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2013-04-15nbd: use TCP_CORK in nbd_co_send_request()Stefan Hajnoczi
Use TCP_CORK to defer packet transmission until both the header and the payload have been written. Suggested-by: Nick Thomas <nick@bytemark.co.uk> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-15nbd: unlock mutex in nbd_co_send_request() error pathStefan Hajnoczi
Cc: qemu-stable@nongnu.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-13qjson: to_json() case QTYPE_QSTRING is buggy, rewriteMarkus Armbruster
Known bugs in to_json(): * A start byte for a three-byte sequence followed by less than two continuation bytes is split into one-byte sequences. * Start bytes for sequences longer than three bytes get misinterpreted as start bytes for three-byte sequences. Continuation bytes beyond byte three become one-byte sequences. This means all characters outside the BMP are decoded incorrectly. * One-byte sequences with the MSB are put into the JSON string verbatim when char is unsigned, producing invalid UTF-8. When char is signed, they're replaced by "\\uFFFF" instead. This includes \xFE, \xFF, and stray continuation bytes. * Overlong sequences are happily accepted, unless screwed up by the bugs above. * Likewise, sequences encoding surrogate code points or noncharacters. * Unlike other control characters, ASCII DEL is not escaped. Except in overlong encodings. My rewrite fixes them as follows: * Malformed UTF-8 sequences are replaced. Except the overlong encoding \xC0\x80 of U+0000 is still accepted. Permits embedding NUL characters in C strings. This trick is known as "Modified UTF-8". * Sequences encoding code points beyond Unicode range are replaced. * Sequences encoding code points beyond the BMP produce a surrogate pair. * Sequences encoding surrogate code points are replaced. * Sequences encoding noncharacters are replaced. * ASCII DEL is now always escaped. The replacement character is U+FFFD. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-04-13check-qjson: Test noncharacters other than U+FFFE, U+FFFF in stringsMarkus Armbruster
Test cases cover the two noncharacters in the BMP. Add tests for the other 64 noncharacters. Three existing test cases involve noncharacters U+FFFF and U+10FFFF. Instead of deleting them as now duplicates, adjust them to use U+FFFC and U+10FFFFD. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-04-13check-qjson: Improve a few comments, delete bogus onesMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-04-13unicode: New mod_utf8_codepoint()Markus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2013-04-13Merge branch 'mingw' of git://qemu.weilnetz.de/qemuAurelien Jarno
* 'mingw' of git://qemu.weilnetz.de/qemu: qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32 Release SMP restriction on Windows Ensure good ordering of memory instruction in cpu_exec Check effective suspension of TCG thread
2013-04-13target-i386: add AES-NI instructionsAurelien Jarno
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13aes: make Td[0-5] and Te[0-5] tables non staticAurelien Jarno
Remove static attribute to Td[0-5] and Te[0-5] tables so that they can be used outside of aes.c. Change their type from u32 to uint32_t, to keep the u32 udef local to aes.c. Prefix them with AES_ so that they do not conflict with other symbols. Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13aes: move aes.h from include/block to include/qemuAurelien Jarno
Move aes.h from include/block to include/qemu to show it can be reused by other subsystems. Cc: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13disas/i386.c: disassemble aes-ni instructionsAurelien Jarno
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13target-i386: enable PCLMULQDQ on Westmere CPUAurelien Jarno
The PCLMULQDQ instruction has been introduced on the Westmere CPU. Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13target-i386: add pclmulqdq instructionAurelien Jarno
Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13disas/i386.c: disassemble pclmulqdq instructionAurelien Jarno
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13sh7750: Change cpu field type to SuperHCPUAndreas Färber
This brings us a step closer to QOM'ified SH7750 SoC and fixes b350ab75 (target-sh4: Move PVR/PRR/CVR into SuperHCPUClass) assuming SuperHCPU type for SUPERH_CPU_GET_CLASS(). Fix Coding Style issues while at it (indentation, braces). Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13shix: Catch CPU initialization errorsAndreas Färber
