Merge tag 'pull-target-arm-20240913' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* s390: convert s390 virtio-ccw and CPU to three-phase reset
* reset: remove

Merge tag 'pull-target-arm-20240913' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
* s390: convert s390 virtio-ccw and CPU to three-phase reset
* reset: remove now-unused device_class_set_parent_reset()
* reset: introduce device_class_set_legacy_reset()
* reset: remove unneeded transitional machinery
* kvm: Use 'unsigned long' for request argument in functions wrapping ioctl()
* hvf: arm: Implement and use hvf_get_physical_address_range
so VMs can have larger-than-36-bit IPA spaces when the host
supports this
* target/arm/tcg: refine cache descriptions with a wrapper
* hw/net/can/xlnx-versal-canfd: fix various bugs
* MAINTAINERS: update versal, CAN maintainer entries
* hw/intc/arm_gic: fix spurious level triggered interrupts

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# =u6u8
# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 13 Sep 2024 16:13:13 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]
# 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-20240913' of https://git.linaro.org/people/pmaydell/qemu-arm: (27 commits)
hw/intc/arm_gic: fix spurious level triggered interrupts
MAINTAINERS: Add my-self as CAN maintainer
MAINTAINERS: Update Xilinx Versal OSPI maintainer's email address
MAINTAINERS: Remove Vikram Garhwal as maintainer
hw/net/can/xlnx-versal-canfd: Fix FIFO issues
hw/net/can/xlnx-versal-canfd: Simplify DLC conversions
hw/net/can/xlnx-versal-canfd: Fix byte ordering
hw/net/can/xlnx-versal-canfd: Handle flags correctly
hw/net/can/xlnx-versal-canfd: Translate CAN ID registers
hw/net/can/xlnx-versal-canfd: Fix CAN FD flag check
hw/net/can/xlnx-versal-canfd: Fix interrupt level
target/arm/tcg: refine cache descriptions with a wrapper
hvf: arm: Implement and use hvf_get_physical_address_range
hvf: Split up hv_vm_create logic per arch
hw/boards: Add hvf_get_physical_address_range to MachineClass
kvm: Use 'unsigned long' for request argument in functions wrapping ioctl()
hw/core/resettable: Remove transitional_function machinery
hw/core/qdev: Simplify legacy_reset handling
hw: Remove device_phases_reset()
hw: Rename DeviceClass::reset field to legacy_reset
...

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

show more ...

hw: Use device_class_set_legacy_reset() instead of opencoding

Use device_class_set_legacy_reset() instead of opencoding an
assignment to DeviceClass::reset. This change was produced
with:
spatch --

hw: Use device_class_set_legacy_reset() instead of opencoding

Use device_class_set_legacy_reset() instead of opencoding an
assignment to DeviceClass::reset. This change was produced
with:
spatch --macro-file scripts/cocci-macro-file.h \
--sp-file scripts/coccinelle/device-reset.cocci \
--keep-comments --smpl-spacing --in-place --dir hw

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20240830145812.1967042-8-peter.maydell@linaro.org

show more ...

Merge tag 'pull-20231230' of https://gitlab.com/rth7680/qemu into staging

Mark VMStateField and VMStateDescription arrays const.

# -----BEGIN PGP SIGNATURE-----
#
# iQFRBAABCgA7FiEEekgeeIaLTbaoWgXA

Merge tag 'pull-20231230' of https://gitlab.com/rth7680/qemu into staging

Mark VMStateField and VMStateDescription arrays const.

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# gpg: Signature made Fri 29 Dec 2023 21:21:31 GMT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-20231230' of https://gitlab.com/rth7680/qemu: (71 commits)
docs: Constify VMstate in examples
tests/unit/test-vmstate: Constify VMState
util/fifo8: Constify VMState
replay: Constify VMState
system: Constify VMState
migration: Constify VMState
cpu-target: Constify VMState
backends: Constify VMState
audio: Constify VMState
hw/misc/macio: Constify VMState
hw/watchdog: Constify VMState
hw/virtio: Constify VMState
hw/vfio: Constify VMState
hw/usb: Constify VMState
hw/tpm: Constify VMState
hw/timer: Constify VMState
hw/ssi: Constify VMState
hw/sparc: Constify VMState
hw/sensor: Constify VMState
hw/sd: Constify VMState
...

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

show more ...

hw/ssi: Constify VMState

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231221031652.119827-56-richard.henderson@linaro.org>

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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# -----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 ...

hw/ssi: ibex_spi_host: Clear the interrupt even if disabled

We currently don't clear the interrupts if they are disabled. This means
that if an interrupt occurs and the guest disables interrupts the

hw/ssi: ibex_spi_host: Clear the interrupt even if disabled

We currently don't clear the interrupts if they are disabled. This means
that if an interrupt occurs and the guest disables interrupts the QEMU
IRQ will remain high.

