Sometimes a CPU feature does not make sense unless another is
present. In the case of VMX features, KVM does not even allow
setting the VMX controls to some invalid combinations.
Therefore, this patch adds a generic mechanism that looks for bits
that the user explicitly cleared, and uses them to remove other bits
from the expanded CPU definition. If these dependent bits were also
explicitly *set* by the user, this will be a warning for "-cpu check"
and an error for "-cpu enforce". If not, then the dependent bits are
cleared silently, for convenience.
With VMX features, this will be used so that for example
"-cpu host,-rdrand" will also hide support for RDRAND exiting.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The next patch will add a different reason for filtering features, unrelated
to host feature support. Extract a new function that takes care of disabling
the features and optionally reporting them.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-fsanitize=undefined is not the same thing as --enable-sanitizers. After
commit 47c823e ("tests/docker: add sanitizers back to clang build", 2019-09-11)
test-clang is almost duplicating the asan (test-debug) test, so
partly revert commit 47c823e5b while leaving ubsan enabled.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 05e514b1d4 introduced an AIO
context optimization to avoid calling event_notifier_test_and_clear() on
ctx->notifier. On Windows, the same notifier is being used to wakeup the
wait on socket events (see commit
d3385eb448).
The ctx->notifier event is added to the gpoll sources in
aio_set_event_notifier(), aio_ctx_check() should clear the event
regardless of ctx->notified, since Windows sets the event by itself,
bypassing the aio->notified. This fixes qemu not clearing the event
resulting in a busy loop.
Paolo suggested to me on irc to call event_notifier_test_and_clear()
after select() >0 from aio-win32.c's aio_prepare. Unfortunately, not all
fds associated with ctx->notifiers are in AIO fd handlers set.
(qemu_set_nonblock() in util/oslib-win32.c calls qemu_fd_register()).
This is essentially a v2 of a patch that was sent earlier:
https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg00420.html
that resurfaced when James investigated Spice performance issues on Windows:
https://gitlab.freedesktop.org/spice/spice/issues/36
In order to test that patch, I simply tried running test-char on
win32, and it hangs. Applying that patch solves it. QIO idle sources
are not dispatched. I haven't investigated much further, I suspect
source priorities and busy looping still come into play.
This version keeps the "notified" field, so event_notifier_poll()
should still work as expected.
Cc: James Le Cuirot <chewi@gentoo.org>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Serial test is currently hard-coded to /dev/null.
On Windows, serial chardev expect a COM: device, which may not be
availble.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In general, WSAEWOULDBLOCK can be mapped to EAGAIN as done by
socket_error() (or EWOULDBLOCK). But for connect() with non-blocking
sockets, it actually means the operation is in progress:
https://docs.microsoft.com/en-us/windows/win32/api/winsock2/nf-winsock2-connect
"The socket is marked as nonblocking and the connection cannot be completed immediately."
(this is also the behaviour implemented by GLib GSocket)
This fixes socket_can_bind_connect() test on win32.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There is a problem, that you don't have access to the data using cpu_memory_rw_debug() function when in SMM. You can't remotely debug SMM mode program because of that for example.
Likely attrs version of get_phys_page_debug should be used to get correct asidx at the end to handle access properly.
Here the patch to fix it.
Signed-off-by: Dmitry Poletaev <poletaev@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Currently, when a notifier is attempted to be registered and its
flags are not supported (especially the MAP one) by the IOMMU MR,
we generally abruptly exit in the IOMMU code. The failure could be
handled more nicely in the caller and especially in the VFIO code.
So let's allow memory_region_register_iommu_notifier() to fail as
well as notify_flag_changed() callback.
All sites implementing the callback are updated. This patch does
not yet remove the exit(1) in the amd_iommu code.
in SMMUv3 we turn the warning message into an error message saying
that the assigned device would not work properly.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The container error integer field is currently used to store
the first error potentially encountered during any
vfio_listener_region_add() call. However this fails to propagate
detailed error messages up to the vfio_connect_container caller.
Instead of using an integer, let's use an Error handle.
Messages are slightly reworded to accomodate the propagation.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The CPUID bits CLZERO and XSAVEERPTR are availble on AMD's ZEN platform
and could be passed to the guest.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
There are just too many leaks in device-introspect-test (especially for
the plethora of arm and aarch64 boards) to make LeakSanitizer useful;
disable it for now.
