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Add support for isa-serial method for qemu-ga on Windows,
Added -p command line parameter for serial port name
specification, e.g. "-p COM15".
Signed-off-by: Miki Mishael <mmishael@redhat.com>
Signed-off-by: Dmitry Fleytman <dfleytma@redhat.com>
*added default isa-serial path to help output
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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qmp_guest_file_seek() allocates memory for a GuestFileRead object
instead of the GuestFileSeek object it actually uses. Harmless,
because the GuestFileRead is slightly larger.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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As the description to the guest-set-time states, the command is
there to ease time synchronization after resume. If guest was
suspended for longer period of time, its system time can go off
so badly, that even NTP refuses to set it. That's why the command
was invented: to give users chance to set the time (not
necessarily 100% correct). However, there's is no real need for
us to require users to pass an arbitrary time. Especially if we
can read the correct value from RTC (boiling down to reading
host's time). Hence this commit enables logic:
guest-set-time() == guest-set-time($now_from_rtc)
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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When a VSS requester such as vshadow.exe or diskshadow.exe requests to
delete snapshots, qemu-ga VSS provider's DeleteSnapshots() is also called
and returns E_NOTIMPL, that makes the deletion fail.
To avoid this issue, return S_OK and set values that represent no snapshots
are deleted by qemu-ga VSS provider.
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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When a VSS requester such as vshadow.exe or diskshadow.exe requests to
create disk snapshots, Windows may choose qemu-ga VSS provider if it is
only provider registered on the system. However, because it provides only a
function to freeze the filesystem, the snapshotting fails.
This patch adds a check into CQGAVssProvider::IsVolumeSupported() to reject
the request from other VSS requesters, so that the other provider is chosen.
The check of requester is done by confirming event channels between
qemu-ga's requester and provider established. To ensure that the events are
initialized when CQGAVssProvider::IsVolumeSupported() is called, it moves
the initialization earlier.
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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OpenEvent and CreateEvent WinAPI return NULL when failed to open/create
events handles, instead of INVALID_HANDLE_VALUE (although their return
types are HANDLE).
This replaces INVALID_HANDLE_VALUE related to event handles with NULL.
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Reviewed-by: Gal Hammer <ghammer@redhat.com>
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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'remotes/pmaydell/tags/pull-target-arm-20140220' into staging
target-arm queue:
* Fix a bug causing an assertion in the NVIC on ARMv7M models
* More A64 Neon instructions
* Refactor cpreg API to separate out access check functions, as
groundwork for AArch64 system mode
* Fix bug in linux-user A64 store-exclusive of XZR
# gpg: Signature made Thu 20 Feb 2014 11:12:57 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20140220: (30 commits)
linux-user: AArch64: Fix exclusive store of the zero register
target-arm: A64: Implement unprivileged load/store
target-arm: A64: Implement narrowing three-reg-diff operations
target-arm: A64: Implement the wide 3-reg-different operations
target-arm: A64: Add most remaining three-reg-diff widening ops
target-arm: A64: Add opcode comments to disas_simd_three_reg_diff
target-arm: A64: Implement store-exclusive for system mode
target-arm: Fix incorrect type for value argument to write_raw_cp_reg
target-arm: Remove failure status return from read/write_raw_cp_reg
target-arm: Remove unnecessary code now read/write fns can't fail
target-arm: Drop success/fail return from cpreg read and write functions
target-arm: Convert miscellaneous reginfo structs to accessfn
target-arm: Convert generic timer reginfo to accessfn
target-arm: Convert performance monitor reginfo to accessfn
target-arm: Split cpreg access checks out from read/write functions
target-arm: Stop underdecoding ARM946 PRBS registers
target-arm: Log bad system register accesses with LOG_UNIMP
target-arm: Remove unused ARMCPUState sr substruct
target-arm: Restrict check_ap() use of S and R bits to v6 and earlier
target-arm: Define names for SCTLR bits
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'remotes/stefanha/tags/qtest-monitor-process-pull-request' into staging
qtest resource cleanup pull request
