Commit Graph

35253 Commits

Author SHA1 Message Date
Marc-André Lureau
07d49a53b6 spice: call qemu_spice_set_passwd() during init
Don't call SPICE API directly to set password given in command line, but
use the internal API, saving password for later calls.

This solves losing password when changing expiration in qemu monitor.

https://bugzilla.redhat.com/show_bug.cgi?id=1138639

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16 08:09:03 +02:00
Gerd Hoffmann
0d61f7dcc6 sdl2: keymap fixups
Make a few keys works correctly in SDL2.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16 08:07:05 +02:00
Gerd Hoffmann
4f36e42ee9 sdl2: drop sdl_zoom.h
It isn't used.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-16 08:07:05 +02:00
Peter Maydell
cc35a44cf7 Merge remote-tracking branch 'remotes/qmp-unstable/queue/qmp' into staging
* remotes/qmp-unstable/queue/qmp:
  exec: file_ram_alloc(): print error when prealloc fails
  monitor: fix debug print compiling error

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15 19:44:34 +01:00
Peter Maydell
f2bcdc8de0 Block patches
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

Block patches

# gpg: Signature made Fri 12 Sep 2014 16:09:43 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"

* remotes/kevin/tags/for-upstream: (22 commits)
  qcow2: Add falloc and full preallocation option
  raw-posix: Add falloc and full preallocation option
  qapi: introduce PreallocMode and new PreallocModes full and falloc.
  block: don't convert file size to sector size
  block: round up file size to nearest sector
  iotests: Send the correct fd in socket_scm_helper
  blockdev: Refuse to drive_del something added with blockdev-add
  block: extend BLOCK_IO_ERROR with reason string
  dataplane: fix virtio_blk_data_plane_create() op blocker error path
  qemu-iotests: Run 025 for Archipelago block driver
  block/archipelago: Implement bdrv_truncate()
  block: Make the block accounting functions operate on BlockAcctStats
  block: rename BlockAcctType members to start with BLOCK_ instead of BDRV_
  block: Extract the block accounting code
  block: Extract the BlockAcctStats structure
  IDE: MMIO IDE device control should be little endian
  thread-pool: Drop unnecessary includes
  xen: Drop redundant bdrv_close() from pci_piix3_xen_ide_unplug()
  xen_disk: Plug memory leak on error path
  qemu-io: Clean up openfile() after commit 2e40134
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15 17:35:22 +01:00
Peter Maydell
16ab5046c4 Fix pixman build failure.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-console-20140915-1' into staging

Fix pixman build failure.

# gpg: Signature made Mon 15 Sep 2014 07:15:11 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-console-20140915-1:
  configure: check for pixman-1 version
  pixman: update internal copy to pixman-0.32.6

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-15 16:42:28 +01:00
Hu Tao
236f282c1c configure: check for pixman-1 version
commit a93a3af9 introduces use of PIXMAN_TYPE_RGBA, but it's only available
in pixman >= 0.21.8. If pixman doesn't meet the version requirement, qemu
will fail to build with following message:

qemu/ui/qemu-pixman.c: In function ‘qemu_pixelformat_from_pixman’:
qemu/ui/qemu-pixman.c:42: error: ‘PIXMAN_TYPE_RGBA’ undeclared (first use in this function)
qemu/ui/qemu-pixman.c:42: error: (Each undeclared identifier is reported only once
qemu/ui/qemu-pixman.c:42: error: for each function it appears in.)

This patch fixes the problem by checking the pixman version.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-15 08:14:19 +02:00
Hu Tao
122abbe5fc pixman: update internal copy to pixman-0.32.6
commit a93a3af9 introduces use of PIXMAN_TYPE_RGBA, but it's only available
in pixman >= 0.21.8. Although commit f27b2e1d bumped pixman to pixman-0.28.2,
but the change was reverted later by 7b1b5d19.

