The unsigned saturations are handled via generic code
using min/max. The signed saturations are expanded using
double-sized arithmetic and a saturating pack.
Since all operations are done via expansion, do not
actually set TCG_TARGET_HAS_sat_vec.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
These logical and arithmetic operations are optional but trivial.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Implementing add, sub, and, or, xor as the minimal set.
This allows us to actually enable vectors in query_s390_facilities.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add registers and function stubs. The functionality
is disabled via squashing s390_facilities[2] to 0.
We must still include results for the mandatory opcodes in
tcg_target_op_def, as all opcodes are checked during tcg init.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
They are rightly values in the same enumeration.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We will shortly need to be able to check facilities beyond the
first 64. Instead of explicitly masking against s390_facilities,
create a HAVE_FACILITY macro that indexes an array.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
v2: Change name to HAVE_FACILITY (david)
This emphasizes that we don't support s390, only 64-bit s390x hosts.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
For usadd, we only have to consider overflow. Since ~B + B == -1,
the maximum value for A that saturates is ~B.
For ussub, we only have to consider underflow. The minimum value
that saturates to 0 from A - B is B.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Despite the comment, the members were not kept at the end.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is no point in encoding load/store within a bit of
the memory trace info operand. Represent atomic operations
as a single read-modify-write tracepoint. Use MemOpIdx
instead of inventing a form specifically for traces.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Use the MemOpIdx directly, rather than the rearrangement
of the same bits currently done by the trace infrastructure.
Pass in enum qemu_plugin_mem_rw so that we are able to treat
read-modify-write operations as a single operation.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We will shortly use the MemOpIdx directly, but in the meantime
re-compute the trace meminfo.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We (will) often have the complete MemOpIdx handy, so use that.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Move this code from tcg/tcg.h to its own header.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We're about to move this out of tcg.h, so rename it
as we did when moving MemOp.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We have lacked expressive support for memory sizes larger
than 64-bits for a while. Fixing that requires adjustment
to several points where we used this for array indexing,
and two places that develop -Wswitch warnings after the change.
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We are already inconsistent about whether or not
MO_SIGN is set in trace_mem_get_info. Dropping it
entirely allows some simplification.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
dup_const always generates a uint64_t, which may exceed the size of a
target_long (generating warnings with recent-enough compilers).
To ensure that we can use dup_const both for 64bit and 32bit targets,
this adds dup_const_tl, which either maps back to dup_const (for 64bit
targets) or provides a similar implementation using 32bit constants.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Message-Id: <20211003214243.3813425-1-philipp.tomsich@vrull.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
By using PKG_CONFIG_PATH instead of PKG_CONFIG_LIBDIR,
we were still including the 64-bit packages. Install
pcre-devel.i686 to fill a missing glib2 dependency.
By using --extra-cflags instead of --cpu, we incorrectly
use the wrong probing during meson.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210930163636.721311-3-richard.henderson@linaro.org>
The image was upgraded to a full image in ee381b7fe1.
This makes it possible to use docker-test@image syntax
with this container.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210930163636.721311-2-richard.henderson@linaro.org>
For unknown and unrepeatable reasons, the cross-i386-tci test has
started failing. "Fix" this by updating the container to use fedora 34.
Add sysprof-capture-devel as a new dependency of glib2-devel that
was not correctly spelled out in the rpm rules.
Use dnf update Just In Case -- there are presently out-of-date
packages in the upstream docker registry.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20211005205846.153724-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
A huge acpi refactoring.
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc,pci,virtio: features, fixes
A huge acpi refactoring.
