This patch adds Raspberry Pi 3 support to hw/arm/raspi.c. The
differences to Pi 2 are:
- Firmware address
- Board ID
- Board revision
The CPU is different too, but that's going to be configured as part of
the machine default CPU when we introduce a new machine type.
The patch was written from scratch by me but the logic is similar to
Zoltán Baldaszti's previous work, which I used as a reference (with
permission from the author):
https://github.com/bztsrc/qemu-raspi3
Signed-off-by: Pekka Enberg <penberg@iki.fi>
[PMM: fixed trailing whitespace on one line]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds a "cpu-type" property to BCM2836 SoC in preparation for
reusing the code for the Raspberry Pi 3, which has a different processor
model.
Signed-off-by: Pekka Enberg <penberg@iki.fi>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The v8M architecture includes hardware support for enforcing
stack pointer limits. We don't implement this behaviour yet,
but provide the MSPLIM and PSPLIM stack pointer limit registers
as reads-as-written, so that when we do implement the checks
in future this won't break guest migration.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-12-peter.maydell@linaro.org
In commit abc24d86cc we accidentally broke migration of
the stack pointer value for the mode (process, handler) the CPU
is not currently running as. (The commit correctly removed the
no-longer-used v7m.current_sp flag from the VMState but also
deleted the still very much in use v7m.other_sp SP value field.)
Add a subsection to migrate it again. (We don't need to care
about trying to retain compatibility with pre-abc24d86cc0364f
versions of QEMU, because that commit bumped the version_id
and we've since bumped it again a couple of times.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-11-peter.maydell@linaro.org
In commit commit 3b2e934463 we added support for the AIRCR
register holding state, but forgot to add it to the vmstate
structs. Since it only holds r/w state if the security extension
is implemented, we can just add it to vmstate_m_security.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-10-peter.maydell@linaro.org
In many of the NVIC registers relating to interrupts, we
have to convert from a byte offset within a register set
into the number of the first interrupt which is affected.
We were getting this wrong for:
* reads of NVIC_ISPR<n>, NVIC_ISER<n>, NVIC_ICPR<n>, NVIC_ICER<n>,
NVIC_IABR<n> -- in all these cases we were missing the "* 8"
needed to convert from the byte offset to the interrupt number
(since all these registers use one bit per interrupt)
* writes of NVIC_IPR<n> had the opposite problem of a spurious
"* 8" (since these registers use one byte per interrupt)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180209165810.6668-9-peter.maydell@linaro.org
In commit 50f11062d4 we added support for MSR/MRS access
to the NS banked special registers, but we forgot to implement
the support for writing to CONTROL_NS. Correct the omission.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-8-peter.maydell@linaro.org
We were previously making the system control register (SCR)
just RAZ/WI. Although we don't implement the functionality
this register controls, we should at least provide the state,
including the banked state for v8M.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-7-peter.maydell@linaro.org
M profile cores have a similar setup for cache ID registers
to A profile:
* Cache Level ID Register (CLIDR) is a fixed value
* Cache Type Register (CTR) is a fixed value
* Cache Size ID Registers (CCSIDR) are a bank of registers;
which one you see is selected by the Cache Size Selection
Register (CSSELR)
The only difference is that they're in the NVIC memory mapped
register space rather than being coprocessor registers.
Implement the M profile view of them.
Since neither Cortex-M3 nor Cortex-M4 implement caches,
we don't need to update their init functions and can leave
the ctr/clidr/ccsidr[] fields in their ARMCPU structs at zero.
Newer cores (like the Cortex-M33) will want to be able to
set these ID registers to non-zero values, though.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-6-peter.maydell@linaro.org
The Coprocessor Power Control Register (CPPWR) is new in v8M.
It allows software to control whether coprocessors are allowed
to power down and lose their state. QEMU doesn't have any
notion of power control, so we choose the IMPDEF option of
making the whole register RAZ/WI (indicating that no coprocessors
can ever power down and lose state).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-5-peter.maydell@linaro.org
For M profile cores, cache maintenance operations are done by
writing to special registers in the system register space.
