This is in preparation for moving NeXTRTC to its own separate device.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
hw/m68k/next-cube.c | 25 +++++++++++++++++++++----
1 file changed, 21 insertions(+), 4 deletions(-)
diff --git a/hw/m68k/next-cube.c b/hw/m68k/next-cube.c
index bca975065f..2a2e970830 100644
--- a/hw/m68k/next-cube.c
+++ b/hw/m68k/next-cube.c
@@ -240,10 +240,13 @@ static void next_scr2_rtc_update(NeXTPC *s)
((scr2_2 & SCR2_RTDATA) ? 1 : 0);
} else {
/* Shift out value to read */
+ qemu_irq rtc_data_in_irq = qdev_get_gpio_in_named(
+ DEVICE(s), "pc-rtc-data-in", 0);
+
if (rtc->retval & (0x80 >> (rtc->phase - 8))) {
- scr2_2 |= SCR2_RTDATA;
+ qemu_irq_raise(rtc_data_in_irq);
} else {
- scr2_2 &= ~SCR2_RTDATA;
+ qemu_irq_lower(rtc_data_in_irq);
}
}
}
@@ -270,8 +273,6 @@ static void next_scr2_rtc_update(NeXTPC *s)
rtc->command = 0;
rtc->value = 0;
}
-
- s->scr2 = deposit32(s->scr2, 8, 8, scr2_2);
}
static uint64_t next_mmio_read(void *opaque, hwaddr addr, unsigned size)
@@ -1001,6 +1002,20 @@ static const MemoryRegionOps next_dummy_en_ops = {
.endianness = DEVICE_BIG_ENDIAN,
};
+static void next_pc_rtc_data_in_irq(void *opaque, int n, int level)
+{
+ NeXTPC *s = NEXT_PC(opaque);
+ uint8_t scr2_2 = extract32(s->scr2, 8, 8);
+
+ if (level) {
+ scr2_2 |= SCR2_RTDATA;
+ } else {
+ scr2_2 &= ~SCR2_RTDATA;
+ }
+
+ s->scr2 = deposit32(s->scr2, 8, 8, scr2_2);
+}
+
static void next_pc_reset_hold(Object *obj, ResetType type)
{
NeXTPC *s = NEXT_PC(obj);
@@ -1087,6 +1102,8 @@ static void next_pc_init(Object *obj)
sysbus_init_mmio(sbd, &s->timer_mem);
s->rtc_power_irq = qdev_get_gpio_in(DEVICE(obj), NEXT_PWR_I);
+ qdev_init_gpio_in_named(DEVICE(obj), next_pc_rtc_data_in_irq,
+ "pc-rtc-data-in", 1);
}
/*
--
2.39.5