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2014-03-31configure: add option to disable -fstack-protector flagsSteven Noonan
The -fstack-protector flag family is useful for ensuring safety and for debugging, but has a performance impact. Here are some boot time comparisons of the various versions of -fstack-protector using qemu-system-arm on an x86_64 host: # -fstack-protector-all Startup finished in 1.810s (kernel) + 12.331s (initrd) + 49.016s (userspace) = 1min 3.159s Startup finished in 1.801s (kernel) + 12.287s (initrd) + 47.925s (userspace) = 1min 2.013s Startup finished in 1.812s (kernel) + 12.302s (initrd) + 47.995s (userspace) = 1min 2.111s # -fstack-protector-strong Startup finished in 1.744s (kernel) + 11.223s (initrd) + 44.688s (userspace) = 57.657s Startup finished in 1.721s (kernel) + 11.222s (initrd) + 44.194s (userspace) = 57.138s Startup finished in 1.693s (kernel) + 11.250s (initrd) + 44.426s (userspace) = 57.370s # -fstack-protector Startup finished in 1.705s (kernel) + 11.409s (initrd) + 43.563s (userspace) = 56.677s Startup finished in 1.877s (kernel) + 11.137s (initrd) + 43.719s (userspace) = 56.734s Startup finished in 1.708s (kernel) + 11.141s (initrd) + 43.628s (userspace) = 56.478s # no stack protector Startup finished in 1.743s (kernel) + 11.190s (initrd) + 43.709s (userspace) = 56.643s Startup finished in 1.763s (kernel) + 11.216s (initrd) + 43.767s (userspace) = 56.747s Startup finished in 1.711s (kernel) + 11.283s (initrd) + 43.878s (userspace) = 56.873s This patch introduces a configure option to disable the stack protector entirely, and conditional stack protector flag selection (in order, based on availability): -fstack-protector-strong, -fstack-protector-all, no stack protector. Signed-off-by: Steven Noonan <snoonan@amazon.com> Cc: Anthony Liguori <aliguori@amazon.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> [Prefer -fstack-protector-all to -fstack-protector, suggested by Laurent Desnogues. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-28Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
acpi,pc,build bug fixes Here are some bugfixes for 2.0. A bugfix for acpi for pci bridges, and a build fix for old systems without pthread_setname_np: both fix regressions so we definitely want to include them. HPET fix is not for a regression but looks very safe, fixes a nasty bug and has been on list for a while. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Fri 28 Mar 2014 12:00:12 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: acpi: fix ACPI generation for pci bridges Don't enable a HPET timer if HPET is disabled Detect pthread_setname_np at configure time Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-27Detect pthread_setname_np at configure timeDr. David Alan Gilbert
Warn if no way of setting thread name is available. Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-03-26gtk: Support GTK without VTEStefan Weil
GTK without VTE is needed for hosts which don't support VTE (for example all variants of MinGW), but it can also be reasonable for other hosts. Signed-off-by: Stefan Weil <sw@weilnetz.de>
2014-03-19block/nfs: bump libnfs requirement to 1.9.3Peter Lieven
libnfs prior to 1.9.3 contains a bug that will report wrong transfer sizes if the file offset grows beyond 4GB and RPC responses are received out of order. this error is not detectable and fixable in qemu. additionally 1.9.3 introduces support for handling short read/writes in general and takes care of the necessary retransmissions internally. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-03-15configure: Don't use __int128_t for clang versions before 3.2Stefan Weil
Those versions don't fully support __int128_t. Cc: qemu-stable@nongnu.org Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-03-11Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
acpi,pc,test bug fixes More small fixes: the issues annoy developers so I thought they are worth fixing quickly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Tue 11 Mar 2014 11:27:44 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: acpi-test: update expected SSDT files acpi-build: don't access unaligned addresses q35: Correct typo BRDIGE -> BRIDGE configure: don't modify .status on error pc: avoid duplicate names for ROM MRs loader: rename in_ram/has_mr Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-11Merge remote-tracking branch 'remotes/spice/tags/pull-spice-4' into stagingPeter Maydell
minor spice patches. # gpg: Signature made Mon 10 Mar 2014 13:13:14 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/spice/tags/pull-spice-4: configure: Prettify message for hosts without spice support spice: QemuUIInfo windup spice: fix simple display surface handling Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-11configure: don't modify .status on errorMichael S. Tsirkin
