2013-04-22 19:20:31 +02:00
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/*
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* Copyright (c) 2010-2013 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Chris Emmons
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*/
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#include "base/vnc/vncinput.hh"
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#include "base/bitmap.hh"
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#include "base/output.hh"
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#include "base/trace.hh"
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#include "debug/HDLcd.hh"
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#include "debug/Uart.hh"
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#include "dev/arm/amba_device.hh"
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#include "dev/arm/base_gic.hh"
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#include "dev/arm/hdlcd.hh"
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#include "mem/packet.hh"
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#include "mem/packet_access.hh"
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#include "sim/system.hh"
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using std::vector;
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// initialize hdlcd registers
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HDLcd::HDLcd(const Params *p)
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: AmbaDmaDevice(p), version(VERSION_RESETV),
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int_rawstat(0), int_clear(0), int_mask(0), int_status(0),
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fb_base(0), fb_line_length(0), fb_line_count(0), fb_line_pitch(0),
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bus_options(BUS_OPTIONS_RESETV),
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v_sync(0), v_back_porch(0), v_data(0), v_front_porch(0),
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h_sync(0), h_back_porch(0), h_data(0), h_front_porch(0),
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polarities(0), command(0), pixel_format(0),
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red_select(0), green_select(0), blue_select(0),
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pixelClock(p->pixel_clock), vnc(p->vnc), bmp(NULL), pic(NULL),
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frameReadStartTime(0),
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dmaStartAddr(0), dmaCurAddr(0), dmaMaxAddr(0), dmaPendingNum(0),
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frameUnderrun(false), virtualDisplayBuffer(NULL), pixelBufferSize(0),
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pixelIndex(0), doUpdateParams(false), frameUnderway(false),
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dmaBytesInFlight(0),
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startFrameEvent(this), endFrameEvent(this), renderPixelEvent(this),
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fillPixelBufferEvent(this), intEvent(this),
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dmaDoneEventAll(MAX_OUTSTANDING_DMA_REQ_CAPACITY, this),
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2013-10-17 17:20:45 +02:00
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dmaDoneEventFree(MAX_OUTSTANDING_DMA_REQ_CAPACITY),
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enableCapture(p->enable_capture)
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2013-04-22 19:20:31 +02:00
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{
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pioSize = 0xFFFF;
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for (int i = 0; i < MAX_OUTSTANDING_DMA_REQ_CAPACITY; ++i)
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dmaDoneEventFree[i] = &dmaDoneEventAll[i];
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if (vnc)
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vnc->setFramebufferAddr(NULL);
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}
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HDLcd::~HDLcd()
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{
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if (virtualDisplayBuffer)
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delete [] virtualDisplayBuffer;
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}
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// read registers and frame buffer
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Tick
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HDLcd::read(PacketPtr pkt)
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{
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uint32_t data = 0;
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const Addr daddr = pkt->getAddr() - pioAddr;
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DPRINTF(HDLcd, "read register BASE+0x%04x size=%d\n", daddr,
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pkt->getSize());
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assert(pkt->getAddr() >= pioAddr &&
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pkt->getAddr() < pioAddr + pioSize &&
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pkt->getSize() == 4);
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switch (daddr) {
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case Version:
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data = version;
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break;
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case Int_RawStat:
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data = int_rawstat;
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break;
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case Int_Clear:
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panic("HDLCD INT_CLEAR register is Write-Only\n");
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break;
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case Int_Mask:
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data = int_mask;
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break;
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case Int_Status:
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data = int_status;
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break;
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case Fb_Base:
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data = fb_base;
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break;
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case Fb_Line_Length:
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data = fb_line_length;
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break;
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case Fb_Line_Count:
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data = fb_line_count;
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break;
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case Fb_Line_Pitch:
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data = fb_line_pitch;
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break;
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case Bus_Options:
