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a1517867415abe0705d195bbe4cf62cc7fa03e47
gem5/src/dev/arm/pl111.cc
Andreas Sandberg 76cd4393c0 sim: Refactor the serialization base class 
Objects that are can be serialized are supposed to inherit from the
Serializable class. This class is meant to provide a unified API for
such objects. However, so far it has mainly been used by SimObjects
due to some fundamental design limitations. This changeset redesigns
to the serialization interface to make it more generic and hide the
underlying checkpoint storage. Specifically:

  * Add a set of APIs to serialize into a subsection of the current
    object. Previously, objects that needed this functionality would
    use ad-hoc solutions using nameOut() and section name
    generation. In the new world, an object that implements the
    interface has the methods serializeSection() and
    unserializeSection() that serialize into a named /subsection/ of
    the current object. Calling serialize() serializes an object into
    the current section.

  * Move the name() method from Serializable to SimObject as it is no
    longer needed for serialization. The fully qualified section name
    is generated by the main serialization code on the fly as objects
    serialize sub-objects.

  * Add a scoped ScopedCheckpointSection helper class. Some objects
    need to serialize data structures, that are not deriving from
    Serializable, into subsections. Previously, this was done using
    nameOut() and manual section name generation. To simplify this,
    this changeset introduces a ScopedCheckpointSection() helper
    class. When this class is instantiated, it adds a new /subsection/
    and subsequent serialization calls during the lifetime of this
    helper class happen inside this section (or a subsection in case
    of nested sections).

  * The serialize() call is now const which prevents accidental state
    manipulation during serialization. Objects that rely on modifying
    state can use the serializeOld() call instead. The default
    implementation simply calls serialize(). Note: The old-style calls
    need to be explicitly called using the
    serializeOld()/serializeSectionOld() style APIs. These are used by
    default when serializing SimObjects.

  * Both the input and output checkpoints now use their own named
    types. This hides underlying checkpoint implementation from
    objects that need checkpointing and makes it easier to change the
    underlying checkpoint storage code.
2015-07-07 09:51:03 +01:00

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/*
* Copyright (c) 2010-2012, 2015 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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.
*
* Authors: William Wang
* Ali Saidi
*/
#include "base/vnc/vncinput.hh"
#include "base/output.hh"
#include "base/trace.hh"
#include "debug/PL111.hh"
#include "debug/Uart.hh"
#include "dev/arm/amba_device.hh"
#include "dev/arm/base_gic.hh"
#include "dev/arm/pl111.hh"
#include "mem/packet.hh"
#include "mem/packet_access.hh"
#include "sim/system.hh"
// clang complains about std::set being overloaded with Packet::set if
// we open up the entire namespace std
using std::vector;
// initialize clcd registers
Pl111::Pl111(const Params *p)
: AmbaDmaDevice(p), lcdTiming0(0), lcdTiming1(0), lcdTiming2(0),
lcdTiming3(0), lcdUpbase(0), lcdLpbase(0), lcdControl(0), lcdImsc(0),
lcdRis(0), lcdMis(0),
clcdCrsrCtrl(0), clcdCrsrConfig(0), clcdCrsrPalette0(0),
clcdCrsrPalette1(0), clcdCrsrXY(0), clcdCrsrClip(0), clcdCrsrImsc(0),
clcdCrsrIcr(0), clcdCrsrRis(0), clcdCrsrMis(0),
