#include <vector>
#include "base/inifile.hh"
-#include "base/str.hh" // for to_number
#include "base/trace.hh"
#include "config/the_isa.hh"
+#include "debug/Uart.hh"
#include "dev/platform.hh"
#include "dev/terminal.hh"
#include "dev/uart8250.hh"
DPRINTF(Uart, "UART InterEvent, interrupting\n");
uart->platform->postConsoleInt();
uart->status |= intrBit;
- uart->lastTxInt = curTick;
+ uart->lastTxInt = curTick();
}
else
DPRINTF(Uart, "UART InterEvent, not interrupting\n");
void
Uart8250::IntrEvent::scheduleIntr()
{
- static const Tick interval = (Tick)((Clock::Float::s / 2e9) * 450);
+ static const Tick interval = 225 * SimClock::Int::ns;
DPRINTF(Uart, "Scheduling IER interrupt for %#x, at cycle %lld\n", intrBit,
- curTick + interval);
+ curTick() + interval);
if (!scheduled())
- uart->schedule(this, curTick + interval);
+ uart->schedule(this, curTick() + interval);
else
- uart->reschedule(this, curTick + interval);
+ uart->reschedule(this, curTick() + interval);
}
Uart8250::Uart8250(const Params *p)
- : Uart(p), IER(0), DLAB(0), LCR(0), MCR(0), lastTxInt(0),
+ : Uart(p, 8), IER(0), DLAB(0), LCR(0), MCR(0), lastTxInt(0),
txIntrEvent(this, TX_INT), rxIntrEvent(this, RX_INT)
{
- pioSize = 8;
}
Tick
assert(pkt->getSize() == 1);
Addr daddr = pkt->getAddr() - pioAddr;
- pkt->allocate();
DPRINTF(Uart, " read register %#x\n", daddr);
pkt->set(LCR);
break;
case 0x4: // Modem Control Register (MCR)
+ pkt->set(MCR);
break;
case 0x5: // Line Status Register (LSR)
uint8_t lsr;
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 * SimClock::Int::ns) {
DPRINTF(Uart, "-- Interrupting Immediately... %d,%d\n",
- curTick, lastTxInt);
+ curTick(), lastTxInt);
txIntrEvent.process();
} else {
DPRINTF(Uart, "-- Delaying interrupt... %d,%d\n",
- curTick, lastTxInt);
+ curTick(), lastTxInt);
txIntrEvent.scheduleIntr();
}
}
}
-void
-Uart8250::addressRanges(AddrRangeList &range_list)
+AddrRangeList
+Uart8250::getAddrRanges() const
{
- assert(pioSize != 0);
- range_list.clear();
- range_list.push_back(RangeSize(pioAddr, pioSize));
+ AddrRangeList ranges;
+ ranges.push_back(RangeSize(pioAddr, pioSize));
+ return ranges;
}
-
-
void
Uart8250::serialize(ostream &os)
{