Now that we pass pcms anyway, we don't need the no_vmport arg any more.
No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-14-kraxel@redhat.com
Now that we pass pcms anyway, we don't need the has_pit arg any more.
No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-13-kraxel@redhat.com
Need access to pcms for pcspk initialization.
Just preparation, no functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-12-kraxel@redhat.com
Switch to deprecated_register_soundhw().
Remove the now obsolete init function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-10-kraxel@redhat.com
Switch to deprecated_register_soundhw().
Remove the now obsolete init function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-9-kraxel@redhat.com
Switch to deprecated_register_soundhw().
Remove the now obsolete init function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-8-kraxel@redhat.com
Switch to deprecated_register_soundhw().
Remove the now obsolete init function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-7-kraxel@redhat.com
Switch to deprecated_register_soundhw(). Remove the now obsolete init
function. Add an alias so both es1370 and ES1370 are working with
-device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-6-kraxel@redhat.com
Switch to deprecated_register_soundhw(). Remove the now obsolete init
function. Add an alias so both ac97 and AC97 are working with -device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-5-kraxel@redhat.com
Add helper function for -soundhw deprecation. It can replace the
simple init functions which just call {isa,pci}_create_simple()
with a hardcoded type. It also prints a deprecation message.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-4-kraxel@redhat.com
* i.MX6UL EVK board: put PHYs in the correct places
* hw/arm/virt: Let the virtio-iommu bypass MSIs
* target/arm: kvm: Handle DABT with no valid ISS
* hw/arm/virt-acpi-build: Only expose flash on older machine types
* target/arm: Fix temp double-free in sve ldr/str
* hw/display/bcm2835_fb.c: Initialize all fields of struct
* hw/arm/spitz: Code cleanup to fix Coverity-detected memory leak
* Deprecate TileGX port
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200703' into staging
target-arm queue:
* i.MX6UL EVK board: put PHYs in the correct places
* hw/arm/virt: Let the virtio-iommu bypass MSIs
* target/arm: kvm: Handle DABT with no valid ISS
* hw/arm/virt-acpi-build: Only expose flash on older machine types
* target/arm: Fix temp double-free in sve ldr/str
* hw/display/bcm2835_fb.c: Initialize all fields of struct
* hw/arm/spitz: Code cleanup to fix Coverity-detected memory leak
* Deprecate TileGX port
# gpg: Signature made Fri 03 Jul 2020 17:53:05 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20200703: (34 commits)
Deprecate TileGX port
Replace uses of FROM_SSI_SLAVE() macro with QOM casts
hw/arm/spitz: Provide usual QOM macros for corgi-ssp and spitz-lcdtg
hw/arm/pxa2xx_pic: Use LOG_GUEST_ERROR for bad guest register accesses
hw/arm/spitz: Use LOG_GUEST_ERROR for bad guest register accesses
hw/gpio/zaurus.c: Use LOG_GUEST_ERROR for bad guest register accesses
hw/arm/spitz: Encapsulate misc GPIO handling in a device
hw/misc/max111x: Create header file for documentation, TYPE_ macros
hw/misc/max111x: Use GPIO lines rather than max111x_set_input()
hw/arm/spitz: Use max111x properties to set initial values
ssi: Add ssi_realize_and_unref()
hw/misc/max111x: Don't use vmstate_register()
hw/misc/max111x: provide QOM properties for setting initial values
hw/arm/spitz: Implement inbound GPIO lines for bit5 and power signals
hw/arm/spitz: Keep pointers to scp0, scp1 in SpitzMachineState
hw/arm/spitz: Keep pointers to MPU and SSI devices in SpitzMachineState
hw/arm/spitz: Create SpitzMachineClass abstract base class
hw/arm/spitz: Detabify
hw/display/bcm2835_fb.c: Initialize all fields of struct
target/arm: Fix temp double-free in sve ldr/str
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The FROM_SSI_SLAVE() macro predates QOM and is used as a typesafe way
to cast from an SSISlave* to the instance struct of a subtype of
TYPE_SSI_SLAVE. Switch to using the QOM cast macros instead, which
have the same effect (by writing the QOM macros if the types were
previously missing them.)
