In file included from /home/thuth/devel/qemu/hw/timer/aspeed_timer.c:16:
/home/thuth/devel/qemu/include/hw/misc/aspeed_scu.h:37:3: error:
redefinition of typedef 'AspeedSCUState' is a C11 feature
[-Werror,-Wtypedef-redefinition]
} AspeedSCUState;
^
/home/thuth/devel/qemu/include/hw/timer/aspeed_timer.h:27:31: note:
previous definition is here
typedef struct AspeedSCUState AspeedSCUState;
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180921161939.822-2-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add 'break' statements missing from a switch in the APB dual-timer
write function. Spotted by Coverity as CID 1395626 and 1395633.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180924123122.14549-1-peter.maydell@linaro.org
The only difference between our implementation of the pcnet ioport
accessors and the mmio accessors is that the former check BCR_DWIO to
see what access widths are permitted for addresses in the aprom range
(0x0..0xf). In fact our failure to do this in the mmio accessors
is a bug (one which was fixed for the ioport accessors in
commit 7ba7974197 in 2011).
The data sheet for the Am79C970A does not describe the DWIO
bit as only applying for I/O space mapped I/O resources and
not memory mapped I/O resources, and our MMIO accessors already
honour DWIO for accesses in the 0x10..0x1f range (since the
pcnet_ioport_{read,write}{w,l} functions check it).
The data sheet for the later but compatible Am79C976 is clearer:
it states specifically "DWIO mode applies to both I/O- and
memory-mapped acceses." This seems to be reasonable evidence
in favour of interpretating the Am79C970A spec as being the same.
(NB: Linux's pcnet driver only supports I/O accesses, so the
MMIO access part of this device is probably untested anyway.)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Convert the pcnet-pci device away from using the old_mmio
MemoryRegionOps accessor functions.
This commit is a no-behaviour-change API conversion.
(Since PCNET_PNPMMIO_SIZE is 0x20, the old "addr & 0x10"
check and the new "addr < 0x10" check are exact opposites;
the new code is phrased to be parallel with the
pcnet_io_read/write functions.)
I have left a TODO comment marker because the similarity
between the MMIO and IO accessor behaviour is suspicious
and they could be combined, but this will be left to a
different patch.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The GIC_BASE_IRQ macro is a leftover from when we shared code
between the GICv2 and the v7M NVIC. Since the NVIC is now
split off, GIC_BASE_IRQ is always 0, and we can just delete it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Message-id: 20180824161819.11085-1-peter.maydell@linaro.org
The GICv2's QEMU interface (sysbus MMIO regions, IRQs,
etc) is now quite complicated with the addition of the
virtualization extensions. Add a comment in the header
file which documents it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Message-id: 20180823103818.31189-1-peter.maydell@linaro.org
The event queue management is broken today. Event records
are not properly written as EVT_SET_* macro was not updating
the actual event record. Also the event queue interrupt
is not correctly triggered.
Fixes: bb981004ea ("hw/arm/smmuv3: Event queue recording helper")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20180921070138.10114-3-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
At the point smmu_find_add_as() gets called, the bus number might
not be computed. Let's change the name of IOMMU memory region and
just use the devfn and an incrementing index.
The name only is used for debug.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20180921070138.10114-2-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: changed 'uint' to 'unsigned int']
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The AST2500 datasheet says:
I2CD10 Interrupt Status Register
bit 2 Receive Done Interrupt status
S/W needs to clear this status bit to allow next data receiving
The Rx interrupt done interrupt status bit needs to be cleared
explicitly before the next byte can be received, and must therefore
not be auto-cleared. Also, receiving the next byte must be delayed
until the bit has been cleared.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180914063506.20815-4-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Receive command handling may have to be deferred if a previous receive
done interrupt was not yet acknowledged. Move receive command handling
into a separate function to prepare for the necessary changes.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180914063506.20815-3-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
aspeed i2c interrupts should be cleared by software only, and the bus
interrupt should be lowered when all interrupts have been cleared.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-id: 20180914063506.20815-2-clg@kaod.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: drop TODO comment describing an issue which is
fixed later in the patch series, and clean up commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This adds the base for a machine model of the BBC micro:bit:
https://en.wikipedia.org/wiki/Micro_Bit
This is a system with a nRF51 SoC containing the main processor, with
various peripherals on board.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20180831220920.27113-4-joel@jms.id.au
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The nRF51 is a Cortex-M0 microcontroller with an on-board radio module,
plus other common ARM SoC peripherals.
http://infocenter.nordicsemi.com/pdf/nRF51_RM_v3.0.pdf
This defines a basic model of the CPU and memory, with no peripherals
implemented at this stage.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20180831220920.27113-3-joel@jms.id.au
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: wrapped a few long lines]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This contains the NRF51, and the machine that uses it, the BBC
micro:bit.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Message-id: 20180831220920.27113-2-joel@jms.id.au
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Like commit 16b4226(hw/acpi-build: Add a check for memory-less NUMA node
), it also needs to check memory length for NUMA nodes on ARM.