This patch updates internal copy of pixman to pixman-0.32.6 to fix the
problem.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-09-15 08:14:19 +02:00
Eduardo Habkost
70e98b230f test-qdev-global-props: Trivial comment fix
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-09-14 21:32:16 +03:00
Eduardo Habkost
556068eed0 hw/machine: Free old values of string properties
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel.a@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amos Kong <akong@redhat.com>
Cc: qemu-stable@nongnu.org
2014-09-14 21:32:16 +03:00
Peter Maydell
2b31cd4e08 - Memory: improve error reporting and avoid crashes on hotplug
- Build: fixing block/iscsi.so and ranlib warnings on Mac OS X
 - Migration fixes for x86
 - The odd KVM patch.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

- Memory: improve error reporting and avoid crashes on hotplug
- Build: fixing block/iscsi.so and ranlib warnings on Mac OS X
- Migration fixes for x86
- The odd KVM patch.

# gpg: Signature made Thu 11 Sep 2014 11:21:10 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg:                 aka "Paolo Bonzini <bonzini@gnu.org>"

* remotes/bonzini/tags/for-upstream: (21 commits)
  gdbstub: init mon_chr through qemu_chr_alloc
  pckbd: adding new fields to vmstate
  mc146818rtc: add missed field to vmstate
  piix: do not set irq while loading vmstate
  serial: fixing vmstate for save/restore
  parallel: adding vmstate for save/restore
  fdc: adding vmstate for save/restore
  cpu: init vmstate for ticks and clock offset
  apic_common: vapic_paddr synchronization fix
  vl: use QLIST_FOREACH_SAFE to visit change state handlers
  exec: add parameter errp to gethugepagesize
  exec: report error when memory < hpagesize
  hostmem-ram: don't exit qemu if size of memory-backend-ram is way too big
  memory: add parameter errp to memory_region_init_rom_device
  memory: add parameter errp to memory_region_init_ram
  exec: add parameter errp to qemu_ram_alloc and qemu_ram_alloc_from_ptr
  rules.mak: Fix DSO build by pulling in archive symbols
  util: Don't link host-utils.o if it's empty
  util: Move general qemu_getauxval to util/getauxval.c
  trace: Only link generated-tracers.o with "simple" backend
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 16:55:49 +01:00
Luiz Capitulino
e4d9df4fb1 exec: file_ram_alloc(): print error when prealloc fails
If memory allocation fails when using the -mem-prealloc command-line
option, QEMU exits without printing any error information to
the user:

 # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages
 # echo $?
 1

This commit adds an error message, so that we print instead:

 # qemu [...] -m 1G -mem-prealloc -mem-path /dev/hugepages
 qemu: unable to map backing store for hugepages: Cannot allocate memory

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2014-09-12 11:22:21 -04:00
Gonglei
5fb9b5b9cb monitor: fix debug print compiling error
error: 'i' undeclared (first use in this function)

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-09-12 11:01:50 -04:00
Peter Maydell
4c24f40040 target-arm:
* add "linux,stdout-path" to the virt DTB
  * fix a long standing bug with IRQ disabling on Cortex-M CPUs
  * implement input interrupt logic in the PL061
  * fix failure to load correct SP/PC on reset of Cortex-M CPUs
    if the vector table is not in a ROM-blob-in-RAM
  * provide flash devices for boot ROMs in the virt board
  * implement architectural watchpoints
  * fix misimplementation of Inner Shareable TLB operations that
    caused instability of guests in TCG SMP configurations
  * configure PL011 and PL031 in the virt board correctly with
    level-triggered interrupts rather than edge-triggered
  * support providing a device tree blob to ROM (firmware)
    images as well as to kernels
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20140912' into staging

target-arm:
 * add "linux,stdout-path" to the virt DTB
 * fix a long standing bug with IRQ disabling on Cortex-M CPUs
 * implement input interrupt logic in the PL061
 * fix failure to load correct SP/PC on reset of Cortex-M CPUs
   if the vector table is not in a ROM-blob-in-RAM
 * provide flash devices for boot ROMs in the virt board
 * implement architectural watchpoints
 * fix misimplementation of Inner Shareable TLB operations that
   caused instability of guests in TCG SMP configurations
 * configure PL011 and PL031 in the virt board correctly with
   level-triggered interrupts rather than edge-triggered
 * support providing a device tree blob to ROM (firmware)
   images as well as to kernels

