pl111.cc revision 9179:666bc9df1e49 
1/*
2 * Copyright (c) 2010 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/vncserver.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/gic.hh"
49#include "dev/arm/pl111.hh"
50#include "mem/packet.hh"
51#include "mem/packet_access.hh"
52
53// clang complains about std::set being overloaded with Packet::set if
54// we open up the entire namespace std
55using std::vector;
56
57using namespace AmbaDev;
58
59// initialize clcd registers
60Pl111::Pl111(const Params *p)
61    : AmbaDmaDevice(p), lcdTiming0(0), lcdTiming1(0), lcdTiming2(0),
62      lcdTiming3(0), lcdUpbase(0), lcdLpbase(0), lcdControl(0), lcdImsc(0),
63      lcdRis(0), lcdMis(0),
64      clcdCrsrCtrl(0), clcdCrsrConfig(0), clcdCrsrPalette0(0),
65      clcdCrsrPalette1(0), clcdCrsrXY(0), clcdCrsrClip(0), clcdCrsrImsc(0),
66      clcdCrsrIcr(0), clcdCrsrRis(0), clcdCrsrMis(0),
67      vncserver(p->vnc), bmp(NULL), width(LcdMaxWidth), height(LcdMaxHeight),
68      bytesPerPixel(4), startTime(0), startAddr(0), maxAddr(0), curAddr(0),
69      waterMark(0), dmaPendingNum(0), readEvent(this), fillFifoEvent(this),
70      dmaDoneEvent(maxOutstandingDma, this), intEvent(this)
71{
72    pioSize = 0xFFFF;
73
74    pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
75
76    const int buffer_size = LcdMaxWidth * LcdMaxHeight * sizeof(uint32_t);
77    dmaBuffer = new uint8_t[buffer_size];
78
79    memset(lcdPalette, 0, sizeof(lcdPalette));
80    memset(cursorImage, 0, sizeof(cursorImage));
81    memset(dmaBuffer, 0, buffer_size);
82
83    if (vncserver)
84        vncserver->setFramebufferAddr(dmaBuffer);
85}
86
87Pl111::~Pl111()
88{
89    delete[] dmaBuffer;
90}
91
92// read registers and frame buffer
93Tick
94Pl111::read(PacketPtr pkt)
95{
96    // use a temporary data since the LCD registers are read/written with
97    // different size operations
98
99    uint32_t data = 0;
100
101    assert(pkt->getAddr() >= pioAddr &&
102           pkt->getAddr() < pioAddr + pioSize);
103
104    Addr daddr = pkt->getAddr() - pioAddr;
105    pkt->allocate();
106
107    DPRINTF(PL111, " read register %#x size=%d\n", daddr, pkt->getSize());
108
109    switch (daddr) {
110      case LcdTiming0:
111        data = lcdTiming0;
112        break;
113      case LcdTiming1:
114        data = lcdTiming1;
115        break;
116      case LcdTiming2:
117        data = lcdTiming2;
118        break;
119      case LcdTiming3:
120        data = lcdTiming3;
121        break;
122      case LcdUpBase:
123        data = lcdUpbase;
124        break;
125      case LcdLpBase:
126        data = lcdLpbase;
127        break;
128      case LcdControl:
129        data = lcdControl;
130        break;
131      case LcdImsc:
132        data = lcdImsc;
133        break;
134      case LcdRis:
135        data = lcdRis;
136        break;
137      case LcdMis:
138        data = lcdMis;
139        break;
140      case LcdIcr:
141        panic("LCD register at offset %#x is Write-Only\n", daddr);
142        break;
143      case LcdUpCurr:
144        data = curAddr;
145        break;
146      case LcdLpCurr:
147        data = curAddr;
148        break;
149      case ClcdCrsrCtrl:
150        data = clcdCrsrCtrl;
151        break;
152      case ClcdCrsrConfig:
153        data = clcdCrsrConfig;
154        break;
155      case ClcdCrsrPalette0:
156        data = clcdCrsrPalette0;
157        break;
158      case ClcdCrsrPalette1:
159        data = clcdCrsrPalette1;
160        break;
161      case ClcdCrsrXY:
162        data = clcdCrsrXY;
163        break;
164      case ClcdCrsrClip:
165        data = clcdCrsrClip;
166        break;
167      case ClcdCrsrImsc:
