pl111.cc revision 10367 
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
58// initialize clcd registers
59Pl111::Pl111(const Params *p)
60    : AmbaDmaDevice(p), lcdTiming0(0), lcdTiming1(0), lcdTiming2(0),
61      lcdTiming3(0), lcdUpbase(0), lcdLpbase(0), lcdControl(0), lcdImsc(0),
62      lcdRis(0), lcdMis(0),
63      clcdCrsrCtrl(0), clcdCrsrConfig(0), clcdCrsrPalette0(0),
64      clcdCrsrPalette1(0), clcdCrsrXY(0), clcdCrsrClip(0), clcdCrsrImsc(0),
65      clcdCrsrIcr(0), clcdCrsrRis(0), clcdCrsrMis(0),
66      pixelClock(p->pixel_clock), vnc(p->vnc), bmp(NULL), pic(NULL),
67      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      dmaDoneEventAll(maxOutstandingDma, this),
71      dmaDoneEventFree(maxOutstandingDma),
72      intEvent(this), enableCapture(p->enable_capture)
73{
74    pioSize = 0xFFFF;
75
76    dmaBuffer = new uint8_t[buffer_size];
77
78    memset(lcdPalette, 0, sizeof(lcdPalette));
79    memset(cursorImage, 0, sizeof(cursorImage));
80    memset(dmaBuffer, 0, buffer_size);
81
82    for (int i = 0; i < maxOutstandingDma; ++i)
83        dmaDoneEventFree[i] = &dmaDoneEventAll[i];
84
85    if (vnc)
86        vnc->setFramebufferAddr(dmaBuffer);
87}
88
89Pl111::~Pl111()
90{
91    delete[] dmaBuffer;
92}
93
94// read registers and frame buffer
95Tick
96Pl111::read(PacketPtr pkt)
97{
98    // use a temporary data since the LCD registers are read/written with
99    // different size operations
100
101    uint32_t data = 0;
102
103    assert(pkt->getAddr() >= pioAddr &&
104           pkt->getAddr() < pioAddr + pioSize);
105
106    Addr daddr = pkt->getAddr() - pioAddr;
107    pkt->allocate();
108
109    DPRINTF(PL111, " read register %#x size=%d\n", daddr, pkt->getSize());
110
111    switch (daddr) {
112      case LcdTiming0:
113        data = lcdTiming0;
114        break;
115      case LcdTiming1:
116        data = lcdTiming1;
117        break;
118      case LcdTiming2:
119        data = lcdTiming2;
120        break;
121      case LcdTiming3:
122        data = lcdTiming3;
123        break;
124      case LcdUpBase:
125        data = lcdUpbase;
126        break;
127      case LcdLpBase:
128        data = lcdLpbase;
129        break;
130      case LcdControl:
131        data = lcdControl;
132        break;
133      case LcdImsc:
134        data = lcdImsc;
135        break;
136      case LcdRis:
137        data = lcdRis;
138        break;
139      case LcdMis:
140        data = lcdMis;
141        break;
142      case LcdIcr:
143        panic("LCD register at offset %#x is Write-Only\n", daddr);
144        break;
145      case LcdUpCurr:
146        data = curAddr;
147        break;
148      case LcdLpCurr:
149        data = curAddr;
150        break;
151      case ClcdCrsrCtrl:
152        data = clcdCrsrCtrl;
153        break;
154      case ClcdCrsrConfig:
155        data = clcdCrsrConfig;
156        break;
157      case ClcdCrsrPalette0:
158        data = clcdCrsrPalette0;
159        break;
160      case ClcdCrsrPalette1:
161        data = clcdCrsrPalette1;
162        break;
163      case ClcdCrsrXY:
164        data = clcdCrsrXY;
165        break;
166      case ClcdCrsrClip:
167        data = clcdCrsrClip;
168        break;
169      case ClcdCrsrImsc:
170        data = clcdCrsrImsc;
171        break;
172      case ClcdCrsrIcr:
173        panic("CLCD register at offset %#x is Write-Only\n", daddr);
174        break;
175      case ClcdCrsrRis:
176        data = clcdCrsrRis;
177        break;
178      case ClcdCrsrMis:
179        data = clcdCrsrMis;
180        break;
181      default:
182        if (readId(pkt, AMBA_ID, pioAddr)) {
