Merge tag 'pull-riscv-to-apply-20241220' of https://github.com/alistair23/qemu into staging

RISC-V PR for 10.0

* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulatio

Merge tag 'pull-riscv-to-apply-20241220' of https://github.com/alistair23/qemu into staging

RISC-V PR for 10.0

* Correct the validness check of iova
* Fix APLIC in_clrip and clripnum write emulation
* Support riscv-iommu-sys device
* Add Tenstorrent Ascalon CPU
* Add AIA userspace irqchip_split support
* Add Microblaze V generic board
* Upgrade ACPI SPCR table to support SPCR table revision 4 format
* Remove tswap64() calls from HTIF
* Support 64-bit address of initrd
* Introduce svukte ISA extension
* Support ssstateen extension
* Support for RV64 Xiangshan Nanhu CPU

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# =0iQW
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 19 Dec 2024 20:54:00 EST
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20241220' of https://github.com/alistair23/qemu: (39 commits)
target/riscv: add support for RV64 Xiangshan Nanhu CPU
target/riscv: add ssstateen
target/riscv/tcg: hide warn for named feats when disabling via priv_ver
target/riscv: Include missing headers in 'internals.h'
target/riscv: Include missing headers in 'vector_internals.h'
target/riscv: Check svukte is not enabled in RV32
target/riscv: Expose svukte ISA extension
target/riscv: Check memory access to meet svukte rule
target/riscv: Support hstatus[HUKTE] bit when svukte extension is enabled
target/riscv: Support senvcfg[UKTE] bit when svukte extension is enabled
target/riscv: Add svukte extension capability variable
hw/riscv: Add the checking if DTB overlaps to kernel or initrd
hw/riscv: Add a new struct RISCVBootInfo
hw/riscv: Support to load DTB after 3GB memory on 64-bit system.
hw/char/riscv_htif: Clarify MemoryRegionOps expect 32-bit accesses
hw/char/riscv_htif: Explicit little-endian implementation
MAINTAINERS: Cover RISC-V HTIF interface
tests/qtest/bios-tables-test: Update virt SPCR golden reference for RISC-V
hw/acpi: Upgrade ACPI SPCR table to support SPCR table revision 4 format
qtest: allow SPCR acpi table changes
...

Conflicts:
target/riscv/cpu.c

Merge conflict with DEFINE_PROP_END_OF_LIST() removal. No Property
array terminator is needed anymore.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

docs: update riscv/virt.rst with kernel-irqchip=split support

Also add a new page, docs/specs/riscv-aia.rst, where we're documenting
the state of AIA support in QEMU w.r.t the controllers being emul

docs: update riscv/virt.rst with kernel-irqchip=split support

Also add a new page, docs/specs/riscv-aia.rst, where we're documenting
the state of AIA support in QEMU w.r.t the controllers being emulated or
not depending on the AIA and accelerator settings.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241119191706.718860-9-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

docs/specs: add riscv-iommu-sys information

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241106133407.60

docs/specs: add riscv-iommu-sys information

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241106133407.604587-8-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20241031-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.2

* Fix an access to VXSAT
* Expose RV32 cpu to RV64 QEMU
* Don't clear PLIC pending bi

Merge tag 'pull-riscv-to-apply-20241031-1' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.2

* Fix an access to VXSAT
* Expose RV32 cpu to RV64 QEMU
* Don't clear PLIC pending bits on IRQ lowering
* Make PLIC zeroth priority register read-only
* Set vtype.vill on CPU reset
* Check and update APLIC pending when write sourcecfg
* Avoid dropping charecters with HTIF
* Apply FIFO backpressure to guests using SiFive UART
* Support for control flow integrity extensions
* Support for the IOMMU with the virt machine
* set 'aia_mode' to default in error path
* clarify how 'riscv-aia' default works

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# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 31 Oct 2024 03:51:48 GMT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20241031-1' of https://github.com/alistair23/qemu: (50 commits)
target/riscv: Fix vcompress with rvv_ta_all_1s
target/riscv/kvm: clarify how 'riscv-aia' default works
target/riscv/kvm: set 'aia_mode' to default in error path
docs/specs: add riscv-iommu
qtest/riscv-iommu-test: add init queues test
hw/riscv/riscv-iommu: add DBG support
hw/riscv/riscv-iommu: add ATS support
hw/riscv/riscv-iommu: add Address Translation Cache (IOATC)
test/qtest: add riscv-iommu-pci tests
hw/riscv/virt.c: support for RISC-V IOMMU PCIDevice hotplug
hw/riscv: add riscv-iommu-pci reference device
pci-ids.rst: add Red Hat pci-id for RISC-V IOMMU device
hw/riscv: add RISC-V IOMMU base emulation
hw/riscv: add riscv-iommu-bits.h
exec/memtxattr: add process identifier to the transaction attributes
target/riscv: Expose zicfiss extension as a cpu property
disas/riscv: enable disassembly for compressed sspush/sspopchk
disas/riscv: enable disassembly for zicfiss instructions
target/riscv: compressed encodings for sspush and sspopchk
target/riscv: implement zicfiss instructions
...

