Commit Graph

46055 Commits

Author SHA1 Message Date
Laurent Vivier
b265620bfb linux-user: support netlink protocol NETLINK_KOBJECT_UEVENT
This is the protocol used by udevd to manage kernel events.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-07 11:34:36 +03:00
Laurent Vivier
6c5b5645ae linux-user: add rtnetlink(7) support
rtnetlink is needed to use iproute package (ip addr, ip route)
and dhcp client.

Examples:

Without this patch:
    # ip link
    Cannot open netlink socket: Address family not supported by protocol
    # ip addr
    Cannot open netlink socket: Address family not supported by protocol
    # ip route
    Cannot open netlink socket: Address family not supported by protocol
    # dhclient eth0
    Cannot open netlink socket: Address family not supported by protocol
    Cannot open netlink socket: Address family not supported by protocol

With this patch:
    # ip link
    1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
        link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    51: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT qlen 1000
        link/ether 00:16:3e:89:6b:d7 brd ff:ff:ff:ff:ff:ff
    # ip addr show eth0
    51: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP qlen 1000
        link/ether 00:16:3e:89:6b:d7 brd ff:ff:ff:ff:ff:ff
        inet 192.168.122.197/24 brd 192.168.122.255 scope global eth0
           valid_lft forever preferred_lft forever
        inet6 fe80::216:3eff:fe89:6bd7/64 scope link
           valid_lft forever preferred_lft forever
    # ip route
    default via 192.168.122.1 dev eth0
    192.168.122.0/24 dev eth0  proto kernel  scope link  src 192.168.122.197
    # ip addr flush eth0
    # ip addr add 192.168.122.10 dev eth0
    # ip addr show eth0
    51: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP qlen 1000
        link/ether 00:16:3e:89:6b:d7 brd ff:ff:ff:ff:ff:ff
        inet 192.168.122.10/32 scope global eth0
           valid_lft forever preferred_lft forever
    # ip route add 192.168.122.0/24 via 192.168.122.10
    # ip route
        192.168.122.0/24 via 192.168.122.10 dev eth0

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-07 11:33:36 +03:00
Laurent Vivier
3bef0451e6 linux-user: Fix qemu-binfmt-conf.sh to store config across reboot
Original qemu-binfmt-conf.sh is only able to write configuration
into /proc/sys/fs/binfmt_misc, and the configuration is lost on reboot.

This script can configure debian and systemd services to restore
configuration on reboot. Moreover, it is able to manage binfmt
credential and to configure the path of the interpreter.

List of supported CPU is:

i386 i486 alpha arm sparc32plus ppc ppc64 ppc64le
m68k mips mipsel mipsn32 mipsn32el mips64 mips64el
sh4 sh4eb s390x aarch64

Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU]
                           [--help][--credential yes|no][--exportdir PATH]

       Configure binfmt_misc to use qemu interpreter

       --help:       display this usage
       --qemu-path:  set path to qemu interpreter (/usr/local/bin)
       --debian:     don't write into /proc,
                     instead generate update-binfmts templates
       --systemd:    don't write into /proc,
                     instead generate file for systemd-binfmt.service
                     for the given CPU
       --exportdir:  define where to write configuration files
                     (default: /etc/binfmt.d or /usr/share/binfmts)
       --credential: if yes, credential an security tokens are
                     calculated according to the binary to interpret

    To import templates with update-binfmts, use :

        sudo update-binfmts --importdir /usr/share/binfmts --import qemu-CPU

    To remove interpreter, use :

        sudo update-binfmts --package qemu-CPU --remove qemu-CPU /usr/local/bin

    With systemd, binfmt files are loaded by systemd-binfmt.service

    The environment variable HOST_ARCH allows to override 'uname' to generate
    configuration files for a different architecture than the current one.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
2016-06-07 09:38:06 +03:00
Peter Maydell
7646240580 target-arm queue:
* support instruction syndrome info for data aborts from A64 to EL2
  * add HSTR_EL2 register
  * fix incorrect ESR IL bits in various syndrome register cases
  * virt: fix limit of 64-bit ACPI/ECAM PCI MMIO range
  * gicv2: RAZ/WI non-sec access to sec interrupts
  * i2c: add aspeed i2c controller
  * virt: Reject gic-version=host for non-KVM (don't segv on aarch64 host)
  * xlnx-zynqmp: Add a secure prop to en/disable ARM Security Extensions
  * xlnx-zynqmp: Support KVM on AArch64 hosts
  * ptimer: Various fixes for awkward corner cases
  * char: QOMify various ARM UART models
  * char: get rid of qemu_char_get_next_serial
  * target-arm: Fix TTBR selecting logic on AArch32 Stage 2 translation
  * zynqmp: Add the ZCU102 board
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160606-1' into staging