pixelClock(p->pixel_clock),
converter(PixelConverter::rgba8888_le), fb(LcdMaxWidth, LcdMaxHeight),
vnc(p->vnc), bmp(&fb), pic(NULL),
width(LcdMaxWidth), height(LcdMaxHeight),
bytesPerPixel(4), startTime(0), startAddr(0), maxAddr(0), curAddr(0),
waterMark(0), dmaPendingNum(0), readEvent(this), fillFifoEvent(this),
dmaDoneEventAll(maxOutstandingDma, this),
dmaDoneEventFree(maxOutstandingDma),
intEvent(this), enableCapture(p->enable_capture)
{
pioSize = 0xFFFF;
dmaBuffer = new uint8_t[buffer_size];
memset(lcdPalette, 0, sizeof(lcdPalette));
memset(cursorImage, 0, sizeof(cursorImage));
memset(dmaBuffer, 0, buffer_size);
for (int i = 0; i < maxOutstandingDma; ++i)
dmaDoneEventFree[i] = &dmaDoneEventAll[i];
if (vnc)
vnc->setFrameBuffer(&fb);
}
Pl111::~Pl111()
{
delete[] dmaBuffer;
}
// read registers and frame buffer
Tick
Pl111::read(PacketPtr pkt)
{
// use a temporary data since the LCD registers are read/written with
// different size operations
uint32_t data = 0;
assert(pkt->getAddr() >= pioAddr &&
pkt->getAddr() < pioAddr + pioSize);
Addr daddr = pkt->getAddr() - pioAddr;
DPRINTF(PL111, " read register %#x size=%d\n", daddr, pkt->getSize());
switch (daddr) {
case LcdTiming0:
data = lcdTiming0;
break;
case LcdTiming1:
data = lcdTiming1;
break;
case LcdTiming2:
data = lcdTiming2;
break;
case LcdTiming3:
data = lcdTiming3;
break;
case LcdUpBase:
data = lcdUpbase;
break;
case LcdLpBase:
data = lcdLpbase;
break;
case LcdControl:
data = lcdControl;
break;
case LcdImsc:
data = lcdImsc;
break;
case LcdRis:
data = lcdRis;
break;
case LcdMis:
data = lcdMis;
break;
case LcdIcr:
panic("LCD register at offset %#x is Write-Only\n", daddr);
break;
case LcdUpCurr:
data = curAddr;
break;
case LcdLpCurr:
data = curAddr;
break;
case ClcdCrsrCtrl:
data = clcdCrsrCtrl;
break;
case ClcdCrsrConfig:
data = clcdCrsrConfig;
break;
case ClcdCrsrPalette0:
data = clcdCrsrPalette0;
break;
case ClcdCrsrPalette1:
data = clcdCrsrPalette1;
break;
case ClcdCrsrXY:
data = clcdCrsrXY;
break;
case ClcdCrsrClip:
data = clcdCrsrClip;
break;
case ClcdCrsrImsc:
data = clcdCrsrImsc;
break;
case ClcdCrsrIcr:
panic("CLCD register at offset %#x is Write-Only\n", daddr);
break;
case ClcdCrsrRis:
data = clcdCrsrRis;
break;
case ClcdCrsrMis:
data = clcdCrsrMis;
break;
default:
if (readId(pkt, AMBA_ID, pioAddr)) {
// Hack for variable size accesses
data = pkt->get<uint32_t>();
break;
} else if (daddr >= CrsrImage && daddr <= 0xBFC) {
// CURSOR IMAGE
int index;
index = (daddr - CrsrImage) >> 2;
data= cursorImage[index];
break;
} else if (daddr >= LcdPalette && daddr <= 0x3FC) {
// LCD Palette
int index;
index = (daddr - LcdPalette) >> 2;
data = lcdPalette[index];
break;
} else {
panic("Tried to read CLCD register at offset %#x that "
"doesn't exist\n", daddr);
break;
}
}
switch(pkt->getSize()) {
case 1:
pkt->set<uint8_t>(data);
break;
case 2:
pkt->set<uint16_t>(data);
break;
case 4:
pkt->set<uint32_t>(data);
break;
default:
panic("CLCD controller read size too big?\n");
break;
}
pkt->makeAtomicResponse();
return pioDelay;
}
// write registers and frame buffer
Tick
Pl111::write(PacketPtr pkt)
{
// use a temporary data since the LCD registers are read/written with
// different size operations
//
uint32_t data = 0;
switch(pkt->getSize()) {
case 1:
data = pkt->get<uint8_t>();
break;
case 2:
data = pkt->get<uint16_t>();
break;
case 4:
data = pkt->get<uint32_t>();
break;
default:
panic("PL111 CLCD controller write size too big?\n");
break;
}
assert(pkt->getAddr() >= pioAddr &&
pkt->getAddr() < pioAddr + pioSize);
Addr daddr = pkt->getAddr() - pioAddr;
DPRINTF(PL111, " write register %#x value %#x size=%d\n", daddr,
