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2010-05-09sparc: Fix lazy flag calculation on interrupts, refactorBlue Swirl7-140/+271
Recalculate Sparc64 CPU flags on interrupts, otherwise some earlier flags could be stored to pstate. Refactor PSR/CCR/CWP handling: concentrate the actual functions to op_helper.c. Thanks to Igor Kovalenko for reporting. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-09sparc: lazy C flag calculationBlue Swirl1-16/+8
Calculate only the carry flag for ADDX/SUBX instead of full set of flags. Thanks to Igor Kovalenko for spotting a bug with an earlier version. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-09mips-dis: Add missing static attributesStefan Weil1-2/+2
mips_abi_choices and mips_arch_choices are only used locally. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07tcg: Add missing 'static' attributeStefan Weil2-5/+2
tcg_out_reloc is only used locally (in */target.c which is included in tcg.c). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07qcow2: Remove static forward declarationKevin Wolf1-3/+2
OpenBSDs gcc is said to generate warnings for this declaration, so don't reference bdrv_qcow2 directly, but look it up using bdrv_find_format. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07Revert "Fix OpenBSD build"Kevin Wolf1-245/+245
This reverts commit 20d97356c9df6d68fbd37d6334fdb7063f24eab6. The BlockDriver definition should stay at the end of source files. Conflicts: block/qcow2.c Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07Fill in unassigned mem read/write callbacks.Richard Henderson1-2/+10
Implement the "functions may be omitted with NULL pointer" interface mentioned in the function block comment by transforming NULL entries in the read/write arrays into calls to the unassigned_mem family of functions. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07darwin-user: Add missing static attributeStefan Weil1-1/+1
Function usage is only used locally, so add "static". Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07Add missing 'static' attributeStefan Weil2-2/+2
Function usage() is only used locally. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-07sparc64: fix build with older gccsBlue Swirl1-0/+1
Fix errors missed in 2065061ede22d401aae2ce995c3af54db9d28639: CC sparc64-softmmu/helper.o cc1: warnings being treated as errors /src/qemu/target-sparc/helper.c: In function 'get_physical_address': /src/qemu/target-sparc/helper.c:426: warning: 'context' may be used uninitialized in this function /src/qemu/target-sparc/helper.c:426: note: 'context' was declared here Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-06sparc64: handle asi referencing nucleus and secondary MMU contextsIgor V. Kovalenko5-78/+241
- increase max supported MMU modes to 6 - handle nucleus context asi - handle secondary context asi - handle non-faulting loads from secondary context Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-06sparc64: implement global translation table entries v1Igor V. Kovalenko3-28/+76
- match global tte against any context - show global tte in MMU dump v0->v1: added default case to switch statement in demap_tlb - should fix gcc warning about uninitialized context variable Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-06sparc64: more ultrasparc asi extensions for disassemblerIgor V. Kovalenko1-0/+22
Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-06qemu: address todo comment in exec.cMichael S. Tsirkin1-7/+60
exec.c has a comment 'XXX: optimize' for lduw_phys/stw_phys, so let's do it, along the lines of stl_phys. The reason to address 16 bit accesses specifically is that virtio relies on these accesses to be done atomically, using memset as we do now breaks this assumption, which is reported to cause qemu with kvm to read wrong index values under stress. https://bugzilla.redhat.com/show_bug.cgi?id=525323 Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-06Fix zero-length write(2).Richard Henderson1-0/+3
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-05Better default guest_basePaul Brook1-6/+67
Avoid loading linux-user applications in address space already used/reserved by the host. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-05-05Remove PAGE_RESERVEDPaul Brook4-54/+5
The usermode PAGE_RESERVED code is not required by the current mmap implementation, and is already broken when guest_base != 0. Unfortunately the bsd emulation still uses the old mmap implementation, so we can't rip it out altogether. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-05-05Avoid libaio for usermodePaul Brook1-1/+2
Linux AIO is aonly used by system emulation, so should not be linked into the userspace emulatior. Signed-off-by: Paul Brook <paul@codesourcery.com>
2010-05-05Enable -d cpu logging by default.Richard Henderson1-19/+3
When -d cpu logging was handled by target-foo/translate.c, it was controled by DEBUG_DISAS, which is enabled by default. Use the same condition in cpu_exec. At the same time, reduce the if-deffery by assuming no flags update is required for the target. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-05target-sh4: Remove duplicate CPU log.Richard Henderson1-6/+0
Logging for -d cpu is done in generic code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-05target-ppc: Remove duplicate cpu log.Richard Henderson1-2/+0
Logging for -d cpu is done in generic code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-05target-mips: Remove duplicate CPU log.Richard Henderson1-6/+0
Logging for -d cpu is done in generic code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-05target-i386: Remove duplicate CPU log.Richard Henderson1-1/+0
The proper logging for -d cpu is done in generic code. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-05-04Fix cpu list("-cpu ?") breakage, spotted by TeLeManBlue Swirl3-6/+14
Fix breakage by 04c9a0cbc2bf496889cef6da2d61bf00ef190a4f. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-05-04vnc: make sure to send pointer type change event on SetEncodingsAnthony Liguori1-0/+2
Commit 37c34d9d5d87ea9d51760310c8863b82cb8c055a introduced a regression when using relative mouse mode with a client that understands the PointerTypeChange pseudo-encoding. Reported-by: Marcelo Tosatti <mtosatti@redhat.com> Reported-by: Gerhard Wiesinger <lists@wiesinger.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03hw: better i440 emulationBernhard M. Wiedemann3-3/+8
