[kvmtool PATCH 07/10] riscv: Add Zihintntl extension support

Anup Patel
2024-02-14T12:22:15Z

When the Zihintntl 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>
---
riscv/fdt.c | 1 +
riscv/include/kvm/kvm-config-arch.h | 3 +++
2 files changed, 4 insertions(+)

diff --git a/riscv/fdt.c b/riscv/fdt.c
index 7687624..80e045d 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -37,6 +37,7 @@ struct isa_ext_info isa_info_arr[] = {
{"zicond", KVM_RISCV_ISA_EXT_ZICOND},
{"zicsr", KVM_RISCV_ISA_EXT_ZICSR},
{"zifencei", KVM_RISCV_ISA_EXT_ZIFENCEI},
+ {"zihintntl", KVM_RISCV_ISA_EXT_ZIHINTNTL},
{"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE},
{"zihpm", KVM_RISCV_ISA_EXT_ZIHPM},
{"zknd", KVM_RISCV_ISA_EXT_ZKND},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index f1ac56b..2935c01 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -88,6 +88,9 @@ struct kvm_config_arch {
OPT_BOOLEAN('\0', "disable-zifencei", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIFENCEI], \
"Disable Zifencei Extension"), \
+ OPT_BOOLEAN('\0', "disable-zihintntl", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTNTL], \
+ "Disable Zihintntl Extension"), \
OPT_BOOLEAN('\0', "disable-zihintpause", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTPAUSE],\
"Disable Zihintpause Extension"), \
--
2.34.1