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This fixes a warning from the static code analysis (smatch).
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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* remotes/bonzini/scsi-next:
spapr_vscsi: remove duplicate condition check
scsi: check req pointer before dereferencing it
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Prasad Joshi <prasadjoshi.linux@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Prasad Joshi <prasadjoshi.linux@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Stefan Fritsch just fixed a virtio-net driver bug [1], virtio-net won't
filter out VLAN-tagged packets if VIRTIO_NET_F_CTRL_VLAN isn't negotiated.
This patch added a new field to @RxFilterInfo to indicate vlan receive
state ('normal', 'none', 'all'). If VIRTIO_NET_F_CTRL_VLAN isn't
negotiated, vlan receive state will be 'all', then all VLAN-tagged packets
will be received by guest.
This patch also fixed a boundary issue in visiting vlan table.
[1] http://lists.nongnu.org/archive/html/qemu-devel/2014-02/msg02604.html
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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If VIRTIO_NET_F_CTRL_VLAN is not negotiated, do not filter out all
VLAN-tagged packets but send them to the guest.
This fixes VLANs with OpenBSD guests (and probably NetBSD, too, because
the OpenBSD driver started as a port from NetBSD).
Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Signed-off-by: Amos Kong <akong@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The ACPI specification says:
The ASL compiler can emit two different AML opcodes for a Package
declaration, either PackageOp or VarPackageOp. For small, fixed-length
packages, the PackageOp is used and this opcode is compatible with ACPI
1.0. A VarPackageOp will be emitted if any of the following conditions
are true:
. The NumElements argument is a TermArg that can only be resolved at
runtime.
. At compile time, NumElements resolves to a constant that is larger than
255.
. The PackageList contains more than 255 initializer elements.
Note: The ability to create variable-sized packages was first introduced
in ACPI 2.0. ACPI 1.0 only allowed fixed-size packages with up to 255 elements.
So the spec seems to say a fixed value up to 255 must always
be used with PackageOp and not VarPackageOp, and some guests
(windows up to win2k8) seem to interpret it like this.
Let's do just this, choosing the encoding depending on
the number of elements.
Fixes 9bcc80cd71892df42605e0c097d85c0237ff45d1
(i386/acpi-build: allow more than 255 elements in CPON).
https://bugs.launchpad.net/bugs/1297651
Reported-by: Robert Hu <robert.hu@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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* Remove terminating newlines from hw_error() and error_report() calls
* Fix cut-n-paste error in text (s/to/from/)
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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commit e638073c569e801ce9de added a flag to track whether
a previous rom read had failed. Accidentally, the code
ended up adding vfio_load_option_rom twice. (Thanks to Alex
for spotting it)
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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'remotes/pmaydell/tags/pull-target-arm-20140324' into staging
target-arm queue for 2.0:
* Fix wrong-results bug in A64 Neon MLS instruction
* Fix loading of ELF images for 32 bit boards in qemu-system-aarch64
# gpg: Signature made Mon 24 Mar 2014 17:14:07 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20140324:
target-arm: Load ELF images with the correct machine type for CPU
target-arm: Fix A64 Neon MLS
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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acpi,pc,test bug fixes
More small fixes all over the place.