Whoever is interested in debugging leaks can also use valgrind like this:
QTEST_QEMU_BINARY=aarch64-softmmu/qemu-system-aarch64 \
QTEST_QEMU_IMG=qemu-img \
valgrind --trace-children=yes --leak-check=full \
tests/device-introspect-test -p /aarch64/device/introspect/concrete/defaults/none
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Bottom halves and ptimers are malloced, but nothing in these
files is freeing memory allocated by instance_init. Since
these are sysctl devices that are never unrealized, just moving
the allocations to realize is enough to avoid the leak in
practice (and also to avoid upsetting asan when running
device-introspect-test).
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
memory_region_init_* takes care of copying the name into memory it owns.
Free it in the caller.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The array returned by qemu_allocate_irqs is malloced, free it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
The device tree blob returned by load_device_tree is malloced.
Free it before returning.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
The array returned by qemu_allocate_irqs is malloced, free it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Currently, isa-superio.c is always compiled as soon as CONFIG_ISA_BUS
is enabled. But there are also machines that have an ISA BUS without
any of the superio chips attached to it, so we should not compile
isa-superio.c in case we only compile a QEMU for such a machine.
Thus add a proper CONFIG_ISA_SUPERIO switch so that this file only gets
compiled when we really, really need it.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Commit 9458a9a1df added synchronization
of vCPU and migration operations through calling run_on_cpu operation.
However, in replay mode this synchronization is unneeded, because
I/O and vCPU threads are already synchronized.
This patch disables such synchronization for record/replay mode.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@gmail.com>
The 'r' variable was accidently shadowed, and because of this
we were always passing 0 to mpath_generic_sense, instead of original
return value, which triggers an abort()
This is an attempt to fix the
https://bugzilla.redhat.com/show_bug.cgi?id=1720047
although there might be other places in the code
that trigger qemu-pr-helper crash, and this fix might
not be the root cause.
The crash was reproduced by creating an iscsi target on a test machine,
and passing it twice to the guest like that:
-blockdev node-name=idisk0,driver=iscsi,transport=...,target=...
-device scsi-block,drive=idisk0,bus=scsi0.0,bootindex=-1,scsi-id=1,lun=0,share-rw=on
-device scsi-block,drive=idisk0,bus=scsi0.0,bootindex=-1,scsi-id=1,lun=1,share-rw=on
Then in the guest, both /dev/sda and /dev/sdb were aggregated by multipath to /dev/mpatha,
which was passed to a nested guest like that
-object pr-manager-helper,id=qemu_pr_helper,path=/root/work/vm/testvm/.run/pr_helper.socket
-blockdev node-name=test,driver=host_device,filename=/dev/mapper/mpatha,pr-manager=qemu_pr_helper
-device scsi-block,drive=test,bus=scsi0.0,bootindex=-1,scsi-id=0,lun=0
The nested guest run:
sg_persist --no-inquiry -v --out --register --param-sark 0x1234 /dev/sda
Strictly speaking this is wrong configuration since qemu is where
the multipath was split, and thus the iscsi target was not aware of
multipath, and thus when libmpathpersist code rightfully tried to register
the PR key on all paths, it failed to do so.
However qemu-pr-helper should not crash in this case.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20190909131335.16848-4-yury-kotov@yandex-team.ru>
[Reorganize check_migration_status for rebase. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some of the cross compilers rightly complain there are cases where ret
may not be set. 0 seems to be the reasonable default unless particular
slot explicitly returns -1.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-qapi-2019-09-28' into staging
QAPI patches for 2019-09-28
# gpg: Signature made Sat 28 Sep 2019 16:18:13 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qapi-2019-09-28: (27 commits)
qapi: Improve source file read error handling
qapi: Improve reporting of redefinition
qapi: Improve reporting of missing documentation comment
qapi: Eliminate check_keys(), rename check_known_keys()
qapi: Improve reporting of invalid 'if' further
qapi: Avoid redundant definition references in error messages
qapi: Improve reporting of missing / unknown definition keys
qapi: Improve reporting of invalid flags
qapi: Improve reporting of invalid 'if' errors
qapi: Move context-free checking to the proper place
qapi: Move context-sensitive checking to the proper place
qapi: Inline check_name() into check_union()
qapi: Plumb info to the QAPISchemaMember
qapi: Make check_type()'s array case a bit more obvious
qapi: Move check for reserved names out of add_name()
qapi: Report invalid '*' prefix like any other invalid name
qapi: Use check_name_str() where it suffices
qapi: Improve reporting of invalid name errors
qapi: Reorder check_FOO() parameters for consistency
qapi: Improve reporting of member name clashes
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Everybody who used something like "-machine accel=kvm:tcg" in the past
might be tempted to specify a similar list with the -accel parameter,
too, for example "-accel kvm:tcg". However, this is not how this
options is thought to be used, since each "-accel" should only take care
of one specific accelerator.
