81d5ffe7de
some sundry problems with new interface
dev/alpha_console.cc:
dev/alpha_console.hh:
dev/baddev.cc:
dev/baddev.hh:
dev/pciconfigall.cc:
dev/pciconfigall.hh:
dev/pcidev.cc:
dev/pcidev.hh:
dev/tsunami_cchip.cc:
dev/tsunami_cchip.hh:
dev/tsunami_io.cc:
dev/tsunami_io.hh:
dev/tsunami_pchip.cc:
dev/tsunami_pchip.hh:
dev/tsunami_uart.cc:
dev/tsunami_uart.hh:
Fixed to use new FunctionalMemory interface
--HG--
extra : convert_revision : bee98e6285d92f28fafacf919ab06eaf333a9b56
141 lines
4 KiB
C++
141 lines
4 KiB
C++
/*
|
|
* Copyright (c) 2003 The Regents of The University of Michigan
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met: redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer;
|
|
* redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution;
|
|
* neither the name of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/* @file
|
|
* Tsunami Fake I/O Space mapping including RTC/timer interrupts
|
|
*/
|
|
|
|
#ifndef __TSUNAMI_DMA_HH__
|
|
#define __TSUNAMI_DMA_HH__
|
|
|
|
#define RTC_RATE 1024
|
|
|
|
#include "mem/functional_mem/functional_memory.hh"
|
|
#include "dev/tsunami.hh"
|
|
|
|
/*
|
|
* Tsunami I/O device
|
|
*/
|
|
class TsunamiIO : public FunctionalMemory
|
|
{
|
|
private:
|
|
Addr addr;
|
|
static const Addr size = 0xff;
|
|
|
|
struct tm tm;
|
|
|
|
// In Tsunami RTC only has two i/o ports
|
|
// one for data and one for address, so you
|
|
// write the address and then read/write the data
|
|
uint8_t RTCAddress;
|
|
|
|
protected:
|
|
|
|
class ClockEvent : public Event
|
|
{
|
|
protected:
|
|
Tick interval;
|
|
uint8_t mode;
|
|
uint8_t status;
|
|
|
|
public:
|
|
ClockEvent();
|
|
|
|
virtual void process();
|
|
virtual const char *description();
|
|
void Program(int count);
|
|
void ChangeMode(uint8_t mode);
|
|
uint8_t Status();
|
|
|
|
};
|
|
|
|
class RTCEvent : public Event
|
|
{
|
|
protected:
|
|
Tsunami* tsunami;
|
|
public:
|
|
RTCEvent(Tsunami* t);
|
|
|
|
virtual void process();
|
|
virtual const char *description();
|
|
};
|
|
|
|
uint8_t uip;
|
|
|
|
uint8_t mask1;
|
|
uint8_t mask2;
|
|
uint8_t mode1;
|
|
uint8_t mode2;
|
|
|
|
uint8_t picr; //Raw PIC interrput register, before masking
|
|
bool picInterrupting;
|
|
|
|
Tsunami *tsunami;
|
|
|
|
/*
|
|
* This timer is initilized, but after I wrote the code
|
|
* it doesn't seem to be used again, and best I can tell
|
|
* it too is not connected to any interrupt port
|
|
*/
|
|
ClockEvent timer0;
|
|
|
|
/*
|
|
* This timer is used to control the speaker, which
|
|
* we normally could care less about, however it is
|
|
* also used to calculated the clockspeed and hense
|
|
* bogomips which is kinda important to the scheduler
|
|
* so we need to implemnt it although after boot I can't
|
|
* imagine we would be playing with the PC speaker much
|
|
*/
|
|
ClockEvent timer2;
|
|
|
|
RTCEvent rtc;
|
|
|
|
uint32_t timerData;
|
|
|
|
|
|
public:
|
|
uint32_t frequency() const { return RTC_RATE; }
|
|
|
|
TsunamiIO(const std::string &name, Tsunami *t, time_t init_time,
|
|
Addr a, MemoryController *mmu);
|
|
|
|
void set_time(time_t t);
|
|
|
|
virtual Fault read(MemReqPtr &req, uint8_t *data);
|
|
virtual Fault write(MemReqPtr &req, const uint8_t *data);
|
|
|
|
void postPIC(uint8_t bitvector);
|
|
void clearPIC(uint8_t bitvector);
|
|
|
|
virtual void serialize(std::ostream &os);
|
|
virtual void unserialize(Checkpoint *cp, const std::string §ion);
|
|
};
|
|
|
|
#endif // __TSUNAMI_IO_HH__
|