pl111.cc revision 9525:0587c8983d47 
1/*
2 * Copyright (c) 2010-2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: William Wang
38 *          Ali Saidi
39 */
40
41#include "base/vnc/vncinput.hh"
42#include "base/bitmap.hh"
43#include "base/output.hh"
44#include "base/trace.hh"
45#include "debug/PL111.hh"
46#include "debug/Uart.hh"
47#include "dev/arm/amba_device.hh"
48#include "dev/arm/base_gic.hh"
49#include "dev/arm/pl111.hh"
50#include "mem/packet.hh"
51#include "mem/packet_access.hh"
52#include "sim/system.hh"
53
54// clang complains about std::set being overloaded with Packet::set if
55// we open up the entire namespace std
56using std::vector;
57
58using namespace AmbaDev;
59
60// initialize clcd registers
61Pl111::Pl111(const Params *p)
62    : AmbaDmaDevice(p), lcdTiming0(0), lcdTiming1(0), lcdTiming2(0),
63      lcdTiming3(0), lcdUpbase(0), lcdLpbase(0), lcdControl(0), lcdImsc(0),
64      lcdRis(0), lcdMis(0),
65      clcdCrsrCtrl(0), clcdCrsrConfig(0), clcdCrsrPalette0(0),
66      clcdCrsrPalette1(0), clcdCrsrXY(0), clcdCrsrClip(0), clcdCrsrImsc(0),
67      clcdCrsrIcr(0), clcdCrsrRis(0), clcdCrsrMis(0),
68      pixelClock(p->pixel_clock),
69      vnc(p->vnc), bmp(NULL), width(LcdMaxWidth), height(LcdMaxHeight),
70      bytesPerPixel(4), startTime(0), startAddr(0), maxAddr(0), curAddr(0),
71      waterMark(0), dmaPendingNum(0), readEvent(this), fillFifoEvent(this),
72      dmaDoneEventAll(maxOutstandingDma, this),
73      dmaDoneEventFree(maxOutstandingDma),
74      intEvent(this)
75{
76    pioSize = 0xFFFF;
77
78    pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
79
80    dmaBuffer = new uint8_t[buffer_size];
81
82    memset(lcdPalette, 0, sizeof(lcdPalette));
83    memset(cursorImage, 0, sizeof(cursorImage));
84    memset(dmaBuffer, 0, buffer_size);
85
86    for (int i = 0; i < maxOutstandingDma; ++i)
87        dmaDoneEventFree[i] = &dmaDoneEventAll[i];
88
89    if (vnc)
90        vnc->setFramebufferAddr(dmaBuffer);
91}
92
93Pl111::~Pl111()
94{
95    delete[] dmaBuffer;
96}
97
98// read registers and frame buffer
99Tick
100Pl111::read(PacketPtr pkt)
101{
102    // use a temporary data since the LCD registers are read/written with
103    // different size operations
104
105    uint32_t data = 0;
106
107    assert(pkt->getAddr() >= pioAddr &&
108           pkt->getAddr() < pioAddr + pioSize);
109
110    Addr daddr = pkt->getAddr() - pioAddr;
111    pkt->allocate();
112
113    DPRINTF(PL111, " read register %#x size=%d\n", daddr, pkt->getSize());
114
115    switch (daddr) {
116      case LcdTiming0:
117        data = lcdTiming0;
118        break;
119      case LcdTiming1:
120        data = lcdTiming1;
121        break;
122      case LcdTiming2:
123        data = lcdTiming2;
124        break;
125      case LcdTiming3:
126        data = lcdTiming3;
127        break;
128      case LcdUpBase:
129        data = lcdUpbase;
130        break;
131      case LcdLpBase:
132        data = lcdLpbase;
133        break;
134      case LcdControl:
135        data = lcdControl;
136        break;
137      case LcdImsc:
138        data = lcdImsc;
139        break;
140      case LcdRis:
141        data = lcdRis;
142        break;
143      case LcdMis:
144        data = lcdMis;
145        break;
146      case LcdIcr:
147        panic("LCD register at offset %#x is Write-Only\n", daddr);
148        break;
149      case LcdUpCurr:
150        data = curAddr;
151        break;
152      case LcdLpCurr:
153        data = curAddr;
154        break;
155      case ClcdCrsrCtrl:
156        data = clcdCrsrCtrl;
157        break;
158      case ClcdCrsrConfig:
159        data = clcdCrsrConfig;
160        break;
161      case ClcdCrsrPalette0:
162        data = clcdCrsrPalette0;
163        break;
