Commit Graph

4640 Commits

Author SHA1 Message Date
Richard Henderson
c30988d15b target/s390x: Pass DisasContext to get_field and have_field
All callers pass s->fields, so we might as well pass s directly.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200123232248.1800-4-richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-01-27 12:13:10 +01:00
Richard Henderson
3f68884b56 target/s390x: Remove DisasFields argument from callbacks
The DisasFields data is available from DisasContext.
We do not need to pass a separate argument.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200123232248.1800-3-richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-01-27 12:13:10 +01:00
Richard Henderson
c9fc893404 target/s390x: Move struct DisasFields definition earlier
We will want to include the struct in DisasContext.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200123232248.1800-2-richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-01-27 12:13:09 +01:00
Thomas Huth
a5c8617af6 target/s390x/kvm: Enable adapter interruption suppression again
The AIS feature has been disabled late in the v2.10 development cycle since
there were some issues with migration (see commit 3f2d07b3b0 -
"s390x/ais: for 2.10 stable: disable ais facility"). We originally wanted
to enable it again for newer machine types, but apparently we forgot to do
this so far. Let's do it now for the machines that support proper CPU models.

Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1756946
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20200122101437.5069-1-thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-01-27 12:13:09 +01:00
Philippe Mathieu-Daudé
596cc12ccd target/s390x: Remove duplicated ifdef macro
Commit ae71ed8610 replaced the use of global max_cpus variable
with a machine property, but introduced a unnecessary ifdef, as
this block is already in the 'not CONFIG_USER_ONLY' branch part:

   86 #if defined(CONFIG_USER_ONLY)
   87
  ...
  106 #else /* !CONFIG_USER_ONLY */
  107
  ...
  292 static void do_ext_interrupt(CPUS390XState *env)
  293 {
  ...
  313 #ifndef CONFIG_USER_ONLY
  314         MachineState *ms = MACHINE(qdev_get_machine());
  315         unsigned int max_cpus = ms->smp.max_cpus;
  316 #endif

To ease code review, remove the duplicated preprocessor macro,
and move the declarations at the beginning of the statement.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-6-philmd@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
2020-01-27 12:13:09 +01:00
Peter Maydell
760df0d121 * Register qdev properties as class properties (Marc-André)
* Cleanups (Philippe)
 * virtio-scsi fix (Pan Nengyuan)
 * Tweak Skylake-v3 model id (Kashyap)
 * x86 UCODE_REV support and nested live migration fix (myself)
 * Advisory mode for pvpanic (Zhenwei)
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
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 =TD0Y
 -----END PGP SIGNATURE-----

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

* Register qdev properties as class properties (Marc-André)
* Cleanups (Philippe)
* virtio-scsi fix (Pan Nengyuan)
* Tweak Skylake-v3 model id (Kashyap)
* x86 UCODE_REV support and nested live migration fix (myself)
* Advisory mode for pvpanic (Zhenwei)

# gpg: Signature made Fri 24 Jan 2020 20:16:23 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (58 commits)
  build-sys: clean up flags included in the linker command line
  target/i386: Add the 'model-id' for Skylake -v3 CPU models
  qdev: use object_property_help()
  qapi/qmp: add ObjectPropertyInfo.default-value
  qom: introduce object_property_help()
  qom: simplify qmp_device_list_properties()
  vl: print default value in object help
  qdev: register properties as class properties
  qdev: move instance properties to class properties
  qdev: rename DeviceClass.props
  qdev: set properties with device_class_set_props()
  object: return self in object_ref()
  object: release all props
  object: add object_class_property_add_link()
  object: express const link with link property
  object: add direct link flag
  object: rename link "child" to "target"
  object: check strong flag with &
  object: do not free class properties
  object: add object_property_set_default
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-27 09:44:04 +00:00
Kashyap Chamarthy
673b0add9e target/i386: Add the 'model-id' for Skylake -v3 CPU models
This fixes a confusion in the help output.  (Although, if you squint
long enough at the '-cpu help' output, you _do_ notice that
"Skylake-Client-noTSX-IBRS" is an alias of "Skylake-Client-v3";
similarly for Skylake-Server-v3.)