# gpg: Signature made Fri 12 Sep 2014 14:19:08 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-target-arm-20140912: (23 commits)
  hw/arm/boot: enable DTB support when booting ELF images
  hw/arm/boot: load device tree to base of DRAM if no -kernel option was passed
  hw/arm/boot: pass an address limit to and return size from load_dtb()
  hw/arm/boot: load DTB as a ROM image
  hw/arm/virt: fix pl011 and pl031 irq flags
  target-arm: Make *IS TLB maintenance ops affect all CPUs
  target-arm: Push legacy wildcard TLB ops back into v6
  target-arm: Implement minimal DBGVCR, OSDLR_EL1, MDCCSR_EL0
  target-arm: Remove comment about MDSCR_EL1 being dummy implementation
  target-arm: Set DBGDSCR.MOE for debug exceptions taken to AArch32
  target-arm: Implement handling of fired watchpoints
  target-arm: Move extended_addresses_enabled() to internals.h
  target-arm: Implement setting of watchpoints
  cpu-exec: Make debug_excp_handler a QOM CPU method
  exec.c: Record watchpoint fault address and direction
  exec.c: Provide full set of dummy wp remove functions in user-mode
  exec.c: Relax restrictions on watchpoint length and alignment
  hw/arm/virt: Provide flash devices for boot ROMs
  target-arm: Fix broken indentation in arm_cpu_reest()
  target-arm: Fix resetting issues on ARMv7-M CPUs
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 15:12:26 +01:00
Hu Tao
0e4271b711 qcow2: Add falloc and full preallocation option
preallocation=falloc allocates disk space by posix_fallocate(),
preallocation=full allocates disk space by writing zeros to disk.
Both modes imply preallocation=metadata.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
Hu Tao
06247428be raw-posix: Add falloc and full preallocation option
This patch adds a new option preallocation for raw format, and implements
falloc and full preallocation.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
Hu Tao
ffeaac9b4e qapi: introduce PreallocMode and new PreallocModes full and falloc.
This patch prepares for the subsequent patches.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
Hu Tao
180e95265e block: don't convert file size to sector size
and avoid converting it back later.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
Hu Tao
c2eb918e32 block: round up file size to nearest sector
Currently the file size requested by user is rounded down to nearest
sector, causing the actual file size could be a bit less than the size
user requested. Since some formats (like qcow2) record virtual disk
size in bytes, this can make the last few bytes cannot be accessed.

This patch fixes it by rounding up file size to nearest sector so that
the actual file size is no less than the requested file size.

Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 15:43:06 +02:00
Ard Biesheuvel
92df845070 hw/arm/boot: enable DTB support when booting ELF images
Add support for loading DTB images when booting ELF images using
-kernel. If there are no conflicts with the placement of the ELF
segments, the DTB image is loaded at the base of RAM.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-5-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:50 +01:00
Ard Biesheuvel
69e7f76f6a hw/arm/boot: load device tree to base of DRAM if no -kernel option was passed
If we are running the 'virt' machine, we may have a device tree blob but no
kernel to supply it to if no -kernel option was passed. In that case, copy it
to the base of RAM where it can be picked up by a bootloader.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-4-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:50 +01:00
Ard Biesheuvel
fee8ea12eb hw/arm/boot: pass an address limit to and return size from load_dtb()
Add an address limit input parameter to load_dtb() so that we can
tell load_dtb() how much memory the dtb is allowed to consume. If
the dtb doesn't fit, return 0, otherwise return the actual size of
the loaded dtb.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-3-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:50 +01:00
Ard Biesheuvel
4c4bf65474 hw/arm/boot: load DTB as a ROM image
In order to make the device tree blob (DTB) available in memory not only at
first boot, but also after system reset, use rom_blob_add_fixed() to install
it into memory.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-2-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:50 +01:00
Peter Maydell
0be969a2d9 hw/arm/virt: fix pl011 and pl031 irq flags
The pl011 and pl031 devices both use level triggered interrupts,
but the device tree we construct was incorrectly telling the
kernel to configure the GIC to treat them as edge triggered.
This meant that output from the pl011 would hang after a while.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410274423-9461-1-git-send-email-peter.maydell@linaro.org
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Cc: qemu-stable@nongnu.org
2014-09-12 14:06:50 +01:00
Peter Maydell
fa439fc5d7 target-arm: Make *IS TLB maintenance ops affect all CPUs
The ARM architecture defines that the "IS" variants of TLB
maintenance operations must affect all TLBs in the Inner Shareable
domain, which for us means all CPUs. We were incorrectly implementing
these to only affect the current CPU, which meant that SMP TCG
operation was unstable.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410274883-9578-3-git-send-email-peter.maydell@linaro.org
Cc: qemu-stable@nongnu.org
2014-09-12 14:06:50 +01:00
Peter Maydell
995939a650 target-arm: Push legacy wildcard TLB ops back into v6
When we implemented ARMv8 in QEMU we retained our legacy loose
wildcarded decoding of the TLB maintenance operations for v7
and earlier CPUs and provided the correct stricter decode for
v8. However the loose decode is in fact wrong for v7MP, because
it doesn't correctly implement the operations which must apply
to every CPU in the Inner Shareable domain.