Notably fixes for big-endian hosts by Marcel.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 24 Mar 2014 10:41:07 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream:
tests/acpi-test: do not fail if iasl is broken
vl.c: Use MAX_CPUMASK_BITS macro instead of hardcoded constant
sysemu.h: Document what MAX_CPUMASK_BITS really limits
acpi: fix endian-ness for table ids
acpi-test: signature endian-ness fixes
i386/acpi-build: support hotplug of VCPU with APIC ID 0xFF
acpi-test: rebuild SSDT
i386/acpi-build: allow more than 255 elements in CPON
pc: Refuse max_cpus if it results in too large APIC ID
acpi: Don't use MAX_CPUMASK_BITS for APIC ID bitmap
acpi: Assert sts array limit on AcpiCpuHotplug_add()
pc: Refuse CPU hotplug if the resulting APIC ID is too large
acpi: Add ACPI_CPU_HOTPLUG_ID_LIMIT macro
acpi-test: update expected SSDT files
acpi-build: fix misaligned access
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When trying to load an ELF file specified via -kernel, we need to
pass load_elf() the ELF machine type corresponding to the CPU we're
booting with, not the one corresponding to the softmmu binary
we happen to be running. (The two are different in the case of
loading a 32-bit ARM ELF file into a 32 bit CPU being emulated
by qemu-system aarch64.) This was causing us to incorrectly fail
to load ELF images in this situation.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Message-id: 1395427476-25546-1-git-send-email-peter.maydell@linaro.org
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PowerPC queue for 2.0
* sPAPR loop fix
* SPR reset fix
* Reduce allocation size of indirect opcode tables
* Restrict number of CPU threads
* sPAPR H_SET_MODE fixes
* sPAPR firmware path fixes
* Static and constness cleanups
# gpg: Signature made Thu 20 Mar 2014 01:46:14 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg: aka "Andreas Färber <afaerber@suse.com>"
* remotes/afaerber/tags/ppc-for-2.0:
spapr: Implement interface to fix device pathname
spapr: QOM'ify pseries machine
spapr_vio: Fix firmware names
spapr_llan: Add to boot device list
qdev: Introduce FWPathProvider interface
vl.c: Extend get_boot_devices_list() to ignore suffixes
spapr_hcall: Fix little-endian resource handling in H_SET_MODE
target-ppc: Introduce powerisa-207-server flag
target-ppc: Force CPU threads count to be a power of 2
target-ppc: Fix overallocation of opcode tables
target-ppc: Reset SPRs on CPU reset
spapr_hcall: Fix h_enter to loop correctly
target-ppc: Add missing 'static' and 'const' attributes
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This extends the pseries machine type with the interface to fix firmware
pathnames for devices which have @bootindex property.
This fixes SCSI disks' device node names (which are wildcard nodes in
the device-tree), for spapr-vscsi, virtio-scsi and usb-storage.
This fixes PHB name from "pci" to "pci@XXXX" where XXXX is a BUID as
there is no bus on top of sPAPRPHBState where PHB firmware name could
be fixed using the BusClass::get_fw_dev_path() mechanism.
This stores the boot list in the /chosen/qemu,boot-list property of
the device tree. "\n" are replaced by spaces to support OF1275.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This changes VIO bridge fw name from spapr-vio-bridge to vdevice and
vscsi/veth node names from QEMU object names to VIO specific device tree
names.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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QEMU supports firmware names for all devices in the QEMU tree but
some architectures expect some parts of firmware path names in different
format.
This introduces a firmware-pathname-change interface definition.
If some machines needs to redefine the firmware path format, it has
to add the TYPE_FW_PATH_PROVIDER interface to an object that is above
the device on the QOM tree (typically /machine).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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As suffixes do not make sense for sPAPR's device tree and
there is no way to filter them out on the BusState::get_fw_dev_path()
level, let's add an ability for the external caller to specify
whether to apply suffixes or not.
We could handle suffixes in SLOF (ignored for now) but this would require
serious rework in the node opening code in SLOF, which has no obvious
benefit for the currently emulated sPAPR machine.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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This changes resource code definitions to ones used in the host kernel.
This fixes H_SET_MODE_RESOURCE_LE (switch between big endian and
little endian) to sync registers from KVM before changing LPCR value.
This adds a set_spr() helper to update an SPR in a CPU's context to avoid
possible races and makes use of it to change LPCR.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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We wanted to loop till index is 8. On 8 we return with H_PTEG_FULL. If we
are successful in loading hpte with any other index, we continue with that
index value.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Reviewed-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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This has been tested on Linux 2.4/PPC with the lsi53c895a SCSI adapter.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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PCI memory region is 0x3f000000 bytes starting at 0xc0000000.
However, keep compatibility with Open Hack'Ware expectations
by adding a hack for Open Hack'Ware display.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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PCI I/O region is 0x3f800000 bytes starting at 0x80000000.
Do not use global QEMU I/O region, which is only 64KB.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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Remove now duplicated code from prep board.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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Regions added subsequently will also have the pci_ prefix.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
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QOM child properties take a reference to the object and release it when
the property is deleted. Therefore we should unref the default_backend
after we have added it as a child property.