./configure --help make will try to re-run configure with --help which isn't what was intended. The reason is that config.status was written even on configure error. Defer writing config.status until configure has completed successfully. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-10configure: Prettify message for hosts without spice supportStefan Weil
Instead of spice support no (/) configure now prints spice support no Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-03-08tcg-aarch64: Enable builtin disassemblerRichard Henderson
Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Claudio Fontana <claudio.fontana@huawei.com> Signed-off-by: Richard Henderson <rth@twiddle.net>
2014-03-07Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-4' into stagingPeter Maydell
Input handling rewrite. SDL2 support. # gpg: Signature made Wed 05 Mar 2014 11:16:08 GMT using RSA key ID D3E87138 # gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" # gpg: aka "Gerd Hoffmann <gerd@kraxel.org>" # gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>" * remotes/kraxel/tags/pull-input-4: (38 commits) ui/sdl2 : initial port to SDL 2.0 (v2.0) console: add QemuUIInfo console: add head to index to qemu consoles. input: remove index_from_keycode (no users) input: move do_mouse_set to new core input: move qmp_query_mice to new core input: add input_mouse_mode tracepoint input: move mouse mode notifier to new core input-legacy: remove kbd_mouse_event input-legacy: remove kbd_mouse_is_absolute input-legacy: remove kbd_mouse_has_absolute input-legacy: remove kbd_put_keycode input: trace events input: mouse: switch cocoa ui to new core input: keyboard: switch cocoa ui to new core input: mouse: switch monitor to new core input: mouse: switch spice ui to new core input: mouse: switch vnc ui to new core input: mouse: switch sdl ui to new core input: mouse: switch gtk ui to new core ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-03-06configure: Always build with -fno-commonPeter Maydell
MacOSX doesn't pull .o files from .a archives if the symbol that it requires is one which the .o file defines as a common symbol. (Common symbols are those declared without "extern"; the linker will merge together common symbols with the same name, so redeclaring the same variable in two compilation units results in them referring to the same symbol rather than a compilation error). This MacOSX difference from traditional linker behaviour means that "make check" produces link errors: Undefined symbols for architecture x86_64: "_cur_mon", referenced from: _error_vprintf in libqemuutil.a(qemu-error.o) _error_printf in libqemuutil.a(qemu-error.o) _error_printf_unless_qmp in libqemuutil.a(qemu-error.o) _error_print_loc in libqemuutil.a(qemu-error.o) _error_report in libqemuutil.a(qemu-error.o) ld: symbol(s) not found for architecture x86_64 in this case because "cur_mon" is a common symbol in libqemustub.a(mon-set-error.o). In QEMU we don't make any use at all of the common symbol functionality, so we can avoid this problem entirely simply by compiling with -fno-common. Enable this option for all builds, not just MacOSX, so that if we ever inadvertently introduce multiple definitions of some variable that will be immediately spotted as a build error rather than only breaking the MacOSX build. Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 1393451610-24617-1-git-send-email-peter.maydell@linaro.org
2014-03-06configure: Make C++ test work with --enable-werrorPeter Maydell
gcc's C++ compiler complains about being passed some -W options which make sense for C but not for C++. This means we mustn't try a C++ compile with QEMU_CFLAGS, but only with a filtered version that removes the offending options. This filtering was already being done for uses of C++ in the build itself, but was omitted for the "does C++ work?" configure test. This only showed up when doing builds which explicitly enabled -Werror with --enable-werror, because the "do the compilers work" tests were mistakenly placed above the "default werror based on whether compiling from git" code. Another error in this category is that clang warns if you ask it to compile C++ code from a file named "foo.c". Further, because we were running do_cc in a subshell in the condition part of an "if", the error_exit inside do_compiler wouldn't terminate configure and we would plunge on regardless. Fix this complex of errors: 1. Move the default-werror code up so that there are no invocations of compile_object and friends between it and the point where we set $werror explicitly based on the --enable-werror command line option. 2. Provide a mechanism for filtering QEMU_CFLAGS to create QEMU_CXXFLAGS, and use it for the test we run here. 3. Provide a do_cxx function to run a test with the C++ compiler rather than doing cute tricks with subshells and do_cc. 4. Use a new temporary file TMPCXX for the C++ program fragment. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393352869-22257-1-git-send-email-peter.maydell@linaro.org Tested-by: Andreas Färber <afaerber@suse.de>
