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staging
QOM device refactorings
* Fix QOM and ISA documentation errors
* Extend object_initialize() et al. to check the instance size
# gpg: Signature made Fri 30 Aug 2013 02:19:48 PM CDT using RSA key ID 3E7E013F
# gpg: Can't check signature: public key not found
# By Andreas Färber (14) and others
# Via Andreas Färber
* afaerber/tags/qom-devices-for-anthony:
isa: Fix documentation of isa_register_portio_list()
qom: Assert instance size in object_initialize_with_type()
qom: Pass available size to object_initialize()
qdev: Pass size to qbus_create_inplace()
virtio-mmio: Pass size to virtio_mmio_bus_new()
virtio-ccw: Pass size to virtio_ccw_bus_new()
s390-virtio-bus: Pass size to virtio_s390_bus_new()
virtio-pci: Pass size to virtio_pci_bus_new()
usb: Pass size to usb_bus_new()
scsi: Pass size to scsi_bus_new()
pci: Pass size to pci_bus_new_inplace()
ide: Pass size to ide_bus_new()
ipack: Pass size to ipack_bus_new_inplace()
intel-hda: Pass size to hda_codec_bus_init()
qom: Fix object_initialize_with_type() argument name in documentation
virtio: Remove unnecessary OBJECT() casts
object: Fix typo in qom/object.h
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This converts old style fprintf to traces.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: change patch subject]
Signed-off-by: Alexander Graf <agraf@suse.de>
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PAPR+ requires two RTAS calls to be supported by the hypervisor in
order to allow hotplugging VCPUs from the guest. The "start-cpu" RTAS
call was already there but "stop-self" was not.
This adds the "stop-self" RTAS call.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
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H_SET_MODE is used for controlling various partition settings. One
of these settings is the endianness a guest takes its exceptions in.
Signed-off-by: Anton Blanchard <anton@samba.org>
[agraf: fix whitespace]
Signed-off-by: Alexander Graf <agraf@suse.de>
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Registration of global state belongs into realize so move it there.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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On the sPAPR platform a guest allocates MSI/MSIX vectors via RTAS
hypercalls which return global IRQ numbers to a guest so it only
operates with those and never touches MSIMessage.
Therefore MSIMessage handling is completely hidden in QEMU.
Previously every sPAPR PCI host bridge implemented its own MSI window
to catch msi_notify()/msix_notify() calls from QEMU devices (virtio-pci
or vfio) and route them to the guest via qemu_pulse_irq().
MSIMessage used to be encoded as:
.addr - address within the PHB MSI window;
.data - the device index on PHB plus vector number.
The MSI MR write function translated this MSIMessage to a global IRQ
number and called qemu_pulse_irq().
However the total number of IRQs is not really big (at the moment it is
1024 IRQs starting from 4096) and even 16bit data field of MSIMessage
seems to be enough to store an IRQ number there.
This simplifies MSI handling in sPAPR PHB. Specifically, this does:
1. remove a MSI window from a PHB;
2. add a single memory region for all MSIs to sPAPREnvironment
and spapr_pci_msi_init() to initialize it;
3. encode MSIMessage as:
* .addr - a fixed address of SPAPR_PCI_MSI_WINDOW==0x40000000000ULL;
* .data as an IRQ number.
4. change IRQ allocator to align first IRQ number in a block for MSI.
MSI uses lower bits to specify the vector number so the first IRQ has to
be aligned. MSIX does not need any special allocator though.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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spapr-pci config space accessors use find_dev() to find a PCI device.
However find_dev() only searched on a primary bus and did not do
recursive search through secondary buses so config space access was not
possible for devices other that on a primary bus.
This fixed find_dev() by using the PCI API pci_find_device() function.
This effectively enabled pci bridges on spapr.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Adopt error_report() while at it.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Also move one stray debug output into an #ifdef.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
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QEMU has 'dtb' option for specifing the device tree file for the kernel.
The patch adds support for this option to the 'virtex_ml507' machine
implementation.
Signed-off-by: Efimov Vasily <real@ispras.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
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A number of users are reporting stalls when using the pseries
hypervisor virtual console.
A simple test case is to paste 15 or 17 characters at a time
into the console. Pasting 15 characters at a time works fine
but pasting 17 characters hangs for a random amount of time.
Other activity (network, qemu monitor etc) unblocks it.
If qemu-char tries to send more than 16 characters at once,
vty_can_receive returns false. At this point we have to
wait for the guest to consume that output. Everything is good
so far.
The problem occurs when the the guest does consume the output.
We need to signal back to the qemu-char layer that we are
ready for more input. Without this we block until something
else kicks us (eg network activity).
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Today we generate the device tree once on machine initialization and then
store the finalized blob in memory to reload it on reset.
