e554bbc689
Move XtensaConfig-independent code from cpu_xtensa_init() into a QOM initfn, as a start. Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
89 lines
3.0 KiB
C
89 lines
3.0 KiB
C
/*
|
|
* 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)
|