mirror of https://github.com/openXC7/prjxray.git
xc7frames2bit: implement tool for xilinx 7-series bitstream generation from frames
Signed-off-by: Tomasz Michalak <tmichalak@antmicro.com>
This commit is contained in:
Tomasz Michalak
parent
9a8ff7e360
commit
2aa3c30976
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@ -14,9 +14,11 @@ add_library(libprjxray
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xilinx/xc7series/global_clock_region.cc
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xilinx/xc7series/part.cc
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xilinx/xc7series/row.cc
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xilinx/xc7series/frames.cc
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xilinx/xc7series/utils.cc
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)
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target_include_directories(libprjxray PUBLIC "include")
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target_link_libraries(libprjxray absl::optional absl::strings absl::span yaml-cpp)
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target_link_libraries(libprjxray absl::optional absl::strings absl::span absl::time yaml-cpp)
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if (PRJXRAY_BUILD_TESTING)
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add_executable(big_endian_span_test big_endian_span_test.cc)
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@ -0,0 +1,35 @@
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#ifndef PRJXRAY_LIB_XILINX_XC7SERIES_FRAMES_H
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#define PRJXRAY_LIB_XILINX_XC7SERIES_FRAMES_H
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#include <string>
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#include <vector>
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#include <absl/strings/str_split.h>
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#include <prjxray/xilinx/xc7series/configuration.h>
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#include <prjxray/xilinx/xc7series/frame_address.h>
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#include <prjxray/xilinx/xc7series/part.h>
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namespace prjxray {
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namespace xilinx {
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namespace xc7series {
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class Frames {
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public:
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typedef std::vector<uint32_t> FrameData;
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typedef std::map<FrameAddress, FrameData> Frames2Data;
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int readFrames(const std::string& frm_file_str);
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void addMissingFrames(const absl::optional<Part>& part);
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Frames2Data& getFrames();
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private:
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Frames2Data frames_data_;
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void updateECC(FrameData& data);
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uint32_t calculateECC(const FrameData& data);
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};
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} // namespace xc7series
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} // namespace xilinx
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} // namespace prjxray
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#endif // PRJXRAY_LIB_XILINX_XC7SERIES_FRAMES_H
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@ -0,0 +1,34 @@
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#ifndef PRJXRAY_LIB_XILINX_XC7SERIES_UTILS_H_
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#define PRJXRAY_LIB_XILINX_XC7SERIES_UTILS_H_
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#include <prjxray/xilinx/xc7series/configuration.h>
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#include <prjxray/xilinx/xc7series/configuration_packet.h>
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#include <prjxray/xilinx/xc7series/frames.h>
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#include <prjxray/xilinx/xc7series/part.h>
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namespace prjxray {
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namespace xilinx {
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namespace xc7series {
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using PacketData = std::vector<uint32_t>;
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using BitstreamHeader = std::vector<uint8_t>;
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using ConfigurationPackage = std::vector<std::unique_ptr<ConfigurationPacket>>;
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PacketData createType2ConfigurationPacketData(const Frames::Frames2Data& frames,
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absl::optional<Part>& part);
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void createConfigurationPackage(ConfigurationPackage& out_packets,
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const PacketData& packet_data,
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absl::optional<Part>& part);
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BitstreamHeader createBitistreamHeader(const std::string& part_name,
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const std::string& frames_file_name,
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const std::string& generator_name);
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int writeBitstream(const ConfigurationPackage& packets,
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const std::string& part_name,
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const std::string& frames_file,
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const std::string& generator_name,
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const std::string& output_file);
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} // namespace xc7series
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} // namespace xilinx
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} // namespace prjxray
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#endif // PRJXRAY_LIB_XILINX_XC7SERIES_UTILS_H_
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@ -0,0 +1,101 @@
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#include <fstream>
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#include <iostream>
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#include <prjxray/xilinx/xc7series/ecc.h>
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#include <prjxray/xilinx/xc7series/frames.h>
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namespace prjxray {
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namespace xilinx {
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namespace xc7series {
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Frames::Frames2Data& Frames::getFrames() {
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return frames_data_;
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}
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int Frames::readFrames(const std::string& frm_file_str) {
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assert(!frm_file_str.empty());
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std::ifstream frm_file(frm_file_str);
