Replace the int64 softfloat-specific typedef with int64_t.
This change was made with
find include fpu target-* -name '*.[ch]' | xargs sed -i -e 's/\bint64\b/int64_t/g'
together with manual removal of the typedef definition, and
manual undoing of some mis-hits where macro arguments were
being used for token pasting rather than as a type.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Acked-by: Leon Alrae <leon.alrae@imgtec.com>
Message-id: 1452603315-27030-2-git-send-email-peter.maydell@linaro.org
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Merge remote-tracking branch 'remotes/gkurz/tags/for-upstream' into staging
fprintf to error_report conversion in hw/9pfs and fsdev
# gpg: Signature made Fri 22 Jan 2016 14:23:15 GMT using DSA key ID 0101DBC2
# 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:
fsdev: use error_report() instead of fprintf(stderr)
9pfs: use error_report() instead of fprintf(stderr)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To catch the error message. Also modify the caller
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To catch the error message. Also modify the caller
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
To catch the error message. Also modify the caller
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
No need to roll our own (with slightly incorrect handling of errno),
when we can use the common version.
Change signed parsing to unsigned, because what it read are values in
PCI config space, which are non-negative.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
And assert the snprintf() error, because user can do nothing in case of
snprintf() fail.
Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com>
Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging
X86 queue, 2016-01-21
# gpg: Signature made Thu 21 Jan 2016 15:08:40 GMT using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
* remotes/ehabkost/tags/x86-pull-request:
target-i386: Add PKU and and OSPKE support
target-i386: Add support to migrate vcpu's TSC rate
target-i386: Reorganize TSC rate setting code
target-i386: Fallback vcpu's TSC rate to value returned by KVM
target-i386: Add suffixes to MMReg struct fields
target-i386: Define MMREG_UNION macro
target-i386: Define MMXReg._d field
target-i386: Rename XMM_[BWLSDQ] helpers to ZMM_*
target-i386: Rename struct XMMReg to ZMMReg
target-i386: Use a _q array on MMXReg too
target-i386/ops_sse.h: Use MMX_Q macro
target-i386: Rename optimize_flags_init()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* connect SPI devices in Xilinx Zynq platforms
* multiple-address-space support
* use multiple-address-space support for ARM TrustZone
* arm_gic: return correct ID registers for 11MPCore/v1/v2 GICs
* various fixes for (currently disabled) AArch64 EL2 and EL3 support
* add 'always-on' property to the virt board timer DT entry
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20160121' into staging
target-arm queue:
* connect SPI devices in Xilinx Zynq platforms
* multiple-address-space support
* use multiple-address-space support for ARM TrustZone
* arm_gic: return correct ID registers for 11MPCore/v1/v2 GICs
* various fixes for (currently disabled) AArch64 EL2 and EL3 support
* add 'always-on' property to the virt board timer DT entry
# gpg: Signature made Thu 21 Jan 2016 14:54:56 GMT using RSA key ID 14360CDE
# 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-20160121: (36 commits)
target-arm: Implement FPEXC32_EL2 system register
target-arm: ignore ELR_ELx[1] for exception return to 32-bit ARM mode
target-arm: Implement remaining illegal return event checks
target-arm: Handle exception return from AArch64 to non-EL0 AArch32
target-arm: Fix wrong AArch64 entry offset for EL2/EL3 target
target-arm: Pull semihosting handling out to arm_cpu_do_interrupt()
target-arm: Use a single entry point for AArch64 and AArch32 exceptions
target-arm: Move aarch64_cpu_do_interrupt() to helper.c
target-arm: Properly support EL2 and EL3 in arm_el_is_aa64()
arm_gic: Update ID registers based on revision
hw/arm/virt: Add always-on property to the virt board timer
hw/arm/virt: add secure memory region and UART
hw/arm/virt: Wire up memory region to CPUs explicitly
target-arm: Support multiple address spaces in page table walks
target-arm: Implement cpu_get_phys_page_attrs_debug
target-arm: Implement asidx_from_attrs
target-arm: Add QOM property for Secure memory region
qom/cpu: Add MemoryRegion property
memory: Add address_space_init_shareable()
exec.c: Use correct AddressSpace in watch_mem_read and watch_mem_write
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch enables migrating vcpu's TSC rate. If KVM on the
destination machine supports TSC scaling, guest programs will
observe a consistent TSC rate across the migration.
If TSC scaling is not supported on the destination machine, the
migration will not be aborted and QEMU on the destination will
not set vcpu's TSC rate to the migrated value.
