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2010-09-28audio: Fix memory size for resampling buffer in DAC casemalc
Signed-off-by: malc <av1474@comtv.ru>
2010-09-26mingw: add version information to the executablesBlue Swirl
Add QEMU version information to the executables, based on earlier work by C. W. Betts and Robert Riebisch. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-26Avoid exit in trap as it breaks with some shellsLoïc Minier
Don't call exit in the trap handler as it causes the return code to be zero with some buggy shells (dash and pdksh at least) and is useless here anyway. Signed-off-by: Loïc Minier <loic.minier@linaro.org> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-25Introduce qemu_madvise()Andreas Färber
vl.c has a Sun-specific hack to supply a prototype for madvise(), but the call site has apparently moved to arch_init.c. Haiku doesn't implement madvise() in favor of posix_madvise(). OpenBSD and Solaris 10 don't implement posix_madvise() but madvise(). MinGW implements neither. Check for madvise() and posix_madvise() in configure and supply qemu_madvise() as wrapper. Prefer madvise() over posix_madvise() due to flag availability. Convert all callers to use qemu_madvise() and QEMU_MADV_*. Note that on Solaris the warning is fixed by moving the madvise() prototype, not by qemu_madvise() itself. It helps with porting though, and it simplifies most call sites. v7 -> v8: * Some versions of MinGW have no sys/mman.h header. Reported by Blue Swirl. v6 -> v7: * Adopt madvise() rather than posix_madvise() semantics for returning errors. * Use EINVAL in place of ENOTSUP. v5 -> v6: * Replace two leftover instances of POSIX_MADV_NORMAL with QEMU_MADV_INVALID. Spotted by Blue Swirl. v4 -> v5: * Introduce QEMU_MADV_INVALID, suggested by Alexander Graf. Note that this relies on -1 not being a valid advice value. v3 -> v4: * Eliminate #ifdefs at qemu_advise() call sites. Requested by Blue Swirl. This will currently break the check in kvm-all.c by calling madvise() with a supported flag, which will not fail. Ideas/patches welcome. v2 -> v3: * Reuse the *_MADV_* defines for QEMU_MADV_*. Suggested by Alexander Graf. * Add configure check for madvise(), too. Add defines to Makefile, not QEMU_CFLAGS. Convert all callers, untested. Suggested by Blue Swirl. * Keep Solaris' madvise() prototype around. Pointed out by Alexander Graf. * Display configure check results. v1 -> v2: * Don't rely on posix_madvise() availability, add qemu_madvise(). Suggested by Blue Swirl. Signed-off-by: Andreas Färber <afaerber@opensolaris.org> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Alexander Graf <agraf@suse.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-24powerpc: Make the decr interrupt type overridableEdgar E. Iglesias
Make it possible for boards to override the kind of interrupt to be signaled when the decr timer hits. The 405's signal PIT interrupts while the 440's signal DECR. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-09-24powerpc: Improve emulation of the BookE MMUEdgar E. Iglesias
Improve the emulation of the BookE MMU to be able to boot linux on virtex5 boards. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-09-24fmopl: workaround for -Wempty-bodymalc
Signed-off-by: malc <av1474@comtv.ru>
2010-09-22Move macros GCC_ATTR and GCC_FMT_ATTR to common header fileStefan Weil
By moving the definition of GCC_ATTR and GCC_FMT_ATTR from audio_int.h to qemu-common.h these macros are now generally available for further patches which add the gcc format attribute. Newer gcc versions support format gnu_printf which is better suited for use in QEMU than format printf (QEMU always uses standard format strings (even with mingw32)). V2: Use correct operator '==' (instead of '=') Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-22Fix OpenBSD buildBlue Swirl
Add #include <sys/types.h>, needed by #include <sys/socket.h>. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-22block-verify: fix 32-bit buildAnthony Liguori
Reported-by: Peter Lemenkov <lemenkov@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-09-22Fix compilation error (missing include statement)Stefan Weil
./hw/sd.c: In function ‘sd_init’: ./hw/sd.c:443: error: implicit declaration of function ‘qemu_blockalign’ ./hw/sd.c:443: error: nested extern declaration of ‘qemu_blockalign’ ./hw/sd.c:443: error: assignment makes pointer from integer without a cast Cc: Christoph Hellwig <hch@lst.de> Cc: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-09-21Merge remote branch 'kwolf/for-anthony' into stagingAnthony Liguori
2010-09-21mips_malta: Fix format stringsStefan Weil
Fix two compiler warnings (when format attribute is applied). Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-21mips_fulong2e: Fix format stringsStefan Weil
Fix two compiler warnings (when format attribute is applied) and one error (missing %) in format strings. Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-21trace: Fix user emulator dependency on trace objectsAndreas Färber