target-arm queue:
 * support instruction syndrome info for data aborts from A64 to EL2
 * add HSTR_EL2 register
 * fix incorrect ESR IL bits in various syndrome register cases
 * virt: fix limit of 64-bit ACPI/ECAM PCI MMIO range
 * gicv2: RAZ/WI non-sec access to sec interrupts
 * i2c: add aspeed i2c controller
 * virt: Reject gic-version=host for non-KVM (don't segv on aarch64 host)
 * xlnx-zynqmp: Add a secure prop to en/disable ARM Security Extensions
 * xlnx-zynqmp: Support KVM on AArch64 hosts
 * ptimer: Various fixes for awkward corner cases
 * char: QOMify various ARM UART models
 * char: get rid of qemu_char_get_next_serial
 * target-arm: Fix TTBR selecting logic on AArch32 Stage 2 translation
 * zynqmp: Add the ZCU102 board

# gpg: Signature made Mon 06 Jun 2016 17:01:11 BST
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"

* remotes/pmaydell/tags/pull-target-arm-20160606-1: (25 commits)
  zynqmp: Add the ZCU102 board
  target-arm: Fix TTBR selecting logic on AArch32 Stage 2 translation
  char: get rid of qemu_char_get_next_serial
  hw/char: QOM'ify xilinx_uartlite model
  hw/char: QOM'ify stm32f2xx_usart model
  hw/char: QOM'ify digic-uart model
  hw/char: QOM'ify cadence_uart model
  hw/char: QOM'ify pl011 model
  hw/ptimer: Introduce ptimer_get_limit
  hw/ptimer: Support "on the fly" timer mode switch
  hw/ptimer: Update .delta on period/freq change
  hw/ptimer: Perform counter wrap around if timer already expired
  hw/ptimer: Fix issues caused by the adjusted timer limit value
  xlnx-zynqmp: Use the in kernel GIC model for KVM runs
  xlnx-zynqmp: Delay realization of GIC until post CPU realization
  xlnx-zynqmp: Make the RPU subsystem optional
  xlnx-zynqmp: Add a secure prop to en/disable ARM Security Extensions
  hw/arm/virt: Reject gic-version=host for non-KVM
  i2c: add aspeed i2c controller
  hw/intc/gic: RAZ/WI non-sec access to sec interrupts
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 17:02:42 +01:00
Alistair Francis
0c18c6c67e zynqmp: Add the ZCU102 board
Most Zynq UltraScale+ users will be targetting and using the ZCU102
board instead of the development focused EP108. To make our QEMU machine
names clearer add a ZCU102 machine model.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: cc82eec026b2febfca252d73362bb7084616c1ad.1464213234.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:32 +01:00
Sergey Sorokin
6e99f76261 target-arm: Fix TTBR selecting logic on AArch32 Stage 2 translation
Address size is 40-bit for the AArch32 stage 2 translation,
and t0sz can be negative (from -8 to 7),
so we need to adjust it to use the existing TTBR selecting logic.

Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
Message-id: 1464974151-1231644-1-git-send-email-afarallax@yandex.ru
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:32 +01:00
xiaoqiang zhao
e5fabad7cc char: get rid of qemu_char_get_next_serial
since there is no user of qemu_char_get_next_serial any more,
it's time to let it go away.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-7-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:32 +01:00
xiaoqiang zhao
1b6d0781c2 hw/char: QOM'ify xilinx_uartlite model
* drop qemu_char_get_next_serial and use chardev prop
* create xilinx_uartlite_create wrapper function to create
  xilinx_uartlite device
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-6-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:32 +01:00
xiaoqiang zhao
7bd43519da hw/char: QOM'ify stm32f2xx_usart model
* drop qemu_char_get_next_serial and use chardev prop
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-5-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:32 +01:00
xiaoqiang zhao
746c3b3eba hw/char: QOM'ify digic-uart model
* drop qemu_char_get_next_serial and use chardev prop
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-4-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:31 +01:00
xiaoqiang zhao
4be12ea09a hw/char: QOM'ify cadence_uart model
* drop qemu_char_get_next_serial and use chardev prop
* create cadence_uart_create wrapper function to create
  cadence_uart_device
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-3-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:31 +01:00
xiaoqiang zhao
f0d1d2c115 hw/char: QOM'ify pl011 model
* drop qemu_char_get_next_serial and use chardev prop
* add pl011_create wrapper function to create pl011 uart device
* change affected board code to use the new way

