From 1f4e4d7724e91fe0ee11cdce7b7eace2b307f0cf Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Mon, 19 Oct 2015 17:02:56 +0200 Subject: Started work on icetime --- icetime/.gitignore | 3 + icetime/Makefile | 25 ++++++ icetime/icetime.cc | 225 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 253 insertions(+) create mode 100644 icetime/.gitignore create mode 100644 icetime/Makefile create mode 100644 icetime/icetime.cc (limited to 'icetime') diff --git a/icetime/.gitignore b/icetime/.gitignore new file mode 100644 index 0000000..a28ed80 --- /dev/null +++ b/icetime/.gitignore @@ -0,0 +1,3 @@ +icetime +*.d +*.o diff --git a/icetime/Makefile b/icetime/Makefile new file mode 100644 index 0000000..aead84a --- /dev/null +++ b/icetime/Makefile @@ -0,0 +1,25 @@ +# CXX = clang +CXX ?= clang +LDLIBS = -lm -lstdc++ +CXXFLAGS = -MD -O0 -ggdb -Wall -std=c++11 -I/usr/local/include +CC = $(CXX) +DESTDIR = /usr/local + +all: icetime + +icetime: icetime.o + +install: all + cp icetime $(DESTDIR)/bin/icetime + +uninstall: + rm -f $(DESTDIR)/bin/icetime + +clean: + rm -f icetime + rm -f *.o *.d + +-include *.d + +.PHONY: all install uninstall clean + diff --git a/icetime/icetime.cc b/icetime/icetime.cc new file mode 100644 index 0000000..61a63ed --- /dev/null +++ b/icetime/icetime.cc @@ -0,0 +1,225 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +FILE *fin, *fout; + +std::string config_device; +std::vector> config_tile_type; +std::vector>>> config_bits; + +struct net_segment_name +{ + int tile_x, tile_y; + std::string segment_name; + + net_segment_name(int x, int y, std::string n) : + tile_x(x), tile_y(y), segment_name(n) { } + + bool operator<(const net_segment_name &other) const { + if (tile_x != other.tile_x) + return tile_x < other.tile_x; + if (tile_y != other.tile_y) + return tile_y < other.tile_y; + return segment_name < other.segment_name; + } +}; + +std::map segment_to_net; +std::vector> net_to_segments; +std::map> net_buffers, net_rbuffers, net_routing; +std::set used_nets; + +void read_chipdb() +{ + char buffer[1024]; + snprintf(buffer, 1024, "/usr/local/share/icebox/chipdb-%s.txt", config_device.c_str()); + + FILE *fdb = fopen(buffer, "r"); + if (fdb == nullptr) { + perror("Can't open chipdb file"); + exit(1); + } + + + std::string mode; + int current_net = -1; + std::string thiscfg; + + while (fgets(buffer, 1024, fdb)) + { + if (buffer[0] == '#') + continue; + + const char *tok = strtok(buffer, " \t\r\n"); + if (tok == nullptr) + continue; + + if (tok[0] == '.') + { + mode = tok; + + if (mode == ".net") + { + current_net = atoi(strtok(nullptr, " \t\r\n")); + if (current_net >= int(net_to_segments.size())) + net_to_segments.resize(current_net+1); + } + + if (mode == ".buffer" || mode == ".routing") + { + int tile_x = atoi(strtok(nullptr, " \t\r\n")); + int tile_y = atoi(strtok(nullptr, " \t\r\n")); + current_net = atoi(strtok(nullptr, " \t\r\n")); + + thiscfg = ""; + while ((tok = strtok(nullptr, " \t\r\n")) != nullptr) { + int bit_row, bit_col, rc; + rc = sscanf(tok, "B%d[%d]", &bit_row, &bit_col); + assert(rc == 2); + thiscfg.push_back(config_bits[tile_x][tile_y][bit_row][bit_col] ? '1' : '0'); + } + } + + continue; + } + + if (mode == ".net") { + int