164      case ClcdCrsrPalette1:
165        data = clcdCrsrPalette1;
166        break;
167      case ClcdCrsrXY:
168        data = clcdCrsrXY;
169        break;
170      case ClcdCrsrClip:
171        data = clcdCrsrClip;
172        break;
173      case ClcdCrsrImsc:
174        data = clcdCrsrImsc;
175        break;
176      case ClcdCrsrIcr:
177        panic("CLCD register at offset %#x is Write-Only\n", daddr);
178        break;
179      case ClcdCrsrRis:
180        data = clcdCrsrRis;
181        break;
182      case ClcdCrsrMis:
183        data = clcdCrsrMis;
184        break;
185      default:
186        if (AmbaDev::readId(pkt, AMBA_ID, pioAddr)) {
187            // Hack for variable size accesses
188            data = pkt->get<uint32_t>();
189            break;
190        } else if (daddr >= CrsrImage && daddr <= 0xBFC) {
191            // CURSOR IMAGE
192            int index;
193            index = (daddr - CrsrImage) >> 2;
194            data= cursorImage[index];
195            break;
196        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
197            // LCD Palette
198            int index;
199            index = (daddr - LcdPalette) >> 2;
200            data = lcdPalette[index];
201            break;
202        } else {
203            panic("Tried to read CLCD register at offset %#x that \
204                       doesn't exist\n", daddr);
205            break;
206        }
207    }
208
209    switch(pkt->getSize()) {
210      case 1:
211        pkt->set<uint8_t>(data);
212        break;
213      case 2:
214        pkt->set<uint16_t>(data);
215        break;
216      case 4:
217        pkt->set<uint32_t>(data);
218        break;
219      default:
220        panic("CLCD controller read size too big?\n");
221        break;
222    }
223
224    pkt->makeAtomicResponse();
225    return pioDelay;
226}
227
228// write registers and frame buffer
229Tick
230Pl111::write(PacketPtr pkt)
231{
232    // use a temporary data since the LCD registers are read/written with
233    // different size operations
234    //
235    uint32_t data = 0;
236
237    switch(pkt->getSize()) {
238      case 1:
239        data = pkt->get<uint8_t>();
240        break;
241      case 2:
242        data = pkt->get<uint16_t>();
243        break;
244      case 4:
245        data = pkt->get<uint32_t>();
246        break;
247      default:
248        panic("PL111 CLCD controller write size too big?\n");
249        break;
250    }
251
252    assert(pkt->getAddr() >= pioAddr &&
253           pkt->getAddr() < pioAddr + pioSize);
254
255    Addr daddr = pkt->getAddr() - pioAddr;
256
257    DPRINTF(PL111, " write register %#x value %#x size=%d\n", daddr,
258            pkt->get<uint8_t>(), pkt->getSize());
259
260    switch (daddr) {
261      case LcdTiming0:
262        lcdTiming0 = data;
263        // width = 16 * (PPL+1)
264        width = (lcdTiming0.ppl + 1) << 4;
265        break;
266      case LcdTiming1:
267        lcdTiming1 = data;
268        // height = LPP + 1
269        height = (lcdTiming1.lpp) + 1;
270        break;
271      case LcdTiming2:
272        lcdTiming2 = data;
273        break;
274      case LcdTiming3:
275        lcdTiming3 = data;
276        break;
277      case LcdUpBase:
278        lcdUpbase = data;
279        DPRINTF(PL111, "####### Upper panel base set to: %#x #######\n", lcdUpbase);
280        break;
281      case LcdLpBase:
282        warn_once("LCD dual screen mode not supported\n");
283        lcdLpbase = data;
284        DPRINTF(PL111, "###### Lower panel base set to: %#x #######\n", lcdLpbase);
285        break;
286      case LcdControl:
287        int old_lcdpwr;
288        old_lcdpwr = lcdControl.lcdpwr;
289        lcdControl = data;
290
291        DPRINTF(PL111, "LCD power is:%d\n", lcdControl.lcdpwr);
