Merge tag 'pull-target-arm-20240905' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_EBF16 emulation
* accel/tcg: Remove dead code from rr_cpu_th

Merge tag 'pull-target-arm-20240905' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_EBF16 emulation
* accel/tcg: Remove dead code from rr_cpu_thread_fn()
* hw: add compat machines for 9.2
* virt: default to two-stage SMMU from virt-9.2
* sbsa-ref: use two-stage SMMU
* hw: Various minor memory leak fixes
* target/arm: Correct names of VFP VFNMA and VFNMS insns
* hw/arm/xilinx_zynq: Enable Security Extensions
* hw/arm/boot: Report error msg if loading elf/dtb failed

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# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240905' of https://git.linaro.org/people/pmaydell/qemu-arm: (25 commits)
platform-bus: fix refcount leak
hw/arm/boot: Explain why load_elf_hdr() error is ignored
hw/arm/boot: Report error msg if loading elf/dtb failed
hw/arm/xilinx_zynq: Enable Security Extensions
target/arm: Correct names of VFP VFNMA and VFNMS insns
hw/arm/sbsa-ref: Don't leak string in sbsa_fdt_add_gic_node()
hm/nvram/xlnx-versal-efuse-ctrl: Call register_finalize_block
hw/misc/xlnx-versal-trng: Call register_finalize_block
hw/nvram/xlnx-zynqmp-efuse: Call register_finalize_block
hw/nvram/xlnx-bbram: Call register_finalize_block
hw/misc/xlnx-versal-trng: Free s->prng in finalize, not unrealize
hw/misc/xlnx-versal-cfu: destroy fifo in finalize
hw/arm/sbsa-ref: Use two-stage SMMU
hw/arm/virt: Default to two-stage SMMU from virt-9.2
hw/arm/smmuv3: Update comment documenting "stage" property
hw: add compat machines for 9.2
accel/tcg: Remove dead code from rr_cpu_thread_fn()
target/arm: Enable FEAT_EBF16 in the "max" CPU
target/arm: Implement FPCR.EBF=1 semantics for bfdotadd()
target/arm: Prepare bfdotadd() callers for FEAT_EBF support
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Update comment documenting "stage" property

When we added support for nested (stage 1 + stage 2) translation
to the SMMU in commit 58377c363291d we forgot to update the
comment that d

hw/arm/smmuv3: Update comment documenting "stage" property

When we added support for nested (stage 1 + stage 2) translation
to the SMMU in commit 58377c363291d we forgot to update the
comment that documents the valid values of the "stage" property.
Add the new "nested" value to it.

Fixes: 58377c363291d ("hw/arm/smmuv3: Support and advertise nesting")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-id: 20240816161350.3706332-3-peter.maydell@linaro.org

show more ...

Merge tag 'pull-target-arm-20240718' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Fix handling of LDAPR/STLR with negative offset
* LDAPR should honour SCTLR

Merge tag 'pull-target-arm-20240718' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Fix handling of LDAPR/STLR with negative offset
* LDAPR should honour SCTLR_ELx.nAA
* Use float_status copy in sme_fmopa_s
* hw/display/bcm2835_fb: fix fb_use_offsets condition
* hw/arm/smmuv3: Support and advertise nesting
* Use FPST_F16 for SME FMOPA (widening)
* tests/arm-cpu-features: Do not assume PMU availability
* hvf: arm: Do not advance PC when raising an exception

