qbus_reset_all can be used instead. There is no semantic change
because pcibus_reset returns 1 and takes care of the device
tree traversal.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fix bogus CPU hotplug GPE handler.
Make Q35 CPU hotplug GPE handler match PIIX4 one, since
CPU hotplug event is triggered by GPE0.2 register.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it fixes IRQ storm since guest isn't able to lower SCI IRQ
after it has been handled when it clears GPE event.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
... and rename it into acpi_update_sci() since it changes
SCI on only on PM registers status.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Hardcoded GPE0 mask isn't really needed. Since GPE0_STS initialized
with all bits cleared and only QEMU itself can set bits there (i.e.
guest can only clear bits in it). So guest can't triger SCI
by setting _STS & _EN bits and there is not reason to mask out not
supported _STS bits since they shouldn't be set by QEMU in the first
place.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Check whether the firmware is not hidden by other memory regions.
Qemu is started in paused mode: it shouldn't try to interpret generated
garbage.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The blob is 64K in size and contains 0x00..0xFF repeatedly.
The client code added to main() wouldn't make much sense in the long term.
It helps with debugging and it silences gcc about create_blob_file() being
unused, and we'll replace it in the next patch anyway.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The current two GTest cases, /i440fx/defaults and /i440fx/pam can share a
qemu process, but the next two cases will need dedicated instances. It is
messy (and order-dependent) to dynamically configure GTest cases one by
one to start, stop, or keep the current qtest (*); let's just have each
GTest work with its own qtest. The performance difference should be
negligible.
(*) As g_test_run() can be invoked at most once per process startup, and
it runs GTest cases in sequence, we'd need clumsy data structures to
control each GTest case to start/stop/keep the qemu instance. Or, we'd
have to code the same information into the test methods themselves, which
would make them even more order-dependent.
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Similarly to commit 1d9358e6
("libqtest: New qtest_end() to go with qtest_start()").
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This patch allows the user to usefully specify
-drive file=img_1,if=pflash,format=raw,readonly \
-drive file=img_2,if=pflash,format=raw
on the command line. The flash images will be mapped under 4G in their
reverse unit order -- that is, with their base addresses progressing
downwards, in increasing unit order.
(The unit number increases with command line order if not explicitly
specified.)
This accommodates the following use case: suppose that OVMF is split in
two parts, a writeable host file for non-volatile variable storage, and a
read-only part for bootstrap and decompressible executable code.
The binary code part would be read-only, centrally managed on the host
system, and passed in as unit 0. The variable store would be writeable,
VM-specific, and passed in as unit 1.
00000000ffe00000-00000000ffe1ffff (prio 0, R-): system.flash1
00000000ffe20000-00000000ffffffff (prio 0, R-): system.flash0
(If the guest tries to write to the flash range that is backed by the
read-only drive, pflash_update() is never called; various flash
programming/erase errors are returned to the guest instead. See the
callers of pflash_update(), and the initialization of "pfl->ro", in
"hw/block/pflash_cfi01.c".)
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Map 3G (i440fx) of memory below 4G, so the RAM pieces
are nicely aligned to gigabyte borders.
Keep old memory layout for (a) old machine types and (b) in case all
memory fits below 4G and thus we don't have to split RAM into pieces
in the first place. The later makes sure this change doesn't take
away memory from 32bit guests.
So, with i440fx and up to 3.5 GB of memory, all of it will be mapped
below 4G. With more than 3.5 GB of memory 3 GB will be mapped below
4G and the remaining amount will be mapped above 4G.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The recent VSX patches broken compilation of QEMU when configurated
with --enable-debug, as it was treating "target long" TCG variables
as "i64" which is not true for 32bit targets.
This patch fixes all the places that the compiler has found to use
the correct variable type and if necessary manually cast.
Reported-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This covers mostly minor bug fixes and implements the SIGP START
hypercall which allows to start a remote CPU without changing its
state.
Cornelia Huck (1):
s390x/kvm: Fix diagnose handling.