168        data = clcdCrsrImsc;
169        break;
170      case ClcdCrsrIcr:
171        panic("CLCD register at offset %#x is Write-Only\n", daddr);
172        break;
173      case ClcdCrsrRis:
174        data = clcdCrsrRis;
175        break;
176      case ClcdCrsrMis:
177        data = clcdCrsrMis;
178        break;
179      default:
180        if (AmbaDev::readId(pkt, AMBA_ID, pioAddr)) {
181            // Hack for variable size accesses
182            data = pkt->get<uint32_t>();
183            break;
184        } else if (daddr >= CrsrImage && daddr <= 0xBFC) {
185            // CURSOR IMAGE
186            int index;
187            index = (daddr - CrsrImage) >> 2;
188            data= cursorImage[index];
189            break;
190        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
191            // LCD Palette
192            int index;
193            index = (daddr - LcdPalette) >> 2;
194            data = lcdPalette[index];
195            break;
196        } else {
197            panic("Tried to read CLCD register at offset %#x that \
198                       doesn't exist\n", daddr);
199            break;
200        }
201    }
202
203    switch(pkt->getSize()) {
204      case 1:
205        pkt->set<uint8_t>(data);
206        break;
207      case 2:
208        pkt->set<uint16_t>(data);
209        break;
210      case 4:
211        pkt->set<uint32_t>(data);
212        break;
213      default:
214        panic("CLCD controller read size too big?\n");
215        break;
216    }
217
218    pkt->makeAtomicResponse();
219    return pioDelay;
220}
221
222// write registers and frame buffer
223Tick
224Pl111::write(PacketPtr pkt)
225{
226    // use a temporary data since the LCD registers are read/written with
227    // different size operations
228    //
229    uint32_t data = 0;
230
231    switch(pkt->getSize()) {
232      case 1:
233        data = pkt->get<uint8_t>();
234        break;
235      case 2:
236        data = pkt->get<uint16_t>();
237        break;
238      case 4:
239        data = pkt->get<uint32_t>();
240        break;
241      default:
242        panic("PL111 CLCD controller write size too big?\n");
243        break;
244    }
245
246    assert(pkt->getAddr() >= pioAddr &&
247           pkt->getAddr() < pioAddr + pioSize);
248
249    Addr daddr = pkt->getAddr() - pioAddr;
250
251    DPRINTF(PL111, " write register %#x value %#x size=%d\n", daddr,
252            pkt->get<uint8_t>(), pkt->getSize());
253
254    switch (daddr) {
255      case LcdTiming0:
256        lcdTiming0 = data;
257        // width = 16 * (PPL+1)
258        width = (lcdTiming0.ppl + 1) << 4;
259        break;
260      case LcdTiming1:
261        lcdTiming1 = data;
262        // height = LPP + 1
263        height = (lcdTiming1.lpp) + 1;
264        break;
265      case LcdTiming2:
266        lcdTiming2 = data;
267        break;
268      case LcdTiming3:
269        lcdTiming3 = data;
270        break;
271      case LcdUpBase:
272        lcdUpbase = data;
273        DPRINTF(PL111, "####### Upper panel base set to: %#x #######\n", lcdUpbase);
274        break;
275      case LcdLpBase:
276        warn_once("LCD dual screen mode not supported\n");
277        lcdLpbase = data;
278        DPRINTF(PL111, "###### Lower panel base set to: %#x #######\n", lcdLpbase);
279        break;
280      case LcdControl:
281        int old_lcdpwr;
282        old_lcdpwr = lcdControl.lcdpwr;
283        lcdControl = data;
284
285        DPRINTF(PL111, "LCD power is:%d\n", lcdControl.lcdpwr);
286
287        // LCD power enable
288        if (lcdControl.lcdpwr && !old_lcdpwr) {
289            updateVideoParams();