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# gpg: Signature made Thu 18 Jul 2024 11:19:17 PM AEST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240718' of https://git.linaro.org/people/pmaydell/qemu-arm: (26 commits)
hvf: arm: Do not advance PC when raising an exception
tests/arm-cpu-features: Do not assume PMU availability
tests/tcg/aarch64: Add test cases for SME FMOPA (widening)
target/arm: Use FPST_F16 for SME FMOPA (widening)
target/arm: Use float_status copy in sme_fmopa_s
hw/arm/smmu: Refactor SMMU OAS
hw/arm/smmuv3: Support and advertise nesting
hw/arm/smmuv3: Handle translation faults according to SMMUPTWEventInfo
hw/arm/smmuv3: Support nested SMMUs in smmuv3_notify_iova()
hw/arm/smmu: Support nesting in the rest of commands
hw/arm/smmu: Introduce smmu_iotlb_inv_asid_vmid
hw/arm/smmu: Support nesting in smmuv3_range_inval()
hw/arm/smmu-common: Support nested translation
hw/arm/smmu-common: Add support for nested TLB
hw/arm/smmu-common: Rework TLB lookup for nesting
hw/arm/smmuv3: Translate CD and TT using stage-2 table
hw/arm/smmu: Introduce CACHED_ENTRY_TO_ADDR
hw/arm/smmu: Consolidate ASID and VMID types
hw/arm/smmu: Split smmuv3_translate()
hw/arm/smmu: Use enum for SMMU stage
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

hw/arm/smmu: Refactor SMMU OAS

SMMUv3 OAS is currently hardcoded in the code to 44 bits, for nested
configurations that can be a problem, as stage-2 might be shared with
the CPU which might have dif

hw/arm/smmu: Refactor SMMU OAS

SMMUv3 OAS is currently hardcoded in the code to 44 bits, for nested
configurations that can be a problem, as stage-2 might be shared with
the CPU which might have different PARANGE, and according to SMMU manual
ARM IHI 0070F.b:
6.3.6 SMMU_IDR5, OAS must match the system physical address size.

This patch doesn't change the SMMU OAS, but refactors the code to
make it easier to do that:
- Rely everywhere on IDR5 for reading OAS instead of using the
SMMU_IDR5_OAS macro, so, it is easier just to change IDR5 and
it propagages correctly.
- Add additional checks when OAS is greater than 48bits.
- Remove unused functions/macros: pa_range/MAX_PA.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-19-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Support and advertise nesting

Everything is in place, consolidate parsing of STE cfg and setting
translation stage.

Advertise nesting if stage requested is "nested".

Reviewed-by: Je

hw/arm/smmuv3: Support and advertise nesting

Everything is in place, consolidate parsing of STE cfg and setting
translation stage.

Advertise nesting if stage requested is "nested".

Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-18-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Handle translation faults according to SMMUPTWEventInfo

Previously, to check if faults are enabled, it was sufficient to check
the current stage of translation and check the correspon

hw/arm/smmuv3: Handle translation faults according to SMMUPTWEventInfo

Previously, to check if faults are enabled, it was sufficient to check
the current stage of translation and check the corresponding
record_faults flag.

However, with nesting, it is possible for stage-1 (nested) translation
to trigger a stage-2 fault, so we check SMMUPTWEventInfo as it would
have the correct stage set from the page table walk.

Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-17-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Support nested SMMUs in smmuv3_notify_iova()

IOMMUTLBEvent only understands IOVA, for stage-1 or stage-2
SMMU instances we consider the input address as the IOVA, but when
nesting is

hw/arm/smmuv3: Support nested SMMUs in smmuv3_notify_iova()

IOMMUTLBEvent only understands IOVA, for stage-1 or stage-2
SMMU instances we consider the input address as the IOVA, but when
nesting is used, we can't mix stage-1 and stage-2 addresses, so for
nesting only stage-1 is considered the IOVA and would be notified.

Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-16-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Support nesting in the rest of commands

Some commands need rework for nesting, as they used to assume S1
and S2 are mutually exclusive:

- CMD_TLBI_NH_ASID: Consider VMID if stage-2 is

hw/arm/smmu: Support nesting in the rest of commands

Some commands need rework for nesting, as they used to assume S1
and S2 are mutually exclusive:

- CMD_TLBI_NH_ASID: Consider VMID if stage-2 is supported
- CMD_TLBI_NH_ALL: Consider VMID if stage-2 is supported, otherwise
invalidate everything, this required a new vmid invalidation
function for stage-1 only (ASID >= 0)

Also, rework trace events to reflect the new implementation.

Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-15-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Introduce smmu_iotlb_inv_asid_vmid

Soon, Instead of doing TLB invalidation by ASID only, VMID will be
also required.
Add smmu_iotlb_inv_asid_vmid() which invalidates by both ASID and VM

hw/arm/smmu: Introduce smmu_iotlb_inv_asid_vmid

Soon, Instead of doing TLB invalidation by ASID only, VMID will be
also required.
Add smmu_iotlb_inv_asid_vmid() which invalidates by both ASID and VMID.