If vcpu's TSC rate specified by CPU option 'tsc-freq' on the
destination machine is inconsistent with the migrated TSC rate,
the migration will be aborted.
For backwards compatibility, the migration of vcpu's TSC rate is
disabled on pc-*-2.5 and older machine types.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
[ehabkost: Rewrote comment at kvm_arch_put_registers()]
[ehabkost: Moved compat code to pc-2.5]
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Following changes are made to the TSC rate setting code in
kvm_arch_init_vcpu():
* The code is moved to a new function kvm_arch_set_tsc_khz().
* If kvm_arch_set_tsc_khz() fails, i.e. following two conditions are
both satisfied:
* KVM does not support the TSC scaling or it fails to set vcpu's
TSC rate by KVM_SET_TSC_KHZ,
* the TSC rate to be set is different than the value currently used
by KVM, then kvm_arch_init_vcpu() will fail. Prevously,
* the lack of TSC scaling never failed kvm_arch_init_vcpu(),
* the failure of KVM_SET_TSC_KHZ failed kvm_arch_init_vcpu()
unconditionally, even though the TSC rate to be set is identical
to the value currently used by KVM.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
If no user-specified TSC rate is present, we will try to set
env->tsc_khz to the value returned by KVM_GET_TSC_KHZ. This patch
does not change the current functionality of QEMU and just
prepares for later patches to enable migrating vcpu's TSC rate.
Signed-off-by: Haozhong Zhang <haozhong.zhang@intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This will ensure we never use the MMX_* and ZMM_* macros with the
wrong struct type.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This will simplify the definitions of ZMMReg and MMXReg.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Add a new field and reorder MMXReg fields, to make MMXReg and
ZMMReg field lists look the same (except for the array sizes).
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
They are helpers for the ZMMReg fields, so name them accordingly.
This is just a global search+replace, no other changes are being
introduced.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The struct represents a 512-bit register, so name it accordingly.
This is just a global search+replace, no other changes are being
introduced.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Make MMXReg use the same field names used on XMMReg, so we can
try to reuse macros and other code later.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Rename the function so that the reason for its existence is
clearer: it does x86-specific initialization of TCG structures.
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The AArch64 FPEXC32_EL2 system register is visible at EL2 and EL3,
and allows those exception levels to read and write the FPEXC
register for a lower exception level that is using AArch32.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1453132414-8127-1-git-send-email-peter.maydell@linaro.org
The architecture requires that for an exception return to AArch32 the
low bits of ELR_ELx are ignored when the PC is set from them:
* if returning to Thumb mode, ignore ELR_ELx[0]
* if returning to ARM mode, ignore ELR_ELx[1:0]
We were only squashing bit 0; also squash bit 1 if the SPSR T bit
indicates this is a return to ARM code.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
We already implement almost all the checks for the illegal
return events from AArch64 state described in the ARM ARM section
D1.11.2. Add the two missing ones:
* return to EL2 when EL3 is implemented and SCR_EL3.NS is 0
* return to Non-secure EL1 when EL2 is implemented and HCR_EL2.TGE is 1
(We don't implement external debug, so the case of "debug state exit
from EL0 using AArch64 state to EL0 using AArch32 state" doesn't apply
for QEMU.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Remove the assumptions that the AArch64 exception return code was
making about a return to AArch32 always being a return to EL0.
This includes pulling out the illegal-SPSR checks so we can apply
them for return to 32 bit as well as return to 64-bit.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
The entry offset when taking an exception to AArch64 from a lower
exception level may be 0x400 or 0x600. 0x400 is used if the
implemented exception level immediately lower than the target level
is using AArch64, and 0x600 if it is using AArch32. We were
incorrectly implementing this as checking the exception level
that the exception was taken from. (The two can be different if
for example we take an exception from EL0 to AArch64 EL3; we should
in this case be checking EL2 if EL2 is implemented, and EL1 if
EL2 is not implemented.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Handling of semihosting calls should depend on the register width
of the calling code, not on that of any higher exception level,
so we need to identify and handle semihosting calls before we
decide whether to deliver the exception as an entry to AArch32
or AArch64. (EXCP_SEMIHOST is also an "internal exception" so
it has no target exception level in the first place.)
This will allow AArch32 EL1 code to use semihosting calls when
running under an AArch64 EL3.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If EL2 or EL3 is present on an AArch64 CPU, then exceptions can be
taken to an exception level which is running AArch32 (if only EL0
and EL1 are present then EL1 must be AArch64 and all exceptions are
taken to AArch64). To support this we need to have a single
implementation of the CPU do_interrupt() method which can handle both
32 and 64 bit exception entry.