292
293        // LCD power enable
294        if (lcdControl.lcdpwr && !old_lcdpwr) {
295            updateVideoParams();
296            DPRINTF(PL111, " lcd size: height %d width %d\n", height, width);
297            waterMark = lcdControl.watermark ? 8 : 4;
298            startDma();
299        }
300        break;
301      case LcdImsc:
302        lcdImsc = data;
303        if (lcdImsc.vcomp)
304            panic("Interrupting on vcomp not supported\n");
305
306        lcdMis = lcdImsc & lcdRis;
307
308        if (!lcdMis)
309            gic->clearInt(intNum);
310
311         break;
312      case LcdRis:
313        panic("LCD register at offset %#x is Read-Only\n", daddr);
314        break;
315      case LcdMis:
316        panic("LCD register at offset %#x is Read-Only\n", daddr);
317        break;
318      case LcdIcr:
319        lcdRis = lcdRis & ~data;
320        lcdMis = lcdImsc & lcdRis;
321
322        if (!lcdMis)
323            gic->clearInt(intNum);
324
325        break;
326      case LcdUpCurr:
327        panic("LCD register at offset %#x is Read-Only\n", daddr);
328        break;
329      case LcdLpCurr:
330        panic("LCD register at offset %#x is Read-Only\n", daddr);
331        break;
332      case ClcdCrsrCtrl:
333        clcdCrsrCtrl = data;
334        break;
335      case ClcdCrsrConfig:
336        clcdCrsrConfig = data;
337        break;
338      case ClcdCrsrPalette0:
339        clcdCrsrPalette0 = data;
340        break;
341      case ClcdCrsrPalette1:
342        clcdCrsrPalette1 = data;
343        break;
344      case ClcdCrsrXY:
345        clcdCrsrXY = data;
346        break;
347      case ClcdCrsrClip:
348        clcdCrsrClip = data;
349        break;
350      case ClcdCrsrImsc:
351        clcdCrsrImsc = data;
352        break;
353      case ClcdCrsrIcr:
354        clcdCrsrIcr = data;
355        break;
356      case ClcdCrsrRis:
357        panic("CLCD register at offset %#x is Read-Only\n", daddr);
358        break;
359      case ClcdCrsrMis:
360        panic("CLCD register at offset %#x is Read-Only\n", daddr);
361        break;
362      default:
363        if (daddr >= CrsrImage && daddr <= 0xBFC) {
364            // CURSOR IMAGE
365            int index;
366            index = (daddr - CrsrImage) >> 2;
367            cursorImage[index] = data;
368            break;
369        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
370            // LCD Palette
371            int index;
372            index = (daddr - LcdPalette) >> 2;
373            lcdPalette[index] = data;
374            break;
375        } else {
376            panic("Tried to write PL111 register at offset %#x that \
377                       doesn't exist\n", daddr);
378            break;
379        }
380    }
381
382    pkt->makeAtomicResponse();
383    return pioDelay;
384}
385
386void
387Pl111::updateVideoParams()
388{
389        if (lcdControl.lcdbpp == bpp24) {
390            bytesPerPixel = 4;
391        } else if (lcdControl.lcdbpp == bpp16m565) {
392            bytesPerPixel = 2;
393        }
394
395        if (vnc) {
396            if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
397                vnc->setFrameBufferParams(VideoConvert::bgr8888, width,
398                       height);
399            else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
400                vnc->setFrameBufferParams(VideoConvert::rgb8888, width,
401                       height);
402            else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
403                vnc->setFrameBufferParams(VideoConvert::bgr565, width,
404                       height);
405            else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
406                vnc->setFrameBufferParams(VideoConvert::rgb565, width,
