#include "hw/registerfields.h"
+/* share data between vector helpers and decode code */
+FIELD(VDATA, VM, 0, 1)
+FIELD(VDATA, LMUL, 1, 3)
+FIELD(VDATA, VTA, 4, 1)
+FIELD(VDATA, VTA_ALL_1S, 5, 1)
+FIELD(VDATA, VMA, 6, 1)
+FIELD(VDATA, NF, 7, 4)
+FIELD(VDATA, WD, 7, 1)
+
+/* float point classify helpers */
+target_ulong fclass_h(uint64_t frs1);
+target_ulong fclass_s(uint64_t frs1);
+target_ulong fclass_d(uint64_t frs1);
+
+#ifndef CONFIG_USER_ONLY
+extern const VMStateDescription vmstate_riscv_cpu;
+#endif
+
+enum {
+ RISCV_FRM_RNE = 0, /* Round to Nearest, ties to Even */
+ RISCV_FRM_RTZ = 1, /* Round towards Zero */
+ RISCV_FRM_RDN = 2, /* Round Down */
+ RISCV_FRM_RUP = 3, /* Round Up */
+ RISCV_FRM_RMM = 4, /* Round to Nearest, ties to Max Magnitude */
+ RISCV_FRM_DYN = 7, /* Dynamic rounding mode */
+ RISCV_FRM_ROD = 8, /* Round to Odd */
+};
+
+static inline uint64_t nanbox_s(CPURISCVState *env, float32 f)
+{
+ /* the value is sign-extended instead of NaN-boxing for zfinx */
+ if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
+ return (int32_t)f;
+ } else {
+ return f | MAKE_64BIT_MASK(32, 32);
+ }
+}
+
+static inline float32 check_nanbox_s(CPURISCVState *env, uint64_t f)
+{
+ /* Disable NaN-boxing check when enable zfinx */
+ if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
+ return (uint32_t)f;
+ }
+
+ uint64_t mask = MAKE_64BIT_MASK(32, 32);
+
+ if (likely((f & mask) == mask)) {
+ return (uint32_t)f;
+ } else {
+ return 0x7fc00000u; /* default qnan */
+ }
+}
+
+static inline uint64_t nanbox_h(CPURISCVState *env, float16 f)
+{
+ /* the value is sign-extended instead of NaN-boxing for zfinx */
+ if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
+ return (int16_t)f;
+ } else {
+ return f | MAKE_64BIT_MASK(16, 48);
+ }
+}
+
+static inline float16 check_nanbox_h(CPURISCVState *env, uint64_t f)
+{
+ /* Disable nanbox check when enable zfinx */
+ if (RISCV_CPU(env_cpu(env))->cfg.ext_zfinx) {
+ return (uint16_t)f;
+ }
+
+ uint64_t mask = MAKE_64BIT_MASK(16, 48);
+
+ if (likely((f & mask) == mask)) {
+ return (uint16_t)f;
+ } else {
+ return 0x7E00u; /* default qnan */
+ }
+}
+
#endif