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2010-01-26qdev: Add help for property valueStefan Weil
When called with property value "?", a help text will be printed (instead of an error message). This is useful for command lines like qemu -device e1000,mac=? and is already standard for other command line options. A better help text could be provided by extending the Property structure with a desc field. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qdev: Add help for device propertiesStefan Weil
When called with property "?", a list of supported properties will be printed (instead of an error message). This is useful for command lines like qemu -device e1000,? and was already standard for other options like model=? Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26mmap_frag() users only check for -1 errorJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26Check availavility of -fstack-protector-allJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26Enable _FORTIFY_SOURCE=2Kirill A. Shutemov
_FORTIFY_SOURCE is a Glibc feature which adds memory and string function protection. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26check pipe() return valueJuan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26linux-user/mmap.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC i386-linux-user/mmap.o cc1: warnings being treated as errors /usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c: In function 'mmap_frag': /usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c:253: error: ignoring return value of 'pread', declared with attribute warn_unused_result /usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c: In function 'target_mmap': /usr/src/RPM/BUILD/qemu-0.11.92/linux-user/mmap.c:477: error: ignoring return value of 'pread', declared with attribute warn_unused_result make[1]: *** [mmap.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC i386-softmmu/monitor.o cc1: warnings being treated as errors /usr/src/RPM/BUILD/qemu-0.11.92/monitor.c: In function 'do_memory_save': /usr/src/RPM/BUILD/qemu-0.11.92/monitor.c:1318: error: ignoring return value of 'fwrite', declared with attribute warn_unused_result /usr/src/RPM/BUILD/qemu-0.11.92/monitor.c: In function 'do_physical_memory_save': /usr/src/RPM/BUILD/qemu-0.11.92/monitor.c:1345: error: ignoring return value of 'fwrite', declared with attribute warn_unused_result make[1]: *** [monitor.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26vl.c: fix warning with _FORTIFY_SOURCEKirill A. Shutemov
CC i386-softmmu/vl.o cc1: warnings being treated as errors /usr/src/RPM/BUILD/qemu-0.11.92/vl.c: In function 'qemu_event_increment': /usr/src/RPM/BUILD/qemu-0.11.92/vl.c:3404: error: ignoring return value of 'write', declared with attribute warn_unused_result /usr/src/RPM/BUILD/qemu-0.11.92/vl.c: In function 'main': /usr/src/RPM/BUILD/qemu-0.11.92/vl.c:5774: error: ignoring return value of 'write', declared with attribute warn_unused_result /usr/src/RPM/BUILD/qemu-0.11.92/vl.c:6064: error: ignoring return value of 'chdir', declared with attribute warn_unused_result /usr/src/RPM/BUILD/qemu-0.11.92/vl.c:6083: error: ignoring return value of 'chdir', declared with attribute warn_unused_result make[1]: *** [vl.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26usb-linux.c: fix warning with _FORTIFY_SOURCEKirill A. Shutemov
CC usb-linux.o cc1: warnings being treated as errors usb-linux.c: In function 'usb_host_read_file': usb-linux.c:1204: error: ignoring return value of 'fgets', declared with attribute warn_unused_result make: *** [usb-linux.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26net/slirp.c: fix warning with _FORTIFY_SOURCEKirill A. Shutemov
CC net/slirp.o cc1: warnings being treated as errors net/slirp.c: In function 'slirp_smb_cleanup': net/slirp.c:470: error: ignoring return value of 'system', declared with attribute warn_unused_result make: *** [net/slirp.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block/qcow2.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC block/qcow2.o cc1: warnings being treated as errors block/qcow2.c: In function 'qcow_create2': block/qcow2.c:829: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:838: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:839: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:841: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:844: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:849: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:852: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow2.c:855: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [block/qcow2.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block/vvfat.