Cc: KONRAD Frederic <fred.konrad@greensocs.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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There are currently three types of object_property_add_link() callers:
1. The link property may be set at any time.
2. The link property of a DeviceState instance may only be set before
realize.
3. The link property may never be set, it is read-only.
Something similar can already be achieved with
object_property_add_str()'s set() argument. Follow its example and add
a check() argument to object_property_add_link().
Also provide default check() functions for case #1 and #2. Case #3 is
covered by passing a NULL function pointer.
Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
[AF: Tweaked documentation comment]
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Some object_property_add_link() callers expect property deletion to
unref the link property object. Other callers expect to manage the
refcount themselves. The former are currently broken and therefore leak
the link property object.
This patch adds a flags argument to object_property_add_link() so the
caller can specify which refcount behavior they require. The new
OBJ_PROP_LINK_UNREF_ON_RELEASE flag causes the link pointer to be
unreferenced when the property is deleted.
This fixes refcount leaks in qdev.c, xilinx_axidma.c, xilinx_axienet.c,
s390-virtio-bus.c, virtio-pci.c, virtio-rng.c, and ui/console.c.
Rationale for refcount behavior:
* hw/core/qdev.c
- bus children are explicitly unreferenced, don't interfere
- parent_bus is essentially a read-only property that doesn't hold a
refcount, don't unref
- hotplug_handler is leaked, do unref
* hw/dma/xilinx_axidma.c
- rx stream "dma" links are set using set_link, therefore they
need unref
- tx streams are set using set_link, therefore they need unref
* hw/net/xilinx_axienet.c
- same reasoning as hw/dma/xilinx_axidma.c
* hw/pcmcia/pxa2xx.c
- pxa2xx bypasses set_link and therefore does not use refcounts
* hw/s390x/s390-virtio-bus.c
* hw/virtio/virtio-pci.c
* hw/virtio/virtio-rng.c
* ui/console.c
- set_link is used and there is no explicit unref, do unref
Cc: Peter Crosthwaite <peter.crosthwaite@petalogix.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Anthony Liguori <aliguori@amazon.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Block patches for 2.0.0-rc1
# gpg: Signature made Wed 19 Mar 2014 13:03:27 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream:
dataplane: fix implicit IOThread refcount
block/nfs: report errors from libnfs
block/nfs: bump libnfs requirement to 1.9.3
qcow2: Fix fail path in realloc_refcount_block()
qcow2: Correct comment for realloc_refcount_block()
qemu-io: Extended "--cmd" description in usage text
qemu-io-cmds: Fixed typo in example for writev.
block: Add error handling to bdrv_invalidate_cache()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When creating an IOThread implicitly (the user did not specify
x-iothread=<id>) remember that iothread_find() does not return the
object with an incremented refcount.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The receive fifo full bit should be set when 1 character is received and
the fifo is disabled or when 16 characters are in the fifo.
Signed-off-by: Rob Herring <rob.herring@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1395166721-15716-4-git-send-email-robherring2@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Offset 4 is UARTRSR/UARTECR, not the UARTCR. The UARTCR would be
corrupted if the UARTRSR is ever written. Fix by implementing a correct
model of the UARTRSR/UARTECR register. Reads of this register simply
reflect the error bits in data register. Only breaks can be triggered in
QEMU. With the pl011_can_receive function, we effectively have flow
control between the host and the model. Framing and parity errors simply
don't make sense in the model and will never occur.
Signed-off-by: Rob Herring <rob.herring@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1395166721-15716-3-git-send-email-robherring2@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Intermittent issues have been seen where no serial input occurs. It
appears the pl011 gets in a state where the rx interrupt never fires
because the rx interrupt only asserts when crossing the fifo trigger
level. The fifo state appears to get out of sync when the pl011 is
re-configured. This combined with the rx timeout interrupt not being
modeled results in no more rx interrupts.
Disabling the fifo is the recommended way to clear the tx fifo in the
TRM (section 3.3.8). The behavior in this case for the rx fifo is
undefined in the TRM, but having fifo contents to be maintained during
configuration changes is not likely expected behavior. Reseting the
fifo state when the fifo size is changed is the simplest solution.
