aboutsummaryrefslogtreecommitdiff
path: root/target-tricore/helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target-tricore/helper.c')
-rw-r--r--target-tricore/helper.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/target-tricore/helper.c b/target-tricore/helper.c
index 7d96daddb1..71b31cdb9b 100644
--- a/target-tricore/helper.c
+++ b/target-tricore/helper.c
@@ -110,10 +110,18 @@ void tricore_cpu_list(FILE *f, fprintf_function cpu_fprintf)
g_slist_free(list);
}
+void fpu_set_state(CPUTriCoreState *env)
+{
+ set_float_rounding_mode(env->PSW & MASK_PSW_FPU_RM, &env->fp_status);
+ set_flush_inputs_to_zero(1, &env->fp_status);
+ set_flush_to_zero(1, &env->fp_status);
+ set_default_nan_mode(1, &env->fp_status);
+}
+
uint32_t psw_read(CPUTriCoreState *env)
{
/* clear all USB bits */
- env->PSW &= 0xffffff;
+ env->PSW &= 0x6ffffff;
/* now set them from the cache */
env->PSW |= ((env->PSW_USB_C != 0) << 31);
env->PSW |= ((env->PSW_USB_V & (1 << 31)) >> 1);
@@ -132,4 +140,6 @@ void psw_write(CPUTriCoreState *env, uint32_t val)
env->PSW_USB_AV = (val & MASK_USB_AV) << 3;
env->PSW_USB_SAV = (val & MASK_USB_SAV) << 4;
env->PSW = val;
+
+ fpu_set_state(env);
}