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data = bus_options;
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break;
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case V_Sync:
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data = v_sync;
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break;
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case V_Back_Porch:
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data = v_back_porch;
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break;
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case V_Data:
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data = v_data;
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break;
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case V_Front_Porch:
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data = v_front_porch;
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break;
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case H_Sync:
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data = h_sync;
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break;
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case H_Back_Porch:
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data = h_back_porch;
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break;
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case H_Data:
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data = h_data;
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break;
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case H_Front_Porch:
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data = h_front_porch;
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break;
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case Polarities:
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data = polarities;
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break;
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case Command:
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data = command;
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break;
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case Pixel_Format:
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data = pixel_format;
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break;
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case Red_Select:
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data = red_select;
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break;
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case Green_Select:
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data = green_select;
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break;
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case Blue_Select:
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data = blue_select;
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break;
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default:
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panic("Tried to read HDLCD register that doesn't exist\n", daddr);
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break;
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}
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pkt->set<uint32_t>(data);
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pkt->makeAtomicResponse();
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return pioDelay;
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}
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// write registers and frame buffer
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Tick
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HDLcd::write(PacketPtr pkt)
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{
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assert(pkt->getAddr() >= pioAddr &&
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pkt->getAddr() < pioAddr + pioSize &&
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pkt->getSize() == 4);
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const uint32_t data = pkt->get<uint32_t>();
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const Addr daddr = pkt->getAddr() - pioAddr;
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DPRINTF(HDLcd, "write register BASE+%0x04x <= 0x%08x\n", daddr,
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pkt->get<uint32_t>());
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switch (daddr) {
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case Version:
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panic("HDLCD VERSION register is read-Only\n");
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break;
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case Int_RawStat:
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int_rawstat = data;
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break;
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case Int_Clear:
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int_clear = data;
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break;
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case Int_Mask:
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int_mask = data;
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break;
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case Int_Status:
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panic("HDLCD INT_STATUS register is read-Only\n");
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break;
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case Fb_Base:
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fb_base = data;
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DPRINTF(HDLcd, "HDLCD Frame Buffer located at addr 0x%08x\n", fb_base);
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break;
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case Fb_Line_Length:
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fb_line_length = data;
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DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height());
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break;
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case Fb_Line_Count:
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fb_line_count = data;
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DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height());
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break;
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case Fb_Line_Pitch:
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fb_line_pitch = data;
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break;
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case Bus_Options: {
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BusOptsReg old_bus_options;
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old_bus_options = bus_options;
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bus_options = data;
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if (bus_options.max_outstanding != old_bus_options.max_outstanding)
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DPRINTF(HDLcd,
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"Changing HDLcd outstanding dma transactions from %d to %d\n",