Signed-off-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1465028065-5855-2-git-send-email-zxq_yx_007@163.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:31 +01:00
Dmitry Osipenko
578c4b2f23 hw/ptimer: Introduce ptimer_get_limit
Currently ptimer users are used to store copy of the limit value, because
ptimer doesn't provide facility to retrieve the limit. Let's provide it.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 8f1fa9f90d8dbf8086fb02f3b4835eaeb4089cf6.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:31 +01:00
Dmitry Osipenko
869e92b5c3 hw/ptimer: Support "on the fly" timer mode switch
Allow switching between periodic <-> oneshot modes while timer is running.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: f030be6e28fbd219e1e8d22297aee367bd9af5bb.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:31 +01:00
Dmitry Osipenko
7ef6e3cf8d hw/ptimer: Update .delta on period/freq change
Delta value must be updated on period/freq change, otherwise running timer
would be restarted (counter reloaded with old delta). Only m68k/mcf520x
and arm/arm_timer devices are currently doing freq change correctly, i.e.
stopping the timer. Perform delta update to fix affected devices and
eliminate potential further mistakes.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 4987ef5fdc128bb9a744fd794d3f609135c6a39c.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:30 +01:00
Dmitry Osipenko
5a50307b48 hw/ptimer: Perform counter wrap around if timer already expired
ptimer_get_count() might be called while QEMU timer already been expired.
In that case ptimer would return counter = 0, which might be undesirable
in case of polled timer. Do counter wrap around for periodic timer to keep
it distributed. In order to achieve more accurate emulation behaviour of
certain hardware, don't perform wrap around when in icount mode and return
counter = 0 in that case (that doesn't affect polled counter distribution).

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: 4ce381c7d24d85d165ff251d2875d16a4b6a5c04.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:30 +01:00
Dmitry Osipenko
e91171e302 hw/ptimer: Fix issues caused by the adjusted timer limit value
Multiple issues here related to the timer with a adjusted .limit value:

1) ptimer_get_count() returns incorrect counter value for the disabled
timer after loading the counter with a small value, because adjusted limit
value is used instead of the original.

For instance:
    1) ptimer_stop(t)
    2) ptimer_set_period(t, 1)
    3) ptimer_set_limit(t, 0, 1)
    4) ptimer_get_count(t) <-- would return 10000 instead of 0

2) ptimer_get_count() might return incorrect value for the timer running
with a adjusted limit value.

For instance:
    1) ptimer_stop(t)
    2) ptimer_set_period(t, 1)
    3) ptimer_set_limit(t, 10, 1)
    4) ptimer_run(t)
    5) ptimer_get_count(t) <-- might return value > 10

3) Neither ptimer_set_period() nor ptimer_set_freq() are adjusting the
limit value, so it is still possible to make timer timeout value
arbitrary small.

For instance:
    1) ptimer_set_period(t, 10000)
    2) ptimer_set_limit(t, 1, 0)
    3) ptimer_set_period(t, 1) <-- bypass limit correction

Fix all of the above issues by adjusting timer period instead of the limit.
Perform the adjustment for periodic timer only. Use the delta value instead
of the limit to make decision whether adjustment is required, as limit could
be altered while timer is running, resulting in incorrect value returned by
ptimer_get_count.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Message-id: cd141f74f5737480ec586b9c7d18cce1d69884e2.1464367869.git.digetx@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:30 +01:00
Edgar E. Iglesias
2a0ee672c9 xlnx-zynqmp: Use the in kernel GIC model for KVM runs
Use the in kernel GIC model when running with KVM enabled.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-5-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:30 +01:00
Edgar E. Iglesias
0776d9679d xlnx-zynqmp: Delay realization of GIC until post CPU realization
Delay the realization of the GIC until after CPUs are
realized. This is needed for KVM as the in-kernel GIC
model will fail if it is realized with no available CPUs.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-4-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:30 +01:00
Edgar E. Iglesias
6ed92b14f6 xlnx-zynqmp: Make the RPU subsystem optional
The way we currently model the RPU subsystem is of quite
limited use. In addition to that, it causes problems for
KVM and for GDB debugging.