# gpg: Signature made Wed 19 Feb 2014 14:46:34 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/qtest-monitor-process-pull-request:
qtest: kill QEMU process on g_assert() failure
qtest: make QEMU our direct child process
qtest: drop unused child_pid field
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
Tracing pull request
# gpg: Signature made Wed 19 Feb 2014 15:42:20 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.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: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/tracing-pull-request:
trace-events: Fix typo in "offset"
Add ust generated files to .gitignore
Update documentation for LTTng ust tracing
Adapt Makefiles to the new LTTng ust interface
Modified the tracetool framework for LTTng 2.x
Fix configure script for LTTng 2.x
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This fixes a target-i386 emulation regression
# gpg: Signature made Wed 19 Feb 2014 15:42:12 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream:
target-i386: Fix I/O bitmap checks for in/out
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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* remotes/riku/linux-user-for-upstream:
linux-user: Fix error handling in target_to_host_semarray()
linux-user: Implement BLKPG ioctl
linux-user: Fix error handling in lock_iovec()
linux-user/signal.c: Don't pass sigaction uninitialised sa_flags
linux-user/elfload.c: Avoid calling g_free() on uninitialized data
linux-user: sync syscall numbers upto 3.13
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Win32 doesn't have a cpuid.h, and MacOSX may have one but without
the __cpuid() function we use, which means that commit 9d2eec20
broke the build for those platforms. Fix this by tightening up
our configure cpuid.h check to test that the functions we need
are present, and adding some missing #ifdef guards in
tcg/i386/tcg-target.c.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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- xhci improvements and fixes.
- uhci bugfix.
- cleanups.
# gpg: Signature made Tue 18 Feb 2014 15:48:10 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-usb-3:
xhci: use DPRINTF() instead of fprintf(stderr, ...)
xhci: switch debug printf to tracepoint
xhci iso: allow for some latency
xhci iso: fix time calculation
uhci: invalidate queue on device address changes
xhci: fix overflow in usb_xhci_post_load
usb: Remove magic constants from device bmAttributes
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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* remotes/rth/tcg-next:
tcg/i386: Use SHLX/SHRX/SARX instructions
tcg/i386: Use ANDN instruction
tcg/i386: Add tcg_out_vex_modrm
tcg/i386: Move TCG_CT_CONST_* to tcg-target.c
disas/i386: Disassemble ANDN/SHLX/SHRX/SHAX
tcg/optimize: Add more identity simplifications
tcg/optimize: Optmize ANDC X,Y,Y to MOV X,0
tcg/optimize: Simply some logical ops to NOT
tcg/optimize: Handle known-zeros masks for ANDC
tcg/optimize: add known-zero bits compute for load ops
tcg/optimize: improve known-zero bits for 32-bit ops
tcg/optimize: fix known-zero bits optimization
tcg/optimize: fix known-zero bits for right shift ops
tcg-arm: The shift count of op_rotl_i32 is in args[2] not args[1].
TCG: Fix 32-bit host allocation typo
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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into staging
QOM infrastructure fixes and device conversions
* QTest cleanups and test cases for PCI NICs
* NAND fix for "info qtree"
* Cleanup and extension of QOM machine tests
* IndustryPack test cases and conversion to QOM realize
* I2C cleanups
* Cleanups of legacy qdev properties
# gpg: Signature made Mon 17 Feb 2014 22:15:37 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/qom-devices-for-peter: (49 commits)
qtest: Include system headers before user headers
qapi: Refine human printing of sizes
qdev: Use QAPI type names for properties
qdev: Add enum property types to QAPI schema
block: Handle "rechs" and "large" translation options
qdev: Remove hex8/32/64 property types
qdev: Remove most legacy printers
qdev: Use human mode in "info qtree"
qapi: Add human mode to StringOutputVisitor
qdev: Inline qdev_prop_parse()
qdev: Legacy properties are just strings
qdev: Legacy properties are now read-only
qdev: Remove legacy parsers for hex8/32/64
qdev: Sizes are now parsed by StringInputVisitor
qapi: Add size parser to StringInputVisitor
qtest: Don't segfault with invalid -qtest option
ipack: Move IndustryPack out of hw/char/
ipoctal232: QOM parent field cleanup
ipack: QOM parent field cleanup for IPackDevice
ipack: QOM parent field cleanup for IPackBus
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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* remotes/qmp-unstable/queue/qmp:
monitor: Add object_add class argument completion.
