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

# -----BEGIN PGP SIGNATURE-----
#
# iQIzBAABCAAdFiEEaukCtqfKh31tZZKWr3yVEwxTgBMFAmci/tQACgkQr3yVEwxT
# gBNPAQ//dZKjjJm4Sh+UFdUslivBJYtL1rl2UUG2UqiNn/UoYh/vcHoSArljHTjt
# 8riEStnaQqXziOpMIJjIMLJ4KoiIk2SMvjNfFtcmPiPZEDEpjsTxfUxBFsBee+fI
# 4KNQKKFeljq4pa+VzVvXEqzCNJIzCThFXTZhZmer00M91HPA8ZQIHpv2JL1sWlgZ
# /HW24XEDFLGc/JsR55fxpPftlAqP+BfOrqMmbWy7x2Y+G8WI05hM2zTP/W8pnIz3
# z0GCRYSBlADtrp+3RqzTwQfK5pXoFc0iDktWVYlhoXaeEmOwo8IYxTjrvBGhnBq+
# ySX1DzTa23QmOIxSYYvCRuOxyOK9ziNn+EQ9FiFBt1h1o251CYMil1bwmYXMCMNJ
# rZwF1HfUx0g2GQW1ZOqh1eeyLO29JiOdV3hxlDO7X4bbISNgU6il5MXmnvf0/XVW
# Af3YhALeeDbHgHL1iVfjafzaviQc9+YrEX13eX6N2AjcgE5a3F7XNmGfFpFJ+mfQ
# CPgiwVBXat6UpBUGAt14UM+6wzp+crSgQR5IEGth+mKMKdkWoykvo7A2oHdu39zn
# 2cdzsshg2qcLLUPTFy06OOTXX382kCWXuykhHOjZ4uu2SJJ7R0W3PlYV8HSde2Vu
# Rj+89ZlUSICJNXXweQB39r87hNbtRuDIO22V0B9XrApQbJj6/yE=
# =rPaa
# -----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 ...

hw/riscv: add riscv-iommu-pci reference device

The RISC-V IOMMU can be modelled as a PCIe device following the
guidelines of the RISC-V IOMMU spec, chapter 7.1, "Integrating an IOMMU
as a PCIe devic

hw/riscv: add riscv-iommu-pci reference device

The RISC-V IOMMU can be modelled as a PCIe device following the
guidelines of the RISC-V IOMMU spec, chapter 7.1, "Integrating an IOMMU
as a PCIe device".

Signed-off-by: Tomasz Jeznach <tjeznach@rivosinc.com>
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241016204038.649340-6-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

show more ...