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prjxray
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prjxray/tools/xc7patch.cc

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#include <algorithm>
#include <fstream>
#include <iostream>
#include <iterator>
#include <string>
#include <vector>
#include <absl/strings/str_cat.h>
#include <absl/strings/str_split.h>
#include <absl/time/clock.h>
#include <absl/time/time.h>
#include <gflags/gflags.h>
#include <prjxray/memory_mapped_file.h>
#include <prjxray/xilinx/xc7series/bitstream_reader.h>
#include <prjxray/xilinx/xc7series/bitstream_writer.h>
#include <prjxray/xilinx/xc7series/command.h>
#include <prjxray/xilinx/xc7series/configuration.h>
#include <prjxray/xilinx/xc7series/configuration_options_0_value.h>
#include <prjxray/xilinx/xc7series/configuration_packet_with_payload.h>
#include <prjxray/xilinx/xc7series/ecc.h>
#include <prjxray/xilinx/xc7series/nop_packet.h>
#include <prjxray/xilinx/xc7series/part.h>
DEFINE_string(part_name, "", "");
DEFINE_string(part_file, "", "Definition file for target 7-series part");
DEFINE_string(bitstream_file,
"",
"Initial bitstream to which the deltas are applied.");
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 patched bitsteam to file");
namespace xc7series = prjxray::xilinx::xc7series;
int patch_frames(
const std::string& frm_file_str,
std::map<xc7series::FrameAddress, std::vector<uint32_t>>* frames) {
// Apply the deltas.
std::ifstream frm_file(frm_file_str);
if (!frm_file) {
std::cerr << "Unable to open frm file: " << frm_file_str
<< std::endl;
return 1;
}
std::string frm_line;
while (std::getline(frm_file, frm_line)) {
if (frm_line[0] == '#')
continue;
std::pair<std::string, std::string> frame_delta =
absl::StrSplit(frm_line, ' ');
uint32_t frame_address =
std::stoul(frame_delta.first, nullptr, 16);
auto iter = frames->find(frame_address);
if (iter == frames->end()) {
std::cerr << "frame address 0x" << std::hex
<< frame_address
<< " because it was not found in frames."
<< std::endl;
return 1;
}
auto& frame_data = iter->second;
frame_data.resize(101);
std::vector<std::string> frame_data_strings =
absl::StrSplit(frame_delta.second, ',');
if (frame_data_strings.size() != 101) {
std::cerr << "Frame " << std::hex << frame_address
<< ": found " << std::dec
<< frame_data_strings.size()
<< "words instead of 101";
continue;
};
std::transform(frame_data_strings.begin(),
frame_data_strings.end(), frame_data.begin(),
[](const std::string& val) -> uint32_t {
return std::stoul(val, nullptr, 16);
});
uint32_t ecc = 0;
for (size_t ii = 0; ii < frame_data.size(); ++ii) {
ecc = xc7series::icap_ecc(ii, frame_data[ii], ecc);
}
// Replace the old ECC with the new.
frame_data[0x32] &= 0xFFFFE000;
frame_data[0x32] |= (ecc & 0x1FFF);
}
return 0;
}
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 not found or invalid" << std::endl;
return 1;
}
auto bitstream_file =
prjxray::MemoryMappedFile::InitWithFile(FLAGS_bitstream_file);
if (!bitstream_file) {
std::cerr << "Can't open base bitstream file: "
<< FLAGS_bitstream_file << std::endl;
return 1;
}
auto bitstream_reader = xc7series::BitstreamReader::InitWithBytes(
bitstream_file->as_bytes());
if (!bitstream_reader) {
std::cout
<< "Bitstream does not appear to be a 7-series bitstream!"
<< std::endl;
return 1;
}
auto bitstream_config =
xc7series::Configuration::InitWithPackets(*part, *bitstream_reader);
if (!bitstream_config) {
std::cerr << "Bitstream does not appear to be for this part"
<< std::endl;
return 1;
}
// Copy the base frames to a mutable collection
std::map<xc7series::FrameAddress, std::vector<uint32_t>> frames;
for (auto& frame_val : bitstream_config->frames()) {
auto& cur_frame = frames[frame_val.first];
std::copy(frame_val.second.begin(), frame_val.second.end(),
std::back_inserter(cur_frame));
}
if (!FLAGS_frm_file.empty()) {
int ret = patch_frames(FLAGS_frm_file, &frames);
if (ret != 0) {
return ret;
}
}
std::vector<std::unique_ptr<xc7series::ConfigurationPacket>>
out_packets;
// Generate a single type 2 packet that writes everything at once.