(The FROM_SSI_SLAVE() macro allows the SSISlave member of the
subtype's struct to be anywhere as long as it is named "ssidev",
whereas a QOM cast macro insists that it is the first thing in the
subtype's struct. This is true for all the types we convert here.)
This removes all the uses of FROM_SSI_SLAVE() so we can delete the
definition.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-18-peter.maydell@linaro.org
The QOM types "spitz-lcdtg" and "corgi-ssp" are missing the
usual QOM TYPE and casting macros; provide and use them.
In particular, we can safely use the QOM cast macros instead of
FROM_SSI_SLAVE() because in both cases the 'ssidev' field of
the instance state struct is the first field in it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-17-peter.maydell@linaro.org
Instead of using printf() for logging guest accesses to invalid
register offsets in the pxa2xx PIC device, use the usual
qemu_log_mask(LOG_GUEST_ERROR,...).
This was the only user of the REG_FMT macro in pxa.h, so we can
remove that.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-16-peter.maydell@linaro.org
Instead of logging guest accesses to invalid register offsets in the
Spitz flash device with zaurus_printf() (which just prints to stderr),
use the usual qemu_log_mask(LOG_GUEST_ERROR,...).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-15-peter.maydell@linaro.org
Instead of logging guest accesses to invalid register offsets in this
device using zaurus_printf() (which just prints to stderr), use the
usual qemu_log_mask(LOG_GUEST_ERROR,...).
Since this was the only use of the zaurus_printf() macro outside
spitz.c, we can move the definition of that macro from sharpsl.h
to spitz.c.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-14-peter.maydell@linaro.org
Currently we have a free-floating set of IRQs and a function
spitz_out_switch() which handle some miscellaneous GPIO lines for the
spitz board. Encapsulate this behaviour in a simple QOM device.
At this point we can finally remove the 'max1111' global, because the
ADC battery-temperature value is now handled by the misc-gpio device
writing the value to its outbound "adc-temp" GPIO, which the board
code wires up to the appropriate inbound GPIO line on the max1111.
This commit also fixes Coverity issue CID 1421913 (which pointed out
that the 'outsignals' in spitz_scoop_gpio_setup() were leaked),
because it removes the use of the qemu_allocate_irqs() API from this
code entirely.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-13-peter.maydell@linaro.org
Create a header file for the hw/misc/max111x device, in the
usual modern style for QOM devices:
* definition of the TYPE_ constants and macros
* definition of the device's state struct so that it can
be embedded in other structs if desired
* documentation of the interface
This allows us to use TYPE_MAX_1111 in the spitz.c code rather
than the string "max1111".
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200628142429.17111-12-peter.maydell@linaro.org
The max111x ADC device model allows other code to set the level on
the 8 ADC inputs using the max111x_set_input() function. Replace
this with generic qdev GPIO inputs, which also allow inputs to be set
to arbitrary values.
Using GPIO lines will make it easier for board code to wire things
up, so that if device A wants to set the ADC input it doesn't need to
have a direct pointer to the max111x but can just set that value on
its output GPIO, which is then wired up by the board to the
appropriate max111x input.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-11-peter.maydell@linaro.org
Use the new max111x qdev properties to set the initial input
values rather than calling max111x_set_input(); this means that
on system reset the inputs will correctly return to their initial
values.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200628142429.17111-10-peter.maydell@linaro.org
Add an ssi_realize_and_unref(), for the benefit of callers
who want to be able to create an SSI device, set QOM properties
on it, and then do the realize-and-unref afterwards.
The API works on the same principle as the recently added
qdev_realize_and_undef(), sysbus_realize_and_undef(), etc.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-9-peter.maydell@linaro.org
The max111x is a proper qdev device; we can use dc->vmsd rather than
directly calling vmstate_register().
It's possible that this is a migration compat break, but the only
boards that use this device are the spitz-family ('akita', 'borzoi',
'spitz', 'terrier').
