3fa28dd6cf
Add migration-related functions of AVR CPU class object. [AM: Split a larger AVR introduction patch into logical units] Suggested-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com> Co-developed-by: Michael Rolnik <mrolnik@gmail.com> Co-developed-by: Sarah Harris <S.E.Harris@kent.ac.uk> Signed-off-by: Michael Rolnik <mrolnik@gmail.com> Signed-off-by: Sarah Harris <S.E.Harris@kent.ac.uk> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Aleksandar Markovic <aleksandar.m.mail@gmail.com> Acked-by: Igor Mammedov <imammedo@redhat.com> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <huth@tuxfamily.org> Message-Id: <20200705140315.260514-6-huth@tuxfamily.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/*
|
|
* QEMU AVR CPU
|
|
*
|
|
* Copyright (c) 2016-2020 Michael Rolnik
|
|
*
|
|
* 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 "qemu/osdep.h"
|
|
#include "cpu.h"
|
|
#include "migration/cpu.h"
|
|
|
|
static int get_sreg(QEMUFile *f, void *opaque, size_t size,
|
|
const VMStateField *field)
|
|
{
|
|
CPUAVRState *env = opaque;
|
|
uint8_t sreg;
|
|
|
|
sreg = qemu_get_byte(f);
|
|
cpu_set_sreg(env, sreg);
|
|
return 0;
|
|
}
|
|
|
|
static int put_sreg(QEMUFile *f, void *opaque, size_t size,
|
|
const VMStateField *field, QJSON *vmdesc)
|
|
{
|
|
CPUAVRState *env = opaque;
|
|
uint8_t sreg = cpu_get_sreg(env);
|
|
|
|
qemu_put_byte(f, sreg);
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateInfo vms_sreg = {
|
|
.name = "sreg",
|
|
.get = get_sreg,
|
|
.put = put_sreg,
|
|
};
|
|
|
|
static int get_segment(QEMUFile *f, void *opaque, size_t size,
|
|
const VMStateField *field)
|
|
{
|
|
uint32_t *ramp = opaque;
|
|
uint8_t temp;
|
|
|
|
temp = qemu_get_byte(f);
|
|
*ramp = ((uint32_t)temp) << 16;
|
|
return 0;
|
|
}
|
|
|
|
static int put_segment(QEMUFile *f, void *opaque, size_t size,
|
|
const VMStateField *field, QJSON *vmdesc)
|
|
{
|
|
uint32_t *ramp = opaque;
|
|
uint8_t temp = *ramp >> 16;
|
|
|
|
qemu_put_byte(f, temp);
|
|
return 0;
|
|
}
|
|
|
|
static const VMStateInfo vms_rampD = {
|
|
.name = "rampD",
|
|
.get = get_segment,
|
|
.put = put_segment,
|
|
};
|
|
static const VMStateInfo vms_rampX = {
|
|
.name = "rampX",
|
|
.get = get_segment,
|
|
.put = put_segment,
|
|
};
|
|
static const VMStateInfo vms_rampY = {
|
|
.name = "rampY",
|
|
.get = get_segment,
|
|
.put = put_segment,
|
|
};
|
|
static const VMStateInfo vms_rampZ = {
|
|
.name = "rampZ",
|
|
.get = get_segment,
|
|
.put = put_segment,
|
|
};
|
|
static const VMStateInfo vms_eind = {
|
|
.name = "eind",
|
|
.get = get_segment,
|
|
.put = put_segment,
|
|
};
|
|
|
|
const VMStateDescription vms_avr_cpu = {
|
|
.name = "cpu",
|
|
.version_id = 0,
|
|
.minimum_version_id = 0,
|
|
.fields = (VMStateField[]) {
|
|
VMSTATE_UINT32(env.pc_w, AVRCPU),
|
|
VMSTATE_UINT32(env.sp, AVRCPU),
|
|
VMSTATE_UINT32(env.skip, AVRCPU),
|
|
|
|
VMSTATE_UINT32_ARRAY(env.r, AVRCPU, NUMBER_OF_CPU_REGISTERS),
|
|
|
|
VMSTATE_SINGLE(env, AVRCPU, 0, vms_sreg, CPUAVRState),
|
|
VMSTATE_SINGLE(env.rampD, AVRCPU, 0, vms_rampD, uint32_t),
|
|
VMSTATE_SINGLE(env.rampX, AVRCPU, 0, vms_rampX, uint32_t),
|
|
VMSTATE_SINGLE(env.rampY, AVRCPU, 0, vms_rampY, uint32_t),
|
|
VMSTATE_SINGLE(env.rampZ, AVRCPU, 0, vms_rampZ, uint32_t),
|
|
VMSTATE_SINGLE(env.eind, AVRCPU, 0, vms_eind, uint32_t),
|
|
|
|
VMSTATE_END_OF_LIST()
|
|
}
|
|
};
|