On a clean build, after generating trace.h, make would recurse into *-*-user without a clue how to build ../trace.o (added to $(obj-y) in Makefile.target) since its generation rule is in the main Makefile. The softmmus are seemingly unaffected because the $(TOOLS), which each have a dependency on $(trace-obj-y), are built first for the build-all target. Add a dependency on $(trace-obj-y) for %-user, as done for the qemu-* tools. Let's be paranoid and do the same for %-softmmu while at it, just in case someone messes with $(TOOLS) or calls the Makefile target directly. Signed-off-by: Andreas Färber <andreas.faerber@web.de> Acked-by: Stefan Weil <weil@mail.berlios.de> Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Cc: Prerna Saxena <prerna@linux.vnet.ibm.com> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-21blkverify: Add block driver for verifying I/OStefan Hajnoczi
The blkverify block driver makes investigating image format data corruption much easier. A raw image initialized with the same contents as the test image (e.g. qcow2 file) must be provided. The raw image mirrors read/write operations and is used to verify that data read from the test image is correct. See docs/blkverify.txt for more information. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21scsi_bus: fix length and xfer_mode for RESERVE and RELEASE commandsBernhard Kohl
For the RESERVE and RELEASE commands the length must be zero and xfer_mode must be SCSI_XFER_NONE. Signed-off-by: Bernhard Kohl <bernhard.kohl@nsn.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21scsi-generic: add missing reset handlerBernhard Kohl
Ensure that pending requests of a SCSI generic device are purged on system reset. This also avoids calling a NULL function in lsi53c895a. The lsi code was recently changed to call the .qdev.reset function. Signed-off-by: Bernhard Kohl <bernhard.kohl@nsn.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Avoid bounce buffers for AIO write requestsKevin Wolf
qcow2 used to use bounce buffers for any AIO requests. This does not only imply unnecessary copying, but also unbounded allocations which should be avoided. This patch removes bounce buffers from the normal AIO write path. Encrypted images continue to use a bounce buffer, however with constant size. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Avoid bounce buffers for AIO read requestsKevin Wolf
qcow2 used to use bounce buffers for any AIO requests. This does not only imply unnecessary copying, but also unbounded allocations which should be avoided. This patch removes bounce buffers from the normal AIO read path, and constrains them to a constant size for encrypted images. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21cutils: qemu_iovec_copy and qemu_iovec_memsetKevin Wolf
This adds two functions that work on QEMUIOVectors and will be used by the next qcow2 patches. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21ide: propagate the required alignmentChristoph Hellwig
IDE is a bit ugly in this respect. For one it doesn't really keep track of a sector size - most of the protocol is in units of 512 bytes, and we assume 2048 bytes for CDROMs which is correct most of the time. Second IDE allocates an I/O buffer long before we know if we're dealing with a CDROM or not, so increase the alignment for the io_buffer unconditionally. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21scsi-disk: propagate the required alignmentChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21virtio-blk: propagate the required alignmentChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Get rid of additional sync on COWKevin Wolf
We always have a sync for the refcount update when a new cluster is allocated. If we move this past the COW, we can save an additional sync. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Move sync out of qcow2_alloc_clustersKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Move sync out of update_refcountKevin Wolf
Note that the flush is omitted intentionally in qcow2_free_clusters. If anything, we can leak clusters here if we lose the writes. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21qcow2: Move sync out of write_refcount_block_entriesKevin Wolf
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21nbd: correctly manage default portLaurent Vivier
block/nbd.c: use default port number when none is specified qemu-nbd.c: use IANA-assigned port number: 10809 Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21Improve qemu-nbd performance by 4400 %Laurent Vivier
This patch allows to reduce the boot time from an NBD server from 225 seconds to 5 seconds (time between the "boot cd:0" and the kernel init) for the following command lines: ./qemu-nbd -t ../ISO/debian-500-powerpc-netinst.iso and ./ppc-softmmu/qemu-system-ppc -cdrom nbd:localhost:1024 This patch combines the reply header and payload send operation. Signed-off-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21raw-posix: handle > 512 byte alignment correctlyChristoph Hellwig