monitor: Add object_del id argument completion.
monitor: Add device_add device argument completion.
monitor: Add device_del id argument completion.
qmp: expose list of supported character device backends
Use error_is_set() only when necessary
QMP: allow JSON dict arguments in qmp-shell
hmp: migrate command (without -d) now blocks correctly
Conflicts:
blockdev.c
[PMM: resolved trivial conflict in blockdev.c]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Implement the unprivileged load and store instructions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement the narrowing three-reg-diff operations: ADDHN,
RADDHN, SUBHN and RSUBHN.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement the wide three-reg-different operations:
SADDW, UADDW, SSUBW and USUBW.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Add the remainder of the 64x64->128 operations in the three-reg-diff
category except for PMULL, PMULL2.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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The opcode switch in disas_simd_three_reg_diff() is missing the
customary comments indicating which cases correspond to which
instructions. Add them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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System mode store-exclusive use a different code path to usermode ones;
implement this missing code, in a similar way to the 32 bit version.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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The write_raw_cp_reg's value argument should be a uint64_t, since
that's what all its callers hand it and what all the functions it
calls take. A (harmless) typo meant we were accidentally declaring
it as int64_t.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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The read_raw_cp_reg and write_raw_cp_reg functions can now never
fail (in fact they should never have failed previously unless
there was a bug in a reginfo that meant no raw accessor was
provided for a might-trap register). This allows us to clean up
their prototypes so the write function returns void and the
read function returns the value read, which in turn lets us
simplify the callers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Now that cpreg read and write functions can't fail and throw an
exception, we can remove the code from the translator that synchronises
the guest PC in case an exception is thrown.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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All cpreg read and write functions now return 0, so we can clean up
their prototypes:
* write functions return void
* read functions return the value rather than taking a pointer
to write the value to
This is a fairly mechanical change which makes only the bare
minimum set of changes to the callers of read and write functions.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Convert the remaining miscellaneous cases of reginfo read/write
functions returning EXCP_UDEF to use an accessfn instead:
TEEHBR, and the ATS address-translation operations.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Convert the reginfo structs for the generic timer registers
to use access functions rather than returning EXCP_UDEF from
their read handlers. In some cases this allows us to remove
a read handler completely.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Convert the performance monitor reginfo definitions to use
an accessfn rather than returning EXCP_UDEF from read and
write functions. This also allows us to fix a couple of XXX
cases where we weren't imposing the access restrictions on
RAZ/WI or constant registers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Several of the system registers handled via the ARMCPRegInfo
mechanism have access trap control bits controlling whether the
registers are accessible to lower privilege levels. Replace
the existing mechanism (allowing the read and write functions
to return EXCP_UDEF if access is denied) with a dedicated
"check access rights" function pointer in the ARMCPRegInfo.
This will allow us to simplify some of the register definitions,
which no longer need read/write functions purely to handle
the access checks.
We take the opportunity to define the return value from the
access checking function in a way that allows us to set the
correct exception syndrome information for exceptions taken
to AArch64 (which may need to distinguish access failures due
to a configurable trap or enable from other kinds of access
failure).
This commit defines the new mechanism but does not move any
of the registers across to use it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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The ARM946 has 8 PRBS (protection region base and size) registers.
Currently we implement these with a CP_ANY reginfo; however this
underdecodes (since there are 16 possible values of CRm but only
8 registers) and we catch the invalid values in the read and
write functions. However this causes issues with migration since
we only migrate the first of a wildcard register set, so we only
migrate c6_region[0]. It also makes it awkward to pull reginfo
access checks out into their own function.
