diff options
Diffstat (limited to 'icepack')
| -rw-r--r-- | icepack/icepack.cc | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/icepack/icepack.cc b/icepack/icepack.cc index 9b38ab5..2eec7ed 100644 --- a/icepack/icepack.cc +++ b/icepack/icepack.cc @@ -968,7 +968,25 @@ void FpgaConfig::write_cram_pbm(std::ostream &ofs, int bank_num) const ofs << "P3\n"; ofs << stringf("%d %d\n", 2*this->cram_width, 2*this->cram_height); ofs << "255\n"; - uint32_t tile_type[4][this->cram_width][this->cram_height]; + + vector<vector<uint32_t>> tile_type[4]; + + // We require random access to tile_type, so ensure that each column of each + // bank is initialised so that all possible indices are valid + for (int bank = 0; bank < 4; bank++) { + tile_type[bank].reserve(this->cram_width); + + for (int x = 0; x < this->cram_width; x++) { + tile_type[bank].push_back(vector<uint32_t>(this->cram_height)); + + for (int y = 0; y < this->cram_height; y++) { + // Initialisation value unimportant - will be overwritten during + // image generation + tile_type[bank][x].push_back(0); + } + } + } + for (int y = 0; y <= this->chip_height()+1; y++) for (int x = 0; x <= this->chip_width()+1; x++) { |