Print an error message as done for the r2d machine and exit. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-04-13Merge branch 'trivial-patches' of git://github.com/stefanha/qemuAurelien Jarno
* 'trivial-patches' of git://github.com/stefanha/qemu: cpu-exec: Allow "-d exec" in non-debug builds (drop CONFIG_DEBUG_EXEC) Typo, spelling and grammatical fixes linux-user: pass correct host flags to eventfd2 call target-moxie: Fix VMState registration
2013-04-13Merge branch 'tci' of git://qemu.weilnetz.de/qemuAurelien Jarno
* 'tci' of git://qemu.weilnetz.de/qemu: tci: Make tcg temporaries local to tcg_qemu_tb_exec tci: Delete unused tb_ret_addr tci: Avoid code before declarations tci: Use a local variable for env tci: Use 32-bit signed offsets to loads/stores
2013-04-13Merge branch 'tcg-s390' of git://github.com/rth7680/qemuAurelien Jarno
* 'tcg-s390' of git://github.com/rth7680/qemu: tcg-s390: Fix merge error in tgen_brcond tcg-s390: Use all 20 bits of the offset in tcg_out_mem tcg-s390: Use load-address for addition tcg-s390: Cleanup argument shuffling fixme in softmmu code tcg-s390: Use risbgz for andi tcg-s390: Remove constraint letters for and tcg-s390: Implement deposit opcodes tcg-s390: Implement movcond opcodes tcg-s390: Implement mulu2_i64 opcode tcg-s390: Implement add2/sub2 opcodes tcg-s390: Remove useless preprocessor conditions tcg-s390: Properly allocate a stack frame. tcg-s390: Fix movi
2013-04-12qemu-timer: move timeBeginPeriod/timeEndPeriod to os-win32Paolo Bonzini
These are needed for any of the Win32 alarm timer implementations. They are not tied to mmtimer exclusively. Jacob tested this patch with both mmtimer and Win32 timers. Cc: qemu-stable@nongnu.org Tested-by: Jacob Kroon <jacob.kroon@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de>
2013-04-12Release SMP restriction on WindowsFabien Chouteau
The previous patches make QEMU SMP safe on Windows, we can now release the restriction. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de>
2013-04-12Ensure good ordering of memory instruction in cpu_execOlivier Hainque
The IO thread, when it senses cpu_single_env == 0, expects exit_request to be checked later on. A compiler scheduling constraint is not strong enough to ensure this on modern architecture. A memory fence is needed as well. Signed-off-by: Olivier Hainque <hainque@adacore.com> Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de>
2013-04-12Check effective suspension of TCG threadOlivier Hainque
On multi-core systems, SuspendThread does not guaranty immediate thread suspension. We add busy loop to wait for effective thread suspension after call to ThreadSuspend(). Signed-off-by: Fabien Chouteau <chouteau@adacore.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Weil <sw@weilnetz.de>
2013-04-12cpu-exec: Allow "-d exec" in non-debug builds (drop CONFIG_DEBUG_EXEC)Peter Maydell
The CONFIG_DEBUG_EXEC define compiles out a single qemu_log_mask() call, which is a pretty trivial cost even for something in the main cpu_exec() loop. Having this be conditionally defined means that '-d exec' on a non-debug build will silently do nothing. Drop the define and the configure machinery that sets it, in favour of just always allowing this log option to be enabled at runtime. As a concession to the mainloopiness, we use qemu_loglevel_mask()+qemu_log() rather than qemu_log_mask() to avoid the function call overhead. Note that DEBUG_DISAS is always defined, so removing the '|| defined(CONFIG_DEBUG_EXEC)' from those conditionals makes no behavioural change for that logging. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-12Typo, spelling and grammatical fixesPeter Maydell
Minor fixes to documentation and code comments. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-12linux-user: pass correct host flags to eventfd2 callPetar Jovanovic
This change makes conversion of TARGET_O_NONBLOCK and TARGET_O_CLOEXEC flags to host flags before calling eventfd for TARGET_NR_eventfd2. Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-12target-moxie: Fix VMState registrationPeter Maydell
Register the CPU VMState in the correct way, via cpu_class_set_vmsd(), rather than doing it in two different wrong ways (once by providing cpu_save and cpu_load functions, and once by setting the vmsd field in DeviceClass). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-04-11tci: Make tcg temporaries local to tcg_qemu_tb_execRichard Henderson