Without this patch:

    $ qemu-system-x86 -cpu help
    ...
    x86 Skylake-Client-v1     Intel Core Processor (Skylake)
    x86 Skylake-Client-v2     Intel Core Processor (Skylake, IBRS)
    x86 Skylake-Client-v3     Intel Core Processor (Skylake, IBRS)
    ...
    x86 Skylake-Server-v1     Intel Xeon Processor (Skylake)
    x86 Skylake-Server-v2     Intel Xeon Processor (Skylake, IBRS)
    x86 Skylake-Server-v3     Intel Xeon Processor (Skylake, IBRS)
    ...

With this patch:

    $ ./qemu-system-x86 -cpu help
    ...
    x86 Skylake-Client-v1     Intel Core Processor (Skylake)
    x86 Skylake-Client-v2     Intel Core Processor (Skylake, IBRS)
    x86 Skylake-Client-v3     Intel Core Processor (Skylake, IBRS, no TSX)
    ...
    x86 Skylake-Server-v1     Intel Xeon Processor (Skylake)
    x86 Skylake-Server-v2     Intel Xeon Processor (Skylake, IBRS)
    x86 Skylake-Server-v3     Intel Xeon Processor (Skylake, IBRS, no TSX)
    ...

Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20200123090116.14409-1-kchamart@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:17 +01:00
Marc-André Lureau
4f67d30b5e qdev: set properties with device_class_set_props()
The following patch will need to handle properties registration during
class_init time. Let's use a device_class_set_props() setter.

spatch --macro-file scripts/cocci-macro-file.h  --sp-file
./scripts/coccinelle/qdev-set-props.cocci --keep-comments --in-place
--dir .

@@
typedef DeviceClass;
DeviceClass *d;
expression val;
@@
- d->props = val
+ device_class_set_props(d, val)

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-20-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:15 +01:00
Marc-André Lureau
94d912d192 qdev: remove extraneous error
All callers use error_abort, and even the function itself calls with
error_abort.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20200110153039.1379601-4-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:12 +01:00
Philippe Mathieu-Daudé
4f7f589381 accel: Replace current_machine->accelerator by current_accel() wrapper
We actually want to access the accelerator, not the machine, so
use the current_accel() wrapper instead.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-10-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:11 +01:00
Philippe Mathieu-Daudé
d70c996df2 target/arm/kvm: Use CPUState::kvm_state in kvm_arm_pmu_supported()
KVMState is already accessible via CPUState::kvm_state, use it.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200121110349.25842-5-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:11 +01:00
Paolo Bonzini
32c87d70ff target/i386: kvm: initialize microcode revision from KVM
KVM can return the host microcode revision as a feature MSR.
Use it as the default value for -cpu host.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-4-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:10 +01:00
Paolo Bonzini
4e45aff398 target/i386: add a ucode-rev property
Add the property and plumb it in TCG and HVF (the latter of which
tried to support returning a constant value but used the wrong MSR).

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-3-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:09 +01:00
Paolo Bonzini
420ae1fc51 target/i386: kvm: initialize feature MSRs very early
Some read-only MSRs affect the behavior of ioctls such as
KVM_SET_NESTED_STATE.  We can initialize them once and for all
right after the CPU is realized, since they will never be modified
by the guest.

Reported-by: Qingua Cheng <qcheng@redhat.com>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1579544504-3616-2-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:09 +01:00
Greg Kurz
bc9888f759 cpu: Use cpu_class_set_parent_reset()
Convert all targets to use cpu_class_set_parent_reset() with the following
coccinelle script:

@@
type CPUParentClass;
CPUParentClass *pcc;
CPUClass *cc;
identifier parent_fn;
identifier child_fn;
@@
+cpu_class_set_parent_reset(cc, child_fn, &pcc->parent_fn);
-pcc->parent_fn = cc->reset;
...
-cc->reset = child_fn;

Signed-off-by: Greg Kurz <groug@kaod.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Message-Id: <157650847817.354886.7047137349018460524.stgit@bahia.lan>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-24 20:59:06 +01:00
Peter Maydell
ba2ed84fe6 RISC-V Patches for the 5.0 Soft Freeze, Part 1
This patch set contains a handful of collected fixes that I'd like to target
 for the 5.0 soft freeze (I know that's a long way away, I just don't know what
 else to call these):
 
 * A fix for a memory leak initializing the sifive_u board.
 * Fixes to privilege mode emulation related to interrupts and fstatus.
 
