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2010-01-19raw-posix: Detect CDROM via ioctl on linuxCole Robinson1-2/+18
Current CDROM detection is hardcoded based on source file name. Make this smarter on linux by attempting a CDROM specific ioctl. This makes '-cdrom /dev/sr0' succeed with no media present. v2: Give ioctl check higher priority than filename check. v3: Actually initialize 'prio' variable. Check for ioctl success rather than absence of specific failure. v4: Explicitly mention that change is linux specific. Signed-off-by: Cole Robinson <crobinso@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19avoid unreachable statement after breakPaolo Bonzini1-1/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19remove assertionsPaolo Bonzini1-4/+0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19change while to ifPaolo Bonzini1-7/+3
The while loop will be executed exactly 0 or 1 times, depending on env->exit_request. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19add assertions about env->current_tbPaolo Bonzini1-1/+5
By virtue of the previous patch env->current_tb will always be NULL at the top of cpu_exec's outermost for loop, and at the end of the innermost while loop. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19clean up env->current_tbPaolo Bonzini1-0/+2
There are three paths from the innermost while loop of cpu_exec to the top of the outermost for loop. Two do not reset env->current_tb. Fix this. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19fix wrong indentationPaolo Bonzini1-3/+1
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19kill regs_to_env and env_to_regsPaolo Bonzini12-99/+0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19remove dead code from target-i386/exec.hPaolo Bonzini1-48/+0
These are unused since edea5f0 (no need to define global registers in cpu-exec.c, 2008-05-10). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19rtl8139: fix clang reporting unused assignment of VLAN tagging dataIgor V. Kovalenko1-0/+5
Currently we do not implement VLAN tagging for rtl8139(C+), still data is read from ring buffer headers. - augment unused assignment with TODO item - cast txdw1 to void for now Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-19eepro100: Fix multicast supportStefan Weil1-13/+39
* Handling of multicast list was missing. * Multicast all was missing. * Promiscuous mode for multicast frames was wrong. This patch is a step to synchronize my maintainer version of eepro100.c (git://repo.or.cz/qemu/ar7.git) with the version integrated in QEMU. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-01-19eepro100: Restructure code (new function tx_command)Stefan Weil1-94/+99
Handling of transmit commands is rather complex, so about 80 lines of code were moved from function action_command to the new function tx_command. The two new values "tx" and "cb_address" in the eepro100 status structure made this possible without passing too many parameters. In addition, the moved code was cleaned a little bit: old comments marked with //~ were removed, C++ style comments were replaced by C style comments, C++ like variable declarations after code were reordered. Simplified mode is still broken. Nor did I fix endianess issues. Both problems will be fixed in additional patches (which need this one). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-01-17Sparc32: Update OpenBIOS image to r666Blue Swirl2-1/+1
Fixes the boot problem introduced by r665 image in 694b9309462f07307d16f492961f01271f10c245. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-17Sparc: improve CPU register dumpBlue Swirl1-30/+55
Common: * Remove unnecessary 0x prefix * Print %y * Fix NZVC flag print order to match CPU bit order Sparc64 specific: * Print registers without line wrapping * Print %f40-%f63 * Pretty print CCR flags * Print %fsr and %fprs in full precision * More consistent formatting Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-17fix linux-user microblaze ELF_ARCH definitionMike Frysinger1-1/+1
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-17audio: include more information into audio_bug's outputmalc1-0/+9
Signed-off-by: malc <av1474@comtv.ru>
2010-01-17Revert "sdlaudio: make it suck less"malc1-30/+50
This reverts commit 4839abe78fd466a3cf06faa7c362154afd5404f1. The commit was badly broken, Gentoo has sdl as the default driver, consequently 5 gentoo users have hit the breakage and were kind enough to report, so thank you: Claes Gyllenswrd vekin Chris But above all thanks to Toralf Foerster who actually provied enough information to pinpoint the breakage to sdlaudio. http://bugs.gentoo.org/show_bug.cgi?id=294269
2010-01-16Sparc32: improve DMA controller IRQ debuggingBlue Swirl1-0/+2
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-16ESP: improve IRQ debuggingBlue Swirl1-0/+2
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-16sparc32 do not clear interrupts when maskingArtyom Tarasenko1-2/+1
