| /* |
| * Copyright (c) 2010-2013 ARM Limited |
| * All rights reserved |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Chris Emmons |
| */ |
| |
| #include "base/vnc/vncinput.hh" |
| #include "base/bitmap.hh" |
| #include "base/output.hh" |
| #include "base/trace.hh" |
| #include "debug/HDLcd.hh" |
| #include "debug/Uart.hh" |
| #include "dev/arm/amba_device.hh" |
| #include "dev/arm/base_gic.hh" |
| #include "dev/arm/hdlcd.hh" |
| #include "mem/packet.hh" |
| #include "mem/packet_access.hh" |
| #include "sim/system.hh" |
| |
| using std::vector; |
| |
| |
| // initialize hdlcd registers |
| HDLcd::HDLcd(const Params *p) |
| : AmbaDmaDevice(p), version(VERSION_RESETV), |
| int_rawstat(0), int_clear(0), int_mask(0), int_status(0), |
| fb_base(0), fb_line_length(0), fb_line_count(0), fb_line_pitch(0), |
| bus_options(BUS_OPTIONS_RESETV), |
| v_sync(0), v_back_porch(0), v_data(0), v_front_porch(0), |
| h_sync(0), h_back_porch(0), h_data(0), h_front_porch(0), |
| polarities(0), command(0), pixel_format(0), |
| red_select(0), green_select(0), blue_select(0), |
| pixelClock(p->pixel_clock), vnc(p->vnc), bmp(NULL), pic(NULL), |
| frameReadStartTime(0), |
| dmaStartAddr(0), dmaCurAddr(0), dmaMaxAddr(0), dmaPendingNum(0), |
| frameUnderrun(false), virtualDisplayBuffer(NULL), pixelBufferSize(0), |
| pixelIndex(0), doUpdateParams(false), frameUnderway(false), |
| dmaBytesInFlight(0), |
| startFrameEvent(this), endFrameEvent(this), renderPixelEvent(this), |
| fillPixelBufferEvent(this), intEvent(this), |
| dmaDoneEventAll(MAX_OUTSTANDING_DMA_REQ_CAPACITY, this), |
| dmaDoneEventFree(MAX_OUTSTANDING_DMA_REQ_CAPACITY), |
| enableCapture(p->enable_capture) |
| { |
| pioSize = 0xFFFF; |
| |
| for (int i = 0; i < MAX_OUTSTANDING_DMA_REQ_CAPACITY; ++i) |
| dmaDoneEventFree[i] = &dmaDoneEventAll[i]; |
| |
| if (vnc) |
| vnc->setFramebufferAddr(NULL); |
| } |
| |
| HDLcd::~HDLcd() |
| { |
| if (virtualDisplayBuffer) |
| delete [] virtualDisplayBuffer; |
| } |
| |
| // read registers and frame buffer |
| Tick |
| HDLcd::read(PacketPtr pkt) |
| { |
| uint32_t data = 0; |
| const Addr daddr = pkt->getAddr() - pioAddr; |
| |
| DPRINTF(HDLcd, "read register BASE+0x%04x size=%d\n", daddr, |
| pkt->getSize()); |
| |
| assert(pkt->getAddr() >= pioAddr && |
| pkt->getAddr() < pioAddr + pioSize && |
| pkt->getSize() == 4); |
| |
| pkt->allocate(); |
| |
| switch (daddr) { |
| case Version: |
| data = version; |
| break; |
| case Int_RawStat: |
| data = int_rawstat; |
| break; |
| case Int_Clear: |
| panic("HDLCD INT_CLEAR register is Write-Only\n"); |
| break; |
| case Int_Mask: |
| data = int_mask; |
| break; |
| case Int_Status: |
| data = int_status; |
| break; |
| case Fb_Base: |
| data = fb_base; |
| break; |
| case Fb_Line_Length: |
| data = fb_line_length; |
| break; |
| case Fb_Line_Count: |
| data = fb_line_count; |
| break; |
| case Fb_Line_Pitch: |
| data = fb_line_pitch; |
| break; |
| case Bus_Options: |
