Commit Graph

68462 Commits

Author SHA1 Message Date
Richard Henderson c8877d0f2f target/arm: Set SIMDMISC and FPMISC for 32-bit -cpu max
Fixes: https://bugs.launchpad.net/bugs/1821430
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190325161338.6536-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26 12:53:26 +00:00
Peter Maydell d37bfe1423 A second RISC-V Patch for 4.0.0-rc1
Sorry for sending two back-to-back pull requests.  It looks like I
 misunderstood Kito and there were actually two patches necessary to fix
 the GCC test suite runs.
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 =negc
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-4.0-rc1-v2' into staging

A second RISC-V Patch for 4.0.0-rc1

Sorry for sending two back-to-back pull requests.  It looks like I
misunderstood Kito and there were actually two patches necessary to fix
the GCC test suite runs.

# gpg: Signature made Tue 26 Mar 2019 10:20:20 GMT
# gpg:                using RSA key 00CE76D1834960DFCE886DF8EF4CA1502CCBAB41
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmer@sifive.com>" [unknown]
# 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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41

* remotes/palmer/tags/riscv-for-master-4.0-rc1-v2:
  target/riscv: Fix wrong expanding for c.fswsp

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26 10:27:20 +00:00
Kito Cheng 620455350a
target/riscv: Fix wrong expanding for c.fswsp
base register is no rs1 not rs2 for fsw.

Signed-off-by: Kito Cheng <kito.cheng@gmail.com>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2019-03-26 03:17:30 -07:00
Peter Maydell 527266f324 Pflash and firmware configuration patches for 2019-03-26
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 l0DORlj2xnxoNh1tD/7X
 =aGX9
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-pflash-2019-03-26' into staging

Pflash and firmware configuration patches for 2019-03-26

# gpg: Signature made Tue 26 Mar 2019 07:21:13 GMT
# gpg:                using RSA key 3870B400EB918653
# 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-pflash-2019-03-26:
  pflash: Bury disabled code to limit device sizes
  pflash: Require backend size to match device, improve errors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26 09:57:07 +00:00
Peter Maydell 199f8d94be Miscellaneous patches for 2019-03-26
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 =v8KN
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/armbru/tags/pull-misc-2019-03-26' into staging

Miscellaneous patches for 2019-03-26

# gpg: Signature made Tue 26 Mar 2019 07:10:23 GMT
# gpg:                using RSA key 3870B400EB918653
# 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-misc-2019-03-26:
  qapi/qmp-dispatch: fix return value in do_qmp_dispatch
  json: Fix off-by-one assert check in next_state()
  xen-block: Replace qdict_put_obj() by qdict_put() where appropriate
  util/error: Remove an unnecessary NULL check

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26 09:28:24 +00:00
Peter Maydell 4aef519639 A Single RISC-V Patch for 4.0-rc1
If this is too late I'm OK with it being in rc2, but it fixes a concrete
 regression and nobody has complained yet so I'd prefer it to be in rc1
 if possible.
 
 The fix is to zero-extend the inputs to DIVUW and REMUW, which was
 exposed by the GCC test suite.
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 =wgpv
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-4.0-rc1' into staging

A Single RISC-V Patch for 4.0-rc1

If this is too late I'm OK with it being in rc2, but it fixes a concrete
regression and nobody has complained yet so I'd prefer it to be in rc1
if possible.

The fix is to zero-extend the inputs to DIVUW and REMUW, which was
exposed by the GCC test suite.

# gpg: Signature made Tue 26 Mar 2019 05:54:20 GMT
# gpg:                using RSA key 00CE76D1834960DFCE886DF8EF4CA1502CCBAB41
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmer@sifive.com>" [unknown]
# 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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41

* remotes/palmer/tags/riscv-for-master-4.0-rc1:
  target/riscv: Zero extend the inputs of divuw and remuw

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-26 08:51:35 +00:00
Alex Bennée 3f905a5bba pflash: Bury disabled code to limit device sizes
We disabled code to limit device sizes to 8, 16, 32 or 64MiB more than
a decade ago in commit 95d1f3edd5 and c8b153d794, v0.9.1.  Bury.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
[Extracted from a larger patch, extended to pflash_cfi02.c]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190319163551.32499-3-armbru@redhat.com>
2019-03-26 08:16:24 +01:00
Markus Armbruster 06f1521795 pflash: Require backend size to match device, improve errors
We reject undersized backends with a rather enigmatic "failed to read
the initial flash content" error.  For instance:

    $ qemu-system-ppc64 -S -display none -M sam460ex -drive if=pflash,format=raw,file=eins.img
    qemu-system-ppc64: Initialization of device cfi.pflash02 failed: failed to read the initial flash content

We happily accept oversized images, ignoring their tail.  Throwing
away parts of firmware that way is pretty much certain to end in an
even more enigmatic failure to boot.