For QEMU, cache operations are always NOPs, since we don't
implement the cache. Implementing these explicitly avoids
a spurious LOG_GUEST_ERROR when the guest uses them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-4-peter.maydell@linaro.org
The PENDNMISET/CLR bits in the ICSR should be RAZ/WI from
NonSecure state if the AIRCR.BFHFNMINS bit is zero. We had
misimplemented this as making the bits RAZ/WI from both
Secure and NonSecure states. Fix this bug by checking
attrs.secure so that Secure code can pend and unpend NMIs.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-3-peter.maydell@linaro.org
Instead of hardcoding the values of M profile ID registers in the
NVIC, use the fields in the CPU struct. This will allow us to
give different M profile CPU types different ID register values.
This commit includes the addition of the missing ID_ISAR5,
which exists as RES0 in both v7M and v8M.
(The values of the ID registers might be wrong for the M4 --
this commit leaves the behaviour there unchanged.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180209165810.6668-2-peter.maydell@linaro.org
When storing to an AdvSIMD FP register, all of the high
bits of the SVE register are zeroed. Therefore, call it
more often with is_q as a parameter.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-6-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This also makes sure that we get the correct ordering of
SVE vs FP exceptions.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-5-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Nothing in either register affects the TB.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-4-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Because they are ARM_CP_STATE_AA64, ARM_CP_64BIT is implied.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180211205848.4568-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
sed's -E option may not be supported by older distros. As there's no
point using sed here at all, use just shell mechanisms to establish the
variable values, starting from the stem instead of the full target.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
We are currently facing some migration failure on s390x when running
certain avocado-vt tests, e.g. when running the test
type_specific.io-github-autotest-qemu.migrate.with_reboot.exec.gzip_exec.
This test is using 'migrate -d "exec:nc localhost 5200"' for the migration.
The problem is detected at the receiving side, where the migration stream
apparently ends too early. However, the cause for the problem is at the
sending side: After writing the migration stream into the pipe to netcat,
the source QEMU calls qio_channel_command_close() which closes the pipe
and immediately (!) kills the child process afterwards (via the function
qio_channel_command_abort()). So if the sending netcat did not read the
final bytes from the pipe yet, or if it did not manage to send out all
its buffers yet, it is killed before the whole migration stream is passed
to the destination side.
QEMU can not know how much time is required by the child process to send
over all migration data, so we should not kill it, neither directly nor
after a delay. Let's simply wait for the child process to exit gracefully
instead (this was also the behaviour of pclose() that was used in "exec:"
migration before the QIOChannel rework).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Add /dev/fdset/ support to QIOChannelFile by calling qemu_open() instead
of open() and qemu_close() instead of close(). There is a subtle
semantic change since qemu_open() automatically sets O_CLOEXEC, but this
doesn't affect any of the users of the function.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
If the file descriptor underlying QIOChannelFile is closed in the
io_close() method, don't close it again in the finalize() method since
the file descriptor number may have been reused in the meantime.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The code wrongly passes the mode to open() only if O_WRONLY is set.
Instead, the mode should be passed when O_CREAT is set (or O_TMPFILE on
Linux). Fix this by always passing the mode since open() will correctly
ignore the mode if it is not needed. Add a testcase which exercises this
bug and also change the existing testcase to check that the mode of the
created file is correct.
Signed-off-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
According to the current implementation of websocket protocol in QEMU,
qio_channel_websock_handshake_io tries to read handshake from the
channel to start communication over socket. But this approach
doesn't cover scenario when socket was closed while handshaking.
Therefore, if G_IO_IN is caught and qio_channel_read returns zero,
error has to be set and connection has to be done.
Such behaviour causes 100% CPU load in main QEMU loop, because main loop
poll continues to receive and handle G_IO_IN events from websocket.