Make the RPU optional by adding a has_rpu property and
default to having it disabled.

This changes the default setup from having the RPU to not
longer having it.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-3-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:29 +01:00
Edgar E. Iglesias
37d42473d1 xlnx-zynqmp: Add a secure prop to en/disable ARM Security Extensions
Add a secure prop to en/disable ARM Security Extensions.
This is particularly useful for KVM runs.

Default to disabled to match the behavior of KVM.

This changes the default setup from having the ARM Security
Extensions to not longer having them.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 1464173555-12800-2-git-send-email-edgar.iglesias@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:29 +01:00
Cole Robinson
0bf8039dca hw/arm/virt: Reject gic-version=host for non-KVM
If you try to gic-version=host with TCG on a KVM aarch64 host,
qemu segfaults, since host requires KVM APIs.

Explicitly reject gic-version=host if KVM is not enabled

https://bugzilla.redhat.com/show_bug.cgi?id=1339977
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Message-id: b1b3b0dd143b7995a7f4062966b80a2cf3e3c71e.1464273085.git.crobinso@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:29 +01:00
Cédric Le Goater
1602001195 i2c: add aspeed i2c controller
The Aspeed AST2400 integrates a set of 14 I2C/SMBus bus controllers
directly connected to the APB bus. They can be programmed as master or
slave but the propopsed model only supports the master mode.

On the TODO list, we also have :

 - improve and harden the state machine.
 - bus recovery support (used by the Linux driver).
 - transfer mode state machine bits. this is not strictly necessary as
   it is mostly used for debug. The bus busy bit is deducted from the
   I2C core engine of qemu.
 - support of the pool buffer: 2048 bytes of internal SRAM (not used
   by the Linux driver).

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Message-id: 1464704307-25178-1-git-send-email-clg@kaod.org
[PMM: removed unused functions aspeed_i2c_bus_get_state() and
 aspeed_i2c_bus_set_state()]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:29 +01:00
Jens Wiklander
fea8a08e16 hw/intc/gic: RAZ/WI non-sec access to sec interrupts
Treat non-secure accesses to registers and bits in registers of secure
interrupts as RAZ/WI.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Message-id: 1464273945-2055-1-git-send-email-jens.wiklander@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:29 +01:00
Ard Biesheuvel
e40c3d2e7f hw/arm/virt: fix limit of 64-bit ACPI/ECAM PCI MMIO range
Set the MMIO range limit field to 'base + size - 1' as required.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Message-id: 1463856217-17969-1-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:28 +01:00
Peter Maydell
78f1edb19f target-arm: Don't try to set ESR IL bit in arm_cpu_do_interrupt_aarch64()
Remove some incorrect code from arm_cpu_do_interrupt_aarch64()
which attempts to set the IL bit in the syndrome register based
on the value of env->thumb. This is wrong in several ways:
 * IL doesn't indicate Thumb-vs-ARM, it indicates instruction
   length (which may be 16 or 32 for Thumb and is always 32 for ARM)
 * not every syndrome format uses IL like this -- for some IL is
   always set, and for some it is always clear
 * the code is changing esr_el[new_el] even for interrupt entry,
   which is not supposed to modify ESR_ELx at all

Delete the code, and instead rely on the syndrome value in
env->exception.syndrome having already been set up with the
correct value of IL.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1463487258-27468-3-git-send-email-peter.maydell@linaro.org
2016-06-06 16:59:28 +01:00
Peter Maydell
04ce861ea5 target-arm: Set IL bit in syndromes for insn abort, watchpoint, swstep
For some exception syndrome types, the IL bit should always be set.
This includes the instruction abort, watchpoint and software step
syndrome types; add the missing ARM_EL_IL bit to the syndrome
values returned by syn_insn_abort(), syn_swstep() and syn_watchpoint().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1463487258-27468-2-git-send-email-peter.maydell@linaro.org
2016-06-06 16:59:28 +01:00
Edgar E. Iglesias
aaa1f954d4 target-arm: A64: Create Instruction Syndromes for Data Aborts
Add support for generating the ISS (Instruction Specific Syndrome) for
Data Abort exceptions taken from AArch64.
These syndromes are used by hypervisors for example to trap and emulate
memory accesses.

