1 files changed, 88 insertions, 0 deletions
diff --git a/target-xtensa/cpu.c b/target-xtensa/cpu.c
new file mode 100644
index 0000000000..97deacb478
--- /dev/null
+++ b/target-xtensa/cpu.c
@@ -0,0 +1,88 @@
+/*
+ * QEMU Xtensa CPU
+ *
+ * Copyright (c) 2011, Max Filippov, Open Source and Linux Lab.
+ * Copyright (c) 2012 SUSE LINUX Products GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the Open Source and Linux Lab nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "cpu-qom.h"
+#include "qemu-common.h"
+
+
+/* CPUClass::reset() */
+static void xtensa_cpu_reset(CPUState *s)
+{
+    XtensaCPU *cpu = XTENSA_CPU(s);
+    XtensaCPUClass *xcc = XTENSA_CPU_GET_CLASS(cpu);
+    CPUXtensaState *env = &cpu->env;
+
+    xcc->parent_reset(s);
+
+    env->exception_taken = 0;
+    env->pc = env->config->exception_vector[EXC_RESET];
+    env->sregs[LITBASE] &= ~1;
+    env->sregs[PS] = xtensa_option_enabled(env->config,
+            XTENSA_OPTION_INTERRUPT) ? 0x1f : 0x10;
+    env->sregs[VECBASE] = env->config->vecbase;
+    env->sregs[IBREAKENABLE] = 0;
+
+    env->pending_irq_level = 0;
+    reset_mmu(env);
+}
+
+static void xtensa_cpu_initfn(Object *obj)
+{
+    XtensaCPU *cpu = XTENSA_CPU(obj);
+    CPUXtensaState *env = &cpu->env;
+
+    cpu_exec_init(env);
+}
+
+static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
+{
+    CPUClass *cc = CPU_CLASS(oc);
+    XtensaCPUClass *xcc = XTENSA_CPU_CLASS(cc);
+
+    xcc->parent_reset = cc->reset;
+    cc->reset = xtensa_cpu_reset;
+}
+
+static const TypeInfo xtensa_cpu_type_info = {
+    .name = TYPE_XTENSA_CPU,
+    .parent = TYPE_CPU,
+    .instance_size = sizeof(XtensaCPU),
+    .instance_init = xtensa_cpu_initfn,
+    .abstract = false,
+    .class_size = sizeof(XtensaCPUClass),
+    .class_init = xtensa_cpu_class_init,
+};
+
+static void xtensa_cpu_register_types(void)
+{
+    type_register_static(&xtensa_cpu_type_info);
+}
+
+type_init(xtensa_cpu_register_types)