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old_bus_options.max_outstanding, bus_options.max_outstanding);
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if (bus_options.burst_len != old_bus_options.burst_len)
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DPRINTF(HDLcd,
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"Changing HDLcd dma burst length from %d bytes to %d bytes\n",
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old_bus_options.burst_len, bus_options.burst_len); }
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break;
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case V_Sync:
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v_sync = data;
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break;
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case V_Back_Porch:
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v_back_porch = data;
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break;
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case V_Data:
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v_data = data;
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break;
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case V_Front_Porch:
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v_front_porch = data;
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break;
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case H_Sync:
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h_sync = data;
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break;
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case H_Back_Porch:
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h_back_porch = data;
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break;
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case H_Data:
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h_data = data;
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break;
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case H_Front_Porch:
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h_front_porch = data;
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break;
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case Polarities:
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polarities = data;
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break;
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case Command: {
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CommandReg new_command;
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new_command = data;
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if (new_command.enable != command.enable) {
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DPRINTF(HDLcd, "HDLCD switched %s\n",
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new_command.enable==0 ? "off" : "on");
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if (new_command.enable) {
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doUpdateParams = true;
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if (!frameUnderway) {
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2013-04-22 19:20:31 +02:00
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schedule(startFrameEvent, clockEdge());
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2013-04-22 19:20:31 +02:00
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}
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}
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}
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command = new_command; }
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break;
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case Pixel_Format:
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pixel_format = data;
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DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height());
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DPRINTF(HDLcd, "HDLCD bytes per pixel = %d\n", bytesPerPixel());
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DPRINTF(HDLcd, "HDLCD endianness = %s\n",
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pixel_format.big_endian ? "big" : "little");
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break;
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case Red_Select:
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red_select = data;
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break;
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case Green_Select:
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green_select = data;
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break;
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case Blue_Select:
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blue_select = data;
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break;
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default:
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panic("Tried to write HDLCD register that doesn't exist\n", daddr);
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break;
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}
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pkt->makeAtomicResponse();
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return pioDelay;
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}
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void
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HDLcd::updateVideoParams(bool unserializing = false)
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{
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const uint16_t bpp = bytesPerPixel() << 3;
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const size_t buffer_size = bytesPerPixel() * width() * height();
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// updating these parameters while LCD is enabled is not supported
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if (frameUnderway && !unserializing)
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panic("Attempting to change some HDLCD parameters while the controller"
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" is active is not allowed");
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// resize the virtualDisplayBuffer unless we are unserializing - it may
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// have changed size
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// there must be no outstanding DMA transactions for this to work
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if (!unserializing) {
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assert(dmaPendingNum == 0);
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if (virtualDisplayBuffer)
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delete [] virtualDisplayBuffer;
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virtualDisplayBuffer = new uint8_t[buffer_size];
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memset(virtualDisplayBuffer, 0, buffer_size);
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}
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assert(virtualDisplayBuffer);
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if (vnc)
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vnc->setFramebufferAddr(virtualDisplayBuffer);