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

show more ...

docs/specs: add riscv-iommu

Add a simple guideline to use the existing RISC-V IOMMU support we just
added.

This doc will be updated once we add the riscv-iommu-sys device.

Signed-off-by: Daniel He

docs/specs: add riscv-iommu

Add a simple guideline to use the existing RISC-V IOMMU support we just
added.

This doc will be updated once we add the riscv-iommu-sys device.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241016204038.649340-13-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20240110' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Make vector whole-register move (vmv) depend on vtype register
* Fix th.dcache.cval1

Merge tag 'pull-riscv-to-apply-20240110' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Make vector whole-register move (vmv) depend on vtype register
* Fix th.dcache.cval1 priviledge check
* Don't allow write mstatus_vs without RVV
* Use hwaddr instead of target_ulong for RV32
* Fix machine IDs QOM getters\
* Fix KVM reg id sizes
* ACPI: Enable AIA, PLIC and update RHCT
* Fix the interrupts-extended property format of PLIC
* Add support for Zacas extension
* Add amocas.[w,d,q] instructions
* Document acpi parameter of virt machine
* RVA22 profiles support
* Remove group setting of KVM AIA if the machine only has 1 socket
* Add RVV CSRs to KVM
* sifive_u: Update S-mode U-Boot image build instructions
* Upgrade OpenSBI from v1.3.1 to v1.4
* pmp: Ignore writes when RW=01 and MML=0
* Assert that the CSR numbers will be correct
* Don't adjust vscause for exceptions
* Ensure mideleg is set correctly on reset

# -----BEGIN PGP SIGNATURE-----
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# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 10 Jan 2024 08:56:41 GMT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20240110' of https://github.com/alistair23/qemu: (65 commits)
target/riscv: Ensure mideleg is set correctly on reset
target/riscv: Don't adjust vscause for exceptions
target/riscv: Assert that the CSR numbers will be correct
target/riscv: pmp: Ignore writes when RW=01 and MML=0
roms/opensbi: Upgrade from v1.3.1 to v1.4
docs/system/riscv: sifive_u: Update S-mode U-Boot image build instructions
target/riscv/kvm: add RVV and Vector CSR regs
target/riscv/kvm: do PR_RISCV_V_SET_CONTROL during realize()
linux-headers: riscv: add ptrace.h
linux-headers: Update to Linux v6.7-rc5
target/riscv/kvm.c: remove group setting of KVM AIA if the machine only has 1 socket
target/riscv: add rva22s64 cpu
target/riscv: add RVA22S64 profile
target/riscv: add 'parent' in profile description
target/riscv: add satp_mode profile support
target/riscv/cpu.c: add riscv_cpu_is_32bit()
target/riscv/cpu.c: finalize satp_mode earlier
target/riscv: add priv ver restriction to profiles
target/riscv: implement svade
target/riscv: add 'rva22u64' CPU
...

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

show more ...

docs/system/riscv: document acpi parameter of virt machine

Since QEMU v8.0.0 the RISC-V virt machine has a switch to disable ACPI
table generation. Add it to the documentation.

Fixes: 168b8c29cedb

docs/system/riscv: document acpi parameter of virt machine

Since QEMU v8.0.0 the RISC-V virt machine has a switch to disable ACPI
table generation. Add it to the documentation.

Fixes: 168b8c29cedb ("hw/riscv/virt: Add a switch to disable ACPI")
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20231220193436.25909-1-heinrich.schuchardt@canonical.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.2

* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext

Merge tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.2

* Rename ext_icboz to ext_zicboz
* Rename ext_icbom to ext_zicbom
* Rename ext_icsr to ext_zicsr
* Rename ext_ifencei to ext_zifencei
* Add RISC-V Virtual IRQs and IRQ filtering support
* Change default linux-user cpu to 'max'
* Update 'virt' machine core limit
* Add query-cpu-model-expansion API
* Rename epmp to smepmp and expose the extension
* Clear pmp/smepmp bits on reset
* Ignore pmp writes when RW=01
* Support zicntr/zihpm flags and disable support
* Correct CSR_MSECCFG operations
* Update mail address for Weiwei Li
* Update RISC-V vector crypto to ratified v1.0.0
* Clear the Ibex/OpenTitan SPI interrupts even if disabled
* Set the OpenTitan priv to 1.12.0
* Support discontinuous PMU counters

