diff --git a/arch/riscv/include/asm/asm-prototypes.h b/arch/riscv/include/asm/asm-prototypes.h
index 41ec5cdec367..5b90ba5314ee 100644
--- a/arch/riscv/include/asm/asm-prototypes.h
+++ b/arch/riscv/include/asm/asm-prototypes.h
@@ -40,6 +40,7 @@ asmlinkage void riscv_v_context_nesting_end(struct pt_regs *regs);
 #define DECLARE_DO_ERROR_INFO(name)	asmlinkage void name(struct pt_regs *regs)
 
 DECLARE_DO_ERROR_INFO(do_trap_unknown);
+DECLARE_DO_ERROR_INFO(do_trap_hardware_error);
 DECLARE_DO_ERROR_INFO(do_trap_insn_misaligned);
 DECLARE_DO_ERROR_INFO(do_trap_insn_fault);
 DECLARE_DO_ERROR_INFO(do_trap_insn_illegal);
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 60eb221296a6..d011fb51c59a 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -498,6 +498,7 @@ SYM_DATA_START_LOCAL(excp_vect_table)
 	RISCV_PTR do_trap_unknown /* cause=16 */
 	RISCV_PTR do_trap_unknown /* cause=17 */
 	RISCV_PTR do_trap_software_check /* cause=18 is sw check exception */
+	RISCV_PTR do_trap_hardware_error /* hardware error (19) */
 SYM_DATA_END_LABEL(excp_vect_table, SYM_L_LOCAL, excp_vect_table_end)
 
 #ifndef CONFIG_MMU
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 5fb57fad188a..7cdb5b26d03d 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -165,6 +165,8 @@ asmlinkage __visible __trap_section void name(struct pt_regs *regs)		\
 
 DO_ERROR_INFO(do_trap_unknown,
 	SIGILL, ILL_ILLTRP, "unknown exception");
+DO_ERROR_INFO(do_trap_hardware_error,
+	SIGBUS, BUS_MCEERR_AR, "hardware error");
 DO_ERROR_INFO(do_trap_insn_misaligned,
 	SIGBUS, BUS_ADRALN, "instruction address misaligned");
 DO_ERROR_INFO(do_trap_insn_fault,