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macio/pmu.c: remove redundant code

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Now that the logic related to edge-triggered interrupts is all contained within
the mos6522 device the redundant implementation for the mac99 PMU device can
be removed.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220305150957.5053-13-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2022-03-05 15:09:57 +00:00
parent b793b4ef8c
commit a4c7be3736
2 changed files with 0 additions and 35 deletions
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33
hw/misc/macio/pmu.c
View File

@ -57,19 +57,6 @@
#define VIA_TIMER_FREQ (4700000 / 6)
static void via_update_irq(PMUState *s)
{
MOS6522PMUState *mps = MOS6522_PMU(&s->mos6522_pmu);
MOS6522State *ms = MOS6522(mps);
bool new_state = !!(ms->ifr & ms->ier & (SR_INT | T1_INT | T2_INT));
if (new_state != s->via_irq_state) {
s->via_irq_state = new_state;
qemu_set_irq(s->via_irq, new_state);
}
}
static void via_set_sr_int(void *opaque)
{
PMUState *s = opaque;
@ -808,28 +795,9 @@ static void mos6522_pmu_portB_write(MOS6522State *s)
MOS6522PMUState *mps = container_of(s, MOS6522PMUState, parent_obj);
PMUState *ps = container_of(mps, PMUState, mos6522_pmu);
if ((s->pcr & 0xe0) == 0x20 || (s->pcr & 0xe0) == 0x60) {
s->ifr &= ~CB2_INT;
}
s->ifr &= ~CB1_INT;
via_update_irq(ps);
pmu_update(ps);
}
static void mos6522_pmu_portA_write(MOS6522State *s)
{
MOS6522PMUState *mps = container_of(s, MOS6522PMUState, parent_obj);
PMUState *ps = container_of(mps, PMUState, mos6522_pmu);
if ((s->pcr & 0x0e) == 0x02 || (s->pcr & 0x0e) == 0x06) {
s->ifr &= ~CA2_INT;
}
s->ifr &= ~CA1_INT;
via_update_irq(ps);
}
static void mos6522_pmu_reset(DeviceState *dev)
{
MOS6522State *ms = MOS6522(dev);
@ -853,7 +821,6 @@ static void mos6522_pmu_class_init(ObjectClass *oc, void *data)
device_class_set_parent_reset(dc, mos6522_pmu_reset,
&mdc->parent_reset);
mdc->portB_write = mos6522_pmu_portB_write;
mdc->portA_write = mos6522_pmu_portA_write;
}
static const TypeInfo mos6522_pmu_type_info = {

2
include/hw/misc/macio/pmu.h
View File

@ -193,8 +193,6 @@ struct PMUState {
MemoryRegion mem;
uint64_t frequency;
qemu_irq via_irq;
bool via_irq_state;
/* PMU state */
MOS6522PMUState mos6522_pmu;