290            DPRINTF(PL111, " lcd size: height %d width %d\n", height, width);
291            waterMark = lcdControl.watermark ? 8 : 4;
292            startDma();
293        }
294        break;
295      case LcdImsc:
296        lcdImsc = data;
297        if (lcdImsc.vcomp)
298            panic("Interrupting on vcomp not supported\n");
299
300        lcdMis = lcdImsc & lcdRis;
301
302        if (!lcdMis)
303            gic->clearInt(intNum);
304
305         break;
306      case LcdRis:
307        panic("LCD register at offset %#x is Read-Only\n", daddr);
308        break;
309      case LcdMis:
310        panic("LCD register at offset %#x is Read-Only\n", daddr);
311        break;
312      case LcdIcr:
313        lcdRis = lcdRis & ~data;
314        lcdMis = lcdImsc & lcdRis;
315
316        if (!lcdMis)
317            gic->clearInt(intNum);
318
319        break;
320      case LcdUpCurr:
321        panic("LCD register at offset %#x is Read-Only\n", daddr);
322        break;
323      case LcdLpCurr:
324        panic("LCD register at offset %#x is Read-Only\n", daddr);
325        break;
326      case ClcdCrsrCtrl:
327        clcdCrsrCtrl = data;
328        break;
329      case ClcdCrsrConfig:
330        clcdCrsrConfig = data;
331        break;
332      case ClcdCrsrPalette0:
333        clcdCrsrPalette0 = data;
334        break;
335      case ClcdCrsrPalette1:
336        clcdCrsrPalette1 = data;
337        break;
338      case ClcdCrsrXY:
339        clcdCrsrXY = data;
340        break;
341      case ClcdCrsrClip:
342        clcdCrsrClip = data;
343        break;
344      case ClcdCrsrImsc:
345        clcdCrsrImsc = data;
346        break;
347      case ClcdCrsrIcr:
348        clcdCrsrIcr = data;
349        break;
350      case ClcdCrsrRis:
351        panic("CLCD register at offset %#x is Read-Only\n", daddr);
352        break;
353      case ClcdCrsrMis:
354        panic("CLCD register at offset %#x is Read-Only\n", daddr);
355        break;
356      default:
357        if (daddr >= CrsrImage && daddr <= 0xBFC) {
358            // CURSOR IMAGE
359            int index;
360            index = (daddr - CrsrImage) >> 2;
361            cursorImage[index] = data;
362            break;
363        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
364            // LCD Palette
365            int index;
366            index = (daddr - LcdPalette) >> 2;
367            lcdPalette[index] = data;
368            break;
369        } else {
370            panic("Tried to write PL111 register at offset %#x that \
371                       doesn't exist\n", daddr);
372            break;
373        }
374    }
375
376    pkt->makeAtomicResponse();
377    return pioDelay;
378}
379
380void
381Pl111::updateVideoParams()
382{
383        if (lcdControl.lcdbpp == bpp24) {
384            bytesPerPixel = 4;
385        } else if (lcdControl.lcdbpp == bpp16m565) {
386            bytesPerPixel = 2;
387        }
388
389        if (vncserver) {
390            if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
391                vncserver->setFrameBufferParams(VideoConvert::bgr8888, width,
392                       height);
393            else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
394                vncserver->setFrameBufferParams(VideoConvert::rgb8888, width,
395                       height);
396            else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
397                vncserver->setFrameBufferParams(VideoConvert::bgr565, width,
398                       height);
399            else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
400                vncserver->setFrameBufferParams(VideoConvert::rgb565, width,
