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2012-10-31target-mips: Add ASE DSP compare-pick instructionsJia Liu
Add MIPS ASE DSP Compare-Pick instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP bit/manipulation instructionsJia Liu
Add MIPS ASE DSP Bit/Manipulation instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP multiply instructionsJia Liu
Add MIPS ASE DSP Multiply instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP GPR-based shift instructionsJia Liu
Add MIPS ASE DSP GPR-Based Shift instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP arithmetic instructionsJia Liu
Add MIPS ASE DSP Arithmetic instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP load instructionsJia Liu
Add MIPS ASE DSP Load instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP branch instructionsJia Liu
Add MIPS ASE DSP Branch instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31Use correct acc value to index cpu_HI/cpu_LO rather than using a fix numberJia Liu
Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP resources access checkJia Liu
Add MIPS ASE DSP resources access check. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31target-mips: Add ASE DSP internal functionsJia Liu
Add internal functions using by MIPS ASE DSP instructions. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-30tap-win32: stubs to fix win32 buildMichael S. Tsirkin
Add missing stubs to win32 to fix link failure. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-30tests/tcg: fix unused result warningsCatalin Patulea
With i386-linux-user target on x86_64 host, this does not introduce any new test failures. Signed-off-by: Catalin Patulea <catalinp@google.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-30configure: use -Wwombat to test whether gcc recognizes -Wno-wombatPeter Maydell
gcc will silently accept unrecognized -Wno-wombat warning suppression options (it only mentions them if it has to print a compiler warning for some other reason). Since we already run a check for whether gcc recognizes the warning options we use, we can easily make this use the positive sense of the option when checking for support for the suppression option. This doesn't have any effect except that it avoids gcc emitting extra messages about unrecognized command line options when it is printing other warning messages. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Igor Mitsyanko <i.mitsyanko@samsung.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-30target-sparc: Revert setting cpu_dst to gen_dest_gprRichard Henderson
There is some read-after-write error within the OP=2 insns which prevents setting cpu_dst to the real output register. Until this is found and fixed, always write to a temporary first. Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net> Tested-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-10-30Merge branch 'qspi.2' of git://developer.petalogix.com/public/qemuBlue Swirl
* 'qspi.2' of git://developer.petalogix.com/public/qemu: xilinx_zynq: added QSPI controller xilinx_spips: Generalised to model QSPI m25p80: Support for Quad SPI
2012-10-30Merge branch 's390-for-upstream' of git://repo.or.cz/qemu/agrafAurelien Jarno
* 's390-for-upstream' of git://repo.or.cz/qemu/agraf: s390: sclp ascii console support s390: sclp signal quiesce support s390: sclp event support s390: sclp base support s390: use sync regs for register transfer s390/kvm_stat: correct sys_perf_event_open syscall number s390x: fix -initrd in virtio machine
2012-10-30tcg/mips: use MUL instead of MULT on MIPS32 and aboveAurelien Jarno
MIPS32 and later instruction sets have a multiplication instruction directly operating on GPRs. It only produces a 32-bit result but it is exactly what is needed by QEMU. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-29memory: fix rendering of a region obscured by anotherAvi Kivity
The memory core drops regions that are hidden by another region (for example, during BAR sizing), but it doesn't do so correctly if the lower address of the existing range is below the lower address of the new range. Example (qemu-system-mips -M malta -kernel vmlinux-2.6.32-5-4kc-malta -append "console=ttyS0" -nographic -vga cirrus): Existing range: 10000000-107fffff New range: 100a0000-100bffff Correct behaviour: drop new range Incorrect behaviour: add new range Fix by taking this case into account (previously we only considered equal lower boundaries). Tested-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-29Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori
virtio,pci infrastructure This includes infrastructure patches that don't do much by themselves but should help vfio and q35 make progress. Also included is rework of virtio-net to use iovec APIs for vector access - helpful to make it more secure and in preparation for a new feature that will allow arbitrary s/g layout for guests. Also included is a pci bridge bugfix by Avi. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> * mst/tags/for_anthony: (25 commits) pci: avoid destroying bridge address space windows in a transaction virtio-net: enable mrg buf header in tap on linux virtio-net: test peer header support at init time virtio-net: minor code simplification virtio-net: simplify rx code virtio-net: switch tx to safe iov functions virtio-net: first s/g is always at start of buf virtio-net: refactor receive_hdr virtio-net: use safe iov operations for rx virtio-net: avoid sg copy iov: add iov_cpy virtio-net: track host/guest header length pcie: Convert PCIExpressHost to use the QOM. pcie: pass pcie window size to pcie_host_mmcfg_update() pci: Add class 0xc05 as 'SMBus' pci: introduce pci_swizzle_map_irq_fn() for standardized interrupt pin swizzle pci_ids: add intel 82801BA pci-to-pci bridge id pci: pci capability must be in PCI space pci: make each capability DWORD aligned qemu: enable PV EOI for qemu 1.3 ... Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-29s390: sclp ascii console supportHeinz Graalfs