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if (bmp)
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delete bmp;
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DPRINTF(HDLcd, "bpp = %d\n", bpp);
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DPRINTF(HDLcd, "display size = %d x %d\n", width(), height());
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#if TRACING_ON
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const size_t totalLinesPerFrame = v_back_porch.val + 1 +
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v_data.val + 1 +
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v_front_porch.val + 1 +
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v_sync.val + 1;
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const double fps = (double)SimClock::Frequency /
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(double)(PClksPerLine() * totalLinesPerFrame * pixelClock);
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#endif
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DPRINTF(HDLcd, "simulated refresh rate ~ %.1ffps generating ~ %.1fMB/s "
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"traffic ([%.1fMHz, T=%d sim clocks] pclk, %d bpp => %.1fMB/s peak requirement)\n",
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fps,
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fps * buffer_size / 1024 / 1024,
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(double)SimClock::Frequency / pixelClock / 1000000.0,
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pixelClock,
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bpp,
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(double)(SimClock::Frequency / pixelClock * (bpp / 8)) / 1024 / 1024);
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if (pixel_format.big_endian)
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panic("Big Endian pixel format not implemented by HDLcd controller");
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if (vnc) {
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if ((bpp == 24) &&
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(red_select.size == 8) &&
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|
(blue_select.size == 8) &&
|
|
|
|
(green_select.size == 8) &&
|
|
|
|
(green_select.offset == 8)) {
|
|
|
|
if ((blue_select.offset == 0) &&
|
|
|
|
(red_select.offset == 16)) {
|
|
|
|
vnc->setFrameBufferParams(VideoConvert::rgb8888, width(),
|
|
|
|
height());
|
|
|
|
bmp = new Bitmap(VideoConvert::rgb8888, width(), height(),
|
|
|
|
virtualDisplayBuffer);
|
|
|
|
DPRINTF(HDLcd, "color mode: rgb888\n");
|
|
|
|
} else if ((red_select.offset == 0) &&
|
|
|
|
(blue_select.offset == 16)) {
|
|
|
|
vnc->setFrameBufferParams(VideoConvert::bgr8888, width(),
|
|
|
|
height());
|
|
|
|
bmp = new Bitmap(VideoConvert::bgr8888, width(), height(),
|
|
|
|
virtualDisplayBuffer);
|
|
|
|
DPRINTF(HDLcd, "color mode: bgr888\n");
|
|
|
|
}
|
|
|
|
} else if ((bpp == 16) &&
|
|
|
|
(red_select.size == 5) &&
|
|
|
|
(blue_select.size == 5) &&
|
|
|
|
(green_select.size == 6) &&
|
|
|
|
(green_select.offset == 5)) {
|
|
|
|
if ((blue_select.offset == 0) &&
|
|
|
|
(red_select.offset == 11)) {
|
|
|
|
vnc->setFrameBufferParams(VideoConvert::rgb565, width(),
|
|
|
|
height());
|
|
|
|
bmp = new Bitmap(VideoConvert::rgb565, width(), height(),
|
|
|
|
virtualDisplayBuffer);
|
|
|
|
DPRINTF(HDLcd, "color mode: rgb565\n");
|
|
|
|
} else if ((red_select.offset == 0) &&
|
|
|
|
(blue_select.offset == 11)) {
|
|
|
|
vnc->setFrameBufferParams(VideoConvert::bgr565, width(),
|
|
|
|
height());
|
|
|
|
bmp = new Bitmap(VideoConvert::bgr565, width(), height(),
|
|
|
|
virtualDisplayBuffer);
|
|
|
|
DPRINTF(HDLcd, "color mode: bgr565\n");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
DPRINTF(HDLcd, "color mode: undefined\n");
|
|
|
|
panic("Unimplemented video mode\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::startFrame()
|
|
|
|
{
|
|
|
|
// 0. Check that we are in the appropriate state
|
|
|
|
assert(!frameUnderway);
|
|
|
|
if (!command.enable)
|
|
|
|
return;
|
|
|
|
DPRINTF(HDLcd, "Frame read started\n");
|
|
|
|
if (doUpdateParams) {
|
|
|
|
updateVideoParams();
|
|
|
|
doUpdateParams = false;
|
|
|
|
}
|
|
|
|
frameUnderway = true;
|
|
|
|
assert(virtualDisplayBuffer);
|
|
|
|
assert(pixelBufferSize == 0);
|
|
|
|
assert(dmaBytesInFlight == 0);
|
|
|
|
assert(dmaPendingNum == 0);
|
|
|
|
assert(dmaDoneEventFree.size() == dmaDoneEventAll.size());
|
|
|
|
assert(!renderPixelEvent.scheduled());
|
|
|
|
// currently only support positive line pitches equal to the line length
|
|
|
|
assert(width() * bytesPerPixel() == fb_line_pitch);
|
|
|
|
|
|
|
|
// 1. Start DMA'ing the frame; subsequent transactions created as we go
|
|
|
|
dmaCurAddr = dmaStartAddr = fb_base;
|
|
|
|
dmaMaxAddr = static_cast<Addr>(width() * height() * bytesPerPixel()) +
|
|
|
|
dmaCurAddr;
|
|
|
|
frameReadStartTime = curTick();
|
|
|
|
pixelIndex = 0;
|
|
|
|
frameUnderrun = false;
|
|
|
|
fillPixelBuffer();
|
|
|
|
|
|
|
|
// 2. Schedule first pixelclock read; subsequent reads generated as we go
|
|
|
|
Tick firstPixelReadTick = curTick() + pixelClock * (
|
|
|
|
PClksPerLine() * (v_sync.val + 1 +
|
|
|
|
v_back_porch.val + 1) +
|
|
|
|
h_sync.val + 1 +
|
|
|
|
h_back_porch.val + 1);
|
|
|
|
schedule(renderPixelEvent, firstPixelReadTick);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::fillPixelBuffer()
|
|
|
|
{
|
|
|
|
// - am I under the LCD dma transaction total?
|
|
|
|
// - do I have more data to transfer?
|
|
|
|
// - have I not yet underrun for this frame?
|
|
|
|
// - is there room to put the data in the pixel buffer including any
|
|
|
|
// outstanding dma transfers in flight?
|
|
|
|
while ((dmaPendingNum < maxOutstandingDma()) &&
|
|
|
|
(dmaMaxAddr > dmaCurAddr) &&
|
|
|
|
!frameUnderrun &&
|
|
|
|
bytesFreeInPixelBuffer() > dmaBurstLength() * AXI_PORT_WIDTH) {
|
|
|
|
// try largest transaction size allowed first but switch to smaller
|
|
|
|
// sizes for trailing bytes
|
|
|
|
size_t transaction_size = dmaBurstLength() * AXI_PORT_WIDTH;
|
|
|
|
while (transaction_size > (dmaMaxAddr - dmaCurAddr))
|
|
|
|
transaction_size >>= 1;
|
|
|
|
assert(transaction_size > 0);
|
|
|
|
|
|
|
|
// 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);
|
|
|
|
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
|
|
|
|
event->setTransactionSize(transaction_size);
|
|
|
|
dmaPort.dmaAction(MemCmd::ReadReq, dmaCurAddr, transaction_size, event,
|
|
|
|
virtualDisplayBuffer + dmaCurAddr - dmaStartAddr,
|
|
|
|
0, Request::UNCACHEABLE);
|
|
|
|
dmaCurAddr += transaction_size;
|
|
|
|
dmaBytesInFlight += transaction_size;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::renderPixel()
|
|
|
|
{
|
|
|
|
// try to handle multiple pixels at a time; doing so reduces the accuracy
|
|
|
|
// of the underrun detection but lowers simulation overhead
|
|
|
|
const size_t count = 32;
|
|
|
|
assert(width() % count == 0); // not set up to handle trailing pixels
|
|
|
|
|
|
|
|
// have we underrun on this frame anytime before?
|
|
|
|
if (frameUnderrun) {
|
|
|
|
// the LCD controller gives up on a frame if an underrun occurs and
|
|
|
|
// resumes regular operation on the next frame
|
|
|
|
pixelBufferSize = 0;
|
|
|
|
} else {
|
|
|
|
// did we underrun on this set of pixels?