pkt->get<uint8_t>(), pkt->getSize());
switch (daddr) {
case LcdTiming0:
lcdTiming0 = data;
// width = 16 * (PPL+1)
width = (lcdTiming0.ppl + 1) << 4;
break;
case LcdTiming1:
lcdTiming1 = data;
// height = LPP + 1
height = (lcdTiming1.lpp) + 1;
break;
case LcdTiming2:
lcdTiming2 = data;
break;
case LcdTiming3:
lcdTiming3 = data;
break;
case LcdUpBase:
lcdUpbase = data;
DPRINTF(PL111, "####### Upper panel base set to: %#x #######\n", lcdUpbase);
break;
case LcdLpBase:
warn_once("LCD dual screen mode not supported\n");
lcdLpbase = data;
DPRINTF(PL111, "###### Lower panel base set to: %#x #######\n", lcdLpbase);
break;
case LcdControl:
int old_lcdpwr;
old_lcdpwr = lcdControl.lcdpwr;
lcdControl = data;
DPRINTF(PL111, "LCD power is:%d\n", lcdControl.lcdpwr);
// LCD power enable
if (lcdControl.lcdpwr && !old_lcdpwr) {
updateVideoParams();
DPRINTF(PL111, " lcd size: height %d width %d\n", height, width);
waterMark = lcdControl.watermark ? 8 : 4;
startDma();
}
break;
case LcdImsc:
lcdImsc = data;
if (lcdImsc.vcomp)
panic("Interrupting on vcomp not supported\n");
lcdMis = lcdImsc & lcdRis;
if (!lcdMis)
gic->clearInt(intNum);
break;
case LcdRis:
panic("LCD register at offset %#x is Read-Only\n", daddr);
break;
case LcdMis:
panic("LCD register at offset %#x is Read-Only\n", daddr);
break;
case LcdIcr:
lcdRis = lcdRis & ~data;
lcdMis = lcdImsc & lcdRis;
if (!lcdMis)
gic->clearInt(intNum);
break;
case LcdUpCurr:
panic("LCD register at offset %#x is Read-Only\n", daddr);
break;
case LcdLpCurr:
panic("LCD register at offset %#x is Read-Only\n", daddr);
break;
case ClcdCrsrCtrl:
clcdCrsrCtrl = data;
break;
case ClcdCrsrConfig:
clcdCrsrConfig = data;
break;
case ClcdCrsrPalette0:
clcdCrsrPalette0 = data;
break;
case ClcdCrsrPalette1:
clcdCrsrPalette1 = data;
break;
case ClcdCrsrXY:
clcdCrsrXY = data;
break;
case ClcdCrsrClip:
clcdCrsrClip = data;
break;
case ClcdCrsrImsc:
clcdCrsrImsc = data;
break;
case ClcdCrsrIcr:
clcdCrsrIcr = data;
break;
case ClcdCrsrRis:
panic("CLCD register at offset %#x is Read-Only\n", daddr);
break;
case ClcdCrsrMis:
panic("CLCD register at offset %#x is Read-Only\n", daddr);
break;
default:
if (daddr >= CrsrImage && daddr <= 0xBFC) {
// CURSOR IMAGE
int index;
index = (daddr - CrsrImage) >> 2;
cursorImage[index] = data;
break;
} else if (daddr >= LcdPalette && daddr <= 0x3FC) {
// LCD Palette
int index;
index = (daddr - LcdPalette) >> 2;
lcdPalette[index] = data;
break;
} else {
panic("Tried to write PL111 register at offset %#x that "
"doesn't exist\n", daddr);
break;
}
}
pkt->makeAtomicResponse();
return pioDelay;
}
PixelConverter
Pl111::pixelConverter() const
{
unsigned rw, gw, bw;
unsigned offsets[3];
switch (lcdControl.lcdbpp) {
case bpp24:
rw = gw = bw = 8;
offsets[0] = 0;
offsets[1] = 8;
offsets[2] = 16;
break;
case bpp16m565:
rw = 5;
gw = 6;
bw = 5;
offsets[0] = 0;
offsets[1] = 5;
offsets[2] = 11;
break;
default:
panic("Unimplemented video mode\n");
}
if (lcdControl.bgr) {
return PixelConverter(
bytesPerPixel,
offsets[2], offsets[1], offsets[0],
rw, gw, bw,
LittleEndianByteOrder);
} else {
return PixelConverter(
bytesPerPixel,
offsets[0], offsets[1], offsets[2],
rw, gw, bw,
LittleEndianByteOrder);
}
}
void
Pl111::updateVideoParams()
{
if (lcdControl.lcdbpp == bpp24) {
bytesPerPixel = 4;
} else if (lcdControl.lcdbpp == bpp16m565) {
bytesPerPixel = 2;
}
fb.resize(width, height);
converter = pixelConverter();
// Workaround configuration bugs where multiple display
// controllers are attached to the same VNC server by reattaching
// enabled devices. This isn't ideal, but works as long as only
// one display controller is active at a time.