2014-03-05ui/sdl2 : initial port to SDL 2.0 (v2.0)Dave Airlie
I've ported the SDL1.2 code over, and rewritten it to use the SDL2 interface. The biggest changes were in the input handling, where SDL2 has done a major overhaul, and I've had to include a generated translation file to get from SDL2 codes back to qemu compatible ones. I'm still not sure how the keyboard layout code works in qemu, so there may be further work if someone can point me a test case that works with SDL1.2 and doesn't with SDL2. Some SDL env vars we used to set are no longer used by SDL2, Windows, OSX support is untested, I don't think we can link to SDL1.2 and SDL2 at the same time, so I felt using --with-sdlabi=2.0 to select the new code should be fine, like how gtk does it. v1.1: fix keys in text console v1.2: fix shutdown, cleanups a bit of code, support ARGB cursor v2.0: merge the SDL multihead patch into this, g_new the number of consoles needed, wrap DCL inside per-console structure. Signed-off-by: Dave Airlie <airlied@redhat.com> Fixes & improvements by kraxel: * baum build fix * remove text console logic * adapt to new input core * codestyle fixups Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-02-28dump: add support for lzo/snappyqiaonuohan
kdump-compressed format supports three compression format, zlib/lzo/snappy. Currently, only zlib is available. This patch is used to support lzo/snappy. '--enable-lzo/--enable-snappy' is needed to be specified with configure to make lzo/snappy available for qemu Signed-off-by: Qiao Nuohan <qiaonuohan@cn.fujitsu.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-02-26Merge remote-tracking branch ↵Peter Maydell
'remotes/pmaydell/tags/pull-target-arm-20140226' into staging target-arm queue: * fixes for various Coverity-spotted bugs * support new KVM device control API for VGIC * support KVM VGIC save/restore/migration * more AArch64 system mode foundations * support ARMv8 CRC instructions for A32/T32 * PL330 minor fixes and cleanup # gpg: Signature made Wed 26 Feb 2014 17:51:32 GMT using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20140226: (45 commits) dma/pl330: implement dmaadnh instruction dma/pl330: Fix buffer depth dma/pl330: Add event debugging printfs dma/pl330: Rename parent_obj dma/pl330: printf format type sweep. dma/pl330: Fix misleading type dma/pl330: Delete overly verbose debug printf target-arm: Add support for AArch32 ARMv8 CRC32 instructions include/qemu/crc32c.h: Rename include guards to match filename target-arm: Add utility function for checking AA32/64 state of an EL target-arm: Implement AArch64 view of CPACR target-arm: A64: Implement MSR (immediate) instructions target-arm: Store AIF bits in env->pstate for AArch32 target-arm: A64: Implement WFI target-arm: Get MMU index information correct for A64 code target-arm: Implement AArch64 OSLAR_EL1 sysreg as WI target-arm: Implement AArch64 dummy breakpoint and watchpoint registers target-arm: Implement AArch64 ID and feature registers target-arm: Implement AArch64 generic timers target-arm: Implement AArch64 MPIDR ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into ↵Peter Maydell
staging Net patches # gpg: Signature made Tue 25 Feb 2014 13:32:33 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/net-pull-request: virtio-net: use qemu_get_queue() where possible vhost_net: use offload API instead of bypassing it net: remove implicit peer from offload API net: Disable netmap backend when not supported net: add offloading support to netmap backend net: make tap offloading callbacks static net: virtio-net and vmxnet3 use offloading API net: TAP uses NetClientInfo offloading callbacks net: extend NetClientInfo for offloading net: change vnet-hdr TAP prototypes opencores_eth: flush queue whenever can_receive can go from false to true Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-26target-arm: Add support for AArch32 ARMv8 CRC32 instructionsWill Newton
Add support for AArch32 CRC32 and CRC32C instructions added in ARMv8 and add a CPU feature flag to enable these instructions. The CRC32-C implementation used is the built-in qemu implementation and The CRC-32 implementation is from zlib. This requires adding zlib to LIBS to ensure it is linked for the linux-user binary. Signed-off-by: Will Newton <will.newton@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1393411566-24104-3-git-send-email-will.newton@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25modules: do not include gmodule-2.0 in static buildsPaolo Bonzini
