diff --git a/libc/kernel/uapi/asm-arm64/asm/hwcap.h b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
index 11946f1..5abff63 100644
--- a/libc/kernel/uapi/asm-arm64/asm/hwcap.h
+++ b/libc/kernel/uapi/asm-arm64/asm/hwcap.h
@@ -83,4 +83,7 @@
 #define HWCAP2_SME_F16F16 (1UL << 42)
 #define HWCAP2_MOPS (1UL << 43)
 #define HWCAP2_HBC (1UL << 44)
+#define HWCAP2_SVE_B16B16 (1UL << 45)
+#define HWCAP2_LRCPC3 (1UL << 46)
+#define HWCAP2_LSE128 (1UL << 47)
 #endif
diff --git a/libc/kernel/uapi/asm-arm64/asm/kvm.h b/libc/kernel/uapi/asm-arm64/asm/kvm.h
index edac456..5ad9021 100644
--- a/libc/kernel/uapi/asm-arm64/asm/kvm.h
+++ b/libc/kernel/uapi/asm-arm64/asm/kvm.h
@@ -275,5 +275,13 @@
 };
 #define KVM_HYPERCALL_EXIT_SMC (1U << 0)
 #define KVM_HYPERCALL_EXIT_16BIT (1U << 1)
+#define KVM_ARM_FEATURE_ID_RANGE_IDX(op0,op1,crn,crm,op2) ({ __u64 __op1 = (op1) & 3; __op1 -= (__op1 == 3); (__op1 << 6 | ((crm) & 7) << 3 | (op2)); })
+#define KVM_ARM_FEATURE_ID_RANGE 0
+#define KVM_ARM_FEATURE_ID_RANGE_SIZE (3 * 8 * 8)
+struct reg_mask_range {
+  __u64 addr;
+  __u32 range;
+  __u32 reserved[13];
+};
 #endif
 #endif