Require the backend's size to match the device's size exactly.  Report
mismatch like this:

    qemu-system-ppc64: Initialization of device cfi.pflash01 failed: device requires 1048576 bytes, block backend provides 512 bytes

Improve the error for actual read failures to "can't read block
backend".

To avoid duplicating even more code between the two pflash device
models, do all that in new helper blk_check_size_and_read_all().

The error reporting can still be confusing.  For instance:

    qemu-system-ppc64 -S -display none -M taihu -drive if=pflash,format=raw,file=eins.img  -drive if=pflash,unit=1,format=raw,file=zwei.img
    qemu-system-ppc64: Initialization of device cfi.pflash02 failed: device requires 2097152 bytes, block backend provides 512 bytes

Leaves the user guessing which of the two -drive is wrong.  Mention
the issue in a TODO comment.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190319163551.32499-2-armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
2019-03-26 08:16:24 +01:00
Vladimir Sementsov-Ogievskiy 413aeacd4b qapi/qmp-dispatch: fix return value in do_qmp_dispatch
There are no harm but just looks weird to return bool in
pointer-returning function. Introduced in 69240fe62d with the whole
failure-checking "if" chunk.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20190325154748.66381-1-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-03-26 08:10:11 +01:00
Liam Merwick 19e8ff485a json: Fix off-by-one assert check in next_state()
The assert checking if the value of lexer->state in next_state(),
which is used as an index to the 'json_lexer' array, incorrectly
checks for an index value less than or equal to ARRAY_SIZE(json_lexer).
Fix assert so that it just checks for an index less than the array size.

Signed-off-by: Liam Merwick <liam.merwick@oracle.com>
Message-Id: <1553169472-25325-1-git-send-email-liam.merwick@oracle.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-03-26 08:10:11 +01:00
Markus Armbruster ad85b0b4c7 xen-block: Replace qdict_put_obj() by qdict_put() where appropriate
Patch created mechanically by rerunning:

    $ spatch --sp-file scripts/coccinelle/qobject.cocci \
             --macro-file scripts/cocci-macro-file.h \
             --dir hw/block --in-place

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190313174433.12966-1-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
2019-03-26 08:10:11 +01:00
Philippe Mathieu-Daudé 57b7291e90 util/error: Remove an unnecessary NULL check
This NULL check was required while introduced in 680d16dcb7.
Later refactor added a NULL check in error_setv(), so this check
is now redundant.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190302223825.11192-2-philmd@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2019-03-26 08:10:11 +01:00
Peter Maydell 7e9a2137ce Pull request
- Rebase last pull request
 - Drop multifd
 - several other minor fixesLaLaLa
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration-pull-request' into staging

Pull request

- Rebase last pull request
- Drop multifd
- several other minor fixesLaLaLa

# gpg: Signature made Mon 25 Mar 2019 17:46:29 GMT
# gpg:                using RSA key F487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>" [full]
# gpg:                 aka "Juan Quintela <quintela@trasno.org>" [full]
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03  4B82 F487 EF18 5872 D723

* remotes/juanquintela/tags/migration-pull-request:
  migration/postcopy: Update the bandwidth during postcopy
  Migration/colo.c: Make user obtain the last COLO mode info after failover
  Migration/colo.c: Add the necessary checks for colo_do_failover
  Migration/colo.c: Add new COLOExitReason to handle all failover state
  Migration/colo.c: Fix COLO failover status error
  migration/rdma: Check qemu_rdma_init_one_block
  migration: add support for a "tls-authz" migration parameter
  multifd: Drop x-
  multifd: Add some padding
  multifd: Change default packet size
  multifd: Be flexible about packet size
  multifd: Drop x-multifd-page-count parameter
  multifd: Create new next_packet_size field
  multifd: Rename "size" member to pages_alloc
  multifd: Only send pages when packet are not empty

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 18:15:43 +00:00
Dr. David Alan Gilbert c38c1c142e migration/postcopy: Update the bandwidth during postcopy
The recently added max-postcopy-bandwidth parameter is only read
at the transition from precopy->postcopy where as the older
max-bandwidth parameter updates the migration bandwidth when changed
even if the migration is already running.

