52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#include <map>
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#if defined(WIN32)
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#define NOMINMAX
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#include <windows.h>
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#endif
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#include <boost/filesystem.hpp>
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#include <boost/iostreams/device/mapped_file.hpp>
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#include "embed.h"
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#include "nextpnr.h"
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NEXTPNR_NAMESPACE_BEGIN
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#if defined(EXTERNAL_CHIPDB_ROOT)
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const void *get_chipdb(const std::string &filename)
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{
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static std::map<std::string, boost::iostreams::mapped_file> files;
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if (!files.count(filename)) {
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std::string full_filename = EXTERNAL_CHIPDB_ROOT "/" + filename;
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if (boost::filesystem::exists(full_filename))
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files[filename].open(full_filename, boost::iostreams::mapped_file::priv);
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}
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if (files.count(filename))
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return files.at(filename).data();
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return nullptr;
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}
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#elif defined(WIN32)
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const void *get_chipdb(const std::string &filename)
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{
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HRSRC rc = ::FindResource(nullptr, filename.c_str(), RT_RCDATA);
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HGLOBAL rcData = ::LoadResource(nullptr, rc);
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return ::LockResource(rcData);
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}
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#else
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EmbeddedFile *EmbeddedFile::head = nullptr;
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const void *get_chipdb(const std::string &filename)
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{
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for (EmbeddedFile *file = EmbeddedFile::head; file; file = file->next)
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if (file->filename == filename)
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return file->content;
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return nullptr;
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}
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#endif
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NEXTPNR_NAMESPACE_END
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