| data = bus_options; |
| break; |
| case V_Sync: |
| data = v_sync; |
| break; |
| case V_Back_Porch: |
| data = v_back_porch; |
| break; |
| case V_Data: |
| data = v_data; |
| break; |
| case V_Front_Porch: |
| data = v_front_porch; |
| break; |
| case H_Sync: |
| data = h_sync; |
| break; |
| case H_Back_Porch: |
| data = h_back_porch; |
| break; |
| case H_Data: |
| data = h_data; |
| break; |
| case H_Front_Porch: |
| data = h_front_porch; |
| break; |
| case Polarities: |
| data = polarities; |
| break; |
| case Command: |
| data = command; |
| break; |
| case Pixel_Format: |
| data = pixel_format; |
| break; |
| case Red_Select: |
| data = red_select; |
| break; |
| case Green_Select: |
| data = green_select; |
| break; |
| case Blue_Select: |
| data = blue_select; |
| break; |
| default: |
| panic("Tried to read HDLCD register that doesn't exist\n", daddr); |
| break; |
| } |
| |
| pkt->set<uint32_t>(data); |
| pkt->makeAtomicResponse(); |
| return pioDelay; |
| } |
| |
| // write registers and frame buffer |
| Tick |
| HDLcd::write(PacketPtr pkt) |
| { |
| assert(pkt->getAddr() >= pioAddr && |
| pkt->getAddr() < pioAddr + pioSize && |
| pkt->getSize() == 4); |
| |
| const uint32_t data = pkt->get<uint32_t>(); |
| const Addr daddr = pkt->getAddr() - pioAddr; |
| |
| DPRINTF(HDLcd, "write register BASE+%0x04x <= 0x%08x\n", daddr, |
| pkt->get<uint32_t>()); |
| |
| switch (daddr) { |
| case Version: |
| panic("HDLCD VERSION register is read-Only\n"); |
| break; |
| case Int_RawStat: |
| int_rawstat = data; |
| break; |
| case Int_Clear: |
| int_clear = data; |
| break; |
| case Int_Mask: |
| int_mask = data; |
| break; |
| case Int_Status: |
| panic("HDLCD INT_STATUS register is read-Only\n"); |
| break; |
| case Fb_Base: |
| fb_base = data; |
| DPRINTF(HDLcd, "HDLCD Frame Buffer located at addr 0x%08x\n", fb_base); |
| break; |
| case Fb_Line_Length: |
| fb_line_length = data; |
| DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height()); |
| break; |
| case Fb_Line_Count: |
| fb_line_count = data; |
| DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height()); |
| break; |
| case Fb_Line_Pitch: |
| fb_line_pitch = data; |
| break; |
| case Bus_Options: { |
| BusOptsReg old_bus_options; |
| old_bus_options = bus_options; |
| bus_options = data; |
| if (bus_options.max_outstanding != old_bus_options.max_outstanding) |
| DPRINTF(HDLcd, |
| "Changing HDLcd outstanding dma transactions from %d to %d\n", |
| old_bus_options.max_outstanding, bus_options.max_outstanding); |
| if (bus_options.burst_len != old_bus_options.burst_len) |
| DPRINTF(HDLcd, |
| "Changing HDLcd dma burst length from %d bytes to %d bytes\n", |
| old_bus_options.burst_len, bus_options.burst_len); } |
| break; |
| case V_Sync: |
| v_sync = data; |
| break; |
| case V_Back_Porch: |
| v_back_porch = data; |
| break; |
| case V_Data: |
| v_data = data; |
| break; |
| case V_Front_Porch: |
| v_front_porch = data; |
| break; |
| case H_Sync: |