 Notably absent is the H extension implementation.  That's pretty much reviewed,
 but not quite ready to go yet and I didn't want to hold back these important
 fixes.  This boots 32-bit and 64-bit Linux (buildroot this time, just for fun)
 and passes "make check".
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAl4ngWATHHBhbG1lckBk
 YWJiZWx0LmNvbQAKCRAuExnzX7sYiT4eD/450dJ8tGRJKA7V/XEYFM4yYZ87cgsE
 HSF3E4lOTdjqp+wNwag2P1uIFJO1snqAa+6qwQFLsPRtGwn43hQzTbay86L7sPK8
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Merge remote-tracking branch 'remotes/palmer/tags/riscv-for-master-5.0-sf1' into staging

RISC-V Patches for the 5.0 Soft Freeze, Part 1

This patch set contains a handful of collected fixes that I'd like to target
for the 5.0 soft freeze (I know that's a long way away, I just don't know what
else to call these):

* A fix for a memory leak initializing the sifive_u board.
* Fixes to privilege mode emulation related to interrupts and fstatus.

Notably absent is the H extension implementation.  That's pretty much reviewed,
but not quite ready to go yet and I didn't want to hold back these important
fixes.  This boots 32-bit and 64-bit Linux (buildroot this time, just for fun)
and passes "make check".

# gpg: Signature made Tue 21 Jan 2020 22:55:28 GMT
# gpg:                using RSA key 2B3C3747446843B24A943A7A2E1319F35FBB1889
# gpg:                issuer "palmer@dabbelt.com"
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmer@sifive.com>" [unknown]
# gpg:                 aka "Palmer Dabbelt <palmerdabbelt@google.com>" [unknown]
# 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: 00CE 76D1 8349 60DF CE88  6DF8 EF4C A150 2CCB AB41
#      Subkey fingerprint: 2B3C 3747 4468 43B2 4A94  3A7A 2E13 19F3 5FBB 1889

* remotes/palmer/tags/riscv-for-master-5.0-sf1:
  target/riscv: update mstatus.SD when FS is set dirty
  target/riscv: fsd/fsw doesn't dirty FP state
  target/riscv: Fix tb->flags FS status
  riscv: Set xPIE to 1 after xRET
  riscv/sifive_u: fix a memory leak in soc_realize()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-24 12:34:04 +00:00
Andrew Jones
538baab245 target/arm/arch_dump: Add SVE notes
When dumping a guest with dump-guest-memory also dump the SVE
registers if they are in use.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200120101832.18781-1-drjones@redhat.com
[PMM: fixed checkpatch nits]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-23 15:34:04 +00:00
Vincent Dehors
de0b1bae64 target/arm: Fix PAuth sbox functions
In the PAC computation, sbox was applied over wrong bits.
As this is a 4-bit sbox, bit index should be incremented by 4 instead of 16.

Test vector from QARMA paper (https://eprint.iacr.org/2016/444.pdf) was
used to verify one computation of the pauth_computepac() function which
uses sbox2.

Launchpad: https://bugs.launchpad.net/bugs/1859713
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Vincent DEHORS <vincent.dehors@smile.fr>
Signed-off-by: Adrien GRASSEIN <adrien.grassein@smile.fr>
Message-id: 20200116230809.19078-2-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-23 15:22:38 +00:00
Clement Deschamps
90f671581a target/arm: add PMU feature to cortex-r5 and cortex-r5f
The PMU is not optional on cortex-r5 and cortex-r5f (see
the "Features" chapter of the Technical Reference Manual).