Move the legacy wildcarding from the not_v8 reginfo array
into the not_v7 array, and move the strictly decoded operations
from the v8 reginfo to v7 or v7mp arrays as appropriate.

Cache and TLB lockdown legacy wildcarding remains in the
not_v8 array for the moment.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410274883-9578-2-git-send-email-peter.maydell@linaro.org
Cc: qemu-stable@nongnu.org
2014-09-12 14:06:50 +01:00
Peter Maydell
5e8b12ffbb target-arm: Implement minimal DBGVCR, OSDLR_EL1, MDCCSR_EL0
Implement debug registers DBGVCR, OSDLR_EL1 and MDCCSR_EL0
(as dummy or limited-functionality). 32 bit Linux kernels will
access these at startup so they are required for breakpoints
and watchpoints to be supported.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:50 +01:00
Peter Maydell
17a9eb53a9 target-arm: Remove comment about MDSCR_EL1 being dummy implementation
MDSCR_EL1 has actual functionality now; remove the out of date
comment that claims it is a dummy implementation.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:49 +01:00
Peter Maydell
16a906fd6e target-arm: Set DBGDSCR.MOE for debug exceptions taken to AArch32
For debug exceptions taken to AArch32 we have to set the
DBGDSCR.MOE (Method Of Entry) bits; we can identify the
kind of debug exception from the information in
exception.syndrome.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:49 +01:00
Peter Maydell
3ff6fc9148 target-arm: Implement handling of fired watchpoints
Implement the ARM debug exception handler for dealing with
fired watchpoints.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:49 +01:00
Peter Maydell
73c5211ba9 target-arm: Move extended_addresses_enabled() to internals.h
Move the utility function extended_addresses_enabled() into
internals.h; we're going to need to call it from op_helper.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:49 +01:00
Peter Maydell
9ee98ce810 target-arm: Implement setting of watchpoints
Implement support for setting QEMU watchpoints based on the
values the guest writes to the ARM architected watchpoint
registers. (We do not yet report the firing of the watchpoints
to the guest, so they will just be ignored.)

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:49 +01:00
Peter Maydell
86025ee443 cpu-exec: Make debug_excp_handler a QOM CPU method
Make the debug_excp_handler target specific hook into a QOM
CPU method.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:48 +01:00
Peter Maydell
08225676b2 exec.c: Record watchpoint fault address and direction
When we check whether we've hit a watchpoint we know the address
that we were attempting to access and whether it was a read or a
write. Record this information in the CPUWatchpoint struct so that
target-specific code can report it to the guest.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-09-12 14:06:48 +01:00
Peter Maydell
3ee887e8ff exec.c: Provide full set of dummy wp remove functions in user-mode
We already provide dummy versions of the cpu_watchpoint_insert
and cpu_watchpoint_remove_all functions when CONFIG_USER_ONLY
is defined. Complete the set by providing cpu_watchpoint_remove
and cpu_watchpoint_remove_by_ref as well.