Step to reproduce 100% CPU load:
1) start qemu with the simplest configuration
$ qemu -vnc [::1]:1,websocket=7500
2) open any vnc listener (which doesn't follow websocket
protocol)
$ vncviewer :7500
3) kill listener
4) qemu main thread eats 100% CPU
Signed-off-by: Edgar Kaziakhmedov <edgar.kaziakhmedov@virtuozzo.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
The sources array does not escape out of qio_net_listener_wait_client, so
we have to free it.
Reported by Coverity.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
- Clean-ups by Eric Blake with regards to the global_qtest variable
- Some more test cases for the boot-serial tester
- Re-activation of the m48t59-test
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Merge remote-tracking branch 'remotes/huth/tags/pull-request-2018-02-14' into staging
Various improvements to the qtest checks:
- Clean-ups by Eric Blake with regards to the global_qtest variable
- Some more test cases for the boot-serial tester
- Re-activation of the m48t59-test
# gpg: Signature made Wed 14 Feb 2018 11:07:44 GMT
# gpg: using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg: aka "Thomas Huth <thuth@redhat.com>"
# gpg: aka "Thomas Huth <huth@tuxfamily.org>"
# gpg: aka "Thomas Huth <th.huth@posteo.de>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth/tags/pull-request-2018-02-14:
tests/m48t59: Use the m48t59 test on ppc, too
tests/Makefile: Derive check-qtest-ppc64-y from check-qtest-ppc-y
tests/m48t59: Make the test independent of global_qtest
tests/m48t59: Fix and re-enable the test for sparc
tests/boot-serial-test: Add support for the aarch64 virt machine
tests/boot-serial: Add tests for PowerPC Mac machines
tests/boot-serial: Enable the boot-serial test on SPARC machines, too
wdt_ib700-test: Drop dependence on global_qtest
tests/boot-sector: Drop dependence on global_qtest
qmp-test: Drop dependence on global_qtest
libqos: Use explicit QTestState for remaining libqos operations
libqos: Use explicit QTestState for ahci operations
libqos: Use explicit QTestState for i2c operations
libqos: Use explicit QTestState for rtas operations
libqos: Use explicit QTestState for fw_cfg operations
libqos: Track QTestState with QPCIBus
libqtest: Use qemu_strtoul()
tests: Clean up wait for event
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
It is possible for rate limited writes to keep overshooting a slice's
quota by a tiny amount causing the slice-aligned waiting period to
effectively halve the rate.
Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Message-id: 20180207071758.6818-1-w.bumiller@proxmox.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Commit dce8921b2b ("iothread: Stop threads
before main() quits") introduced iothread_stop_all() to avoid the
following virtio-scsi assertion failure:
assert(blk_get_aio_context(d->conf.blk) == s->ctx);
Back then the assertion failed because when bdrv_close_all() made
d->conf.blk NULL, blk_get_aio_context() returned the global AioContext
instead of s->ctx.
The same assertion can still fail today when vcpus submit new I/O
requests after iothread_stop_all() has moved the BDS to the global
AioContext.
This patch hardens the iothread_stop_all() approach by pausing vcpus
before calling iothread_stop_all().
Note that the assertion failure is a race condition. It is not possible
to reproduce it reliably.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20180201110708.8080-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The ref405ep machine has a memory-mapped m48t59 device, so
we can run the m48t59 test on this machine, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Stop using the functions that require global_qtest here and pass
around the QTestState instead (global_qtest should finally get
removed since this causes problems with tests running in parallel).
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The m48t59 test has been disabled in commit baeddded5f
("sparc: disable qtest in make check"), likely due to some timing issues
in the bcd_check_time tests which might fail if it gets interrupted for
too long. It should be OK to re-enable this test if we make sure that we
do not run it on timing-sensitive machines, thus it should be OK if we only
run it in the g_test_slow() mode.
Additionally, there are two other issues:
First, the test can not run so easily on sparc64 anymore, since commit
f3b18f35a2 ("sun4u: switch m48t59 NVRAM to MMIO access")
moved the m48t59 device to the ebus instead, and for this you first
have to set up the corresponding PCI device (which is currently not
possible from within the m48t59 test). So we can only re-enable this
test on sparc, but not the sparc64 target.
