Re: [PATCH v2 6/8] target/riscv/kvm: add CSR_SIREG and CSR_STOPEI emulation

On Mon, Feb 24, 2025 at 04:24:13PM +0800, Yong-Xuan Wang wrote: > Support user-space emulation of SIREG and STOPEI CSR with KVM > acceleration. For SIREG emulation, the SISELECT CSR value and iprio > array must be loaded before handling, and since the iprio array might > be modified, it must be wri

[PATCH v2 6/8] target/riscv/kvm: add CSR_SIREG and CSR_STOPEI emulation

Support user-space emulation of SIREG and STOPEI CSR with KVM acceleration. For SIREG emulation, the SISELECT CSR value and iprio array must be loaded before handling, and since the iprio array might be modified, it must be written back after the emulation. When running with KVM acceleration, the