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC block/vvfat.o cc1: warnings being treated as errors block/vvfat.c: In function 'commit_one_file': block/vvfat.c:2259: error: ignoring return value of 'ftruncate', declared with attribute warn_unused_result make: *** [block/vvfat.o] Error 1 CC block/vvfat.o In file included from /usr/include/stdio.h:912, from ./qemu-common.h:19, from block/vvfat.c:27: In function 'snprintf', inlined from 'init_directories' at block/vvfat.c:871, inlined from 'vvfat_open' at block/vvfat.c:1068: /usr/include/bits/stdio2.h:65: error: call to __builtin___snprintf_chk will always overflow destination buffer make: *** [block/vvfat.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block/vmdk.o: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC block/vmdk.o cc1: warnings being treated as errors block/vmdk.c: In function 'vmdk_snapshot_create': block/vmdk.c:236: error: ignoring return value of 'ftruncate', declared with attribute warn_unused_result block/vmdk.c: In function 'vmdk_create': block/vmdk.c:775: error: ignoring return value of 'write', declared with attribute warn_unused_result block/vmdk.c:776: error: ignoring return value of 'write', declared with attribute warn_unused_result block/vmdk.c:778: error: ignoring return value of 'ftruncate', declared with attribute warn_unused_result block/vmdk.c:784: error: ignoring return value of 'write', declared with attribute warn_unused_result block/vmdk.c:790: error: ignoring return value of 'write', declared with attribute warn_unused_result block/vmdk.c:807: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [block/vmdk.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block/qcow.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC block/qcow.o cc1: warnings being treated as errors block/qcow.c: In function 'qcow_create': block/qcow.c:804: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow.c:806: error: ignoring return value of 'write', declared with attribute warn_unused_result block/qcow.c:811: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [block/qcow.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block/cow.c: fix warnings with _FORTIFY_SOURCEKirill A. Shutemov
CC block/cow.o cc1: warnings being treated as errors block/cow.c: In function 'cow_create': block/cow.c:251: error: ignoring return value of 'write', declared with attribute warn_unused_result block/cow.c:253: error: ignoring return value of 'ftruncate', declared with attribute warn_unused_result make: *** [block/cow.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26posix-aio-compat.c: fix warning with _FORTIFY_SOURCEKirill A. Shutemov
CC posix-aio-compat.o cc1: warnings being treated as errors posix-aio-compat.c: In function 'aio_signal_handler': posix-aio-compat.c:505: error: ignoring return value of 'write', declared with attribute warn_unused_result make: *** [posix-aio-compat.o] Error 1 Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26force to test result for qemu_write_full()Juan Quintela
Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26Introduce qemu_write_full()Kirill A. Shutemov
A variant of write(2) which handles partial write. Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Don't ignore qcow2_alloc_clusters return valueKevin Wolf
Now that qcow2_alloc_clusters can return error codes, we must handle them in the callers of qcow2_alloc_clusters. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Don't ignore update_refcount return valueKevin Wolf
update_refcount can return errors that need to be handled by the callers. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Allow updating no refcountsKevin Wolf
There's absolutely no problem with updating the refcounts of 0 clusters. At least snapshot code is doing this and would fail once the result of update_refcount isn't ignored any more. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Improve error handling in update_refcountKevin Wolf
If update_refcount fails, try to undo any changes made so far to avoid inconsistencies in the image file. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Fix error handling in grow_refcount_tableKevin Wolf
Return the appropriate error code instead of -EIO. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26block: Return original error codes in bdrv_pread/writeKevin Wolf
Don't assume -EIO but return the real error. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Return 0/-errno in qcow2_alloc_cluster_offsetKevin Wolf
Returning 0/-errno allows it to distingush different errors classes. The cluster offset of newly allocated clusters is now returned in the QCowL2Meta struct. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Return 0/-errno in get_cluster_tableKevin Wolf
Switching to 0/-errno allows it to distinguish different error cases. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Fix error handling in qcow_save_vmstateKevin Wolf
Don't assume success but pass the bdrv_pwrite return value on. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26qcow2: Fix error handling in qcow2_grow_l1_tableKevin Wolf
