riscv: Add Zvfh[min] extensions support
When the Zvfh[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>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240325153141.6816-9-apatel@ventanamicro.com
Signed-off-by: Will Deacon <will@kernel.org>
diff --git a/riscv/fdt.c b/riscv/fdt.c
index 80e045d..005301e 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -49,6 +49,8 @@
{"zkt", KVM_RISCV_ISA_EXT_ZKT},
{"zvbb", KVM_RISCV_ISA_EXT_ZVBB},
{"zvbc", KVM_RISCV_ISA_EXT_ZVBC},
+ {"zvfh", KVM_RISCV_ISA_EXT_ZVFH},
+ {"zvfhmin", KVM_RISCV_ISA_EXT_ZVFHMIN},
{"zvkb", KVM_RISCV_ISA_EXT_ZVKB},
{"zvkg", KVM_RISCV_ISA_EXT_ZVKG},
{"zvkned", KVM_RISCV_ISA_EXT_ZVKNED},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index 2935c01..10ca3b8 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -124,6 +124,12 @@
OPT_BOOLEAN('\0', "disable-zvbc", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZVBC], \
"Disable Zvbc Extension"), \
+ OPT_BOOLEAN('\0', "disable-zvfh", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZVFH], \
+ "Disable Zvfh Extension"), \
+ OPT_BOOLEAN('\0', "disable-zvfhmin", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZVFHMIN], \
+ "Disable Zvfhmin Extension"), \
OPT_BOOLEAN('\0', "disable-zvkb", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZVKB], \
"Disable Zvkb Extension"), \