Fix this discrepency so that:
  a) You can change the bandwidth during postcopy by setting
     max-postcopy-bandwidth

  b) Changing max-bandwidth during postcopy has no effect
     (it currently changes the postcopy bandwidth which isn't
     expected).

Fixes: 7e555c6c
bz: https://bugzilla.redhat.com/show_bug.cgi?id=1686321
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:46:03 +01:00
Zhang Chen 5ed0deca41 Migration/colo.c: Make user obtain the last COLO mode info after failover
Add the last_colo_mode to save the status after failover.
This patch can solve the issue that user want to get last colo mode
use query_colo_status after failover.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:45:46 +01:00
Zhang Chen 82cd368ccd Migration/colo.c: Add the necessary checks for colo_do_failover
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:45:38 +01:00
Zhang Chen 3a43ac4757 Migration/colo.c: Add new COLOExitReason to handle all failover state
In this patch we add the processing state for COLOExitReason,
because we have to identify COLO in the failover processing state or
failover error state. In the way, we can handle all the failover state.
We have improved the description of the COLOExitReason by the way.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:45:30 +01:00
Zhang Chen 1fe6ab267f Migration/colo.c: Fix COLO failover status error
When finished COLO failover, the status is FAILOVER_STATUS_COMPLETED.
The origin codes misunderstand the FAILOVER_STATUS_REQUIRE.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:45:23 +01:00
Dr. David Alan Gilbert 281496bb8a migration/rdma: Check qemu_rdma_init_one_block
Actually it can't fail at the moment, but Coverity moans that
it's the only place it's not checked, and it's an easy check.

Reported-by: Coverity (CID 1399413)
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:45:10 +01:00
Daniel P. Berrange d2f1d29b95 migration: add support for a "tls-authz" migration parameter
The QEMU instance that runs as the server for the migration data
transport (ie the target QEMU) needs to be able to configure access
control so it can prevent unauthorized clients initiating an incoming
migration. This adds a new 'tls-authz' migration parameter that is used
to provide the QOM ID of a QAuthZ subclass instance that provides the
access control check. This is checked against the x509 certificate
obtained during the TLS handshake.

For example, when starting a QEMU for incoming migration, it is
possible to give an example identity of the source QEMU that is
intended to be connecting later:

  $QEMU \
     -monitor stdio \
     -incoming defer \
     ...other args...

  (qemu) object_add tls-creds-x509,id=tls0,dir=/home/berrange/qemutls,\
             endpoint=server,verify-peer=yes \
  (qemu) object_add authz-simple,id=auth0,identity=CN=laptop.example.com,,\
             O=Example Org,,L=London,,ST=London,,C=GB \
  (qemu) migrate_incoming tcp:localhost:9000

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:47 +01:00
Juan Quintela cbfd6c957a multifd: Drop x-
We make it supported from now on.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:45 +01:00
Juan Quintela 5fbd8b4bbb multifd: Add some padding
Add some padding.
MultifdInit_t is padded to 64 bytes.
MultiFDPacket_t is padded to 320bytes (64 * 5).

Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:44 +01:00
Juan Quintela 4b0c72645c multifd: Change default packet size
We moved from 64KB to 512KB, as it makes less locking contention
without any downside in testing.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:43 +01:00
Juan Quintela 7ed379b286 multifd: Be flexible about packet size
This way we can change the packet size in the future and everything
will work.  We choose an arbitrary big number (100 times configured
size) as a limit about how big we will reallocate.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:42 +01:00
Juan Quintela efd1a1d640 multifd: Drop x-multifd-page-count parameter
Libvirt don't want to expose (and explain it).  From now on we measure
the number of packages in bytes instead of pages, so it is the same
independently of architecture.  We choose the page size of x86.
Notice that in the following patch we make this variable.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:41 +01:00
Juan Quintela 2a34ee593b multifd: Create new next_packet_size field
We need to send this field when we add compression support.  As we are
still on x- stage, we can do this kind of changes.

Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:39 +01:00
Juan Quintela 6f86269295 multifd: Rename "size" member to pages_alloc
It really indicates what is the number of allocated pages for one
packet.  Once there rename "used" to "pages_used".

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:38 +01:00
Juan Quintela ad24c7cb59 multifd: Only send pages when packet are not empty
We send packages without pages sometimes for sysnchronizanion.  The
iov functions do the right thing, but we will be changing this code in
future patches.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
2019-03-25 18:13:37 +01:00
Peter Maydell d132baa05e Pull request
Compilation fixes and cleanups for QEMU 4.0.0.
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

Pull request

Compilation fixes and cleanups for QEMU 4.0.0.

# gpg: Signature made Mon 25 Mar 2019 15:58:28 GMT
# gpg:                using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  trace-events: Fix attribution of trace points to source
  trace-events: Delete unused trace points
  scripts/cleanup-trace-events: Update for current practice
  trace-events: Shorten file names in comments
  trace-events: Consistently point to docs/devel/tracing.txt
  trace: avoid SystemTap dtrace(1) warnings on empty files
  trace: handle tracefs path truncation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 17:01:10 +00:00
Peter Maydell 50ccc488b0 target-arm queue:
* Fix non-parallel expansion of CASP
  * nrf51_gpio: reflect pull-up/pull-down to IRQs
  * Fix crash if guest tries to enable non-existent PMU counters
  * Add PMUv2 to the Cortex-A15 and Cortex-A7
  * Make pmccntr_op_start/finish static
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190325' into staging

target-arm queue:
 * Fix non-parallel expansion of CASP
 * nrf51_gpio: reflect pull-up/pull-down to IRQs
 * Fix crash if guest tries to enable non-existent PMU counters
 * Add PMUv2 to the Cortex-A15 and Cortex-A7
 * Make pmccntr_op_start/finish static

# gpg: Signature made Mon 25 Mar 2019 14:19:47 GMT
# 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-20190325:
  target/arm: make pmccntr_op_start/finish static
  target/arm: cortex-a7 and cortex-a15 have pmus
  target/arm: fix crash on pmu register access
  target/arm: add PCI_TESTDEV back to default config
  nrf51_gpio: reflect pull-up/pull-down to IRQs
  target/arm: Fix non-parallel expansion of CASP

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 15:58:49 +00:00
Andrew Jones f2b2f53f64 target/arm: make pmccntr_op_start/finish static
These functions are not used outside helper.c

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190322162333.17159-4-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:47 +00:00
Andrew Jones a46118fc16 target/arm: cortex-a7 and cortex-a15 have pmus
cortex-a7 and cortex-a15 have pmus (PMUv2) and they advertise
them in ID_DFR0. Let's allow them to function. This also enables
the pmu cpu property to work with these cpu types, i.e. we can
now do '-cpu cortex-a15,pmu=off' to remove the pmu.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190322162333.17159-3-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:47 +00:00
Andrew Jones cbbb3041fe target/arm: fix crash on pmu register access
Fix a QEMU NULL derefence that occurs when the guest attempts to
enable PMU counters with a non-v8 cpu model or a v8 cpu model
which has not configured a PMU.

Fixes: 4e7beb0cc0 ("target/arm: Add a timer to predict PMU counter overflow")
Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190322162333.17159-2-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:47 +00:00
Andrew Jones da77e0fad4 target/arm: add PCI_TESTDEV back to default config
In the kconfig shuffle arm lost pci-testdev which is used by
kvm-unit-tests. Let's add it back.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20190322163059.9716-1-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:46 +00:00
Paolo Bonzini 4261b2f915 nrf51_gpio: reflect pull-up/pull-down to IRQs
Some drivers do I2C bitbanging by keeping the output to 0 and flipping
the GPIO direction between input and output (see for example in Linux
gpio_set_open_drain_value_commit, in drivers/gpio/gpiolib.c).
When the GPIO is set to input, the pull-up resistor brings the output
to 1, while when the GPIO is set to output, the output driver brings
the output to 0.

