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2017-02-28target/alpha: Enable MTTCG by defaultRichard Henderson
Alpha has a weak memory ordering and issues all of the required barriers. Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-25Merge remote-tracking branch 'remotes/yongbok/tags/mips-20170224-2' into stagingPeter Maydell
MIPS patches 2017-02-24-2 CHanges: * Add the Boston board with fixing the make check issue on 32-bit hosts. # gpg: Signature made Fri 24 Feb 2017 11:43:45 GMT # gpg: using RSA key 0x2238EB86D5F797C2 # gpg: Good signature from "Yongbok Kim <yongbok.kim@imgtec.com>" # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 8600 4CF5 3415 A5D9 4CFA 2B5C 2238 EB86 D5F7 97C2 * remotes/yongbok/tags/mips-20170224-2: hw/mips: MIPS Boston board support Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-02-24hw/mips: MIPS Boston board supportPaul Burton
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: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Yongbok 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: Yongbok Kim <yongbok.kim@imgtec.com>
2017-02-24tcg: enable MTTCG by default for ARM on x86 hostsAlex Bennée
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: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Acked-by: Peter Maydell <peter.maydell@linaro.org> Tested-by: Pranith Kumar <bobby.prani@gmail.com> Reviewed-by: Pranith Kumar <bobby.prani@gmail.com>
2017-02-23Revert "hw/mips: MIPS Boston board support"Peter Maydell
This reverts commit d3473e147a754e999718bf6fcb015d9978c6a1ee. 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: Peter Maydell <peter.maydell@linaro.org>
2017-02-21hw/mips: MIPS Boston board supportPaul Burton
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: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Yongbok 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: Yongbok Kim <yongbok.kim@imgtec.com>
2017-02-21dtc: Update requirement to v1.4.2Paul Burton
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: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
2017-02-14target/openrisc: Rename the cpu from or32 to or1kRichard Henderson
This is in keeping with the toolchain and or1ksim. Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-02-07rules: don't try to create missing include dirsDaniel P. Berrange
In commit ba78db44f6532d66a1e704bd44613e841baa2fc5 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 ba78db44f653 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: Daniel P. Berrange <berrange@redhat.com> Tested-by: Alberto Garcia <berto@igalia.com> [PMM: added note about how to clean up a polluted directory] Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-24nios2: Add support for Nios-II R1Marek Vasut
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: Marek 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: Alexander Graf <agraf@suse.de> Message-Id: <20170118220146.489-8-marex@denx.de> Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-24Merge remote-tracking branch 'remotes/rth/tags/pull-hppa-20170123' into stagingPeter Maydell
hppa-linux target support # gpg: Signature made Mon 23 Jan 2017 17:54:09 GMT # gpg: using RSA key 0xAD1270CC4DD0279B # gpg: Good signature from "Richard Henderson <rth7680@gmail.com>" # gpg: aka "Richard Henderson <rth@redhat.com>" # gpg: aka "Richard Henderson <rth@twiddle.net>" # Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC 16A4 AD12 70CC 4DD0 279B * remotes/rth/tags/pull-hppa-20170123: (25 commits) target-hppa: Implement floating-point insns target-hppa: Implement system and memory-management insns target-hppa: Implement loads and stores target-hppa: Implement shifts and deposits target-hppa: Implement linux-user gateway page target-hppa: Implement branches target-hppa: Implement basic arithmetic target-hppa: Add nullification framework target-hppa: Add framework and enable compilation target-hppa: Add softfloat specializations linux-user: Add HPPA startup and main loop linux-user: Add HPPA signal handling linux-user: Add HPPA target_signal.h and target_cpu.h linux-user: Add HPPA target_structs.h linux-user: Add HPPA definitions to syscall_defs.h linux-user: Add HPPA target_syscall.h linux-user: Add HPPA termbits.h linux-user: Add HPPA syscall numbers linux-user: Add HPPA socket.h definitions linux-user: Add some hppa ioctls ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2017-01-23target-hppa: Add framework and enable compilationRichard Henderson
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: Richard Henderson <rth@twiddle.net>
2017-01-22Revert "Remove remainders of HPPA backend"Richard Henderson
This reverts commit d41f3c3cc7a5fb9de144cc4022da14a9ff010671. Signed-off-by: Richard Henderson <rth@twiddle.net>
2017-01-20Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* QOM interface fix (Eduardo) * RTC fixes (Gaohuai, Igor) * Memory leak fixes (Li Qiang, me) * Ctrl-a b regression (Marc-André) * Stubs cleanups and fixes (Leif, me) * hxtool tweak (me) * HAX support (Vincent) * QemuThread, exec.c and SCSI fixes (Roman, Xinhua, me) * PC_COMPAT_2_8 fix (Marcelo) * stronger bitmap assertions (Peter) # gpg: Signature made Fri 20 Jan 2017 12:49:01 GMT # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (35 commits) pc.h: move x-mach-use-reliable-get-clock compat entry to PC_COMPAT_2_8 bitmap: assert that start and nr are non negative Revert "win32: don't run subprocess tests on Mingw32 platform" hax: add Darwin support Plumb the HAXM-based hardware acceleration support target/i386: Add Intel HAX files kvm: move cpu synchronization code KVM: PPC: eliminate unnecessary duplicate constants ramblock-notifier: new char: fix ctrl-a b not working exec: Add missing rcu_read_unlock x86: ioapic: fix fail migration when irqchip=split x86: ioapic: dump version for "info ioapic" x86: ioapic: add traces for ioapic hxtool: emit Texinfo headings as @subsection qemu-thread: fix qemu_thread_set_name() race in qemu_thread_create() serial: fix memory leak in serial exit scsi-block: fix direction of BYTCHK test for VERIFY commands pc: fix crash in rtc_set_memory() if initial cpu is marked as hotplugged acpi: filter based on CONFIG_ACPI_X86 rather than TARGET ... # Conflicts: # include/hw/i386/pc.h
2017-01-19Revert "win32: don't run subprocess tests on Mingw32 platform"Marc-André Lureau
This reverts commit 7ad9339e372fcd12d584684d7f52ac259604a4f4. 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: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170104205722.26492-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-19Plumb the HAXM-based hardware acceleration supportVincent Palatin
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>
2017-01-16build: remove --enable-colo/--disable-coloPaolo Bonzini
No need to provide this knob, so remove it and stubs/migration-colo.c. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2017-01-16build-sys: add qapi doc generation targetsMarc-André Lureau
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: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20170113144135.5150-22-marcandre.lureau@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2017-01-09block: Rename raw-{posix,win32} to file-*.cEric Blake
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: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-12-22Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* core support for MemoryRegionCache from myself * rules.mak speedup and cleanups from myself and Marc-Adnré * multiboot command line fix from Vlad * SCSI fixes from myself * small qemu-timer speedup from myself * x86 debugging improvements from Doug * configurable Q35 devices from Chao * x86 5-level paging support from Kirill * x86 SHA_NI support for KVM from Yi Sun * improved kvmclock migration logic from Marcelo * bugfixes and doc fixes from others # gpg: Signature made Thu 22 Dec 2016 15:01:13 GMT # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (25 commits) x86: implement la57 paging mode target-i386: Fix eflags.TF/#DB handling of syscall/sysret insns kvmclock: reduce kvmclock difference on migration kvm: sync linux headers scsi-disk: fix VERIFY for scsi-block hw/block/pflash_cfi*.c: fix confusing assert fail message multiboot: copy the cmdline verbatim, unescape module strings x86: Fix x86_64 'g' packet response to gdb from 32-bit mode. pc: make pit configurable pc: make sata configurable pc: make smbus configurable target-i386: Add Intel SHA_NI instruction support. block: drop remaining legacy aio functions in comment main-loop: update comment for qemu_mutex_lock/unlock_iothread timer: fix misleading comment in timer.h qemu-timer: check active_timers outside lock/event virtio-scsi: introduce virtio_scsi_acquire/release build-sys: remove libtool left-over rules.mak: add more rules to avoid chaining rules.mak: speedup save-vars load-vars ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-12-22build-sys: remove libtool left-overMarc-André Lureau
Libtool support was removed in commit e999ee44349, there is a few left-over. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20161108070513.30274-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-12-22configure: add CONFIG_GCRYPT_HMAC itemLongpeng(Mike)
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: Longpeng(Mike) <longpeng2@huawei.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-11-29rules.mak: Also try -r to build modulesPaolo Bonzini
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 c96f0ee6a67ca6277366e78ce5d84d5c20dd596f ("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: Adrian Bunk <bunk@stusta.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 20161129153720.29747-1-pbonzini@redhat.com Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-29configure: fix LTTng UST tracing backend detectionFrancis Deslauriers
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: Francis Deslauriers <francis.deslauriers@efficios.com> Message-id: 1480348337-24271-1-git-send-email-francis.deslauriers@efficios.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-22Fix FreeBSD (10.x) build after 7dc9ae43Ed Maste
Include sys/user.h for declaration of 'struct kinfo_proc'. Add -lutil to qemu-ga link for kinfo_getproc. Signed-off-by: Ed Maste <emaste@freebsd.org> Message-id: 1479778365-11315-1-git-send-email-emaste@freebsd.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-11-10Fix cursesw detectionSamuel Thibault