However, at the moment this function is only used in SMMU_CMD_TLBI_NH_ASID
which is a stage-1 command, so passing VMID = -1 keeps the original
behaviour.

Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-14-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Support nesting in smmuv3_range_inval()

With nesting, we would need to invalidate IPAs without
over-invalidating stage-1 IOVAs. This can be done by
distinguishing IPAs in the TLBs by ha

hw/arm/smmu: Support nesting in smmuv3_range_inval()

With nesting, we would need to invalidate IPAs without
over-invalidating stage-1 IOVAs. This can be done by
distinguishing IPAs in the TLBs by having ASID=-1.
To achieve that, rework the invalidation for IPAs to have a
separate function, while for IOVA invalidation ASID=-1 means
invalidate for all ASIDs.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-13-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu-common: Support nested translation

When nested translation is requested, do the following:
- Translate stage-1 table address IPA into PA through stage-2.
- Translate stage-1 table walk o

hw/arm/smmu-common: Support nested translation

When nested translation is requested, do the following:
- Translate stage-1 table address IPA into PA through stage-2.
- Translate stage-1 table walk output (IPA) through stage-2.
- Create a single TLB entry from stage-1 and stage-2 translations
using logic introduced before.

smmu_ptw() has a new argument SMMUState which include the TLB as
stage-1 table address can be cached in there.

Also in smmu_ptw(), a separate path used for nesting to simplify the
code, although some logic can be combined.

With nested translation class of translation fault can be different,
from the class of the translation, as faults from translating stage-1
tables are considered as CLASS_TT and not CLASS_IN, a new member
"is_ipa_descriptor" added to "SMMUPTWEventInfo" to differ faults
from walking stage 1 translation table and faults from translating
an IPA for a transaction.

Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-12-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Translate CD and TT using stage-2 table

According to ARM SMMU architecture specification (ARM IHI 0070 F.b),
In "5.2 Stream Table Entry":
[51:6] S1ContextPtr
If Config[1] == 1 (stag

hw/arm/smmuv3: Translate CD and TT using stage-2 table

According to ARM SMMU architecture specification (ARM IHI 0070 F.b),
In "5.2 Stream Table Entry":
[51:6] S1ContextPtr
If Config[1] == 1 (stage 2 enabled), this pointer is an IPA translated by
stage 2 and the programmed value must be within the range of the IAS.

In "5.4.1 CD notes":
The translation table walks performed from TTB0 or TTB1 are always performed
in IPA space if stage 2 translations are enabled.

This patch implements translation of the S1 context descriptor pointer and
TTBx base addresses through the S2 stage (IPA -> PA)

smmuv3_do_translate() is updated to have one arg which is translation
class, this is useful to:
- Decide wether a translation is stage-2 only or use the STE config.
- Populate the class in case of faults, WALK_EABT is left unchanged
for stage-1 as it is always IN, while stage-2 would match the
used class (TT, IN, CD), this will change slightly when the ptw
supports nested translation as it can also issue TT event with
class IN.

In case for stage-2 only translation, used in the context of nested
translation, the stage and asid are saved and restored before and
after calling smmu_translate().

Translating CD or TTBx can fail for the following reasons:
1) Large address size: This is described in
(3.4.3 Address sizes of SMMU-originated accesses)
- For CD ptr larger than IAS, for SMMUv3.1, it can trigger either
C_BAD_STE or Translation fault, we implement the latter as it
requires no extra code.
- For TTBx, if larger than the effective stage 1 output address size, it
triggers C_BAD_CD.

2) Faults from PTWs (7.3 Event records)
- F_ADDR_SIZE: large address size after first level causes stage 2 Address
Size fault (Also in 3.4.3 Address sizes of SMMU-originated accesses)
- F_PERMISSION: Same as an address translation. However, when
CLASS == CD, the access is implicitly Data and a read.
- F_ACCESS: Same as an address translation.
- F_TRANSLATION: Same as an address translation.
- F_WALK_EABT: Same as an address translation.
These are already implemented in the PTW logic, so no extra handling
required.