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# =2A+W
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 07 Nov 2023 10:28:49 HKT
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20231107' of https://github.com/alistair23/qemu: (49 commits)
docs/about/deprecated: Document RISC-V "pmu-num" deprecation
target/riscv: Add "pmu-mask" property to replace "pmu-num"
target/riscv: Use existing PMU counter mask in FDT generation
target/riscv: Don't assume PMU counters are continuous
target/riscv: Propagate error from PMU setup
target/riscv: cpu: Set the OpenTitan priv to 1.12.0
hw/ssi: ibex_spi_host: Clear the interrupt even if disabled
disas/riscv: Replace TABs with space
disas/riscv: Add support for vector crypto extensions
disas/riscv: Add rv_codec_vror_vi for vror.vi
disas/riscv: Add rv_fmt_vd_vs2_uimm format
target/riscv: Move vector crypto extensions to riscv_cpu_extensions
target/riscv: Expose Zvks[c|g] extnesion properties
target/riscv: Add cfg properties for Zvks[c|g] extensions
target/riscv: Expose Zvkn[c|g] extnesion properties
target/riscv: Add cfg properties for Zvkn[c|g] extensions
target/riscv: Expose Zvkb extension property
target/riscv: Replace Zvbb checking by Zvkb
target/riscv: Add cfg property for Zvkb extension
target/riscv: Expose Zvkt extension property
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

docs/system/riscv: update 'virt' machine core limit

The 'virt' RISC-V machine does not have a 8 core limit. The current
limit is set in include/hw/riscv/virt.h, VIRT_CPUS_MAX, set to 512 at
this mom

docs/system/riscv: update 'virt' machine core limit

The 'virt' RISC-V machine does not have a 8 core limit. The current
limit is set in include/hw/riscv/virt.h, VIRT_CPUS_MAX, set to 512 at
this moment.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1945
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231020200247.334403-2-dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20230710-1' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.1

* Use xl instead of mxl for disassemble
* Factor out extension tests to cpu_cfg

Merge tag 'pull-riscv-to-apply-20230710-1' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for 8.1

* Use xl instead of mxl for disassemble
* Factor out extension tests to cpu_cfg.h
* disas/riscv: Add vendor extension support
* disas/riscv: Add support for XVentanaCondOps
* disas/riscv: Add support for XThead* instructions
* Fix mstatus related problems
* Fix veyron-v1 CPU properties
* Fix the xlen for data address when MPRV=1
* opensbi: Upgrade from v1.2 to v1.3
* Enable 32-bit Spike OpenSBI boot testing
* Support the watchdog timer of HiFive 1 rev b
* Only build qemu-system-riscv$$ on rv$$ host
* Add RVV registers to log
* Restrict ACLINT to TCG
* Add syscall riscv_hwprobe
* Add support for BF16 extensions
* KVM_RISCV_SET_TIMER macro is not configured correctly
* Generate devicetree only after machine initialization is complete
* virt: Convert fdt_load_addr to uint64_t
* KVM: fixes and enhancements
* Add support for the Zfa extension

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# gBMMGg//ZCcyH3KXB49c2KUIFO6FKYUxN9uC3giZCtuGyEH8T2yDgZVVXnxwU+Ij
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# bMiwCLVMyr4ZrUXjmGTF+7/WcOWwhhyfpdstf2iotKALelZtVHit0wHcty2GYQde
# nvN83jJWu04DGXkPBUsqCUQXczGo1QHjJUH3RIRJzfOby/lGt4pSzHAfKA+iNUht
# ikM3SdBsXMO+ogjTtTcCMb7/m2vsMoQP60VRts9Mh3YVD0cgr7RqpqRoEMugVYnr
# ca8Vijf71mB+y+pq477eV1Q8BoKpr8xa1OlFkNKPC17uMD7HoDMI44QgFOgtYp10
# TMsqqyB75q6PZhSEwm63xbmH0Zpo8kSqT/E3MTtGTyPeuL8TNNNSkCmFaGYmRrbI
# XEp7vG2RaDJOvDomS3nUhA5ruc8SaXd0q25q2gLYQfCsehfFqZAwuNB5xf1zS0M0
# ov1/gwaqU93t6nLbo2cCbb0plkIFKwwJ9KKjD06wJ4KPe0TGFzk=
# =3XFD
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 10 Jul 2023 01:30:33 PM BST
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20230710-1' of https://github.com/alistair23/qemu: (54 commits)
riscv: Add support for the Zfa extension
target/riscv/kvm.c: read/write (cbom|cboz)_blocksize in KVM
target/riscv/kvm.c: add kvmconfig_get_cfg_addr() helper
target/riscv: update multi-letter extension KVM properties
target/riscv/cpu.c: create KVM mock properties
target/riscv/cpu.c: remove priv_ver check from riscv_isa_string_ext()
target/riscv/cpu.c: add satp_mode properties earlier
target/riscv/kvm.c: add multi-letter extension KVM properties
target/riscv/kvm.c: update KVM MISA bits
target/riscv: add KVM specific MISA properties
target/riscv/cpu: add misa_ext_info_arr[]
target/riscv/kvm.c: init 'misa_ext_mask' with scratch CPU
target/riscv: handle mvendorid/marchid/mimpid for KVM CPUs
target/riscv: read marchid/mimpid in kvm_riscv_init_machine_ids()
target/riscv: use KVM scratch CPUs to init KVM properties
target/riscv/cpu.c: restrict 'marchid' value
target/riscv/cpu.c: restrict 'mimpid' value
target/riscv/cpu.c: restrict 'mvendorid' value
hw/riscv/virt.c: skip 'mmu-type' FDT if satp mode not set
target/riscv: skip features setup for KVM CPUs
...