updated version of an old patch http://xenon.stanford.edu/~eswierk/misc/qemu-linuxbios/qemu-piix-ram-size.patch that together with http://www.mail-archive.com/linuxbios@linuxbios.org/msg02390.html (which is already in coreboot trunk) allows coreboot to autodetect the amount of RAM within qemu/kvm from a register in i440 northbridge. The message on the old patch states: Unfortunately the current version of qemu does not set these registers, but I have patched qemu so that it emulates the i440 more faithfully in this regard. Signed-off-by: Bernhard M. Wiedemann <qemudevbmw@lsmod.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03block: read-only: open cdrom as read-only when using monitor's change commandNaphtali Sprei1-1/+3
Current code of monitor command: 'change', used to open file for read-write uncoditionally. Change to open it as read-only for CDROM, and read-write for all others. Signed-off-by: Naphtali Sprei <nsprei@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03fix whitespace bogon in some versions of makeNathan Froyd1-1/+1
With three different make binaries I have available, configuring a pristine QEMU tree and attempting to make gives the cryptic: Makefile:27: *** missing separator. Stop. This patch fixes it (presumably because it makes the output of `set-vpath' be an empty string, rather than a bit of whitespace), but I don't understand why this hasn't been a problem for other folks before. Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03Changes to usb-linux to conform to coding styleDavid Ahern1-149/+224
Signed-off-by: David Ahern <daahern@cisco.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03Add KVM CFLAGS to vhost buildJan Kiszka1-1/+1
The configure test of vhost uses KVM CFLAGS, so the build must use them as well. Otherwise we specifically miss what --kerneldir provides. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03QMP: Introduce RESUME eventLuiz Capitulino4-0/+17
It's emitted when the Virtual Machine resumes execution. We currently have the STOP event but don't have the matching RESUME one, this means that clients are notified when the VM is stopped but don't get anything when it resumes. Let's fix that as it's already causing some trouble to libvirt. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Create a syntactic shortcut for the file-system pass-thruGautham R Shenoy4-0/+114
Currently the commandline to create a virtual-filesystem pass-through between the guest and the host is as follows: #qemu -fsdev fstype,id=ID,path=path/to/share \ -device virtio-9p-pci,fsdev=ID,mount_tag=tag \ This patch provides a syntactic short-cut to achieve the same as follows: #qemu -virtfs fstype,path=path/to/share,mount_tag=tag This will be internally expanded as: #qemu -fsdev fstype,id=tag,path=path/to/share, \ -device virtio-9p-pci,fsdev=tag,mount_tag=tag \ Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TFLUSH supportAnthony Liguori1-33/+2
Don't do anything special for flush. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TREMOVE support.Anthony Liguori3-2/+55
Implement P9_TREMOVE support. This gets file deletion to work. [mohan@in.ibm.com: Fix truncate to use the relative path] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TWSTAT supportAnthony Liguori3-2/+326
Implement P9_TWSTAT support. This gets file and directory creation to work. [jvrao@linux.vnet.ibm.com: strdup to qemu_strdup conversion] [aneesh.kumar@linux.vnet.ibm.com: v9fs_fix_path] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TCREATE supportAnthony Liguori3-2/+357
Implement P9_TCREATE support. [jvrao@linux.vnet.ibm.com: strdup to qemu_strdup conversion] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TWRITE supportAnthony Liguori3-2/+118
Implement P9_TWRITE support. This gets write to file to work Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TCLUNK supportAnthony Liguori1-2/+14
Implement P9_TCLUNK support. This patch gets `ls -al` to work. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TREAD supportAnthony Liguori3-2/+275
Implement P9_TREAD support. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TOPEN support.Anthony Liguori3-5/+162
Implement P9_TOPEN support. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TWALK supportAnthony Liguori1-2/+171
Implement P9_TWALK support. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TSTAT supportAnthony Liguori1-2/+53
Implement P9_TSTAT support. This get the mount to work on the guest. [kiran@linux.vnet.ibm.com: malloc to qemu_malloc conversion] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TATTACH support.Anthony Liguori1-2/+31
Implement P9_TATTACH support. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add P9_TVERSION supportAnthony Liguori1-2/+13
Implement P9_TVERSION support. [sripathik@in.ibm.com: Handle unknown 9P versions as per the standards] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add sg helper functionsAnthony Liguori1-0/+53
Add scatter-gather helper functions. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add stat and mode related helper functions.Anthony Liguori1-0/+186
Add helpers to obtain file stat and mode details. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add fid and qid management support.Anthony Liguori1-0/+123
Helper APIs for FID and QID management. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add minimal set of FileOperationsAnthony Liguori3-2/+124
Add minimal set of FileOperations and the corresponding implementations for local fstype. These will be required for the FID management patches later on. [aneesh.kumar@linux.vnet.ibm.com: rpath fix ] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: Add string manipulation support.Anthony Liguori1-0/+127
Add helpers to do string manipulation. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-05-03virtio-9p: pdu processing support.Anthony Liguori2-0/+250
Add helpers to process the PDUs. [kiran@linux.vnet.ibm.com: malloc to qemu_malloc coversion] Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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