diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 278a49bd93b6..7365cd6be702 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -475,6 +475,7 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER cpu cpu sti silent /* #11 */ BUILD_HANDLER ov ov sti silent /* #12 */ BUILD_HANDLER tr tr sti silent /* #13 */ + BUILD_HANDLER msa_fpe msa_fpe sti silent /* #14 */ BUILD_HANDLER fpe fpe fpe silent /* #15 */ BUILD_HANDLER ftlb ftlb none silent /* #16 */ BUILD_HANDLER msa msa sti silent /* #21 */ diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 4f27cbfad1e5..7ac4d8f44cf0 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -78,6 +78,7 @@ extern asmlinkage void handle_ri_rdhwr(void); extern asmlinkage void handle_cpu(void); extern asmlinkage void handle_ov(void); extern asmlinkage void handle_tr(void); +extern asmlinkage void handle_msa_fpe(void); extern asmlinkage void handle_fpe(void); extern asmlinkage void handle_ftlb(void); extern asmlinkage void handle_msa(void); @@ -1250,6 +1251,16 @@ out: exception_exit(prev_state); } +asmlinkage void do_msa_fpe(struct pt_regs *regs) +{ + enum ctx_state prev_state; + + prev_state = exception_enter(); + die_if_kernel("do_msa_fpe invoked from kernel context!", regs); + force_sig(SIGFPE, current); + exception_exit(prev_state); +} + asmlinkage void do_msa(struct pt_regs *regs) { enum ctx_state prev_state; @@ -2106,6 +2117,7 @@ void __init trap_init(void) set_except_vector(11, handle_cpu); set_except_vector(12, handle_ov); set_except_vector(13, handle_tr); + set_except_vector(14, handle_msa_fpe); if (current_cpu_type() == CPU_R6000 || current_cpu_type() == CPU_R6000A) {