|
|
|
|
if (pixelBufferSize < bytesPerPixel() * count) {
|
|
|
|
warn("HDLcd controller buffer underrun\n");
|
|
|
|
frameUnderrun = true;
|
|
|
|
int_rawstat.underrun = 1;
|
|
|
|
if (!intEvent.scheduled())
|
2013-04-22 19:20:31 +02:00
|
|
|
schedule(intEvent, clockEdge());
|
2013-04-22 19:20:31 +02:00
|
|
|
} else {
|
|
|
|
// emulate the pixel read from the internal buffer
|
|
|
|
pixelBufferSize -= bytesPerPixel() * count;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// the DMA may have previously stalled due to the buffer being full;
|
|
|
|
// give it a kick; it knows not to fill if at end of frame, underrun, etc
|
|
|
|
if (!fillPixelBufferEvent.scheduled())
|
2013-04-22 19:20:31 +02:00
|
|
|
schedule(fillPixelBufferEvent, clockEdge());
|
2013-04-22 19:20:31 +02:00
|
|
|
|
|
|
|
// schedule the next pixel read according to where it is in the frame
|
|
|
|
pixelIndex += count;
|
|
|
|
assert(pixelIndex <= width() * height());
|
|
|
|
size_t x = pixelIndex % width();
|
|
|
|
Tick nextEventTick = curTick();
|
|
|
|
if (x == 0) {
|
|
|
|
// start of new line
|
|
|
|
nextEventTick += pixelClock * ((h_front_porch.val + 1) +
|
|
|
|
(h_back_porch.val + 1) +
|
|
|
|
(h_sync.val + 1));
|
|
|
|
if (pixelIndex == width() * height()) {
|
|
|
|
// end of frame
|
|
|
|
nextEventTick += PClksPerLine() * (v_front_porch.val + 1) *
|
|
|
|
pixelClock;
|
|
|
|
schedule(endFrameEvent, nextEventTick);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
nextEventTick += pixelClock * count;
|
|
|
|
}
|
|
|
|
|
|
|
|
schedule(renderPixelEvent, nextEventTick);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::endFrame() {
|
|
|
|
assert(pixelBufferSize == 0);
|
|
|
|
assert(dmaPendingNum == 0);
|
|
|
|
assert(dmaBytesInFlight == 0);
|
|
|
|
assert(dmaDoneEventFree.size() == dmaDoneEventAll.size());
|
|
|
|
|
|
|
|
if (vnc)
|
|
|
|
vnc->setDirty();
|
|
|
|
|
2013-10-17 17:20:45 +02:00
|
|
|
if (enableCapture) {
|
|
|
|
if (!pic)
|
|
|
|
pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true);
|
2013-04-22 19:20:31 +02:00
|
|
|
|
2013-10-17 17:20:45 +02:00
|
|
|
assert(bmp);
|
|
|
|
assert(pic);
|
|
|
|
pic->seekp(0);
|
|
|
|
bmp->write(pic);
|
|
|
|
}
|
2013-04-22 19:20:31 +02:00
|
|
|
|
|
|
|
// start the next frame
|
|
|
|
frameUnderway = false;
|
|
|
|
startFrame();
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::dmaDone(DmaDoneEvent *event)
|
|
|
|
{
|
|
|
|
const size_t transactionLength = event->getTransactionSize();
|
|
|
|
assert(pixelBufferSize + transactionLength < PIXEL_BUFFER_CAPACITY);
|
|
|
|
assert(dmaCurAddr <= dmaMaxAddr);
|
|
|
|
|
|
|
|
dmaDoneEventFree.push_back(event);
|
|
|
|
--dmaPendingNum;
|
|
|
|
assert(MAX_OUTSTANDING_DMA_REQ_CAPACITY - dmaDoneEventFree.size() ==
|
|
|
|
dmaPendingNum);
|
|
|
|
|
|
|
|
// add the data to the pixel buffer
|
|
|
|
dmaBytesInFlight -= transactionLength;
|
|
|
|
pixelBufferSize += transactionLength;
|
|
|
|
|
|
|
|
// schedule another dma transaction if:
|
|
|
|
// - we're not done reading the frame
|
|
|
|
// - there is sufficient room in the pixel buffer for another transaction
|
|
|
|
// - another fillPixelBufferEvent is not already scheduled
|
|
|
|
const size_t targetTransSize = dmaBurstLength() * AXI_PORT_WIDTH;
|
|
|
|
if ((dmaCurAddr < dmaMaxAddr) &&
|
|
|
|
(bytesFreeInPixelBuffer() + targetTransSize < PIXEL_BUFFER_CAPACITY) &&
|
|
|
|
!fillPixelBufferEvent.scheduled()) {
|
2013-04-22 19:20:31 +02:00
|
|
|
schedule(fillPixelBufferEvent, clockEdge());
|
2013-04-22 19:20:31 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::serialize(std::ostream &os)
|
|
|
|
{
|
|
|
|
DPRINTF(HDLcd, "Serializing ARM HDLCD\n");
|
|
|
|
|
|
|
|
const uint32_t version_serial = version;
|
|
|
|
SERIALIZE_SCALAR(version_serial);
|
|
|
|
const uint32_t int_rawstat_serial = int_rawstat;
|
|
|
|
SERIALIZE_SCALAR(int_rawstat_serial);
|
|
|
|
const uint32_t int_clear_serial = int_clear;
|
|
|
|
SERIALIZE_SCALAR(int_clear_serial);
|
|
|
|
const uint32_t int_mask_serial = int_mask;
|
|
|
|
SERIALIZE_SCALAR(int_mask_serial);
|
|
|
|
const uint32_t int_status_serial = int_status;
|
|
|
|
SERIALIZE_SCALAR(int_status_serial);
|
|
|
|
|
|
|
|
SERIALIZE_SCALAR(fb_base);
|
|
|
|
SERIALIZE_SCALAR(fb_line_length);
|
|
|
|
|
|
|
|
const uint32_t fb_line_count_serial = fb_line_count;
|
|
|
|
SERIALIZE_SCALAR(fb_line_count_serial);
|
|
|
|
|
|
|
|
SERIALIZE_SCALAR(fb_line_pitch);
|
|
|
|
|
|
|
|
const uint32_t bus_options_serial = bus_options;
|
|
|
|
SERIALIZE_SCALAR(bus_options_serial);
|
|
|
|
const uint32_t v_sync_serial = v_sync;
|
|
|
|
SERIALIZE_SCALAR(v_sync_serial);
|
|
|
|
const uint32_t v_back_porch_serial = v_back_porch;
|
|
|
|
SERIALIZE_SCALAR(v_back_porch_serial);
|
|
|
|
const uint32_t v_data_serial = v_data;
|
|
|
|
SERIALIZE_SCALAR(v_data_serial);
|
|
|
|
const uint32_t v_front_porch_serial = v_front_porch;
|
|
|
|
SERIALIZE_SCALAR(v_front_porch_serial);
|
|
|
|