Pull the common parts of aarch64_cpu_do_interrupt() and
arm_cpu_do_interrupt() out into a new function which calls
either the AArch32 or AArch64 specific entry code once it has
worked out which one is needed.
We temporarily special-case the handling of EXCP_SEMIHOST to
avoid an assertion in arm_el_is_aa64(); the next patch will
pull all the semihosting handling out to the arm_cpu_do_interrupt()
level (since semihosting semantics depend on the register width
of the calling code, not on that of any higher EL).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Move the aarch64_cpu_do_interrupt() function to helper.c. We want
to be able to call this from code that isn't AArch64-only, and
the move allows us to avoid awkward #ifdeffery at the callsite.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Support EL2 and EL3 in arm_el_is_aa64() by implementing the
logic for checking the SCR_EL3 and HCR_EL2 register-width bits
as appropriate to determine the register width of lower exception
levels.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Update the GIC ID registers (registers above 0xfe0) based on the GIC
revision instead of using the sames values for all GIC implementations.
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Tested-by: Sören Brinkmann <soren.brinkmann@xilinx.com>
Message-id: 629e7fa5d47f2800e51cc1f18d12635f1eece349.1453333840.git.alistair.francis@xilinx.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The virt board has an arch timer, which is always on. Emit the
"always-on" property to indicate to Linux that it can switch off the
periodic timer and reduces the amount of interrupts injected into a
guest.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Message-id: 1453204158-11412-1-git-send-email-christoffer.dall@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a secure memory region to the virt board, which is the
same as the nonsecure memory region except that it also has
a secure-only UART in it. This is only created if the
board is started with the '-machine secure=on' property.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Wire up the system memory region to the CPUs explicitly
by setting the QOM property. This doesn't change anything
over letting it default, but will be needed for adding
a secure memory region later.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
If we have a secure address space, use it in page table walks:
when doing the physical accesses to read descriptors, make them
through the correct address space.
(The descriptor reads are the only direct physical accesses
made in target-arm/ for CPUs which might have TrustZone.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Implement cpu_get_phys_page_attrs_debug instead of cpu_get_phys_page_debug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Implement the asidx_from_attrs CPU method to return the
Secure or NonSecure address space as appropriate.
(The function is inline so we can use it directly in target-arm
code to be added in later patches.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Add QOM property to the ARM CPU which boards can use to tell us what
memory region to use for secure accesses. Nonsecure accesses
go via the memory region specified with the base CPU class 'memory'
property.
By default, if no secure region is specified it is the same as the
nonsecure region, and if no nonsecure region is specified we will use
address_space_memory.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Add a MemoryRegion property, which if set is used to construct
the CPU's initial (default) AddressSpace.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[PMM: code is moved from qom/cpu.c to exec.c to avoid having to
make qom/cpu.o be a non-common object file; code to use the
MemoryRegion and to default it to system_memory added.]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
This will either create a new AS or return a pointer to an
already existing equivalent one, if we have already created
an AS for the specified root memory region.
The motivation is to reuse address spaces as much as possible.
It's going to be quite common that bus masters out in device land
have pointers to the same memory region for their mastering yet
each will need to create its own address space. Let the memory
API implement sharing for them.
Aside from the perf optimisations, this should reduce the amount
of redundant output on info mtree as well.
Thee returned value will be malloced, but the malloc will be
automatically freed when the AS runs out of refs.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[PMM: dropped check for NULL root as unused; added doc-comment;
squashed Peter C's reference-counting patch into this one;
don't compare name string when deciding if we can share ASes;
read as->malloced before the unref of as->root to avoid possible
read-after-free if as->root was the owner of as]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
In the watchpoint access routines watch_mem_read and watch_mem_write,
find the correct AddressSpace to use from current_cpu and the memory
transaction attributes, rather than always assuming address_space_memory.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Use cpu_get_phys_page_attrs_debug() when doing virtual-to-physical
conversions in debug related code, so that we can obtain the right
address space index and thus select the correct AddressSpace,
rather than always using cpu->as.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Add a function to return the AddressSpace for a CPU based on
its numerical index. (Callers outside exec.c don't have access
to the CPUAddressSpace struct so can't just fish it out of the
CPUState struct directly.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Pass the MemTxAttrs for the memory access to iotlb_to_region(); this
allows it to determine the correct AddressSpace to use for the lookup.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
