Put more flags to work to avoid hardcoding lists of opcodes. The op7 case
for SSE_OPF_CMP is included for homogeneity and because AVX needs it, but
it is never used by SSE or MMX.
Extracted from a patch by Paul Brook <paul@nowt.org>.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Handle 3DNOW instructions early to avoid complicating the MMX/SSE logic.
Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-25-paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a flags field each row in sse_op_table6 and sse_op_table7.
Initially this is only used as a replacement for the magic SSE41_SPECIAL
pointer. The other flags are mostly relevant for the AVX implementation
but can be applied to SSE as well.
Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-6-paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a flags field to each row in sse_op_table1.
Initially this is only used as a replacement for the magic
SSE_SPECIAL and SSE_DUMMY pointers, the other flags are mostly
relevant for the AVX implementation but can be applied to SSE as well.
Signed-off-by: Paul Brook <paul@nowt.org>
Message-Id: <20220424220204.2493824-5-paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add a convenience macro to get the address of an xmm_regs element within
CPUX86State.
This was originally going to be the basis of an implementation that broke
operations into 128 bit chunks. I scrapped that idea, so this is now a purely
cosmetic change. But I think a worthwhile one - it reduces the number of
function calls that need to be split over multiple lines.
No functional changes.
Signed-off-by: Paul Brook <paul@nowt.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220424220204.2493824-9-paul@nowt.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Extracted from a patch by Paul Brook <paul@nowt.org>.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Write down explicitly the load/store sequence.
Extracted from a patch by Paul Brook <paul@nowt.org>.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tests for correct operation of most x86-64 SSE instructions.
It should cover all combinations of overlapping register and memory
operands on a set of random-ish data.
Results are bit-identical to an Intel i5-8500, with the exception of
the RCPSS and RSQRT approximations where the real CPU gives less accurate
results (the Intel spec allows relative errors up to 1.5 * 2^-12)
Signed-off-by: Paul Brook <paul@nowt.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220424220204.2493824-42-paul@nowt.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.
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Merge tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu into staging
ppc patch queue for 2022-08-31:
In the first 7.2 queue we have changes in the powernv pnv-phb handling,
the start of the QOMification of the ppc405 model, the removal of the
taihu machine, a new SLOF image and others.
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# gpg: Signature made Wed 31 Aug 2022 16:09:58 EDT
# gpg: using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.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: 17EB FF99 23D0 1800 AF28 3819 3CD9 CA96 DE03 3164
* tag 'pull-ppc-20220831' of https://gitlab.com/danielhb/qemu: (60 commits)
ppc4xx: Fix code style problems reported by checkpatch
ppc/ppc4xx: Fix sdram trace events
hw/ppc/Kconfig: Move imply before select
hw/ppc/sam460ex: Remove PPC405 dependency from sam460ex
ppc405: Move machine specific code to ppc405_boards.c
ppc/ppc405: QOM'ify FPGA
ppc/ppc405: Use an explicit I2C object
hw/intc/ppc-uic: Convert ppc-uic to a PPC4xx DCR device
ppc/ppc405: Use an embedded PPCUIC model in SoC state
ppc4xx: Rename ppc405-ebc to ppc4xx-ebc
ppc4xx: Move EBC model to ppc4xx_devs.c
ppc4xx: Rename ppc405-plb to ppc4xx-plb
ppc4xx: Move PLB model to ppc4xx_devs.c
ppc/ppc405: QOM'ify MAL
ppc/ppc405: QOM'ify PLB
ppc/ppc405: QOM'ify POB
ppc/ppc405: QOM'ify OPBA
ppc/ppc405: QOM'ify EBC
ppc/ppc405: QOM'ify DMA
ppc/ppc405: QOM'ify GPIO
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The DPPS (Dot Product) instruction is defined to first sum pairs of
intermediate results, then sum those values to get the final result.
i.e. (A+B)+(C+D)
We incrementally sum the results, i.e. ((A+B)+C)+D, which can result
in incorrect rouding.
For consistency, also change the variable names to the ones used
in the Intel SDM and implement DPPD following the manual.
Based on a patch by Paul Brook <paul@nowt.org>.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The computation must not overwrite neither the destination
nor the source before the last element has been computed.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cover all BMI1 and BMI2 instructions, both 32- and 64-bit.
