diff --git a/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi b/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi
index 523799a1a8b8..3135409c2149 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi
@@ -24,10 +24,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache0>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -60,10 +60,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache0>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -96,10 +96,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache0>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -132,10 +132,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache0>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -168,10 +168,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache1>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -204,10 +204,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache1>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -240,10 +240,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache1>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -276,10 +276,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache1>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -312,10 +312,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache2>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -348,10 +348,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache2>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -384,10 +384,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache2>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -420,10 +420,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache2>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -456,10 +456,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache3>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -492,10 +492,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache3>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -528,10 +528,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache3>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -564,10 +564,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache3>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -600,10 +600,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache4>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -636,10 +636,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache4>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -672,10 +672,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache4>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -708,10 +708,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache4>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -744,10 +744,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache5>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -780,10 +780,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache5>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -816,10 +816,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache5>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -852,10 +852,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache5>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -888,10 +888,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache6>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -924,10 +924,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache6>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -960,10 +960,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache6>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -996,10 +996,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache6>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1032,10 +1032,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache7>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1068,10 +1068,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache7>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1104,10 +1104,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache7>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1140,10 +1140,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache7>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1176,10 +1176,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache8>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1212,10 +1212,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache8>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1248,10 +1248,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache8>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1284,10 +1284,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache8>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1320,10 +1320,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache9>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1356,10 +1356,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache9>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1392,10 +1392,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache9>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1428,10 +1428,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache9>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1464,10 +1464,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache10>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1500,10 +1500,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache10>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1536,10 +1536,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache10>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1572,10 +1572,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache10>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1608,10 +1608,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache11>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1644,10 +1644,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache11>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1680,10 +1680,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache11>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1716,10 +1716,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache11>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1752,10 +1752,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache12>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1788,10 +1788,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache12>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1824,10 +1824,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache12>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1860,10 +1860,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache12>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1896,10 +1896,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache13>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1932,10 +1932,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache13>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -1968,10 +1968,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache13>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2004,10 +2004,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache13>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2040,10 +2040,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache14>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2076,10 +2076,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache14>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2112,10 +2112,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache14>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2148,10 +2148,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache14>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2184,10 +2184,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache15>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2220,10 +2220,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache15>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2256,10 +2256,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache15>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",
@@ -2292,10 +2292,10 @@
 			device_type = "cpu";
 			mmu-type = "riscv,sv48";
 			next-level-cache = <&l2_cache15>;
-			riscv,isa = "rv64imafdcv";
+			riscv,isa = "rv64imafdcbv";
 			riscv,isa-base = "rv64i";
 			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
-					       "v", "sscofpmf", "sstc",
+					       "b", "v", "sscofpmf", "sstc",
 					       "svinval", "svnapot", "svpbmt",
 					       "zawrs", "zba", "zbb", "zbc",
 					       "zbs", "zca", "zcb", "zcd",