This is bad for 2 reasons. First we potentially waste a bunch of RAM for no
good reason, as we have all information required to regenerate the device
tree available anyways.
The second reason is even more important. On machine init when we generate
the device tree for the first time, we don't have all of the devices fully
initialized yet. But the device tree needs to potentially walk devices to
put information about them into the device tree.
Move the generation into a reset function. That way we just generate it new
every time we reset, solving both of the above issues.
Signed-off-by: Alexander Graf <agraf@suse.de>
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To be passed on to object_initialize_with_type().
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> (virtio-ccw)
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to object_initialize().
Since commit 39355c3826f5d9a2eb1ce3dc9b4cdd68893769d6 the argument is
void*, so drop some superfluous (BusState *) casts or direct parent
field usages.
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_initialize().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Use DEVICE() cast to avoid a direct parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Use DEVICE() casts instead of direct parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Simplify DEVICE() cast to avoid parent field access.
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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To be passed to qbus_create_inplace().
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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There's no need to cast the first argument of object_initialize()
to Object. Remove these unnecessary casts.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
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Provide a function that resets the I/O subsystem.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
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* qemu-kvm/uq/master:
kvm-stub: fix compilation
kvm: shorten the parameter list for get_real_device()
kvm: i386: fix LAPIC TSC deadline timer save/restore
kvm-all.c: max_cpus should not exceed KVM vcpu limit
kvm: Simplify kvm_handle_io
kvm: x86: fix setting IA32_FEATURE_CONTROL with nested VMX disabled
kvm: add KVM_IRQFD_FLAG_RESAMPLE support
kvm: migrate vPMU state
target-i386: remove tabs from target-i386/cpu.h
Initialize IA32_FEATURE_CONTROL MSR in reset and migration
Conflicts:
target-i386/cpu.h
target-i386/kvm.c
aliguori: fixup trivial conflicts due to whitespace and added cpu
argument
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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pc,pci,virtio fixes and cleanups
This includes pc and pci cleanups, future-proofing of ROM files,
and a virtio bugfix correcting splice on virtio console.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 26 Aug 2013 01:34:20 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found
# By Markus Armbruster (5) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
virtio: virtqueue_get_avail_bytes: fix desc_pa when loop over the indirect descriptor table
pc_piix: Kill pc_init1() memory region args
pc: pc_compat_1_4() now can call pc_compat_1_5()
pc: Create pc_compat_*() functions
pc: Kill pc_init_pci_1_0()
pc: Don't explode QEMUMachineInitArgs into local variables needlessly
pc: Don't prematurely explode QEMUMachineInitArgs
ppc: Don't duplicate QEMUMachineInitArgs in PPCE500Params
ppc: Don't explode QEMUMachineInitArgs into local variables needlessly
sun4: Don't prematurely explode QEMUMachineInitArgs
q35: Add PCIe switch to example q35 configuration
loader: store FW CFG ROM files in RAM
arch_init: align MR size to target page size
pc: cleanup 1.4 compat support
Message-id: 1377535318-30491-1-git-send-email-mst@redhat.com
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# By Alex Bligh (32) and others
# Via Stefan Hajnoczi
* stefanha/block: (42 commits)
win32-aio: drop win32_aio_flush_cb()
aio-win32: replace incorrect AioHandler->opaque usage with ->e
aio / timers: remove dummy_io_handler_flush from tests/test-aio.c
aio / timers: Remove legacy interface
aio / timers: Switch entire codebase to the new timer API
aio / timers: Add scripts/switch-timer-api
aio / timers: Add test harness for AioContext timers
aio / timers: convert block_job_sleep_ns and co_sleep_ns to new API
aio / timers: Convert rtc_clock to be a QEMUClockType
aio / timers: Remove main_loop_timerlist
aio / timers: Rearrange timer.h & make legacy functions call non-legacy
aio / timers: Add qemu_clock_get_ms and qemu_clock_get_ms
aio / timers: Remove legacy qemu_clock_deadline & qemu_timerlist_deadline
aio / timers: Remove alarm timers
aio / timers: Add documentation and new format calls
aio / timers: Use all timerlists in icount warp calculations
aio / timers: Introduce new API timer_new and friends
aio / timers: On timer modification, qemu_notify or aio_notify
aio / timers: Convert mainloop to use timeout
aio / timers: Convert aio_poll to use AioContext timers' deadline
...
Message-id: 1377202298-22896-1-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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descriptor table
virtqueue_get_avail_bytes: when found a indirect desc, we need loop over it.
/* loop over the indirect descriptor table */
indirect = 1;
max = vring_desc_len(desc_pa, i) / sizeof(VRingDesc);
num_bufs = i = 0;
desc_pa = vring_desc_addr(desc_pa, i);
But, It init i to 0, then use i to update desc_pa. so we will always get:
desc_pa = vring_desc_addr(desc_pa, 0);
the last two line should swap.
