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BIOS: Add FindBIOSPathWithHash()

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This commit is contained in:
Stenzek 2023-08-30 17:32:52 +10:00
parent 7b196d5c3c
commit ae9cf5b889
2 changed files with 32 additions and 0 deletions
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29
src/core/bios.cpp
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@ -367,6 +367,35 @@ std::optional<std::vector<u8>> BIOS::FindBIOSImageInDirectory(ConsoleRegion regi
return fallback_image;
}
std::string BIOS::FindBIOSPathWithHash(const char* directory, const Hash& hash)
{
FileSystem::FindResultsArray files;
FileSystem::FindFiles(directory, "*",
FILESYSTEM_FIND_FILES | FILESYSTEM_FIND_HIDDEN_FILES | FILESYSTEM_FIND_RELATIVE_PATHS, &files);
std::string ret;
for (FILESYSTEM_FIND_DATA& fd : files)
{
if (fd.Size != BIOS_SIZE && fd.Size != BIOS_SIZE_PS2 && fd.Size != BIOS_SIZE_PS3)
continue;
std::string full_path(Path::Combine(directory, fd.FileName));
std::optional<Image> found_image = LoadImageFromFile(full_path.c_str());
if (!found_image)
continue;
const BIOS::Hash found_hash = GetImageHash(found_image.value());
if (found_hash == hash)
{
ret = std::move(full_path);
break;
}
}
return ret;
}
std::vector<std::pair<std::string, const BIOS::ImageInfo*>> BIOS::FindBIOSImagesInDirectory(const char* directory)
{
std::vector<std::pair<std::string, const ImageInfo*>> results;

3
src/core/bios.h
View file

@ -80,6 +80,9 @@ std::optional<std::vector<u8>> GetBIOSImage(ConsoleRegion region);
/// BIOS image within 512KB and 4MB will be used.
std::optional<std::vector<u8>> FindBIOSImageInDirectory(ConsoleRegion region, const char* directory);
/// Returns a BIOS image which matches the specified hash.
std::string FindBIOSPathWithHash(const char* directory, const BIOS::Hash& hash);
/// Returns a list of filenames and descriptions for BIOS images in a directory.
std::vector<std::pair<std::string, const BIOS::ImageInfo*>> FindBIOSImagesInDirectory(const char* directory);