As in CD and TTBx translation context, the iova is not known, setting
the InputAddr was removed from "smmuv3_do_translate" and set after
from "smmuv3_translate" with the new function "smmuv3_fixup_event"

Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-9-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Introduce CACHED_ENTRY_TO_ADDR

Soon, smmuv3_do_translate() will be used to translate the CD and the
TTBx, instead of re-writting the same logic to convert the returned
cached entry to a

hw/arm/smmu: Introduce CACHED_ENTRY_TO_ADDR

Soon, smmuv3_do_translate() will be used to translate the CD and the
TTBx, instead of re-writting the same logic to convert the returned
cached entry to an address, add a new macro CACHED_ENTRY_TO_ADDR.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-8-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Consolidate ASID and VMID types

ASID and VMID used to be uint16_t in the translation config, however,
in other contexts they can be int as -1 in case of TLB invalidation,
to represent a

hw/arm/smmu: Consolidate ASID and VMID types

ASID and VMID used to be uint16_t in the translation config, however,
in other contexts they can be int as -1 in case of TLB invalidation,
to represent all (don’t care).
When stage-2 was added asid was set to -1 in stage-2 and vmid to -1
in stage-1 configs. However, that meant they were set as (65536),
this was not an issue as nesting was not supported and no
commands/lookup uses both.

With nesting, it’s critical to get this right as translation must be
tagged correctly with ASID/VMID, and with ASID=-1 meaning stage-2.
Represent ASID/VMID everywhere as int.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-7-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Split smmuv3_translate()

smmuv3_translate() does everything from STE/CD parsing to TLB lookup
and PTW.

Soon, when nesting is supported, stage-1 data (tt, CD) needs to be
translated usi

hw/arm/smmu: Split smmuv3_translate()

smmuv3_translate() does everything from STE/CD parsing to TLB lookup
and PTW.

Soon, when nesting is supported, stage-1 data (tt, CD) needs to be
translated using stage-2.

Split smmuv3_translate() to 3 functions:

- smmu_translate(): in smmu-common.c, which does the TLB lookup, PTW,
TLB insertion, all the functions are already there, this just puts
them together.
This also simplifies the code as it consolidates event generation
in case of TLB lookup permission failure or in TT selection.

- smmuv3_do_translate(): in smmuv3.c, Calls smmu_translate() and does
the event population in case of errors.

- smmuv3_translate(), now calls smmuv3_do_translate() for
translation while the rest is the same.

Also, add stage in trace_smmuv3_translate_success()

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20240715084519.1189624-6-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Use enum for SMMU stage

Currently, translation stage is represented as an int, where 1 is stage-1 and
2 is stage-2, when nested is added, 3 would be confusing to represent nesting,
so w

hw/arm/smmu: Use enum for SMMU stage

Currently, translation stage is represented as an int, where 1 is stage-1 and
2 is stage-2, when nested is added, 3 would be confusing to represent nesting,
so we use an enum instead.

While keeping the same values, this is useful for:
- Doing tricks with bit masks, where BIT(0) is stage-1 and BIT(1) is
stage-2 and both is nested.
- Tracing, as stage is printed as int.

Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Message-id: 20240715084519.1189624-5-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: Fix encoding of CLASS in events

The SMMUv3 spec (ARM IHI 0070 F.b - 7.3 Event records) defines the
class of events faults as:

CLASS: The class of the operation that caused the fault:

hw/arm/smmuv3: Fix encoding of CLASS in events

The SMMUv3 spec (ARM IHI 0070 F.b - 7.3 Event records) defines the
class of events faults as:

CLASS: The class of the operation that caused the fault:
- 0b00: CD, CD fetch.
- 0b01: TTD, Stage 1 translation table fetch.
- 0b10: IN, Input address

However, this value was not set and left as 0 which means CD and not
IN (0b10).

Another problem was that stage-2 class is considered IN not TT for
EABT, according to the spec:
Translation of an IPA after successful stage 1 translation (or,
in stage 2-only configuration, an input IPA)
- S2 == 1 (stage 2), CLASS == IN (Input to stage)

This would change soon when nested translations are supported.