gmodule-2.0's pkg-config files include -Wl,--export-dynamic, which breaks static builds. It is a glib bug, but we need to support --static builds for the linux-user targets, and in the end all that is needed to fix this is: * outlaw --enable-modules --static, which makes little sense anyway * only include gmodule-2.0's cflags and ldflags if --enable-modules is specified on the command line. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1393346215-5636-1-git-send-email-pbonzini@redhat.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-25net: Disable netmap backend when not supportedVincenzo Maffione
This patch fixes configure so that the netmap backend is not compiled in if the host doesn't support an API version >= 11. A version upper bound (15) has been added so that the netmap API can be extended with some minor features without requiring QEMU code modifications. Moreover, some changes have been done to net/netmap.c in order to reflect the current netmap API/ABI (11). The NETMAP_WITH_LIBS macro makes possible to include some utilities (e.g. netmap ring macros, D(), RD() and other high level functions) through the netmap headers. In this way we get rid of the D and RD macro definitions in the QEMU code, and we open the way for further code simplifications that will be introduced by future patches. Signed-off-by: Vincenzo Maffione <v.maffione@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-02-25Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into stagingPeter Maydell
Block patches # gpg: Signature made Fri 21 Feb 2014 21:42:24 GMT using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-upstream: (54 commits) iotests: Mixed quorum child device specifications quorum: Simplify quorum_open() quorum: Add unit test. quorum: Add quorum_open() and quorum_close(). quorum: Implement recursive .bdrv_recurse_is_first_non_filter in quorum. quorum: Add quorum_co_flush(). quorum: Add quorum_invalidate_cache(). quorum: Add quorum_getlength(). quorum: Add quorum mechanism. quorum: Add quorum_aio_readv. blkverify: Extract qemu_iovec_clone() and qemu_iovec_compare() from blkverify. quorum: Add quorum_aio_writev and its dependencies. quorum: Create BDRVQuorumState and BlkDriver and do init. quorum: Create quorum.c, add QuorumChildRequest and QuorumAIOCB. check-qdict: Test termination of qdict_array_split() check-qdict: Adjust test for qdict_array_split() qdict: Extract non-QDicts in qdict_array_split() qemu-config: Sections must consist of keys qemu-iotests: Check qemu-img command line parsing qemu-img: Allow -o help with incomplete argument list ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24Merge remote-tracking branch 'remotes/bonzini/configure' into stagingPeter Maydell
* remotes/bonzini/configure: build: softmmu targets do not have a "main.o" file configure: Disable libtool if -fPIE does not work with it (bug #1257099) block: convert block drivers linked with libs to modules Makefile: introduce common-obj-m and block-obj-m for DSO Makefile: install modules with "make install" module: implement module loading rules.mak: introduce DSO rules darwin: do not use -mdynamic-no-pic block: use per-object cflags and libs rules.mak: allow per object cflags and libs rules.mak: fix $(obj) to a real relative path util: Split out exec_dir from os_find_datadir Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-24configure: check that C++ compiler actually worksPeter Maydell
Check that the C++ compiler works with the C compiler; if it does not, then don't pass CXX to the build process. This fixes a regression where QEMU was no longer building if the build environment didn't have a C++ compiler (introduced in commit 3144f78b, which incorrectly assumed that rules.mak would only see a non-empty $(CXX) if configure had actually found a working C++ compiler). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru> Reported-by: Thomas Huth <thuth@linux.vnet.ibm.com> Tested-by: Thomas Huth <thuth@linux.vnet.ibm.com> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-id: 1392909016-14028-1-git-send-email-peter.maydell@linaro.org
2014-02-21quorum: Add quorum mechanism.Benoît Canet
This patchset enables the core of the quorum mechanism. The num_children reads are compared to get the majority version and if this version exists more than threshold times the guest won't see the error at all. If a block is corrupted or if an error occurs during an IO or if the quorum cannot be established QMP events are used to report to the management. Use gnutls's SHA-256 to compare versions. --enable-quorum must be used to enable the feature. Signed-off-by: Benoit Canet <benoit@irqsave.net> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-02-21Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' ↵Peter Maydell
