Add the switch to enable the Smdbltrp ISA extension.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
---
 target/riscv/cpu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index dd3351832a..44da17bc9a 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -183,6 +183,7 @@ const RISCVIsaExtData isa_edata_arr[] = {
     ISA_EXT_DATA_ENTRY(zhinxmin, PRIV_VERSION_1_12_0, ext_zhinxmin),
     ISA_EXT_DATA_ENTRY(smaia, PRIV_VERSION_1_12_0, ext_smaia),
     ISA_EXT_DATA_ENTRY(smcntrpmf, PRIV_VERSION_1_12_0, ext_smcntrpmf),
+    ISA_EXT_DATA_ENTRY(smdbltrp, PRIV_VERSION_1_12_0, ext_smdbltrp),
     ISA_EXT_DATA_ENTRY(smepmp, PRIV_VERSION_1_12_0, ext_smepmp),
     ISA_EXT_DATA_ENTRY(smrnmi, PRIV_VERSION_1_12_0, ext_smrnmi),
     ISA_EXT_DATA_ENTRY(smstateen, PRIV_VERSION_1_12_0, ext_smstateen),
@@ -1492,6 +1493,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = {
     MULTI_EXT_CFG_BOOL("sstc", ext_sstc, true),
 
     MULTI_EXT_CFG_BOOL("smaia", ext_smaia, false),
+    MULTI_EXT_CFG_BOOL("smdbltrp", ext_smdbltrp, false),
     MULTI_EXT_CFG_BOOL("smepmp", ext_smepmp, false),
     MULTI_EXT_CFG_BOOL("smrnmi", ext_smrnmi, false),
     MULTI_EXT_CFG_BOOL("smstateen", ext_smstateen, false),
-- 
2.45.2