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-rw-r--r--hw/misc/macio/macio.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index 47f45f5d2c..35eaa00dce 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -243,13 +243,18 @@ static void timer_write(void *opaque, hwaddr addr, uint64_t value,
static uint64_t timer_read(void *opaque, hwaddr addr, unsigned size)
{
uint32_t value = 0;
+ uint64_t systime = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ uint64_t kltime;
+
+ kltime = muldiv64(systime, 4194300, get_ticks_per_sec() * 4);
+ kltime = muldiv64(kltime, 18432000, 1048575);
switch (addr) {
case 0x38:
- value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+ value = kltime;
break;
case 0x3c:
- value = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 32;
+ value = kltime >> 32;
break;
}