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if (!frm_file) {
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std::cerr << "Unable to open frm file: " << frm_file_str
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<< std::endl;
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return 1;
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}
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std::string frm_line;
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while (std::getline(frm_file, frm_line)) {
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if (frm_line[0] == '#')
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continue;
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std::pair<std::string, std::string> frame_delta =
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absl::StrSplit(frm_line, ' ');
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uint32_t frame_address =
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std::stoul(frame_delta.first, nullptr, 16);
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std::vector<std::string> frame_data_strings =
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absl::StrSplit(frame_delta.second, ',');
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if (frame_data_strings.size() != 101) {
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std::cerr << "Frame " << std::hex << frame_address
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<< ": found " << std::dec
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<< frame_data_strings.size()
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<< "words instead of 101";
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continue;
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}
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FrameData frame_data(101, 0);
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std::transform(frame_data_strings.begin(),
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frame_data_strings.end(), frame_data.begin(),
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[](const std::string& val) -> uint32_t {
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return std::stoul(val, nullptr, 16);
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});
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// TODO make sure if this is needed
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updateECC(frame_data);
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// Insert the frame address and corresponding frame data to the
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// map
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FrameAddress frm_addr(frame_address);
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frames_data_.insert(
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std::pair<FrameAddress, FrameData>(frm_addr, frame_data));
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}
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return 0;
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}
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void Frames::addMissingFrames(const absl::optional<Part>& part) {
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auto current_frame_address = frames_data_.begin()->first;
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auto next_frame_address =
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part->GetNextFrameAddress(current_frame_address);
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while (next_frame_address) {
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current_frame_address = *next_frame_address;
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auto iter = frames_data_.find(current_frame_address);
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if (iter == frames_data_.end()) {
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FrameData frame_data(101, 0);
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// TODO make sure if this is needed
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updateECC(frame_data);
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frames_data_.insert(std::pair<FrameAddress, FrameData>(
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current_frame_address, frame_data));
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}
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next_frame_address =
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part->GetNextFrameAddress(current_frame_address);
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}
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}
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void Frames::updateECC(FrameData& data) {
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assert(data.size() != 0);
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// Replace the old ECC with the new.
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data[0x32] &= 0xFFFFE000;
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data[0x32] |= (calculateECC(data) & 0x1FFF);
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}
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uint32_t Frames::calculateECC(const FrameData& data) {
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uint32_t ecc = 0;
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for (size_t ii = 0; ii < data.size(); ++ii) {
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ecc = icap_ecc(ii, data[ii], ecc);
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}
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return ecc;
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}
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} // namespace xc7series
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} // namespace xilinx
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} // namespace prjxray
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@ -0,0 +1,266 @@
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#include <fstream>
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#include <iostream>
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#include <absl/strings/str_cat.h>
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#include <absl/strings/str_split.h>
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#include <absl/time/clock.h>
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#include <absl/time/time.h>
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//#include <gflags/gflags.h>
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#include <prjxray/xilinx/xc7series/bitstream_writer.h>
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#include <prjxray/xilinx/xc7series/command.h>
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#include <prjxray/xilinx/xc7series/configuration_options_0_value.h>
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#include <prjxray/xilinx/xc7series/configuration_packet_with_payload.h>
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#include <prjxray/xilinx/xc7series/nop_packet.h>
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#include <prjxray/xilinx/xc7series/utils.h>
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namespace prjxray {
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namespace xilinx {
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namespace xc7series {
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PacketData createType2ConfigurationPacketData(const Frames::Frames2Data& frames,
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absl::optional<Part>& part) {
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// Generate a single type 2 packet that writes everything at once.