While at it, add an enum for class as it would be used for nesting.
However, at the moment stage-1 and stage-2 use the same class values,
except for EABT.

Fixes: 9bde7f0674 “hw/arm/smmuv3: Implement translate callback”
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20240715084519.1189624-4-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmu: Fix IPA for stage-2 events

For the following events (ARM IHI 0070 F.b - 7.3 Event records):
- F_TRANSLATION
- F_ACCESS
- F_PERMISSION
- F_ADDR_SIZE

If fault occurs at stage 2, S2 == 1

hw/arm/smmu: Fix IPA for stage-2 events

For the following events (ARM IHI 0070 F.b - 7.3 Event records):
- F_TRANSLATION
- F_ACCESS
- F_PERMISSION
- F_ADDR_SIZE

If fault occurs at stage 2, S2 == 1 and:
- If translating an IPA for a transaction (whether by input to
stage 2-only configuration, or after successful stage 1 translation),
CLASS == IN, and IPA is provided.

At the moment only CLASS == IN is used which indicates input
translation.

However, this was not implemented correctly, as for stage 2, the code
only sets the S2 bit but not the IPA.

This field has the same bits as FetchAddr in F_WALK_EABT which is
populated correctly, so we don’t change that.
The setting of this field should be done from the walker as the IPA address
wouldn't be known in case of nesting.

For stage 1, the spec says:
If fault occurs at stage 1, S2 == 0 and:
CLASS == IN, IPA is UNKNOWN.

So, no need to set it to for stage 1, as ptw_info is initialised by zero in
smmuv3_translate().

Fixes: e703f7076a “hw/arm/smmuv3: Add page table walk for stage-2”
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Message-id: 20240715084519.1189624-3-smostafa@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Merge tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* tests/avocado: update firmware for sbsa-ref and use all cores
* hw/arm/smmu

Merge tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* tests/avocado: update firmware for sbsa-ref and use all cores
* hw/arm/smmu-common: Replace smmu_iommu_mr with smmu_find_sdev
* arm: Fix VCMLA Dd, Dn, Dm[idx]
* arm: Fix SQDMULH (by element) with Q=0
* arm: Fix FJCVTZS vs flush-to-zero
* arm: More conversion of A64 AdvSIMD to decodetree
* arm: Enable FEAT_Debugv8p8 for -cpu max
* MAINTAINERS: Update family name for Patrick Leis
* hw/arm/xilinx_zynq: Add boot-mode property
* docs/system/arm: Add a doc for zynq board
* hw/misc: In STM32L4x5 EXTI, correct configurable interrupts
* tests/qtest: fix minor issues in STM32L4x5 tests

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# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 01 Jul 2024 09:06:43 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240701' of https://git.linaro.org/people/pmaydell/qemu-arm: (29 commits)
tests/qtest: Ensure STM32L4x5 EXTI state is correct at the end of QTests
hw/misc: In STM32L4x5 EXTI, correct configurable interrupts
tests/qtest: Fix STM32L4x5 SYSCFG irq line 15 state assumption
docs/system/arm: Add a doc for zynq board
hw/arm/xilinx_zynq: Add boot-mode property
hw/misc/zynq_slcr: Add boot-mode property
MAINTAINERS: Update my family name
target/arm: Enable FEAT_Debugv8p8 for -cpu max
target/arm: Move initialization of debug ID registers
target/arm: Fix indentation
target/arm: Delete dead code from disas_simd_indexed
target/arm: Convert FCMLA to decodetree
target/arm: Convert FCADD to decodetree
target/arm: Add data argument to do_fp3_vector
target/arm: Convert BFMMLA, SMMLA, UMMLA, USMMLA to decodetree
target/arm: Convert BFMLALB, BFMLALT to decodetree
target/arm: Convert BFDOT to decodetree
target/arm: Convert SUDOT, USDOT to decodetree
target/arm: Convert SDOT, UDOT to decodetree
target/arm: Convert SQRDMLAH, SQRDMLSH to decodetree
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

hw/arm/smmu-common: Replace smmu_iommu_mr with smmu_find_sdev

The caller of smmu_iommu_mr wants to get sdev for smmuv3_flush_config().