Due to the use of inlines, the test now has to be compiled with -O2.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Include test-i386-bmi2, and specify manually the tests (only one for now)
that need -cpu max.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The KVM_DIRTY_GFN_F_DIRTY flag ensures that the entry is valid. If
the read of the fields are not ordered after the read of the flag,
QEMU might see stale values.
Cc: Gavin Shan <gshan@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While Meson buildsystem accepts the 'false' as a value
for boolean options, it's not covered by the specification
and in general invalid. Some alternative Meson implementations,
like Muon, do not accept 'false' or 'true' as a valid value
for the boolean options.
See https://mesonbuild.com/Build-options.html
Signed-off-by: Anton Kochkov <anton.kochkov@proton.me>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220817143538.2107779-1-anton.kochkov@proton.me>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Instead of using feature_not_found(), which is not a good match because
there is no "remedy" to fix the lack of makecontext(), just print a
custom error.
This happens to remove the last use of feature_not_found(), so remove
the definition and the documentation.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm_put_sregs2() fails to reset 'locked' CR4/CR0 bits upon vCPU reset when
it is in VMX root operation. Do kvm_put_msr_feature_control() before
kvm_put_sregs2() to (possibly) kick vCPU out of VMX root operation. It also
seems logical to do kvm_put_msr_feature_control() before
kvm_put_nested_state() and not after it, especially when 'real' nested
state is set.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20220818150113.479917-3-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Make sure env->nested_state is cleaned up when a vCPU is reset, it may
be stale after an incoming migration, kvm_arch_put_registers() may
end up failing or putting vCPU in a weird state.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20220818150113.479917-2-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In scsi_req_parse_cdb(), if the CDB length implied by the command type
exceeds the initialized portion of the command buffer, reject the request.
Rejected requests are recorded by the `scsi_req_parse_bad` trace event.
On example of a bug detected by this check is SunOS's use of interleaved
DMA and non-DMA commands. This guest behavior currently causes QEMU to
parse uninitialized memory as a SCSI command, with unpredictable
outcomes.
With the new check in place:
* QEMU consistently creates a trace event and rejects the request.
* SunOS retries the request(s) and is able to successfully boot from
disk.
Signed-off-by: John Millikin <john@john-millikin.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1127
Message-Id: <20220817053458.698416-2-john@john-millikin.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When a SCSI command is received from the guest, the CDB length implied
by the first byte might exceed the number of bytes the guest sent. In
this case scsi_req_new() will read uninitialized data, causing
unpredictable behavior.
Adds the buf_len parameter to scsi_req_new() and plumbs it through the
call stack.
Signed-off-by: John Millikin <john@john-millikin.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1127
Message-Id: <20220817053458.698416-1-john@john-millikin.com>
[Fill in correct length for adapters other than ESP. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Per investigation on the linked ticket, SunOS issues a SCSI bus reset
to the ESP as part of its boot sequence. If this ESP command doesn't
cause devices to assert sense flag UNIT ATTENTION, SunOS will consider
the CD-ROM device to be non-compliant with Common Command Set (CCS).
In this condition, the SunOS installer's early userspace doesn't set
the installation source location to sr0 and the miniroot copy fails.
Signed-off-by: John Millikin <john@john-millikin.com>
Suggested-by: Bill Paul <noisetube@gmail.com>
Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1127
Message-Id: <20220817053846.699310-1-john@john-millikin.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This bit is not saved across interrupts, so we must
delay delivering the interrupt until the skip has
been processed.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1118
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
We cannot deliver two interrupts simultaneously;
the first interrupt handler must execute first.
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
There is no need to go through cc->tcg_ops when
we know what value that must have.
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
While there are no target-specific nonfaulting probes,
generic code may grow some uses at some point.
Note that the attrs argument was incorrect -- it should have
been MEMTXATTRS_UNSPECIFIED. Just use the simpler interface.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Two preparation patches for the upcoming removal of the slirp submodule
* Some other small test fixes (typos, etc.)
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Merge tag 'testing-pull-request-2022-08-30' of https://gitlab.com/thuth/qemu into staging
* First batch of patches to get qtests adapted for Windows
* Two preparation patches for the upcoming removal of the slirp submodule
* Some other small test fixes (typos, etc.)