if (lcdControl.lcdpwr && vnc)
vnc->setFrameBuffer(&fb);
}
void
Pl111::startDma()
{
if (dmaPendingNum != 0 || readEvent.scheduled())
return;
readFramebuffer();
}
void
Pl111::readFramebuffer()
{
// initialization for dma read from frame buffer to dma buffer
uint32_t length = height * width;
if (startAddr != lcdUpbase)
startAddr = lcdUpbase;
// Updating base address, interrupt if we're supposed to
lcdRis.baseaddr = 1;
if (!intEvent.scheduled())
schedule(intEvent, clockEdge());
curAddr = 0;
startTime = curTick();
maxAddr = static_cast<Addr>(length * bytesPerPixel);
DPRINTF(PL111, " lcd frame buffer size of %d bytes \n", maxAddr);
fillFifo();
}
void
Pl111::fillFifo()
{
while ((dmaPendingNum < maxOutstandingDma) && (maxAddr >= curAddr + dmaSize )) {
// concurrent dma reads need different dma done events
// due to assertion in scheduling state
++dmaPendingNum;
assert(!dmaDoneEventFree.empty());
DmaDoneEvent *event(dmaDoneEventFree.back());
dmaDoneEventFree.pop_back();
assert(!event->scheduled());
// We use a uncachable request here because the requests from the CPU
// will be uncacheable as well. If we have uncacheable and cacheable
// requests in the memory system for the same address it won't be
// pleased
dmaPort.dmaAction(MemCmd::ReadReq, curAddr + startAddr, dmaSize,
event, curAddr + dmaBuffer,
0, Request::UNCACHEABLE);
curAddr += dmaSize;
}
}
void
Pl111::dmaDone()
{
DPRINTF(PL111, "DMA Done\n");
Tick maxFrameTime = lcdTiming2.cpl * height * pixelClock;
--dmaPendingNum;
if (maxAddr == curAddr && !dmaPendingNum) {
if ((curTick() - startTime) > maxFrameTime) {
warn("CLCD controller buffer underrun, took %d ticks when should"
" have taken %d\n", curTick() - startTime, maxFrameTime);
lcdRis.underflow = 1;
if (!intEvent.scheduled())
schedule(intEvent, clockEdge());
}
assert(!readEvent.scheduled());
fb.copyIn(dmaBuffer, converter);
if (vnc)
vnc->setDirty();
if (enableCapture) {
DPRINTF(PL111, "-- write out frame buffer into bmp\n");
if (!pic)
pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
assert(pic);
pic->seekp(0);
bmp.write(*pic);
}
// schedule the next read based on when the last frame started
// and the desired fps (i.e. maxFrameTime), we turn the
// argument into a relative number of cycles in the future
if (lcdControl.lcden)
schedule(readEvent, clockEdge(ticksToCycles(startTime -
curTick() +
maxFrameTime)));
}
if (dmaPendingNum > (maxOutstandingDma - waterMark))
return;
if (!fillFifoEvent.scheduled())
schedule(fillFifoEvent, clockEdge());
}
void
Pl111::serialize(CheckpointOut &cp) const
{
DPRINTF(PL111, "Serializing ARM PL111\n");
uint32_t lcdTiming0_serial = lcdTiming0;
SERIALIZE_SCALAR(lcdTiming0_serial);
uint32_t lcdTiming1_serial = lcdTiming1;
SERIALIZE_SCALAR(lcdTiming1_serial);