In the long run, we really should rework the "-accel" code completely,
so that it does not set "-machine accel=..." anymore internally, but
is completely independent from "-machine". For the short run, let's
make sure that users cannot use "-accel xyz:tcg", so that we avoid
that we have to deal with such cases in the wild later.
Message-Id: <20190930123505.11607-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Both, "rom->addr" and "addr" are derived from the binary image
that can be loaded with the "-kernel" paramer. The code in
rom_copy() then calculates:
d = dest + (rom->addr - addr);
and uses "d" as destination in a memcpy() some lines later. Now with
bad kernel images, it is possible that rom->addr is smaller than addr,
thus "rom->addr - addr" gets negative and the memcpy() then tries to
copy contents from the image to a bad memory location. This could
maybe be used to inject code from a kernel image into the QEMU binary,
so we better fix it with an additional sanity check here.
Cc: qemu-stable@nongnu.org
Reported-by: Guangming Liu
Buglink: https://bugs.launchpad.net/qemu/+bug/1844635
Message-Id: <20190925130331.27825-1-thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Coverity currently complains that the "if (0x00 & (0x80 >> (phase - 8))"
in next-cube.c can never be true. Right it is. The "0x00" is meant as value
of the control register of the RTC, which is currently not implemented yet.
Thus, let's add a register variable for this now. However, the RTC
registers are currently defined as static variables in nextscr2_write(),
which is quite ugly. Thus let's also move the RTC variables to the main
machine state instead. In the long run, we should likely even refactor
the whole RTC code into a separate device in a separate file, but that's
something for calm winter nights later... as a first step, cleaning up
the static variables and shutting up the warning from Coverity should
be sufficient.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20190921091738.26953-1-huth@tuxfamily.org>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
While at it, simplify using $(land).
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190926111955.17276-3-marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Fixes: dad5ddcea3 ("check: Only test usb-ehci when it is compiled in")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Fixes commit
e5758de4e8 ("tests/libqtest: Make
qtest_qmp_device_add/del independent from global_qtest")
and commit
dd21074972 ("tests/libqtest: Use
libqtest-single.h in tests that require global_qtest").
Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190926111955.17276-2-marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Instead of splitting at an unaligned address, we can simply split at
4TB.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
s390 was trying to solve limited KVM memslot size issue by abusing
memory_region_allocate_system_memory(), which breaks API contract
where the function might be called only once.
Beside an invalid use of API, the approach also introduced migration
issue, since RAM chunks for each KVM_SLOT_MAX_BYTES are transferred in
migration stream as separate RAMBlocks.
After discussion [1], it was agreed to break migration from older
QEMU for guest with RAM >8Tb (as it was relatively new (since 2.12)
and considered to be not actually used downstream).
Migration should keep working for guests with less than 8TB and for
more than 8TB with QEMU 4.2 and newer binary.
In case user tries to migrate more than 8TB guest, between incompatible
QEMU versions, migration should fail gracefully due to non-exiting
RAMBlock ID or RAMBlock size mismatch.
Taking in account above and that now KVM code is able to split too
big MemorySection into several memslots, partially revert commit
(bb223055b s390-ccw-virtio: allow for systems larger that 7.999TB)
and use kvm_set_max_memslot_size() to set KVMSlot size to
KVM_SLOT_MAX_BYTES.
1) [PATCH RFC v2 4/4] s390: do not call memory_region_allocate_system_memory() multiple times
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190924144751.24149-5-imammedo@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Max memslot size supported by kvm on s390 is 8Tb,
move logic of splitting RAM in chunks upto 8T to KVM code.
This way it will hide KVM specific restrictions in KVM code
and won't affect board level design decisions. Which would allow
us to avoid misusing memory_region_allocate_system_memory() API
and eventually use a single hostmem backend for guest RAM.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190924144751.24149-4-imammedo@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Currently MemoryRegionSection has 1:1 mapping to KVMSlot.
However next patch will allow splitting MemoryRegionSection into
several KVMSlot-s, make sure that kvm_physical_log_slot_clear()
is able to handle such 1:N mapping.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190924144751.24149-3-imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
We may need to clear the dirty bitmap for more than one KVM memslot.