This allows target-* code using these functions to avoid
some ifdeffery.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-09-12 14:06:48 +01:00
Peter Maydell
05068c0dfb exec.c: Relax restrictions on watchpoint length and alignment
The current implementation of watchpoints requires that they
have a power of 2 length which is not greater than TARGET_PAGE_SIZE
and that their address is a multiple of their length. Watchpoints
on ARM don't fit these restrictions, so change the implementation
so they can be relaxed.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
2014-09-12 14:06:48 +01:00
Peter Maydell
acf82361c6 hw/arm/virt: Provide flash devices for boot ROMs
Add two flash devices to the virt board, so that it can be used for
running guests which want a bootrom image such as UEFI. We provide
two flash devices to make it more convenient to provide both a
read-only UEFI image and a read-write place to store guest-set
UEFI config variables. The '-bios' command line option is set up
to provide an image for the first of the two flash devices.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1409930126-28449-2-git-send-email-ard.biesheuvel@linaro.org
2014-09-12 14:06:48 +01:00
Martin Galvan
34bf774485 target-arm: Fix broken indentation in arm_cpu_reest()
Fix a single misindented line in arm_cpu_reset().

Signed-off-by: Martin Galvan <martin.galvan@tallertechnologies.com>
[PMM: split this out from the previous commit]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:48 +01:00
Martin Galvan
6e3cf5df01 target-arm: Fix resetting issues on ARMv7-M CPUs
When calling qemu_system_reset after startup on a Cortex-M
CPU, the initial values of PC, MSP and the Thumb bit weren't being set
correctly if the vector table was in ROM. In particular, since Thumb was 0, a
Usage Fault would arise immediately after trying to execute any instruction
on a Cortex-M.

Signed-off-by: Martin Galvan <martin.galvan@tallertechnologies.com>
Message-id: CAOKbPbaLt-LJsAKkQdOE0cs9Xx4OWrUfpDhATXPSdtuNw2xu_A@mail.gmail.com
[PMM: removed an incorrect comment]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:48 +01:00
Colin Leitner
bfb27e6042 pl061: implement input interrupt logic
This patch adds the missing input interrupt logic to the pl061 GPIO device. To
keep the floating output pins to stay high, the old state variable had to be
split into two separate ones for input and output - which brings the vmstate
version to 3.

Edge level interrupts and I/O were tested under Linux 3.14. Level interrupt
handling hasn't been tested.

Signed-off-by: Colin Leitner <colin.leitner@googlemail.com>
Message-id: 54024FD2.9080204@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:48 +01:00
David Hoover
c3c8d6b3dd cpu-exec.c: Allow disabling of IRQs on ARM Cortex-M CPUs
Correct an error in the logic for deciding whether we can
take an IRQ interrupt which meant that on M profile cores
it was never possible to disable them.

The design here is still bogus in that M profile doesn't
have separate "IRQ" and "FIQ", which are an A/R profile
concept; we should ideally implement the proper priority
based scheme.

Signed-off-by: David Hoover <spm@boiteauxlettres.sent.at>
[PMM: Wrote a proper commit message]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:47 +01:00
Ard Biesheuvel
f022b8e953 hw/arm/virt: add linux, stdout-path to /chosen DT node
Add a property "linux,stdout-path" to the /chosen DT node and make
it point to the emulated UART. This allows users such as the Linux
kernel to produce console output without the need to pass console=
or earlycon=pl011,0x... command line arguments.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1409317439-29349-1-git-send-email-ard.biesheuvel@linaro.org
Reviewed-by: Rob Herring <rob.herring@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 14:06:47 +01:00
Marc Marí
6cd14054b6 libqos virtio: Increase ISR timeout
Increase the clock step to avoid Travis failure in some builds due to
overagressive timeout.

Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Message-id: 1410428416-5046-1-git-send-email-marc.mari.barcelo@gmail.com
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-12 13:58:07 +01:00
Stratos Psomadakis
be2bfb9dbd iotests: Send the correct fd in socket_scm_helper
Make sure to pass the correct fd via SCM_RIGHTS in socket_scm_helper.c
(i.e. fd_to_send, not socket-fd).

