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Currently all trace.o are linked into qemu-system, qemu-img,
qemu-nbd, qemu-io etc., even the corresponding components
are not included.
Put all trace.o into libqemuutil.a that the linker would only pull in .o
files containing symbols that are actually referenced by the
program.
Signed-off -by: Anthony Xu <anthony.xu@intel.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The only functional difference between the GENERATED_HEADERS
and GENERATED_SOURCES variables is that 'Makefile' has a
dependancy on GENERATED_HEADERS, causing generated header files
to be created immediatey at the start of the build process.
There is no reason why this early creation should be restricted
to the .h files, and not include .c files too. Merge both of
the variables into a single GENERATED_FILES variable to make
it clear it is for any type of generated file.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Message-id: 20170228122901.24520-2-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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into staging
# gpg: Signature made Wed 01 Feb 2017 13:44:32 GMT
# gpg: using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/tracing-pull-request:
trace: clean up trace-events files
qapi: add missing trace_visit_type_enum() call
trace: improve error reporting when parsing simpletrace header
trace: update docs to reflect new code generation approach
trace: switch to modular code generation for sub-directories
trace: move setting of group name into Makefiles
trace: move hw/i386/xen events to correct subdir
trace: move hw/xen events to correct subdir
trace: move hw/block/dataplane events to correct subdir
make: move top level dir to end of include search path
# Conflicts:
# Makefile
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This will help to split char.c in several units without having to
reference them all everywhere. This is useful in particular for tests.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Introduce rules in the top level Makefile that are able to generate
trace.[ch] files in every subdirectory which has a trace-events file.
The top level directory is handled specially, so instead of creating
trace.h, it creates trace-root.h. This allows sub-directories to
include the top level trace-root.h file, without ambiguity wrt to
the trace.g file in the current sub-dir.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170125161417.31949-7-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Having tracetool.py figure out the right group name from just
the input filename is not practical when considering the
different build vs src path combinations. Instead simply take
the group name as a command line arg from the Makefile, which
can trivially provide the right name.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170125161417.31949-6-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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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: Vincent Palatin <vpalatin@chromium.org>
Message-Id: <7b9cae28a0c379ab459c7a8545c9a39762bd394f.1484045952.git.vpalatin@chromium.org>
[Drop hax_populate_ram stub. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Some stubs are used for user-mode emulation only; they are not
needed by tools. Move them out of stubs/.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Really rule chaining is not a particularly expensive task, since
GNU Make caches the directory listing. However it is easy to
avoid it for most files and for phony targets (one was missing).
After this patch, only "Makefile", "scripts/hxtool" and
"scripts/create_config" attempt to use chained rules.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We've currently got 18 architectures in QEMU, and thus 18 target-xxx
folders in the root folder of the QEMU source tree. More architectures
(e.g. RISC-V, AVR) are likely to be included soon, too, so the main
folder of the QEMU sources slowly gets quite overcrowded with the
target-xxx folders.
To disburden the main folder a little bit, let's move the target-xxx
folders into a dedicated target/ folder, so that target-xxx/ simply
becomes target/xxx/ instead.
Acked-by: Laurent Vivier <laurent@vivier.eu> [m68k part]
Acked-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de> [tricore part]
Acked-by: Michael Walle <michael@walle.cc> [lm32 part]
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> [s390x part]
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> [s390x part]
Acked-by: Eduardo Habkost <ehabkost@redhat.com> [i386 part]
Acked-by: Artyom Tarasenko <atar4qemu@gmail.com> [sparc part]
Acked-by: Richard Henderson <rth@twiddle.net> [alpha part]
Acked-by: Max Filippov <jcmvbkbc@gmail.com> [xtensa part]
Reviewed-by: David Gibson <david@gibson.dropbear.id.au> [ppc part]
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> [crisµblaze part]
Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32 part]
Signed-off-by: Thomas Huth <thuth@redhat.com>
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Add all of cmpxchg, op_fetch, fetch_op, and xchg.
Handle both endian-ness, and sizes up to 8.
Handle expanding non-atomically, when emulating in serial.
Reviewed-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Instead of reading the contents of 'trace-events' from stdin,
accept the filename as a positional parameter. This also
allows for reading from multiple files, though this facility
is not used at this time.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1475588159-30598-20-git-send-email-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The quiet-command make rule currently takes two arguments:
the command and arguments to run, and a string to print if
the V flag is not set (ie we are not being verbose).