const uint32_t h_sync_serial = h_sync;
|
|
|
|
SERIALIZE_SCALAR(h_sync_serial);
|
|
|
|
const uint32_t h_back_porch_serial = h_back_porch;
|
|
|
|
SERIALIZE_SCALAR(h_back_porch_serial);
|
|
|
|
const uint32_t h_data_serial = h_data;
|
|
|
|
SERIALIZE_SCALAR(h_data_serial);
|
|
|
|
const uint32_t h_front_porch_serial = h_front_porch;
|
|
|
|
SERIALIZE_SCALAR(h_front_porch_serial);
|
|
|
|
const uint32_t polarities_serial = polarities;
|
|
|
|
SERIALIZE_SCALAR(polarities_serial);
|
|
|
|
const uint32_t command_serial = command;
|
|
|
|
SERIALIZE_SCALAR(command_serial);
|
|
|
|
const uint32_t pixel_format_serial = pixel_format;
|
|
|
|
SERIALIZE_SCALAR(pixel_format_serial);
|
|
|
|
const uint32_t red_select_serial = red_select;
|
|
|
|
SERIALIZE_SCALAR(red_select_serial);
|
|
|
|
const uint32_t green_select_serial = green_select;
|
|
|
|
SERIALIZE_SCALAR(green_select_serial);
|
|
|
|
const uint32_t blue_select_serial = blue_select;
|
|
|
|
SERIALIZE_SCALAR(blue_select_serial);
|
|
|
|
|
|
|
|
SERIALIZE_SCALAR(frameReadStartTime);
|
|
|
|
SERIALIZE_SCALAR(dmaStartAddr);
|
|
|
|
SERIALIZE_SCALAR(dmaCurAddr);
|
|
|
|
SERIALIZE_SCALAR(dmaMaxAddr);
|
|
|
|
SERIALIZE_SCALAR(dmaPendingNum);
|
|
|
|
SERIALIZE_SCALAR(frameUnderrun);
|
|
|
|
|
|
|
|
const size_t buffer_size = bytesPerPixel() * width() * height();
|
|
|
|
SERIALIZE_ARRAY(virtualDisplayBuffer, buffer_size);
|
|
|
|
|
|
|
|
SERIALIZE_SCALAR(pixelBufferSize);
|
|
|
|
SERIALIZE_SCALAR(pixelIndex);
|
|
|
|
SERIALIZE_SCALAR(doUpdateParams);
|
|
|
|
SERIALIZE_SCALAR(frameUnderway);
|
|
|
|
SERIALIZE_SCALAR(dmaBytesInFlight);
|
|
|
|
|
|
|
|
Tick start_event_time = 0;
|
|
|
|
Tick end_event_time = 0;
|
|
|
|
Tick render_pixel_event_time = 0;
|
|
|
|
Tick fill_pixel_buffer_event_time = 0;
|
|
|
|
Tick int_event_time = 0;
|
|
|
|
if (startFrameEvent.scheduled())
|
|
|
|
start_event_time = startFrameEvent.when();
|
|
|
|
if (endFrameEvent.scheduled())
|
|
|
|
end_event_time = endFrameEvent.when();
|
|
|
|
if (renderPixelEvent.scheduled())
|
|
|
|
render_pixel_event_time = renderPixelEvent.when();
|
|
|
|
if (fillPixelBufferEvent.scheduled())
|
|
|
|
fill_pixel_buffer_event_time = fillPixelBufferEvent.when();
|
|
|
|
if (intEvent.scheduled())
|
|
|
|
int_event_time = intEvent.when();
|
|
|
|
SERIALIZE_SCALAR(start_event_time);
|
|
|
|
SERIALIZE_SCALAR(end_event_time);
|
|
|
|
SERIALIZE_SCALAR(render_pixel_event_time);
|
|
|
|
SERIALIZE_SCALAR(fill_pixel_buffer_event_time);
|
|
|
|
SERIALIZE_SCALAR(int_event_time);
|
|
|
|
|
|
|
|
vector<Tick> dma_done_event_tick(MAX_OUTSTANDING_DMA_REQ_CAPACITY);
|
|
|
|
vector<size_t> dma_done_event_burst_len(MAX_OUTSTANDING_DMA_REQ_CAPACITY);
|
|
|
|
for (int x = 0; x < MAX_OUTSTANDING_DMA_REQ_CAPACITY; ++x) {
|
|
|
|
dma_done_event_tick[x] = dmaDoneEventAll[x].scheduled() ?
|
|
|
|
dmaDoneEventAll[x].when() : 0;
|
|
|
|
dma_done_event_burst_len[x] = dmaDoneEventAll[x].scheduled() ?
|
|
|
|
dmaDoneEventAll[x].getTransactionSize() : 0;
|
|
|
|
}
|
|
|
|
arrayParamOut(os, "dma_done_event_tick", dma_done_event_tick);
|
|
|
|
arrayParamOut(os, "dma_done_event_burst_length", dma_done_event_burst_len);
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
HDLcd::unserialize(Checkpoint *cp, const std::string §ion)
|
|
|
|
{
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uint32_t version_serial, int_rawstat_serial, int_clear_serial,
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int_mask_serial, int_status_serial, fb_line_count_serial,
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bus_options_serial, v_sync_serial, v_back_porch_serial,
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v_data_serial, v_front_porch_serial, h_sync_serial,
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h_back_porch_serial, h_data_serial, h_front_porch_serial,
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polarities_serial, command_serial, pixel_format_serial,
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red_select_serial, green_select_serial, blue_select_serial;
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DPRINTF(HDLcd, "Unserializing ARM HDLCD\n");
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UNSERIALIZE_SCALAR(version_serial);
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version = version_serial;
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UNSERIALIZE_SCALAR(int_rawstat_serial);
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int_rawstat = int_rawstat_serial;
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UNSERIALIZE_SCALAR(int_clear_serial);
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int_clear = int_clear_serial;
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UNSERIALIZE_SCALAR(int_mask_serial);
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int_mask = int_mask_serial;
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UNSERIALIZE_SCALAR(int_status_serial);
