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2015-10-30monitor: Throttle event VSERPORT_CHANGE separately by "id"Markus Armbruster
VSERPORT_CHANGE is emitted when the guest opens or closes a virtio-serial port. The event's member "id" identifies the port. When several events arrive quickly, throttling drops all but the last of them. Because of that, a QMP client must assume that *any* port may have changed state when it receives a VSERPORT_CHANGE event and throttling may have happened. Make the event more useful by throttling it for each port separately. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1444921716-9511-7-git-send-email-armbru@redhat.com>
2015-10-30monitor: Turn monitor_qapi_event_state[] into a hash tableMarkus Armbruster
In preparation of finer grained throttling. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1444921716-9511-6-git-send-email-armbru@redhat.com>
2015-10-30glib: add compatibility interface for g_hash_table_add()Markus Armbruster
The next commit will use it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-10-29monitor: Split MonitorQAPIEventConf off MonitorQAPIEventStateMarkus Armbruster
In preparation of turning monitor_qapi_event_state[] into a hash table for finer grained throttling. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1444921716-9511-5-git-send-email-armbru@redhat.com>
2015-10-29monitor: Switch from timer_new() to timer_new_ns()Markus Armbruster
We don't actually care for the scale, so we can just as well use the simpler interface. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444921716-9511-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-10-29monitor: Simplify event throttlingMarkus Armbruster
The event throttling state machine is hard to understand. I'm not sure it's entirely correct. Rewrite it in a more straightforward manner: State 1: No event sent recently (less than evconf->rate ns ago) Invariant: evstate->timer is not pending, evstate->qdict is null On event: send event, arm timer, goto state 2 State 2: Event sent recently, no additional event being delayed Invariant: evstate->timer is pending, evstate->qdict is null On event: store it in evstate->qdict, goto state 3 On timer: goto state 1 State 3: Event sent recently, additional event being delayed Invariant: evstate->timer is pending, evstate->qdict is non-null On event: store it in evstate->qdict, goto state 3 On timer: send evstate->qdict, clear evstate->qdict, arm timer, goto state 2 Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444921716-9511-3-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2015-10-29monitor: Reduce casting of QAPI event QDictMarkus Armbruster
Make the variables holding the event QDict instead of QObject. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <1444921716-9511-2-git-send-email-armbru@redhat.com>
2015-10-29qstring: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qstring() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-7-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29qlist: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qlist() crashes on null, which is a trap for the unwary. Return null instead. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-6-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29qfloat qint: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qfloat() and qobject_to_qint() crash on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-5-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29qdict: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qdict() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-4-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29qbool: Make conversion from QObject * accept nullMarkus Armbruster
qobject_to_qbool() crashes on null, which is a trap for the unwary. Return null instead, and simplify a few callers. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-3-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29qobject: Drop QObject_HEADMarkus Armbruster
QObject_HEAD is a macro expanding into the common part of structs that are sub-types of QObject. It's always been just QObject base, and unlikely to change. Drop the macro, because the code is clearer with out it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1444918537-18107-2-git-send-email-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2015-10-29Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into stagingPeter Maydell
virtio, pc, memory: fixes+features for 2.5 New features: This enables hotplug for multifunction devices. Patches are very small, so I think it's OK to merge at this stage. There's also some new infrastructure for vhost-user testing not enabled yet so it's harmless to merge. I've reverted the "gap between DIMMs" workaround, as it seems too risky, and applied my own patch in virtio, but not in dataplane code. This means that dataplane is broken for some complex DIMM configurations for now. Waiting for Stefan to review the dataplane fix. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Thu 29 Oct 2015 09:36:16 GMT using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: enable multi-function hot-add remove function during multi-function hot-add tests/vhost-user-bridge: add vhost-user bridge application Revert "memhp: extend address auto assignment to support gaps" Revert "pc: memhp: force gaps between DIMM's GPA" virtio: drop virtqueue_map_sg virtio-scsi: convert to virtqueue_map virtio-serial: convert to virtio_map virtio-blk: convert to virtqueue_map virtio: switch to virtio_map virtio: introduce virtio_map mmap-alloc: fix error handling pc: memhp: do not emit inserting event for coldplugged DIMMs vhost-user-test: fix up rhel6 build vhost-user: cleanup msg size math vhost-user: cleanup struct size math Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-29enable multi-function hot-addCao jin