into staging Tracing pull request # gpg: Signature made Wed 19 Feb 2014 15:42:20 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: trace-events: Fix typo in "offset" Add ust generated files to .gitignore Update documentation for LTTng ust tracing Adapt Makefiles to the new LTTng ust interface Modified the tracetool framework for LTTng 2.x Fix configure script for LTTng 2.x Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-21tcg/i386: Fix build for systems without working cpuid.h (MacOSX, Win32)Peter Maydell
Win32 doesn't have a cpuid.h, and MacOSX may have one but without the __cpuid() function we use, which means that commit 9d2eec20 broke the build for those platforms. Fix this by tightening up our configure cpuid.h check to test that the functions we need are present, and adding some missing #ifdef guards in tcg/i386/tcg-target.c. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-02-20configure: Disable libtool if -fPIE does not work with it (bug #1257099)Don Slutz
Adjust TMPO and added TMPB, TMPL, and TMPA. libtool needs the names to be fixed (TMPB). Add new functions do_libtool and libtool_prog. Add check for broken gcc and libtool. Signed-off-by: Don Slutz <dslutz@verizon.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20block: convert block drivers linked with libs to modulesFam Zheng
The converted block drivers are: curl iscsi rbd ssh glusterfs Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20module: implement module loadingFam Zheng
This patch adds loading, stamp checking and initialization of modules. The init function of dynamic module is no longer directly called as __attribute__((constructor)) in static linked version, it is called only after passed the checking of presense of stamp symbol: qemu_stamp_$RELEASEHASH where $RELEASEHASH is generated by hashing version strings and content of configure script. With this, modules built from a different tree/version/configure will not be loaded. The module loading code requires gmodule-2.0. Modules are searched under - CONFIG_MODDIR - executable folder (to allow running qemu-{img,io} in the build directory) - ../ of executable folder (to allow running system emulator in the build directory) Modules are linked under their subdir respectively, then copied to top level of build directory for above convinience, e.g.: $(BUILD_DIR)/block/curl.so -> $(BUILD_DIR)/block-curl.so Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20rules.mak: introduce DSO rulesFam Zheng
Add necessary rules and flags for shared object generation. The new rules introduced here are: 1) %.o in $(common-obj-m) is compiled to %.o, then linked to %.so. 2) %.mo in $(common-obj-m) is the placeholder for %.so for pattern matching in Makefile. It's linked to "-shared" with all its dependencies (multiple *.o) as input. Which means the list of depended objects must be specified in each sub-Makefile.objs: foo.mo-objs := bar.o baz.o qux.o in the same style with foo.o-cflags and foo.o-libs. The objects here will be prefixed with "$(obj)/" if it's a subdirectory Makefile.objs. 3) For all files ending up in %.so, the following is added automatically: foo.o-cflags += -fPIC -DBUILD_DSO Also introduce --enable-modules in configure, the option will enable support of shared object build. Otherwise objects are static linked to executables. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20darwin: do not use -mdynamic-no-picPaolo Bonzini
While -mdynamic-no-pic can speed up the code somewhat, it is only used on the legacy PowerPC Mac OS X, and I am not sure if anyone is still testing that. Disabling PIC can cause problems when enabling modules, so do not do that. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20block: use per-object cflags and libsFam Zheng
No longer adds flags and libs for them to global variables, instead create config-host.mak variables like FOO_CFLAGS and FOO_LIBS, which is used as per object cflags and libs. This removes unwanted dependencies from libcacard. Signed-off-by: Fam Zheng <famz@redhat.com> [Split from Fam's patch to enable modules. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-20rules.mak: fix $(obj) to a real relative pathFam Zheng
Makefile.target includes rule.mak and unnested common-obj-y, then prefix them with '../', this will ignore object specific QEMU_CFLAGS in subdir Makefile.objs: $(obj)/curl.o: QEMU_CFLAGS += $(CURL_CFLAGS) Because $(obj) here is './block', instead of '../block'. This doesn't hurt compiling because we basically build all .o from top Makefile, before entering Makefile.target, but it will affact arriving per-object libs support. The starting point of $(obj) is passed in as argument of unnest-vars, as well as nested variables, so that different Makefiles can pass in a right value. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-02-19Fix configure script for LTTng 2.xMohamad Gebai
