On Fri, Nov 1, 2024 at 11:40 PM Michael Tokarev <m...@tls.msk.ru> wrote:
>
> 31.10.2024 06:52, Alistair Francis wrote:
>
> > ----------------------------------------------------------------
> > 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
>
> Is there anything in there which is worth picking up for qemu-stable?

Sorry, I forgot to CC the patches

I think these are all worth backporting, but aren't critical fixes so
if there are any issues applying them just skip them:

target/riscv/csr.c: Fix an access to VXSAT
hw/intc: Don't clear pending bits on IRQ lowering
target/riscv: Set vtype.vill on CPU reset
hw/intc/riscv_aplic: Check and update pending when write sourcecfg
target/riscv/kvm: set 'aia_mode' to default in error path
target/riscv/kvm: clarify how 'riscv-aia' default works
target/riscv: Fix vcompress with rvv_ta_all_1s

Alistair

> I see numerous "fixes" in there, but I'm not sure which is which and
> what is important to have working in 9.1, 9.0, 8.2 (ubuntu lts) or 7.2...
> (I've added some CCs)
>
> Thanks,
>
> /mjt
>
> > ----------------------------------------------------------------
> > Alistair Francis (2):
> >        hw/char: riscv_htif: Use blocking qemu_chr_fe_write_all
> >        hw/char: sifive_uart: Print uart characters async
> >
> > Anton Blanchard (1):
> >        target/riscv: Fix vcompress with rvv_ta_all_1s
> >
> > Daniel Henrique Barboza (6):
> >        pci-ids.rst: add Red Hat pci-id for RISC-V IOMMU device
> >        test/qtest: add riscv-iommu-pci tests
> >        qtest/riscv-iommu-test: add init queues test
> >        docs/specs: add riscv-iommu
> >        target/riscv/kvm: set 'aia_mode' to default in error path
> >        target/riscv/kvm: clarify how 'riscv-aia' default works
> >
> > Deepak Gupta (20):
> >        target/riscv: expose *envcfg csr and priv to qemu-user as well
> >        target/riscv: Add zicfilp extension
> >        target/riscv: Introduce elp state and enabling controls for zicfilp
> >        target/riscv: save and restore elp state on priv transitions
> >        target/riscv: additional code information for sw check
> >        target/riscv: tracking indirect branches (fcfi) for zicfilp
> >        target/riscv: zicfilp `lpad` impl and branch tracking
> >        disas/riscv: enable `lpad` disassembly
> >        target/riscv: Expose zicfilp extension as a cpu property
> >        target/riscv: Add zicfiss extension
> >        target/riscv: introduce ssp and enabling controls for zicfiss
> >        target/riscv: tb flag for shadow stack instructions
> >        target/riscv: mmu changes for zicfiss shadow stack protection
> >        target/riscv: AMO operations always raise store/AMO fault
> >        target/riscv: update `decode_save_opc` to store extra word2
> >        target/riscv: implement zicfiss instructions
> >        target/riscv: compressed encodings for sspush and sspopchk
> >        disas/riscv: enable disassembly for zicfiss instructions
> >        disas/riscv: enable disassembly for compressed sspush/sspopchk
> >        target/riscv: Expose zicfiss extension as a cpu property
> >
> > Evgenii Prokopiev (1):
> >        target/riscv/csr.c: Fix an access to VXSAT
> >
> > LIU Zhiwei (2):
> >        target/riscv: Add max32 CPU for RV64 QEMU
> >        tests/avocado: Boot Linux for RV32 cpu on RV64 QEMU
> >
> > Rob Bradford (1):
> >        target/riscv: Set vtype.vill on CPU reset
> >
> > Sergey Makarov (2):
> >        hw/intc: Make zeroth priority register read-only
> >        hw/intc: Don't clear pending bits on IRQ lowering
> >
> > TANG Tiancheng (6):
> >        target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI
> >        target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32
> >        target/riscv: Correct SXL return value for RV32 in RV64 QEMU
> >        target/riscv: Detect sxl to set bit width for RV32 in RV64
> >        target/riscv: Correct mcause/scause bit width for RV32 in RV64 QEMU
> >        target/riscv: Enable RV32 CPU support in RV64 QEMU
> >
> > Tomasz Jeznach (8):
> >        exec/memtxattr: add process identifier to the transaction attributes
> >        hw/riscv: add riscv-iommu-bits.h
> >        hw/riscv: add RISC-V IOMMU base emulation
> >        hw/riscv: add riscv-iommu-pci reference device
> >        hw/riscv/virt.c: support for RISC-V IOMMU PCIDevice hotplug
> >        hw/riscv/riscv-iommu: add Address Translation Cache (IOATC)
> >        hw/riscv/riscv-iommu: add ATS support
> >        hw/riscv/riscv-iommu: add DBG support
> >
> > Yong-Xuan Wang (1):
> >        hw/intc/riscv_aplic: Check and update pending when write sourcecfg
>
>

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