Enable PCIe device multi-function hot-add, just ensure function 0 is added last, then driver will get the notification to scan the slot. Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29remove function during multi-function hot-addCao jin
In case user want to cancel the hot-add operation, should roll back, device_del the added function that still don`t work. Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29tests/vhost-user-bridge: add vhost-user bridge applicationVictor Kaplansky
The test existing in QEMU for vhost-user feature is good for testing the management protocol, but does not allow actual traffic. This patch proposes Vhost-User Bridge application, which can serve the QEMU community as a comprehensive test by running real internet traffic by means of vhost-user interface. Essentially the Vhost-User Bridge is a very basic vhost-user backend for QEMU. It runs as a standalone user-level process. For packet processing Vhost-User Bridge uses an additional QEMU instance with a backend configured by "-net socket" as a shared VLAN. This way another QEMU virtual machine can effectively serve as a shared bus by means of UDP communication. For a more simple setup, the another QEMU instance running the SLiRP backend can be the same QEMU instance running vhost-user client. This Vhost-User Bridge implementation is very preliminary. It is missing many features. I has been studying vhost-user protocol internals, so I've written vhost-user-bridge bit by bit as I progressed through the protocol. Most probably its internal architecture will change significantly. To run Vhost-User Bridge application: 1. Build vhost-user-bridge with a regular procedure. This will create a vhost-user-bridge executable under tests directory: $ configure; make tests/vhost-user-bridge 2. Ensure the machine has hugepages enabled in kernel with command line like: default_hugepagesz=2M hugepagesz=2M hugepages=2048 3. Run Vhost-User Bridge with: $ tests/vhost-user-bridge The above will run vhost-user server listening for connections on UNIX domain socket /tmp/vubr.sock, and will try to connect by UDP to VLAN bridge to localhost:5555, while listening on localhost:4444 Run qemu with a virtio-net backed by vhost-user: $ qemu \ -enable-kvm -m 512 -smp 2 \ -object memory-backend-file,id=mem,size=512M,mem-path=/dev/hugepages,share=on \ -numa node,memdev=mem -mem-prealloc \ -chardev socket,id=char0,path=/tmp/vubr.sock \ -netdev type=vhost-user,id=mynet1,chardev=char0,vhostforce \ -device virtio-net-pci,netdev=mynet1 \ -net none \ -net socket,vlan=0,udp=localhost:4444,localaddr=localhost:5555 \ -net user,vlan=0 \ disk.img vhost-user-bridge was tested very lightly: it's able to bringup a linux on client VM with the virtio-net driver, and execute transmits and receives to the internet. I tested with "wget redhat.com", "dig redhat.com". PS. I've consulted DPDK's code for vhost-user during Vhost-User Bridge implementation. Signed-off-by: Victor Kaplansky <victork@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29Revert "memhp: extend address auto assignment to support gaps"Michael S. Tsirkin
This reverts commit df0acded19ec4b826aa095cfc19d341bd66fafd3. There's no point to it now that the only user has been reverted. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29Revert "pc: memhp: force gaps between DIMM's GPA"Michael S. Tsirkin
This reverts commit aa8580cddf011e8cedcf87f7a0fdea7549fc4704. As described in http://article.gmane.org/gmane.comp.emulators.qemu/371432 that commit causes linux guests to crash on memory hot-unplug. The original problem it's trying to solve has now been addressed within virtio. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29virtio: drop virtqueue_map_sgMichael S. Tsirkin
Deprecated in favor of virtqueue_map. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29virtio-scsi: convert to virtqueue_mapMichael S. Tsirkin
Note: virtqueue_map already validates input so virtio-scsi does not have to. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29virtio-serial: convert to virtio_mapMichael S. Tsirkin
This also fixes a minor bug: - virtqueue_map_sg(port->elem.out_sg, port->elem.out_addr, - port->elem.out_num, 1); is wrong: out_sg is not written so should not be marked dirty. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29virtio-blk: convert to virtqueue_mapMichael S. Tsirkin
Drop deprecated use of virtqueue_map_sg. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29virtio: switch to virtio_mapMichael S. Tsirkin