By convention, the string printed is of the form
" NAME some args". Unfortunately to get nicely lined up
output all the strings have to agree about what column the
arguments should start in, which means that if we add a
new quiet-command usage which wants a slightly longer CMD
name then we either put up with misalignment or change
every quiet-command string.
Split the quiet-mode string into two, the "NAME" and
the "same args" part, and use printf(1) to format the
string automatically. This means we only need to change
one place if we want to support a longer maximum name.
In particular, we can now print 7-character names lined
up properly (they are needed for the OSX "SETTOOL" invocation).
Change all the uses of quiet-command to the new syntax.
(Any which are missed or inadvertently reintroduced
via later merges will result in slightly misformatted
quiet output rather than disaster.)
A few places in the pc-bios/ makefiles are updated to use
"BUILD", "SIGN" and "STRIP" rather than "Building",
"Signing" and "Stripping" for consistency and to keep them
below 7 characters. Module .mo links now print "LD" rather
than the nonstandard "LD -r".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1475598441-27908-1-git-send-email-peter.maydell@linaro.org
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20160912091913.15831-17-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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This patch introduces the helper "gen-features" which allows to generate
feature list definitions at compile time. Its flexibility is better and the
error-proneness is lower when compared to static programming time added
statements.
The helper includes "target-s390x/cpu_features.h" to be able to use named
facility bits instead of numbers. The generated defines will be used for
the definition of CPU models.
We generate feature lists for each HW generation and GA for EC models. BC
models are always based on a EC version and have no separate definitions.
Base features: Features we expect to be always available in sane setups.
Migration safe - will never change. Can be seen as "minimum features
required for a CPU model".
Default features: Features we expect to be stable and around in latest
setups (e.g. having KVM support) - not migration safe.
Max features: All supported features that are theoretically allowed for a
CPU model. Exceeding these features could otherwise produce problems with
IBC (instruction blocking controls) in KVM.
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Michael Mueller <mimu@linux.vnet.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
[generate base, default and models. renaming and cleanup]
Message-Id: <20160905085244.99980-6-dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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In commit 4d330cee37a21 a new hostdep.h file was added, with the intent
that host architectures which needed one could provide it, and the
build system would automatically fall back to a generic version if
there was no version for the host architecture. Although this works,
it has a flaw: if a subsequent commit switches an architecture from
"uses generic/hostdep.h" to "uses its own hostdep.h" nothing in the
makefile dependencies notices this and so doing a rebuild without
a manual 'make clean' will fail.
So we drop the idea of having a 'generic' version in favour of
every architecture we support having its own hostdep.h, even if
it doesn't have anything in it. (There are only thirteen of these.)
If the dependency files claim that an object file depends on a
nonexistent file, our dependency system means that make will
rebuild the object file, and regenerate the dependencies in
the process. So moving between trees prior to this commit and
trees after this commit works without requiring a 'make clean'.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
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Switch make rules over to use trace-events-all as the
master trace events input file. Add rule that will
construct trace-events-all from $(trace-events-y).
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1466066426-16657-2-git-send-email-berrange@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Make sure that the various documentation and C code files are rebuilt
whenever there is a change in the script that splits them out of
.hx files.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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If a signal is delivered immediately before a blocking system call the
handler will only be called after the system call returns, which may be a
long time later or never.
This is fixed by using a function (safe_syscall) that checks if a guest
signal is pending prior to making a system call, and if so does not call the
system call and returns -TARGET_ERESTARTSYS. If a signal is received between
the check and the system call host_signal_handler() rewinds execution to
before the check. This rewinding has the effect of closing the race window
so that safe_syscall will reliably either (a) go into the host syscall
with no unprocessed guest signals pending or or (b) return
-TARGET_ERESTARTSYS so that the caller can deal with the signals.
Implementing this requires a per-host-architecture assembly language
fragment.
This will also resolve the mishandling of the SA_RESTART flag where
we would restart a host system call and not call the guest signal handler
until the syscall finally completed -- syscall restarting now always
happens at the guest syscall level so the guest signal handler will run.
(The host syscall will never be restarted because if the host kernel
rewinds the PC to point at the syscall insn for a restart then our
host_signal_handler() will see this and arrange the guest PC rewind.)
This commit contains the infrastructure for implementing safe_syscall
and the assembly language fragment for x86-64, but does not change any
syscalls to use it.
Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk>
Message-id: 1441497448-32489-14-git-send-email-T.E.Baldwin99@members.leeds.ac.uk
[PMM:
* Avoid having an architecture if-ladder in configure by putting
linux-user/host/$(ARCH) on the include path and including
safe-syscall.inc.S from it
* Avoid ifdef ladder in signal.c by creating new hostdep.h to hold
host-architecture-specific things
* Added copyright/license header to safe-syscall.inc.S
* Rewrote commit message
* Added comments to safe-syscall.inc.S
* Changed calling convention of safe_syscall() to match syscall()
(returns -1 and host error in errno on failure)
* Added a long comment in qemu.h about how to use safe_syscall()
to implement guest syscalls.
]
RV: squashed Peters "fixup! linux-user: compile on non-x86-64 hosts"
patch
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Start the new generic I/O channel framework by defining a
QIOChannel abstract base class. This is designed to feel
similar to GLib's GIOChannel, but with the addition of
support for using iovecs, qemu error reporting, file
descriptor passing, coroutine integration and use of
the QOM framework for easier sub-classing.
The intention is that anywhere in QEMU that almost
anywhere that deals with sockets will use this new I/O
infrastructure, so that it becomes trivial to then layer
in support for TLS encryption. This will at least include
the VNC server, char device backend and migration code.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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* Linux header update and cleanup
* Support for HyperV crash report
* Cleanup of target-specific HMP commands
* Multiarch batch
* Checkpatch fix for Perl 5.22
* NBD fix
* Revert incorrect commit 5243722376
# gpg: Signature made Wed 16 Sep 2015 16:39:01 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
* remotes/bonzini/tags/for-upstream: (24 commits)
nbd: release exp->blk after all clients are closed
checkpatch: Escape left braces in regex
monitor: uninclude cpu_ldst
include/exec: Move cputlb exec.c defs out
cputlb: Change tlb_set_dirty() arg to cpu
cputlb: move CPU_LOOP() for tlb_reset() to exec.c
translate: move real_host_page setting to -common
tcg: Move tci_tb_ptr to -common
tcg: split tcg_op_defs to -common
translate-all: Move tcg_handle_interrupt() to -common
cpu-exec: Migrate some generic fns to cpu-exec-common
qemu-char: Use g_new() & friends where that makes obvious sense
monitor: added generation of documentation for hmp-commands-info.hx
hmp-commands.hx: fix end of table info
monitor: remove target-specific code from monitor.c
hmp-commands-info: move info_cmds content out of monitor.c
i386/kvm: Hyper-v crash msrs set/get'ers and migration
kvm: Add kvm system event crash handler
cpu: Add crash_occurred flag into CPUState
target-i386: move asm-x86/hyperv.h to standard-headers
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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tcg_op_defs (and the _max) are both needed by the TCI disassembler. For
multi-arch, tcg.c will be multiple-compiled (arch-obj) with its symbols
hidden from common code. So split the definition off to new file,
tcg-common.c which will remain a regular obj-y for use by both the TCI
disas as well as the multiple tcg.c's.
Cc: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <4b607425886d85aee65878e4935dfad46b3e6085.1441614289.git.crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Move this function to common code. It has no arch specific
dependencies. Prepares support for multi-arch where the translate-all
interface needs to be virtualised. One less thing to virtualise.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <44a7c73604ed2552af47ed02b047b6a772b683e0.1441614289.git.crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The goal is to split the functions such that cpu-exec is CPU specific
content, while cpus-exec-common.c is generic code only. The function
interface to cpu-exec needs to be virtualised to prepare support for
multi-arch and moving these definitions out saves bloating the QOM
interface. So move these definitions out of cpu-exec to a new module,
cpu-exec-common.
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <3cefeb3fbbb33031670951a0e74de2778529da3f.1441614289.git.crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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For moving target- and device-specific code from monitor.c,
to beginning we move info_cmds content to hmp-commands-info.hx
Signed-off-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <1441899541-1856-2-git-send-email-den@openvz.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The qom objects are currently added to common-obj-y
which is only linked into the system emulators. The
later crypto patches will depend on QOM infrastructure
and will also be used from tools binaries. Thus the QOM
objects are moved into a new qom-obj-y variable which
can be referenced when linking tools, system emulators
and tests.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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Future patches will be adding more crypto related APIs which
rely on QOM infrastructure. This creates a problem, because
QOM relies on library constructors to register objects. When
you have a file in a static .a library though which is only
referenced by a constructor the linker is dumb and will drop
that file when linking to the final executable :-( The only
workaround for this is to link the .a library to the executable
using the -Wl,--whole-archive flag, but this creates its own
set of problems because QEMU is relying on lazy linking for
libqemuutil.a. Using --whole-archive majorly increases the
size of final executables as they now contain a bunch of
object code they don't actually use.