183            // Hack for variable size accesses
184            data = pkt->get<uint32_t>();
185            break;
186        } else if (daddr >= CrsrImage && daddr <= 0xBFC) {
187            // CURSOR IMAGE
188            int index;
189            index = (daddr - CrsrImage) >> 2;
190            data= cursorImage[index];
191            break;
192        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
193            // LCD Palette
194            int index;
195            index = (daddr - LcdPalette) >> 2;
196            data = lcdPalette[index];
197            break;
198        } else {
199            panic("Tried to read CLCD register at offset %#x that "
200                       "doesn't exist\n", daddr);
201            break;
202        }
203    }
204
205    switch(pkt->getSize()) {
206      case 1:
207        pkt->set<uint8_t>(data);
208        break;
209      case 2:
210        pkt->set<uint16_t>(data);
211        break;
212      case 4:
213        pkt->set<uint32_t>(data);
214        break;
215      default:
216        panic("CLCD controller read size too big?\n");
217        break;
218    }
219
220    pkt->makeAtomicResponse();
221    return pioDelay;
222}
223
224// write registers and frame buffer
225Tick
226Pl111::write(PacketPtr pkt)
227{
228    // use a temporary data since the LCD registers are read/written with
229    // different size operations
230    //
231    uint32_t data = 0;
232
233    switch(pkt->getSize()) {
234      case 1:
235        data = pkt->get<uint8_t>();
236        break;
237      case 2:
238        data = pkt->get<uint16_t>();
239        break;
240      case 4:
241        data = pkt->get<uint32_t>();
242        break;
243      default:
244        panic("PL111 CLCD controller write size too big?\n");
245        break;
246    }
247
248    assert(pkt->getAddr() >= pioAddr &&
249           pkt->getAddr() < pioAddr + pioSize);
250
251    Addr daddr = pkt->getAddr() - pioAddr;
252
253    DPRINTF(PL111, " write register %#x value %#x size=%d\n", daddr,
254            pkt->get<uint8_t>(), pkt->getSize());
255
256    switch (daddr) {
257      case LcdTiming0:
258        lcdTiming0 = data;
259        // width = 16 * (PPL+1)
260        width = (lcdTiming0.ppl + 1) << 4;
261        break;
262      case LcdTiming1:
263        lcdTiming1 = data;
264        // height = LPP + 1
265        height = (lcdTiming1.lpp) + 1;
266        break;
267      case LcdTiming2:
268        lcdTiming2 = data;
269        break;
270      case LcdTiming3:
271        lcdTiming3 = data;
272        break;
273      case LcdUpBase:
274        lcdUpbase = data;
275        DPRINTF(PL111, "####### Upper panel base set to: %#x #######\n", lcdUpbase);
276        break;
277      case LcdLpBase:
278        warn_once("LCD dual screen mode not supported\n");
279        lcdLpbase = data;
280        DPRINTF(PL111, "###### Lower panel base set to: %#x #######\n", lcdLpbase);
281        break;
282      case LcdControl:
283        int old_lcdpwr;
284        old_lcdpwr = lcdControl.lcdpwr;
285        lcdControl = data;
286
287        DPRINTF(PL111, "LCD power is:%d\n", lcdControl.lcdpwr);
288
289        // LCD power enable
290        if (lcdControl.lcdpwr && !old_lcdpwr) {
291            updateVideoParams();
292            DPRINTF(PL111, " lcd size: height %d width %d\n", height, width);
293            waterMark = lcdControl.watermark ? 8 : 4;
294            startDma();
295        }
296        break;
297      case LcdImsc:
298        lcdImsc = data;
299        if (lcdImsc.vcomp)
300            panic("Interrupting on vcomp not supported\n");
301