First do some code movement with no semantic change.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190924144751.24149-2-imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[fixup line break]
On IBM Z, KVM in the kernel is only implemented for 64-bit mode, and
with regards to TCG, we also only support 64-bit host CPUs (see the
check at the beginning of tcg/s390/tcg-target.inc.c), so we should
remove s390 (without "x", i.e. the old 31-bit mode CPUs) from the
list of supported CPUs.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190928190334.6897-1-thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Return the correct error code when the SCCB buffer is too small to
contain all of the output, for the Read SCP Information and
Read CPU Information commands.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Message-Id: <1569591203-15258-5-git-send-email-imbrenda@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Requests over 4k are not a spec exception.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Message-Id: <1569591203-15258-4-git-send-email-imbrenda@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
All sclp codes need to be checked for page boundary violations.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Message-Id: <1569591203-15258-3-git-send-email-imbrenda@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Invalid command checking has to be done before the boundary check,
refactoring it now allows to insert the boundary check at the correct
place later.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com>
Message-Id: <1569591203-15258-2-git-send-email-imbrenda@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
The fix in dbe9cf606c shrinks the IOMMU memory region to a size
that seems reasonable on the surface, however is actually too
small as it is based against a 0-mapped address space. This
causes breakage with small guests as they can overrun the IOMMU window.
Let's go back to the prior method of initializing iommu for now.
Fixes: dbe9cf606c ("s390x/pci: Set the iommu region size mpcifc request")
Cc: qemu-stable@nongnu.org
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Reported-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Tested-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reported-by: Stefan Zimmerman <stzi@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <1569507036-15314-1-git-send-email-mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
As discussed previously with Collin, I will take over maintaining
s390 pci.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-Id: <1569590461-12562-1-git-send-email-mjrosato@linux.ibm.com>
Acked-by: Collin Walling <walling@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
* Fix the CBAR register implementation for Cortex-A53,
Cortex-A57, Cortex-A72
* Fix direct booting of Linux kernels on emulated CPUs
which have an AArch32 EL3 (incorrect NSACR settings
meant they could not access the FPU)
* semihosting cleanup: do more work at translate time
and less work at runtime
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190927' into staging
target-arm queue:
* Fix the CBAR register implementation for Cortex-A53,
Cortex-A57, Cortex-A72
* Fix direct booting of Linux kernels on emulated CPUs
which have an AArch32 EL3 (incorrect NSACR settings
meant they could not access the FPU)
* semihosting cleanup: do more work at translate time
and less work at runtime
# gpg: Signature made Fri 27 Sep 2019 15:32:43 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20190927:
hw/arm/boot: Use the IEC binary prefix definitions
hw/arm/boot.c: Set NSACR.{CP11,CP10} for NS kernel boots
tests/tcg: add linux-user semihosting smoke test for ARM
target/arm: remove run-time semihosting checks for linux-user
target/arm: remove run time semihosting checks
target/arm: handle A-profile semihosting at translate time
target/arm: handle M-profile semihosting at translate time
tests/tcg: clean-up some comments after the de-tangling
target/arm: fix CBAR register for AArch64 CPUs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
# Conflicts:
# tests/tcg/arm/Makefile.target
qapi-gen.py crashes when it can't open the main schema file, and when
it can't read from any schema file. Lazy.
Change QAPISchema.__init__() to take a file name instead of a file
object. Move the open code from _include() to __init__(), so it's
used for the main schema file, too.
Move the read into the try for good measure, and rephrase the error
message.
Reporting open or read failure for the main schema file needs a
QAPISourceInfo representing "no source". Make QAPISourceInfo cope
with fname=None.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-27-armbru@redhat.com>
Point to the previous definition, unless it's a built-in.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-26-armbru@redhat.com>
Have check_exprs() check this later, so the error message gains an "in
definition line". Tweak the error message.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-25-armbru@redhat.com>
check_keys() has become a trivial wrapper for check_known_keys().
Eliminate it.
This makes its name available. Rename check_known_keys().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-24-armbru@redhat.com>
check_if()'s errors don't point to the offending part of the
expression. For instance:
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' makes no sense
Other check_FOO() do, with the help of a @source argument. Make
check_if() do that, too. The example above improves to:
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' of 'data' member 'branch' makes no sense
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190927134639.4284-23-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Many error messages refer to the offending definition even though
they're preceded by an "in definition" line. Rephrase them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190927134639.4284-22-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