Cc: qemu-stable@nongnu.org
Signed-off-by: Yin Yin <yin.yin@cs2c.com.cn>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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get_real_device() has 5 parameters with the last 4 is contained in the first
structure.
This patch removes the last 4 parameters and directly use them from the first
parameter.
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This is an autogenerated patch using scripts/switch-timer-api.
Switch the entire code base to using the new timer API.
Note this patch may introduce some line length issues.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Convert rtc_clock to be a QEMUClockType
Move rtc_clock users to use the new API
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Rearrange timer.h so it is in order by function type.
Make legacy functions call non-legacy functions rather than vice-versa.
Convert cpus.c to use new API.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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include/qemu/timer.h has no need to include main-loop.h and
doing so causes an issue for the next patch. Unfortunately
various files assume including timers.h will pull in main-loop.h.
Untangle this mess.
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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# By Laszlo Ersek (8) and others
# Via Luiz Capitulino
* luiz/queue/qmp:
scripts/qapi.py: Avoid syntax not supported by Python 2.4
monitor: print the invalid char in error message
OptsVisitor: introduce unit tests, with test cases for range flattening
add "test-int128" and "test-bitops" to .gitignore
OptsVisitor: don't try to flatten overlong integer ranges
OptsVisitor: opts_type_uint64(): recognize intervals when LM_IN_PROGRESS
OptsVisitor: rebase opts_type_uint64() to parse_uint_full()
OptsVisitor: opts_type_int(): recognize intervals when LM_IN_PROGRESS
OptsVisitor: introduce list modes for interval flattening
OptsVisitor: introduce basic list modes
Convert stderr message calling error_get_pretty() to error_report()
Message-id: 1377015041-6567-1-git-send-email-lcapitulino@redhat.com
Signed-off-by: Anthony Liguori <anthony@codemonkey.ws>
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Rename four functions in preparation for new API.
Rename qemu_timer_expired to timer_expired
Rename qemu_timer_expire_time_ns to timer_expire_time_ns
Rename qemu_timer_pending to timer_pending
Rename qemu_timer_expired_ns to timer_expired_ns
Signed-off-by: Alex Bligh <alex@alex.org.uk>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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All callers always use the same values (get_system_memory(),
get_system_io()), so the parameters are pointless.
If one day we decide to eliminate get_system_memory() and
get_system_io(), we will be able to do that more easily by adding the
values to struct QEMUMachineInitArgs.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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It just needs to set has_pvpanic=false after calling it. This way, it
won't be a special case anymore.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Making the older compat functions call the newer compat functions at the
beginning allows the older functions undo what's done by newer compat
functions. e.g.: pc_compat_1_4() will be able to call pc_compat_1_5()
and then set has_pvpanic=false.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The pc_init_pci_1_2()/pc_init_pci_1_0() split was made on commit
6fd028f64f662c801fd5a54d0e3a1d2baeee93ea, in preparation for commit
9953f8822cc316eec9962f0a2858c3439a80adec. The latter was reverted, so there's
no reason to keep two separate functions that do exactly the same, anymore.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Don't explode when the variable is used just a few times, and never
changed.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Don't explode QEMUMachineInitArgs before passing it to pc_init1().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Pass on the generic arguments unadulterated, and the machine-specific
ones as separate argument.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Don't explode when the variable is used just once, and never changed.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Don't explode QEMUMachineInitArgs before passing it to
sun4m_hw_init(), sun4uv_init().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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In C99 signed shift (1 << 31) is undefined behavior, since the result
exceeds INT_MAX. Use 1U instead and move the shift after the check.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Acked-by: Jia Liu <proljc@gmail.com>
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Consider the masking of PICSR and PICMR:
((cpu->env.picsr && (1 << i)) && (cpu->env.picmr && (1 << i)))
To correctly mask bits, we should use the bitwise AND "&" rather than
the logical AND "&&". Also, the loop is not necessary for masking.
Simply use (cpu->env.picsr & cpu->env.picmr).
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Acked-by: Jia Liu <proljc@gmail.com>
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clang warns that cpu_openrisc_load_kernel() can use 'entry' uninitialized:
hw/openrisc/openrisc_sim.c:69:9: error: variable 'entry' is used uninitialized
whenever '&&' condition is false [-Werror,-Wsometimes-uninitialized]
if (kernel_filename && !qtest_enabled()) {
^~~~~~~~~~~~~~~
hw/openrisc/openrisc_sim.c:91:19: note: uninitialized use occurs here
cpu->env.pc = entry;
^~~~~
Fix this by not attempting to change the CPU's starting PC unless
we actually loaded a kernel.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Jia Liu <proljc@gmail.com>
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