Second, the fuzzing test is executed before the bcd-check-time test
(due to the naming of the tests), without having the base address set
up properly, so the fuzzing test does not really check anything at all.
Fix it by setting up the base address from the main function already
and by moving the qtest_start() to the tests themselves, so that each
test starts with a clean environment (since after the fuzzing, the clock
is unusable for the bcd-check-time test).
Signed-off-by: Thomas Huth <thuth@redhat.com>
This patch adds a small binary kernel to test aarch64 virt machine's
UART.
Signed-off-by: Wei Huang <wei@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[thuth: Fixed contextual conflicts with the hppa and sdhci patches]
Signed-off-by: Thomas Huth <thuth@redhat.com>
OpenBIOS prints out the CPU type on these machine types, so we can use
this string to test whether the CPU detection is working correctly.
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
OpenBIOS prints out the name of the detected CPU here, so looking for
this string is a nice test to verify that the CPU detection is still
working correctly.
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
As a general rule, we prefer avoiding implicit global state
because it makes code harder to safely copy and paste without
thinking about the global state. Improve this test to be
explicit about the state.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
As a general rule, we prefer avoiding implicit global state
because it makes code harder to safely copy and paste without
thinking about the global state. Adjust the helper code to
use explicit state instead, and update all callers.
Fix some trailing whitespace while touching the file.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
As a general rule, we prefer avoiding implicit global state
because it makes code harder to safely copy and paste without
thinking about the global state. Although qmp-test does not
maintain parallel qtest connections, it was the last test
assigning to global_qtest. It's just as easy to be explicit
about the state; once all tests have been cleaned up, a later
patch can then get rid of global_qtest and a layer of wrappers
in libqtest.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Drop one more client of global_qtest by teaching all remaining
libqos stragglers to pass in an explicit QTestState. Change the
setting of global_qtest from being implicit in libqos' call to
qtest_start() to instead be explicit in all clients that are
still relying on global_qtest.
Note that qmp_execute() can be greatly simplified in the process,
and that we also get rid of interpolation of a JSON string into a
temporary variable when qtest_qmp() can do it more reliably.
Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: Greg Kurz <groug@kaod.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Drop one more client of global_qtest by teaching all ahci test
functionality to pass in an explicit QTestState. The state was
already available, so no callers had to be adjusted.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Drop one more client of global_qtest by teaching all i2c test
functionality to pass in an explicit QTestState, adjusting all
callers.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Drop one more client of global_qtest by teaching all rtas test
functionality to pass in an explicit QTestState, adjusting all
callers.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Use nicer indentation in rtas.h]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Drop one more client of global_qtest by teaching all fw_cfg test
functionality (invoked through alloc-pc) to pass in an explicit
QTestState, adjusting all callers. In particular, fw_cfg-test
had to reorder things to create the test state prior to creating
the fw_cfg (and drop a pointless strdup in the meantime), but that
test now no longer depends on global_qtest.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Fixed conflict wrt pc_alloc_init() in vhost-user-test.c]
Signed-off-by: Thomas Huth <thuth@redhat.com>
When initializing a QPCIBus, track which QTestState the bus is
associated with (so that a later patch can then explicitly use
that test state for all communication on the bus, rather than
blindly relying on global_qtest). Update the initialization
functions to take another parameter, and update all callers to
pass in state (for now, most callers get away with passing the
current global_qtest as the current state, although this required
fixing the order of initialization to ensure qtest_start() is
called before qpci_init*() in rtl8139-test, and provided an
opportunity to pass in the allocator in e1000e-test).
Touch up some allocations to use g_new0() rather than g_malloc()
while in the area, and simplify some code (all implementations
of QOSOps provide a .init_allocator() that never fails).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Removed hunk from vhost-user-test.c that is not required anymore,
fixed conflict in qtest_vboot() and adjusted qpci_init_pc() in sdhci-test]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Let the callers take the object, then pass it to migrate_init().
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180208103132.28452-12-peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