302        lcdMis = lcdImsc & lcdRis;
303
304        if (!lcdMis)
305            gic->clearInt(intNum);
306
307         break;
308      case LcdRis:
309        panic("LCD register at offset %#x is Read-Only\n", daddr);
310        break;
311      case LcdMis:
312        panic("LCD register at offset %#x is Read-Only\n", daddr);
313        break;
314      case LcdIcr:
315        lcdRis = lcdRis & ~data;
316        lcdMis = lcdImsc & lcdRis;
317
318        if (!lcdMis)
319            gic->clearInt(intNum);
320
321        break;
322      case LcdUpCurr:
323        panic("LCD register at offset %#x is Read-Only\n", daddr);
324        break;
325      case LcdLpCurr:
326        panic("LCD register at offset %#x is Read-Only\n", daddr);
327        break;
328      case ClcdCrsrCtrl:
329        clcdCrsrCtrl = data;
330        break;
331      case ClcdCrsrConfig:
332        clcdCrsrConfig = data;
333        break;
334      case ClcdCrsrPalette0:
335        clcdCrsrPalette0 = data;
336        break;
337      case ClcdCrsrPalette1:
338        clcdCrsrPalette1 = data;
339        break;
340      case ClcdCrsrXY:
341        clcdCrsrXY = data;
342        break;
343      case ClcdCrsrClip:
344        clcdCrsrClip = data;
345        break;
346      case ClcdCrsrImsc:
347        clcdCrsrImsc = data;
348        break;
349      case ClcdCrsrIcr:
350        clcdCrsrIcr = data;
351        break;
352      case ClcdCrsrRis:
353        panic("CLCD register at offset %#x is Read-Only\n", daddr);
354        break;
355      case ClcdCrsrMis:
356        panic("CLCD register at offset %#x is Read-Only\n", daddr);
357        break;
358      default:
359        if (daddr >= CrsrImage && daddr <= 0xBFC) {
360            // CURSOR IMAGE
361            int index;
362            index = (daddr - CrsrImage) >> 2;
363            cursorImage[index] = data;
364            break;
365        } else if (daddr >= LcdPalette && daddr <= 0x3FC) {
366            // LCD Palette
367            int index;
368            index = (daddr - LcdPalette) >> 2;
369            lcdPalette[index] = data;
370            break;
371        } else {
372            panic("Tried to write PL111 register at offset %#x that "
373                       "doesn't exist\n", daddr);
374            break;
375        }
376    }
377
378    pkt->makeAtomicResponse();
379    return pioDelay;
380}
381
382void
383Pl111::updateVideoParams()
384{
385        if (lcdControl.lcdbpp == bpp24) {
386            bytesPerPixel = 4;
387        } else if (lcdControl.lcdbpp == bpp16m565) {
388            bytesPerPixel = 2;
389        }
390
391        if (vnc) {
392            if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
393                vnc->setFrameBufferParams(VideoConvert::bgr8888, width,
394                       height);
395            else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
396                vnc->setFrameBufferParams(VideoConvert::rgb8888, width,
397                       height);
398            else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
399                vnc->setFrameBufferParams(VideoConvert::bgr565, width,
400                       height);
401            else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
402                vnc->setFrameBufferParams(VideoConvert::rgb565, width,
403                       height);
404            else
405                panic("Unimplemented video mode\n");
406        }
407
408        if (bmp)
409            delete bmp;
410
411        if (lcdControl.lcdbpp == bpp24 && lcdControl.bgr)
412            bmp = new Bitmap(VideoConvert::bgr8888, width, height, dmaBuffer);