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-8-peter.maydell@linaro.org
Add some QOM properties to the max111x ADC device to allow the
initial values to be configured. Currently this is done by
board code calling max111x_set_input() after it creates the
device, which doesn't work on system reset.
This requires us to implement a reset method for this device,
so while we're doing that make sure we reset the other parts
of the device state.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-7-peter.maydell@linaro.org
Currently the Spitz board uses a nasty hack for the GPIO lines
that pass "bit5" and "power" information to the LCD controller:
the lcdtg realize function sets a global variable to point to
the instance it just realized, and then the functions spitz_bl_power()
and spitz_bl_bit5() use that to find the device they are changing
the internal state of. There is a comment reading:
FIXME: Implement GPIO properly and remove this hack.
which was added in 2009.
Implement GPIO properly and remove this hack.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-6-peter.maydell@linaro.org
Keep pointers to scp0, scp1 in SpitzMachineState, and just pass
that to spitz_scoop_gpio_setup().
(We'll want to use some of the other fields in SpitzMachineState
in that function in the next commit.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-5-peter.maydell@linaro.org
Keep pointers to the MPU and the SSI devices in SpitzMachineState.
We're going to want to make GPIO connections between some of the
SSI devices and the SCPs, so we want to keep hold of a pointer to
those; putting the MPU into the struct allows us to pass just
one thing to spitz_ssp_attach() rather than two.
We have to retain the setting of the global "max1111" variable
for the moment as it is used in spitz_adc_temp_on(); later in
this series of commits we will be able to remove it.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-4-peter.maydell@linaro.org
For the four Spitz-family machines (akita, borzoi, spitz, terrier)
create a proper abstract class SpitzMachineClass which encapsulates
the common behaviour, rather than having them all derive directly
from TYPE_MACHINE:
* instead of each machine class setting mc->init to a wrapper
function which calls spitz_common_init() with parameters,
put that data in the SpitzMachineClass and make spitz_common_init
the SpitzMachineClass machine-init function
* move the settings of mc->block_default_type and
mc->ignore_memory_transaction_failures into the SpitzMachineClass
class init rather than repeating them in each machine's class init
(The motivation is that we're going to want to keep some state in
the SpitzMachineState so we can connect GPIOs between devices created
in one sub-function of the machine init to devices created in a
different sub-function.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200628142429.17111-3-peter.maydell@linaro.org
The spitz board has been around a long time, and still has a fair number
of hard-coded tab characters in it. We're about to do some work on
this source file, so start out by expanding out the tabs.
This commit is a pure whitespace only change.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20200628142429.17111-2-peter.maydell@linaro.org
In bcm2835_fb_mbox_push(), Coverity complains (CID 1429989) that we
pass a pointer to a local struct to another function without
initializing all its fields. This is a real bug:
bcm2835_fb_reconfigure() copies the whole of our new BCM2385FBConfig
struct into s->config, so any fields we don't initialize will corrupt
the state of the device.
Copy the two fields which we don't want to update (pixo and alpha)
from the existing config so we don't accidentally change them.
Fixes: cfb7ba9838
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200628195436.27582-1-peter.maydell@linaro.org
The flash device is exclusively for the host-controlled firmware, so
we should not expose it to the OS. Exposing it risks the OS messing
with it, which could break firmware runtime services and surprise the
OS when all its changes disappear after reboot.
As firmware needs the device and uses DT, we leave the device exposed
there. It's up to firmware to remove the nodes from DT before sending
it on to the OS. However, there's no need to force firmware to remove
tables from ACPI (which it doesn't know how to do anyway), so we
simply don't add the tables in the first place. But, as we've been
adding the tables for quite some time and don't want to change the
default hardware exposed to versioned machines, then we only stop
exposing the flash device tables for 5.1 and later machine types.
Suggested-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 20200629140938.17566-4-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
At the moment the virtio-iommu translates MSI transactions.
This behavior is inherited from ARM SMMU. The virt machine
code knows where the guest MSI doorbells are so we can easily
declare those regions as VIRTIO_IOMMU_RESV_MEM_T_MSI. With that
setting the guest will not map MSIs through the IOMMU and those
transactions will be simply bypassed.