Signed-off-by: Rob Herring <rob.herring@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1395166721-15716-2-git-send-email-robherring2@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Non-PCI AHCI support is broken due to assertion failures when trying
to convert AHCIState to a PCIDevice pointer as AHCIState can have
different container structs. Fix this by using the non-asserting object
cast and checking the returned pointer is not NULL.
The AddressSpace pointer is also being initialized to NULL and causing
dma_memory_map call to fail. Fix this by initializing to
address_space_memory for sysbus instances.
Also correct AHCI_VMSTATE to use the correct container SysbusAHCIState
for sysbus instances.
Signed-off-by: Rob Herring <rob.herring@linaro.org>
Message-id: 1392073373-3295-1-git-send-email-robherring2@gmail.com
[PMM: added linebreaks to fix overlong lines]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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vnc: fix vmware VGA incompatiblities
# gpg: Signature made Tue 18 Mar 2014 07:23:10 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
* remotes/kraxel/tags/pull-vnc-2:
ui/vnc: fix vmware VGA incompatiblities
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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when using signature for table ID, we forgot to byte-swap it.
signatures are really ASCII strings, let's treat them as such.
While at it, get rid of most of _SIGNATURE macros.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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'remotes/pmaydell/tags/pull-target-arm-20140317' into staging
target-arm queue:
* more A64 Neon instructions
* fixes to reset CBAR values for A9 and A15 boards
* fix accesses to PMCR register in -icount mode
# gpg: Signature made Mon 17 Mar 2014 22:04:52 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20140317: (30 commits)
scripts/qemu-binfmt-conf.sh: Add AArch64 registration
target-arm: A64: Add [UF]RSQRTE (reciprocal root estimate)
target-arm: A64: Implement FCVTXN
target-arm: A64: Implement scalar saturating narrow ops
target-arm: A64: Move handle_2misc_narrow function
target-arm: A64: Implement AdvSIMD reciprocal estimate insns URECPE, FRECPE
softfloat: export squash_input_denormal functions
target-arm: A64: Implement FCVTZS, FCVTZU in the shift-imm categories
target-arm: A64: Handle saturating left shifts SQSHL, SQSHLU, UQSHL
exec-all.h: Increase MAX_OP_PER_INSTR for ARM A64 decoder
target-arm: A64: Implement FRINT*
target-arm: A64: Implement SRI
target-arm: A64: Add FRECPX (reciprocal exponent)
target-arm: A64: List unsupported shift-imm opcodes
target-arm: A64: Implement FCVTL
target-arm: A64: Implement FCVTN
target-arm: A64: Implement FCVT[NMAPZ][SU] SIMD instructions
target-arm: A64: Implement SHLL, SHLL2
target-arm: A64: Implement SADDLP, UADDLP, SADALP, UADALP
target-arm: A64: Saturating and narrowing shift ops
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Building on the previous patch, raise the maximal count of processor
objects / NTFY branches / CPON elements from 255 to 256. This allows the
VCPU with APIC ID 0xFF to be hotplugged.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The build_ssdt() function builds a number of AML objects that are related
to CPU hotplug, and whose IDs form a contiguous sequence of APIC IDs.
(APIC IDs are in fact discontiguous, but this is the traditional
interface: build a contiguous sequence from zero up that covers all
possible APIC IDs.) These objects are:
- a Processor() object for each VCPU,
- a NTFY method, with one branch for each VCPU,
- a CPON package with one element (hotplug status byte) for each VCPU.
The build_ssdt() function currently limits the *count* of processor
objects, and NTFY branches, and CPON elements, in 0xFF (see the assignment
to "acpi_cpus"). This allows for an inclusive APIC ID range of [0..254].
This is incorrect, because the highest APIC ID that we otherwise allow a
VCPU to take is 255.
In order to extend the maximum count to 256, and the traversed APIC ID
range correspondingly to [0..255]:
- the Processor() objects need no change,
- the NTFY method also needs no change,
- the CPON package must be updated, because it is defined with a
DefPackage, and the number of elements in such a package can be at most
255. We pick a DefVarPackage instead.
We replace the Op byte, and the encoding of the number of elements.