413        else if (lcdControl.lcdbpp == bpp24 && !lcdControl.bgr)
414            bmp = new Bitmap(VideoConvert::rgb8888, width, height, dmaBuffer);
415        else if (lcdControl.lcdbpp == bpp16m565 && lcdControl.bgr)
416            bmp = new Bitmap(VideoConvert::bgr565, width, height, dmaBuffer);
417        else if (lcdControl.lcdbpp == bpp16m565 && !lcdControl.bgr)
418            bmp = new Bitmap(VideoConvert::rgb565, width, height, dmaBuffer);
419        else
420            panic("Unimplemented video mode\n");
421}
422
423void
424Pl111::startDma()
425{
426    if (dmaPendingNum != 0 || readEvent.scheduled())
427        return;
428    readFramebuffer();
429}
430
431void
432Pl111::readFramebuffer()
433{
434    // initialization for dma read from frame buffer to dma buffer
435    uint32_t length = height * width;
436    if (startAddr != lcdUpbase)
437        startAddr = lcdUpbase;
438
439    // Updating base address, interrupt if we're supposed to
440    lcdRis.baseaddr = 1;
441    if (!intEvent.scheduled())
442        schedule(intEvent, clockEdge());
443
444    curAddr = 0;
445    startTime = curTick();
446
447    maxAddr = static_cast<Addr>(length * bytesPerPixel);
448
449    DPRINTF(PL111, " lcd frame buffer size of %d bytes \n", maxAddr);
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(!dmaDoneEventFree.empty());
463        DmaDoneEvent *event(dmaDoneEventFree.back());
464        dmaDoneEventFree.pop_back();
465        assert(!event->scheduled());
466
467        // We use a uncachable request here because the requests from the CPU
468        // will be uncacheable as well. If we have uncacheable and cacheable
469        // requests in the memory system for the same address it won't be
470        // pleased
471        dmaPort.dmaAction(MemCmd::ReadReq, curAddr + startAddr, dmaSize,
472                          event, curAddr + dmaBuffer,
473                          0, Request::UNCACHEABLE);
474        curAddr += dmaSize;
475    }
476}
477
478void
479Pl111::dmaDone()
480{
481    DPRINTF(PL111, "DMA Done\n");
482
483    Tick maxFrameTime = lcdTiming2.cpl * height * pixelClock;
484
485    --dmaPendingNum;
486
487    if (maxAddr == curAddr && !dmaPendingNum) {
488        if ((curTick() - startTime) > maxFrameTime) {
489            warn("CLCD controller buffer underrun, took %d ticks when should"
490                 " have taken %d\n", curTick() - startTime, maxFrameTime);
491            lcdRis.underflow = 1;
492            if (!intEvent.scheduled())
493                schedule(intEvent, clockEdge());
494        }
495
496        assert(!readEvent.scheduled());
497        if (vnc)
498            vnc->setDirty();
499
500        if (enableCapture) {
501            DPRINTF(PL111, "-- write out frame buffer into bmp\n");
502
503            if (!pic)
504                pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
505
506            assert(bmp);
507            assert(pic);
508            pic->seekp(0);
509            bmp->write(pic);
510        }
511
512        // schedule the next read based on when the last frame started
513        // and the desired fps (i.e. maxFrameTime), we turn the
514        // argument into a relative number of cycles in the future
515        if (lcdControl.lcden)
516            schedule(readEvent, clockEdge(ticksToCycles(startTime -
517                                                        curTick() +
518                                                        maxFrameTime)));
519    }
520
521    if (dmaPendingNum > (maxOutstandingDma - waterMark))
522        return;
523
524    if (!fillFifoEvent.scheduled())