Implement this for the nRF51 GPIO device model.  First, if both input and
output are floating, and there is a pull-up or pull-down resistor
configured, do not just set s->in, but also make any devices listening
on the output qemu_irq receive that value.  Second, if the pin is
driven both internally (output pin) and externally you don't get a
short circuit if both sides drive the pin to the same value.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190317141001.3346-1-pbonzini@redhat.com
[PMM: wrapped long line]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:46 +00:00
Richard Henderson a036f5302c target/arm: Fix non-parallel expansion of CASP
The second word has been loaded from the unincremented
address since the first commit.

Fixes: 44ac14b06f
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20190322234302.12770-1-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 14:16:46 +00:00
Peter Maydell adb3321bfd Mix of testing & fpu fixes
- more splitting of Travis matric to avoid timeouts
   - Fused Multiply-Add fixes for MIPS and hardfloat
   - cleanups to docker travis emulation
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-fpu-fixes-250319-1' into staging

Mix of testing & fpu fixes

  - more splitting of Travis matric to avoid timeouts
  - Fused Multiply-Add fixes for MIPS and hardfloat
  - cleanups to docker travis emulation

# gpg: Signature made Mon 25 Mar 2019 10:44:44 GMT
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-and-fpu-fixes-250319-1:
  docker: trivial changes to `make docker` help
  docker: Fix travis script unable to find source dir
  docker: Fix travis.py parser and misc change
  hardfloat: fix float32/64 fused multiply-add
  target/mips: Fix minor bug in FPU
  .travis.yml: reduce number of targets built while disabling things
  .travis.yml: --disable-user for --without-default-devices
  .travis.yml: split some more system builds
  configure: add --target-list-exclude

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 13:31:13 +00:00
Wainer dos Santos Moschetta 87db901820 docker: trivial changes to `make docker` help
Apply double quotes and period punctuation uniformly.

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20190321212528.6100-1-wainersm@redhat.com>
Reviewed-by: Fam Zheng <fam@euphon.net>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-03-25 10:39:19 +00:00
Wainer dos Santos Moschetta a6de52ac7a docker: Fix travis script unable to find source dir
The script generated from QEMU_SRC/.travis.yml uses BUILD_DIR and
SRC_DIR path relative to the current dir, unless these variables
are exported in environment.

Since commit 05790dafef BUILD_DIR is exported in the runner script,
although SRC_DIR is not, so that make docker-travis fails becase
the reference to source dir is wrong. So let's unset both BUILD_DIR
and SRC_DIR before calling the script, given it is executed from
the source dir already (as in Travis).

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20190320221207.11366-3-wainersm@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-03-25 10:35:42 +00:00
Wainer dos Santos Moschetta e8ced6813d docker: Fix travis.py parser and misc change
Fixed the travis.py script that has failed to parse the current
QEMU_SRC/.travis.yml file. It no longer makes combinations from
env/matrix, instead it uses explicit includes. Also the compiler
can be omitted from matrix/include, so that Travis chooses the
first entry of the global compiler list.

Replaced yaml.load() with yaml.safe_load() so that quieting the
following deprecation warning:
https://github.com/yaml/pyyaml/wiki/PyYAML-yaml.load(input)-Deprecation

Signed-off-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Message-Id: <20190320221207.11366-2-wainersm@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-03-25 10:35:42 +00:00
Kito Cheng 896f51fbfa hardfloat: fix float32/64 fused multiply-add
Before falling back to softfloat FMA, we do not restore the original
values of inputs A and C. Fix it.

This bug was caught by running gcc's testsuite on RISC-V qemu.

Note that this change gives a small perf increase for fp-bench:

  Host: Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
  Command: perf stat -r 3 taskset -c 0 ./fp-bench -o mulAdd -p $prec

- $prec = single:
  - before:
    101.71 MFlops
    102.18 MFlops
    100.96 MFlops
  - after:
    103.63 MFlops
    103.05 MFlops
    102.96 MFlops

- $prec = double:
  - before:
    173.10 MFlops
    173.93 MFlops
    172.11 MFlops
  - after:
    178.49 MFlops
    178.88 MFlops
    178.66 MFlops

Signed-off-by: Kito Cheng <kito.cheng@gmail.com>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20190322204320.17777-1-cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-03-25 10:35:32 +00:00
Mateja Marjanovic 7ca96e1a9c target/mips: Fix minor bug in FPU
Wrong type of NaN was generated for IEEE 754-2008 by MADDF.<D|S> and
MSUBF.<D|S> instructions when the arguments were (Inf, Zero, NaN) or
(Zero, Inf, NaN).