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# gpg: Signature made Tue 30 Aug 2022 14:29:11 EDT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'testing-pull-request-2022-08-30' of https://gitlab.com/thuth/qemu: (23 commits)
tests/avocado/migration: Get find_free_port() from the ports
tests/qtest/ac97-test: Correct reference to driver
gitlab-ci: Only use one process in Windows jobs for compilation
docs/devel/testing: fix minor typo
tests/avocado: Fix trivial typo
tests/avocado: Do not run tests that require libslirp if it is not available
tests/vm: Add libslirp to the VM tests
tests/qtest: prom-env-test: Use double quotes to pass the prom-env option
tests/qtest: npcm7xx_emc-test: Skip running test_{tx, rx} on win32
tests/qtest: machine-none-test: Use double quotes to pass the cpu option
tests/qtest: device-plug-test: Reverse the usage of double/single quotes
tests/qtest: libqos: Rename malloc.h to libqos-malloc.h
tests/qtest: libqos: Drop inclusion of <sys/wait.h>
tests/qtest: migration-test: Skip running test_migrate_fd_proto on win32
tests/qtest: i440fx-test: Skip running request_{bios, pflash} for win32
tests/qtest: Build cases that use memory-backend-file for posix only
tests/qtest: Build e1000e-test for posix only
tests/qtest: Adapt {m48t59,rtc}-test cases for win32
backends/tpm: Exclude headers and macros that don't exist on win32
tests/qtest: migration-test: Handle link() for win32
...
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
In pegasos2 section move imply before select to match other sections.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <4d46dde64c2e5df6db3f92426fb3ae885939c2b0.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Now that shared PPC4xx devices are separated from PPC405 ones we can
drop this depencency.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <cf6c1d280f830beeea41128595c8c026d5126d2b.1660762465.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
These are only used by the board code so move out from the shared SoC
model and put it in the boards file.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <2b23bcaaf191f96b217cbd06a6038694024862c3.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Having an explicit I2C model object will help if one day we want to
add I2C devices on the bus from the machine init routine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: Symplify sysbus device casts for readibility]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <68eb8b5ac408ca8cc981ebf53a3e154c0d34c7f6.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Make ppc-uic a subclass of ppc4xx-dcr-device which will handle the cpu
link and make it uniform with the other PPC4xx devices.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <eb548130cf60aea8a6ea4dba4dee1686b3cabc3d.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This device is shared between different 4xx socs.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <63d9b14c8ff5f73e35bffca1036394b5235735ee.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The EBC is shared between 405 and 440 so move it to shared file.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <10eae70509ca4bd74858fc2c0a0f0e4eb9330199.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This device is shared between different 4xx socs.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <5b13ebfd12a71a28035bed5a915cbeee81cf21d1.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The PLB is shared between 405 and 440 so move it to the shared file.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <2498384bf3e18959ee8cb984d72fb66b8a6ecadc.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The Memory Access Layer (MAL) controller is currently modeled as a DCR
device with 4 IRQs. Also drop the ppc4xx_mal_init() helper and adapt
the sam460ex machine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes, add finalize method]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <d54a243dff94d95ba30dbcc09c27700a90ade932.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
PLB is currently modeled as a simple DCR device. Also drop the
ppc4xx_plb_init() helper and adapt the sam460ex machine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <c4256d1bffca86fe1d696aa9c56732e5f563e114.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
POB is currently modeled as a simple DCR device.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <2bb1a89182523059ecb0e8d20c22a293534dec17.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The OPB arbitrer is currently modeled as a simple SysBus device with a
unique memory region.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <38476bc43d2332db2f09dbede9eff5234d6ce217.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
EBC is currently modeled as a DCR device. Also drop the ppc405_ebc_init()
helper and adapt the sam460ex machine.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <51a0769ab605c5158f4f2f1c896725d5fe7a073b.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The DMA controller is currently modeled as a DCR device with a couple
of IRQs.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <4738b3c7cf18c328f05aaaddc555a46219431335.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The GPIO controller is currently modeled as a simple SysBus device
with a unique memory region.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: Simplify sysbus device casts for readability]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <e95d7849f3768e1f9a2846c4b282392750678b3e.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The OCM controller is currently modeled as a simple DCR device with
a couple of memory regions.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <ecb93d2d5993bb7a970365744c7d342d4abcb017.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
