diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index be3ec5a25d..84902be070 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -108,7 +108,9 @@ const RISCVIsaExtData isa_edata_arr[] = {
     ISA_EXT_DATA_ENTRY(zihintpause, PRIV_VERSION_1_10_0, ext_zihintpause),
     ISA_EXT_DATA_ENTRY(zihpm, PRIV_VERSION_1_12_0, ext_zihpm),
     ISA_EXT_DATA_ENTRY(zmmul, PRIV_VERSION_1_12_0, ext_zmmul),
+    ISA_EXT_DATA_ENTRY(zaamo, PRIV_VERSION_1_12_0, ext_zaamo),
     ISA_EXT_DATA_ENTRY(zacas, PRIV_VERSION_1_12_0, ext_zacas),
+    ISA_EXT_DATA_ENTRY(zalrsc, PRIV_VERSION_1_12_0, ext_zalrsc),
     ISA_EXT_DATA_ENTRY(zawrs, PRIV_VERSION_1_12_0, ext_zawrs),
     ISA_EXT_DATA_ENTRY(zfa, PRIV_VERSION_1_12_0, ext_zfa),
     ISA_EXT_DATA_ENTRY(zfbfmin, PRIV_VERSION_1_12_0, ext_zfbfmin),
@@ -1514,6 +1516,9 @@ const RISCVCPUMultiExtConfig riscv_cpu_experimental_exts[] = {
     MULTI_EXT_CFG_BOOL("x-smaia", ext_smaia, false),
     MULTI_EXT_CFG_BOOL("x-ssaia", ext_ssaia, false),
 
+    MULTI_EXT_CFG_BOOL("x-zaamo", ext_zaamo, false),
+    MULTI_EXT_CFG_BOOL("x-zalrsc", ext_zalrsc, false),
+
     MULTI_EXT_CFG_BOOL("x-zvfh", ext_zvfh, false),
     MULTI_EXT_CFG_BOOL("x-zvfhmin", ext_zvfhmin, false),