The least bad option is to thus not include the crypto objects
in libqemuutil.la, and instead define a crypto-obj-y variable
that is referenced directly by all the executables that need
this code (tools + softmmu, but not qemu-ga). We avoid pulling
entire of crypto-obj-y into the userspace emulators as that
would force them to link to gnutls too, which is not required.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
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Using ccache with CCACHE_BASEDIR set to $(SRC_PATH) or a parent will
rewrite all absolute paths to relative paths. This interacts poorly with
QEMU's two-level build directory scheme. For example, lets say
BUILD_DIR=$(SRC_PATH)/build so build/blockdev.d will contain:
blockdev.o: ../blockdev.c ../include/sysemu/block-backend.h \
Now the target build under build/x86_64-softmmu or similar will depend
on ../blockdev.o which in turn will get make to source ../blockdev.d to
check its dependencies. Since make always considers paths relative to
the current working directory rather than the makefile the path appeared
in the relative path to ../blockdev.c is useless.
This change simply adds the top level build directory to vpath so paths
relative to the source directory, top build directory, and target build
directory all work just fine.
Signed-off-by: Michael Marineau <michael.marineau@coreos.com>
Message-Id: <1439103775-11836-1-git-send-email-michael.marineau@coreos.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Now, everything is in place.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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For historic reasons, ram migration have been on arch_init.c. Just
split it into migration/ram.c, the same that happened with block.c.
There is only code movement, no changes altogether.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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make can be invoked in the individual build dirs to build an individual
target or just a single file of a target. e.g.
touch translate-all.c
make -C microblazeel-softmmu translate-all.o
There is however a small bug when using the pixman submodule.
config-host.mak will ref BUILD_DIR for the pixman -I CFLAGS:
grep BUILD_DIR config-host.mak
QEMU_CFLAGS=-I$(SRC_PATH)/pixman/pixman -I$(BUILD_DIR)/pixman/pixman ...
This causes a build failure as -I/pixman/pixman (BUILD_DIR=="") will
not be found.
BUILD_DIR is usually set by the top level Makefile. Just lazy-set it in
Makefile.target to the parent directory.
Granted, this will not work if the pixman submodule is not prebuilt,
but it at least means you can do incremental partial builds once you
have done your initial full build (or attempt) from the top level.
The next step would be refactor make infrastructure to rebuild pixman
on a submake like the one above.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-Id: <1432618686-16077-1-git-send-email-crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There is no reason for device tree API to be built per-target.
common-obj it. There is an extraneous inclusion of config.h that
needs to be removed.
Cc: Alexander Graf <agraf@suse.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Implements setting the icon for the binary file in Mac OS X.
Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
[PMM: tweaked makefile to use $@ and quiet-command]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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I discovered a problem when trying to build QEMU statically with gcc.
libm is an element of LIBS while libpixman-1 is an element in
libs_softmmu. Libpixman references functions in libm, so the original
ordering makes linking fail.
This fix is to reorder $libs_softmmu and $LIBS to make -lm appear after
-lpixman-1. However I'm not quite sure if this is the right fix, hence
the RFC tag.
Normally QEMU is built with c++ compiler which happens to link in libm
(at least this is the case with g++), so building QEMU statically
normally just works and nobody notices this issue.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Message-Id: <1425912873-21215-1-git-send-email-wei.liu2@citrix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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relink binary whenever config-devices.mak changes:
this makes sense as we are adding/removing devices,
so binary has to be relinked to be up to date.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <1424332114-13440-2-git-send-email-mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Some of these functions are really quite large. We have a number of
things that ought to be circularly dependent, but we duplicated code
to break that chain for the inlines.
This saved 25% of the code size of one of the translators I examined.
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Generates file "trace/generated-helpers.c" with TCG helper definitions to trace
events in guest code at execution time.
The helpers ('helper_trace_${event}_exec_proxy') cast the TCG-compatible native
argument types to their original types (as defined in "trace-events") and call
the tracing routine ('trace_${event}_exec').
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The simpletrace SystemTap tapset outputs simpletrace binary traces for
SystemTap probes. This is useful because SystemTap has no default way
to format or store traces. The simpletrace SystemTap tapset provides an
easy way to store traces.