We save the decoded data out-of-band with the TBs at translation time.
When exceptions hit, the extra data attached to the TB is used to
recreate the state needed to encode instruction syndromes.
This avoids the need to emit moves with every load/store.

Based on a suggestion from Peter Maydell.

Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 1462464601-10888-2-git-send-email-edgar.iglesias@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:28 +01:00
Alistair Francis
2a5a9abd4b target-arm: Add the HSTR_EL2 register
Add the Hypervisor System Trap Register for EL2.

This register is used early in the Linux boot and without it the kernel
aborts with a "Synchronous Abort" error.

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: ea5aae4b10283de4705b864fe9d4bd2eaddaacae.1463174342.git.alistair.francis@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 16:59:28 +01:00
Peter Maydell
280b2358cd readdir_r() to readdir() conversion, various minor cleanups
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
 iEYEABECAAYFAldVR/QACgkQAvw66wEB28JwVQCgiTy4bpShd9GiFgJ+eoSgJnt5
 lLcAn3rnv44g0SpW5M7aK4I8RzyEig0X
 =vbbR
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging

readdir_r() to readdir() conversion, various minor cleanups

# gpg: Signature made Mon 06 Jun 2016 10:52:52 BST
# gpg:                using DSA key 0x02FC3AEB0101DBC2
# gpg: Good signature from "Greg Kurz <gkurz@fr.ibm.com>"
# gpg:                 aka "Greg Kurz <groug@free.fr>"
# gpg:                 aka "Greg Kurz <gkurz@linux.vnet.ibm.com>"
# gpg:                 aka "Gregory Kurz (Groug) <groug@free.fr>"
# gpg:                 aka "Gregory Kurz (Cimai Technology) <gkurz@cimai.com>"
# gpg:                 aka "Gregory Kurz (Meiosys Technology) <gkurz@meiosys.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 2BD4 3B44 535E C0A7 9894  DBA2 02FC 3AEB 0101 DBC2

* remotes/gkurz/tags/for-upstream:
  9p: switch back to readdir()
  9p: add locking to V9fsDir
  9p: introduce the V9fsDir type
  9p: drop useless out: label
  9p: drop useless inclusion of hw/i386/pc.h
  9p/fsdev: remove obsolete references to virtio
  9p: some more cleanup in #include directives

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 15:17:52 +01:00
Peter Maydell
e854d0cf78 virtio-gpu: scanout fix, live migration support
vmsvga: security fixes
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 /Sdtb+hVcoPPrq9g9qspd3DU7anMdbjTMrPepkFVKozK0fHn+LRCDxS5RWFz51C2
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 RIwWZeOLcOBF2BRNI2AY6abMJkMTcMztEn8iNU8lZmSswgJ6cS+4YBjCsQfCxrcR
 aipbzI405D03oWJGSZed08Ud7Prp+tRHnOk/IU6zX5uT84U/0PVKTgUB9/xwq7L7
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 Y8DbkHiwcNrbI8vcKed/VGSUEoidk/NljiGeflzgwPoVlB2dbr6LPov2HNHFW/0/
 /3rRatJhLgucjSeIdDU63ze/4If119YYwtj9EykN/Yhizmjsx0+st6BCsgyTjJXj
 HQ/hAk9wGCc/vhILHVoGQ5NOUqcfS05plyBXKF+GREugN7t/RE/kdtob54NeSqmP
 Jr0v3GmCn1zfKS6sw/iu
 =pera
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/pull-vga-20160606-1' into staging

virtio-gpu: scanout fix, live migration support
vmsvga: security fixes

# gpg: Signature made Mon 06 Jun 2016 08:05:00 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# 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-vga-20160606-1:
  virtio-gpu: add live migration support
  vmsvga: don't process more than 1024 fifo commands at once
  vmsvga: shadow fifo registers
  vmsvga: add more fifo checks
  vmsvga: move fifo sanity checks to vmsvga_fifo_length
  virtio-gpu: fix scanout rectangles