tile_x = atoi(tok); + int tile_y = atoi(strtok(nullptr, " \t\r\n")); + std::string segment_name = strtok(nullptr, " \t\r\n"); + net_segment_name seg(tile_x, tile_y, segment_name); + segment_to_net[seg] = current_net; + net_to_segments[current_net].insert(seg); + } + + if (mode == ".buffer" && !strcmp(tok, thiscfg.c_str())) { + int other_net = atoi(strtok(nullptr, " \t\r\n")); + net_rbuffers[current_net].insert(other_net); + net_buffers[other_net].insert(current_net); + used_nets.insert(current_net); + used_nets.insert(other_net); + } + + if (mode == ".routing" && !strcmp(tok, thiscfg.c_str())) { + int other_net = atoi(strtok(nullptr, " \t\r\n")); + net_routing[current_net].insert(other_net); + net_routing[other_net].insert(current_net); + used_nets.insert(current_net); + used_nets.insert(other_net); + } + } + + fclose(fdb); +} + +void read_config() +{ + char buffer[128]; + int tile_x, tile_y, line_nr = -1; + + while (fgets(buffer, 128, fin)) + { + if (buffer[0] == '.') + { + line_nr = -1; + const char *tok = strtok(buffer, " \t\r\n"); + + if (!strcmp(tok, ".device")) + { + config_device = strtok(nullptr, " \t\r\n"); + } else + if (!strcmp(tok, ".io_tile") || !strcmp(tok, ".logic_tile") || + !strcmp(tok, ".ramb_tile") || !strcmp(tok, ".ramt_tile")) + { + line_nr = 0; + tile_x = atoi(strtok(nullptr, " \t\r\n")); + tile_y = atoi(strtok(nullptr, " \t\r\n")); + + if (tile_x >= int(config_tile_type.size())) { + config_tile_type.resize(tile_x+1); + config_bits.resize(tile_x+1); + } + + if (tile_y >= int(config_tile_type.at(tile_x).size())) { + config_tile_type.at(tile_x).resize(tile_y+1); + config_bits.at(tile_x).resize(tile_y+1); + } + + if (!strcmp(tok, ".io_tile")) + config_tile_type.at(tile_x).at(tile_y) = "io"; + if (!strcmp(tok, ".logic_tile")) + config_tile_type.at(tile_x).at(tile_y) = "logic"; + if (!strcmp(tok, ".ramb_tile")) + config_tile_type.at(tile_x).at(tile_y) = "ramb"; + if (!strcmp(tok, ".ramt_tile")) + config_tile_type.at(tile_x).at(tile_y) = "ramt"; + } + } else + if (line_nr >= 0) + { + assert(int(config_bits.at(tile_x).at(tile_y).size()) == line_nr); + config_bits.at(tile_x).at(tile_y).resize(line_nr+1); + for (int i = 0; buffer[i] == '0' || buffer[i] == '1'; i++) + config_bits.at(tile_x).at(tile_y).at(line_nr).push_back(buffer[i] == '1'); + line_nr++; + } + } +} + +void help(const char *cmd) +{ + printf("\n"); + printf("Usage: %s [options] input.txt [output.v]\n", cmd); + printf("\n"); + exit(1); +} + +int main(int argc, char **argv) +{ + int opt; + while ((opt = getopt(argc, argv, "")) != -1) + { + switch (opt) + { + default: + help(argv[0]); + } + } + + if (optind+1 == argc) { + fin = fopen(argv[optind], "r"); + if (fin == nullptr) { + perror("Can't open input file"); + exit(1); + } + fout = stdout; + } else + if (optind+2 == argc) { + fin = fopen(argv[optind], "r"); + if (fin == nullptr) { + perror("Can't open input file"); + exit(1); + } + fout = fopen(argv[optind+1], "w"); + if (fout == nullptr) { + perror("Can't open output file"); + exit(1); + } + } else + help(argv[0]); + + printf("// Reading input .txt file..\n"); + read_config(); + + printf("// Reading chipdb file..\n"); + read_chipdb(); + + return 0; +} -- cgit v1.2.3