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int_status = int_status_serial;
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UNSERIALIZE_SCALAR(fb_base);
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UNSERIALIZE_SCALAR(fb_line_length);
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UNSERIALIZE_SCALAR(fb_line_count_serial);
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fb_line_count = fb_line_count_serial;
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UNSERIALIZE_SCALAR(fb_line_pitch);
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UNSERIALIZE_SCALAR(bus_options_serial);
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bus_options = bus_options_serial;
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UNSERIALIZE_SCALAR(v_sync_serial);
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v_sync = v_sync_serial;
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UNSERIALIZE_SCALAR(v_back_porch_serial);
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v_back_porch = v_back_porch_serial;
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UNSERIALIZE_SCALAR(v_data_serial);
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v_data = v_data_serial;
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UNSERIALIZE_SCALAR(v_front_porch_serial);
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v_front_porch = v_front_porch_serial;
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UNSERIALIZE_SCALAR(h_sync_serial);
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h_sync = h_sync_serial;
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UNSERIALIZE_SCALAR(h_back_porch_serial);
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h_back_porch = h_back_porch_serial;
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UNSERIALIZE_SCALAR(h_data_serial);
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h_data = h_data_serial;
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UNSERIALIZE_SCALAR(h_front_porch_serial);
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h_front_porch = h_front_porch_serial;
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UNSERIALIZE_SCALAR(polarities_serial);
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polarities = polarities_serial;
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UNSERIALIZE_SCALAR(command_serial);
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command = command_serial;
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UNSERIALIZE_SCALAR(pixel_format_serial);
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pixel_format = pixel_format_serial;
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UNSERIALIZE_SCALAR(red_select_serial);
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red_select = red_select_serial;
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UNSERIALIZE_SCALAR(green_select_serial);
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green_select = green_select_serial;
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UNSERIALIZE_SCALAR(blue_select_serial);
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blue_select = blue_select_serial;
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UNSERIALIZE_SCALAR(frameReadStartTime);
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UNSERIALIZE_SCALAR(dmaStartAddr);
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UNSERIALIZE_SCALAR(dmaCurAddr);
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UNSERIALIZE_SCALAR(dmaMaxAddr);
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UNSERIALIZE_SCALAR(dmaPendingNum);
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UNSERIALIZE_SCALAR(frameUnderrun);
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UNSERIALIZE_SCALAR(dmaBytesInFlight);
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const size_t buffer_size = bytesPerPixel() * width() * height();
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virtualDisplayBuffer = new uint8_t[buffer_size];
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UNSERIALIZE_ARRAY(virtualDisplayBuffer, buffer_size);
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UNSERIALIZE_SCALAR(pixelBufferSize);
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UNSERIALIZE_SCALAR(pixelIndex);
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UNSERIALIZE_SCALAR(doUpdateParams);
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UNSERIALIZE_SCALAR(frameUnderway);
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Tick start_event_time = 0;
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Tick end_event_time = 0;
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Tick render_pixel_event_time = 0;
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Tick fill_pixel_buffer_event_time = 0;
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Tick int_event_time = 0;