Signed-off-by: Clement Deschamps <clement.deschamps@greensocs.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200114105918.2366370-1-clement.deschamps@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-23 15:22:38 +00:00
Laurent Vivier
322f244aaa m68k: Fix regression causing Single-Step via GDB/RSP to not single step
A regression that was introduced, with the refactor to TranslatorOps,
drops two lines that update the PC when single-stepping is being performed.

Fixes: 11ab74b01e ("target/m68k: Convert to TranslatorOps")
Reported-by: Lucien Murray-Pitts <lucienmp_antispam@yahoo.com>
Suggested-by: Lucien Murray-Pitts <lucienmp_antispam@yahoo.com>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200116165454.2076265-1-laurent@vivier.eu>
2020-01-21 13:05:45 +01:00
Peter Maydell
7fb38daf25 Add model of the Netduino Plus 2 board
Some allwinner-a10 code cleanup
 New test cases for cubieboard
 target/arm/arm-semi: fix SYS_OPEN to return nonzero filehandle
 i.MX: add an emulation for RNGC device
 target/arm: adjust program counter for wfi exception in AArch32
 arm/gicv3: update virtual irq state after IAR register read
 Set IL bit correctly for syndrome information for data aborts
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 =R9Xb
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200117-1' into staging

Add model of the Netduino Plus 2 board
Some allwinner-a10 code cleanup
New test cases for cubieboard
target/arm/arm-semi: fix SYS_OPEN to return nonzero filehandle
i.MX: add an emulation for RNGC device
target/arm: adjust program counter for wfi exception in AArch32
arm/gicv3: update virtual irq state after IAR register read
Set IL bit correctly for syndrome information for data aborts

# gpg: Signature made Fri 17 Jan 2020 14:27:40 GMT
# 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-20200117-1:
  target/arm: Set ISSIs16Bit in make_issinfo
  target/arm: Return correct IL bit in merge_syn_data_abort
  arm/gicv3: update virtual irq state after IAR register read
  target/arm: adjust program counter for wfi exception in AArch32
  i.MX: add an emulation for RNGC
  target/arm/arm-semi: fix SYS_OPEN to return nonzero filehandle
  hw/arm/allwinner-a10: Remove local qemu_irq variables
  hw/arm/allwinner-a10: Simplify by passing IRQs with qdev_pass_gpios()
  hw/arm/allwinner-a10: Move SoC definitions out of header
  tests/boot_linux_console: Add a SD card test for the CubieBoard
  tests/boot_linux_console: Add initrd test for the CubieBoard
  hw/arm: Add the Netduino Plus 2
  hw/arm: Add the STM32F4xx SoC
  hw/misc: Add the STM32F4xx EXTI device
  hw/misc: Add the STM32F4xx Sysconfig device

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 17:27:20 +00:00
Richard Henderson
1a1fbc6cbb target/arm: Set ISSIs16Bit in make_issinfo
During the conversion to decodetree, the setting of
ISSIs16Bit got lost.  This causes the guest os to
incorrectly adjust trapping memory operations.

Cc: qemu-stable@nongnu.org
Fixes: 46beb58efb ("target/arm: Convert T16, load (literal)")
Reported-by: Jeff Kubascik <jeff.kubascik@dornerworks.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200117004618.2742-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 14:27:16 +00:00
Jeff Kubascik
30d544839e target/arm: Return correct IL bit in merge_syn_data_abort
The IL bit is set for 32-bit instructions, thus passing false
with the is_16bit parameter to syn_data_abort_with_iss() makes
a syn mask that always has the IL bit set.

Pass is_16bit as true to make the initial syn mask have IL=0,
so that the final IL value comes from or'ing template_syn.

Cc: qemu-stable@nongnu.org
Fixes: aaa1f954d4 ("target-arm: A64: Create Instruction Syndromes for Data Aborts")
Signed-off-by: Jeff Kubascik <jeff.kubascik@dornerworks.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200117004618.2742-2-richard.henderson@linaro.org
[rth: Extracted this as a self-contained bug fix from a larger patch]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 14:27:16 +00:00
Jeff Kubascik
855532912b target/arm: adjust program counter for wfi exception in AArch32
The wfi instruction can be configured to be trapped by a higher exception
level, such as the EL2 hypervisor. When the instruction is trapped, the
program counter should contain the address of the wfi instruction that
caused the exception. The program counter is adjusted for this in the wfi op
helper function.

