Merge tag 'pull-riscv-to-apply-20220703-1' of github.com:alistair23/qemu into staging

Fifth RISC-V PR for QEMU 7.1

* Fix register zero guarding for auipc and lui
* Ensure bins (mtval) is set correctly
* Minimize the calls to decode_save_opc
* Guard against PMP ranges with a negative size
* Implement mcountinhibit CSR
* Add support for hpmcounters/hpmevents
* Improve PMU implenentation
* Support mcycle/minstret write operation
* Fixup MSECCFG minimum priv check
* Ibex (OpenTitan) fixup priv version
* Fix bug resulting in always using latest priv spec
* Reduce FDT address alignment constraints
* Set minumum priv spec version for mcountinhibit
* AIA update to v0.3 of the spec

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* tag 'pull-riscv-to-apply-20220703-1' of github.com:alistair23/qemu:
  target/riscv: Update default priority table for local interrupts
  target/riscv: Remove CSRs that set/clear an IMSIC interrupt file bits
  target/riscv: Set minumum priv spec version for mcountinhibit
  hw/riscv: boot: Reduce FDT address alignment constraints
  target/riscv: Don't force update priv spec version to latest
  target/riscv: Ibex: Support priv version 1.11
  target/riscv: Fixup MSECCFG minimum priv check
  target/riscv: Support mcycle/minstret write operation
  target/riscv: Add support for hpmcounters/hpmevents
  target/riscv: Implement mcountinhibit CSR
  target/riscv: pmu: Make number of counters configurable
  target/riscv: pmu: Rename the counters extension to pmu
  target/riscv: Implement PMU CSR predicate function for S-mode
  target/riscv: Fix PMU CSR predicate function
  target/riscv/pmp: guard against PMP ranges with a negative size
  target/riscv: Minimize the calls to decode_save_opc
  target/riscv: Remove generate_exception_mtval
  target/riscv: Set env->bins in gen_exception_illegal
  target/riscv: Remove condition guarding register zero for auipc and lui

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

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