525        schedule(fillFifoEvent, clockEdge());
526}
527
528void
529Pl111::serialize(std::ostream &os)
530{
531    DPRINTF(PL111, "Serializing ARM PL111\n");
532
533    uint32_t lcdTiming0_serial = lcdTiming0;
534    SERIALIZE_SCALAR(lcdTiming0_serial);
535
536    uint32_t lcdTiming1_serial = lcdTiming1;
537    SERIALIZE_SCALAR(lcdTiming1_serial);
538
539    uint32_t lcdTiming2_serial = lcdTiming2;
540    SERIALIZE_SCALAR(lcdTiming2_serial);
541
542    uint32_t lcdTiming3_serial = lcdTiming3;
543    SERIALIZE_SCALAR(lcdTiming3_serial);
544
545    SERIALIZE_SCALAR(lcdUpbase);
546    SERIALIZE_SCALAR(lcdLpbase);
547
548    uint32_t lcdControl_serial = lcdControl;
549    SERIALIZE_SCALAR(lcdControl_serial);
550
551    uint8_t lcdImsc_serial = lcdImsc;
552    SERIALIZE_SCALAR(lcdImsc_serial);
553
554    uint8_t lcdRis_serial = lcdRis;
555    SERIALIZE_SCALAR(lcdRis_serial);
556
557    uint8_t lcdMis_serial = lcdMis;
558    SERIALIZE_SCALAR(lcdMis_serial);
559
560    SERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
561    SERIALIZE_ARRAY(cursorImage, CrsrImageSize);
562
563    SERIALIZE_SCALAR(clcdCrsrCtrl);
564    SERIALIZE_SCALAR(clcdCrsrConfig);
565    SERIALIZE_SCALAR(clcdCrsrPalette0);
566    SERIALIZE_SCALAR(clcdCrsrPalette1);
567    SERIALIZE_SCALAR(clcdCrsrXY);
568    SERIALIZE_SCALAR(clcdCrsrClip);
569
570    uint8_t clcdCrsrImsc_serial = clcdCrsrImsc;
571    SERIALIZE_SCALAR(clcdCrsrImsc_serial);
572
573    uint8_t clcdCrsrIcr_serial = clcdCrsrIcr;
574    SERIALIZE_SCALAR(clcdCrsrIcr_serial);
575
576    uint8_t clcdCrsrRis_serial = clcdCrsrRis;
577    SERIALIZE_SCALAR(clcdCrsrRis_serial);
578
579    uint8_t clcdCrsrMis_serial = clcdCrsrMis;
580    SERIALIZE_SCALAR(clcdCrsrMis_serial);
581
582    SERIALIZE_SCALAR(height);
583    SERIALIZE_SCALAR(width);
584    SERIALIZE_SCALAR(bytesPerPixel);
585
586    SERIALIZE_ARRAY(dmaBuffer, buffer_size);
587    SERIALIZE_SCALAR(startTime);
588    SERIALIZE_SCALAR(startAddr);
589    SERIALIZE_SCALAR(maxAddr);
590    SERIALIZE_SCALAR(curAddr);
591    SERIALIZE_SCALAR(waterMark);
592    SERIALIZE_SCALAR(dmaPendingNum);
593
594    Tick int_event_time = 0;
595    Tick read_event_time = 0;
596    Tick fill_fifo_event_time = 0;
597
598    if (readEvent.scheduled())
599        read_event_time = readEvent.when();
600    if (fillFifoEvent.scheduled())
601        fill_fifo_event_time = fillFifoEvent.when();
602    if (intEvent.scheduled())
603        int_event_time = intEvent.when();
604
605    SERIALIZE_SCALAR(read_event_time);
606    SERIALIZE_SCALAR(fill_fifo_event_time);
607    SERIALIZE_SCALAR(int_event_time);
608
609    vector<Tick> dma_done_event_tick;
610    dma_done_event_tick.resize(maxOutstandingDma);
611    for (int x = 0; x < maxOutstandingDma; x++) {
612        dma_done_event_tick[x] = dmaDoneEventAll[x].scheduled() ?
613            dmaDoneEventAll[x].when() : 0;
614    }
615    arrayParamOut(os, "dma_done_event_tick", dma_done_event_tick);
616}
617
618void
619Pl111::unserialize(Checkpoint *cp, const std::string &section)
620{
621    DPRINTF(PL111, "Unserializing ARM PL111\n");
622
623    uint32_t lcdTiming0_serial;
624    UNSERIALIZE_SCALAR(lcdTiming0_serial);
625    lcdTiming0 = lcdTiming0_serial;
626
627    uint32_t lcdTiming1_serial;
628    UNSERIALIZE_SCALAR(lcdTiming1_serial);
629    lcdTiming1 = lcdTiming1_serial;
630
631    uint32_t lcdTiming2_serial;
632    UNSERIALIZE_SCALAR(lcdTiming2_serial);
633    lcdTiming2 = lcdTiming2_serial;
634
635    uint32_t lcdTiming3_serial;
636    UNSERIALIZE_SCALAR(lcdTiming3_serial);
637    lcdTiming3 = lcdTiming3_serial;
638
639    UNSERIALIZE_SCALAR(lcdUpbase);