Compare:
DefPackage := PackageOp PkgLength NumElements PackageElementList
DefVarPackage := VarPackageOp PkgLength VarNumElements PackageElementList
PackageOp := 0x12
VarPackageOp := 0x13
NumElements := ByteData
VarNumElements := TermArg => Integer
The build_append_int() function implements precisely the following TermArg
encodings (a subset of what the ACPI spec describes):
TermArg := DataObject
DataObject := ComputationalData
ComputationalData := ConstObj | ByteConst | WordConst | DWordConst
directly encoded in the function, with build_append_byte():
ConstObj := ZeroOp | OneOp
ZeroOp := 0x00
OneOp := 0x01
call to build_append_value(..., 1):
ByteConst := BytePrefix ByteData
BytePrefix := 0x0A
ByteData := 0x00 - 0xFF
call to build_append_value(..., 2):
WordConst := WordPrefix WordData
WordPrefix := 0x0B
WordData := ByteData[0:7] ByteData[8:15]
call to build_append_value(..., 4):
DWordConst := DWordPrefix DWordData
DWordPrefix := 0x0C
DWordData := WordData[0:15] WordData[16:31]
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This changes the PC initialization code to reject max_cpus if it results
in an APIC ID that's too large, instead of aborting or erroring out when
it is already too late.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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MAX_CPUMASK_BITS is a limit for max_cpus and CPU indexes, not for APIC
IDs.
ACPI_CPU_HOTPLUG_ID_LIMIT is the right macro for the limit on APIC IDs
on the ACPI and CPU hotplug code.
There are no functional changes introduced by this patch, as
MAX_CPUMASK_BITS + 1 == 255 + 1 == 256 == ACPI_CPU_HOTPLUG_ID_LIMIT.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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AcpiCpuHotplug_add() can't handle vCPU arch IDs larger than
ACPI_CPU_HOTPLUG_ID_LIMIT. Instead of corrupting memory in case the vCPU
ID is too large, use g_assert() to ensure we are not over the limit.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The ACPI CPU hotplug code requires APIC IDs to be smaller than
ACPI_CPU_HOTPLUG_ID_LIMIT, so enforce the limit before trying to hotplug
a new vCPU, returning an error instead of crashing.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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this fixes invalid rectangle updates observed after commit 12b316d
with the vmware VGA driver. The issues occured because the server
and client surface update seems to be out of sync at some points
and the max width of the surface is not dividable by
VNC_DIRTY_BITS_PER_PIXEL (16).
Reported-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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valgrind complains about a memory leak in irq setup of sclpconsole:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 89of 833
==42117== at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117== by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117== by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117== by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117== by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117== by 0x800F5685: console_init (sclpconsole.c:235)
==42117== by 0x80297C79: event_realize (event-facility.c:386)
==42117== by 0x80105071: device_set_realized (qdev.c:693)
==42117== by 0x801CDC4B: property_set_bool (object.c:1337)
==42117== by 0x801CBD7F: object_property_set (object.c:819)
[...]
We dont need the indirection of an qemu irq to inject an slcp interrupt.
Fixes a valgrind error and makes the code simpler.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
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valgrind complains about a memory leak in irq setup of sclpconsole:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 89 of 833
==42117== at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117== by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117== by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117== by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117== by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117== by 0x800F5685: console_init (sclpconsole.c:235)
==42117== by 0x80297C79: event_realize (event-facility.c:386)
==42117== by 0x80105071: device_set_realized (qdev.c:693)
==42117== by 0x801CDC4B: property_set_bool (object.c:1337)
==42117== by 0x801CBD7F: object_property_set (object.c:819)
[...]
Turns out that we actually dont need the indirection, so trigger the
sclp interrupt directly.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
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valgrind complains about the following:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 88 of 833
==42117== at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117== by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117== by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117== by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117== by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117== by 0x8029FA4B: irq_cpu_hotplug_init (sclpcpu.c:84)
==42117== by 0x80297C79: event_realize (event-facility.c:386)
==42117== by 0x80105071: device_set_realized (qdev.c:693)
[...]
Right it is. Don't drop the pointer of the irq.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@us.ibm.com>
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