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UNSERIALIZE_SCALAR(start_event_time);
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UNSERIALIZE_SCALAR(end_event_time);
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UNSERIALIZE_SCALAR(render_pixel_event_time);
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UNSERIALIZE_SCALAR(fill_pixel_buffer_event_time);
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UNSERIALIZE_SCALAR(int_event_time);
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if (start_event_time)
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schedule(startFrameEvent, start_event_time);
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if (end_event_time)
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schedule(endFrameEvent, end_event_time);
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if (render_pixel_event_time)
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schedule(renderPixelEvent, render_pixel_event_time);
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if (fill_pixel_buffer_event_time)
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schedule(fillPixelBufferEvent, fill_pixel_buffer_event_time);
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if (int_event_time)
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schedule(intEvent, int_event_time);
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vector<Tick> dma_done_event_tick(MAX_OUTSTANDING_DMA_REQ_CAPACITY);
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vector<Tick> dma_done_event_burst_len(MAX_OUTSTANDING_DMA_REQ_CAPACITY);
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arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick);
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arrayParamIn(cp, section, "dma_done_event_burst_length", dma_done_event_burst_len);
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dmaDoneEventFree.clear();
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for (int x = 0; x < MAX_OUTSTANDING_DMA_REQ_CAPACITY; ++x) {
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if (dma_done_event_tick[x]) {
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dmaDoneEventAll[x].setTransactionSize(dma_done_event_burst_len[x]);
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schedule(dmaDoneEventAll[x], dma_done_event_tick[x]);
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} else
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dmaDoneEventFree.push_back(&dmaDoneEventAll[x]);
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}
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assert(MAX_OUTSTANDING_DMA_REQ_CAPACITY - dmaDoneEventFree.size() == dmaPendingNum);
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if (frameUnderway) {
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updateVideoParams(true);
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if (vnc)
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vnc->setDirty();
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}
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}
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void
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HDLcd::generateInterrupt()
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{
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int_status = int_rawstat & int_mask;
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DPRINTF(HDLcd, "Generate Interrupt: int_rawstat=0x%08x int_mask=0x%08x "
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"int_status=0x%08x\n",
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(uint32_t)int_rawstat, (uint32_t)int_mask, (uint32_t)int_status);
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if (int_status != 0) {
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gic->sendInt(intNum);
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DPRINTF(HDLcd, " -- Generated\n");
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}
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}
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AddrRangeList
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HDLcd::getAddrRanges() const
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{
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AddrRangeList ranges;
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ranges.push_back(RangeSize(pioAddr, pioSize));
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return ranges;
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}
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HDLcd *
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HDLcdParams::create()
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{
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return new HDLcd(this);
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}
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