uint32_t lcdTiming2_serial = lcdTiming2;
SERIALIZE_SCALAR(lcdTiming2_serial);
uint32_t lcdTiming3_serial = lcdTiming3;
SERIALIZE_SCALAR(lcdTiming3_serial);
SERIALIZE_SCALAR(lcdUpbase);
SERIALIZE_SCALAR(lcdLpbase);
uint32_t lcdControl_serial = lcdControl;
SERIALIZE_SCALAR(lcdControl_serial);
uint8_t lcdImsc_serial = lcdImsc;
SERIALIZE_SCALAR(lcdImsc_serial);
uint8_t lcdRis_serial = lcdRis;
SERIALIZE_SCALAR(lcdRis_serial);
uint8_t lcdMis_serial = lcdMis;
SERIALIZE_SCALAR(lcdMis_serial);
SERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
SERIALIZE_ARRAY(cursorImage, CrsrImageSize);
SERIALIZE_SCALAR(clcdCrsrCtrl);
SERIALIZE_SCALAR(clcdCrsrConfig);
SERIALIZE_SCALAR(clcdCrsrPalette0);
SERIALIZE_SCALAR(clcdCrsrPalette1);
SERIALIZE_SCALAR(clcdCrsrXY);
SERIALIZE_SCALAR(clcdCrsrClip);
uint8_t clcdCrsrImsc_serial = clcdCrsrImsc;
SERIALIZE_SCALAR(clcdCrsrImsc_serial);
uint8_t clcdCrsrIcr_serial = clcdCrsrIcr;
SERIALIZE_SCALAR(clcdCrsrIcr_serial);
uint8_t clcdCrsrRis_serial = clcdCrsrRis;
SERIALIZE_SCALAR(clcdCrsrRis_serial);
uint8_t clcdCrsrMis_serial = clcdCrsrMis;
SERIALIZE_SCALAR(clcdCrsrMis_serial);
SERIALIZE_SCALAR(height);
SERIALIZE_SCALAR(width);
SERIALIZE_SCALAR(bytesPerPixel);
SERIALIZE_ARRAY(dmaBuffer, buffer_size);
SERIALIZE_SCALAR(startTime);
SERIALIZE_SCALAR(startAddr);
SERIALIZE_SCALAR(maxAddr);
SERIALIZE_SCALAR(curAddr);
SERIALIZE_SCALAR(waterMark);
SERIALIZE_SCALAR(dmaPendingNum);
Tick int_event_time = 0;
Tick read_event_time = 0;
Tick fill_fifo_event_time = 0;
if (readEvent.scheduled())
read_event_time = readEvent.when();
if (fillFifoEvent.scheduled())
fill_fifo_event_time = fillFifoEvent.when();
if (intEvent.scheduled())
int_event_time = intEvent.when();
SERIALIZE_SCALAR(read_event_time);
SERIALIZE_SCALAR(fill_fifo_event_time);
SERIALIZE_SCALAR(int_event_time);
vector<Tick> dma_done_event_tick;
dma_done_event_tick.resize(maxOutstandingDma);
for (int x = 0; x < maxOutstandingDma; x++) {
dma_done_event_tick[x] = dmaDoneEventAll[x].scheduled() ?
dmaDoneEventAll[x].when() : 0;
}
SERIALIZE_CONTAINER(dma_done_event_tick);
}
void
Pl111::unserialize(CheckpointIn &cp)
{
DPRINTF(PL111, "Unserializing ARM PL111\n");
uint32_t lcdTiming0_serial;
UNSERIALIZE_SCALAR(lcdTiming0_serial);
lcdTiming0 = lcdTiming0_serial;
uint32_t lcdTiming1_serial;
UNSERIALIZE_SCALAR(lcdTiming1_serial);
lcdTiming1 = lcdTiming1_serial;
uint32_t lcdTiming2_serial;
UNSERIALIZE_SCALAR(lcdTiming2_serial);
lcdTiming2 = lcdTiming2_serial;
uint32_t lcdTiming3_serial;
UNSERIALIZE_SCALAR(lcdTiming3_serial);
lcdTiming3 = lcdTiming3_serial;
UNSERIALIZE_SCALAR(lcdUpbase);
UNSERIALIZE_SCALAR(lcdLpbase);
uint32_t lcdControl_serial;
UNSERIALIZE_SCALAR(lcdControl_serial);
lcdControl = lcdControl_serial;
uint8_t lcdImsc_serial;
