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