401                       height);
402            else
403                panic("Unimplemented video mode\n");
404        }
405
406        if (bmp)
407            delete bmp;
408
409        if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
410            bmp = new Bitmap(VideoConvert::bgr8888, width, height, dmaBuffer);
411        else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
412            bmp = new Bitmap(VideoConvert::rgb8888, width, height, dmaBuffer);
413        else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
414            bmp = new Bitmap(VideoConvert::bgr565, width, height, dmaBuffer);
415        else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
416            bmp = new Bitmap(VideoConvert::rgb565, width, height, dmaBuffer);
417        else
418            panic("Unimplemented video mode\n");
419}
420
421void
422Pl111::startDma()
423{
424    if (dmaPendingNum != 0 || readEvent.scheduled())
425        return;
426    readFramebuffer();
427}
428
429void
430Pl111::readFramebuffer()
431{
432    // initialization for dma read from frame buffer to dma buffer
433    uint32_t length = height * width;
434    if (startAddr != lcdUpbase)
435        startAddr = lcdUpbase;
436
437    // Updating base address, interrupt if we're supposed to
438    lcdRis.baseaddr = 1;
439    if (!intEvent.scheduled())
440        schedule(intEvent, nextCycle());
441
442    curAddr = 0;
443    startTime = curCycle();
444
445    maxAddr = static_cast<Addr>(length * bytesPerPixel);
446
447    DPRINTF(PL111, " lcd frame buffer size of %d bytes \n", maxAddr);
448
449    dmaPendingNum = 0;
450
451    fillFifo();
452}
453
454void
455Pl111::fillFifo()
456{
457    while ((dmaPendingNum < maxOutstandingDma) && (maxAddr >= curAddr + dmaSize )) {
458        // concurrent dma reads need different dma done events
459        // due to assertion in scheduling state
460        ++dmaPendingNum;
461
462        assert(!dmaDoneEvent[dmaPendingNum-1].scheduled());
463
464        // We use a uncachable request here because the requests from the CPU
465        // will be uncacheable as well. If we have uncacheable and cacheable
466        // requests in the memory system for the same address it won't be
467        // pleased
468        dmaPort.dmaAction(MemCmd::ReadReq, curAddr + startAddr, dmaSize,
469                          &dmaDoneEvent[dmaPendingNum-1], curAddr + dmaBuffer,
470                          0, Request::UNCACHEABLE);
471        curAddr += dmaSize;
472    }
473}
474
475void
476Pl111::dmaDone()
477{
478    Tick maxFrameTime = lcdTiming2.cpl * height;
479
480    --dmaPendingNum;
481
482    if (maxAddr == curAddr && !dmaPendingNum) {
483        if ((curCycle() - startTime) > maxFrameTime) {
484            warn("CLCD controller buffer underrun, took %d cycles when should"
485                 " have taken %d\n", curTick() - startTime, maxFrameTime);
486            lcdRis.underflow = 1;
487            if (!intEvent.scheduled())
488                schedule(intEvent, nextCycle());
489        }
490
491        assert(!readEvent.scheduled());
492        if (vncserver)
493            vncserver->setDirty();
494
495        DPRINTF(PL111, "-- write out frame buffer into bmp\n");
496
497        assert(bmp);
498        pic->seekp(0);
499        bmp->write(pic);
500
501        // schedule the next read based on when the last frame started
502        // and the desired fps (i.e. maxFrameTime), we turn the
503        // argument into a relative number of cycles in the future by
504        // subtracting curCycle()
505        if (lcdControl.lcden)