| h_sync = data; |
| break; |
| case H_Back_Porch: |
| h_back_porch = data; |
| break; |
| case H_Data: |
| h_data = data; |
| break; |
| case H_Front_Porch: |
| h_front_porch = data; |
| break; |
| case Polarities: |
| polarities = data; |
| break; |
| case Command: { |
| CommandReg new_command; |
| new_command = data; |
| if (new_command.enable != command.enable) { |
| DPRINTF(HDLcd, "HDLCD switched %s\n", |
| new_command.enable==0 ? "off" : "on"); |
| if (new_command.enable) { |
| doUpdateParams = true; |
| if (!frameUnderway) { |
| schedule(startFrameEvent, clockEdge()); |
| } |
| } |
| } |
| command = new_command; } |
| break; |
| case Pixel_Format: |
| pixel_format = data; |
| DPRINTF(HDLcd, "HDLCD res = %d x %d\n", width(), height()); |
| DPRINTF(HDLcd, "HDLCD bytes per pixel = %d\n", bytesPerPixel()); |
| DPRINTF(HDLcd, "HDLCD endianness = %s\n", |
| pixel_format.big_endian ? "big" : "little"); |
| break; |
| case Red_Select: |
| red_select = data; |
| break; |
| case Green_Select: |
| green_select = data; |
| break; |
| case Blue_Select: |
| blue_select = data; |
| break; |
| default: |
| panic("Tried to write HDLCD register that doesn't exist\n", daddr); |
| break; |
| } |
| |
| pkt->makeAtomicResponse(); |
| return pioDelay; |
| } |
| |
| void |
| HDLcd::updateVideoParams(bool unserializing = false) |
| { |
| const uint16_t bpp = bytesPerPixel() << 3; |
| const size_t buffer_size = bytesPerPixel() * width() * height(); |
| |
| // updating these parameters while LCD is enabled is not supported |
| if (frameUnderway && !unserializing) |
| panic("Attempting to change some HDLCD parameters while the controller" |
| " is active is not allowed"); |
| |
| // resize the virtualDisplayBuffer unless we are unserializing - it may |
| // have changed size |
| // there must be no outstanding DMA transactions for this to work |
| if (!unserializing) { |
| assert(dmaPendingNum == 0); |
| if (virtualDisplayBuffer) |
| delete [] virtualDisplayBuffer; |
| virtualDisplayBuffer = new uint8_t[buffer_size]; |
| memset(virtualDisplayBuffer, 0, buffer_size); |
| } |
| |
| assert(virtualDisplayBuffer); |
| if (vnc) |
| vnc->setFramebufferAddr(virtualDisplayBuffer); |
| |
| if (bmp) |
| delete bmp; |
| |
| DPRINTF(HDLcd, "bpp = %d\n", bpp); |
| DPRINTF(HDLcd, "display size = %d x %d\n", width(), height()); |
| #if TRACING_ON |
| const size_t totalLinesPerFrame = v_back_porch.val + 1 + |
| v_data.val + 1 + |
| v_front_porch.val + 1 + |
| v_sync.val + 1; |
| const double fps = (double)SimClock::Frequency / |
| (double)(PClksPerLine() * totalLinesPerFrame * pixelClock); |
| #endif |
| DPRINTF(HDLcd, "simulated refresh rate ~ %.1ffps generating ~ %.1fMB/s " |
| "traffic ([%.1fMHz, T=%d sim clocks] pclk, %d bpp => %.1fMB/s peak requirement)\n", |
| fps, |
| fps * buffer_size / 1024 / 1024, |
| (double)SimClock::Frequency / pixelClock / 1000000.0, |
| pixelClock, |
| bpp, |
| (double)(SimClock::Frequency / pixelClock * (bpp / 8)) / 1024 / 1024); |
