| 67b765d3 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Fix helper_per_ifetch flags
CPU state is read on the exception path.
Fixes: 83bb161299c ("target-s390x: PER instruction-fetch nullification event support")
Signed-off-by: Richard Hend
target/s390x: Fix helper_per_ifetch flags
CPU state is read on the exception path.
Fixes: 83bb161299c ("target-s390x: PER instruction-fetch nullification event support")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240502054417.234340-12-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 31b2d4a1 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Raise exception from per_store_real
At this point the instruction is complete and there's nothing
left to do but raise the exception. With this change we need
not make two helper call
target/s390x: Raise exception from per_store_real
At this point the instruction is complete and there's nothing
left to do but raise the exception. With this change we need
not make two helper calls for this event.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-11-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 53313396 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Raise exception from helper_per_branch
Drop from argument, since gbea has always been updated with
this address. Add ilen argument for setting int_pgm_ilen.
Use update_cc_op before ca
target/s390x: Raise exception from helper_per_branch
Drop from argument, since gbea has always been updated with
this address. Add ilen argument for setting int_pgm_ilen.
Use update_cc_op before calling per_branch.
By raising the exception here, we need not call
per_check_exception later, which means we can clean up the
normal non-exception branch path.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-10-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 619f6891 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Split per_breaking_event from per_branch_*
The breaking-event-address register is updated regardless
of PER being enabled.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off
target/s390x: Split per_breaking_event from per_branch_*
The breaking-event-address register is updated regardless
of PER being enabled.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-9-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| e6405455 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Simplify help_branch
Always use a tcg branch, instead of movcond. The movcond
was not a bad idea before PER was added, but since then
we have either 2 or 3 actions to perform on each
target/s390x: Simplify help_branch
Always use a tcg branch, instead of movcond. The movcond
was not a bad idea before PER was added, but since then
we have either 2 or 3 actions to perform on each leg of
the branch, and multiple movcond is inefficient.
Reorder the taken branch to be fallthrough of the tcg branch.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-8-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 9bbbcf5d | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Introduce help_goto_indirect
Add a small helper to handle unconditional indirect jumps.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linu
target/s390x: Introduce help_goto_indirect
Add a small helper to handle unconditional indirect jumps.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-7-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| a90e3195 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Disable conditional branch-to-next for PER
For PER, we require a conditional call to helper_per_branch
for the conditional branch. Fold the remaining optimization
into a call to helpe
target/s390x: Disable conditional branch-to-next for PER
For PER, we require a conditional call to helper_per_branch
for the conditional branch. Fold the remaining optimization
into a call to helper_goto_direct, which will take care of
the remaining gbea adjustment.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240502054417.234340-6-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 62613ca0 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Record separate PER bits in TB flags
Record successful-branching, instruction-fetching, and
store-using-real-address. The other PER bits are not used
during translation. Having check
target/s390x: Record separate PER bits in TB flags
Record successful-branching, instruction-fetching, and
store-using-real-address. The other PER bits are not used
during translation. Having checked these at translation time,
we can remove runtime tests from the helpers.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-5-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 51a1718b | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Update CR9 bits
Update from the PoO 14th edition.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Ilya Leoshke
target/s390x: Update CR9 bits
Update from the PoO 14th edition.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-4-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 36db37af | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Move cpu_get_tb_cpu_state out of line
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Ilya Leoshkevich <iii@lin
target/s390x: Move cpu_get_tb_cpu_state out of line
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-3-richard.henderson@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| a6a33760 | 02-May-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Do not use unwind for per_check_exception
Using exception unwind via tcg_s390_program_interrupt,
we discard the current value of psw.addr, which discards
the result of a branch.
Pass
target/s390x: Do not use unwind for per_check_exception
Using exception unwind via tcg_s390_program_interrupt,
we discard the current value of psw.addr, which discards
the result of a branch.
Pass in the address of the next instruction, which may
not be sequential. Pass in ilen, which we would have
gotten from unwind and is passed to the exception handler.
Sync cc_op before the call, which we would have gotten
from unwind.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240502054417.234340-2-richard.henderson@linaro.org>
[thuth: Silence checkpatch.pl errors]
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 763f2413 | 05-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Use translator_lduw in get_next_pc
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> |
| 74e98b9b | 03-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Disassemble EXECUTEd instructions
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> |
| 171ce939 | 03-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
target/s390x: Fix translator_fake_ld length
The ilen value extracted from ex_value is the length of the
EXECUTE instruction itself, and so is the increment to the pc.