Thomas Huth (7):
s390x/kvm: Removed duplicated SIGP defines
s390x/kvm: Removed s390_store_status stub
s390x/kvm: Fix coding style in handle_sigp()
s390x/kvm: Implemented SIGP START
s390x/kvm: Simplified the calculation of the SIGP order code
s390x/kvm: Fixed condition code for unknown SIGP orders
s390x/ioinst: CHSC has to set a condition code
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Merge tag 'signed-s390-for-upstream' of git://github.com/agraf/qemu
Patch queue for s390 - 2013-12-18
This covers mostly minor bug fixes and implements the SIGP START
hypercall which allows to start a remote CPU without changing its
state.
Cornelia Huck (1):
s390x/kvm: Fix diagnose handling.
Thomas Huth (7):
s390x/kvm: Removed duplicated SIGP defines
s390x/kvm: Removed s390_store_status stub
s390x/kvm: Fix coding style in handle_sigp()
s390x/kvm: Implemented SIGP START
s390x/kvm: Simplified the calculation of the SIGP order code
s390x/kvm: Fixed condition code for unknown SIGP orders
s390x/ioinst: CHSC has to set a condition code
* tag 'signed-s390-for-upstream' of git://github.com/agraf/qemu:
s390x/ioinst: CHSC has to set a condition code
s390x/kvm: Fixed condition code for unknown SIGP orders
s390x/kvm: Simplified the calculation of the SIGP order code
s390x/kvm: Implemented SIGP START
s390x/kvm: Fix coding style in handle_sigp()
s390x/kvm: Removed s390_store_status stub
s390x/kvm: Removed duplicated SIGP defines
s390x/kvm: Fix diagnose handling.
The comments apply to 8-bit stores, not 8-byte stores.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Alexander Graf (3):
PPC: Use default pci bus name for grackle and heathrow
roms: Flush icache when writing roms to guest memory
PPC: Add VSX to hflags
Alexey Kardashevskiy (5):
powerpc: add PVR mask support
target-ppc: move POWER7+ to a separate family
spapr-rtas: replace return code constants with macros
spapr-rtas: add ibm, (get|set)-system-parameter
spapr: make sure RMA is in first mode of first memory node
Greg Kurz (1):
target-ppc: add stubs for KVM breakpoints
Paolo Bonzini (1):
spapr: tie spapr-nvram to -pflash
Paul Mackerras (1):
spapr: limit numa memory regions by ram size
Peter Crosthwaite (2):
device_tree: s/qemu_devtree/qemu_fdt globally
device_tree: qemu_fdt_setprop: Rename val_array arg
Tom Musta (19):
Declare and Enable VSX
Add MSR VSX and Associated Exception
Add VSX Instruction Decoders
Add VSR to Global Registers
Add lxvd2x
Add stxvd2x
Add xxpermdi
Add lxsdx
Add lxvdsx
Add lxvw4x
Add stxsdx
Add stxvw4x
Add VSX Scalar Move Instructions
Add VSX Vector Move Instructions
Add Power7 VSX Logical Instructions
Add xxmrgh/xxmrgl
Add xxsel
Add xxspltw
Add xxsldwi
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Merge remote-tracking branch 'agraf/tags/signed-ppc-for-upstream' into staging
Patch queue for ppc - 2013-12-20
Alexander Graf (3):
PPC: Use default pci bus name for grackle and heathrow
roms: Flush icache when writing roms to guest memory
PPC: Add VSX to hflags
Alexey Kardashevskiy (5):
powerpc: add PVR mask support
target-ppc: move POWER7+ to a separate family
spapr-rtas: replace return code constants with macros
spapr-rtas: add ibm, (get|set)-system-parameter
spapr: make sure RMA is in first mode of first memory node
Greg Kurz (1):
target-ppc: add stubs for KVM breakpoints
Paolo Bonzini (1):
spapr: tie spapr-nvram to -pflash
Paul Mackerras (1):
spapr: limit numa memory regions by ram size
Peter Crosthwaite (2):
device_tree: s/qemu_devtree/qemu_fdt globally
device_tree: qemu_fdt_setprop: Rename val_array arg
Tom Musta (19):
Declare and Enable VSX
Add MSR VSX and Associated Exception
Add VSX Instruction Decoders
Add VSR to Global Registers
Add lxvd2x
Add stxvd2x
Add xxpermdi
Add lxsdx
Add lxvdsx
Add lxvw4x
Add stxsdx
Add stxvw4x
Add VSX Scalar Move Instructions
Add VSX Vector Move Instructions
Add Power7 VSX Logical Instructions
Add xxmrgh/xxmrgl
Add xxsel
Add xxspltw
Add xxsldwi
* agraf/tags/signed-ppc-for-upstream: (32 commits)
spapr: limit numa memory regions by ram size
spapr: make sure RMA is in first mode of first memory node
device_tree: qemu_fdt_setprop: Rename val_array arg
device_tree: s/qemu_devtree/qemu_fdt globally
PPC: Add VSX to hflags
Add xxsldwi
Add xxspltw
Add xxsel
Add xxmrgh/xxmrgl
Add Power7 VSX Logical Instructions
Add VSX Vector Move Instructions
Add VSX Scalar Move Instructions
roms: Flush icache when writing roms to guest memory
spapr: tie spapr-nvram to -pflash
PPC: Use default pci bus name for grackle and heathrow
spapr-rtas: add ibm, (get|set)-system-parameter
spapr-rtas: replace return code constants with macros
target-ppc: move POWER7+ to a separate family
Add stxvw4x
Add stxsdx
...