The simpletrace.py tool or custom Python scripts using the
simpletrace.py API can analyze SystemTap these traces:
$ ./configure --enable-trace-backends=dtrace ...
$ make && make install
$ stap -e 'probe qemu.system.x86_64.simpletrace.* {}' \
-c qemu-system-x86_64 >/tmp/trace.out
$ scripts/simpletrace.py --no-header trace-events /tmp/trace.out
g_malloc 4.531 pid=15519 size=0xb ptr=0x7f8639c10470
g_malloc 3.264 pid=15519 size=0x300 ptr=0x7f8639c10490
g_free 5.155 pid=15519 ptr=0x7f8639c0f7b0
Note that, unlike qemu-system-x86_64.stp and
qemu-system-x86_64.stp-installed, only one file is needed since the
simpletrace SystemTap tapset does not reference the QEMU binary by path.
Therefore it doesn't matter whether the QEMU binary is installed or not.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The existing test whether "-lm" needs to be included or not is
insufficient as it reports false negative on Fedora20/ppc64.
This happens because sin(0.0) is a constant value which compiler
can safely throw away and therefore there is no need to add "-lm".
As the result, qemu-nbd/qemu-io/qemu-img tools cannot compile.
This adds a global variable and uses it in the test to prevent
from optimization.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[Use Peter's improvement on the test to fool LTO, and remove the
now useless -lm addition in Makefile.target. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Use common rule (macro) to install and strip binaries, and use
it in all places where we install binaries, instead of fixing
bugs like 1319493 in every place.
(This fixes https://bugs.launchpad.net/bugs/1319493)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
MST: comment tweaks
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Enable compilation of the newly added libdecnumber library code.
Object file targets are added to Makefile.target using a newly
introduced flag CONFIG_LIBDECNUMBER. The flag is added
to the PowerPC targets (ppc[64]-linux-user, ppc[64]-softmmu).
Signed-off-by: Tom Musta <tommusta@gmail.com>
[agraf: add ppcemb and ppc64abi32 config]
Signed-off-by: Alexander Graf <agraf@suse.de>
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This change adds HOST_VARIANT_DIR so the various BSD OS dependent
code can be separated into its own directories rather than
using #ifdef's.
This may also allow an BSD variant OS to host another BSD variant's
executable as a target.
Signed-off-by: Sean Bruno <sbruno@freebsd.org>
Message-id: 1402246651-71099-2-git-send-email-sbruno@freebsd.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Adds support to compile QEMU with multiple tracing backends at the same time.
For example, you can compile QEMU with:
$ ./configure --enable-trace-backends=ftrace,dtrace
Where 'ftrace' can be handy for having an in-flight record of events, and 'dtrace' can be later used to extract more information from the system.
This patch allows having both available without recompiling QEMU.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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$(INSTALL_PROG) is evaluated to libtool if using libtool, while
$(INSTALL) is not. Use $(INSTALL_PROG) so that libtool is used
with target too when necessary. This allows, for example, to
link qemu with shared libcacard.
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: Fam Zheng <famz@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Alon Levy <alevy@redhat.com>
Cc: qemu-trivial@nongnu.org
--
This is done on top of previous patch (using $(STRIP)), but it can
be used by its own.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Commit 52ba784d3 replaced $(STRIP_OPT) with $(STRIP) in some
places (for example, Makefile.target), but not all of them.
There are a few places remain in main Makefile which still
uses $(STRIP_OPT). Replace these places with $(STRIP) too.
While at it, simplify variable pattern substitution of the
surrounding places, change $(patsubst pat,rep,$(var)) into
$(var:pat=rep) which is much easier to read (this is probably
a good idea to do everywhere).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Cc: Fam Zheng <famz@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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No need to save/restore obj-y, we can just build all-obj-y incrementally.
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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On win*, we build QEMU_PROGW (GUI) and create a console app QEMU_PROG
from it, while on non-win*, we make only QEMU_PROG using the same
rules as used for QEMU_PROGW on win*. Make just one rule for building
main executable, and an additional rule for win* to make console app
from it. Also consolidate tests for $(QEMU_PROGW).
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
[Fix user-mode compilation. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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So common functions used by both HVM and PV are factored out from
xen-all.c to xen-common.c.
Finally rename xen-all.c to xen-hvm.c, as those functions are only
useful to HVM guest.
Create *-stub files and modify Makefile.target to reflect the changes.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
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