UNSERIALIZE_SCALAR(lcdImsc_serial);
lcdImsc = lcdImsc_serial;
uint8_t lcdRis_serial;
UNSERIALIZE_SCALAR(lcdRis_serial);
lcdRis = lcdRis_serial;
uint8_t lcdMis_serial;
UNSERIALIZE_SCALAR(lcdMis_serial);
lcdMis = lcdMis_serial;
UNSERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
UNSERIALIZE_ARRAY(cursorImage, CrsrImageSize);
UNSERIALIZE_SCALAR(clcdCrsrCtrl);
UNSERIALIZE_SCALAR(clcdCrsrConfig);
UNSERIALIZE_SCALAR(clcdCrsrPalette0);
UNSERIALIZE_SCALAR(clcdCrsrPalette1);
UNSERIALIZE_SCALAR(clcdCrsrXY);
UNSERIALIZE_SCALAR(clcdCrsrClip);
uint8_t clcdCrsrImsc_serial;
UNSERIALIZE_SCALAR(clcdCrsrImsc_serial);
clcdCrsrImsc = clcdCrsrImsc_serial;
uint8_t clcdCrsrIcr_serial;
UNSERIALIZE_SCALAR(clcdCrsrIcr_serial);
clcdCrsrIcr = clcdCrsrIcr_serial;
uint8_t clcdCrsrRis_serial;
UNSERIALIZE_SCALAR(clcdCrsrRis_serial);
clcdCrsrRis = clcdCrsrRis_serial;
uint8_t clcdCrsrMis_serial;
UNSERIALIZE_SCALAR(clcdCrsrMis_serial);
clcdCrsrMis = clcdCrsrMis_serial;
UNSERIALIZE_SCALAR(height);
UNSERIALIZE_SCALAR(width);
UNSERIALIZE_SCALAR(bytesPerPixel);
UNSERIALIZE_ARRAY(dmaBuffer, buffer_size);
UNSERIALIZE_SCALAR(startTime);
UNSERIALIZE_SCALAR(startAddr);
UNSERIALIZE_SCALAR(maxAddr);
UNSERIALIZE_SCALAR(curAddr);
UNSERIALIZE_SCALAR(waterMark);
UNSERIALIZE_SCALAR(dmaPendingNum);
Tick int_event_time = 0;
Tick read_event_time = 0;
Tick fill_fifo_event_time = 0;
UNSERIALIZE_SCALAR(read_event_time);
UNSERIALIZE_SCALAR(fill_fifo_event_time);
UNSERIALIZE_SCALAR(int_event_time);
if (int_event_time)
schedule(intEvent, int_event_time);
if (read_event_time)
schedule(readEvent, read_event_time);
if (fill_fifo_event_time)
schedule(fillFifoEvent, fill_fifo_event_time);
vector<Tick> dma_done_event_tick;
dma_done_event_tick.resize(maxOutstandingDma);
UNSERIALIZE_CONTAINER(dma_done_event_tick);
dmaDoneEventFree.clear();
for (int x = 0; x < maxOutstandingDma; x++) {
if (dma_done_event_tick[x])
schedule(dmaDoneEventAll[x], dma_done_event_tick[x]);
else
dmaDoneEventFree.push_back(&dmaDoneEventAll[x]);
}
assert(maxOutstandingDma - dmaDoneEventFree.size() == dmaPendingNum);
if (lcdControl.lcdpwr) {
updateVideoParams();
fb.copyIn(dmaBuffer, converter);
if (vnc)
vnc->setDirty();
}
}
void
Pl111::generateInterrupt()
{
DPRINTF(PL111, "Generate Interrupt: lcdImsc=0x%x lcdRis=0x%x lcdMis=0x%x\n",
(uint32_t)lcdImsc, (uint32_t)lcdRis, (uint32_t)lcdMis);
lcdMis = lcdImsc & lcdRis;
if (lcdMis.underflow || lcdMis.baseaddr || lcdMis.vcomp || lcdMis.ahbmaster) {
gic->sendInt(intNum);
DPRINTF(PL111, " -- Generated\n");
}
}
AddrRangeList
Pl111::getAddrRanges() const
{
AddrRangeList ranges;
ranges.push_back(RangeSize(pioAddr, pioSize));
return ranges;
}
Pl111 *
Pl111Params::create()
{
return new Pl111(this);
}
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