Signed-off-by: Stratos Psomadakis <psomas@grnet.gr>
Signed-off-by: Dimitris Aragiorgis <dimara@grnet.gr>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-12 10:27:54 +02:00
Markus Armbruster
48f364dd0b blockdev: Refuse to drive_del something added with blockdev-add
For some device models, the guest can prevent unplug.  Some users need a
way to forcibly revoke device model access to the block backend then, so
the underlying images can be safely used for something else.

drive_del lets you do that.  Unfortunately, it conflates revoking access
with destroying the backend.

Commit 9063f81 made drive_del immediately destroy the root BDS.  Nice:
the device name becomes available for reuse immediately.  Not so nice:
the device model's pointer to the root BDS dangles, and we're prone to
crash when the memory gets reused.

Commit d22b2f4 fixed that by hiding the root BDS instead of destroying
it.  Destruction only happens on unplug.  "Hiding" means removing it
from bdrv_states and graph_bdrv_states; see bdrv_make_anon().

This "destroy on revoke" is a misfeature we don't want to carry
forward to blockdev-add, just like "destroy on unplug" (commit
2d246f0).  So make drive_del fail on anything added with blockdev-add.

We'll add separate QMP commands to revoke device model access and to
destroy backends.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-11 17:14:24 +02:00
Luiz Capitulino
624ff5736e block: extend BLOCK_IO_ERROR with reason string
BLOCK_IO_ERROR events are logged by libvirt, which helps with
post mortem analysis of guests. However, one information that
we miss today is a human readable string describing the cause
of the I/O error.

This commit adds that string it to BLOCK_IO_ERROR. Note that
this string is a debugging aid for humans, meaning that it
should not parsed by applications.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-11 17:14:13 +02:00
Stefan Hajnoczi
745a9bb9cd dataplane: fix virtio_blk_data_plane_create() op blocker error path
Commit 3718d8ab65 ("block: Replace in_use
with operation blocker") broke the error path because it consumed
local_err instead of propagating it.

The caller has no way to know that the function failed.  This caused
virtio-blk to start "successfully" even though there was a fatal
dataplane error.

Steps to reproduce:

  $ qemu-system-x86_64 -enable-kvm -object iothread,id=iothread0 \
                       -drive if=none,id=drive0,file=a.img \
  (qemu) drive_mirror drive0 /tmp/foo.img
  (qemu) device_add virtio-blk-pci,iothread=iothread0,drive=drive0

Expected result:

  Since the mirror block job is using drive0 it is not possible to start
  virtio-blk data-plane.

  device_add fails and the PCI adapter is not added.

Actual result:

  device_add completes and the PCI adapter is added.

Cc: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-09-11 16:21:46 +02:00
Peter Maydell
0dfa7e3012 console: pixman switchover continued, add some infrastructure to make it
easier using pixman in display device emulation.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-console-20140905-2' into staging

console: pixman switchover continued, add some infrastructure to make it
         easier using pixman in display device emulation.

# gpg: Signature made Fri 05 Sep 2014 14:38:57 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-console-20140905-2:
  console: Remove unused QEMU_BIG_ENDIAN_FLAG
  console: add qemu_pixman_linebuf_copy
  console: add dpy_gfx_update_dirty
  console: add qemu_create_displaysurface_guestmem
  console: stop using PixelFormat
  console: reimplement qemu_default_pixelformat
  console: add qemu_default_pixman_format
  console: add qemu_pixelformat_from_pixman

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-09-11 11:44:17 +01:00
Pavel Dovgalyuk
462efe9e53 gdbstub: init mon_chr through qemu_chr_alloc
This patch initializes monitor for gdbstub with the qemu_chr_alloc function
instead of just allocating the memory. Initialization function call
is required, because it also creates chr_write_lock mutex, which is used
when writing to this character device.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-11 12:20:33 +02:00
Pavel Dovgalyuk
a28fe7e3f6 pckbd: adding new fields to vmstate
This patch adds outport to VMState to allow correct saving and restoring
the state of PC keyboard controller.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-11 12:20:32 +02:00