diff options
Diffstat (limited to 'arch/nds32/kernel/fpu.c')
| -rw-r--r-- | arch/nds32/kernel/fpu.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/nds32/kernel/fpu.c b/arch/nds32/kernel/fpu.c index fddd40c7a16f..cf0b8760f261 100644 --- a/arch/nds32/kernel/fpu.c +++ b/arch/nds32/kernel/fpu.c @@ -14,7 +14,7 @@ const struct fpu_struct init_fpuregs = { .fd_regs = {[0 ... 31] = sNAN64}, .fpcsr = FPCSR_INIT, #if IS_ENABLED(CONFIG_SUPPORT_DENORMAL_ARITHMETIC) - .UDF_trap = 0 + .UDF_IEX_trap = 0 #endif }; @@ -178,7 +178,7 @@ inline void do_fpu_context_switch(struct pt_regs *regs) /* First time FPU user. */ load_fpu(&init_fpuregs); #if IS_ENABLED(CONFIG_SUPPORT_DENORMAL_ARITHMETIC) - current->thread.fpu.UDF_trap = init_fpuregs.UDF_trap; + current->thread.fpu.UDF_IEX_trap = init_fpuregs.UDF_IEX_trap; #endif set_used_math(); } @@ -206,7 +206,7 @@ inline void handle_fpu_exception(struct pt_regs *regs) unsigned int fpcsr; int si_code = 0, si_signo = SIGFPE; #if IS_ENABLED(CONFIG_SUPPORT_DENORMAL_ARITHMETIC) - unsigned long redo_except = FPCSR_mskDNIT|FPCSR_mskUDFT; + unsigned long redo_except = FPCSR_mskDNIT|FPCSR_mskUDFT|FPCSR_mskIEXT; #else unsigned long redo_except = FPCSR_mskDNIT; #endif @@ -215,21 +215,18 @@ inline void handle_fpu_exception(struct pt_regs *regs) fpcsr = current->thread.fpu.fpcsr; if (fpcsr & redo_except) { -#if IS_ENABLED(CONFIG_SUPPORT_DENORMAL_ARITHMETIC) - if (fpcsr & FPCSR_mskUDFT) - current->thread.fpu.fpcsr &= ~FPCSR_mskIEX; -#endif si_signo = do_fpuemu(regs, ¤t->thread.fpu); fpcsr = current->thread.fpu.fpcsr; - if (!si_signo) + if (!si_signo) { + current->thread.fpu.fpcsr &= ~(redo_except); goto done; + } } else if (fpcsr & FPCSR_mskRIT) { if (!user_mode(regs)) do_exit(SIGILL); si_signo = SIGILL; } - switch (si_signo) { case SIGFPE: fill_sigfpe_signo(fpcsr, &si_code); |