Fixes, cleanups all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Tue 05 Oct 2021 02:31:11 PM PDT
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
* remotes/mst/tags/for_upstream: (47 commits)
hw/i386/amd_iommu: Add description/category to TYPE_AMD_IOMMU_PCI
hw/i386/amd_iommu: Rename SysBus specific functions as amdvi_sysbus_X()
hw/i386/amd_iommu: Rename amdviPCI TypeInfo
nvdimm: release the correct device list
virtio-balloon: Fix page-poison subsection name
bios-tables-test: Update ACPI DSDT table golden blobs for q35
hw/i386/acpi: fix conflicting IO address range for acpi pci hotplug in q35
bios-tables-test: allow changes in DSDT ACPI tables for q35
acpi: AcpiGenericAddress no longer used to map/access fields of MMIO, drop packed attribute
acpi: remove no longer used build_header()
acpi: build_facs: use build_append_int_noprefix() API to compose table
acpi: arm/virt: build_gtdt: use acpi_table_begin()/acpi_table_end() instead of build_header()
acpi: arm/virt: build_spcr: use acpi_table_begin()/acpi_table_end() instead of build_header()
acpi: arm/virt: build_spcr: fix invalid cast
acpi: arm/virt: convert build_iort() to endian agnostic build_append_FOO() API
acpi: arm: virt: build_iort: use acpi_table_begin()/acpi_table_end() instead of build_header()
acpi: arm: virt: build_dsdt: use acpi_table_begin()/acpi_table_end() instead of build_header()
acpi: build_dsdt_microvm: use acpi_table_begin()/acpi_table_end() instead of build_header()
acpi: arm/virt: madt: use build_append_int_noprefix() API to compose MADT table
acpi: x86: madt: use build_append_int_noprefix() API to compose MADT table
...
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
TYPE_AMD_IOMMU_PCI is user-creatable but not well described.
Implement its class_init() handler to add it to the 'Misc
devices' category, and add a description.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210926175648.1649075-4-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Various functions are SysBus specific. Rename them using the
consistent amdvi_sysbus_XXX() pattern, to differentiate them
from PCI specific functions (which we'll add in the next
commit).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210926175648.1649075-3-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Per 'QEMU Coding Style':
Naming
======
Variables are lower_case_with_underscores; easy to type and read.
Rename amdviPCI variable as amdvi_pci.
amdviPCI_register_types() register more than PCI types:
TYPE_AMD_IOMMU_DEVICE inherits TYPE_X86_IOMMU_DEVICE which
itself inherits TYPE_SYS_BUS_DEVICE.
Rename it more generically as amdvi_register_types().
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210926175648.1649075-2-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Message-Id: <20210624110415.187164-1-lizhijian@cn.fujitsu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
The subsection name for page-poison was typo'd as:
vitio-balloon-device/page-poison
Note the missing 'r' in virtio.
When we have a machine type that enables page poison, and the guest
enables it (which needs a new kernel), things fail rather unpredictably.
The fallout from this is that most of the other subsections fail to
load, including things like the feature bits in the device, one
possible fallout is that the physical addresses of the queues
then get aligned differently and we fail with an error about
last_avail_idx being wrong.
It's not obvious to me why this doesn't produce a more obvious failure,
but virtio's vmstate loading is a bit open-coded.
Fixes: 7483cbbaf8 ("virtio-balloon: Implement support for page poison reporting feature")
bz: https://bugzilla.redhat.com/show_bug.cgi?id=1984401
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20210914131716.102851-1-dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Change caf108bc58 ("hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35")
selects an IO address range for acpi based PCI hotplug for q35 arbitrarily. It
starts at address 0x0cc4 and ends at 0x0cdb. At the time when the patch was
written but the final version of the patch was not yet pushed upstream, this
address range was free and did not conflict with any other IO address ranges.
However, with the following change, this address range was no
longer conflict free as in this change, the IO address range
(value of ACPI_PCIHP_SIZE) was incremented by four bytes:
b32bd763a1 ("pci: introduce acpi-index property for PCI device")
This can be seen from the output of QMP command 'info mtree' :
0000000000000600-0000000000000603 (prio 0, i/o): acpi-evt
0000000000000604-0000000000000605 (prio 0, i/o): acpi-cnt
0000000000000608-000000000000060b (prio 0, i/o): acpi-tmr
0000000000000620-000000000000062f (prio 0, i/o): acpi-gpe0
0000000000000630-0000000000000637 (prio 0, i/o): acpi-smi
0000000000000cc4-0000000000000cdb (prio 0, i/o): acpi-pci-hotplug
0000000000000cd8-0000000000000ce3 (prio 0, i/o): acpi-cpu-hotplug
It shows that there is a region of conflict between IO regions of acpi
pci hotplug and acpi cpu hotplug.