Don't clear interrupts on disabling, because * Sun4M_SystemArchitecture_edited2.pdf doesn't describe that masking or un-masking IRQ shall clear pending ones. * Field tests also show that SPARCstation-20 doesn't clear them. * The patch makes Solaris 2.5.1/2.6 boot ~1500 times faster (~20 seconds instead of ~8 hours) Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-16Update Sparc OpenBIOS images to r665Blue Swirl3-3/+2
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-15sparc32 do_unassigned_access overhaul v2Artyom Tarasenko1-12/+30
According to pages 9-31 - 9-34 of "SuperSPARC & MultiCache Controller User's Manual": 1. "A lower priority fault may not overwrite the MFSR status of a higher priority fault." 2. The MFAR is overwritten according to the policy defined for the MFSR 3. The overwrite bit is asserted if the fault status register (MFSR) has been written more than once by faults of the same class 4. SuperSPARC will never place instruction fault addresses in the MFAR. Implementation of points 1-3 allows booting Solaris 2.6 and 2.5.1. v2: CODING_STYLE fixes Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-01-15tcg/x86_64: Avoid unnecessary REX.B prefixes.Richard Henderson1-16/+30
The existing P_REXB internal opcode flag unconditionally emits the REX prefix. Technically it's not needed if the register in question is %al, %bl, %cl, %dl. Eliding the prefix requires splitting the P_REXB flag into two, in order to indicate whether the byte register in question is in the REG or the R/M field. Within TCG, the byte register is in the REG field only for stores. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-15nand: Correct random data reads.Edgar E. Iglesias1-7/+13
Random reading depends on having the last row/page latched and not beeing clobbered between read and any following random reads. Also, s->iolen must be updated when loading the io/data register with randomly accessed flash data. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-14Makefile: Fix message for missing configureStefan Weil1-0/+2
When make is called without a valid configuration, it should tell the user what to do. Revision 0e8c9214ba1d4128cf92442cd343bc3733478261 was a regression which resulted in a message which was no longer user friendly (reported by Aurelien Jarno). This patch restores the old behaviour. Cc: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Andreas Färber <afaerber@opensolaris.org> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14target-m68k: fix a typo in 'P' packet processingKazu Hirata1-1/+1
Attached is a patch to fix a typo in 'P' packet processing for M68K. Without this patch, QEMU fails to honor GDB's P packets from GDB (writing to registers) for the address registers (A0 - A7). The problem is because of an obvious typo. Notice that the second "if" condition is meant to be n < 16 in: if (n < 8) { : } else if (n < 8) { Signed-off-by: Kazu Hirata <kazu@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14tcg/x86_64: Special-case all 32-bit AND operands.Richard Henderson1-18/+8
This avoids an unnecessary REX.W prefix when dealing with AND operands that fit into a 32-bit quantity. The most common change actually seen is movz[wb]q -> movz[wb]l. Similarly, avoid REXW in ext{8,16}u_i64 tcg opcodes. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14sh: sm501: Add hardware cursor featureShin-ichiro KAWASAKI2-11/+185
This patch adds hardware cursor feature to SM501 graphics chip emulation, to make the graphic console more useful for QEMU SH4 users. Signed-off-by: Shin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14alpha: fix stat64 issueVince Weaver1-1/+1
The stat64/fstat64 syscalls are broken for alpha linux-user. This is because Alpha, even though it is native 64-bits, has a stat64 syscall that is different than regular stat. This means that the "TARGET_LONG_BITS==64" check in syscall.c isn't enough. Below is a patch that fixes things for me, although it might not be the cleanest fix. This issue keeps sixtrack and fma3d spec2k benchmarks from running. Signed-off-by: Vince Weaver <vince@csl.cornell.edu> Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-01-14ppc-40x: Correct ESR for zone protection faults.Edgar E. Iglesias1-5/+18
Raise the zone protection fault in ESR for TLB faults caused by zone protection bits. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-14ppc-40x: Correct decoding of zone protection bits.Edgar E. Iglesias1-1/+1
The 40x MMU has 15 zones in the ZPR register. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-14ppc-40x: Correct check for Endian swapping TLB entries.Edgar E. Iglesias1-5/+7
Bailout on 40x TLB entries with endianess swapping only if the entry is valid. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-14ppc-40x: Get TLB attributes from TLBLO.Edgar E. Iglesias1-1/+1
The ZSEL was incorrectly beeing decoded from TLBHI. Decode it from TLBLO instead. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-01-13docs: New qdev-device-use.txtMarkus Armbruster1-0/+353
Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13Qemu's internal TFTP server breaks lock-step-iness of TFTPMilan Plzik1-0/+1
According to RFC 1350 and RFC 2347, TFTP server should answer RRQ by either OACK or DATA packet. Qemu's internal TFTP server answers RRQ with additional options by sending both OACK and DATA packet, thus breaking the "lock-step" feature of the protocol, and also confuses client. Proposed solution would be to, in case of OACK packet, wait for ACK from client and just then start sending data. Attached patch implements this. Signed-off-by: Thomas Horsten <thomas@horsten.com> Signed-off-by: Milan Plzik <milan.plzik@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13Add KVM paravirt cpuid leafGleb Natapov3-11/+89
Initialize KVM paravirt cpuid leaf and allow user to control guest visible PV features through -cpu flag. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13virtio-blk: remove dead variable in virtio_blk_handle_scsiChristoph Hellwig1-4/+1
As pointed out by clang size is only ever written to, but never actually used. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13qcow/qcow2: implement bdrv_aio_flushKevin Wolf2-0/+18
Now that we do not have to flush the backing device anymore implementing the bdrv_aio_flush method for image formats is trivial. [hch: forward ported to qemu mainline from a product tree] Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13block: flush backing_hd in the right placeChristoph Hellwig1-10/+7
The backing device is only modified from bdrv_commit. So instead of flushing it every time bdrv_flush is called for the front-end device only flush it after we're written data to it in bdrv_commit. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13json-parser: remove dead incrementAmit Shah1-2/+0
clang-analyzer points out a redundant increment. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13qcow2-refcount: remove dead assignmentAmit Shah1-1/+0
clang-analyzer points out a redundant assignment. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13hw/vga.c: remove dead assignmentAmit Shah1-1/+0
clang-analyzer points out a redundant assignment. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13x86: translate.c: remove dead assignmentAmit Shah1-2/+0
clang-analyzer points out a redundant assignment. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13virtio: net: remove dead assignmentAmit Shah1-1/+1
clang-analyzer points out value assigned to 'len' is not used. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13vl.c: Remove dead assignmentAmit Shah1-5/+1
clang-analyzer pointed out the value of 'sockets' is never reused. Signed-off-by: Amit Shah <amit.shah@redhat.com> CC: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13osdep.c: Fix accept4 fallbackKevin Wolf1-1/+1
Commit 3a03bfa5 added a fallback in case the Linux kernel running qemu is older than the kernel of the build system. Unfortunately, v1 was committed instead of v2, so the code has a bug that was revealed in the review (checking for the wrong error code). Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13qemu-img rebaseKevin Wolf2-0/+231
This adds a rebase subcommand to qemu-img which allows to change the backing file of an image. In default mode, both the current and the new backing file need to exist, and after the rebase, the COW image is guaranteed to have the same guest visible content as before. To achieve this, old and new backing file are compared and, if necessary, data is copied from the old backing file into the COW image. With -u an unsafe mode is enabled that doesn't require the backing files to exist. It merely changes the backing file reference in the COW image. This is useful for renaming or moving the backing file. The user is responsible to make sure that the new backing file has no changes compared to the old one, or corruption may occur. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13block: Add bdrv_change_backing_fileKevin Wolf4-0/+126
Introduce the functions needed to change the backing file of an image. The function is implemented for qcow2. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13block: Introduce BDRV_O_NO_BACKINGKevin Wolf3-3/+4
If an image references a backing file that doesn't exist, qemu-img info fails to open this image. Exactly in this case the info would be valuable, though: the user might want to find out which file is missing. This patch introduces a BDRV_O_NO_BACKING flag to ignore the backing file when opening the image. qemu-img info is the first user and provides info now even if the backing file is invalid. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-13move kbd/mouse handling to input.cPaolo Bonzini3-213/+241
Move 200 lines out of vl.c already into common code that only needs to be compiled once. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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