119 lines
3.1 KiB
C
119 lines
3.1 KiB
C
/*
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* QEMU AVR CPU
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*
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* Copyright (c) 2016-2020 Michael Rolnik
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <http://www.gnu.org/licenses/lgpl-2.1.html>
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "migration/cpu.h"
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static int get_sreg(QEMUFile *f, void *opaque, size_t size,
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const VMStateField *field)
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{
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CPUAVRState *env = opaque;
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uint8_t sreg;
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sreg = qemu_get_byte(f);
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cpu_set_sreg(env, sreg);
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return 0;
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}
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static int put_sreg(QEMUFile *f, void *opaque, size_t size,
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const VMStateField *field, QJSON *vmdesc)
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{
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CPUAVRState *env = opaque;
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uint8_t sreg = cpu_get_sreg(env);
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qemu_put_byte(f, sreg);
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return 0;
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}
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static const VMStateInfo vms_sreg = {
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.name = "sreg",
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.get = get_sreg,
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.put = put_sreg,
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};
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static int get_segment(QEMUFile *f, void *opaque, size_t size,
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const VMStateField *field)
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{
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uint32_t *ramp = opaque;
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uint8_t temp;
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temp = qemu_get_byte(f);
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*ramp = ((uint32_t)temp) << 16;
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return 0;
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}
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static int put_segment(QEMUFile *f, void *opaque, size_t size,
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const VMStateField *field, QJSON *vmdesc)
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{
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uint32_t *ramp = opaque;
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uint8_t temp = *ramp >> 16;
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qemu_put_byte(f, temp);
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return 0;
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}
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static const VMStateInfo vms_rampD = {
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.name = "rampD",
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.get = get_segment,
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.put = put_segment,
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};
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static const VMStateInfo vms_rampX = {
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.name = "rampX",
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.get = get_segment,
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.put = put_segment,
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};
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static const VMStateInfo vms_rampY = {
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.name = "rampY",
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.get = get_segment,
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.put = put_segment,
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};
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static const VMStateInfo vms_rampZ = {
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.name = "rampZ",
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.get = get_segment,
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.put = put_segment,
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};
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static const VMStateInfo vms_eind = {
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.name = "eind",
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.get = get_segment,
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.put = put_segment,
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};
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const VMStateDescription vms_avr_cpu = {
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.name = "cpu",
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.version_id = 0,
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.minimum_version_id = 0,
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.fields = (VMStateField[]) {
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VMSTATE_UINT32(env.pc_w, AVRCPU),
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VMSTATE_UINT32(env.sp, AVRCPU),
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VMSTATE_UINT32(env.skip, AVRCPU),
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VMSTATE_UINT32_ARRAY(env.r, AVRCPU, NUMBER_OF_CPU_REGISTERS),
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VMSTATE_SINGLE(env, AVRCPU, 0, vms_sreg, CPUAVRState),
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VMSTATE_SINGLE(env.rampD, AVRCPU, 0, vms_rampD, uint32_t),
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VMSTATE_SINGLE(env.rampX, AVRCPU, 0, vms_rampX, uint32_t),
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VMSTATE_SINGLE(env.rampY, AVRCPU, 0, vms_rampY, uint32_t),
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VMSTATE_SINGLE(env.rampZ, AVRCPU, 0, vms_rampZ, uint32_t),
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VMSTATE_SINGLE(env.eind, AVRCPU, 0, vms_eind, uint32_t),
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VMSTATE_END_OF_LIST()
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}
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};
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