This makes sure that all NUMA memory blocks reside within RAM or
have zero length.
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
The SPAPR specification says that the RMA starts at the LPAR's logical
address 0 and is the first logical memory block reported in
the LPAR’s device tree.
So SLOF only maps the first block and that block needs to span
the full RMA.
This makes sure that the RMA area is where SLOF expects it.
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Looking at the implementation, this doesn't really have a lot to do
with arrays. Its just a pointer to a buffer and is passed through
to the wrapped fn (qemu_fdt_setprop) unchanged. So rename to make it
consistent with libfdt, which in the wrapped function just calls it
"val".
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
The qemu_devtree API is a wrapper around the fdt_ set of APIs.
Rename accordingly.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
[agraf: also convert hw/arm/virt.c]
Signed-off-by: Alexander Graf <agraf@suse.de>
We generate different code depending on whether MSR_VSX is set or
clear, so it needs to be part of our hflags too which indicate whether
we're still in the same translation block cache bucket.
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX Shift Left Double by Word Immediate
(xxsldwi) instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX Splat Word (xxsplatw) instruction.
This is the first instruction to use the UIM immediate field
and consequently a decoder is also added.
V2: reworked implementation per Richard Henderson's comments.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX Select (xxsel) instruction.
The xxsel instruction has four VSR operands. Thus the xC
instruction decoder is added.
The xxsel instruction is massively overloaded in the opcode
table since only bits 26 and 27 are opcode bits. This
overloading is done in matrix fashion with two macros
(GEN_XXSEL_ROW and GEN_XX_SEL).
V2: (1) eliminated unecessary XXSEL macro (2) tighter implementation
using tcg_gen_andc_i64.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX Merge High Word and VSX Merge Low Word
instructions.
V2: Now implemented using deposit (per Richard Henderson's comment)
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX logical instructions that are defined
by the Version 2.06 Power ISA (aka Power7):
- xxland
- xxlandc
- xxlor
- xxlxor
- xxlnor
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the VSX scalar move instructions:
- xsabsdp (Scalar Absolute Value Double-Precision)
- xsnabspd (Scalar Negative Absolute Value Double-Precision)
- xsnegdp (Scalar Negate Double-Precision)
- xscpsgndp (Scalar Copy Sign Double-Precision)
A common generator macro (VSX_SCALAR_MOVE) is added since these
instructions vary only slightly from each other.
Macros to support VSX XX2 and XX3 form opcodes are also added.
These macros handle the overloading of "opcode 2" space (instruction
bits 26:30) caused by AX and BX bits (29 and 30, respectively).
V3: Per feedback from Paolo Bonzini, moved the sign mask into a
temporary and used andc.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
We use the rom infrastructure to write firmware and/or initial kernel
blobs into guest address space. So we're basically emulating the cache
off phase on very early system bootup.
That phase is usually responsible for clearing the instruction cache for
anything it writes into cachable memory, to ensure that after reboot we
don't happen to execute stale bits from the instruction cache.