407                       height);
408            else
409                panic("Unimplemented video mode\n");
410        }
411
412        if (bmp)
413            delete bmp;
414
415        if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
416            bmp = new Bitmap(VideoConvert::bgr8888, width, height, dmaBuffer);
417        else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
418            bmp = new Bitmap(VideoConvert::rgb8888, width, height, dmaBuffer);
419        else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
420            bmp = new Bitmap(VideoConvert::bgr565, width, height, dmaBuffer);
421        else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
422            bmp = new Bitmap(VideoConvert::rgb565, width, height, dmaBuffer);
423        else
424            panic("Unimplemented video mode\n");
425}
426
427void
428Pl111::startDma()
429{
430    if (dmaPendingNum != 0 || readEvent.scheduled())
431        return;
432    readFramebuffer();
433}
434
435void
436Pl111::readFramebuffer()
437{
438    // initialization for dma read from frame buffer to dma buffer
439    uint32_t length = height * width;
440    if (startAddr != lcdUpbase)
441        startAddr = lcdUpbase;
442
443    // Updating base address, interrupt if we're supposed to
444    lcdRis.baseaddr = 1;
445    if (!intEvent.scheduled())
446        schedule(intEvent, nextCycle());
447
448    curAddr = 0;
449    startTime = curTick();
450
451    maxAddr = static_cast<Addr>(length * bytesPerPixel);
452
453    DPRINTF(PL111, " lcd frame buffer size of %d bytes \n", maxAddr);
454
455    fillFifo();
456}
457
458void
459Pl111::fillFifo()
460{
461    while ((dmaPendingNum < maxOutstandingDma) && (maxAddr >= curAddr + dmaSize )) {
462        // concurrent dma reads need different dma done events
463        // due to assertion in scheduling state
464        ++dmaPendingNum;
465
466        assert(!dmaDoneEventFree.empty());
467        DmaDoneEvent *event(dmaDoneEventFree.back());
468        dmaDoneEventFree.pop_back();
469        assert(!event->scheduled());
470
471        // We use a uncachable request here because the requests from the CPU
472        // will be uncacheable as well. If we have uncacheable and cacheable
473        // requests in the memory system for the same address it won't be
474        // pleased
475        dmaPort.dmaAction(MemCmd::ReadReq, curAddr + startAddr, dmaSize,
476                          event, curAddr + dmaBuffer,
477                          0, Request::UNCACHEABLE);
478        curAddr += dmaSize;
479    }
480}
481
482void
483Pl111::dmaDone()
484{
485    DPRINTF(PL111, "DMA Done\n");
486
487    Tick maxFrameTime = lcdTiming2.cpl * height * pixelClock;
488
489    --dmaPendingNum;
490
491    if (maxAddr == curAddr && !dmaPendingNum) {
492        if ((curTick() - startTime) > maxFrameTime) {
493            warn("CLCD controller buffer underrun, took %d ticks when should"
494                 " have taken %d\n", curTick() - startTime, maxFrameTime);
495            lcdRis.underflow = 1;
496            if (!intEvent.scheduled())
497                schedule(intEvent, nextCycle());
498        }
499
500        assert(!readEvent.scheduled());
501        if (vnc)
502            vnc->setDirty();
503
504        DPRINTF(PL111, "-- write out frame buffer into bmp\n");
505
506        assert(bmp);
507        pic->seekp(0);
508        bmp->write(pic);
509
510        // schedule the next read based on when the last frame started
511        // and the desired fps (i.e. maxFrameTime), we turn the
512        // argument into a relative number of cycles in the future
513        if (lcdControl.lcden)
514            schedule(readEvent, clockEdge(ticksToCycles(startTime -