Signed-off-by: Shannon Zhao <shannon.zhaosl@gmail.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 20180911112643.19296-1-shenglong.zsl@alibaba-inc.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
commit 97274d0c05 ("hw/char/exynos4210_uart.c: Remove unneeded
handling of NULL chardev") broke Exynos4210 support as it removed
NULL 'Chardev *chr' handling from exynos4210_uart_create() and
currently exynos4210_init() always passes NULL as 'Chardev *chr'
argument to exynos4210_uart_create() calls. Fix it by adding
missing serial_hd() calls to exynos4210_init().
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 9310418.Wg32kryeWE@amdc3058
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Not only are the sve-related tb_flags fields unused when SVE is
disabled, but not all of the cpu registers are initialized properly
for computing same. This can corrupt other fields by ORing in -1,
which might result in QEMU crashing.
This bug was not present in 3.0, but this patch is cc'd to
stable because adf92eab90 where the bug was
introduced was marked for stable.
Fixes: adf92eab90
Cc: qemu-stable@nongnu.org (3.0.1)
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Here are the accumulated ppc target patches for the last several
weeks. Highlights are:
* A number of 40p / PReP cleanups
* Preliminary irq rework on the pseries machine towards the new
XIVE interrupt controller
There are a few patches which make small changes to generic device and
arm code as prerequisites to the 40p interrupt routing cleanup. They
have acks from the relevant maintainers.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.1-20180925' into staging
ppc patch queue 2018-09-25
Here are the accumulated ppc target patches for the last several
weeks. Highlights are:
* A number of 40p / PReP cleanups
* Preliminary irq rework on the pseries machine towards the new
XIVE interrupt controller
There are a few patches which make small changes to generic device and
arm code as prerequisites to the 40p interrupt routing cleanup. They
have acks from the relevant maintainers.
# gpg: Signature made Tue 25 Sep 2018 08:00:06 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.1-20180925:
40p: add fixed IRQ routing for LSI SCSI device
lsi53c895a: add optional external IRQ via qdev
scsi: remove unused lsi53c895a_create() and lsi53c810_create() functions
scsi: move lsi53c8xx_create() callers to lsi53c8xx_handle_legacy_cmdline()
scsi: add lsi53c8xx_handle_legacy_cmdline() function
sm501: Adjust endianness of pixel value in rectangle fill
spapr_pci: add an extra 'nr_msis' argument to spapr_populate_pci_dt
spapr: increase the size of the IRQ number space
spapr: introduce a spapr_irq class 'nr_msis' attribute
40p: use OR gate to wire up raven PCI interrupts
raven: some minor IRQ-related tidy-ups
hw/ppc: on 40p machine, change default firmware to OpenBIOS
target/ppc/cpu-models: Re-group the 970 CPUs together again
Record history of ppcemb target in common.json
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The sslverify setting is supposed to turn off all TLS certificate
checks in libcurl. However because of the way we use it, it only
turns off peer certificate authenticity checks
(CURLOPT_SSL_VERIFYPEER). This patch makes it also turn off the check
that the server name in the certificate is the same as the server
you're connecting to (CURLOPT_SSL_VERIFYHOST).
We can use Google's server at 8.8.8.8 which happens to have a bad TLS
certificate to demonstrate this:
$ ./qemu-img create -q -f qcow2 -b 'json: { "file.sslverify": "off", "file.driver": "https", "file.url": "https://8.8.8.8/foo" }' /var/tmp/file.qcow2
qemu-img: /var/tmp/file.qcow2: CURL: Error opening file: SSL: no alternative certificate subject name matches target host name '8.8.8.8'
Could not open backing image to determine size.
With this patch applied, qemu-img connects to the server regardless of
the bad certificate:
$ ./qemu-img create -q -f qcow2 -b 'json: { "file.sslverify": "off", "file.driver": "https", "file.url": "https://8.8.8.8/foo" }' /var/tmp/file.qcow2
qemu-img: /var/tmp/file.qcow2: CURL: Error opening file: The requested URL returned error: 404 Not Found
(The 404 error is expected because 8.8.8.8 is not actually serving a
file called "/foo".)
Of course the default (without sslverify=off) remains to always check
the certificate:
$ ./qemu-img create -q -f qcow2 -b 'json: { "file.driver": "https", "file.url": "https://8.8.8.8/foo" }' /var/tmp/file.qcow2
qemu-img: /var/tmp/file.qcow2: CURL: Error opening file: SSL: no alternative certificate subject name matches target host name '8.8.8.8'
Could not open backing image to determine size.
