diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/register.cc | 42 | ||||
| -rw-r--r-- | kernel/yosys.cc | 21 |
2 files changed, 54 insertions, 9 deletions
diff --git a/kernel/register.cc b/kernel/register.cc index 26da96b95..4c6e3591f 100644 --- a/kernel/register.cc +++ b/kernel/register.cc @@ -25,6 +25,26 @@ #include <stdio.h> #include <errno.h> +#ifdef YOSYS_ENABLE_ZLIB +#include <zlib.h> + +PRIVATE_NAMESPACE_BEGIN +#define GZ_BUFFER_SIZE 8192 +void decompress_gzip(const std::string &filename, std::stringstream &out) +{ + char buffer[GZ_BUFFER_SIZE]; + int bytes_read; + gzFile gzf = gzopen(filename.c_str(), "rb"); + while(!gzeof(gzf)) { + bytes_read = gzread(gzf, reinterpret_cast<void *>(buffer), GZ_BUFFER_SIZE); + out.write(buffer, bytes_read); + } + gzclose(gzf); +} +PRIVATE_NAMESPACE_END + +#endif + YOSYS_NAMESPACE_BEGIN #define MAX_REG_COUNT 1000 @@ -436,6 +456,28 @@ void Frontend::extra_args(std::istream *&f, std::string &filename, std::vector<s delete ff; else f = ff; + if (f != NULL) { + // Check for gzip magic + unsigned char magic[3]; + int n = readsome(*ff, reinterpret_cast<char*>(magic), 3); + if (n == 3 && magic[0] == 0x1f && magic[1] == 0x8b) { + #ifdef YOSYS_ENABLE_ZLIB + log("Found gzip magic in file `%s', decompressing using zlib.\n", filename.c_str()); + if (magic[2] != 8) + log_cmd_error("gzip file `%s' uses unsupported compression type %02x\n", + filename.c_str(), unsigned(magic[2])); + delete ff; + std::stringstream *df = new std::stringstream(); + decompress_gzip(filename, *df); + f = df; + #else + log_cmd_error("File `%s' is a gzip file, but Yosys is compiled without zlib.\n", filename.c_str()); + #endif + } else { + ff->clear(); + ff->seekg(0, std::ios::beg); + } + } } if (f == NULL) log_cmd_error("Can't open input file `%s' for reading: %s\n", filename.c_str(), strerror(errno)); diff --git a/kernel/yosys.cc b/kernel/yosys.cc index a42a7c0b8..191b6d5c7 100644 --- a/kernel/yosys.cc +++ b/kernel/yosys.cc @@ -894,23 +894,26 @@ void run_frontend(std::string filename, std::string command, std::string *backen design = yosys_design; if (command == "auto") { - if (filename.size() > 2 && filename.substr(filename.size()-2) == ".v") + std::string filename_trim = filename; + if (filename_trim.size() > 3 && filename_trim.substr(filename_trim.size()-3) == ".gz") + filename_trim.erase(filename_trim.size()-3); + if (filename_trim.size() > 2 && filename_trim.substr(filename_trim.size()-2) == ".v") command = "verilog"; - else if (filename.size() > 2 && filename.substr(filename.size()-3) == ".sv") + else if (filename_trim.size() > 2 && filename_trim.substr(filename_trim.size()-3) == ".sv") command = "verilog -sv"; - else if (filename.size() > 3 && filename.substr(filename.size()-4) == ".vhd") + else if (filename_trim.size() > 3 && filename_trim.substr(filename_trim.size()-4) == ".vhd") command = "vhdl"; - else if (filename.size() > 4 && filename.substr(filename.size()-5) == ".blif") + else if (filename_trim.size() > 4 && filename_trim.substr(filename_trim.size()-5) == ".blif") command = "blif"; - else if (filename.size() > 5 && filename.substr(filename.size()-6) == ".eblif") + else if (filename_trim.size() > 5 && filename_trim.substr(filename_trim.size()-6) == ".eblif") command = "blif"; - else if (filename.size() > 4 && filename.substr(filename.size()-5) == ".json") + else if (filename_trim.size() > 4 && filename_trim.substr(filename_trim.size()-5) == ".json") command = "json"; - else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".il") + else if (filename_trim.size() > 3 && filename_trim.substr(filename_trim.size()-3) == ".il") command = "ilang"; - else if (filename.size() > 3 && filename.substr(filename.size()-3) == ".ys") + else if (filename_trim.size() > 3 && filename_trim.substr(filename_trim.size()-3) == ".ys") command = "script"; - else if (filename.size() > 3 && filename.substr(filename.size()-4) == ".tcl") + else if (filename_trim.size() > 3 && filename_trim.substr(filename_trim.size()-4) == ".tcl") command = "tcl"; else if (filename == "-") command = "script"; |