1 files changed, 65 insertions, 0 deletions
diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c
new file mode 100644
index 0000000000..4dd0119424
--- /dev/null
+++ b/target/hppa/op_helper.c
@@ -0,0 +1,65 @@
+/*
+ * Helpers for HPPA instructions.
+ *
+ * Copyright (c) 2016 Richard Henderson <rth@twiddle.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/exec-all.h"
+#include "exec/helper-proto.h"
+
+void QEMU_NORETURN HELPER(excp)(CPUHPPAState *env, int excp)
+{
+    HPPACPU *cpu = hppa_env_get_cpu(env);
+    CPUState *cs = CPU(cpu);
+
+    cs->exception_index = excp;
+    cpu_loop_exit(cs);
+}
+
+void HELPER(loaded_fr0)(CPUHPPAState *env)
+{
+    uint32_t shadow = env->fr[0] >> 32;
+    int rm, d;
+
+    env->fr0_shadow = shadow;
+
+    switch (extract32(shadow, 9, 2)) {
+    default:
+        rm = float_round_nearest_even;
+        break;
+    case 1:
+        rm = float_round_to_zero;
+        break;
+    case 2:
+        rm = float_round_up;
+        break;
+    case 3:
+        rm = float_round_down;
+        break;
+    }
+    set_float_rounding_mode(rm, &env->fp_status);
+
+    d = extract32(shadow, 5, 1);
+    set_flush_to_zero(d, &env->fp_status);
+    set_flush_inputs_to_zero(d, &env->fp_status);
+}
+
+void cpu_hppa_loaded_fr0(CPUHPPAState *env)
+{
+    helper_loaded_fr0(env);
+}