This code adds console support by implementing SCLP's ASCII Console Data event. This is the same console as LPARs ASCII console or z/VMs sysascii. The console can be specified manually with something like -chardev stdio,id=charconsole0 -device sclpconsole,chardev=charconsole0,id=console0 Newer kernels will autodetect that console and prefer that over virtio console. When data is received from the character layer it creates a service interrupt to trigger a Read Event Data command from the guest that will pick up the received character byte-stream. When characters are echo'ed by the linux guest a Write Event Data occurs which is forwarded by the Event Facility to the console that supports a corresponding mask value. Console resizing is not supported. The character layer byte-stream is buffered using a fixed size iov buffer. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390: sclp signal quiesce supportHeinz Graalfs
This implements the sclp signal quiesce event via the SCLP Event Facility. This allows to gracefully shutdown a guest by using system_powerdown notifiers. It creates a service interrupt that will trigger a Read Event Data command from the guest. This code will then add an event that is interpreted by linux guests as ctrl-alt-del. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390: sclp event supportHeinz Graalfs
Several SCLP features are considered to be events. Those events don't provide SCLP commands on their own, instead they are all based on Read Event Data, Write Event Data, Write Event Mask and the service interrupt. Follow-on patches will provide SCLP's Signal Quiesce (via system_powerdown) and the ASCII console. Further down the road the sclp line mode console and configuration change events (e.g. cpu hotplug) can be implemented. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390: sclp base supportHeinz Graalfs
This adds a more generic infrastructure for handling Service-Call requests on s390. Currently we only support a small subset of Read SCP Info directly in target-s390x. This patch provides the base infrastructure for supporting more commands and moves Read SCP Info. In the future we could add additional commands for hotplug, call home and event handling. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390: use sync regs for register transferChristian Borntraeger
Newer kernels provide the guest registers in kvm_run. Lets use those if available (i.e. the capability is set). This avoids ioctls on cpu_synchronize_state making intercepts faster. In addition, we have now the prefix register, the access registers the control registers up to date. This helps in certain cases, e.g. for resolving kernel module addresses with gdb on a guest. On return, we update the registers according to the level statement, i.e. we put all registers for KVM_PUT_FULL_STATE and _RESET_STATE. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390/kvm_stat: correct sys_perf_event_open syscall numberHeinz Graalfs
Correct sys_perf_event_open syscall number for s390 architecture - the hardcoded syscall number 298 is for x86 but should be different for other architectures. In case we figure out via /proc/cpuinfo that we are running on s390 the appropriate syscall number is used from map syscall_numbers; other architectures can extend this. Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
2012-10-29s390x: fix -initrd in virtio machineAlexander Graf
When using -initrd in the virtio machine, we need to indicate the initrd start and size inside the kernel image. These parameters need to be stored in native endianness. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Richard Henderson <rth@twiddle.net> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
2012-10-29pci: avoid destroying bridge address space windows in a transactionAvi Kivity
Calling memory_region_destroy() in a transaction is illegal (and aborts), as until the transaction is committed, the region remains live. Fix by moving destruction until after the transaction commits. This requires having an extra set of regions, so the new and old regions can coexist. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: enable mrg buf header in tap on linuxMichael S. Tsirkin
Modern linux supports arbitrary header size, which makes it possible to pass mrg buf header to tap directly without iovec mangling. Use this capability when it is there. This removes the need to deal with it in vhost-net as we do now. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: test peer header support at init timeMichael S. Tsirkin
There's no reason to query header support at random times: at load or feature query. Driver also might not query functions. Cleaner to do it at device init. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: minor code simplificationMichael S. Tsirkin
During packet filtering, we can now use host hdr len to offset incoming buffer unconditionally. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: simplify rx codeMichael S. Tsirkin
Remove code duplication using guest header length that we track. Drop specific layout requirement for rx buffers: things work using generic iovec functions in any case. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: switch tx to safe iov functionsMichael S. Tsirkin
Avoid mangling iovec manually: use safe iov_* functions. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: first s/g is always at start of bufMichael S. Tsirkin
We know offset is 0, assert that. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: refactor receive_hdrMichael S. Tsirkin
Now that we know host hdr length, we don't need to duplicate the logic in receive_hdr: caller can figure out the offset itself. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: use safe iov operations for rxMichael S. Tsirkin
Avoid magling iov manually: use safe iov operations for processing packets incoming to guest. This also removes the requirement for virtio header to fit the first s/g entry exactly. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: avoid sg copyMichael S. Tsirkin
Avoid tweaking iovec during receive. This removes the need to copy the vector. Note: we currently have an evil cast in work_around_broken_dhclient and unfortunately this patch does not fix it - just pushes the evil cast to another place. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29iov: add iov_cpyMichael S. Tsirkin
Add API to copy part of iovec safely. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29virtio-net: track host/guest header lengthMichael S. Tsirkin
Tracking these in device state instead of re-calculating on each packet. No functional changes. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: avoid destroying bridge address space windows in a transactionAvi Kivity
Calling memory_region_destroy() in a transaction is illegal (and aborts), as until the transaction is committed, the region remains live. Fix by moving destruction until after the transaction commits. This requires having an extra set of regions, so the new and old regions can coexist. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-29pcie: Convert PCIExpressHost to use the QOM.Jason Baron
Let's use PCIExpressHost with QOM. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pcie: pass pcie window size to pcie_host_mmcfg_update()Jason Baron
This allows q35 to pass/set the size of the pcie window in its update routine. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: Add class 0xc05 as 'SMBus'Jan Kiszka
[jbaron@redhat.com: add PCI_CLASS_SERIAL_SMBUS definition] Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: introduce pci_swizzle_map_irq_fn() for standardized interrupt pin swizzleIsaku Yamahata
Introduce pci_swizzle_map_irq_fn() for interrupt pin swizzle which is standardized. PCI bridge swizzle is common logic, by introducing this function duplicated swizzle logic will be avoided later. [jbaron@redhat.com: drop opaque argument] Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci_ids: add intel 82801BA pci-to-pci bridge idIsaku Yamahata
Adds pci id constants which will be used by q35. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: pci capability must be in PCI spaceIsaku Yamahata
pci capability must be in PCI space. It can't lay in PCIe extended config space. Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: make each capability DWORD alignedMichael S. Tsirkin
PCI spec (see e.g. 6.7 Capabilities List in spec rev 3.0) requires that each capability is DWORD aligned. Ensure this when allocating space by rounding size up to 4. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29qemu: enable PV EOI for qemu 1.3Michael S. Tsirkin
Enable KVM PV EOI by default. You can still disable it with -kvm_pv_eoi cpu flag. To avoid breaking cross-version migration, enable only for qemu 1.3 (or in the future, newer) machine type. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29pci: Return PCI_INTX_DISABLED when no bus INTx routing supportAlex Williamson
Rather than assert, simply return PCI_INTX_DISABLED when we don't have a pci_route_irq_fn. PIIX already returns DISABLED for an invalid pin, so users already deal with this state. Users of this interface should only be acting on an ENABLED or INVERTED return value (though we really have no support for INVERTED). Also complain loudly when we hit this so we don't forget it's missing. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
2012-10-29pci-assign: Use msi_get_message()Alex Williamson
pci-assign only uses a subset of the flexibility msi_get_message() provides, but it's still worthwhile to use it. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-10-29msi: Add msi_get_message()Alex Williamson
vfio-pci and pci-assign both do this on their own for setting up direct MSI injection through KVM. Provide a helper function for this in MSI code. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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