diff --git a/linux-user/microblaze/cpu_loop.c b/linux-user/microblaze/cpu_loop.c index 08620d4e68..1a2556be2c 100644 --- a/linux-user/microblaze/cpu_loop.c +++ b/linux-user/microblaze/cpu_loop.c @@ -77,15 +77,25 @@ void cpu_loop(CPUMBState *env) env->iflags &= ~(IMM_FLAG | D_FLAG); switch (env->esr & 31) { case ESR_EC_DIVZERO: - si_code = TARGET_FPE_FLTDIV; + si_code = TARGET_FPE_INTDIV; break; case ESR_EC_FPU: - si_code = 0; - if (env->fsr & FSR_IO) { + /* + * Note that the kernel passes along fsr as si_code + * if there's no recognized bit set. Possibly this + * implies that si_code is 0, but follow the structure. + */ + si_code = env->fsr; + if (si_code & FSR_IO) { si_code = TARGET_FPE_FLTINV; - } - if (env->fsr & FSR_DZ) { + } else if (si_code & FSR_OF) { + si_code = TARGET_FPE_FLTOVF; + } else if (si_code & FSR_UF) { + si_code = TARGET_FPE_FLTUND; + } else if (si_code & FSR_DZ) { si_code = TARGET_FPE_FLTDIV; + } else if (si_code & FSR_DO) { + si_code = TARGET_FPE_FLTRES; } break; default: