diff options
Diffstat (limited to 'target/tricore/helper.c')
| -rw-r--r-- | target/tricore/helper.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/target/tricore/helper.c b/target/tricore/helper.c index 6d076ac36f..7e5da3cb23 100644 --- a/target/tricore/helper.c +++ b/target/tricore/helper.c @@ -120,16 +120,31 @@ void tricore_cpu_list(void) void fpu_set_state(CPUTriCoreState *env) { - set_float_rounding_mode(env->PSW & MASK_PSW_FPU_RM, &env->fp_status); + switch (extract32(env->PSW, 24, 2)) { + case 0: + set_float_rounding_mode(float_round_nearest_even, &env->fp_status); + break; + case 1: + set_float_rounding_mode(float_round_up, &env->fp_status); + break; + case 2: + set_float_rounding_mode(float_round_down, &env->fp_status); + break; + case 3: + set_float_rounding_mode(float_round_to_zero, &env->fp_status); + break; + } + set_flush_inputs_to_zero(1, &env->fp_status); set_flush_to_zero(1, &env->fp_status); + set_float_detect_tininess(float_tininess_before_rounding, &env->fp_status); set_default_nan_mode(1, &env->fp_status); } uint32_t psw_read(CPUTriCoreState *env) { /* clear all USB bits */ - env->PSW &= 0x6ffffff; + env->PSW &= 0x7ffffff; /* now set them from the cache */ env->PSW |= ((env->PSW_USB_C != 0) << 31); env->PSW |= ((env->PSW_USB_V & (1 << 31)) >> 1); |