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: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Cornelia Huck <cornelia.huck@de.ibm.com> Message-id: 20161109102752.13255-1-samuel.thibault@ens-lyon.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-31sockets: add AF_VSOCK supportStefan Hajnoczi
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: Stefan 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: Michael Roth <mdroth@linux.vnet.ibm.com>
2016-10-30configure: Support enable/disable COLO featurezhanghailiang
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: zhanghailiang <zhang.zhanghailiang@huawei.com> Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com> Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> Reviewed-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Amit Shah <amit@amitshah.net>
2016-10-28Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20161028-1' into ↵Peter Maydell
staging braille fixes and improvements. curses fix, switch to cursesw. gtk bugfixes. # gpg: Signature made Fri 28 Oct 2016 13:05:12 BST # gpg: using RSA key 0x4CB6D8EED3E87138 # 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>" # Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138 * remotes/kraxel/tags/pull-ui-20161028-1: curses: Use cursesw instead of curses curses: fix left/right arrow translation ui/gtk: Fix non-working DELETE key gtk: fix compilation warning with gtk 3.22.2 Defer BrlAPI tty acquisition to when guest starts using device Add dots keypresses support to the baum braille device Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-10-28curses: Use cursesw instead of cursesSamuel Thibault
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: Samuel Thibault <samuel.thibault@ens-lyon.org> Message-id: 20161015195308.20473-3-samuel.thibault@ens-lyon.org Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2016-10-28configure, ppc64: Copy skiboot.lid to build directory when configuringAlexey Kardashevskiy
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: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2016-10-26tcg: Add CONFIG_ATOMIC64Richard Henderson
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: Emilio G. Cota <cota@braap.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-10-26tcg: Add atomic128 helpersRichard Henderson
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: Emilio G. Cota <cota@braap.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-10-21linux-user: Add support for syncfs() syscallAleksandar Markovic
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: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-10-21linux-user: Add support for clock_adjtime() syscallAleksandar Markovic
This patch implements Qemu user mode clock_adjtime() syscall support. The implementation is based on invocation of host's clock_adjtime(). Signed-off-by: Aleksandar Rikalo <aleksandar.rikalo@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-10-11build: Work around SIZE_MAX bug in OSX headersEric Blake
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: Eric Blake <eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Message-id: 1476200784-17210-1-git-send-email-eblake@redhat.com Reviewed-by: John Arbuckle <programmingkidx@gmail.com> Tested-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-29oslib-posix: add a configure switch to debug stack usagePeter Lieven
this adds a knob to track the maximum stack usage of stacks created by qemu_alloc_stack. Signed-off-by: Peter Lieven <pl@kamp.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-09-28Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* thread-safe tb_flush (Fred, Alex, Sergey, me, Richard, Emilio,... :-) * license clarification for compiler.h (Felipe) * glib cflags improvement (Marc-André) * checkpatch silencing (Paolo) * SMRAM migration fix (Paolo) * Replay improvements (Pavel) * IOMMU notifier improvements (Peter) * IOAPIC now defaults to version 0x20 (Peter) # gpg: Signature made Tue 27 Sep 2016 10:57:40 BST # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (28 commits) replay: allow replay stopping and restarting replay: vmstate for replay module replay: move internal data to the structure cpus-common: lock-free fast path for cpu_exec_start/end tcg: Make tb_flush() thread safe cpus-common: Introduce async_safe_run_on_cpu() cpus-common: simplify locking for start_exclusive/end_exclusive cpus-common: remove redundant call to exclusive_idle() cpus-common: always defer async_run_on_cpu work items docs: include formal model for TCG exclusive sections cpus-common: move exclusive work infrastructure from linux-user cpus-common: fix uninitialized variable use in run_on_cpu cpus-common: move CPU work item management to common code cpus-common: move CPU list management to common code linux-user: Add qemu_cpu_is_self() and qemu_cpu_kick() linux-user: Use QemuMutex and QemuCond cpus: Rename flush_queued_work() cpus: Move common code out of {async_, }run_on_cpu() cpus: pass CPUState to run_on_cpu helpers build-sys: put glib_cflags in QEMU_CFLAGS ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-09-27qdisk - hw/block/xen_disk: grant copy implementationPaulina Szubarczyk