We're moving away from the temporaries stored in env. Make sure we can differentiate between temp stores and possibly bogus stores for extra call arguments. Move TCG_AREG0 and TCG_REG_CALL_STACK out of the way of the parameter passing registers. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off by: Stefan Weil <sw@weilnetz.de>
2013-04-11tci: Delete unused tb_ret_addrRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off by: Stefan Weil <sw@weilnetz.de>
2013-04-11tci: Avoid code before declarationsRichard Henderson
This only valid with c99 extensions enabled, and easy to avoid. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off by: Stefan Weil <sw@weilnetz.de>
2013-04-11tci: Use a local variable for envRichard Henderson
Since we have total conversion away from global AREG0, we do not need a global variable named "env". Retain that name as the function parameter inside the interpreter. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off by: Stefan Weil <sw@weilnetz.de>
2013-04-11tci: Use 32-bit signed offsets to loads/storesRichard Henderson
Since the change to tcg_exit_req, the first insn of every TB is a load with a negative offset from env. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off by: Stefan Weil <sw@weilnetz.de>
2013-04-09virtio-9p: Fix virtio-9p no longer building after hw-dirs branch mergeHans de Goede
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Message-id: 1365495755-10902-1-git-send-email-hdegoede@redhat.com Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-08Merge remote-tracking branch 'bonzini/hw-dirs' into stagingAnthony Liguori
# By Paolo Bonzini # Via Paolo Bonzini * bonzini/hw-dirs: (35 commits) hw: move private headers to hw/ subdirectories. MAINTAINERS: update for source code movement hw: move last file to hw/arm/ hw: move hw/kvm/ to hw/i386/kvm hw: move ARM CPU cores to hw/cpu/, configure with default-configs/ hw: move other devices to hw/misc/, configure with default-configs/ hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/ hw: move GPIO interfaces to hw/gpio/, configure with default-configs/ hw: move interrupt controllers to hw/intc/, configure with default-configs/ hw: move DMA controllers to hw/dma/, configure with default-configs/ hw: move VFIO and ivshmem to hw/misc/ hw: move PCI bridges to hw/pci-* or hw/ARCH hw: move SD/MMC devices to hw/sd/, configure with default-configs/ hw: move timer devices to hw/timer/, configure with default-configs/ hw: move ISA bridges and devices to hw/isa/, configure with default-configs/ hw: move char devices to hw/char/, configure via default-configs/ hw: move more files to hw/xen/ hw: move SCSI controllers to hw/scsi/, configure via default-configs/ hw: move SSI controllers to hw/ssi/, configure via default-configs/ hw: move I2C controllers to hw/i2c/, configure via default-configs/ ... Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-08Merge remote-tracking branch 'stefanha/net' into stagingAnthony Liguori
# By Dmitry Fleytman # Via Stefan Hajnoczi * stefanha/net: vmxnet3: const_cpu_to_le64 wrapping for feature bits dropped vmxnet3: iPXE compatibility fixes Message-id: 1365435829-23535-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-04-08hw: move private headers to hw/ subdirectories.Paolo Bonzini
Many headers are used only in a single directory. These can be kept in hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08MAINTAINERS: update for source code movementPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move last file to hw/arm/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move hw/kvm/ to hw/i386/kvmPaolo Bonzini
Peter requested the KVM GIC to be in hw/intc. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move ARM CPU cores to hw/cpu/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move other devices to hw/misc/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move GPIO interfaces to hw/gpio/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move interrupt controllers to hw/intc/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move DMA controllers to hw/dma/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move VFIO and ivshmem to hw/misc/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move PCI bridges to hw/pci-* or hw/ARCHPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move SD/MMC devices to hw/sd/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move timer devices to hw/timer/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-04-08hw: move ISA bridges and devices to hw/isa/, configure with default-configs/Paolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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