Further information about the two settings is available here:
https://curl.haxx.se/libcurl/c/CURLOPT_SSL_VERIFYPEER.htmlhttps://curl.haxx.se/libcurl/c/CURLOPT_SSL_VERIFYHOST.html
Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Message-id: 20180914095622.19698-1-rjones@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
This is a small test that will check for the ability to parse
both legacy and modern options for rbd.
The way the test is set up is for failure to occur, but without
having to wait to timeout on a non-existent rbd server. The error
messages in the success path show that the arguments were parsed.
The failure behavior prior to the patch series that has this test, is
qemu-img complaining about mandatory options (e.g. 'pool') not being
provided.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: f830580e339b974a83ed4870d11adcdc17f49a47.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
When we converted rbd to get rid of the older key/value-centric
encoding format, we broke compatibility with image files with backing
file strings encoded in the old format.
This leaves a bit of an ugly conundrum, and a hacky solution.
If the initial attempt to parse the "proper" options fails, it assumes
that we may have an older key/value encoded filename. Fall back to
attempting to parse the filename, and extract the required options from
it. If that fails, pass along the original error message.
We do not support mixed modern usage alongside legacy keyvalue pair
usage.
A deprecation warning has been added, although care should be taken
when actually deprecating since the impact is not limited to
commandline or qapi usage, but also opening existing images.
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: 15b332e5432ad069441f7275a46080f465d789a0.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
Code movement to pull the conversion from Qdict to BlockdevOptionsRbd
into a helper function.
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: 5b49a980f2cde6610ab1df41bb0277d00b5db893.1536704901.git.jcody@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
Whilst the PReP specification describes how all PCI IRQs are routed via IRQ
15 on the interrupt controller, the real 40p machine has a routing quirk in
that the LSI SCSI device is routed directly to IRQ 13.
Enable the external IRQ for the LSI SCSI device by wiring up the IRQ with
qdev to the relevant interrupt controller gpio.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
On some early machines the on-board PCI devices IRQs are wired directly to
the interrupt controller instead of via the PCI host bridge.
Add an optional external IRQ that if wired up via qdev will replace the
in-built PCI IRQ.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Now that these functions are no longer required they can be removed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
As part of commits a64aa5785d "hw: Deprecate -drive if=scsi with non-onboard
HBAs" and b891538e81 "hw/ppc/prep: Fix implicit creation of "-drive if=scsi"
devices" the lsi53c895a_create() and lsi53c810_create() functions were added
to wrap pci_create_simple() and scsi_bus_legacy_handle_cmdline().
Unfortunately this prevents us from changing qdev properties on the device
and/or changing the PCI configuration. By switching over to using the new
lsi53c8xx_handle_legacy_cmdline() function then the caller can now configure
and realize the LSI SCSI device exactly as required.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org> [arm parts]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This is the function that will soon be used to replace lsi53c895a_create() and
lsi53c810_create().
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The value from twoD_foreground (which is in host endian format) must
be converted to the endianness of the framebuffer (currently always
little endian) before it can be used to perform the fill operation.
Signed-off-by: Marcus Comstedt <marcus@mc.pp.se>
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
So that we don't have to call qdev_get_machine() to get the machine
class and the sPAPRIrq backend holding the number of MSIs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The new layout using static IRQ number does not leave much space to
the dynamic MSI range, only 0x100 IRQ numbers. Increase the total
number of IRQS for newer machines and introduce a legacy XICS backend
for pre-3.1 machines to maintain compatibility.
For the old backend, provide a 'nr_msis' value covering the full IRQ
number space as it does not use the bitmap allocator to allocate MSI
interrupt numbers.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The number of MSI interrupts a sPAPR machine can allocate is in direct
relation with the number of interrupts of the sPAPRIrq backend. Define
statically this value at the sPAPRIrq class level and use it for the
"ibm,pe-total-#msi" property of the sPAPR PHB.
According to the PAPR specs, "ibm,pe-total-#msi" defines the maximum
number of MSIs that are available to the PE. We choose to advertise
the maximum number of MSIs that are available to the machine for
simplicity of the model and to avoid segmenting the MSI interrupt pool
which can be easily shared. If the pool limit is reached, it can be
extended dynamically.
Finally, remove XICS_IRQS_SPAPR which is now unused.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
According to the PReP specification section 6.1.6 "System Interrupt
Assignments", all PCI interrupts are routed via IRQ 15.
Instead of mapping each PCI IRQ separately, we introduce an OR gate within the
raven PCI host bridge and then wire the single output of the OR gate to the
interrupt controller.
