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hw/misc: Convert TYPE_MOS6522 subclasses to 3-phase reset 

Convert the various subclasses of TYPE_MOS6522 to 3-phase reset.
This removes some uses of device_class_set_parent_reset(), which we
would eventually like to be able to get rid of.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20221110143459.3833425-3-peter.maydell@linaro.org
master
Peter Maydell 2022-11-10 14:34:59 +00:00
parent 8bdaed0f30
commit ed053e8997
4 changed files with 33 additions and 23 deletions
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26
hw/misc/mac_via.c
View File

@ -975,14 +975,16 @@ static int via1_post_load(void *opaque, int version_id)
}
/* VIA 1 */
static void mos6522_q800_via1_reset(DeviceState *dev)
static void mos6522_q800_via1_reset_hold(Object *obj)
{
MOS6522Q800VIA1State *v1s = MOS6522_Q800_VIA1(dev);
MOS6522Q800VIA1State *v1s = MOS6522_Q800_VIA1(obj);
MOS6522State *ms = MOS6522(v1s);
MOS6522DeviceClass *mdc = MOS6522_GET_CLASS(ms);
ADBBusState *adb_bus = &v1s->adb_bus;
mdc->parent_reset(dev);
if (mdc->parent_phases.hold) {
mdc->parent_phases.hold(obj);
}
ms->timers[0].frequency = VIA_TIMER_FREQ;
ms->timers[1].frequency = VIA_TIMER_FREQ;
@ -1097,11 +1099,12 @@ static Property mos6522_q800_via1_properties[] = {
static void mos6522_q800_via1_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
ResettableClass *rc = RESETTABLE_CLASS(oc);
MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
dc->realize = mos6522_q800_via1_realize;
device_class_set_parent_reset(dc, mos6522_q800_via1_reset,
&mdc->parent_reset);
resettable_class_set_parent_phases(rc, NULL, mos6522_q800_via1_reset_hold,
NULL, &mdc->parent_phases);
dc->vmsd = &vmstate_q800_via1;
device_class_set_props(dc, mos6522_q800_via1_properties);
}
@ -1123,12 +1126,14 @@ static void mos6522_q800_via2_portB_write(MOS6522State *s)
}
}
static void mos6522_q800_via2_reset(DeviceState *dev)
static void mos6522_q800_via2_reset_hold(Object *obj)
{
MOS6522State *ms = MOS6522(dev);
MOS6522State *ms = MOS6522(obj);
MOS6522DeviceClass *mdc = MOS6522_GET_CLASS(ms);
mdc->parent_reset(dev);
if (mdc->parent_phases.hold) {
mdc->parent_phases.hold(obj);
}
ms->timers[0].frequency = VIA_TIMER_FREQ;
ms->timers[1].frequency = VIA_TIMER_FREQ;
@ -1183,10 +1188,11 @@ static const VMStateDescription vmstate_q800_via2 = {
static void mos6522_q800_via2_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
ResettableClass *rc = RESETTABLE_CLASS(oc);
MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
device_class_set_parent_reset(dc, mos6522_q800_via2_reset,
&mdc->parent_reset);
resettable_class_set_parent_phases(rc, NULL, mos6522_q800_via2_reset_hold,
NULL, &mdc->parent_phases);
dc->vmsd = &vmstate_q800_via2;
mdc->portB_write = mos6522_q800_via2_portB_write;
}

14
hw/misc/macio/cuda.c
View File

@ -589,12 +589,14 @@ static void mos6522_cuda_portB_write(MOS6522State *s)
cuda_update(cs);
}
static void mos6522_cuda_reset(DeviceState *dev)
static void mos6522_cuda_reset_hold(Object *obj)
{
MOS6522State *ms = MOS6522(dev);
MOS6522State *ms = MOS6522(obj);
MOS6522DeviceClass *mdc = MOS6522_GET_CLASS(ms);
mdc->parent_reset(dev);
if (mdc->parent_phases.hold) {
mdc->parent_phases.hold(obj);
}
ms->timers[0].frequency = CUDA_TIMER_FREQ;
ms->timers[1].frequency = (SCALE_US * 6000) / 4700;
@ -602,11 +604,11 @@ static void mos6522_cuda_reset(DeviceState *dev)
static void mos6522_cuda_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
ResettableClass *rc = RESETTABLE_CLASS(oc);
MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
device_class_set_parent_reset(dc, mos6522_cuda_reset,
&mdc->parent_reset);
resettable_class_set_parent_phases(rc, NULL, mos6522_cuda_reset_hold,
NULL, &mdc->parent_phases);
mdc->portB_write = mos6522_cuda_portB_write;
mdc->get_timer1_counter_value = cuda_get_counter_value;
mdc->get_timer2_counter_value = cuda_get_counter_value;

14
hw/misc/macio/pmu.c
View File

@ -797,14 +797,16 @@ static void mos6522_pmu_portB_write(MOS6522State *s)
pmu_update(ps);
}
static void mos6522_pmu_reset(DeviceState *dev)
static void mos6522_pmu_reset_hold(Object *obj)
{
MOS6522State *ms = MOS6522(dev);
MOS6522State *ms = MOS6522(obj);
MOS6522PMUState *mps = container_of(ms, MOS6522PMUState, parent_obj);
PMUState *s = container_of(mps, PMUState, mos6522_pmu);
MOS6522DeviceClass *mdc = MOS6522_GET_CLASS(ms);
mdc->parent_reset(dev);
if (mdc->parent_phases.hold) {
mdc->parent_phases.hold(obj);
}
ms->timers[0].frequency = VIA_TIMER_FREQ;
ms->timers[1].frequency = (SCALE_US * 6000) / 4700;
@ -814,11 +816,11 @@ static void mos6522_pmu_reset(DeviceState *dev)
static void mos6522_pmu_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
ResettableClass *rc = RESETTABLE_CLASS(oc);
MOS6522DeviceClass *mdc = MOS6522_CLASS(oc);
device_class_set_parent_reset(dc, mos6522_pmu_reset,
&mdc->parent_reset);
resettable_class_set_parent_phases(rc, NULL, mos6522_pmu_reset_hold,
NULL, &mdc->parent_phases);
mdc->portB_write = mos6522_pmu_portB_write;
}

2
include/hw/misc/mos6522.h
View File

@ -157,7 +157,7 @@ OBJECT_DECLARE_TYPE(MOS6522State, MOS6522DeviceClass, MOS6522)
struct MOS6522DeviceClass {
DeviceClass parent_class;
DeviceReset parent_reset;
ResettablePhases parent_phases;
void (*portB_write)(MOS6522State *dev);
void (*portA_write)(MOS6522State *dev);
/* These are used to influence the CUDA MacOS timebase calibration */