515                                                        curTick() +
516                                                        maxFrameTime)));
517    }
518
519    if (dmaPendingNum > (maxOutstandingDma - waterMark))
520        return;
521
522    if (!fillFifoEvent.scheduled())
523        schedule(fillFifoEvent, nextCycle());
524}
525
526void
527Pl111::serialize(std::ostream &os)
528{
529    DPRINTF(PL111, "Serializing ARM PL111\n");
530
531    uint32_t lcdTiming0_serial = lcdTiming0;
532    SERIALIZE_SCALAR(lcdTiming0_serial);
533
534    uint32_t lcdTiming1_serial = lcdTiming1;
535    SERIALIZE_SCALAR(lcdTiming1_serial);
536
537    uint32_t lcdTiming2_serial = lcdTiming2;
538    SERIALIZE_SCALAR(lcdTiming2_serial);
539
540    uint32_t lcdTiming3_serial = lcdTiming3;
541    SERIALIZE_SCALAR(lcdTiming3_serial);
542
543    SERIALIZE_SCALAR(lcdUpbase);
544    SERIALIZE_SCALAR(lcdLpbase);
545
546    uint32_t lcdControl_serial = lcdControl;
547    SERIALIZE_SCALAR(lcdControl_serial);
548
549    uint8_t lcdImsc_serial = lcdImsc;
550    SERIALIZE_SCALAR(lcdImsc_serial);
551
552    uint8_t lcdRis_serial = lcdRis;
553    SERIALIZE_SCALAR(lcdRis_serial);
554
555    uint8_t lcdMis_serial = lcdMis;
556    SERIALIZE_SCALAR(lcdMis_serial);
557
558    SERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
559    SERIALIZE_ARRAY(cursorImage, CrsrImageSize);
560
561    SERIALIZE_SCALAR(clcdCrsrCtrl);
562    SERIALIZE_SCALAR(clcdCrsrConfig);
563    SERIALIZE_SCALAR(clcdCrsrPalette0);
564    SERIALIZE_SCALAR(clcdCrsrPalette1);
565    SERIALIZE_SCALAR(clcdCrsrXY);
566    SERIALIZE_SCALAR(clcdCrsrClip);
567
568    uint8_t clcdCrsrImsc_serial = clcdCrsrImsc;
569    SERIALIZE_SCALAR(clcdCrsrImsc_serial);
570
571    uint8_t clcdCrsrIcr_serial = clcdCrsrIcr;
572    SERIALIZE_SCALAR(clcdCrsrIcr_serial);
573
574    uint8_t clcdCrsrRis_serial = clcdCrsrRis;
575    SERIALIZE_SCALAR(clcdCrsrRis_serial);
576
577    uint8_t clcdCrsrMis_serial = clcdCrsrMis;
578    SERIALIZE_SCALAR(clcdCrsrMis_serial);
579
580    SERIALIZE_SCALAR(height);
581    SERIALIZE_SCALAR(width);
582    SERIALIZE_SCALAR(bytesPerPixel);
583
584    SERIALIZE_ARRAY(dmaBuffer, buffer_size);
585    SERIALIZE_SCALAR(startTime);
586    SERIALIZE_SCALAR(startAddr);
587    SERIALIZE_SCALAR(maxAddr);
588    SERIALIZE_SCALAR(curAddr);
589    SERIALIZE_SCALAR(waterMark);
590    SERIALIZE_SCALAR(dmaPendingNum);
591
592    Tick int_event_time = 0;
593    Tick read_event_time = 0;
594    Tick fill_fifo_event_time = 0;
595
596    if (readEvent.scheduled())
597        read_event_time = readEvent.when();
598    if (fillFifoEvent.scheduled())
599        fill_fifo_event_time = fillFifoEvent.when();
600    if (intEvent.scheduled())
601        int_event_time = intEvent.when();
602
603    SERIALIZE_SCALAR(read_event_time);
604    SERIALIZE_SCALAR(fill_fifo_event_time);
605    SERIALIZE_SCALAR(int_event_time);
606
607    vector<Tick> dma_done_event_tick;
608    dma_done_event_tick.resize(maxOutstandingDma);
609    for (int x = 0; x < maxOutstandingDma; x++) {
610        dma_done_event_tick[x] = dmaDoneEventAll[x].scheduled() ?
611            dmaDoneEventAll[x].when() : 0;
612    }
613    arrayParamOut(os, "dma_done_event_tick", dma_done_event_tick);
614}
615
616void
617Pl111::unserialize(Checkpoint *cp, const std::string &section)
618{
619    DPRINTF(PL111, "Unserializing ARM PL111\n");
620
621    uint32_t lcdTiming0_serial;
622    UNSERIALIZE_SCALAR(lcdTiming0_serial);
623    lcdTiming0 = lcdTiming0_serial;
624
625    uint32_t lcdTiming1_serial;
626    UNSERIALIZE_SCALAR(lcdTiming1_serial);
627    lcdTiming1 = lcdTiming1_serial;
628
629    uint32_t lcdTiming2_serial;
630    UNSERIALIZE_SCALAR(lcdTiming2_serial);
631    lcdTiming2 = lcdTiming2_serial;
632