Signed-off-by: Mohamad Gebai <mohamad.gebai@polymtl.ca> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-02-17Fix QEMU build on OpenBSD on x86 archsBrad
This resolves the build issue with building the ROMs on OpenBSD on x86 archs. As of OpenBSD 5.3 the compiler builds PIE binaries by default and thus the whole OS/packages and so forth. The ROMs need to have PIE disabled. Check in configure whether the compiler supports the flags for disabling PIE, and if it does then use them for building the ROMs. This fixes the following buildbot failure: >From the OpenBSD buildbots.. Building optionrom/multiboot.img ld: multiboot.o: relocation R_X86_64_16 can not be used when making a shared object; recompile with -fPIC Signed-off by: Brad Smith <brad@comstyle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-15configure: add hints to a remedy for feature_not_found errorsStewart Smith
Modify feature_not_found to accept an optional second parameter to be printed after the generic feature not found error. Modify most calls to feature_not_found to provide hints as to the packages that may be missing. The few calls remaining without a remedy are ones I couldn't work out how to remedy myself. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-02-15configure: add hint of libfdt to DTC dependency not found messageStewart Smith
Most distros package it as libfdt, and mentioning libfdt here makes it much easier to find the package you're missing. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com> Reviewed-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-02-12Merge remote-tracking branch 'remotes/kevin/tags/for-anthony' into stagingPeter Maydell
Block patches # gpg: Signature made Sun 09 Feb 2014 08:12:51 GMT using RSA key ID C88F2FD6 # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" * remotes/kevin/tags/for-anthony: block: Fix 32 bit truncation in mark_request_serialising() blkdebug: Don't leak bs->file on failure block: Don't call ROUND_UP with negative values block: bdrv_aligned_pwritev: Assert overlap range block: Fix memory leaks in bdrv_co_do_pwritev() raw: Fix BlockLimits passthrough qemu-iotests: add test for qcow2 preallocation with different cluster sizes qcow2: check for NULL l2meta qcow2: fix offset overflow in qcow2_alloc_clusters_at() qcow2: remove n_start and n_end of qcow2_alloc_cluster_offset() block/iscsi: always fill bs->bl.opt_transfer_length block: Fail gracefully with missing filename qemu-iotests: enable support for NFS protocol qemu-iotests: enable test 016 and 025 to work with NFS protocol qemu-iotests: blacklist test 020 for NFS protocol qemu-iotests: change _supported_proto to file for various tests block: add native support for NFS qemu-iotest: Make 077 raw-only Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-09block: add native support for NFSPeter Lieven
This patch adds native support for accessing images on NFS shares without the requirement to actually mount the entire NFS share on the host. NFS Images can simply be specified by an url of the form: nfs://<host>/<export>/<filename>[?param=value[&param2=value2[&...]]] For example: qemu-img create -f qcow2 nfs://10.0.0.1/qemu-images/test.qcow2 You need LibNFS from Ronnie Sahlberg available at: git://github.com/sahlberg/libnfs.git for this to work. During configure it is automatically probed for libnfs and support is enabled on-the-fly. You can forbid or enforce libnfs support with --disable-libnfs or --enable-libnfs respectively. Due to NFS restrictions you might need to execute your binaries as root, allow them to open priviledged ports (<1024) or specify insecure option on the NFS server. For additional information on ROOT vs. non-ROOT operation and URL format + parameters see: https://raw.github.com/sahlberg/libnfs/master/README Supported by qemu are the uid, gid and tcp-syncnt URL parameters. LibNFS currently support NFS version 3 only. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-02-08disas: Implement disassembly output for A64Claudio Fontana
Use libvixl to implement disassembly output in debug logs for A64, for use with both AArch64 hosts and targets. Signed-off-by: Claudio Fontana <claudio.fontana@linaro.org> [PMM: * added support for target disassembly * switched to custom QEMUDisassembler so the output format matches what QEMU expects * make sure we correctly fall back to "just print hex" if we didn't build the AArch64 disassembler because of lack of a C++ compiler * rename from 'aarch64' to 'arm-a64' because this is a disassembler for the A64 instruction set * merge aarch64.c and aarch64-cxx.cc into one C++ file * simplify the aarch64.c<->aarch64-cxx.cc interface] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-26configure: added acpi unit-test filesMarcel Apfelbaum