Drop use of the deprecated virtio_map_sg in virtio core. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29virtio: introduce virtio_mapMichael S. Tsirkin
virtio_map_sg currently fails if one of the entries it's mapping is contigious in GPA but not HVA address space. Introduce virtio_map which handles this by splitting sg entries. This new API generally turns out to be a good idea since it's harder to misuse: at least in one case the existing one was used incorrectly. This will still fail if there's no space left in the sg, but luckily max queue size in use is currently 256, while max sg size is 1024, so we should be OK even is all entries happen to cross a single DIMM boundary. Won't work well with very small DIMM sizes, unfortunately: e.g. this will fail with 4K DIMMs where a single request might span a large number of DIMMs. Let's hope these are uncommon - at least we are not breaking things. Note: virtio-scsi calls virtio_map_sg on data loaded from network, and validates input, asserting on failure. Copy the validating code here - it will be dropped from virtio-scsi in a follow-up patch. Reported-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2015-10-29mmap-alloc: fix error handlingMichael S. Tsirkin
Existing callers are checking for MAP_FAILED, so we should return that on error. Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29pc: memhp: do not emit inserting event for coldplugged DIMMsIgor Mammedov
currently acpi_memory_plug_cb() sets is_inserting for cold- and hot-plugged DIMMs as result ASL MHPD.MSCN() method issues device check even for every coldplugged DIMM. There isn't much harm in it but if we try to unplug such DIMM, OSPM will issue device check intstead of device eject event. So OSPM won't eject memory module as expected and it will try to eject it only when another memory device is hot-(un)plugged. As a fix do not set 'is_inserting' event and do not issue SCI for cold-plugged DIMMs as they are enumerated and activated by OSPM during guest's boot. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29vhost-user-test: fix up rhel6 buildMichael S. Tsirkin
Build on RHEL6 fails: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42875 Apparently unnamed unions couldn't use C99 named field initializers. Let's just name the payload union field. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29vhost-user: cleanup msg size mathMichael S. Tsirkin
We are sending msg fields, use sizeof on these and not on local variables which happen to have a matching type. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-29vhost-user: cleanup struct size mathMichael S. Tsirkin
We are using local msg structures everywhere, use them for sizeof as well. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2015-10-28Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20151028' into stagingPeter Maydell
Breakpoint fixes # gpg: Signature made Wed 28 Oct 2015 17:58:52 GMT using RSA key ID 4DD0279B # gpg: Good signature from "Richard Henderson <rth7680@gmail.com>" # gpg: aka "Richard Henderson <rth@redhat.com>" # gpg: aka "Richard Henderson <rth@twiddle.net>" * remotes/rth/tags/pull-tcg-20151028: target-*: Advance pc after recognizing a breakpoint Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-28target-*: Advance pc after recognizing a breakpointRichard Henderson
Some targets already had this within their logic, but make sure it's present for all targets. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-10-28Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into ↵Peter Maydell
staging target-i386: finally enable "check" mode by default # gpg: Signature made Wed 28 Oct 2015 14:13:10 GMT using RSA key ID 984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" * remotes/ehabkost/tags/x86-pull-request: target-i386: Enable "check" mode by default target-i386: Don't left shift negative constant Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-28Merge remote-tracking branch 'remotes/mcayland/tags/qemu-openbios-signed' ↵Peter Maydell
into staging Update OpenBIOS images # gpg: Signature made Wed 28 Oct 2015 00:02:46 GMT using RSA key ID AE0F321F # gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>" * remotes/mcayland/tags/qemu-openbios-signed: Update OpenBIOS images Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-28Update OpenBIOS imagesMark Cave-Ayland
Update OpenBIOS images to SVN r1353 built from submodule. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2015-10-27target-i386: Enable "check" mode by defaultEduardo Habkost
Current default behavior of QEMU is to silently disable features that are not supported by the host when a CPU model is requested in the command-line. This means that in addition to risking breaking guest ABI by default, we are silent about it. I would like to enable "enforce" by default, but this can easily break existing production systems because of the way libvirt makes assumptions about CPU models today (this will change in the future, once QEMU provide a proper interface for checking if a CPU model is runnable). But there's no reason we should be silent about it. So, change target-i386 to enable "check" mode by default so at least we have some warning printed to stderr (and hopefully logged somewhere) when QEMU disables a feature that is not supported by the host system. Reviewed-by: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-10-27target-i386: Don't left shift negative constantEduardo Habkost
