diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c
index b166e8d9c3c2..ed38fcb37b97 100644
--- a/bfd/elfxx-riscv.c
+++ b/bfd/elfxx-riscv.c
@@ -1099,6 +1099,32 @@ check_implicit_for_i (riscv_parse_subset_t *rps ATTRIBUTE_UNUSED,
 	      && subset->minor_version < 1));
 }
 
+/* Compatibility measure for counters (Zicntr and Zihpm):
+   Do or do not add the IMPLICIT only when the ISA version is
+   less than the border.  */
+
+static bool
+check_implicit_compat_counter_from_i (riscv_parse_subset_t *rps,
+				      const riscv_implicit_subset_t *implicit
+					  ATTRIBUTE_UNUSED,
+				      const riscv_subset_t *subset
+					  ATTRIBUTE_UNUSED)
+{
+  /* When rps->isa_spec is NULL, we don't need to care about implicit
+     extensions because the caller is the linker.  */
+  return rps->isa_spec && *rps->isa_spec <= ISA_SPEC_CLASS_20191213;
+}
+
+static bool
+check_implicit_compat_counter_to_zicsr (riscv_parse_subset_t *rps,
+					const riscv_implicit_subset_t
+					    *implicit,
+					const riscv_subset_t *subset)
+{
+  return (rps->isa_spec
+	  && !check_implicit_compat_counter_from_i (rps, implicit, subset));
+}
+
 /* All extension implications.  */
 
 static riscv_implicit_subset_t riscv_implicit_subsets[] =
@@ -1106,6 +1132,8 @@ static riscv_implicit_subset_t riscv_implicit_subsets[] =
   {"e", "i",		check_implicit_always},
   {"i", "zicsr",	check_implicit_for_i},
   {"i", "zifencei",	check_implicit_for_i},
+  {"i", "zicntr",	check_implicit_compat_counter_from_i},
+  {"i", "zihpm",	check_implicit_compat_counter_from_i},
   {"g", "i",		check_implicit_always},
   {"g", "m",		check_implicit_always},
   {"g", "a",		check_implicit_always},
@@ -1191,6 +1219,8 @@ static riscv_implicit_subset_t riscv_implicit_subsets[] =
   {"zcf", "zca",	check_implicit_always},
   {"zcd", "zca",	check_implicit_always},
   {"zcb", "zca",	check_implicit_always},
+  {"zicntr", "zicsr",	check_implicit_compat_counter_to_zicsr},
+  {"zihpm", "zicsr",	check_implicit_compat_counter_to_zicsr},
   {"smaia", "ssaia",		check_implicit_always},
   {"smstateen", "ssstateen",	check_implicit_always},
   {"smepmp", "zicsr",		check_implicit_always},
@@ -1258,12 +1288,20 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] =
   {"zicbom",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zicbop",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zicboz",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
+  {"zicntr",		ISA_SPEC_CLASS_2P2,		RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zicntr",		ISA_SPEC_CLASS_20190608,	RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zicntr",		ISA_SPEC_CLASS_20191213,	RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zicntr",		ISA_SPEC_CLASS_DRAFT,		2, 0,  0 },
   {"zicond",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zicsr",		ISA_SPEC_CLASS_20191213,	2, 0,  0 },
   {"zicsr",		ISA_SPEC_CLASS_20190608,	2, 0,  0 },
   {"zifencei",		ISA_SPEC_CLASS_20191213,	2, 0,  0 },
   {"zifencei",		ISA_SPEC_CLASS_20190608,	2, 0,  0 },
   {"zihintpause",	ISA_SPEC_CLASS_DRAFT,		2, 0,  0 },
+  {"zihpm",		ISA_SPEC_CLASS_2P2,		RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zihpm",		ISA_SPEC_CLASS_20190608,	RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zihpm",		ISA_SPEC_CLASS_20191213,	RISCV_UNKNOWN_VERSION, RISCV_UNKNOWN_VERSION,  0 }, /* Compat.  */
+  {"zihpm",		ISA_SPEC_CLASS_DRAFT,		2, 0,  0 },
   {"zmmul",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zawrs",		ISA_SPEC_CLASS_DRAFT,		1, 0,  0 },
   {"zfa",		ISA_SPEC_CLASS_DRAFT,		0, 1,  0 },
@@ -1683,9 +1721,12 @@ riscv_parse_add_subset (riscv_parse_subset_t *rps,
 	rps->error_handler
 	  (_("x ISA extension `%s' must be set with the versions"),
 	   subset);
-      /* Allow old ISA spec can recognize zicsr and zifencei.  */
+      /* Allow old ISA spec (version 2.2) can recognize extensions
+	 effectively split from the base 'I' extension version 2.0.  */
       else if (strcmp (subset, "zicsr") != 0
-	       && strcmp (subset, "zifencei") != 0)
+	       && strcmp (subset, "zifencei") != 0
+	       && strcmp (subset, "zicntr") != 0
+	       && strcmp (subset, "zihpm") != 0)
 	rps->error_handler
 	  (_("cannot find default versions of the ISA extension `%s'"),
 	   subset);
@@ -2395,6 +2436,8 @@ riscv_multi_subset_supports (riscv_parse_subset_t *rps,
       return riscv_subset_supports (rps, "zicbop");
     case INSN_CLASS_ZICBOZ:
       return riscv_subset_supports (rps, "zicboz");
+    case INSN_CLASS_ZICNTR:
+      return riscv_subset_supports (rps, "zicntr");
     case INSN_CLASS_ZICOND:
       return riscv_subset_supports (rps, "zicond");
     case INSN_CLASS_ZICSR:
@@ -2588,6 +2631,8 @@ riscv_multi_subset_supports_ext (riscv_parse_subset_t *rps,
       return "zicbop";
     case INSN_CLASS_ZICBOZ:
       return "zicboz";
+    case INSN_CLASS_ZICNTR:
+      return "zicntr";
     case INSN_CLASS_ZICOND:
       return "zicond";
     case INSN_CLASS_ZICSR:
diff --git a/gas/config/tc-riscv.c b/gas/config/tc-riscv.c
index aaf8b9be64fd..b0bc3febb0fc 100644
--- a/gas/config/tc-riscv.c
+++ b/gas/config/tc-riscv.c
@@ -66,6 +66,10 @@ enum riscv_csr_class
 
   CSR_CLASS_I,
   CSR_CLASS_I_32,	/* rv32 only */
+  CSR_CLASS_ZICNTR,	/* basic hardware perf counter */
+  CSR_CLASS_ZICNTR_32,	/* basic hardware perf counter, rv32 only */
+  CSR_CLASS_ZIHPM,	/* additional hardware perf counter */
+  CSR_CLASS_ZIHPM_32,	/* additional hardware perf counter, rv32 only */
   CSR_CLASS_F,		/* f-ext only */
   CSR_CLASS_ZKR,	/* zkr only */
   CSR_CLASS_V,		/* rvv only */
@@ -1031,6 +1035,18 @@ riscv_csr_address (const char *csr_name,
       need_check_version = true;
       extension = "i";
       break;
+    case CSR_CLASS_ZICNTR_32:
+      is_rv32_only = true;
+      /* Fall through.  */
+    case CSR_CLASS_ZICNTR:
+      extension = "zicntr";
+      break;
+    case CSR_CLASS_ZIHPM_32:
+      is_rv32_only = true;
+      /* Fall through.  */
+    case CSR_CLASS_ZIHPM:
+      extension = "zihpm";
+      break;
     case CSR_CLASS_H_32:
       is_rv32_only = true;
       /* Fall through.  */
diff --git a/gas/testsuite/gas/riscv/march-imply-i.s b/gas/testsuite/gas/riscv/march-imply-i.s
index b65c3c32aa63..a225aaf72ae3 100644
--- a/gas/testsuite/gas/riscv/march-imply-i.s
+++ b/gas/testsuite/gas/riscv/march-imply-i.s
@@ -22,3 +22,11 @@ target:
 
 	# zifencei
 	fence.i
+
+	# zicntr
+	rdcycle		t0
+	rdtime		t0
+	rdinstret	t0
+	rdcycleh	t0
+	rdtimeh		t0
+	rdinstreth	t0
diff --git a/include/opcode/riscv-opc.h b/include/opcode/riscv-opc.h
index 53f5f2005085..d486da4b862c 100644
--- a/include/opcode/riscv-opc.h
+++ b/include/opcode/riscv-opc.h
@@ -3529,70 +3529,70 @@ DECLARE_INSN(vt_maskcn, MATCH_VT_MASKCN, MASK_VT_MASKCN)
 #endif /* DECLARE_INSN */
 #ifdef DECLARE_CSR
 /* Unprivileged Counter/Timers CSRs.  */
-DECLARE_CSR(cycle, CSR_CYCLE, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(time, CSR_TIME, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(instret, CSR_INSTRET, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter3, CSR_HPMCOUNTER3, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter4, CSR_HPMCOUNTER4, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter5, CSR_HPMCOUNTER5, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter6, CSR_HPMCOUNTER6, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter7, CSR_HPMCOUNTER7, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter8, CSR_HPMCOUNTER8, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter9, CSR_HPMCOUNTER9, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter10, CSR_HPMCOUNTER10, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter11, CSR_HPMCOUNTER11, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter12, CSR_HPMCOUNTER12, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter13, CSR_HPMCOUNTER13, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter14, CSR_HPMCOUNTER14, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter15, CSR_HPMCOUNTER15, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter16, CSR_HPMCOUNTER16, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter17, CSR_HPMCOUNTER17, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter18, CSR_HPMCOUNTER18, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter19, CSR_HPMCOUNTER19, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter20, CSR_HPMCOUNTER20, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter21, CSR_HPMCOUNTER21, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter22, CSR_HPMCOUNTER22, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter23, CSR_HPMCOUNTER23, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter24, CSR_HPMCOUNTER24, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter25, CSR_HPMCOUNTER25, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter26, CSR_HPMCOUNTER26, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter27, CSR_HPMCOUNTER27, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter28, CSR_HPMCOUNTER28, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter29, CSR_HPMCOUNTER29, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter30, CSR_HPMCOUNTER30, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter31, CSR_HPMCOUNTER31, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(cycleh, CSR_CYCLEH, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(timeh, CSR_TIMEH, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(instreth, CSR_INSTRETH, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter3h, CSR_HPMCOUNTER3H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter4h, CSR_HPMCOUNTER4H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter5h, CSR_HPMCOUNTER5H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter6h, CSR_HPMCOUNTER6H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter7h, CSR_HPMCOUNTER7H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter8h, CSR_HPMCOUNTER8H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter9h, CSR_HPMCOUNTER9H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter10h, CSR_HPMCOUNTER10H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter11h, CSR_HPMCOUNTER11H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter12h, CSR_HPMCOUNTER12H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter13h, CSR_HPMCOUNTER13H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter14h, CSR_HPMCOUNTER14H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter15h, CSR_HPMCOUNTER15H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter16h, CSR_HPMCOUNTER16H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter17h, CSR_HPMCOUNTER17H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter18h, CSR_HPMCOUNTER18H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter19h, CSR_HPMCOUNTER19H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter20h, CSR_HPMCOUNTER20H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter21h, CSR_HPMCOUNTER21H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter22h, CSR_HPMCOUNTER22H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter23h, CSR_HPMCOUNTER23H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter24h, CSR_HPMCOUNTER24H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter25h, CSR_HPMCOUNTER25H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter26h, CSR_HPMCOUNTER26H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter27h, CSR_HPMCOUNTER27H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter28h, CSR_HPMCOUNTER28H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter29h, CSR_HPMCOUNTER29H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter30h, CSR_HPMCOUNTER30H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(hpmcounter31h, CSR_HPMCOUNTER31H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
+DECLARE_CSR(cycle, CSR_CYCLE, CSR_CLASS_ZICNTR, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(time, CSR_TIME, CSR_CLASS_ZICNTR, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(instret, CSR_INSTRET, CSR_CLASS_ZICNTR, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter3, CSR_HPMCOUNTER3, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter4, CSR_HPMCOUNTER4, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter5, CSR_HPMCOUNTER5, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter6, CSR_HPMCOUNTER6, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter7, CSR_HPMCOUNTER7, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter8, CSR_HPMCOUNTER8, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter9, CSR_HPMCOUNTER9, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter10, CSR_HPMCOUNTER10, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter11, CSR_HPMCOUNTER11, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter12, CSR_HPMCOUNTER12, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter13, CSR_HPMCOUNTER13, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter14, CSR_HPMCOUNTER14, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter15, CSR_HPMCOUNTER15, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter16, CSR_HPMCOUNTER16, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter17, CSR_HPMCOUNTER17, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter18, CSR_HPMCOUNTER18, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter19, CSR_HPMCOUNTER19, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter20, CSR_HPMCOUNTER20, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter21, CSR_HPMCOUNTER21, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter22, CSR_HPMCOUNTER22, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter23, CSR_HPMCOUNTER23, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter24, CSR_HPMCOUNTER24, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter25, CSR_HPMCOUNTER25, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter26, CSR_HPMCOUNTER26, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter27, CSR_HPMCOUNTER27, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter28, CSR_HPMCOUNTER28, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter29, CSR_HPMCOUNTER29, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter30, CSR_HPMCOUNTER30, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter31, CSR_HPMCOUNTER31, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(cycleh, CSR_CYCLEH, CSR_CLASS_ZICNTR_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(timeh, CSR_TIMEH, CSR_CLASS_ZICNTR_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(instreth, CSR_INSTRETH, CSR_CLASS_ZICNTR_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter3h, CSR_HPMCOUNTER3H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter4h, CSR_HPMCOUNTER4H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter5h, CSR_HPMCOUNTER5H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter6h, CSR_HPMCOUNTER6H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter7h, CSR_HPMCOUNTER7H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter8h, CSR_HPMCOUNTER8H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter9h, CSR_HPMCOUNTER9H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter10h, CSR_HPMCOUNTER10H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter11h, CSR_HPMCOUNTER11H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter12h, CSR_HPMCOUNTER12H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter13h, CSR_HPMCOUNTER13H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter14h, CSR_HPMCOUNTER14H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter15h, CSR_HPMCOUNTER15H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter16h, CSR_HPMCOUNTER16H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter17h, CSR_HPMCOUNTER17H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter18h, CSR_HPMCOUNTER18H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter19h, CSR_HPMCOUNTER19H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter20h, CSR_HPMCOUNTER20H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter21h, CSR_HPMCOUNTER21H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter22h, CSR_HPMCOUNTER22H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter23h, CSR_HPMCOUNTER23H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter24h, CSR_HPMCOUNTER24H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter25h, CSR_HPMCOUNTER25H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter26h, CSR_HPMCOUNTER26H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter27h, CSR_HPMCOUNTER27H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter28h, CSR_HPMCOUNTER28H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter29h, CSR_HPMCOUNTER29H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter30h, CSR_HPMCOUNTER30H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(hpmcounter31h, CSR_HPMCOUNTER31H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Privileged Supervisor CSRs.  */
 DECLARE_CSR(sstatus, CSR_SSTATUS, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(sie, CSR_SIE, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
@@ -3710,98 +3710,98 @@ DECLARE_CSR(pmpaddr60, CSR_PMPADDR60, CSR_CLASS_I, PRIV_SPEC_CLASS_1P12, PRIV_SP
 DECLARE_CSR(pmpaddr61, CSR_PMPADDR61, CSR_CLASS_I, PRIV_SPEC_CLASS_1P12, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(pmpaddr62, CSR_PMPADDR62, CSR_CLASS_I, PRIV_SPEC_CLASS_1P12, PRIV_SPEC_CLASS_DRAFT)
 DECLARE_CSR(pmpaddr63, CSR_PMPADDR63, CSR_CLASS_I, PRIV_SPEC_CLASS_1P12, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mcycle, CSR_MCYCLE, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(minstret, CSR_MINSTRET, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter3, CSR_MHPMCOUNTER3, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter4, CSR_MHPMCOUNTER4, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter5, CSR_MHPMCOUNTER5, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter6, CSR_MHPMCOUNTER6, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter7, CSR_MHPMCOUNTER7, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter8, CSR_MHPMCOUNTER8, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter9, CSR_MHPMCOUNTER9, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter10, CSR_MHPMCOUNTER10, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter11, CSR_MHPMCOUNTER11, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter12, CSR_MHPMCOUNTER12, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter13, CSR_MHPMCOUNTER13, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter14, CSR_MHPMCOUNTER14, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter15, CSR_MHPMCOUNTER15, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter16, CSR_MHPMCOUNTER16, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter17, CSR_MHPMCOUNTER17, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter18, CSR_MHPMCOUNTER18, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter19, CSR_MHPMCOUNTER19, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter20, CSR_MHPMCOUNTER20, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter21, CSR_MHPMCOUNTER21, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter22, CSR_MHPMCOUNTER22, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter23, CSR_MHPMCOUNTER23, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter24, CSR_MHPMCOUNTER24, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter25, CSR_MHPMCOUNTER25, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter26, CSR_MHPMCOUNTER26, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter27, CSR_MHPMCOUNTER27, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter28, CSR_MHPMCOUNTER28, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter29, CSR_MHPMCOUNTER29, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter30, CSR_MHPMCOUNTER30, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter31, CSR_MHPMCOUNTER31, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mcycleh, CSR_MCYCLEH, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(minstreth, CSR_MINSTRETH, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter3h, CSR_MHPMCOUNTER3H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter4h, CSR_MHPMCOUNTER4H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter5h, CSR_MHPMCOUNTER5H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter6h, CSR_MHPMCOUNTER6H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter7h, CSR_MHPMCOUNTER7H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter8h, CSR_MHPMCOUNTER8H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter9h, CSR_MHPMCOUNTER9H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter10h, CSR_MHPMCOUNTER10H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter11h, CSR_MHPMCOUNTER11H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter12h, CSR_MHPMCOUNTER12H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter13h, CSR_MHPMCOUNTER13H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter14h, CSR_MHPMCOUNTER14H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter15h, CSR_MHPMCOUNTER15H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter16h, CSR_MHPMCOUNTER16H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter17h, CSR_MHPMCOUNTER17H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter18h, CSR_MHPMCOUNTER18H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter19h, CSR_MHPMCOUNTER19H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter20h, CSR_MHPMCOUNTER20H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter21h, CSR_MHPMCOUNTER21H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter22h, CSR_MHPMCOUNTER22H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter23h, CSR_MHPMCOUNTER23H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter24h, CSR_MHPMCOUNTER24H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter25h, CSR_MHPMCOUNTER25H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter26h, CSR_MHPMCOUNTER26H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter27h, CSR_MHPMCOUNTER27H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter28h, CSR_MHPMCOUNTER28H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter29h, CSR_MHPMCOUNTER29H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter30h, CSR_MHPMCOUNTER30H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmcounter31h, CSR_MHPMCOUNTER31H, CSR_CLASS_I_32, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
+DECLARE_CSR(mcycle, CSR_MCYCLE, CSR_CLASS_ZICNTR, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(minstret, CSR_MINSTRET, CSR_CLASS_ZICNTR, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter3, CSR_MHPMCOUNTER3, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter4, CSR_MHPMCOUNTER4, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter5, CSR_MHPMCOUNTER5, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter6, CSR_MHPMCOUNTER6, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter7, CSR_MHPMCOUNTER7, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter8, CSR_MHPMCOUNTER8, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter9, CSR_MHPMCOUNTER9, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter10, CSR_MHPMCOUNTER10, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter11, CSR_MHPMCOUNTER11, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter12, CSR_MHPMCOUNTER12, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter13, CSR_MHPMCOUNTER13, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter14, CSR_MHPMCOUNTER14, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter15, CSR_MHPMCOUNTER15, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter16, CSR_MHPMCOUNTER16, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter17, CSR_MHPMCOUNTER17, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter18, CSR_MHPMCOUNTER18, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter19, CSR_MHPMCOUNTER19, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter20, CSR_MHPMCOUNTER20, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter21, CSR_MHPMCOUNTER21, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter22, CSR_MHPMCOUNTER22, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter23, CSR_MHPMCOUNTER23, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter24, CSR_MHPMCOUNTER24, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter25, CSR_MHPMCOUNTER25, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter26, CSR_MHPMCOUNTER26, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter27, CSR_MHPMCOUNTER27, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter28, CSR_MHPMCOUNTER28, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter29, CSR_MHPMCOUNTER29, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter30, CSR_MHPMCOUNTER30, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter31, CSR_MHPMCOUNTER31, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mcycleh, CSR_MCYCLEH, CSR_CLASS_ZICNTR_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(minstreth, CSR_MINSTRETH, CSR_CLASS_ZICNTR_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter3h, CSR_MHPMCOUNTER3H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter4h, CSR_MHPMCOUNTER4H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter5h, CSR_MHPMCOUNTER5H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter6h, CSR_MHPMCOUNTER6H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter7h, CSR_MHPMCOUNTER7H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter8h, CSR_MHPMCOUNTER8H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter9h, CSR_MHPMCOUNTER9H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter10h, CSR_MHPMCOUNTER10H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter11h, CSR_MHPMCOUNTER11H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter12h, CSR_MHPMCOUNTER12H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter13h, CSR_MHPMCOUNTER13H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter14h, CSR_MHPMCOUNTER14H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter15h, CSR_MHPMCOUNTER15H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter16h, CSR_MHPMCOUNTER16H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter17h, CSR_MHPMCOUNTER17H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter18h, CSR_MHPMCOUNTER18H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter19h, CSR_MHPMCOUNTER19H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter20h, CSR_MHPMCOUNTER20H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter21h, CSR_MHPMCOUNTER21H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter22h, CSR_MHPMCOUNTER22H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter23h, CSR_MHPMCOUNTER23H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter24h, CSR_MHPMCOUNTER24H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter25h, CSR_MHPMCOUNTER25H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter26h, CSR_MHPMCOUNTER26H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter27h, CSR_MHPMCOUNTER27H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter28h, CSR_MHPMCOUNTER28H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter29h, CSR_MHPMCOUNTER29H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter30h, CSR_MHPMCOUNTER30H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmcounter31h, CSR_MHPMCOUNTER31H, CSR_CLASS_ZIHPM_32, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(mcountinhibit, CSR_MCOUNTINHIBIT, CSR_CLASS_I, PRIV_SPEC_CLASS_1P11, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent3, CSR_MHPMEVENT3, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent4, CSR_MHPMEVENT4, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent5, CSR_MHPMEVENT5, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent6, CSR_MHPMEVENT6, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent7, CSR_MHPMEVENT7, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent8, CSR_MHPMEVENT8, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent9, CSR_MHPMEVENT9, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent10, CSR_MHPMEVENT10, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent11, CSR_MHPMEVENT11, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent12, CSR_MHPMEVENT12, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent13, CSR_MHPMEVENT13, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent14, CSR_MHPMEVENT14, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent15, CSR_MHPMEVENT15, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent16, CSR_MHPMEVENT16, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent17, CSR_MHPMEVENT17, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent18, CSR_MHPMEVENT18, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent19, CSR_MHPMEVENT19, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent20, CSR_MHPMEVENT20, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent21, CSR_MHPMEVENT21, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent22, CSR_MHPMEVENT22, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent23, CSR_MHPMEVENT23, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent24, CSR_MHPMEVENT24, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent25, CSR_MHPMEVENT25, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent26, CSR_MHPMEVENT26, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent27, CSR_MHPMEVENT27, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent28, CSR_MHPMEVENT28, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent29, CSR_MHPMEVENT29, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent30, CSR_MHPMEVENT30, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
-DECLARE_CSR(mhpmevent31, CSR_MHPMEVENT31, CSR_CLASS_I, PRIV_SPEC_CLASS_1P9P1, PRIV_SPEC_CLASS_DRAFT)
