diff options
Diffstat (limited to 'ice40/arch.cc')
| -rw-r--r-- | ice40/arch.cc | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/ice40/arch.cc b/ice40/arch.cc index f6084e72..23a2130c 100644 --- a/ice40/arch.cc +++ b/ice40/arch.cc @@ -19,6 +19,7 @@ */ #include <algorithm> +#include <boost/iostreams/device/mapped_file.hpp> #include <cmath> #include "cells.h" #include "gfx.h" @@ -48,9 +49,37 @@ static const ChipInfoPOD *get_chip_info(const RelPtr<ChipInfoPOD> *ptr) { return void load_chipdb(); #endif +#if defined(EXTERNAL_CHIPDB_ROOT) +const char *chipdb_blob_384 = nullptr; +const char *chipdb_blob_1k = nullptr; +const char *chipdb_blob_5k = nullptr; +const char *chipdb_blob_8k = nullptr; + +boost::iostreams::mapped_file_source blob_files[4]; + +const char *mmap_file(int index, const char *filename) +{ + try { + blob_files[index].open(filename); + if (!blob_files[index].is_open()) + log_error("Unable to read chipdb %s\n", filename); + return (const char *)blob_files[index].data(); + } catch (...) { + log_error("Unable to read chipdb %s\n", filename); + } +} + +void load_chipdb() +{ + chipdb_blob_384 = mmap_file(0, EXTERNAL_CHIPDB_ROOT "/ice40/chipdb-384.bin"); + chipdb_blob_1k = mmap_file(1, EXTERNAL_CHIPDB_ROOT "/ice40/chipdb-1k.bin"); + chipdb_blob_5k = mmap_file(2, EXTERNAL_CHIPDB_ROOT "/ice40/chipdb-5k.bin"); + chipdb_blob_8k = mmap_file(3, EXTERNAL_CHIPDB_ROOT "/ice40/chipdb-8k.bin"); +} +#endif Arch::Arch(ArchArgs args) : args(args) { -#if defined(_MSC_VER) +#if defined(_MSC_VER) || defined(EXTERNAL_CHIPDB_ROOT) load_chipdb(); #endif |