Ensure configure will set-up links for the files if the build is created in other directory. Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-22gluster: Implement .bdrv_co_write_zeroes for glusterBharata B Rao
Support .bdrv_co_write_zeroes() from gluster driver by using GlusterFS API glfs_zerofill() that off-loads the writing of zeroes to GlusterFS server. Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-01-10Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori
* stefanha/block: commit: Remove unused check qemu-iotests: Update test cases for commit active commit: Support commit active layer block: Add commit_active_start() mirror: Move base to MirrorBlockJob mirror: Don't close target qemu-iotests: drop duplicate virtio-blk initialization failure vmdk: Allow vmdk_create to work with protocol vmdk: Check VMFS extent line field number docs: updated qemu-img man page and qemu-doc to reflect VHDX support. block: vhdx - improve error message, and .bdrv_check implementation block/iscsi: Fix compilation for libiscsi 1.4.0 (API change) qapi-schema: fix QEMU 1.8 references dataplane: replace hostmem with memory_region_find dataplane: change vring API to use VirtQueueElement vring: factor common code for error exits vring: create a common function to parse descriptors sheepdog: fix dynamic grow for running qcow2 format Message-id: 1387554416-5837-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-01configure: Python tests must be done before help messageStefan Weil
The help message uses $python and displays its value, so that macro should be tested and set early. With this modification, configure --help displays the correct value (usually python -B) and no longer creates several *.pyc files. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2014-01-01configure: Rewrite code for help messageStefan Weil
In the new form most lines of the code now look like the final output: there is no leading echo command and the lines are shorter. The resulting output is nearly identical: the only difference is a blank character which was deliberately removed: @@ -8,7 +8,7 @@ --interp-prefix=PREFIX where to find shared libraries, etc. use %M for cpu name [/usr/gnemul/qemu-%M] --target-list=LIST set target list (default: build everything) - Available targets: alpha-softmmu arm-softmmu + Available targets: alpha-softmmu arm-softmmu cris-softmmu i386-softmmu lm32-softmmu m68k-softmmu microblaze-softmmu microblazeel-softmmu mips-softmmu mips64-softmmu mips64el-softmmu mipsel-softmmu Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-12-20block/iscsi: Fix compilation for libiscsi 1.4.0 (API change)Stefan Weil
Function iscsi_read10_task got additional parameters starting with version libiscsi 1.5.0. libiscsi 1.4.0 is still widely used (Debian wheezy, jessie and other Linux distributions currently provide packages for QEMU which use it), so we still need support for this older API. Reviewed-by: Peter Lieven <pl@kamp.de> Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-12-17target-arm: Support fp registers in gdb stubPeter Maydell
Register the aarch64-fpu XML and implement the necessary read/write handlers so we can support reading and writing of FP registers in the gdb stub. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net>
2013-12-17configure: Enable KVM for aarch64 host/target combinationPeter Maydell
Enable KVM if the host and target CPU are both aarch64. Note that host aarch64 + target arm is not valid for KVM acceleration: the 64 bit kernel does not support the ioctl interface for 32 bit CPUs. 32 bit VMs on 64 bit hosts need to be created using the 64 bit ioctl interface; when QEMU supports this it will be on the arch64-softmmu target with a -cpu parameter for a 32 bit CPU, which is still an aarch64/aarch64 combination as far as configure is concerned. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1385645602-18662-5-git-send-email-peter.maydell@linaro.org Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
2013-12-13Merge remote-tracking branch 'bonzini/scsi-next' into stagingAnthony Liguori
# By Paolo Bonzini (4) and Peter Lieven (1) # Via Paolo Bonzini * bonzini/scsi-next: help: add id suboption to -iscsi scsi-disk: fix WRITE SAME with large non-zero payload block/iscsi: introduce bdrv_co_{readv, writev, flush_to_disk} scsi-disk: fix VERIFY emulation scsi-bus: fix transfer length and direction for VERIFY command Message-id: 1386594157-17535-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
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