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 13:58:24 +01:00
Mark Cave-Ayland
890e48d7fc scsi-disk: fix reads from scsi-disk devices
Commit fcaafb1001 accidentally broke reads from
scsi-disk devices when being updated from its original form to use the new
byte-based block functions. Add the extra missing sector to offset conversion
in order to restore read functionality.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Tested-by: xiaoqiang zhao <zxq_yx_007@163.com>
Message-id: 1464931021-25117-1-git-send-email-mark.cave-ayland@ilande.co.uk
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 13:23:41 +01:00
Peter Maydell
8625c3ffc8 audio: pa volume fix, some qomifying.
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 eV25w3q/YHLkcvlrN5Hy13hmX6gVjZtOabSsnxB78dM+xUPSn62RoepxWSbj2Z9j
 I4J/D3H+SBpeJ/iV+2y/
 =FQbx
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/pull-audio-20160606-1' into staging

audio: pa volume fix, some qomifying.

# gpg: Signature made Mon 06 Jun 2016 08:01:21 BST
# gpg:                using RSA key 0x4CB6D8EED3E87138
# 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-audio-20160606-1:
  hw/audio: QOM'ify milkymist-ac97.c
  hw/audio: QOM'ify intel-hda
  hw/audio: QOM cleanup for intel-hda
  hw/audio: QOM'ify cs4231.c
  audio: pa: Set volume of recording stream instead of recording device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 12:47:37 +01:00
Peter Maydell
b0491a1a17 Check address ranges for disassembly
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1
 
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 Kpjs9oQqgEClaN4JTjsNOgTkX0PEr8qy9aXPDmVwPLbNigaTLAOGq6w3icoE/edC
 RTkKVmZ9OOtaJn/sbCR6mmkKNWZlJUCZ13L4i9Cl4WTwqR5LXFTCZRrdBvp1qgDj
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 =xp4j
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/rth/tags/pull-tgt-20160605' into staging

Check address ranges for disassembly

# gpg: Signature made Sun 05 Jun 2016 17:30:28 BST
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/pull-tgt-20160605:
  target-*: dfilter support for in_asm

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 12:04:59 +01:00
Peter Wu
5819e3e072 gdbstub: avoid busy loop while waiting for gdb
While waiting for a gdb response, or while sending an acknowledgement
there is not much to do, so do not mark the socket as non-blocking to
avoid a busy loop while paused at gdb. This only affects the user-mode
emulation (qemu-arm -g 1234 ./a.out).

Note that this issue was reported before at
https://lists.nongnu.org/archive/html/qemu-devel/2013-02/msg02277.html.

While at it, close the gdb client fd on EOF or error while reading.

Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 11:15:54 +01:00
Greg Kurz
635324e83e 9p: switch back to readdir()
This patch changes the 9p code to use readdir() again instead of
readdir_r(), which is deprecated in glibc 2.24.

All the locking was put in place by a previous patch.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
7cde47d4a8 9p: add locking to V9fsDir
If several threads concurrently call readdir() with the same directory
stream pointer, it is possible that they all get a pointer to the same
dirent structure, whose content is overwritten each time readdir() is
called.

We must thus serialize accesses to the dirent structure.

This may be achieved with a mutex like below:

lock_mutex();

readdir();

// work with the dirent

unlock_mutex();

This patch adds all the locking, to prepare the switch to readdir().

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
f314ea4e30 9p: introduce the V9fsDir type
If we are to switch back to readdir(), we need a more complex type than
DIR * to be able to serialize concurrent accesses to the directory stream.

This patch introduces a placeholder type and fixes all users.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
8762a46d36 9p: drop useless out: label
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
beff62e683 9p: drop useless inclusion of hw/i386/pc.h
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
af8b38b0d1 9p/fsdev: remove obsolete references to virtio
Most of the 9p code is now virtio agnostic. This patch does a final cleanup:
- drop references to Virtio from the header comments
- fix includes

Also drop a couple of leading empty lines while here.

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Greg Kurz
aae91ad9ae 9p: some more cleanup in #include directives
The "9p-attr.h" header isn't needed by 9p synth and virtio 9p.

While here, also drop last references to virtio from 9p synth since it is
now transport agnostic code.