506            schedule(readEvent, clockEdge(startTime + maxFrameTime -
507                                          curCycle()));
508    }
509
510    if (dmaPendingNum > (maxOutstandingDma - waterMark))
511        return;
512
513    if (!fillFifoEvent.scheduled())
514        schedule(fillFifoEvent, nextCycle());
515}
516
517void
518Pl111::serialize(std::ostream &os)
519{
520    DPRINTF(PL111, "Serializing ARM PL111\n");
521
522    uint32_t lcdTiming0_serial = lcdTiming0;
523    SERIALIZE_SCALAR(lcdTiming0_serial);
524
525    uint32_t lcdTiming1_serial = lcdTiming1;
526    SERIALIZE_SCALAR(lcdTiming1_serial);
527
528    uint32_t lcdTiming2_serial = lcdTiming2;
529    SERIALIZE_SCALAR(lcdTiming2_serial);
530
531    uint32_t lcdTiming3_serial = lcdTiming3;
532    SERIALIZE_SCALAR(lcdTiming3_serial);
533
534    SERIALIZE_SCALAR(lcdUpbase);
535    SERIALIZE_SCALAR(lcdLpbase);
536
537    uint32_t lcdControl_serial = lcdControl;
538    SERIALIZE_SCALAR(lcdControl_serial);
539
540    uint8_t lcdImsc_serial = lcdImsc;
541    SERIALIZE_SCALAR(lcdImsc_serial);
542
543    uint8_t lcdRis_serial = lcdRis;
544    SERIALIZE_SCALAR(lcdRis_serial);
545
546    uint8_t lcdMis_serial = lcdMis;
547    SERIALIZE_SCALAR(lcdMis_serial);
548
549    SERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
550    SERIALIZE_ARRAY(cursorImage, CrsrImageSize);
551
552    SERIALIZE_SCALAR(clcdCrsrCtrl);
553    SERIALIZE_SCALAR(clcdCrsrConfig);
554    SERIALIZE_SCALAR(clcdCrsrPalette0);
555    SERIALIZE_SCALAR(clcdCrsrPalette1);
556    SERIALIZE_SCALAR(clcdCrsrXY);
557    SERIALIZE_SCALAR(clcdCrsrClip);
558
559    uint8_t clcdCrsrImsc_serial = clcdCrsrImsc;
560    SERIALIZE_SCALAR(clcdCrsrImsc_serial);
561
562    uint8_t clcdCrsrIcr_serial = clcdCrsrIcr;
563    SERIALIZE_SCALAR(clcdCrsrIcr_serial);
564
565    uint8_t clcdCrsrRis_serial = clcdCrsrRis;
566    SERIALIZE_SCALAR(clcdCrsrRis_serial);
567
568    uint8_t clcdCrsrMis_serial = clcdCrsrMis;
569    SERIALIZE_SCALAR(clcdCrsrMis_serial);
570
571    SERIALIZE_SCALAR(height);
572    SERIALIZE_SCALAR(width);
573    SERIALIZE_SCALAR(bytesPerPixel);
574
575    SERIALIZE_ARRAY(dmaBuffer, height * width);
576    SERIALIZE_SCALAR(startTime);
577    SERIALIZE_SCALAR(startAddr);
578    SERIALIZE_SCALAR(maxAddr);
579    SERIALIZE_SCALAR(curAddr);
580    SERIALIZE_SCALAR(waterMark);
581    SERIALIZE_SCALAR(dmaPendingNum);
582
583    Tick int_event_time = 0;
584    Tick read_event_time = 0;
585    Tick fill_fifo_event_time = 0;
586
587    if (readEvent.scheduled())
588        read_event_time = readEvent.when();
589    if (fillFifoEvent.scheduled())
590        fill_fifo_event_time = fillFifoEvent.when();
591    if (intEvent.scheduled())
592        int_event_time = intEvent.when();
593
594    SERIALIZE_SCALAR(read_event_time);
595    SERIALIZE_SCALAR(fill_fifo_event_time);
596    SERIALIZE_SCALAR(int_event_time);
597
598    vector<Tick> dma_done_event_tick;
599    dma_done_event_tick.resize(maxOutstandingDma);
600    for (int x = 0; x < maxOutstandingDma; x++) {
601        dma_done_event_tick[x] = dmaDoneEvent[x].scheduled() ?
602            dmaDoneEvent[x].when() : 0;
603    }
604    arrayParamOut(os, "dma_done_event_tick", dma_done_event_tick);
605}
606
607void
608Pl111::unserialize(Checkpoint *cp, const std::string &section)
609{
610    DPRINTF(PL111, "Unserializing ARM PL111\n");
611
612    uint32_t lcdTiming0_serial;
613    UNSERIALIZE_SCALAR(lcdTiming0_serial);
614    lcdTiming0 = lcdTiming0_serial;
615
616    uint32_t lcdTiming1_serial;
617    UNSERIALIZE_SCALAR(lcdTiming1_serial);
618    lcdTiming1 = lcdTiming1_serial;
619
620    uint32_t lcdTiming2_serial;
621    UNSERIALIZE_SCALAR(lcdTiming2_serial);