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: Paulina Szubarczyk <paulinaszubarczyk@gmail.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> Acked-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Roger Pau Monné <roger.pau@citrix.com>
2016-09-27build-sys: put glib_cflags in QEMU_CFLAGSMarc-André Lureau
This way, overriding CFLAGS on make command line keeps glib-cflags and doesn't break the build. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20160925205748.6280-2-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-27build-sys: remove unused GLIB_CFLAGSMarc-André Lureau
Message-Id: <20160925205748.6280-1-marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-23configure: Remove detection code for UUIDFam Zheng
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: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-9-git-send-email-famz@redhat.com>
2016-09-23vhdx: Use QEMU UUID APIFam Zheng
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: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Jeff Cody <jcody@redhat.com> Message-Id: <1474432046-325-4-git-send-email-famz@redhat.com>
2016-09-20blockdev: Modularize nfs block driverColin Lord
Modularizes the nfs block driver so that it gets dynamically loaded. Signed-off-by: Colin Lord <clord@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1471008424-16465-5-git-send-email-clord@redhat.com Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-09-15win32: don't run subprocess tests on Mingw32 platformEduardo Habkost
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 2177801a4899bf29108b3d471417a5b4d701ec29 > 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: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-09-15Remove remainders of HPPA backendThomas Huth
The HPPA backend has been removed by the following commit: 802b5081233a6b643a8b135a5facaf14bafaa77d 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: Thomas Huth <thuth@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2016-09-15Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell
* minor patches here and there * MTTCG: lock-free TB lookup * SCSI: bugfixes for MPTSAS, MegaSAS, LSI53c, vmw_pvscsi * buffer_is_zero rewrite (except for one patch) * chardev: qemu_chr_fe_write checks * checkpatch improvement for markdown preformatted text * default-configs cleanups * atomics cleanups # gpg: Signature made Tue 13 Sep 2016 18:14:30 BST # gpg: using RSA key 0xBFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (58 commits) cutils: Add generic prefetch cutils: Add SSE4 version cutils: Add test for buffer_is_zero cutils: Remove ppc buffer zero checking cutils: Remove aarch64 buffer zero checking cutils: Rearrange buffer_is_zero acceleration cutils: Export only buffer_is_zero cutils: Remove SPLAT macro cutils: Move buffer_is_zero and subroutines to a new file ppc: do not redefine CPUPPCState x86/lapic: Load LAPIC state at post_load optionrom: do not rely on compiler's bswap optimization checkpatch: Fix whitespace checks for documentation code blocks atomics: Use __atomic_*_n() variant primitives atomics: Remove redundant barrier()'s kvm-all: drop kvm_setup_guest_memory i8257: Make device "i8257" unavailable with -device Revert "megasas: remove useless check for cmd->frame" char: convert qemu_chr_fe_write to qemu_chr_fe_write_all hw: replace most use of qemu_chr_fe_write with qemu_chr_fe_write_all ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Conflicts: cpus.c tests/Makefile.include
2016-09-13cutils: Rearrange buffer_is_zero accelerationRichard Henderson
Allow selection of several acceleration functions based on the size and alignment of the buffer. Do not require ifunc support for AVX2 acceleration. Signed-off-by: Richard Henderson <rth@twiddle.net> Message-Id: <1472496380-19706-5-git-send-email-rth@twiddle.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2016-09-13configure: Always compile with -fwrapvPeter Maydell
QEMU's code relies on left shifts of signed integers always being defined behaviour with the obvious 2s-complement semantics. The only way to tell the compiler (and any associated undefined-behaviour sanitizer) that we require a C dialect with these semantics is to use the -fwrapv option. This is a bit of a heavy hammer for the job as it also gives us guaranteed semantics on integer arithmetic overflow which in theory we don't require. In an ideal world this would allow us to drop the warning flag -Wno-shift-negative-value, but we must retain this to avoid spurious warnings on clang versions predating the fix to https://llvm.org/bugs/show_bug.cgi?id=25552. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1473685808-9629-1-git-send-email-peter.maydell@linaro.org
2016-09-13configure: support replicationChanglong Xie
configure --(enable/disable)-replication to switch replication support on/off, and it is on by default. We later introduce replation support. Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com> Signed-off-by: Wang WeiWei <wangww.fnst@cn.fujitsu.com> Message-id: 1469602913-20979-8-git-send-email-xiecl.fnst@cn.fujitsu.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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