Left shift of negative values is undefined behavior. Detected by clang: qemu/target-i386/translate.c:2423:26: runtime error: left shift of negative value -8 This changes the code to reverse the sign after the left shift. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2015-10-27Merge remote-tracking branch ↵Peter Maydell
'remotes/pmaydell/tags/pull-target-arm-20151027-1' into staging target-arm queue: * more EL2 preparation: handling for stage 2 translations * standardize debug macros in i.MX devices * improve error message in a corner case for virt board * disable live migration of KVM GIC if the kernel can't handle it * add SPSR_(ABT|UND|IRQ|FIQ) registers * handle non-executable page-straddling Thumb instructions * fix a "no 64-bit EL2" assumption in arm_excp_unmasked() # gpg: Signature made Tue 27 Oct 2015 16:03:31 GMT using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" * remotes/pmaydell/tags/pull-target-arm-20151027-1: (27 commits) target-arm: Add support for S1 + S2 MMU translations target-arm: Route S2 MMU faults to EL2 target-arm: Add S2 translation to 32bit S1 PTWs target-arm: Add S2 translation to 64bit S1 PTWs target-arm: Add ARMMMUFaultInfo target-arm: Avoid inline for get_phys_addr target-arm: Add support for S2 page-table protection bits target-arm: Add computation of starting level for S2 PTW target-arm: lpae: Rename granule_sz to stride target-arm: lpae: Replace tsz with computed inputsize target-arm: Add support for AArch32 S2 negative t0sz target-arm: lpae: Move declaration of t0sz and t1sz target-arm: lpae: Make t0sz and t1sz signed integers target-arm: Add HPFAR_EL2 i.MX: Standardize i.MX GPT debug i.MX: Standardize i.MX EPIT debug i.MX: Standardize i.MX FEC debug i.MX: Standardize i.MX CCM debug i.MX: Standardize i.MX AVIC debug i.MX: Standardize i.MX I2C debug ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add support for S1 + S2 MMU translationsEdgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-15-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Route S2 MMU faults to EL2Edgar E. Iglesias
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-14-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add S2 translation to 32bit S1 PTWsEdgar E. Iglesias
Add support for applying S2 translation to 32bit S1 page-table walks. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-13-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add S2 translation to 64bit S1 PTWsEdgar E. Iglesias
Add support for applying S2 translation to 64bit S1 page-table walks. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-12-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add ARMMMUFaultInfoEdgar E. Iglesias
Introduce ARMMMUFaultInfo to propagate MMU Fault information across the MMU translation code path. This is in preparation for adding Stage-2 translation. No functional changes. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-11-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Avoid inline for get_phys_addrEdgar E. Iglesias
Avoid inline for get_phys_addr() to prepare for future recursive use. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-10-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add support for S2 page-table protection bitsEdgar E. Iglesias
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-9-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add computation of starting level for S2 PTWEdgar E. Iglesias
The starting level for S2 pagetable walks is computed differently from the S1 starting level. Implement the S2 variant. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-8-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: lpae: Rename granule_sz to strideEdgar E. Iglesias
Rename granule_sz to stride to better match the reference manuals. No functional change. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-7-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: lpae: Replace tsz with computed inputsizeEdgar E. Iglesias
Remove the tsz variable and introduce inputsize. This simplifies the code a little and makes it easier to compare with the reference manuals. No functional change. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-6-git-send-email-edgar.iglesias@gmail.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: Add support for AArch32 S2 negative t0szEdgar E. Iglesias
Add support for AArch32 S2 negative t0sz. In preparation for using 40bit IPAs on AArch32. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-5-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-10-27target-arm: lpae: Move declaration of t0sz and t1szEdgar E. Iglesias
Move declaration of t0sz and t1sz to the top of the function avoiding a mix of code and variable declarations. No functional change. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Message-id: 1445864527-14520-4-git-send-email-edgar.iglesias@gmail.com Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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