[kvmtool PATCH 06/10] riscv: Add Zfh[min] extensions support

Anup Patel
2024-02-14T12:22:12Z

When the Zfh[min] extensions are 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 | 2 ++
riscv/include/kvm/kvm-config-arch.h | 6 ++++++
2 files changed, 8 insertions(+)

diff --git a/riscv/fdt.c b/riscv/fdt.c
index 44058dc..7687624 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -29,6 +29,8 @@ struct isa_ext_info isa_info_arr[] = {
{"zbkc", KVM_RISCV_ISA_EXT_ZBKC},
{"zbkx", KVM_RISCV_ISA_EXT_ZBKX},
{"zbs", KVM_RISCV_ISA_EXT_ZBS},
+ {"zfh", KVM_RISCV_ISA_EXT_ZFH},
+ {"zfhmin", KVM_RISCV_ISA_EXT_ZFHMIN},
{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
{"zicntr", KVM_RISCV_ISA_EXT_ZICNTR},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index ae648ce..f1ac56b 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -64,6 +64,12 @@ struct kvm_config_arch {
OPT_BOOLEAN('\0', "disable-zbs", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBS], \
"Disable Zbs Extension"), \
+ OPT_BOOLEAN('\0', "disable-zfh", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZFH], \
+ "Disable Zfh Extension"), \
+ OPT_BOOLEAN('\0', "disable-zfhmin", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZFHMIN], \
+ "Disable Zfhmin Extension"), \
OPT_BOOLEAN('\0', "disable-zicbom", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOM], \
"Disable Zicbom Extension"), \
--
2.34.1