So we need to invalidate the icache every time we write a rom into guest
address space. We do not need to do this for every DMA since the guest
expects it has to flush the icache manually in that case.
This fixes random reboot issues on e5500 (booke ppc) for me.
Signed-off-by: Alexander Graf <agraf@suse.de>
spapr-nvram's drive property is currently connected to a non-existent
"-machine nvram=<drivename>" option. Instead, tie it to -pflash like
other non-volatile RAM devices. This provides the following possibilities
for adding a backend for the sPAPR non-volatile RAM:
* -pflash filename
* -drive if=pflash,file=filename,format=raw,...
* -drive if=none,file=filename,format=raw,id=foo,... -global spapr-nvram.drive=foo
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
There's no good reason to call our bus "pci" rather than let the default
bus name take over ("pci.0").
The big downside to calling it different from anyone else is that tools
that pass -device get confused. They are looking for a bus "pci.0" rather
than "pci".
To make life easier for everyone, let's just drop the name override.
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds very basic handlers for ibm,get-system-parameter and
ibm,set-system-parameter RTAS calls.
The only parameter handled at the moment is
"platform-processor-diagnostics-run-mode" which is always disabled and
does not support changing. This is expected to make
"ppc64_cpu --run-mode=1" happy.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: s/papameter/parameter/g]
Signed-off-by: Alexander Graf <agraf@suse.de>
So far POWER7+ was a part of POWER7 family. However it has a different
PVR base value so in order to support PVR masks, it needs a separate
family class.
This adds a new family class, PVR base and mask values and moves
Power7+ v2.1 CPU to a new family. The class init function is copied
from the POWER7 family.
This defines a firmware name for the new family as "PowerPC,POWER7+"
instead of previously used "PowerPC,POWER7" from the POWER7 family.
The reason for that is that the Sapphire firmware (a h0st firmware)
uses "PowerPC,POWER7+" already and since no specification defines
exactly the CPU nodes naming in the device tree, we better stay
in sync with the host firmware.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the Store VSX Vector Word*4 Indexed (stxvw4x)
instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the Store VSX Scalar Doubleword Indexed (stxsdx)
instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the Load VSX Vector Word*4 Indexed (lxvw4x)
instruction.
V2: changed to use deposit_i64 per Richard Henderson's review.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the Load VSX Vector Doubleword & Splat Indexed
(lxvdsx) instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the Load VSX Scalar Doubleowrd Indexed (lxsdx)
instruction.
The lower 8 bytes of the target register are undefined; this
implementation leaves those bytes unaltered.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the xxpermdi instruction. The instruction
uses bits 22, 23, 29 and 30 for non-opcode fields (DM, AX
and BX). This results in overloading of the opcode table
with aliases, which can be seen in the GEN_XX3FORM_DM
macro.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the stxvd2x instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the lxvd2x instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds VSX VSRs to the the list of global register indices.
More specifically, it adds the lower halves of the first 32 VSRs to
the list of global register indices. The upper halves of the first
32 VSRs are already defined via cpu_fpr[]. And the second 32 VSRs
are already defined via the cpu_avrh[] and cpu_avrl[] arrays.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds decoders for the VSX fields XT, XS, XA, XB and
DM. The first four are split fields and a general helper for
these types of fields is also added.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds support for the VSX bit of the PowerPC Machine
State Register (MSR) as well as the corresponding VSX Unavailable
exception.
The VSX bit is added to the defined bits masks of the Power7 and
Power8 CPU models.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This patch adds the flag POWERPC_FLAG_VSX to the list of defined
flags and also adds this flag to the list of supported features of
the Power7 and Power8 CPUs. Additionally, the VSX instructions
are added to the list of TCG-enabled instruction.
Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
IBM POWERPC processors encode PVR as a CPU family in higher 16 bits and
a CPU version in lower 16 bits. Since there is no significant change
in behavior between versions, there is no point to add every single CPU
version in QEMU's CPU list. Also, new CPU versions of already supported
CPU won't break the existing code.
This adds PVR value/mask support for KVM, i.e. for -cpu host option.
As CPU family class name for POWER7 is "POWER7-family", there is no need
to touch aliases.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