Do it directly instead of bridging with an iommu mr pointer.

hw/arm/smmu-common: Replace smmu_iommu_mr with smmu_find_sdev

The caller of smmu_iommu_mr wants to get sdev for smmuv3_flush_config().

Do it directly instead of bridging with an iommu mr pointer.

Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Message-id: 20240619002218.926674-1-nicolinc@nvidia.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Merge tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent ov

Merge tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* Implement FEAT_NMI and NMI support in the GICv3
* hw/dma: avoid apparent overflow in soc_dma_set_request
* linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
* Add ResetType argument to Resettable hold and exit phase methods
* Add RESET_TYPE_SNAPSHOT_LOAD ResetType
* Implement STM32L4x5 USART

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# gpg: Signature made Thu 25 Apr 2024 03:36:03 AM PDT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [unknown]

* tag 'pull-target-arm-20240425' of https://git.linaro.org/people/pmaydell/qemu-arm: (37 commits)
tests/qtest: Add tests for the STM32L4x5 USART
hw/arm: Add the USART to the stm32l4x5 SoC
hw/char/stm32l4x5_usart: Add options for serial parameters setting
hw/char/stm32l4x5_usart: Enable serial read and write
hw/char: Implement STM32L4x5 USART skeleton
reset: Add RESET_TYPE_SNAPSHOT_LOAD
docs/devel/reset: Update to new API for hold and exit phase methods
hw, target: Add ResetType argument to hold and exit phase methods
scripts/coccinelle: New script to add ResetType to hold and exit phases
allwinner-i2c, adm1272: Use device_cold_reset() for software-triggered reset
hw/misc: Don't special case RESET_TYPE_COLD in npcm7xx_clk, gcr
linux-user/flatload.c: Remove unused bFLT shared-library and ZFLAT code
hw/dma: avoid apparent overflow in soc_dma_set_request
hw/arm/virt: Enable NMI support in the GIC if the CPU has FEAT_NMI
target/arm: Add FEAT_NMI to max
hw/intc/arm_gicv3: Report the VINMI interrupt
hw/intc/arm_gicv3: Report the NMI interrupt in gicv3_cpuif_update()
hw/intc/arm_gicv3: Implement NMI interrupt priority
hw/intc/arm_gicv3: Handle icv_nmiar1_read() for icc_nmiar1_read()
hw/intc/arm_gicv3: Add NMI handling CPU interface registers
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

hw, target: Add ResetType argument to hold and exit phase methods

We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the call

hw, target: Add ResetType argument to hold and exit phase methods

We pass a ResetType argument to the Resettable class enter
phase method, but we don't pass it to hold and exit, even though
the callsites have it readily available. This means that if
a device cared about the ResetType it would need to record it
in the enter phase method to use later on. Pass the type to
all three of the phase methods to avoid having to do that.

Commit created with

for dir in hw target include; do \
spatch --macro-file scripts/cocci-macro-file.h \
--sp-file scripts/coccinelle/reset-type.cocci \
--keep-comments --smpl-spacing --in-place \
--include-headers --dir $dir; done

and no manual edits.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Message-id: 20240412160809.1260625-5-peter.maydell@linaro.org

show more ...

Merge tag 'pull-target-arm-20240215' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* hw/arm/xilinx_zynq: Wire FIQ between CPU <> GIC
* linux-user/aarch64: Choos

Merge tag 'pull-target-arm-20240215' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* hw/arm/xilinx_zynq: Wire FIQ between CPU <> GIC
* linux-user/aarch64: Choose SYNC as the preferred MTE mode
* Fix some errors in SVE/SME handling of MTE tags
* hw/pci-host/raven.c: Mark raven_io_ops as implementing unaligned accesses
* hw/block/tc58128: Don't emit deprecation warning under qtest
* tests/qtest: Fix handling of npcm7xx and GMAC tests
* hw/arm/virt: Wire up non-secure EL2 virtual timer IRQ
* tests/qtest/npcm7xx_emc-test: Connect all NICs to a backend
* Don't assert on vmload/vmsave of M-profile CPUs
* hw/arm/smmuv3: add support for stage 1 access fault
* hw/arm/stellaris: QOM cleanups
* Use new CBAR encoding for all v8 CPUs, not all aarch64 CPUs
* Improve Cortex_R52 IMPDEF sysreg modelling
* Allow access to SPSR_hyp from hyp mode
* New board model mps3-an536 (Cortex-R52)