| |
| if (pixel_format.big_endian) |
| panic("Big Endian pixel format not implemented by HDLcd controller"); |
| |
| if (vnc) { |
| if ((bpp == 24) && |
| (red_select.size == 8) && |
| (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()) |
| schedule(intEvent, clockEdge()); |
| } 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()) |
| schedule(fillPixelBufferEvent, clockEdge()); |
| |
| // 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(); |
| |
| if (enableCapture) { |
| if (!pic) |
| pic = simout.create(csprintf("%s.framebuffer.bmp", sys->name()), true); |
| |
| assert(bmp); |
| assert(pic); |
| pic->seekp(0); |
| bmp->write(pic); |
| } |
| |
| // 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()) { |
| schedule(fillPixelBufferEvent, clockEdge()); |
| } |
| } |
| |
| 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) |
| { |
| uint32_t version_serial, int_rawstat_serial, int_clear_serial, |
| int_mask_serial, int_status_serial, fb_line_count_serial, |
| bus_options_serial, v_sync_serial, v_back_porch_serial, |
| v_data_serial, v_front_porch_serial, h_sync_serial, |
| h_back_porch_serial, h_data_serial, h_front_porch_serial, |
| polarities_serial, command_serial, pixel_format_serial, |
| red_select_serial, green_select_serial, blue_select_serial; |
| |
| DPRINTF(HDLcd, "Unserializing ARM HDLCD\n"); |
| |
| UNSERIALIZE_SCALAR(version_serial); |
| version = version_serial; |
| UNSERIALIZE_SCALAR(int_rawstat_serial); |
| int_rawstat = int_rawstat_serial; |
| UNSERIALIZE_SCALAR(int_clear_serial); |
| int_clear = int_clear_serial; |
| UNSERIALIZE_SCALAR(int_mask_serial); |
| int_mask = int_mask_serial; |
| UNSERIALIZE_SCALAR(int_status_serial); |
| int_status = int_status_serial; |
| |
| UNSERIALIZE_SCALAR(fb_base); |
| UNSERIALIZE_SCALAR(fb_line_length); |
| |
| UNSERIALIZE_SCALAR(fb_line_count_serial); |
| fb_line_count = fb_line_count_serial; |
| |
| UNSERIALIZE_SCALAR(fb_line_pitch); |
| |
| UNSERIALIZE_SCALAR(bus_options_serial); |
| bus_options = bus_options_serial; |
| UNSERIALIZE_SCALAR(v_sync_serial); |
| v_sync = v_sync_serial; |
| UNSERIALIZE_SCALAR(v_back_porch_serial); |
| v_back_porch = v_back_porch_serial; |
| UNSERIALIZE_SCALAR(v_data_serial); |
| v_data = v_data_serial; |
| UNSERIALIZE_SCALAR(v_front_porch_serial); |
| v_front_porch = v_front_porch_serial; |
| UNSERIALIZE_SCALAR(h_sync_serial); |
| h_sync = h_sync_serial; |
| UNSERIALIZE_SCALAR(h_back_porch_serial); |
| h_back_porch = h_back_porch_serial; |
| UNSERIALIZE_SCALAR(h_data_serial); |
| h_data = h_data_serial; |
| UNSERIALIZE_SCALAR(h_front_porch_serial); |
| h_front_porch = h_front_porch_serial; |
| UNSERIALIZE_SCALAR(polarities_serial); |
| polarities = polarities_serial; |
| UNSERIALIZE_SCALAR(command_serial); |
| command = command_serial; |
| UNSERIALIZE_SCALAR(pixel_format_serial); |
| pixel_format = pixel_format_serial; |
| UNSERIALIZE_SCALAR(red_select_serial); |