Note that whilst the (now deprecated) PReP machine still exists we still need
to preserve the old IRQ routing. This is done by adding a new "is-legacy-prep"
property to the raven PCI host bridge which is set to true for the PReP
machine.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This really lays the groundwork for the upcoming patches: it renames the
irqs PREPPCIState struct member to pci_irqs (as soon there will be a
distinction) and then changes the raven IRQ opaque to use PREPPCIState
instead of just irqs array.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
OpenBIOS gained 40p support in 5b20e4cace
Use it, instead of relying on an unmaintained and very limited firmware.
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The addition of the POWER9 CPUs divided the entries for the 970 CPUs,
which is a little bit confusing when you look at the code. So let's
re-group the 970 CPUs together again, and since these chips have been
based on the POWER4 processor, move them also in front of the POWER5
chips now.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
We recently removed the long deprecated "ppcemb" target. This adds a
comment in common.json about the SysEmuTarget type, recording when it was
removed.
Suggested-by: Eric Blake <eblake@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Here's another pull request for qemu-3.1. No real theme here, just an
assortment of various fixes. Probably the most notable thing is the
removal of the ppcemb target which has been deprecated for some time
now.
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Merge remote-tracking branch 'remotes/dgibson/tags/ppc-for-3.1-20180907' into staging
ppc patch queue 2018-09-07
Here's another pull request for qemu-3.1. No real theme here, just an
assortment of various fixes. Probably the most notable thing is the
removal of the ppcemb target which has been deprecated for some time
now.
# gpg: Signature made Fri 07 Sep 2018 08:30:02 BST
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.1-20180907:
target-ppc: Extend HWCAP2 bits for ISA 3.0
target/ppc/kvm: set vcpu as online/offline
Fix a deadlock case in the CPU hotplug flow
spapr: Correct reference count on spapr-cpu-core
mac_newworld: implement custom FWPathProvider
uninorth: add ofw-addr property to allow correct fw path generation
mac_oldworld: implement custom FWPathProvider
grackle: set device fw_name and address for correct fw path generation
macio: add addr property to macio IDE object
macio: add macio bus to help with fw path generation
macio: move MACIOIDEState type declarations to macio.h
spapr_pci: fix potential NULL pointer dereference
spapr: fix leak of rev array
ppc: Remove deprecated ppcemb target
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The lexer ignores whitespace like this:
on whitespace on non-ws spontaneously
IN_START --> IN_WHITESPACE --> JSON_SKIP --> IN_START
^ |
\__/ on whitespace
This accumulates a whitespace token in state IN_WHITESPACE, only to
throw it away on the transition via JSON_SKIP to the start state.
Wasteful. Go from IN_START to IN_START on whitespace directly,
dropping the whitespace character.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-7-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-6-armbru@redhat.com>
When the lexer chokes on an input character, it consumes the
character, emits a JSON error token, and enters its start state. This
can lead to suboptimal error recovery. For instance, input
0123 ,
produces the tokens
JSON_ERROR 01
JSON_INTEGER 23
JSON_COMMA ,
Make the lexer skip characters after a lexical error until a
structural character ('[', ']', '{', '}', ':', ','), an ASCII control
character, or '\xFE', or '\xFF'.
Note that we must not skip ASCII control characters, '\xFE', '\xFF',
because those are documented to force the JSON parser into known-good
state, by docs/interop/qmp-spec.txt.
The lexer now produces
JSON_ERROR 01
JSON_COMMA ,
Update qmp-test for the nicer error recovery: QMP now reports just one
error for input %p instead of two. Also drop the newline after %p; it
was needed to tease out the second error.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-5-armbru@redhat.com>
[Conflict with commit ebb4d82d88 resolved]
The lexer uses macro TERMINAL_NEEDED_LOOKAHEAD() to decide whether a
state transition consumes the input character. It returns true when
the state transition is defined with the TERMINAL() macro. To detect
that, it checks whether input '\0' would have resulted in the same
state transition, and the new state is not IN_ERROR.
Why does that even work? For all states, the new state on input '\0'
is either IN_ERROR or defined with TERMINAL(). If the state
transition equals the one we'd get for input '\0', it goes to IN_ERROR
or to the argument of TERMINAL(). We never use TERMINAL(IN_ERROR),
because it makes no sense. Thus, if it doesn't go to IN_ERROR, it
must be defined with TERMINAL().
Since this isn't quite confusing enough, we negate the result to get
@char_consumed, and ignore it when @flush is true.
Instead of deriving the lookahead bit from the state transition, make
it explicit. This is easier to understand, and a bit more flexible,
too.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180831075841.13363-4-armbru@redhat.com>