However, the length of the synt
target/s390x: Fix translator_fake_ld length
The ilen value extracted from ex_value is the length of the
EXECUTE instruction itself, and so is the increment to the pc.
However, the length of the synthetic insn is located in the
opcode like all other instructions.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 4c6163ea | 03-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
accel/tcg: Introduce translator_fake_ld
Replace translator_fake_ldb, which required multiple calls,
with translator_fake_ld, which can take all data at once.
Reviewed-by: Philippe Mathieu-Daudé <ph
accel/tcg: Introduce translator_fake_ld
Replace translator_fake_ldb, which required multiple calls,
with translator_fake_ld, which can take all data at once.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| b67c567b | 03-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
accel/tcg: Return bool from TranslatorOps.disas_log
We have eliminated most uses of this hook. Reduce
further by allowing the hook to handle only the
special cases, returning false for normal proce
accel/tcg: Return bool from TranslatorOps.disas_log
We have eliminated most uses of this hook. Reduce
further by allowing the hook to handle only the
special cases, returning false for normal processing.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 99977aef | 02-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
accel/tcg: Pass DisasContextBase to translator_fake_ldb
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org> |
| e799b65f | 09-May-2024 |
Paolo Bonzini <pbonzini@redhat.com> |
s390x: select correct components for no-board build
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-5-pbonzini@redha
s390x: select correct components for no-board build
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-5-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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| ef7c4a97 | 09-May-2024 |
Paolo Bonzini <pbonzini@redhat.com> |
s390x: move s390_cpu_addr2state to target/s390x/sigp.c
This function has no dependency on the virtio-ccw machine type, though it
assumes that the CPU address corresponds to the core_id and the index
s390x: move s390_cpu_addr2state to target/s390x/sigp.c
This function has no dependency on the virtio-ccw machine type, though it
assumes that the CPU address corresponds to the core_id and the index.
If there is any need of something different or more fancy (unlikely)
S390 can include a MachineClass subclass and implement it there. For
now, move it to sigp.c for simplicity.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240509170044.190795-2-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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| 6e55b32d | 29-Apr-2024 |
Collin Walling <walling@linux.ibm.com> |
target/s390x: flag te and cte as deprecated
Add the CONSTRAINT_TRANSACTIONAL_EXE (cte) and TRANSACTIONAL_EXE (te)
to the list of deprecated features.
Signed-off-by: Collin Walling <walling@linux.ib
target/s390x: flag te and cte as deprecated
Add the CONSTRAINT_TRANSACTIONAL_EXE (cte) and TRANSACTIONAL_EXE (te)
to the list of deprecated features.
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240429191059.11806-3-walling@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 8aa2211e | 29-Apr-2024 |
Collin Walling <walling@linux.ibm.com> |
target/s390x: report deprecated-props in cpu-model-expansion reply
Retain a list of deprecated features disjoint from any particular
CPU model. A query-cpu-model-expansion reply will now provide a l
target/s390x: report deprecated-props in cpu-model-expansion reply
Retain a list of deprecated features disjoint from any particular
CPU model. A query-cpu-model-expansion reply will now provide a list of
properties (i.e. features) that are flagged as deprecated. Example:
{
"return": {
"model": {
"name": "z14.2-base",
"deprecated-props": [
"bpb",
"csske"
],
"props": {
"pfmfi": false,
"exrl": true,
...a lot more props...
"skey": false,
"vxpdeh2": false
}
}
}
}
It is recommended that s390 guests operate with these features
explicitly disabled to ensure compatibility with future hardware.
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-ID: <20240429191059.11806-2-walling@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 74781c08 | 06-Dec-2023 |
Philippe Mathieu-Daudé <philmd@linaro.org> |
exec/cpu: Extract page-protection definitions to page-protection.h
Extract page-protection definitions from "exec/cpu-all.h"
to "exec/page-protection.h".
The list of files requiring the new header
exec/cpu: Extract page-protection definitions to page-protection.h
Extract page-protection definitions from "exec/cpu-all.h"
to "exec/page-protection.h".