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

show more ...

hw/riscv/virt: Restrict ACLINT to TCG

The Advanced Core Local Interruptor (ACLINT) device can
only be used with TCG. Check for TCG enabled instead of
KVM being not. Only add the property when TCG is

hw/riscv/virt: Restrict ACLINT to TCG

The Advanced Core Local Interruptor (ACLINT) device can
only be used with TCG. Check for TCG enabled instead of
KVM being not. Only add the property when TCG is used.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230629121103.87733-3-philmd@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20230614' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 8.1

* Skip Vector set tail when vta is zero
* Move zc* out of the experimental prope

Merge tag 'pull-riscv-to-apply-20230614' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for 8.1

* Skip Vector set tail when vta is zero
* Move zc* out of the experimental properties
* Mask the implicitly enabled extensions in isa_string based on priv version
* Rework CPU extension validation and validate MISA changes
* Fixup PMP TLB cacheing errors
* Writing to pmpaddr and MML/MMWP correctly triggers TLB flushes
* Fixup PMP bypass checks
* Deny access if access is partially inside a PMP entry
* Correct OpenTitanState parent type/size
* Fix QEMU crash when NUMA nodes exceed available CPUs
* Fix pointer mask transformation for vector address
* Updates and improvements for Smstateen
* Support disas for Zcm* extensions
* Support disas for Z*inx extensions
* Remove unused decomp_rv32/64 value for vector instructions
* Enable PC-relative translation
* Assume M-mode FW in pflash0 only when "-bios none"
* Support using pflash via -blockdev option
* Add vector registers to log
* Clean up reference of Vector MTYPE
* Remove the check for extra Vector tail elements
* Smepmp: Return error when access permission not allowed in PMP
* Fixes for smsiaddrcfg and smsiaddrcfgh in AIA

# -----BEGIN PGP SIGNATURE-----
#
# iQIzBAABCAAdFiEEaukCtqfKh31tZZKWr3yVEwxTgBMFAmSJFRoACgkQr3yVEwxT
# gBMUkg/8Cuhqpx+zy7MeouVkyhEjUuhtCWyr0WVZBJzDkVEOrlY6TyR0hb5/o1Js
# LZf6ZMF6JQDN78bmUct8yFBZBGafey5tyonDCsnD7CNQuLPf2NSjTHhu9n5hKFqF
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# zNMTNN/KHs8LeiIBI2ZZ+nQav452Y6XYBivQ7OdsI8xkjnjG9gfgXXjvX1TIh0ow
# Hy5ZxtAtjXty49Gmjkx5VcBx4auJcnRDlLTzoZjTxq1te+gEWpw6O1EsEKasVLZe
# uN6PxTOxS3nHvRvPgQc1xNUdhDRqBaYsju6b9YmMxz1uefAjGM0=
# =fOTc
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 14 Jun 2023 03:17:14 AM CEST
# gpg: using RSA key 6AE902B6A7CA877D6D659296AF7C95130C538013
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: 6AE9 02B6 A7CA 877D 6D65 9296 AF7C 9513 0C53 8013

* tag 'pull-riscv-to-apply-20230614' of https://github.com/alistair23/qemu: (60 commits)
hw/intc: If mmsiaddrcfgh.L == 1, smsiaddrcfg and smsiaddrcfgh are read-only.
target/riscv: Smepmp: Return error when access permission not allowed in PMP
target/riscv/vector_helper.c: Remove the check for extra tail elements
target/riscv/vector_helper.c: clean up reference of MTYPE
target/riscv: Fix initialized value for cur_pmmask
util/log: Add vector registers to log
docs/system: riscv: Add pflash usage details
riscv/virt: Support using pflash via -blockdev option
hw/riscv: virt: Assume M-mode FW in pflash0 only when "-bios none"
target/riscv: Remove pc_succ_insn from DisasContext
target/riscv: Enable PC-relative translation
target/riscv: Use true diff for gen_pc_plus_diff
target/riscv: Change gen_set_pc_imm to gen_update_pc
target/riscv: Change gen_goto_tb to work on displacements
target/riscv: Introduce cur_insn_len into DisasContext
target/riscv: Fix target address to update badaddr
disas/riscv.c: Remove redundant parentheses
disas/riscv.c: Fix lines with over 80 characters
disas/riscv.c: Remove unused decomp_rv32/64 value for vector instructions
disas/riscv.c: Support disas for Z*inx extensions
...

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

show more ...

docs/system: riscv: Add pflash usage details

pflash devices can be used in virt machine for different
purposes like for ROM code or S-mode FW payload. Add a
section in the documentation on how to us

docs/system: riscv: Add pflash usage details

pflash devices can be used in virt machine for different
purposes like for ROM code or S-mode FW payload. Add a
section in the documentation on how to use pflash devices
for different purposes.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20230601045910.18646-4-sunilvl@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20220927' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for QEMU 7.2

* Fixup typos and register addresses for Ibex SPI
* Cleanup the RISC-V virt

Merge tag 'pull-riscv-to-apply-20220927' of https://github.com/alistair23/qemu into staging

Second RISC-V PR for QEMU 7.2

* Fixup typos and register addresses for Ibex SPI
* Cleanup the RISC-V virt machine documentation
* Remove the sideleg and sedeleg CSR macros
* Fix the CSR check for cycle{h}, instret{h}, time{h}, hpmcounter3-31{h}
* Remove fixed numbering from GDB xml feature files
* Allow setting the resetvec for the OpenTitan machine
* Check the correct exception cause in vector GDB stub
* Fix inheritance of SiFiveEState
* Improvements to the RISC-V debugger spec
* Simplify some vector code

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCAAdFiEE9sSsRtSTSGjTuM6PIeENKd+XcFQFAmMymHIACgkQIeENKd+X
# cFQPxwf8DhYeJ+Ctsi9/fFTIHLAE3ciZ15Hf/BJGc5maeVGupYG64+9Cs0fGX4bY
# CBlmE5xqn8hanEQXTQxmbC3AoNyykRV+arUrdawlUrJR5hQy/PNVq4yTxFPHcEjJ
# bOsQxkMvMzZiWbJfG8SZObXfFZ+6HjWd2qjbCUwyVAa5mWDHsuPy22/RDcaR9KSV
# Sb217kNIY3a2WkDUrY84zqOfks3NDFA1GuCge7EcQGV9iPxH06KO3ANpGvCE/31i
# FnfA9qUu7ts+ls2lSj+2ARsZUzMciZuC3ggTRYIKbyf0QNTK6fILuzlMPPvf0ORZ
# vbq8rSTDPrWzmrLskba1jADbWPtiXA==
# =b3zl
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 27 Sep 2022 02:30:10 EDT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054

* tag 'pull-riscv-to-apply-20220927' of https://github.com/alistair23/qemu: (22 commits)
target/riscv: rvv-1.0: vf[w]redsum distinguish between ordered/unordered
target/riscv: rvv-1.0: Simplify vfwredsum code
target/riscv: debug: Add initial support of type 6 trigger
target/riscv: debug: Check VU/VS modes for type 2 trigger
target/riscv: debug: Create common trigger actions function
target/riscv: debug: Introduce tinfo CSR
target/riscv: debug: Restrict the range of tselect value can be written
target/riscv: debug: Introduce tdata1, tdata2, and tdata3 CSRs
target/riscv: debug: Introduce build_tdata1() to build tdata1 register content
target/riscv: debug: Determine the trigger type from tdata1.type
hw/riscv/sifive_e: Fix inheritance of SiFiveEState
target/riscv: Check the correct exception cause in vector GDB stub
hw/riscv: opentitan: Expose the resetvec as a SoC property
hw/riscv: opentitan: Fixup resetvec
target/riscv: Set the CPU resetvec directly
target/riscv: remove fixed numbering from GDB xml feature files
target/riscv: remove fflags, frm, and fcsr from riscv-*-fpu.xml
target/riscv: fix csr check for cycle{h}, instret{h}, time{h}, hpmcounter3-31{h}
target/riscv: Remove sideleg and sedeleg
docs/system: clean up code escape for riscv virt platform
...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

docs/system: clean up code escape for riscv virt platform

The example code is rendered slightly mangled due to missing code
block. Properly escape the code block and add shell prompt and qemu to
fit

docs/system: clean up code escape for riscv virt platform

The example code is rendered slightly mangled due to missing code
block. Properly escape the code block and add shell prompt and qemu to
fit in with the other examples on the page.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220905163939.1599368-1-alex.bennee@linaro.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-riscv-to-apply-20220429' of github.com:alistair23/qemu into staging

Second RISC-V PR for QEMU 7.1

* Improve device tree generation
* Support configuarable marchid, mvendorid, mipi

Merge tag 'pull-riscv-to-apply-20220429' of github.com:alistair23/qemu into staging

Second RISC-V PR for QEMU 7.1

* Improve device tree generation
* Support configuarable marchid, mvendorid, mipid CSR values
* Add support for the Zbkb, Zbkc, Zbkx, Zknd/Zkne, Zknh, Zksed/Zksh and Zkr extensions
* Fix incorrect PTE merge in walk_pte
* Add TPM support to the virt board

# -----BEGIN PGP SIGNATURE-----
#
# iQEzBAABCAAdFiEE9sSsRtSTSGjTuM6PIeENKd+XcFQFAmJraeUACgkQIeENKd+X
# cFRLjgf9GFmxPhOC8cb7wN6xsiJIiVmmcTGHKfUgFTAIR2KLOEm2fo28YNrgewok
# Hi7FBHLhYKEivz70GFVg7q6oJlqhYx8fL4AB0sodTetIcJGQPQgz8zN7ZD8utnzA
# d6n7ZruyW5IuUqCBUcsHNqBHxoYanR88rr6YpxU+nSz0WALYRgQliXm5zqK1rwNc
# v8HpLHyN7JUmAQmJ1U6Uc6IFi/cFn9e/Hs/uRMevKov2nCTxeeAq5G2r8JGKpx35
# VRid91dcWbGiRY1xHWqnl/0WZxl8Jp4av1e5NDbXfwYPvwiI2fza5KFasp2S38yR
# VvnUcI+p73qclCF7LkfL9c//xQT1iA==
# =Xkoz
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 28 Apr 2022 09:30:29 PM PDT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [undefined]
# 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: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054

* tag 'pull-riscv-to-apply-20220429' of github.com:alistair23/qemu: (25 commits)
hw/riscv: Enable TPM backends
hw/riscv: virt: Add device plug support
hw/riscv: virt: Add support for generating platform FDT entries
hw/riscv: virt: Create a platform bus
hw/core: Move the ARM sysbus-fdt to core
hw/riscv: virt: Add a machine done notifier
target/riscv: add scalar crypto related extenstion strings to isa_string
target/riscv: Fix incorrect PTE merge in walk_pte
target/riscv: rvk: expose zbk* and zk* properties
disas/riscv.c: rvk: add disas support for Zbk* and Zk* instructions
target/riscv: rvk: add CSR support for Zkr
target/riscv: rvk: add support for zksed/zksh extension
target/riscv: rvk: add support for sha512 related instructions for RV64 in zknh extension
target/riscv: rvk: add support for sha512 related instructions for RV32 in zknh extension
target/riscv: rvk: add support for sha256 related instructions in zknh extension
target/riscv: rvk: add support for zkne/zknd extension in RV64
target/riscv: rvk: add support for zknd/zkne extension in RV32
crypto: move sm4_sbox from target/arm
target/riscv: rvk: add support for zbkx extension
target/riscv: rvk: add support for zbkc extension
...

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

show more ...

hw/riscv: Enable TPM backends

Imply the TPM sysbus devices. This allows users to add TPM devices to
the RISC-V virt board.

This was tested by first creating an emulated TPM device:

swtpm socke

hw/riscv: Enable TPM backends

Imply the TPM sysbus devices. This allows users to add TPM devices to
the RISC-V virt board.