However, this correction is done to env->pc, which only applies to AArch64
mode. For AArch32, the program counter is stored in env->regs[15]. This
adds an if-else statement to modify the correct program counter location
based on the the current CPU mode.

Signed-off-by: Jeff Kubascik <jeff.kubascik@dornerworks.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 14:27:16 +00:00
Masahiro Yamada
21bf9b06cb target/arm/arm-semi: fix SYS_OPEN to return nonzero filehandle
According to the specification "Semihosting for AArch32 and Aarch64",
the SYS_OPEN operation should return:

 - A nonzero handle if the call is successful
 - -1 if the call is not successful

So, it should never return 0.

Prior to commit 35e9a0a8ce ("target/arm/arm-semi: Make semihosting
code hand out its own file descriptors"), the guest fd matched to the
host fd. It returned a nonzero handle on success since the fd 0 is
already used for stdin.

Now that the guest fd is the index of guestfd_array, it starts from 0.

I noticed this issue particularly because Trusted Firmware-A built with
PLAT=qemu is no longer working. Its io_semihosting driver only handles
a positive return value as a valid filehandle.

Basically, there are two ways to fix this:

  - Use (guestfd - 1) as the index of guestfs_arrary. We need to insert
    increment/decrement to convert the guestfd and the array index back
    and forth.

  - Keep using guestfd as the index of guestfs_array. The first entry
    of guestfs_array is left unused.

I thought the latter is simpler. We end up with wasting a small piece
of memory for the unused first entry of guestfd_array, but this is
probably not a big deal.

Fixes: 35e9a0a8ce ("target/arm/arm-semi: Make semihosting code hand out its own file descriptors")
Cc: qemu-stable@nongnu.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200109041228.10131-1-masahiroy@kernel.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 14:09:30 +00:00
Peter Maydell
43ed232fbf Fix FPSCR masking
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Merge remote-tracking branch 'remotes/rth/tags/pull-or1k-20200116' into staging

Fix FPSCR masking

# gpg: Signature made Fri 17 Jan 2020 00:51:41 GMT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-or1k-20200116:
  target/openrisc: Fix FPCSR mask to allow setting DZF

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-17 13:09:00 +00:00
Stafford Horne
97a254b3f0 target/openrisc: Fix FPCSR mask to allow setting DZF
The mask used when setting FPCSR allows setting bits 10 to 1.  However,
OpenRISC has flags and config bits in 11 to 1, 11 being Divide by Zero
Flag (DZF).  This seems like an off-by-one bug.

This was found when testing the GLIBC test suite which has test cases to
set and clear all bits.

Signed-off-by: Stafford Horne <shorne@gmail.com>
Message-Id: <20200110212843.27335-1-shorne@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-16 14:50:43 -10:00
ShihPo Hung
82f014671c
target/riscv: update mstatus.SD when FS is set dirty
remove the check becuase SD bit should summarize FS and XS fields
unconditionally.

Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-01-16 10:03:15 -08:00
ShihPo Hung
a59796eb6d
target/riscv: fsd/fsw doesn't dirty FP state
Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-01-16 10:03:08 -08:00
ShihPo Hung
613fa160e1
target/riscv: Fix tb->flags FS status
It was found that running libquantum on riscv-linux qemu produced an
incorrect result. After investigation, FP registers are not saved
during context switch due to incorrect mstatus.FS.

In current implementation tb->flags merges all non-disabled state to
dirty. This means the code in mark_fs_dirty in translate.c that
handles initial and clean states is unreachable.

This patch fixes it and is successfully tested with:
  libquantum

Thanks to Richard for pointing out the actual bug.

v3: remove the redundant condition
v2: root cause FS problem

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-01-16 10:02:58 -08:00
Yiting Wang
a37f21c27d
riscv: Set xPIE to 1 after xRET
When executing an xRET instruction, supposing xPP holds the
value y, xIE is set to xPIE; the privilege mode is changed to y;
xPIE is set to 1. But QEMU sets xPIE to 0 incorrectly.