| red_select = red_select_serial; |
| UNSERIALIZE_SCALAR(green_select_serial); |
| green_select = green_select_serial; |
| UNSERIALIZE_SCALAR(blue_select_serial); |
| blue_select = blue_select_serial; |
| |
| UNSERIALIZE_SCALAR(frameReadStartTime); |
| UNSERIALIZE_SCALAR(dmaStartAddr); |
| UNSERIALIZE_SCALAR(dmaCurAddr); |
| UNSERIALIZE_SCALAR(dmaMaxAddr); |
| UNSERIALIZE_SCALAR(dmaPendingNum); |
| UNSERIALIZE_SCALAR(frameUnderrun); |
| UNSERIALIZE_SCALAR(dmaBytesInFlight); |
| |
| const size_t buffer_size = bytesPerPixel() * width() * height(); |
| virtualDisplayBuffer = new uint8_t[buffer_size]; |
| UNSERIALIZE_ARRAY(virtualDisplayBuffer, buffer_size); |
| |
| UNSERIALIZE_SCALAR(pixelBufferSize); |
| UNSERIALIZE_SCALAR(pixelIndex); |
| UNSERIALIZE_SCALAR(doUpdateParams); |
| UNSERIALIZE_SCALAR(frameUnderway); |
| |
| 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; |
| UNSERIALIZE_SCALAR(start_event_time); |
| UNSERIALIZE_SCALAR(end_event_time); |
| UNSERIALIZE_SCALAR(render_pixel_event_time); |
| UNSERIALIZE_SCALAR(fill_pixel_buffer_event_time); |
| UNSERIALIZE_SCALAR(int_event_time); |
| if (start_event_time) |
| schedule(startFrameEvent, start_event_time); |
| if (end_event_time) |
| schedule(endFrameEvent, end_event_time); |
| if (render_pixel_event_time) |
| schedule(renderPixelEvent, render_pixel_event_time); |
| if (fill_pixel_buffer_event_time) |
| schedule(fillPixelBufferEvent, fill_pixel_buffer_event_time); |
| if (int_event_time) |
| schedule(intEvent, int_event_time); |
| |
| vector<Tick> dma_done_event_tick(MAX_OUTSTANDING_DMA_REQ_CAPACITY); |
| vector<Tick> dma_done_event_burst_len(MAX_OUTSTANDING_DMA_REQ_CAPACITY); |
| arrayParamIn(cp, section, "dma_done_event_tick", dma_done_event_tick); |
| arrayParamIn(cp, section, "dma_done_event_burst_length", dma_done_event_burst_len); |
| dmaDoneEventFree.clear(); |
| for (int x = 0; x < MAX_OUTSTANDING_DMA_REQ_CAPACITY; ++x) { |
| if (dma_done_event_tick[x]) { |
| dmaDoneEventAll[x].setTransactionSize(dma_done_event_burst_len[x]); |
| schedule(dmaDoneEventAll[x], dma_done_event_tick[x]); |
| } else |
| dmaDoneEventFree.push_back(&dmaDoneEventAll[x]); |
| } |
| assert(MAX_OUTSTANDING_DMA_REQ_CAPACITY - dmaDoneEventFree.size() == dmaPendingNum); |
| |
| if (frameUnderway) { |
| updateVideoParams(true); |
| if (vnc) |
| vnc->setDirty(); |
| } |
| } |
| |
| void |
| HDLcd::generateInterrupt() |
| { |
| int_status = int_rawstat & int_mask; |
| DPRINTF(HDLcd, "Generate Interrupt: int_rawstat=0x%08x int_mask=0x%08x " |
| "int_status=0x%08x\n", |
| (uint32_t)int_rawstat, (uint32_t)int_mask, (uint32_t)int_status); |
| |
| if (int_status != 0) { |
| gic->sendInt(intNum); |
| DPRINTF(HDLcd, " -- Generated\n"); |
| } |
| } |
| |
| AddrRangeList |
| HDLcd::getAddrRanges() const |
| { |
| AddrRangeList ranges; |
| ranges.push_back(RangeSize(pioAddr, pioSize)); |
| return ranges; |
| } |
| |
| HDLcd * |
| HDLcdParams::create() |
| { |
| return new HDLcd(this); |
| } |
