>
Signed-off-by: NRiku Voipio <riku.voipio@linaro.org>

This patch implements Qemu user mode clock_adjtime() syscall support.

The implementation is based on invocation of host's clock_adjtime().
Signed-off-by: NAleksandar Rikalo <aleksandar.rikalo@imgtec.com>
Signed-off-by: NAleksandar Markovic <aleksandar.markovic@imgtec.com>
Signed-off-by: NRiku Voipio <riku.voipio@linaro.org>

C99 requires SIZE_MAX to be declared with the same type as the
integral promotion of size_t, but OSX mistakenly defines it as
an 'unsigned long long' expression even though size_t is only
'unsigned long'.  Rather than futzing around with whether size_t
is 32- or 64-bits wide (which would be needed if we cared about
using SIZE_T in a #if expression), just hard-code it with a cast.
This is not a strict C99-compliant definition, because it doesn't
work in the preprocessor, but if we later need that, the build
will break on Mac to inform us to improve our replacement at that
time.

See also https://patchwork.ozlabs.org/patch/542327/ for an
instance where the wrong type trips us up if we don't fix it
for good in osdep.h.

Some versions of glibc make a similar mistake with SSIZE_MAX; the
goal is that the approach of this patch could be copied to work
around that problem if it ever becomes important to us.
Signed-off-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Message-id: 1476200784-17210-1-git-send-email-eblake@redhat.com
Reviewed-by: NJohn Arbuckle <programmingkidx@gmail.com>
Tested-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

this adds a knob to track the maximum stack usage of stacks
created by qemu_alloc_stack.
Signed-off-by: NPeter Lieven <pl@kamp.de>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

Copy data operated on during request from/to local buffers to/from
the grant references.

Before grant copy operation local buffers must be allocated what is
done by calling ioreq_init_copy_buffers. For the 'read' operation,
first, the qemu device invokes the read operation on local buffers
and on the completion grant copy is called and buffers are freed.
For the 'write' operation grant copy is performed before invoking
write by qemu device.

A new value 'feature_grant_copy' is added to recognize when the
grant copy operation is supported by a guest.
Signed-off-by: NPaulina Szubarczyk <paulinaszubarczyk@gmail.com>
Reviewed-by: NStefano Stabellini <sstabellini@kernel.org>
Acked-by: NAnthony PERARD <anthony.perard@citrix.com>
Acked-by: NRoger Pau Monné <roger.pau@citrix.com>

This way, overriding CFLAGS on make command line keeps glib-cflags
and doesn't break the build.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20160925205748.6280-2-marcandre.lureau@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

Message-Id: <20160925205748.6280-1-marcandre.lureau@redhat.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

All code now uses built-in UUID implementation. Remove the code of
libuuid and make --enable-uuid and --disable-uuid only print a message.
Signed-off-by: NFam Zheng <famz@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJeff Cody <jcody@redhat.com>
Message-Id: <1474432046-325-9-git-send-email-famz@redhat.com>

This removes our dependency to libuuid, so that the driver can always be
built.

Similar to how we handled data plane configure options, --enable-vhdx
and --disable-vhdx are also changed to a nop with a message saying it's
obsolete.
Signed-off-by: NFam Zheng <famz@redhat.com>
Reviewed-by: NEric Blake <eblake@redhat.com>
Reviewed-by: NJeff Cody <jcody@redhat.com>
Message-Id: <1474432046-325-4-git-send-email-famz@redhat.com>

Modularizes the nfs block driver so that it gets dynamically loaded.
Signed-off-by: NColin Lord <clord@redhat.com>
Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com>
Message-id: 1471008424-16465-5-git-send-email-clord@redhat.com
Reviewed-by: NMax Reitz <mreitz@redhat.com>
Signed-off-by: NMax Reitz <mreitz@redhat.com>

On Tue, Jun 14, 2016 at 04:44:57PM +0100, Daniel P. Berrange wrote:
> The g_test_trap_subprocess() method does not work on the
> Mingw32 platform, causing the test-qdev-global-props
> test case to abort
>
> (test-logging.exe:230): GLib-ERROR **: g_test_trap_subprocess()
> failed: Failed to execute helper program (No such file or directory)
>
> This failure was introduced a while ago in
>
>   commit 2177801a
>   Author: Eduardo Habkost <ehabkost@redhat.com>
>   Date:   Fri Aug 8 16:03:27 2014 -0300
>
>     test-qdev-global-props: Run tests on subprocess
>
> Modify the configure time check to avoid enabling this feature
> on Mingw, rather than trying to rewrite the test to avoid this
> feature.

I would do the following instead, just in case we have extra code
looking at $glib_subprocess one day.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

The HPPA backend has been removed by the following commit:

    802b5081
    tcg-hppa: Remove tcg backend

But some small pieces of the HPPA backend still survived until
today. Since we also do not have support for a HPPA target in
QEMU, we can nowadays safely remove the remaining HPPA parts
(like the disassembler code, or the detection of HPPA in the
configure script).
Signed-off-by: NThomas Huth <thuth@redhat.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>