Avoid all these problems by just defining separate reginfo structs
for each of the 8 registers; this also lets us avoid having any
read or write functions and will result in more efficient direct
field accesses from generated code.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Log guest attempts to access unimplemented system registers via
the LOG_UNIMP reporting mechanism (for both the 32 bit and 64 bit
instruction sets). This is particularly useful for debugging
problems where the guest is trying to use a system register that
QEMU doesn't implement.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Remove the 'struct sr' from ARMCPUState -- it isn't actually used and is
a hangover from the original separate system register implementation used
by the SuSE linux-user-mode-only AArch64 target.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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The SCTLR bits S and R (8 and 9) only exist in ARMv6 and earlier.
In ARMv7 these bits RAZ, and in ARMv8 they are reassigned. Guard
the use of them in check_ap() so that we don't get incorrect results
for ARMv8 CPUs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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The SCTLR is full of bits for enabling or disabling various things, and so
there are many places in the code which check if certain bits are set.
Define some named constants for the SCTLR bits so these checks are easier
to read.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Extend the set of CPUs for which we provide a QEMU_KVM_ARM_TARGET_*
constant to include all the ones currently supported by the kernel
headers we are using.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Implement the remaining instructions in the SIMD 3-reg-same
and scalar-3-reg-same groups: FMULX, FRECPS, FRSQRTS, FACGE,
FACGT, FMLA and FMLS.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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The ARMv8 instruction set includes a fused floating point
reciprocal square root step instruction which demands an
"(x * y + z) / 2" fused operation. Support this by adding
a flag to the softfloat muladd operations which requests
that the result is halved before rounding.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Add support for the floating-point pairwise operations
FADDP, FMAXP, FMAXNMP, FMINP and FMINNMP. To do this we use the
code which was previously handling only integer pairwise operations,
and push the integer-specific decode and handling of unallocated
cases up one level in the call tree, so we can also call it from
the floating-point section of the decoder.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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This adds all forms of the SIMD floating point and set instructions:
FCM(GT|GE|EQ|LE|LT)
Most of the heavy lifting is done by either the existing neon helpers or
some new helpers for the 64bit double cases. Most of the code paths are
common although the 2misc versions are a little special as they compare
against zero.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
[PMM: fixed some minor bugs, added the 2-misc-scalar encoding]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement the scalar three different instruction group:
it only has three instructions in it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement the SIMD scalar indexed instructions. The encoding
here is nearly identical to the vector indexed grouping, so
we combine the two.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement the 'long' operations in the vector x indexed
element category.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Implement all the SIMD vector x indexed element instructions
in the subcategory which are not 'long' ops.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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Commit 40d225009ef accidentally changed the behaviour of
gic_acknowledge_irq() for the NVIC. The NVIC doesn't have SGIs,
so this meant we hit an assertion:
gic_acknowledge_irq: Assertion `s->sgi_pending[irq][cpu] != 0' failed.
Return NVIC acknowledge-irq to its previous behaviour, like 11MPCore.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
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Commit 1b90d56e changed the implementation of in/out imm to not assign
the accessed port number to cpu_T[0] as it appeared unnecessary.
However, currently gen_check_io() makes use of cpu_T[0] to implement the
I/O bitmap checks, so it's in fact still used and the change broke the
check, leading to #GP in legitimate cases (and probably also allowing
access to ports that shouldn't be allowed).
This patch reintroduces the missing assignment for these cases.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
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The QEMU process stays running if the test case fails. This patch fixes
the leak by installing a SIGABRT signal handler which invokes
qtest_end().
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
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qtest_init() cannot use exec*p() to launch QEMU since the exec*p()
functions take an argument array while qtest_init() takes char
*extra_args. Therefore we execute /bin/sh -c <command-line> and let the
shell parse the argument string.
This left /bin/sh as our child process and our child's child was QEMU.
We still want QEMU's pid so the -pidfile option was used to let QEMU
report its pid.
The pidfile needs to be unlinked when the test case exits or fails. In
other words, the pidfile creates a new problem for us!
Simplify all this using the shell 'exec' command. It allows us to
replace the /bin/sh process with QEMU. Then we no longer need to use
-pidfile because we already know our fork child's pid.
Note: Yes, it seems silly to exec /bin/sh when we could just exec QEMU
directly. But remember qtest_init() takes a single char *extra_args
command-line fragment instead of a real argv[] array, so we need
/bin/sh's argument parsing behavior.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
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