diff options
| author | Nathan Binkert <nate@binkert.org> | 2010-02-28 19:28:09 -0800 |
|---|---|---|
| committer | Nathan Binkert <nate@binkert.org> | 2010-02-28 19:28:09 -0800 |
| commit | ebdd004eb28b684fd8f41f71954127ecb347704c (patch) | |
| tree | 16bbdacae4902f07a0b39e54e28bb7c3dddb4d4c | |
| parent | b1cbd7841acad5fdcd88c2e644b454e95190eb7e (diff) | |
| download | gem5-ebdd004eb28b684fd8f41f71954127ecb347704c.tar.xz | |
uart: use integer versions of time instead of messing around with floats
| -rw-r--r-- | src/dev/uart8250.cc | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/dev/uart8250.cc b/src/dev/uart8250.cc index e3eacaaa2..f131ab69f 100644 --- a/src/dev/uart8250.cc +++ b/src/dev/uart8250.cc @@ -90,7 +90,7 @@ Uart8250::IntrEvent::process() void Uart8250::IntrEvent::scheduleIntr() { - static const Tick interval = (Tick)((Clock::Float::s / 2e9) * 450); + static const Tick interval = 225 * Clock::Int::ns; DPRINTF(Uart, "Scheduling IER interrupt for %#x, at cycle %lld\n", intrBit, curTick + interval); if (!scheduled()) @@ -217,8 +217,7 @@ Uart8250::write(PacketPtr pkt) if (UART_IER_THRI & IER) { DPRINTF(Uart, "IER: IER_THRI set, scheduling TX intrrupt\n"); - if (curTick - lastTxInt > - (Tick)((Clock::Float::s / 2e9) * 450)) { + if (curTick - lastTxInt > 225 * Clock::Int::ns) { DPRINTF(Uart, "-- Interrupting Immediately... %d,%d\n", curTick, lastTxInt); txIntrEvent.process(); |