@@ -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;
}
There is a special timer in the mac99 machine that we recently started to emulate. Unfortunately we emulated it in the wrong frequency. This patch adapts the frequency Mac OS X uses to evaluate results from this timer, making calculations it bases off of it work. Signed-off-by: Alexander Graf <agraf@suse.de> --- hw/misc/macio/macio.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)