+DECLARE_CSR(mhpmevent3, CSR_MHPMEVENT3, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent4, CSR_MHPMEVENT4, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent5, CSR_MHPMEVENT5, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent6, CSR_MHPMEVENT6, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent7, CSR_MHPMEVENT7, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent8, CSR_MHPMEVENT8, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent9, CSR_MHPMEVENT9, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent10, CSR_MHPMEVENT10, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent11, CSR_MHPMEVENT11, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent12, CSR_MHPMEVENT12, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent13, CSR_MHPMEVENT13, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent14, CSR_MHPMEVENT14, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent15, CSR_MHPMEVENT15, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent16, CSR_MHPMEVENT16, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent17, CSR_MHPMEVENT17, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent18, CSR_MHPMEVENT18, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent19, CSR_MHPMEVENT19, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent20, CSR_MHPMEVENT20, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent21, CSR_MHPMEVENT21, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent22, CSR_MHPMEVENT22, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent23, CSR_MHPMEVENT23, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent24, CSR_MHPMEVENT24, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent25, CSR_MHPMEVENT25, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent26, CSR_MHPMEVENT26, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent27, CSR_MHPMEVENT27, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent28, CSR_MHPMEVENT28, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent29, CSR_MHPMEVENT29, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent30, CSR_MHPMEVENT30, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
+DECLARE_CSR(mhpmevent31, CSR_MHPMEVENT31, CSR_CLASS_ZIHPM, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 /* Privileged Hypervisor CSRs.  */
 DECLARE_CSR(hstatus, CSR_HSTATUS, CSR_CLASS_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
 DECLARE_CSR(hedeleg, CSR_HEDELEG, CSR_CLASS_H, PRIV_SPEC_CLASS_NONE, PRIV_SPEC_CLASS_NONE)
diff --git a/include/opcode/riscv.h b/include/opcode/riscv.h
index 808f36573030..62635f5a3962 100644
--- a/include/opcode/riscv.h
+++ b/include/opcode/riscv.h
@@ -389,6 +389,7 @@ enum riscv_insn_class
   INSN_CLASS_Q,
   INSN_CLASS_F_AND_C,
   INSN_CLASS_D_AND_C,
+  INSN_CLASS_ZICNTR,
   INSN_CLASS_ZICOND,
   INSN_CLASS_ZICSR,
   INSN_CLASS_ZIFENCEI,
diff --git a/opcodes/riscv-opc.c b/opcodes/riscv-opc.c
index 3efab9a407d2..67aca686b95c 100644
--- a/opcodes/riscv-opc.c
+++ b/opcodes/riscv-opc.c
@@ -498,12 +498,12 @@ const struct riscv_opcode riscv_opcodes[] =
 {"fence",       0, INSN_CLASS_I, "P,Q",       MATCH_FENCE, MASK_FENCE|MASK_RD|MASK_RS1|(MASK_IMM & ~MASK_PRED & ~MASK_SUCC), match_opcode, 0 },
 {"fence.i",     0, INSN_CLASS_ZIFENCEI, "",   MATCH_FENCE_I, MASK_FENCE|MASK_RD|MASK_RS1|MASK_IMM, match_opcode, 0 },
 {"fence.tso",   0, INSN_CLASS_I, "",          MATCH_FENCE_TSO, MASK_FENCE_TSO|MASK_RD|MASK_RS1, match_opcode, 0 },
-{"rdcycle",     0, INSN_CLASS_I, "d",         MATCH_RDCYCLE, MASK_RDCYCLE, match_opcode, INSN_ALIAS },
-{"rdinstret",   0, INSN_CLASS_I, "d",         MATCH_RDINSTRET, MASK_RDINSTRET, match_opcode, INSN_ALIAS },
-{"rdtime",      0, INSN_CLASS_I, "d",         MATCH_RDTIME, MASK_RDTIME, match_opcode, INSN_ALIAS },
-{"rdcycleh",   32, INSN_CLASS_I, "d",         MATCH_RDCYCLEH, MASK_RDCYCLEH, match_opcode, INSN_ALIAS },
-{"rdinstreth", 32, INSN_CLASS_I, "d",         MATCH_RDINSTRETH, MASK_RDINSTRETH, match_opcode, INSN_ALIAS },
-{"rdtimeh",    32, INSN_CLASS_I, "d",         MATCH_RDTIMEH, MASK_RDTIMEH, match_opcode, INSN_ALIAS },
+{"rdcycle",     0, INSN_CLASS_ZICNTR, "d",    MATCH_RDCYCLE, MASK_RDCYCLE, match_opcode, INSN_ALIAS },
+{"rdinstret",   0, INSN_CLASS_ZICNTR, "d",    MATCH_RDINSTRET, MASK_RDINSTRET, match_opcode, INSN_ALIAS },
+{"rdtime",      0, INSN_CLASS_ZICNTR, "d",    MATCH_RDTIME, MASK_RDTIME, match_opcode, INSN_ALIAS },
+{"rdcycleh",   32, INSN_CLASS_ZICNTR, "d",    MATCH_RDCYCLEH, MASK_RDCYCLEH, match_opcode, INSN_ALIAS },
+{"rdinstreth", 32, INSN_CLASS_ZICNTR, "d",    MATCH_RDINSTRETH, MASK_RDINSTRETH, match_opcode, INSN_ALIAS },
+{"rdtimeh",    32, INSN_CLASS_ZICNTR, "d",    MATCH_RDTIMEH, MASK_RDTIMEH, match_opcode, INSN_ALIAS },
 {"ecall",       0, INSN_CLASS_I, "",          MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
 {"scall",       0, INSN_CLASS_I, "",          MATCH_SCALL, MASK_SCALL, match_opcode, 0 },
 {"xor",         0, INSN_CLASS_I, "d,s,j",     MATCH_XORI, MASK_XORI, match_opcode, INSN_ALIAS },