633    uint32_t lcdTiming3_serial;
634    UNSERIALIZE_SCALAR(lcdTiming3_serial);
635    lcdTiming3 = lcdTiming3_serial;
636
637    UNSERIALIZE_SCALAR(lcdUpbase);
638    UNSERIALIZE_SCALAR(lcdLpbase);
639
640    uint32_t lcdControl_serial;
641    UNSERIALIZE_SCALAR(lcdControl_serial);
642    lcdControl = lcdControl_serial;
643
644    uint8_t lcdImsc_serial;
645    UNSERIALIZE_SCALAR(lcdImsc_serial);
646    lcdImsc = lcdImsc_serial;
647
648    uint8_t lcdRis_serial;
649    UNSERIALIZE_SCALAR(lcdRis_serial);
650    lcdRis = lcdRis_serial;
651
652    uint8_t lcdMis_serial;
653    UNSERIALIZE_SCALAR(lcdMis_serial);
654    lcdMis = lcdMis_serial;
655
656    UNSERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
657    UNSERIALIZE_ARRAY(cursorImage, CrsrImageSize);
658
659    UNSERIALIZE_SCALAR(clcdCrsrCtrl);
660    UNSERIALIZE_SCALAR(clcdCrsrConfig);
661    UNSERIALIZE_SCALAR(clcdCrsrPalette0);
662    UNSERIALIZE_SCALAR(clcdCrsrPalette1);
663    UNSERIALIZE_SCALAR(clcdCrsrXY);
664    UNSERIALIZE_SCALAR(clcdCrsrClip);
665
666    uint8_t clcdCrsrImsc_serial;
667    UNSERIALIZE_SCALAR(clcdCrsrImsc_serial);
668    clcdCrsrImsc = clcdCrsrImsc_serial;
669
670    uint8_t clcdCrsrIcr_serial;
671    UNSERIALIZE_SCALAR(clcdCrsrIcr_serial);
672    clcdCrsrIcr = clcdCrsrIcr_serial;
673
674    uint8_t clcdCrsrRis_serial;
675    UNSERIALIZE_SCALAR(clcdCrsrRis_serial);
676    clcdCrsrRis = clcdCrsrRis_serial;
677
678    uint8_t clcdCrsrMis_serial;
679    UNSERIALIZE_SCALAR(clcdCrsrMis_serial);
680    clcdCrsrMis = clcdCrsrMis_serial;
681
682    UNSERIALIZE_SCALAR(height);
683    UNSERIALIZE_SCALAR(width);
684    UNSERIALIZE_SCALAR(bytesPerPixel);
685
686    UNSERIALIZE_ARRAY(dmaBuffer, buffer_size);
687    UNSERIALIZE_SCALAR(startTime);
688    UNSERIALIZE_SCALAR(startAddr);
689    UNSERIALIZE_SCALAR(maxAddr);
690    UNSERIALIZE_SCALAR(curAddr);
691    UNSERIALIZE_SCALAR(waterMark);
692    UNSERIALIZE_SCALAR(dmaPendingNum);
693
694    Tick int_event_time = 0;
695    Tick read_event_time = 0;
696    Tick fill_fifo_event_time = 0;
697
698    UNSERIALIZE_SCALAR(read_event_time);
699    UNSERIALIZE_SCALAR(fill_fifo_event_time);
700    UNSERIALIZE_SCALAR(int_event_time);
701
702    if (int_event_time)
703        schedule(intEvent, int_event_time);
704    if (read_event_time)
705        schedule(readEvent, read_event_time);
706    if (fill_fifo_event_time)
707        schedule(fillFifoEvent, fill_fifo_event_time);
708
709    vector<Tick> dma_done_event_tick;
710    dma_done_event_tick.resize(maxOutstandingDma);
711    arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick);
712    dmaDoneEventFree.clear();
713    for (int x = 0; x < maxOutstandingDma; x++) {
714        if (dma_done_event_tick[x])
715            schedule(dmaDoneEventAll[x], dma_done_event_tick[x]);
716        else
717            dmaDoneEventFree.push_back(&dmaDoneEventAll[x]);
718    }
719    assert(maxOutstandingDma - dmaDoneEventFree.size() == dmaPendingNum);
720
721    if (lcdControl.lcdpwr) {
722        updateVideoParams();
723        if (vnc)
724            vnc->setDirty();
725    }
726}
727
728void
729Pl111::generateInterrupt()
730{
731    DPRINTF(PL111, "Generate Interrupt: lcdImsc=0x%x lcdRis=0x%x lcdMis=0x%x\n",
732            (uint32_t)lcdImsc, (uint32_t)lcdRis, (uint32_t)lcdMis);
733    lcdMis = lcdImsc & lcdRis;
734
735    if (lcdMis.underflow || lcdMis.baseaddr || lcdMis.vcomp || lcdMis.ahbmaster) {
736        gic->sendInt(intNum);
737        DPRINTF(PL111, " -- Generated\n");
738    }
739}
740
741AddrRangeList
742Pl111::getAddrRanges() const
743{
744    AddrRangeList ranges;
745    ranges.push_back(RangeSize(pioAddr, pioSize));
746    return ranges;
747}
748
749Pl111 *
750Pl111Params::create()
751{
752    return new Pl111(this);
753}
754
755
756