Depending on which MSI controller is in use (ITS or GICV2M),
we declare either:
- the ITS interrupt translation space (ITS_base + 0x10000),
containing the GITS_TRANSLATOR or
- The GICV2M single frame, containing the MSI_SETSP_NS register.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20200629070404.10969-6-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The machine may need to pass reserved regions to the
virtio-iommu-pci device (such as the MSI window on x86
or the MSI doorbells on ARM).
So let's add an array of Interval properties.
Note: if some reserved regions are already set by the
machine code - which should be the case in general -,
the length of the property array is already set and
prevents the end-user from modifying them. For example,
attempting to use:
-device virtio-iommu-pci,\
len-reserved-regions=1,reserved-regions[0]=0xfee00000:0xfeefffff:1
would result in the following error message:
qemu-system-aarch64: -device virtio-iommu-pci,addr=0xa,
len-reserved-regions=1,reserved-regions[0]=0xfee00000:0xfeefffff:1:
array size property len-reserved-regions may not be set more than once
Otherwise, for example, adding two reserved regions is achieved
using the following options:
-device virtio-iommu-pci,addr=0xa,len-reserved-regions=2,\
reserved-regions[0]=0xfee00000:0xfeefffff:1,\
reserved-regions[1]=0x1000000:100ffff:1
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-id: 20200629070404.10969-5-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
When translating an address we need to check if it belongs to
a reserved virtual address range. If it does, there are 2 cases:
- it belongs to a RESERVED region: the guest should neither use
this address in a MAP not instruct the end-point to DMA on
them. We report an error
- It belongs to an MSI region: we bypass the translation.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200629070404.10969-4-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch implements the PROBE request. At the moment,
only THE RESV_MEM property is handled. The first goal is
to report iommu wide reserved regions such as the MSI regions
set by the machine code. On x86 this will be the IOAPIC MSI
region, [0xFEE00000 - 0xFEEFFFFF], on ARM this may be the ITS
doorbell.
In the future we may introduce per device reserved regions.
This will be useful when protecting host assigned devices
which may expose their own reserved regions
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200629070404.10969-3-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Introduce a new property defining a reserved region:
<low address>:<high address>:<type>.
This will be used to encode reserved IOVA regions.
For instance, in virtio-iommu use case, reserved IOVA regions
will be passed by the machine code to the virtio-iommu-pci
device (an array of those). The type of the reserved region
will match the virtio_iommu_probe_resv_mem subtype value:
- VIRTIO_IOMMU_RESV_MEM_T_RESERVED (0)
- VIRTIO_IOMMU_RESV_MEM_T_MSI (1)
on PC/Q35 machine, this will be used to inform the
virtio-iommu-pci device it should bypass the MSI region.
The reserved region will be: 0xfee00000:0xfeefffff:1.
On ARM, we can declare the ITS MSI doorbell as an MSI
region to prevent MSIs from being mapped on guest side.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200629070404.10969-2-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add properties to the i.MX6UL processor to be able to select a
particular PHY on the MDIO bus for each FEC device.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: ea1d604198b6b73ea6521676e45bacfc597aba53.1593296112.git.jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We need a solution to use an Ethernet PHY that is not the first device
on the MDIO bus (device 0 on MDIO bus).
As an example with the i.MX6UL the NXP SOC has 2 Ethernet devices but
only one MDIO bus on which the 2 related PHY are connected but at unique
addresses.
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
Message-id: a1a5c0e139d1c763194b8020573dcb6025daeefa.1593296112.git.jcd@tribudubois.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The atomic_cmpxchg() loop is broken because we occasionally end up with
old and _old having different values (a legit compiler can generate code
that accessed *ind_addr again to pick up a value for _old instead of
using the value of old that was already fetched according to the
rules of the abstract machine). This means the underlying CS instruction
may use a different old (_old) than the one we intended to use if
atomic_cmpxchg() performed the xchg part.
Let us use volatile to force the rules of the abstract machine for
accesses to *ind_addr. Let us also rewrite the loop so, we that the
new old is used to compute the new desired value if the xchg part
is not performed.
Fixes: 8cba80c3a0 ("s390: Add PCI bus support")
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20200616045035.51641-3-pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
The atomic_cmpxchg() loop is broken because we occasionally end up with
old and _old having different values (a legit compiler can generate code
that accessed *ind_addr again to pick up a value for _old instead of
using the value of old that was already fetched according to the
rules of the abstract machine). This means the underlying CS instruction
may use a different old (_old) than the one we intended to use if
atomic_cmpxchg() performed the xchg part.
Let us use volatile to force the rules of the abstract machine for
accesses to *ind_addr. Let us also rewrite the loop so, we that the
new old is used to compute the new desired value if the xchg part
is not performed.
Fixes: 7e7494627f ("s390x/virtio-ccw: Adapter interrupt support.")
Reported-by: Andre Wild <Andre.Wild1@ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20200616045035.51641-2-pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Commit 5d971f9e67
"memory: Revert "memory: accept mismatching sizes in
memory_region_access_valid"" broke most RISC-V boards as they do 64 bit
accesses to the CLINT and QEMU would trigger a fault. Fix this failure
by allowing 8 byte accesses.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: LIU Zhiwei<zhiwei_liu@c-sky.com>
Message-Id: <122b78825b077e4dfd39b444d3a46fe894a7804c.1593547870.git.alistair.francis@wdc.com>
Claiming an interrupt and changing the source priority both potentially
affect whether an interrupt is pending, thus we must re-compute xEIP.
Note that we don't put the sifive_plic_update inside sifive_plic_claim
so that the logging of a claim (and the resulting IRQ) happens before
the state update, making the causal effect clear, and that we drop the
explicit call to sifive_plic_print_state when claiming since
sifive_plic_update already does that automatically at the end for us.
This can result in both spurious interrupt storms if you fail to
complete an IRQ before enabling interrupts (and no other actions occur
that result in a call to sifive_plic_update), but also more importantly
lost interrupts if a disabled interrupt is pending and then becomes
enabled.
Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200618210649.22451-1-jrtc27@jrtc27.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The source priorities can be used to order sources with respect to other
sources, not just as a way to enable/disable them based off a threshold.
We must therefore always claim the highest-priority source, rather than
the first source we find.
Signed-off-by: Jessica Clarke <jrtc27@jrtc27.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200618202343.20455-1-jrtc27@jrtc27.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
bcm2835_peripherals_realize(), fsl_imx25_realize() and
fsl_imx6_realize() are wrong that way: they pass &err to
object_property_set_uint() and object_property_set_bool() without
checking it, and then to sysbus_realize(). Harmless, because the
former can't actually fail here.
Fix by passing &error_abort instead.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Andrew Baumann <Andrew.Baumann@microsoft.com>
Cc: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: Jean-Christophe Dubois <jcd@tribudubois.net>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-26-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
armsse_realize() is wrong that way: it passes &err to
object_property_set_int() multiple times without checking it, and then
to sysbus_realize(). Harmless, because the former can't actually fail
here.
Fix by passing &error_abort instead.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-25-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
aspeed_soc_ast2600_realize() and aspeed_soc_realize() are wrong that
way: they pass &err to object_property_set_int() and
object_property_set_bool() without checking it, and then to
sysbus_realize(). Harmless, because the former can't actually fail
here.
Fix by passing &error_abort instead.
Cc: "Cédric Le Goater" <clg@kaod.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: Joel Stanley <joel@jms.id.au>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-24-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
stm32f205_soc_realize() and stm32f405_soc_realize() are wrong that
way: they pass &err to object_property_set_int() without checking it,
and then to qdev_realize(). Harmless, because the former can't
actually fail here.
Fix by passing &error_abort instead.
Cc: Alistair Francis <alistair@alistair23.me>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200630090351.1247703-23-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Gerd Hoffmann
Peter Maydell
Andrew Jones
Eric Auger
Jean-Christophe Dubois
Halil Pasic
Alistair Francis
Jessica Clarke
Markus Armbruster