The if-else statement establishes if the system conforms to IEEE
754-1985 or IEEE 754-2008, and defines different behaviors depending
on that. In case of IEEE 754-2008, in mentioned cases of inputs,
<MADDF|MSUBF>.<D|S> returns the input value 'c' [2] (page 53) and
raises floating point exception 'Invalid Operation' [1] (pages 349,
350).

These scenarios were tested and the results in QEMU emulation match
the results obtained on the machine that has a MIPS64R6 CPU.

[1] MIPS Architecture for Programmers Volume II-a: The MIPS64
    Instruction Set Reference Manual, Revision 6.06
[2] MIPS Architecture for Programmers Volume IV-j: The MIPS64
    SIMD Architecture Module, Revision 1.12

Signed-off-by: Mateja Marjanovic <mateja.marjanovic@rt-rk.com>
Message-Id: <1553008916-15274-2-git-send-email-mateja.marjanovic@rt-rk.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[AJB: fixed up commit message]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2019-03-25 10:34:48 +00:00
Alex Bennée aec2927dda .travis.yml: reduce number of targets built while disabling things
This build keeps timing out on Travis and it's unlikely including the
additional guest front-ends will catch any failures in the fallback
code.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
2019-03-25 10:34:46 +00:00
Alex Bennée 386dc51492 .travis.yml: --disable-user for --without-default-devices
This is essentially a softmmu tweak so don't bother building
linux-user builds as well.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
2019-03-25 10:34:44 +00:00
Alex Bennée 8c3daf975b .travis.yml: split some more system builds
We define a new class of targets (MAIN_SOFTMMU_TARGETS) to cover the
major architectures. We either just build those or use the new
target-list-exclude mechanism to remove them from the list. This will
hopefully stop some of the longer builds hitting the Travis timeout
limit.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
2019-03-25 10:34:41 +00:00
Alex Bennée 447e133f7a configure: add --target-list-exclude
This is an inverse selection which excludes a selected set of targets
from the default target list. It will mostly be useful for CI
configurations but it might be useful for some users as well.

You cannot specify --target-list and --target-list-exclude at the same
time.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
2019-03-25 10:34:38 +00:00
Peter Maydell c442b7b4a7 slirp: clarify license of slirp as BSD-3
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Merge remote-tracking branch 'remotes/elmarco/tags/slirp-pull-request' into staging

slirp: clarify license of slirp as BSD-3

# gpg: Signature made Fri 22 Mar 2019 19:16:50 GMT
# gpg:                using RSA key DAE8E10975969CE5
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* remotes/elmarco/tags/slirp-pull-request:
  slirp: is not maintained by Kelly Price for a long time
  slirp: remove reference to COPYRIGHT file
  slirp: clarify license of slirp files using SPDX: implicit via unstated
  slirp: clarify license of slirp files using SPDX: implicit via COPYRIGHT
  slirp: clarify license of slirp files using SPDX: explicit MIT
  slirp: clarify license of slirp files using SPDX: explicit BSD
  slirp: relicense GPL files to BSD-3
  slirp: update COPYRIGHT to use full 3-Clause BSD License

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2019-03-25 07:59:40 +00:00
Marc-André Lureau 7849f0c2ec slirp: is not maintained by Kelly Price for a long time
slirp has been maintained by the QEMU maintainers and will be
maintained under an independent project soon.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kelly Price <strredwolf@gmail.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
2019-03-22 17:31:42 +01:00
Marc-André Lureau 0c4cc4e218 slirp: remove reference to COPYRIGHT file
The slirp COPYRIGHT file is a BSD-3 license. Instead of referring to
another project file, the SPDX license notice present in all source
files states that unequivocally.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2019-03-22 17:31:42 +01:00
Marc-André Lureau dfacac4c81 slirp: clarify license of slirp files using SPDX: implicit via unstated
Add SPDX license identifier to clarify the license of files without
explicit license header.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
2019-03-22 17:31:42 +01:00