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
2016-06-06 11:52:34 +02:00
Dmitry Fleytman
de5dca1b79 e1000e: Fix build with gcc 4.6.3 and ust tracing
This patch fixes used-uninitialized false
positive while compiling with ust tracing
backend plus gcc 4.6.3:

hw/net/e1000e.c: In function ‘e1000e_io_write’:
hw/net/e1000e.c:170:39: error: ‘idx’ may be used uninitialized in this function [-Werror=uninitialized]
hw/net/e1000e.c: In function ‘e1000e_io_read’:
hw/net/e1000e.c:145:35: error: ‘idx’ may be used uninitialized in this function [-Werror=uninitialized]
cc1: all warnings being treated as errors
make: *** [hw/net/e1000e.o] Error 1

Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-id: 1465023763-10773-1-git-send-email-dmitry@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-06 09:42:54 +01:00
Gerd Hoffmann
0c244e50ee virtio-gpu: add live migration support
Store some additional state for cursor and resource backing storage,
so we can write out and reload things.  Implement vmsave+vmload for
2d mode.  Continue blocking live migration in 3d/virgl mode.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464009727-7753-1-git-send-email-kraxel@redhat.com
2016-06-06 09:04:34 +02:00
Gerd Hoffmann
4e68a0ee17 vmsvga: don't process more than 1024 fifo commands at once
vmsvga_fifo_run is called in regular intervals (on each display update)
and will resume where it left off.  So we can simply exit the loop,
without having to worry about how processing will continue.

Fixes: CVE-2016-4453
Cc: qemu-stable@nongnu.org
Cc: P J P <ppandit@redhat.com>
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464592161-18348-5-git-send-email-kraxel@redhat.com
2016-06-06 09:04:29 +02:00
Gerd Hoffmann
7e486f7577 vmsvga: shadow fifo registers
The fifo is normal ram.  So kvm vcpu threads and qemu iothread can
access the fifo in parallel without syncronization.  Which in turn
implies we can't use the fifo pointers in-place because the guest
can try changing them underneath us.  So add shadows for them, to
make sure the guest can't modify them after we've applied sanity
checks.

Fixes: CVE-2016-4454
Cc: qemu-stable@nongnu.org
Cc: P J P <ppandit@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464592161-18348-4-git-send-email-kraxel@redhat.com
2016-06-06 09:04:24 +02:00
Gerd Hoffmann
c2e3c54d39 vmsvga: add more fifo checks
Make sure all fifo ptrs are within range.

Fixes: CVE-2016-4454
Cc: qemu-stable@nongnu.org
Cc: P J P <ppandit@redhat.com>
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464592161-18348-3-git-send-email-kraxel@redhat.com
2016-06-06 09:04:19 +02:00
Gerd Hoffmann
5213602678 vmsvga: move fifo sanity checks to vmsvga_fifo_length
Sanity checks are applied when the fifo is enabled by the guest
(SVGA_REG_CONFIG_DONE write).  Which doesn't help much if the guest
changes the fifo registers afterwards.  Move the checks to
vmsvga_fifo_length so they are done each time qemu is about to read
from the fifo.

Fixes: CVE-2016-4454
Cc: qemu-stable@nongnu.org
Cc: P J P <ppandit@redhat.com>
Reported-by: 李强 <liqiang6-s@360.cn>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 1464592161-18348-2-git-send-email-kraxel@redhat.com
2016-06-06 09:03:51 +02:00
Richard Henderson
4910e6e42e target-*: dfilter support for in_asm
The arm target was handled by 06486077, but other targets
were ignored.  This handles all the rest which actually support
disassembly (that is, skipping moxie and tilegx).

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2016-06-05 09:26:24 -07:00
Peter Maydell
6b3532b20b vnc: keyboard delay, colormap support
ui: misc bugfixes
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 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/kraxel/tags/pull-ui-20160603-1' into staging

vnc: keyboard delay, colormap support
ui: misc bugfixes

# gpg: Signature made Fri 03 Jun 2016 08:02:32 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-ui-20160603-1:
  vnc: add configurable keyboard delay
  sdl2: skip init without outputs
  vnc: Add support for color map
  SDL2: add bgrx pixel format
  gtk: fix unchecked vc dereference
  ui: spice: Exit if gl=on EGL init fails
  ui: egl: Replace fprintf with error_report

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-06-03 12:03:36 +01:00