Signed-off-by: Yiting Wang <yiting.wang@windriver.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-01-16 10:02:41 -08:00
Philippe Mathieu-Daudé
dcb32f1d8f tcg: Search includes from the project root source directory
We currently search both the root and the tcg/ directories for tcg
files:

  $ git grep '#include "tcg/' | wc -l
  28

  $ git grep '#include "tcg[^/]' | wc -l
  94

To simplify the preprocessor search path, unify by expliciting the
tcg/ directory.

Patch created mechanically by running:

  $ for x in \
      tcg.h tcg-mo.h tcg-op.h tcg-opc.h \
      tcg-op-gvec.h tcg-gvec-desc.h; do \
    sed -i "s,#include \"$x\",#include \"tcg/$x\"," \
      $(git grep -l "#include \"$x\""); \
    done

Acked-by: David Gibson <david@gibson.dropbear.id.au> (ppc parts)
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200101112303.20724-2-philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
5a376e4f40 target/ppc: Use cpu_*_mmuidx_ra instead of MMU_MODE*_SUFFIX
There are only two uses.  Within dcbz_common, the local variable
mmu_idx already contains the epid computation, and we can avoid
repeating it for the store.  Within helper_icbiep, the usage is
trivially expanded using PPC_TLB_EPID_LOAD.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
ed53a636e8 target/s390x: Use cpu_*_mmuidx_ra instead of MMU_MODE*_SUFFIX
The generated functions aside from *_real are unused.
The *_real functions have a couple of users in mem_helper.c;
use *_mmuidx_ra instead, with MMU_REAL_IDX.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Use *_mmuidx_ra directly, without intermediate macros.
2020-01-15 15:13:10 -10:00
Richard Henderson
7dd547e5ab target/mips: Use cpu_*_mmuidx_ra instead of MMU_MODE*_SUFFIX
The separate suffixed functions were used to construct
some do_##insn function switched on mmu_idx.  The interface
is exactly identical to the *_mmuidx_ra functions.  Replace
them directly and remove the constructions.

Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
330edfcc84 target/m68k: Use cpu_*_mmuidx_ra instead of MMU_MODE{0,1}_SUFFIX
The generated *_user functions are unused.  The *_kernel functions
have a couple of users in op_helper.c; use *_mmuidx_ra instead,
with MMU_KERNEL_IDX.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Use *_mmuidx_ra directly, without intermediate macros.
2020-01-15 15:13:10 -10:00
Richard Henderson
28c4b86928 target/xtensa: Remove MMU_MODE{0,1,2,3}_SUFFIX
The functions generated by these macros are unused.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
5a13571b01 target/unicore32: Remove MMU_MODE{0,1}_SUFFIX
The functions generated by these macros are unused.

Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
345a3a1412 target/sh4: Remove MMU_MODE{0,1}_SUFFIX
The functions generated by these macros are unused.

Cc: Aurelien Jarno <aurelien@aurel32.net>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
39ac437037 target/microblaze: Remove MMU_MODE{0,1,2}_SUFFIX
The functions generated by these macros are unused.

Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
5d1c4ffc98 target/i386: Remove MMU_MODE{0,1,2}_SUFFIX
The functions generated by these macros are unused.

Cc: Eduardo Habkost <ehabkost@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
91a19bc9b0 target/cris: Remove MMU_MODE{0,1}_SUFFIX
The functions generated by these macros are unused.

Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
cb0d85f0b8 target/alpha: Remove MMU_MODE{0,1}_SUFFIX
The functions generated by these macros are unused.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
e24f57d7a3 target/nios2: Remove MMU_MODE{0,1}_SUFFIX
The functions generated by these macros are unused.

Cc: Chris Wulff <crwulff@gmail.com>
Cc: Marek Vasut <marex@denx.de>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
21ffbdc908 target/i386: Use cpu_*_mmuidx_ra instead of templates
Do not use exec/cpu_ldst_{,useronly_}template.h directly,
but instead use the functional interface.