Unfortunately, the change caf108bc58 did not update the IO address range
appropriately before it was pushed upstream to accommodate the increased
length of the IO address space introduced in change b32bd763a1.
Due to this bug, windows guests complain 'This device cannot find
enough free resources it can use' in the device manager panel for extended
IO buses. This issue also breaks the correct functioning of pci hotplug as the
following shows that the IO space for pci hotplug has been truncated:
(qemu) info mtree -f
FlatView #0
AS "I/O", root: io
Root memory region: io
0000000000000cc4-0000000000000cd7 (prio 0, i/o): acpi-pci-hotplug
0000000000000cd8-0000000000000cf7 (prio 0, i/o): acpi-cpu-hotplug
Therefore, in this fix, we adjust the IO address range for the acpi pci
hotplug so that it does not conflict with cpu hotplug and there is no
truncation of IO spaces. The starting IO address of PCI hotplug region
has been decremented by four bytes in order to accommodate four byte
increment in the IO address space introduced by change
b32bd763a1 ("pci: introduce acpi-index property for PCI device")
After fixing, the following are the corrected IO ranges:
0000000000000600-0000000000000603 (prio 0, i/o): acpi-evt
0000000000000604-0000000000000605 (prio 0, i/o): acpi-cnt
0000000000000608-000000000000060b (prio 0, i/o): acpi-tmr
0000000000000620-000000000000062f (prio 0, i/o): acpi-gpe0
0000000000000630-0000000000000637 (prio 0, i/o): acpi-smi
0000000000000cc0-0000000000000cd7 (prio 0, i/o): acpi-pci-hotplug
0000000000000cd8-0000000000000ce3 (prio 0, i/o): acpi-cpu-hotplug
This change has been tested using a Windows Server 2019 guest VM. Windows
no longer complains after this change.
Fixes: caf108bc58 ("hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/561
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Julia Suvorova <jusual@redhat.com>
Message-Id: <20210916132838.3469580-3-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We are going to commit a change to fix IO address range allocated for acpi pci
hotplug in q35. This affects DSDT tables. This change allows DSDT table
modification so that unit tests are not broken.
Signed-off-by: Ani Sinha <ani@anisinha.ca>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210916132838.3469580-2-ani@anisinha.ca>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-36-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-35-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Drop usage of packed structures and explicit endian
conversions when building table and use endian agnostic
build_append_int_noprefix() API to build it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-34-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
while at it, replace packed structure with endian agnostic
build_append_FOO() API.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-33-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
while at it, replace packed structure with endian agnostic
build_append_FOO() API.
PS:
Spec is Microsoft hosted, however 1.02 is no where to be found
(MS lists only the current revision) and the current revision is 1.07,
so bring comments in line with 1.07 as this is the only available spec.
There is no content change between originally implemented 1.02
(using QEMU code as reference) and 1.07. The only change is renaming
'Reserved2' field to 'Language', with the same 0 value.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-32-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
implicit cast to structure uint8_t member didn't raise error when
assigning value from incorrect enum, but when using build_append_gas()
(next patch) it will error out with (clang):
implicit conversion from enumeration type 'AmlRegionSpace'
to different enumeration type 'AmlAddressSpace'
fix cast error by using correct AML_AS_SYSTEM_MEMORY enum
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-31-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Drop usage of packed structures and explicit endian conversions
when building IORT table use endian agnostic build_append_int_noprefix()
API to build it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210924122802.1455362-30-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-29-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-28-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
it replaces error-prone pointer arithmetic for build_header() API,
with 2 calls to start and finish table creation,
which hides offsets magic from API user.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-27-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Drop usage of packed structures and explicit endian conversions
when building MADT table for arm/x86 and use endian agnostic
build_append_int_noprefix() API to build it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-26-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Drop usage of packed structures and explicit endian conversions
when building MADT table for arm/x86 and use endian agnostic
build_append_int_noprefix() API to build it.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-25-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Instead of composing disabled _MAT entry and then later on
patching it to enabled for hotpluggbale CPUs in DSDT,
set it to enabled at the time _MAT entry is built.
It will allow to drop usage of packed structures in
following patches when build_madt() is switched to use
build_append_int_noprefix() API.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20210924122802.1455362-24-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