Return the appropriate error value instead of always using EIO. Don't free the L1 table on errors, we still need it. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor: convert do_cpu_set() to QObject, QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26QError: New QERR_INVALID_CPU_INDEXMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor: convert do_physical_memory_save() to QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor: convert do_memory_save() to QErrorMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26QError: New QERR_OPEN_FILE_FAILEDMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26monitor: Don't check for mon_get_cpu() failureMarkus Armbruster
mon_get_cpu() can't return null pointer, because it passes its return value to cpu_synchronize_state() first, which crashes if its argument is null. Remove the (pretty cheesy) handling of this non-existing error. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26json: escape u0000 .. u001F when outputting jsonAnthony Liguori
Markus Armbruster pointed out: JSON requires control characters in strings to be escaped. RFC 4627 section 2.5: A string begins and ends with quotation marks. All Unicode characters may be placed within the quotation marks except for the characters that must be escaped: quotation mark, reverse solidus, and the control characters (U+0000 through U+001F). We've been quoting the special escape sequences that JSON defines but we haven't been encoding the full control character range. This patch fixes that. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-24Sparc64: fix initrdBlue Swirl
Fix HdrS offsets for Sparc64. The initrd address must be offset by KERNBASE. Use rom_ptr mechanism to actually write to the kernel image. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-24pflash: Dont open memarea for full IO if already done.Edgar E. Iglesias
When wcycle is non zero the area is already opened for readable IO. Avoiding the re-registration of the memarea significantly speeds up the flash emulation. In particular for flashes connected through 8 or 16-bit buses. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2010-01-24pflash: Reduce writebuf len for 8-bit flashes.Edgar E. Iglesias
Flashes connected through an 8 bit bus cannot handle write buffers larger than 256 bytes. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2010-01-24pflash: Remove dead code, no functional changes.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2010-01-24microblaze: The petalogix s3adsp board uses intel flashesEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@petalogix.com>
2010-01-24Load global config files by defaultAnthony Liguori
A new option, -nodefconfig is introduced to prevent loading from the default config location. Otherwise, two configuration files will be searched for, qemu.conf and target-<TARGET_NAME>.conf. To ensure that the default configuration is overridden by a user specified config, we introduce a two stage option parsing mechanism. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-24Move out option lookup into a separate functionAnthony Liguori
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-24Support --sysconfdir in configure to specify path to configuration filesAnthony Liguori
The default value is ${prefix}/etc/qemu. --sysconfdir can be used to override the default to an absolute path. The expectation is that when installed to /usr, --sysconfdir=/etc/qemu will be used. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-24Sparc32: fix free-run timerBlue Swirl
According to Sun4M System Architecture Manual chapter 5.3.2, a limit of 0 will not generate interrupts. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-24Musicpal: Fix descriptor walk in eth_sendJan Kiszka
Commit 930c86820e introduced a regression to eth_send: eth_tx_desc_put manipulates the host's tx descriptor copy before writing it back, but two lines down the descriptor is evaluated again, leaving us with an invalid next address if host and guest endianness differ. So this was the actual issue commit 2e87c5b937 tried to paper over. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: malc <av1474@comtv.ru>
2010-01-23Musicpal: Fix wm8750 I2C addressJan Kiszka
Commit b3a219883e uncovered that we attached the Wolfson with an I2C address shifted left by one. Fixing this makes sound work again for the Musicpal. Signed-off-by: Jan Kiszka <jan.kiszka@web.de> Signed-off-by: malc <av1474@comtv.ru>
2010-01-23sparc32 fix np dereference in do_unassigned_accessArtyom Tarasenko
fix a potential null pointer dereference introduced in commit 576c2cdc767ab9e2dc038fa4c99f22e53287a3de Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-22Sparc64: fix PCI probe problemsBlue Swirl
Byte swap PCI config values. Remove old bogus PCI config mechanism so that device 0:0.0 can be probed. This requires OpenBIOS r667. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-20Revert "block: prevent multiwrite_merge from creating too large iovecs"Anthony Liguori
This reverts commit 0076bc0c1d93adcbc7f1af184e04902cf37e9ab8. Kevin Wolf pointed out that this breaks the mingw32 build. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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