622    lcdTiming2 = lcdTiming2_serial;
623
624    uint32_t lcdTiming3_serial;
625    UNSERIALIZE_SCALAR(lcdTiming3_serial);
626    lcdTiming3 = lcdTiming3_serial;
627
628    UNSERIALIZE_SCALAR(lcdUpbase);
629    UNSERIALIZE_SCALAR(lcdLpbase);
630
631    uint32_t lcdControl_serial;
632    UNSERIALIZE_SCALAR(lcdControl_serial);
633    lcdControl = lcdControl_serial;
634
635    uint8_t lcdImsc_serial;
636    UNSERIALIZE_SCALAR(lcdImsc_serial);
637    lcdImsc = lcdImsc_serial;
638
639    uint8_t lcdRis_serial;
640    UNSERIALIZE_SCALAR(lcdRis_serial);
641    lcdRis = lcdRis_serial;
642
643    uint8_t lcdMis_serial;
644    UNSERIALIZE_SCALAR(lcdMis_serial);
645    lcdMis = lcdMis_serial;
646
647    UNSERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
648    UNSERIALIZE_ARRAY(cursorImage, CrsrImageSize);
649
650    UNSERIALIZE_SCALAR(clcdCrsrCtrl);
651    UNSERIALIZE_SCALAR(clcdCrsrConfig);
652    UNSERIALIZE_SCALAR(clcdCrsrPalette0);
653    UNSERIALIZE_SCALAR(clcdCrsrPalette1);
654    UNSERIALIZE_SCALAR(clcdCrsrXY);
655    UNSERIALIZE_SCALAR(clcdCrsrClip);
656
657    uint8_t clcdCrsrImsc_serial;
658    UNSERIALIZE_SCALAR(clcdCrsrImsc_serial);
659    clcdCrsrImsc = clcdCrsrImsc_serial;
660
661    uint8_t clcdCrsrIcr_serial;
662    UNSERIALIZE_SCALAR(clcdCrsrIcr_serial);
663    clcdCrsrIcr = clcdCrsrIcr_serial;
664
665    uint8_t clcdCrsrRis_serial;
666    UNSERIALIZE_SCALAR(clcdCrsrRis_serial);
667    clcdCrsrRis = clcdCrsrRis_serial;
668
669    uint8_t clcdCrsrMis_serial;
670    UNSERIALIZE_SCALAR(clcdCrsrMis_serial);
671    clcdCrsrMis = clcdCrsrMis_serial;
672
673    UNSERIALIZE_SCALAR(height);
674    UNSERIALIZE_SCALAR(width);
675    UNSERIALIZE_SCALAR(bytesPerPixel);
676
677    UNSERIALIZE_ARRAY(dmaBuffer, height * width);
678    UNSERIALIZE_SCALAR(startTime);
679    UNSERIALIZE_SCALAR(startAddr);
680    UNSERIALIZE_SCALAR(maxAddr);
681    UNSERIALIZE_SCALAR(curAddr);
682    UNSERIALIZE_SCALAR(waterMark);
683    UNSERIALIZE_SCALAR(dmaPendingNum);
684
685    Tick int_event_time = 0;
686    Tick read_event_time = 0;
687    Tick fill_fifo_event_time = 0;
688
689    UNSERIALIZE_SCALAR(read_event_time);
690    UNSERIALIZE_SCALAR(fill_fifo_event_time);
691    UNSERIALIZE_SCALAR(int_event_time);
692
693    if (int_event_time)
694        schedule(intEvent, int_event_time);
695    if (read_event_time)
696        schedule(readEvent, read_event_time);
697    if (fill_fifo_event_time)
698        schedule(fillFifoEvent, fill_fifo_event_time);
699
700    vector<Tick> dma_done_event_tick;
701    dma_done_event_tick.resize(maxOutstandingDma);
702    arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick);
703    for (int x = 0; x < maxOutstandingDma; x++) {
704        if (dma_done_event_tick[x])
705            schedule(dmaDoneEvent[x], dma_done_event_tick[x]);
706    }
707
708    if (lcdControl.lcdpwr) {
709        updateVideoParams();
710        if (vncserver)
711            vncserver->setDirty();
712    }
713}
714
715void
716Pl111::generateInterrupt()
717{
718    DPRINTF(PL111, "Generate Interrupt: lcdImsc=0x%x lcdRis=0x%x lcdMis=0x%x\n",
719            (uint32_t)lcdImsc, (uint32_t)lcdRis, (uint32_t)lcdMis);
720    lcdMis = lcdImsc & lcdRis;
721
722    if (lcdMis.underflow || lcdMis.baseaddr || lcdMis.vcomp || lcdMis.ahbmaster) {
723        gic->sendInt(intNum);
724        DPRINTF(PL111, " -- Generated\n");
725    }
726}
727
728AddrRangeList
729Pl111::getAddrRanges() const
730{
731    AddrRangeList ranges;
732    ranges.push_back(RangeSize(pioAddr, pioSize));
733    return ranges;
734}
735
736Pl111 *
737Pl111Params::create()
738{
739    return new Pl111(this);
740}
741
742
743