This doesn't immediately affect guests, but if the
guest re-enables interrupts it's possible that we will miss an
interrupt as it always remains set.

Let's update the logic to always call qemu_set_irq() even if the
interrupts are disabled to ensure we set the level low. The level will
never be high unless interrupts are enabled, so we won't generate
interrupts when we shouldn't.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-ID: <20231102003424.2003428-2-alistair.francis@wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

Merge tag 'pull-request-2023-02-14' of https://gitlab.com/thuth/qemu into staging

* Bump minimum Clang version to 10.0
* Improve the handling of the libdw library
* Deprecate --enable-gprof builds a

Merge tag 'pull-request-2023-02-14' of https://gitlab.com/thuth/qemu into staging

* Bump minimum Clang version to 10.0
* Improve the handling of the libdw library
* Deprecate --enable-gprof builds and remove them from CI
* Remove the deprecated "sga" device
* Some header #include clean-ups
* Make qtests more flexible with regards to missing devices
* Some small s390x-related fixes/improvements

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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 14 Feb 2023 11:08:48 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2023-02-14' of https://gitlab.com/thuth/qemu: (22 commits)
hw/s390x/event-facility: Replace DO_UPCAST(SCLPEvent) by SCLP_EVENT()
tests/tcg/s390x: Use -nostdlib for softmmu tests
tests/qtest: Don't build virtio-serial-test.c if device not present
tests/qtest: bios-tables-test: Skip if missing configs
tests/qemu-iotests: Require virtio-scsi-pci
tests/qtest: Do not include hexloader-test if loader device is not present
tests/qtest: Check for devices in bios-tables-test
tests/qtest: drive_del-test: Skip tests that require missing devices
tests/qtest: Skip unplug tests that use missing devices
test/qtest: Fix coding style in device-plug-test.c
tests/qtest: hd-geo-test: Check for missing devices
tests/qtest: Add dependence on PCIE_PORT for virtio-net-failover.c
tests/qtest: Do not run lsi53c895a test if device is not present
tests/qtest: Skip PXE tests for missing devices
Do not include "qemu/error-report.h" in headers that do not need it
include/hw: Do not include "hw/registerfields.h" in headers that don't need it
hw/misc/sga: Remove the deprecated "sga" device
tests/qtest/npcm7xx_pwm-test: Be less verbose unless V=2
build: deprecate --enable-gprof builds and remove from CI
meson: Disable libdw for static builds by default
...

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

show more ...

include/hw: Do not include "hw/registerfields.h" in headers that don't need it

Include "hw/registerfields.h" in the .c files instead (if needed).

Message-Id: <20230210112315.1116966-1-thuth@redhat.

include/hw: Do not include "hw/registerfields.h" in headers that don't need it

Include "hw/registerfields.h" in the .c files instead (if needed).

Message-Id: <20230210112315.1116966-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

show more ...

Merge tag 'pull-riscv-to-apply-20221014' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for QEMU 7.2

* Update qtest comment
* Fix coverity issue with Ibex SPI
* Move load_image_

Merge tag 'pull-riscv-to-apply-20221014' of https://github.com/alistair23/qemu into staging

Third RISC-V PR for QEMU 7.2

* Update qtest comment
* Fix coverity issue with Ibex SPI
* Move load_image_to_fw_cfg() to common location
* Enable booting S-mode firmware from pflash on virt machine
* Add disas support for vector instructions
* Priority level fixes for PLIC
* Fixup TLB size calculation when using PMP

# -----BEGIN PGP SIGNATURE-----
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 14 Oct 2022 03:51:59 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-20221014' of https://github.com/alistair23/qemu:
target/riscv: pmp: Fixup TLB size calculation
hw/intc: sifive_plic: change interrupt priority register to WARL field
hw/intc: sifive_plic: fix hard-coded max priority level
disas/riscv.c: rvv: Add disas support for vector instructions
hw/riscv: virt: Enable booting S-mode firmware from pflash
hw/riscv: virt: Move create_fw_cfg() prior to loading kernel
hw/arm, loongarch: Move load_image_to_fw_cfg() to common location
hw/ssi: ibex_spi: fixup/add rw1c functionality
hw/ssi: ibex_spi: fixup coverity issue
hw/riscv: Update comment for qtest check in riscv_find_firmware()

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

show more ...

hw/ssi: ibex_spi: fixup/add rw1c functionality

This patch adds the `rw1c` functionality to the respective
registers. The status fields are cleared when the respective
field is set.

Signed-off-by: W

hw/ssi: ibex_spi: fixup/add rw1c functionality

This patch adds the `rw1c` functionality to the respective
registers. The status fields are cleared when the respective
field is set.