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# gpg: Signature made Thu 15 Feb 2024 17:33:08 GMT
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20240215' of https://git.linaro.org/people/pmaydell/qemu-arm: (35 commits)
docs: Add documentation for the mps3-an536 board
hw/arm/mps3r: Add remaining devices
hw/arm/mps3r: Add GPIO, watchdog, dual-timer, I2C devices
hw/arm/mps3r: Add UARTs
hw/arm/mps3r: Add CPUs, GIC, and per-CPU RAM
hw/arm/mps3r: Initial skeleton for mps3-an536 board
hw/misc/mps2-scc: Make changes needed for AN536 FPGA image
hw/misc/mps2-scc: Factor out which-board conditionals
hw/misc/mps2-scc: Fix condition for CFG3 register
target/arm: Allow access to SPSR_hyp from hyp mode
target/arm: Add Cortex-R52 IMPDEF sysregs
target/arm: The Cortex-R52 has a read-only CBAR
target/arm: Use new CBAR encoding for all v8 CPUs, not all aarch64 CPUs
hw/arm/stellaris: Add missing QOM 'SoC' parent
hw/arm/stellaris: Add missing QOM 'machine' parent
hw/arm/stellaris: Convert I2C controller to Resettable interface
hw/arm/stellaris: Convert ADC controller to Resettable interface
hw/arm/smmuv3: add support for stage 1 access fault
tests/qtest: Fix GMAC test to run on a machine in upstream QEMU
target/arm: Don't get MDCR_EL2 in pmu_counter_enabled() before checking ARM_FEATURE_PMU
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

hw/arm/smmuv3: add support for stage 1 access fault

An access fault is raised when the Access Flag is not set in the
looked-up PTE and the AFFD field is not set in the corresponding context
descript

hw/arm/smmuv3: add support for stage 1 access fault

An access fault is raised when the Access Flag is not set in the
looked-up PTE and the AFFD field is not set in the corresponding context
descriptor. This was already implemented for stage 2. Implement it for
stage 1 as well.

Signed-off-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: Mostafa Saleh <smostafa@google.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Mostafa Saleh <smostafa@google.com>
Message-id: 20240213082211.3330400-1-luc.michel@amd.com
[PMM: tweaked comment text]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-02-13

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Merge tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu into staging

trivial patches for 2024-02-13

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# gpg: Signature made Tue 13 Feb 2024 08:01:12 GMT
# gpg: using RSA key 7B73BAD68BE7A2C289314B22701B4F6B1A693E59
# gpg: issuer "mjt@tls.msk.ru"
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@corpit.ru>" [full]
# gpg: aka "Michael Tokarev <mjt@debian.org>" [full]
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5
# Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59

* tag 'pull-trivial-patches' of https://gitlab.com/mjt0k/qemu:
monitor/target: Include missing 'exec/memory.h' header
cpu-target: Include missing 'exec/memory.h' header
system: Move memory_ldst.c.inc to system
qemu-options.hx: Add zoom-to-fit to option summary for gtk
qemu-options.hx: document that tftp=dir is readonly
iothread: Simplify expression in qemu_in_iothread()
qemu-nbd: mention --tls-hostname option in qemu-nbd --help
MAINTAINERS: Cover qapi/stats.json
MAINTAINERS: Cover qapi/cxl.json
hw/smbios: Fix port connector option validation
hw/smbios: Fix OEM strings table option validation
hw/arm/smmuv3: Consolidate the use of device_class_set_parent_realize()
hw/intc/s390_flic: Consolidate the use of device_class_set_parent_realize()
hw/isa/pc87312: Consolidate the use of device_class_set_parent_realize()
hw/isa/vt82c686: Consolidate the use of device_class_set_parent_realize()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

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