The list of files requiring the new header was generated
using:
$ git grep -wE \
'PAGE_(READ|WRITE|EXEC|RWX|VALID|ANON|RESERVED|TARGET_.|PASSTHROUGH)'
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240427155714.53669-3-philmd@linaro.org>
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| b1e88078 | 30-Apr-2024 |
Richard Henderson <richard.henderson@linaro.org> |
Merge tag 'pull-request-2024-04-30' of https://gitlab.com/thuth/qemu into staging
* Clean-ups for "errp" handling in s390x cpu_model code
* Fix a possible abort in the "edu" device
* Add missing qga
Merge tag 'pull-request-2024-04-30' of https://gitlab.com/thuth/qemu into staging
* Clean-ups for "errp" handling in s390x cpu_model code
* Fix a possible abort in the "edu" device
* Add missing qga stubs for stand-alone qga builds and re-enable qga-ssh-test
* Fix memory corruption caused by the stm32l4x5 uart device
* Update the s390x custom runner to Ubuntu 22.04
* Fix READ NATIVE MAX ADDRESS IDE commands to avoid a possible crash
* Shorten the runtime of Cirrus-CI jobs
# -----BEGIN PGP SIGNATURE-----
#
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# GQyQEzGvxZXl2S595XefyAyaMTP5maBhUTlyZWJo385cQraa60Ot5d4Mibr2CobY
# gIBRxEGB/frJYpbHJPxd/FxJV120gtuWAdZwGGYYYjwMzf2IKu2veODB8CnUErlX
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# R1xgR9B6hX8ZmikMbGC+0/Sv15u2Yr+bFxJBTJzq6zdOAb9EJNQY1hW2w/Lbrg3X
# LjY+ltcVweoSILT6AE6vGDPCHfBzO+6FcptFvw7ePvRGOlwAPZ3tEB9G2LEbCYgg
# BjWNP4aRuSfbUebO4x4Todz65WN8aY1EIBXORU/wgUlF2+zajWiOI5JRDKjWz2qQ
# gAMeCbLplli5bYrChWtouRIXtb061cQloULddu/SRFcaJOlV3SCzx4JfN15pU90s
# jRMIhMESAEj4NSfclhxsOiYp3ywZTvlQsVA6MgPlu2i3HJakQnt5zbg59TesRn2d
# r5PfAk83UnA=
# =0OB7
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 30 Apr 2024 12:11:31 AM PDT
# 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 <th.huth@posteo.de>" [unknown]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
* tag 'pull-request-2024-04-30' of https://gitlab.com/thuth/qemu:
.gitlab-ci.d/cirrus: Remove the netbsd and openbsd jobs
.gitlab-ci.d/cirrus.yml: Shorten the runtime of the macOS and FreeBSD jobs
tests/qtest/ide-test: Verify READ NATIVE MAX ADDRESS is not limited
hw/ide/core.c (cmd_read_native_max): Avoid limited device parameters
gitlab: remove stale s390x-all-linux-static conf hacks
gitlab: migrate the s390x custom machine to 22.04
build-environment: make some packages optional
hw/char/stm32l4x5_usart: Fix memory corruption by adding correct class_size
qga: Re-enable the qga-ssh-test when running without fuzzing
stubs: Add missing qga stubs
hw: misc: edu: use qemu_log_mask instead of hw_error
hw: misc: edu: rename local vars in edu_check_range
hw: misc: edu: fix 2 off-by-one errors
target/s390x/cpu_models_sysemu: Drop local @err in apply_cpu_model()
target/s390x/cpu_models: Make kvm_s390_apply_cpu_model() return boolean
target/s390x/cpu_models: Drop local @err in get_max_cpu_model()
target/s390x/cpu_models: Make kvm_s390_get_host_cpu_model() return boolean
target/s390x/cpu_model: Drop local @err in s390_realize_cpu_model()
target/s390x/cpu_model: Make check_compatibility() return boolean
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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| 046bf2a6 | 24-Apr-2024 |
Zhao Liu <zhao1.liu@intel.com> |
target/s390x/cpu_models_sysemu: Drop local @err in apply_cpu_model()
Use @errp to fetch error information directly and drop the local
variable @err.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Re
target/s390x/cpu_models_sysemu: Drop local @err in apply_cpu_model()
Use @errp to fetch error information directly and drop the local
variable @err.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240425031232.1586401-8-zhao1.liu@intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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| 38098df3 | 24-Apr-2024 |
Zhao Liu <zhao1.liu@intel.com> |
target/s390x/cpu_models: Make kvm_s390_apply_cpu_model() return boolean
As error.h suggested, the best practice for callee is to return
something to indicate success / failure.
So make kvm_s390_app
target/s390x/cpu_models: Make kvm_s390_apply_cpu_model() return boolean
As error.h suggested, the best practice for callee is to return
something to indicate success / failure.
So make kvm_s390_apply_cpu_model() return boolean and check the
returned boolean in apply_cpu_model() instead of accessing @err.
Signed-off-by: Zhao Liu <zhao1.liu@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240425031232.1586401-7-zhao1.liu@intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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