640    UNSERIALIZE_SCALAR(lcdLpbase);
641
642    uint32_t lcdControl_serial;
643    UNSERIALIZE_SCALAR(lcdControl_serial);
644    lcdControl = lcdControl_serial;
645
646    uint8_t lcdImsc_serial;
647    UNSERIALIZE_SCALAR(lcdImsc_serial);
648    lcdImsc = lcdImsc_serial;
649
650    uint8_t lcdRis_serial;
651    UNSERIALIZE_SCALAR(lcdRis_serial);
652    lcdRis = lcdRis_serial;
653
654    uint8_t lcdMis_serial;
655    UNSERIALIZE_SCALAR(lcdMis_serial);
656    lcdMis = lcdMis_serial;
657
658    UNSERIALIZE_ARRAY(lcdPalette, LcdPaletteSize);
659    UNSERIALIZE_ARRAY(cursorImage, CrsrImageSize);
660
661    UNSERIALIZE_SCALAR(clcdCrsrCtrl);
662    UNSERIALIZE_SCALAR(clcdCrsrConfig);
663    UNSERIALIZE_SCALAR(clcdCrsrPalette0);
664    UNSERIALIZE_SCALAR(clcdCrsrPalette1);
665    UNSERIALIZE_SCALAR(clcdCrsrXY);
666    UNSERIALIZE_SCALAR(clcdCrsrClip);
667
668    uint8_t clcdCrsrImsc_serial;
669    UNSERIALIZE_SCALAR(clcdCrsrImsc_serial);
670    clcdCrsrImsc = clcdCrsrImsc_serial;
671
672    uint8_t clcdCrsrIcr_serial;
673    UNSERIALIZE_SCALAR(clcdCrsrIcr_serial);
674    clcdCrsrIcr = clcdCrsrIcr_serial;
675
676    uint8_t clcdCrsrRis_serial;
677    UNSERIALIZE_SCALAR(clcdCrsrRis_serial);
678    clcdCrsrRis = clcdCrsrRis_serial;
679
680    uint8_t clcdCrsrMis_serial;
681    UNSERIALIZE_SCALAR(clcdCrsrMis_serial);
682    clcdCrsrMis = clcdCrsrMis_serial;
683
684    UNSERIALIZE_SCALAR(height);
685    UNSERIALIZE_SCALAR(width);
686    UNSERIALIZE_SCALAR(bytesPerPixel);
687
688    UNSERIALIZE_ARRAY(dmaBuffer, buffer_size);
689    UNSERIALIZE_SCALAR(startTime);
690    UNSERIALIZE_SCALAR(startAddr);
691    UNSERIALIZE_SCALAR(maxAddr);
692    UNSERIALIZE_SCALAR(curAddr);
693    UNSERIALIZE_SCALAR(waterMark);
694    UNSERIALIZE_SCALAR(dmaPendingNum);
695
696    Tick int_event_time = 0;
697    Tick read_event_time = 0;
698    Tick fill_fifo_event_time = 0;
699
700    UNSERIALIZE_SCALAR(read_event_time);
701    UNSERIALIZE_SCALAR(fill_fifo_event_time);
702    UNSERIALIZE_SCALAR(int_event_time);
703
704    if (int_event_time)
705        schedule(intEvent, int_event_time);
706    if (read_event_time)
707        schedule(readEvent, read_event_time);
708    if (fill_fifo_event_time)
709        schedule(fillFifoEvent, fill_fifo_event_time);
710
711    vector<Tick> dma_done_event_tick;
712    dma_done_event_tick.resize(maxOutstandingDma);
713    arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick);
714    dmaDoneEventFree.clear();
715    for (int x = 0; x < maxOutstandingDma; x++) {
716        if (dma_done_event_tick[x])
717            schedule(dmaDoneEventAll[x], dma_done_event_tick[x]);
718        else
719            dmaDoneEventFree.push_back(&dmaDoneEventAll[x]);
720    }
721    assert(maxOutstandingDma - dmaDoneEventFree.size() == dmaPendingNum);
722
723    if (lcdControl.lcdpwr) {
724        updateVideoParams();
725        if (vnc)
726            vnc->setDirty();
727    }
728}
729
730void
731Pl111::generateInterrupt()
732{
733    DPRINTF(PL111, "Generate Interrupt: lcdImsc=0x%x lcdRis=0x%x lcdMis=0x%x\n",
734            (uint32_t)lcdImsc, (uint32_t)lcdRis, (uint32_t)lcdMis);
735    lcdMis = lcdImsc & lcdRis;
736
737    if (lcdMis.underflow || lcdMis.baseaddr || lcdMis.vcomp || lcdMis.ahbmaster) {
738        gic->sendInt(intNum);
739        DPRINTF(PL111, " -- Generated\n");
740    }
741}
742
743AddrRangeList
744Pl111::getAddrRanges() const
745{
746    AddrRangeList ranges;
747    ranges.push_back(RangeSize(pioAddr, pioSize));
748    return ranges;
749}
750
751Pl111 *
752Pl111Params::create()
753{
754    return new Pl111(this);
755}
756
757
758