Cc: Eduardo Habkost <ehabkost@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:10 -10:00
Richard Henderson
3b3be95a07 target/arm: Include tcg.h in sve_helper.c
Code movement in an upcoming patch will show that this file
was implicitly depending on tcg.h being included indirectly.

Cc: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:09 -10:00
Richard Henderson
61150039d4 target/s390x: Include tcg.h in mem_helper.c
Code movement in an upcoming patch will show that this file
was implicitly depending on tcg.h being included indirectly.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:09 -10:00
Richard Henderson
ecd3571eb1 target/xtensa: Use probe_access for itlb_hit_test
We don't actually need the result of the read, only to probe that the
memory mapping exists.  This is exactly what probe_access does.

This is also the only user of any cpu_ld*_code_ra function.
Removing this allows the interface to be removed shortly.

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2020-01-15 15:13:09 -10:00
Peter Maydell
abd5f8bb95 Fix some uninitialized variable warnings,
some memory leak warnings and update MAINTAINERS file.
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging

Fix some uninitialized variable warnings,
some memory leak warnings and update MAINTAINERS file.

# gpg: Signature made Wed 08 Jan 2020 16:02:11 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/trivial-branch-pull-request:
  vl: fix memory leak in configure_accelerators
  arm/translate-a64: fix uninitialized variable warning
  nbd: fix uninitialized variable warning
  util/module: fix a memory leak
  MAINTAINERS: Update Yuval Shaia's email address

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-13 09:50:48 +00:00
Peter Maydell
b952544fe8 * Compat machines fix (Denis)
* Command line parsing fixes (Michal, Peter, Xiaoyao)
 * Cooperlake CPU model fixes (Xiaoyao)
 * i386 gdb fix (mkdolata)
 * IOEventHandler cleanup (Philippe)
 * icount fix (Pavel)
 * RR support for random number sources (Pavel)
 * Kconfig fixes (Philippe)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Compat machines fix (Denis)
* Command line parsing fixes (Michal, Peter, Xiaoyao)
* Cooperlake CPU model fixes (Xiaoyao)
* i386 gdb fix (mkdolata)
* IOEventHandler cleanup (Philippe)
* icount fix (Pavel)
* RR support for random number sources (Pavel)
* Kconfig fixes (Philippe)

# gpg: Signature made Wed 08 Jan 2020 10:41:00 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (38 commits)
  chardev: Use QEMUChrEvent enum in IOEventHandler typedef
  chardev: use QEMUChrEvent instead of int
  chardev/char: Explicit we ignore some QEMUChrEvent in IOEventHandler
  monitor/hmp: Explicit we ignore a QEMUChrEvent in IOEventHandler
  monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler
  virtio-console: Explicit we ignore some QEMUChrEvent in IOEventHandler
  vhost-user-blk: Explicit we ignore few QEMUChrEvent in IOEventHandler
  vhost-user-net: Explicit we ignore few QEMUChrEvent in IOEventHandler
  vhost-user-crypto: Explicit we ignore some QEMUChrEvent in IOEventHandler
  ccid-card-passthru: Explicit we ignore QEMUChrEvent in IOEventHandler
  hw/usb/redirect: Explicit we ignore few QEMUChrEvent in IOEventHandler
  hw/usb/dev-serial: Explicit we ignore few QEMUChrEvent in IOEventHandler
  hw/char/terminal3270: Explicit ignored QEMUChrEvent in IOEventHandler
  hw/ipmi: Explicit we ignore some QEMUChrEvent in IOEventHandler
  hw/ipmi: Remove unnecessary declarations
  target/i386: Add missed features to Cooperlake CPU model
  target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES
  target/i386: Fix handling of k_gs_base register in 32-bit mode in gdbstub
  hw/rtc/mc146818: Add missing dependency on ISA Bus
  hw/nvram/Kconfig: Restrict CHRP NVRAM to machines using OpenBIOS or SLOF
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-01-10 17:16:49 +00:00