1 files changed, 90 insertions, 0 deletions
diff --git a/target-sh4/cpu.c b/target-sh4/cpu.c
new file mode 100644
index 0000000000..a1a177fa88
--- /dev/null
+++ b/target-sh4/cpu.c
@@ -0,0 +1,90 @@
+/*
+ * QEMU SuperH CPU
+ *
+ * Copyright (c) 2005 Samuel Tardieu
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ *
+ * 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 2.1 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/lgpl-2.1.html>
+ */
+
+#include "cpu.h"
+#include "qemu-common.h"
+
+
+/* CPUClass::reset() */
+static void superh_cpu_reset(CPUState *s)
+{
+    SuperHCPU *cpu = SUPERH_CPU(s);
+    SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(cpu);
+    CPUSH4State *env = &cpu->env;
+
+    if (qemu_loglevel_mask(CPU_LOG_RESET)) {
+        qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
+        log_cpu_state(env, 0);
+    }
+
+    scc->parent_reset(s);
+
+    memset(env, 0, offsetof(CPUSH4State, breakpoints));
+    tlb_flush(env, 1);
+
+    env->pc = 0xA0000000;
+#if defined(CONFIG_USER_ONLY)
+    env->fpscr = FPSCR_PR; /* value for userspace according to the kernel */
+    set_float_rounding_mode(float_round_nearest_even, &env->fp_status); /* ?! */
+#else
+    env->sr = SR_MD | SR_RB | SR_BL | SR_I3 | SR_I2 | SR_I1 | SR_I0;
+    env->fpscr = FPSCR_DN | FPSCR_RM_ZERO; /* CPU reset value according to SH4 manual */
+    set_float_rounding_mode(float_round_to_zero, &env->fp_status);
+    set_flush_to_zero(1, &env->fp_status);
+#endif
+    set_default_nan_mode(1, &env->fp_status);
+}
+
+static void superh_cpu_initfn(Object *obj)
+{
+    SuperHCPU *cpu = SUPERH_CPU(obj);
+    CPUSH4State *env = &cpu->env;
+
+    cpu_exec_init(env);
+
+    env->movcal_backup_tail = &(env->movcal_backup);
+}
+
+static void superh_cpu_class_init(ObjectClass *oc, void *data)
+{
+    CPUClass *cc = CPU_CLASS(oc);
+    SuperHCPUClass *scc = SUPERH_CPU_CLASS(oc);
+
+    scc->parent_reset = cc->reset;
+    cc->reset = superh_cpu_reset;
+}
+
+static const TypeInfo superh_cpu_type_info = {
+    .name = TYPE_SUPERH_CPU,
+    .parent = TYPE_CPU,
+    .instance_size = sizeof(SuperHCPU),
+    .instance_init = superh_cpu_initfn,
+    .abstract = false,
+    .class_size = sizeof(SuperHCPUClass),
+    .class_init = superh_cpu_class_init,
+};
+
+static void superh_cpu_register_types(void)
+{
+    type_register_static(&superh_cpu_type_info);
+}
+
+type_init(superh_cpu_register_types)