std::vector<uint32_t> packet_data;
for (auto& frame : frames) {
std::copy(frame.second.begin(), frame.second.end(),
std::back_inserter(packet_data));
auto next_address = part->GetNextFrameAddress(frame.first);
if (next_address &&
(next_address->block_type() != frame.first.block_type() ||
next_address->is_bottom_half_rows() !=
frame.first.is_bottom_half_rows() ||
next_address->row() != frame.first.row())) {
packet_data.insert(packet_data.end(), 202, 0);
}
}
packet_data.insert(packet_data.end(), 202, 0);
// Initialization sequence
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::TIMER, {0x0}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::WBSTAR, {0x0}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::NOP)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::RCRC)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::UNKNOWN, {0x0}));
// Configuration Options 0
out_packets.emplace_back(new xc7series::ConfigurationPacketWithPayload<
1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::COR0,
{xc7series::ConfigurationOptions0Value()
.SetAddPipelineStageForDoneIn(true)
.SetReleaseDonePinAtStartupCycle(
xc7series::ConfigurationOptions0Value::SignalReleaseCycle::
Phase4)
.SetStallAtStartupCycleUntilDciMatch(
xc7series::ConfigurationOptions0Value::StallCycle::NoWait)
.SetStallAtStartupCycleUntilMmcmLock(
xc7series::ConfigurationOptions0Value::StallCycle::NoWait)
.SetReleaseGtsSignalAtStartupCycle(
xc7series::ConfigurationOptions0Value::SignalReleaseCycle::
Phase5)
.SetReleaseGweSignalAtStartupCycle(
xc7series::ConfigurationOptions0Value::SignalReleaseCycle::
Phase6)}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::COR1, {0x0}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::IDCODE, {part->idcode()}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::SWITCH)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::MASK, {0x401}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CTL0, {0x501}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::MASK, {0x0}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CTL1, {0x0}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::FAR, {0x0}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::WCFG)}));
out_packets.emplace_back(new xc7series::NopPacket());
// Frame data write
out_packets.emplace_back(new xc7series::ConfigurationPacket(
1, xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::FDRI, {}));
out_packets.emplace_back(new xc7series::ConfigurationPacket(
2, xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::FDRI, packet_data));
// Finalization sequence
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::RCRC)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::GRESTORE)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::LFRM)}));
for (int ii = 0; ii < 100; ++ii) {
out_packets.emplace_back(new xc7series::NopPacket());
}
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::START)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::FAR, {0x3be0000}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::MASK, {0x501}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CTL0, {0x501}));
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::RCRC)}));
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(new xc7series::NopPacket());
out_packets.emplace_back(
new xc7series::ConfigurationPacketWithPayload<1>(
xc7series::ConfigurationPacket::Opcode::Write,
xc7series::ConfigurationRegister::CMD,
{static_cast<uint32_t>(xc7series::Command::DESYNC)}));
for (int ii = 0; ii < 400; ++ii) {
out_packets.emplace_back(new xc7series::NopPacket());
}
// Write bitstream.
xc7series::BitstreamWriter out_bitstream_writer(out_packets);
std::ofstream out_file(FLAGS_output_file);
if (!out_file) {
std::cerr << "Unable to open file for writting: "
<< FLAGS_output_file << std::endl;
return 1;
}
// Xilinx BIT header.
// Sync header
std::vector<uint8_t> bit_header{0x0, 0x9, 0x0f, 0xf0, 0x0f,
0xf0, 0x0f, 0xf0, 0x0f, 0xf0,
0x00, 0x00, 0x01, 'a'};
auto build_source = absl::StrCat(FLAGS_frm_file, ";Generator=xc7patch");
bit_header.push_back(
static_cast<uint8_t>((build_source.size() + 1) >> 8));
bit_header.push_back(static_cast<uint8_t>(build_source.size() + 1));
bit_header.insert(bit_header.end(), build_source.begin(),
build_source.end());
bit_header.push_back(0x0);
// Source file.
bit_header.push_back('b');
bit_header.push_back(
static_cast<uint8_t>((FLAGS_part_name.size() + 1) >> 8));
bit_header.push_back(static_cast<uint8_t>(FLAGS_part_name.size() + 1));
bit_header.insert(bit_header.end(), FLAGS_part_name.begin(),
FLAGS_part_name.end());
bit_header.push_back(0x0);
// Build timestamp.
auto build_time = absl::Now();
auto build_date_string =
absl::FormatTime("%E4Y/%m/%d", build_time, absl::UTCTimeZone());
auto build_time_string =
absl::FormatTime("%H:%M:%S", build_time, absl::UTCTimeZone());
bit_header.push_back('c');
bit_header.push_back(
static_cast<uint8_t>((build_date_string.size() + 1) >> 8));
bit_header.push_back(
static_cast<uint8_t>(build_date_string.size() + 1));
bit_header.insert(bit_header.end(), build_date_string.begin(),
build_date_string.end());
bit_header.push_back(0x0);
bit_header.push_back('d');
bit_header.push_back(
static_cast<uint8_t>((build_time_string.size() + 1) >> 8));
bit_header.push_back(
static_cast<uint8_t>(build_time_string.size() + 1));
bit_header.insert(bit_header.end(), build_time_string.begin(),
build_time_string.end());
bit_header.push_back(0x0);
bit_header.insert(bit_header.end(), {'e', 0x0, 0x0, 0x0, 0x0});
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);
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;
}
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