This was tested by first creating an emulated TPM device:

swtpm socket --tpm2 -t -d --tpmstate dir=/tmp/tpm \
--ctrl type=unixio,path=swtpm-sock

Then launching QEMU with:

-chardev socket,id=chrtpm,path=swtpm-sock \
-tpmdev emulator,id=tpm0,chardev=chrtpm \
-device tpm-tis-device,tpmdev=tpm0

The TPM device can be seen in the memory tree and the generated device
tree.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/942
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20220427234146.1130752-7-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220303' into staging

Fifth RISC-V PR for QEMU 7.0

* Fixup checks for ext_zb[abcs]
* Add AIA support for virt machine
* I

Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220303' into staging

Fifth RISC-V PR for QEMU 7.0

* Fixup checks for ext_zb[abcs]
* Add AIA support for virt machine
* Increase maximum number of CPUs in virt machine
* Fixup OpenTitan SPI address
* Add support for zfinx, zdinx and zhinx{min} extensions

# gpg: Signature made Thu 03 Mar 2022 05:26:55 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-to-apply-20220303:
target/riscv: expose zfinx, zdinx, zhinx{min} properties
target/riscv: add support for zhinx/zhinxmin
target/riscv: add support for zdinx
target/riscv: add support for zfinx
target/riscv: hardwire mstatus.FS to zero when enable zfinx
target/riscv: add cfg properties for zfinx, zdinx and zhinx{min}
hw: riscv: opentitan: fixup SPI addresses
hw/riscv: virt: Increase maximum number of allowed CPUs
docs/system: riscv: Document AIA options for virt machine
hw/riscv: virt: Add optional AIA IMSIC support to virt machine
hw/intc: Add RISC-V AIA IMSIC device emulation
hw/riscv: virt: Add optional AIA APLIC support to virt machine
target/riscv: fix inverted checks for ext_zb[abcs]

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

show more ...

docs/system: riscv: Document AIA options for virt machine

We have two new machine options "aia" and "aia-guests" available
for the RISC-V virt machine so let's document these options.

Signed-off-by

docs/system: riscv: Document AIA options for virt machine

We have two new machine options "aia" and "aia-guests" available
for the RISC-V virt machine so let's document these options.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Message-Id: <20220220085526.808674-5-anup@brainfault.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220216' into staging

Fourth RISC-V PR for QEMU 7.0

* Remove old Ibex PLIC header file
* Allow writing 8 bytes with generi

Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20220216' into staging

Fourth RISC-V PR for QEMU 7.0

* Remove old Ibex PLIC header file
* Allow writing 8 bytes with generic loader
* Fixes for RV128
* Refactor RISC-V CPU configs
* Initial support for XVentanaCondOps custom extension
* Fix for vill field in vtype
* Fix trap cause for RV32 HS-mode CSR access from RV64 HS-mode
* Support for svnapot, svinval and svpbmt extensions

# gpg: Signature made Wed 16 Feb 2022 06:24:52 GMT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
# Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054

* remotes/alistair/tags/pull-riscv-to-apply-20220216: (35 commits)
docs/system: riscv: Update description of CPU
target/riscv: add support for svpbmt extension
target/riscv: add support for svinval extension
target/riscv: add support for svnapot extension
target/riscv: add PTE_A/PTE_D/PTE_U bits check for inner PTE
target/riscv: Ignore reserved bits in PTE for RV64
hw/intc: Add RISC-V AIA APLIC device emulation
target/riscv: Allow users to force enable AIA CSRs in HART
hw/riscv: virt: Use AIA INTC compatible string when available
target/riscv: Implement AIA IMSIC interface CSRs
target/riscv: Implement AIA xiselect and xireg CSRs
target/riscv: Implement AIA mtopi, stopi, and vstopi CSRs
target/riscv: Implement AIA interrupt filtering CSRs
target/riscv: Implement AIA hvictl and hviprioX CSRs
target/riscv: Implement AIA CSRs for 64 local interrupts on RV32
target/riscv: Implement AIA local interrupt priorities
target/riscv: Allow AIA device emulation to set ireg rmw callback
target/riscv: Add defines for AIA CSRs
target/riscv: Add AIA cpu feature
target/riscv: Allow setting CPU feature from machine/device emulation
...

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

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docs/system: riscv: Update description of CPU

Since the hypervisor extension been non experimental and enabled for
default CPU, the previous command is no longer available and the
option `x-h=true`

docs/system: riscv: Update description of CPU

Since the hypervisor extension been non experimental and enabled for
default CPU, the previous command is no longer available and the
option `x-h=true` or `h=true` is also no longer required.

Signed-off-by: Yu Li <liyu.yukiteru@bytedance.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <9040401e-8f87-ef4a-d840-6703f08d068c@bytedance.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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Merge remote-tracking branch 'remotes/alistair23/tags/pull-riscv-to-apply-20210921' into staging

Second RISC-V PR for QEMU 6.2

- ePMP CSR address updates
- Convert internal interrupts to use QEMU

Merge remote-tracking branch 'remotes/alistair23/tags/pull-riscv-to-apply-20210921' into staging

Second RISC-V PR for QEMU 6.2

- ePMP CSR address updates
- Convert internal interrupts to use QEMU GPIO lines
- SiFive PWM support
- Support for RISC-V ACLINT
- SiFive PDMA fixes
- Update to u-boot instructions for sifive_u
- mstatus.SD bug fix for hypervisor extensions
- OpenTitan fix for USB dev address