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PacketData packet_data;
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for (auto& frame : frames) {
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std::copy(frame.second.begin(), frame.second.end(),
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std::back_inserter(packet_data));
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auto next_address = part->GetNextFrameAddress(frame.first);
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if (next_address &&
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(next_address->block_type() != frame.first.block_type() ||
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next_address->is_bottom_half_rows() !=
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frame.first.is_bottom_half_rows() ||
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next_address->row() != frame.first.row())) {
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packet_data.insert(packet_data.end(), 202, 0);
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}
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}
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packet_data.insert(packet_data.end(), 202, 0);
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return packet_data;
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}
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void createConfigurationPackage(ConfigurationPackage& out_packets,
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const PacketData& packet_data,
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absl::optional<Part>& part) {
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// The programming sequence is taken from
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// https://www.kc8apf.net/2018/05/unpacking-xilinx-7-series-bitstreams-part-2/
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// Initialization sequence
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::TIMER,
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{0x0}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::WBSTAR,
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{0x0}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::NOP)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::RCRC)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::UNKNOWN,
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{0x0}));
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// Configuration Options 0
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::COR0,
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{ConfigurationOptions0Value()
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.SetAddPipelineStageForDoneIn(true)
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.SetReleaseDonePinAtStartupCycle(
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ConfigurationOptions0Value::SignalReleaseCycle::Phase4)
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.SetStallAtStartupCycleUntilDciMatch(
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ConfigurationOptions0Value::StallCycle::NoWait)
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.SetStallAtStartupCycleUntilMmcmLock(
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ConfigurationOptions0Value::StallCycle::NoWait)
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.SetReleaseGtsSignalAtStartupCycle(
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ConfigurationOptions0Value::SignalReleaseCycle::Phase5)
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.SetReleaseGweSignalAtStartupCycle(
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ConfigurationOptions0Value::SignalReleaseCycle::Phase6)}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::COR1,
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{0x0}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::IDCODE,
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{part->idcode()}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::SWITCH)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::MASK,
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{0x401}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CTL0,
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{0x501}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::MASK,
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{0x0}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CTL1,
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{0x0}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::FAR,
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{0x0}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::WCFG)}));
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out_packets.emplace_back(new NopPacket());
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// Frame data write
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out_packets.emplace_back(
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new ConfigurationPacket(1, ConfigurationPacket::Opcode::Write,
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ConfigurationRegister::FDRI, {}));
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out_packets.emplace_back(
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new ConfigurationPacket(2, ConfigurationPacket::Opcode::Write,
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ConfigurationRegister::FDRI, packet_data));
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// Finalization sequence
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::RCRC)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::GRESTORE)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::LFRM)}));
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for (int ii = 0; ii < 100; ++ii) {
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out_packets.emplace_back(new NopPacket());
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}
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::START)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::FAR,
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{0x3be0000}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::MASK,
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{0x501}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CTL0,
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{0x501}));
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::RCRC)}));
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new NopPacket());
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out_packets.emplace_back(new ConfigurationPacketWithPayload<1>(
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ConfigurationPacket::Opcode::Write, ConfigurationRegister::CMD,
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{static_cast<uint32_t>(Command::DESYNC)}));
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for (int ii = 0; ii < 400; ++ii) {
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out_packets.emplace_back(new NopPacket());
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}
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}
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// Xilinx BIT header
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BitstreamHeader createBitstreamHeader(const std::string& part_name,
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const std::string& frames_file_name,
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const std::string& generator_name) {
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// Sync header
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BitstreamHeader bit_header{0x0, 0x9, 0x0f, 0xf0, 0x0f, 0xf0, 0x0f,
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0xf0, 0x0f, 0xf0, 0x00, 0x00, 0x01, 'a'};
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auto build_source =
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absl::StrCat(frames_file_name, ";Generator=" + generator_name);
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bit_header.push_back(
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static_cast<uint8_t>((build_source.size() + 1) >> 8));
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bit_header.push_back(static_cast<uint8_t>(build_source.size() + 1));
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bit_header.insert(bit_header.end(), build_source.begin(),
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build_source.end());
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bit_header.push_back(0x0);
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// Source file.
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bit_header.push_back('b');
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bit_header.push_back(static_cast<uint8_t>((part_name.size() + 1) >> 8));
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bit_header.push_back(static_cast<uint8_t>(part_name.size() + 1));
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bit_header.insert(bit_header.end(), part_name.begin(), part_name.end());
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bit_header.push_back(0x0);
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// Build timestamp.
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auto build_time = absl::Now();
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auto build_date_string =
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absl::FormatTime("%E4Y/%m/%d", build_time, absl::UTCTimeZone());
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auto build_time_string =
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absl::FormatTime("%H:%M:%S", build_time, absl::UTCTimeZone());
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bit_header.push_back('c');
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bit_header.push_back(
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static_cast<uint8_t>((build_date_string.size() + 1) >> 8));
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bit_header.push_back(
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static_cast<uint8_t>(build_date_string.size() + 1));
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bit_header.insert(bit_header.end(), build_date_string.begin(),
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build_date_string.end());
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bit_header.push_back(0x0);
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bit_header.push_back('d');
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bit_header.push_back(
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static_cast<uint8_t>((build_time_string.size() + 1) >> 8));
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bit_header.push_back(
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static_cast<uint8_t>(build_time_string.size() + 1));
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bit_header.insert(bit_header.end(), build_time_string.begin(),
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build_time_string.end());
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bit_header.push_back(0x0);
|
||||
|
||||
bit_header.insert(bit_header.end(), {'e', 0x0, 0x0, 0x0, 0x0});
|
||||
|
||||
return bit_header;
|
||||
}
|
||||
|
||||
int writeBitstream(const ConfigurationPackage& packets,
|
||||
const std::string& part_name,
|
||||
const std::string& frames_file,
|
||||
const std::string& generator_name,
|
||||
const std::string& output_file) {
|
||||
std::ofstream out_file(output_file, std::ofstream::binary);
|
||||
if (!out_file) {
|
||||
std::cerr << "Unable to open file for writting: " << output_file
|
||||
<< std::endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
BitstreamHeader bit_header(
|
||||
createBitstreamHeader(part_name, frames_file, generator_name));
|
||||
out_file.write(reinterpret_cast<const char*>(bit_header.data()),
|
||||
bit_header.size());
|
||||
|
||||
auto end_of_header_pos = out_file.tellp();
|
||||
auto header_data_length_pos =
|
||||
end_of_header_pos - static_cast<std::ofstream::off_type>(4);
|
||||
|
||||
BitstreamWriter out_bitstream_writer(packets);
|
||||
for (uint32_t word : out_bitstream_writer) {
|
||||
out_file.put((word >> 24) & 0xFF);
|
||||
out_file.put((word >> 16) & 0xFF);
|
||||
out_file.put((word >> 8) & 0xFF);
|
||||
out_file.put((word)&0xFF);
|
||||
}
|
||||
|
||||
uint32_t length_of_data = out_file.tellp() - end_of_header_pos;
|
||||
|
||||
out_file.seekp(header_data_length_pos);
|
||||
out_file.put((length_of_data >> 24) & 0xFF);
|
||||
out_file.put((length_of_data >> 16) & 0xFF);
|
||||
out_file.put((length_of_data >> 8) & 0xFF);
|
||||
out_file.put((length_of_data)&0xFF);
|
||||
return 0;
|
||||
}
|
||||
|
||||
} // namespace xc7series
|
||||
} // namespace xilinx
|
||||
} // namespace prjxray
|
||||
|
|
@ -25,3 +25,10 @@ target_link_libraries(xc7patch
|
|||
gflags
|
||||
libprjxray
|
||||
)
|
||||
add_executable(xc7frames2bit xc7frames2bit.cc)
|
||||
target_link_libraries(xc7frames2bit
|
||||
absl::strings
|
||||
absl::time
|
||||
gflags
|
||||
libprjxray
|
||||
)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,61 @@
|
|||
#include <iostream>
|
||||
|
||||
#include <gflags/gflags.h>
|
||||
#include <prjxray/xilinx/xc7series/utils.h>
|
||||
|
||||
DEFINE_string(part_name, "", "Name of the 7-series part");
|
||||
DEFINE_string(part_file, "", "Definition file for target 7-series part");
|
||||
DEFINE_string(
|
||||
frm_file,
|
||||
"",
|
||||
"File containing a list of frame deltas to be applied to the base "
|
||||
"bitstream. Each line in the file is of the form: "
|
||||
"<frame_address> <word1>,...,<word101>.");
|
||||
DEFINE_string(output_file, "", "Write bitsteam to file");
|
||||
|
||||
namespace xc7series = prjxray::xilinx::xc7series;
|
||||
|
||||
int main(int argc, char* argv[]) {
|
||||
gflags::SetUsageMessage(argv[0]);
|
||||
gflags::ParseCommandLineFlags(&argc, &argv, true);
|
||||
|
||||
auto part = xc7series::Part::FromFile(FLAGS_part_file);
|
||||
if (!part) {
|
||||
std::cerr << "Part file " << FLAGS_part_file
|
||||
<< " not found or invalid" << std::endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
// Read the frames from the input file
|
||||
xc7series::Frames frames;
|
||||
if (frames.readFrames(FLAGS_frm_file)) {
|
||||
std::cerr << "Frames file " << FLAGS_frm_file
|
||||
<< " not found or invalid" << std::endl;
|
||||
return 1;
|
||||
}
|
||||
|
||||
// In case the frames input file is missing some frames that are in the
|
||||
// tilegrid
|
||||
frames.addMissingFrames(part);
|
||||
|
||||
// Create data for the type 2 configuration packet with information
|
||||
// about all frames
|
||||
xc7series::PacketData configuration_packet_data(
|
||||
xc7series::createType2ConfigurationPacketData(frames.getFrames(),
|
||||
part));
|
||||
|
||||
// Put together a configuration package
|
||||
xc7series::ConfigurationPackage configuration_package;
|
||||
xc7series::createConfigurationPackage(configuration_package,
|
||||
configuration_packet_data, part);
|
||||
|
||||
// Write bitstream
|
||||
if (xc7series::writeBitstream(configuration_package, FLAGS_part_name,
|
||||
FLAGS_frm_file, "xc7frames2bit",
|
||||
FLAGS_output_file)) {
|
||||
std::cerr << "Failed to write bitstream" << std::endl
|
||||
<< "Exitting" << std::endl;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue