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| author | Anup Patel <apatel@ventanamicro.com> | 2023-11-28 20:26:24 +0530 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-02-09 15:45:22 +0000 |
| commit | 3436684940bc4359d5aed6c28992f5af91448929 (patch) | |
| tree | 8faa6bf9315312c124eb35652eb2e79e5ad98d26 | |
| parent | 667685691c5dc9a4144feb008ebff71d5f7b1e68 (diff) | |
| download | kvmtool-3436684940bc4359d5aed6c28992f5af91448929.tar.gz | |
riscv: Add Zicsr and Zifencei extension support
When the Zicsr and Zifencei extension is available expose it to the guest
via device tree so that guest can use it.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Link: https://lore.kernel.org/r/20231128145628.413414-7-apatel@ventanamicro.com
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | riscv/fdt.c | 2 | ||||
| -rw-r--r-- | riscv/include/kvm/kvm-config-arch.h | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/riscv/fdt.c b/riscv/fdt.c index 19786afb..a4d54eb0 100644 --- a/riscv/fdt.c +++ b/riscv/fdt.c @@ -27,6 +27,8 @@ struct isa_ext_info isa_info_arr[] = { {"zicbom", KVM_RISCV_ISA_EXT_ZICBOM}, {"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ}, {"zicntr", KVM_RISCV_ISA_EXT_ZICNTR}, + {"zicsr", KVM_RISCV_ISA_EXT_ZICSR}, + {"zifencei", KVM_RISCV_ISA_EXT_ZIFENCEI}, {"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE}, {"zihpm", KVM_RISCV_ISA_EXT_ZIHPM}, }; diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h index af5c4b8b..c5247710 100644 --- a/riscv/include/kvm/kvm-config-arch.h +++ b/riscv/include/kvm/kvm-config-arch.h @@ -58,6 +58,12 @@ struct kvm_config_arch { OPT_BOOLEAN('\0', "disable-zicntr", \ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICNTR], \ "Disable Zicntr Extension"), \ + OPT_BOOLEAN('\0', "disable-zicsr", \ + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICSR], \ + "Disable Zicsr Extension"), \ + OPT_BOOLEAN('\0', "disable-zifencei", \ + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIFENCEI], \ + "Disable Zifencei Extension"), \ OPT_BOOLEAN('\0', "disable-zihintpause", \ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTPAUSE],\ "Disable Zihintpause Extension"), \ |