# gpg: Signature made Mon 20 Sep 2021 11:52:26 PM PDT
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [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: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054

* remotes/alistair23/tags/pull-riscv-to-apply-20210921: (21 commits)
hw/riscv: opentitan: Correct the USB Dev address
target/riscv: csr: Rename HCOUNTEREN_CY and friends
target/riscv: Backup/restore mstatus.SD bit when virtual register swapped
docs/system/riscv: sifive_u: Update U-Boot instructions
hw/dma: sifive_pdma: don't set Control.error if 0 bytes to transfer
hw/dma: sifive_pdma: allow non-multiple transaction size transactions
hw/dma: sifive_pdma: claim bit must be set before DMA transactions
hw/dma: sifive_pdma: reset Next* registers when Control.claim is set
hw/riscv: virt: Add optional ACLINT support to virt machine
hw/riscv: virt: Re-factor FDT generation
hw/intc: Upgrade the SiFive CLINT implementation to RISC-V ACLINT
hw/intc: Rename sifive_clint sources to riscv_aclint sources
sifive_u: Connect the SiFive PWM device
hw/timer: Add SiFive PWM support
hw/intc: ibex_timer: Convert the timer to use RISC-V CPU GPIO lines
hw/intc: sifive_plic: Convert the PLIC to use RISC-V CPU GPIO lines
hw/intc: ibex_plic: Convert the PLIC to use RISC-V CPU GPIO lines
hw/intc: sifive_clint: Use RISC-V CPU GPIO lines
target/riscv: Expose interrupt pending bits as GPIO lines
target/riscv: Fix satp write
...

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

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hw/riscv: virt: Add optional ACLINT support to virt machine

We extend virt machine to emulate ACLINT devices only when "aclint=on"
parameter is passed along with machine name in QEMU command-line.

hw/riscv: virt: Add optional ACLINT support to virt machine

We extend virt machine to emulate ACLINT devices only when "aclint=on"
parameter is passed along with machine name in QEMU command-line.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: 20210831110603.338681-5-anup.patel@wdc.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210802' into staging

target-arm queue:
* Add documentation of Arm 'mainstone', 'kzm', 'imx25-pdk' boards
* MAINTAINERS: Don't

Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20210802' into staging

target-arm queue:
* Add documentation of Arm 'mainstone', 'kzm', 'imx25-pdk' boards
* MAINTAINERS: Don't list Andrzej Zaborowski for various components
* docs: Remove stale TODO comments about license and version
* docs: Move licence/copyright from HTML output to rST comments
* docs: Format literal text correctly
* hw/arm/boot: Report error if there is no fw_cfg device in the machine
* docs: rSTify barrier.txt and bootindex.txt

# gpg: Signature made Mon 02 Aug 2021 12:57:31 BST
# 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]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20210802: (21 commits)
docs: Move user-facing barrier docs into system manual
ui/input-barrier: Move TODOs from barrier.txt to a comment
docs: Move the protocol part of barrier.txt into interop
docs: Move bootindex.txt into system section and rstify
hw/arm/boot: Report error if there is no fw_cfg device in the machine
docs/tools/virtiofsd.rst: Delete stray backtick
docs/about/removed-features: Fix markup error
docs: Format literals correctly
docs/system/arm/cpu-features.rst: Format literals correctly
docs/system/s390x/protvirt.rst: Format literals correctly
docs/devel: Format literals correctly
docs/devel/migration.rst: Format literals correctly
docs/devel/ebpf_rss.rst: Format literals correctly
docs/devel/build-system.rst: Correct typo in example code
docs/devel/build-system.rst: Format literals correctly
docs: Move licence/copyright from HTML output to rST comments
docs: Remove stale TODO comments about license and version
MAINTAINERS: Don't list Andrzej Zaborowski for various components
docs: Add documentation of Arm 'imx25-pdk' board
docs: Add documentation of Arm 'kzm' board
...

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

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docs: Format literals correctly

In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https:

docs: Format literals correctly

In rST markup, single backticks `like this` represent "interpreted
text", which can be handled as a bunch of different things if tagged
with a specific "role":
https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#interpreted-text
(the most common one for us is "reference to a URL, which gets
hyperlinked").

The default "role" if none is specified is "title_reference",
intended for references to book or article titles, and it renders
into the HTML as <cite>...</cite> (usually comes out as italics).

This commit fixes various places in the manual which were
using single backticks when double backticks (for literal text)
were intended, and covers those files where only one or two
instances of these errors were made.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

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