Merge tag 'pull-riscv-to-apply-20240209' of https://github.com/alistair23/qemu into...

Merge tag 'pull-riscv-to-apply-20240209' of https://github.com/alistair23/qemu into staging

RISC-V PR for 9.0

* Check for 'A' extension on all atomic instructions
* Add support for 'B' extension
* Internally deprecate riscv_cpu_options
* Implement optional CSR mcontext of debug Sdtrig extension
* Internally add cpu->cfg.vlenb and  remove cpu->cfg.vlen
* Support vlenb and vregs[] in KVM
* RISC-V gdbstub and TCG plugin improvements
* Remove vxrm and vxsat from FCSR
* Use RISCVException as return type for all csr ops
* Use g_autofree more and fix a memory leak
* Add support for Zaamo and Zalrsc
* Support new isa extension detection devicetree properties
* SMBIOS support for RISC-V virt machine
* Enable xtheadsync under user mode
* Add rv32i,rv32e and rv64e CPUs

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# 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-20240209' of https://github.com/alistair23/qemu: (61 commits)
  target/riscv: add rv32i, rv32e and rv64e CPUs
  target/riscv/cpu.c: add riscv_bare_cpu_init()
  target/riscv: Enable xtheadsync under user mode
  qemu-options: enable -smbios option on RISC-V
  target/riscv: SMBIOS support for RISC-V virt machine
  smbios: function to set default processor family
  smbios: add processor-family option
  target/riscv: support new isa extension detection devicetree properties
  target/riscv: use misa_mxl_max to populate isa string rather than TARGET_LONG_BITS
  target/riscv: Expose Zaamo and Zalrsc extensions
  target/riscv: Check 'A' and split extensions for atomic instructions
  target/riscv: Add Zaamo and Zalrsc extension infrastructure
  hw/riscv/virt.c: use g_autofree in create_fdt_*
  hw/riscv/virt.c: use g_autofree in virt_machine_init()
  hw/riscv/virt.c: use g_autofree in create_fdt_virtio()
  hw/riscv/virt.c: use g_autofree in create_fdt_sockets()
  hw/riscv/virt.c: use g_autofree in create_fdt_socket_cpus()
  hw/riscv/numa.c: use g_autofree in socket_fdt_write_distance_matrix()
  hw/riscv/virt-acpi-build.c: fix leak in build_rhct()
  target/riscv: Use RISCVException as return type for all csr ops
  ...

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