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220930033241.206581-3-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...

hw/ssi: ibex_spi: fixup coverity issue

This patch addresses the coverity issues specified in [1],
as suggested, `FIELD_DP32()`/`FIELD_EX32()` macros have been
implemented to clean up the code.

[1]

hw/ssi: ibex_spi: fixup coverity issue

This patch addresses the coverity issues specified in [1],
as suggested, `FIELD_DP32()`/`FIELD_EX32()` macros have been
implemented to clean up the code.

[1] https://www.mail-archive.com/qemu-devel@nongnu.org/msg887713.html

Fixes: Coverity CID 1488107

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-Id: <20220930033241.206581-2-wilfred.mallawa@opensource.wdc.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

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# 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>

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hw/ssi: ibex_spi: update reg addr

Updates the `EVENT_ENABLE` register to offset `0x34` as per
OpenTitan spec [1].

[1] https://docs.opentitan.org/hw/ip/spi_host/doc/#Reg_event_enable

Signed-off-by:

hw/ssi: ibex_spi: update reg addr

Updates the `EVENT_ENABLE` register to offset `0x34` as per
OpenTitan spec [1].

[1] https://docs.opentitan.org/hw/ip/spi_host/doc/#Reg_event_enable

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220823061201.132342-5-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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hw/ssi: ibex_spi: fixup typos in ibex_spi_host

This patch fixes up minor typos in ibex_spi_host

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.fran

hw/ssi: ibex_spi: fixup typos in ibex_spi_host

This patch fixes up minor typos in ibex_spi_host

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-Id: <20220823061201.132342-2-wilfred.mallawa@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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Merge tag 'pull-riscv-to-apply-20220422-1' of github.com:alistair23/qemu into staging

First RISC-V PR for QEMU 7.1

* Add support for Ibex SPI to OpenTitan
* Add support for privileged spec versio

Merge tag 'pull-riscv-to-apply-20220422-1' of github.com:alistair23/qemu into staging

First RISC-V PR for QEMU 7.1

* Add support for Ibex SPI to OpenTitan
* Add support for privileged spec version 1.12.0
* Use privileged spec version 1.12.0 for virt machine by default
* Allow software access to MIP SEIP
* Add initial support for the Sdtrig extension
* Optimisations for vector extensions
* Improvements to the misa ISA string
* Add isa extenstion strings to the device tree
* Don't allow `-bios` options with KVM machines
* Fix NAPOT range computation overflow
* Fix DT property mmu-type when CPU mmu option is disabled
* Make RISC-V ACLINT mtime MMIO register writable
* Add and enable native debug feature
* Support 64bit fdt address.

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# gpg: Signature made Thu 21 Apr 2022 05:35:48 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-20220422-1' of github.com:alistair23/qemu: (31 commits)
hw/riscv: boot: Support 64bit fdt address.
hw/core: tcg-cpu-ops.h: Update comments of debug_check_watchpoint()
target/riscv: cpu: Enable native debug feature
target/riscv: machine: Add debug state description
target/riscv: csr: Hook debug CSR read/write
target/riscv: cpu: Add a config option for native debug
target/riscv: debug: Implement debug related TCGCPUOps
hw/intc: riscv_aclint: Add reset function of ACLINT devices
hw/intc: Make RISC-V ACLINT mtime MMIO register writable
hw/intc: Support 32/64-bit mtimecmp and mtime accesses in RISC-V ACLINT
hw/intc: Add .impl.[min|max]_access_size declaration in RISC-V ACLINT
hw/riscv: virt: fix DT property mmu-type when CPU mmu option is disabled
target/riscv/pmp: fix NAPOT range computation overflow
hw/riscv: virt: Exit if the user provided -bios in combination with KVM
target/riscv: Use cpu_loop_exit_restore directly from mmu faults
target/riscv: fix start byte for vmv<nf>r.v when vstart != 0
target/riscv: Add isa extenstion strings to the device tree
target/riscv: misa to ISA string conversion fix
target/riscv: optimize helper for vmv<nr>r.v
target/riscv: optimize condition assign for scale < 0
...

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

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hw/ssi: Add Ibex SPI device model

Adds the SPI_HOST device model for ibex. The device specification is as per
[1]. The model has been tested on opentitan with spi_host unit tests
written for TockOS.

hw/ssi: Add Ibex SPI device model

Adds the SPI_HOST device model for ibex. The device specification is as per
[1]. The model has been tested on opentitan with spi_host unit tests
written for TockOS.

[1] https://docs.opentitan.org/hw/ip/spi_host/doc/

Signed-off-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220303045426.511588-1-alistair.francis@opensource.wdc.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

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