8324304: RISC-V: add hw probe flags

Reviewed-by: fyang, rehn

src/hotspot/os_cpu/linux_riscv/riscv_hwprobe.cpp

@@ -49,7 +49,36 @@
 #define   RISCV_HWPROBE_EXT_ZBA                 (1 << 3)
 #define   RISCV_HWPROBE_EXT_ZBB                 (1 << 4)
 #define   RISCV_HWPROBE_EXT_ZBS                 (1 << 5)
+#define   RISCV_HWPROBE_EXT_ZICBOZ              (1 << 6)
+#define   RISCV_HWPROBE_EXT_ZBC                 (1 << 7)
+#define   RISCV_HWPROBE_EXT_ZBKB                (1 << 8)
+#define   RISCV_HWPROBE_EXT_ZBKC                (1 << 9)
+#define   RISCV_HWPROBE_EXT_ZBKX                (1 << 10)
+#define   RISCV_HWPROBE_EXT_ZKND                (1 << 11)
+#define   RISCV_HWPROBE_EXT_ZKNE                (1 << 12)
+#define   RISCV_HWPROBE_EXT_ZKNH                (1 << 13)
+#define   RISCV_HWPROBE_EXT_ZKSED               (1 << 14)
+#define   RISCV_HWPROBE_EXT_ZKSH                (1 << 15)
+#define   RISCV_HWPROBE_EXT_ZKT                 (1 << 16)
+#define   RISCV_HWPROBE_EXT_ZVBB                (1 << 17)
+#define   RISCV_HWPROBE_EXT_ZVBC                (1 << 18)
+#define   RISCV_HWPROBE_EXT_ZVKB                (1 << 19)
+#define   RISCV_HWPROBE_EXT_ZVKG                (1 << 20)
+#define   RISCV_HWPROBE_EXT_ZVKNED              (1 << 21)
+#define   RISCV_HWPROBE_EXT_ZVKNHA              (1 << 22)
+#define   RISCV_HWPROBE_EXT_ZVKNHB              (1 << 23)
+#define   RISCV_HWPROBE_EXT_ZVKSED              (1 << 24)
+#define   RISCV_HWPROBE_EXT_ZVKSH               (1 << 25)
+#define   RISCV_HWPROBE_EXT_ZVKT                (1 << 26)
 #define   RISCV_HWPROBE_EXT_ZFH                 (1 << 27)
+#define   RISCV_HWPROBE_EXT_ZFHMIN              (1 << 28)
+#define   RISCV_HWPROBE_EXT_ZIHINTNTL           (1 << 29)
+#define   RISCV_HWPROBE_EXT_ZVFH                (1 << 30)
+#define   RISCV_HWPROBE_EXT_ZVFHMIN             (1 << 31)
+#define   RISCV_HWPROBE_EXT_ZFA                 (1ULL << 32)
+#define   RISCV_HWPROBE_EXT_ZTSO                (1ULL << 33)
+#define   RISCV_HWPROBE_EXT_ZACAS               (1ULL << 34)
+#define   RISCV_HWPROBE_EXT_ZICOND              (1ULL << 35)
 
 #define RISCV_HWPROBE_KEY_CPUPERF_0     5
 #define   RISCV_HWPROBE_MISALIGNED_UNKNOWN      (0 << 0)

src/hotspot/os_cpu/linux_riscv/vm_version_linux_riscv.cpp

@@ -244,6 +244,8 @@ void VM_Version::rivos_features() {
 
   ext_Zfh.enable_feature();
 
+  ext_Zacas.enable_feature();
+  ext_Zicboz.enable_feature();
   ext_Zicsr.enable_feature();
   ext_Zifencei.enable_feature();
   ext_Zic64b.enable_feature();