On 5/11/2026 11:25 PM, Zongmin Zhou wrote:
From: Zongmin Zhou <[email protected]>
Expose the BFloat16 extensions (Zfbfmin, Zvfbfmin, Zvfbfwma) to KVM guests
when available in hardware.
Signed-off-by: Zongmin Zhou <[email protected]>
---
Reviewed-by: Daniel Henrique Barboza <[email protected]>
target/riscv/kvm/kvm-cpu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c
index a46737f934..d732f5614a 100644
--- a/target/riscv/kvm/kvm-cpu.c
+++ b/target/riscv/kvm/kvm-cpu.c
@@ -309,6 +309,7 @@ static KVMCPUConfig kvm_multi_ext_cfgs[] = {
KVM_EXT_CFG("zacas", ext_zacas, KVM_RISCV_ISA_EXT_ZACAS),
KVM_EXT_CFG("zawrs", ext_zawrs, KVM_RISCV_ISA_EXT_ZAWRS),
KVM_EXT_CFG("zfa", ext_zfa, KVM_RISCV_ISA_EXT_ZFA),
+ KVM_EXT_CFG("zfbfmin", ext_zfbfmin, KVM_RISCV_ISA_EXT_ZFBFMIN),
KVM_EXT_CFG("zfh", ext_zfh, KVM_RISCV_ISA_EXT_ZFH),
KVM_EXT_CFG("zfhmin", ext_zfhmin, KVM_RISCV_ISA_EXT_ZFHMIN),
KVM_EXT_CFG("zba", ext_zba, KVM_RISCV_ISA_EXT_ZBA),
@@ -334,6 +335,8 @@ static KVMCPUConfig kvm_multi_ext_cfgs[] = {
KVM_EXT_CFG("zvbc", ext_zvbc, KVM_RISCV_ISA_EXT_ZVBC),
KVM_EXT_CFG("zvfh", ext_zvfh, KVM_RISCV_ISA_EXT_ZVFH),
KVM_EXT_CFG("zvfhmin", ext_zvfhmin, KVM_RISCV_ISA_EXT_ZVFHMIN),
+ KVM_EXT_CFG("zvfbfmin", ext_zvfbfmin, KVM_RISCV_ISA_EXT_ZVFBFMIN),
+ KVM_EXT_CFG("zvfbfwma", ext_zvfbfwma, KVM_RISCV_ISA_EXT_ZVFBFWMA),
KVM_EXT_CFG("zvkb", ext_zvkb, KVM_RISCV_ISA_EXT_ZVKB),
KVM_EXT_CFG("zvkg", ext_zvkg, KVM_RISCV_ISA_EXT_ZVKG),
KVM_EXT_CFG("zvkned", ext_zvkned, KVM_RISCV_ISA_EXT_ZVKNED),