Replace the hardcoded handling of 512 byte alignment with bs->buffer_alignment to handle larger sector size devices correctly. Note that we can not rely on it to be initialize in bdrv_open, so deal with the worst case there. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21use qemu_blockalign consistentlyChristoph Hellwig
Use qemu_blockalign for all allocations in the block layer. This allows increasing the required alignment, which is need to support O_DIRECT on devices with large block sizes. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-09-21vvfat: Use cache=unsafeKevin Wolf
The qcow file used for write support in vvfat is a temporary file, so we can use cache=unsafe there. Without this, write support is just too slow to be of any use. Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
2010-09-21vvfat: Fix double free for opening the image rwKevin Wolf
Allocation and deallocation of bs->opaque is not in the control of a block driver. Therefore it should not set bs->opaque to a data structure used by another bs, or closing the image will lead to a double free. Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
2010-09-21vvfat: Fix segfault on write to read-only diskKevin Wolf
vvfat tries to set the readonly flag in its open function, but nowadays this is overwritted with the readonly=... command line option. Check in bdrv_write if the vvfat was opened read-only and return an error in this case. Without this check, vvfat tries to access the qcow bs, which is NULL without enabled write support. Signed-off-by: Kevin Wolf <mail@kevin-wolf.de>
2010-09-20Merge remote branch 'mst/for_anthony' into stagingAnthony Liguori
2010-09-20e1000: Pad short frames to minimum size (60 bytes)Stefan Hajnoczi
The OpenIndiana (Solaris) e1000g driver drops frames that are too long or too short. It expects to receive frames of at least the Ethernet minimum size. ARP requests in particular are small and will be dropped if they are not padded appropriately, preventing a Solaris VM from becoming visible on the network. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-09-19mingw: use ASLR, no-SEH and DEP if availableBlue Swirl
If the linker supports the flags --dynamicbase, --no-seh, or --nxcompat, use them. Tested on Windows Vista: Process Explorer reports that ASLR and DEP are in use. No effect seen on Wine or Windows XP. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-19cris: Fix watchdog resetsEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-09-18cris: Fix TLB exec bit protectionEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-09-18Use gcc warning flag -Wnested-externsBlue Swirl
If the compiler supports the warning flag -Wnested-externs, use it. Avoid the only warning by moving the declaration of xml_builtin to a more proper place. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18Use gcc warning flag -Wempty-bodyBlue Swirl
If the compiler supports the warning flag -Wempty-body, use it. Adjust the code to avoid the warnings. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18Use a few more gcc warning flagsBlue Swirl
If the compiler supports the following warning flags, use them: -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wmissing-include-dirs Currently, these flags don't produce any warnings. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18Use gcc warning flag -Wtype-limitsBlue Swirl
If the compiler supports the warning flag -Wtype-limits, use it. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18pxa2xx: fix SSSR TFN logicBlue Swirl
Fix SSSR TFN logic: TX FIFO is never filled, so it is always in underrun condition if SSP is enabled. This also avoids a gcc warning with -Wtype-limits. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18MIPS: fix yield handlingBlue Swirl
The parameter for yield should be handled as a signed integer for the comparisons to have any effect. This also avoids a gcc warning with -Wtype-limits. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18PPC: Suppress gcc warnings with -Wtype-limitsBlue Swirl
The hack added by c5b76b381081680633e2e0a91216507430409fb2 was not enough to avoid warnings with gcc flag -Wtype-limits. Add a new macro to fix both problems. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18blkdebug: fix enum comparisonBlue Swirl
The signedness of enum types depend on the compiler implementation. Therefore the check for negative values may or may not be meaningful. Fix by explicitly casting to a signed integer. Since the values are also checked earlier against event_names table, this is an internal error. Change the 'if' to 'assert'. This also avoids a warning with GCC flag -Wtype-limits. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18pxa2xx: remove useless checksBlue Swirl
Remove checks which were made useless by r5849, 8da3ff180974732fc4272cb4433fef85c1822961. This also avoids a warning with GCC flag -Wtype-limits. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-09-18Use range_covers_byteBlue Swirl
Use range_covers_byte() instead of comparisons. This avoids some warnings with GCC flag -Wtype-limits. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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