BIOS: Automatically detect images, improve selection UI

src/core/bios.cpp

@@ -4,6 +4,7 @@
 #include "common/log.h"
 #include "common/md5_digest.h"
 #include "cpu_disasm.h"
+#include <array>
 #include <cerrno>
 Log_SetChannel(BIOS);
 
@@ -36,16 +37,28 @@ std::string Hash::ToString() const
   return str;
 }
 
-static constexpr Hash SCPH_1000_HASH = MakeHashFromString("239665b1a3dade1b5a52c06338011044");
+static constexpr std::array<ImageInfo, 12> s_image_infos = {{
-static constexpr Hash SCPH_1001_HASH = MakeHashFromString("924e392ed05558ffdb115408c263dccf");
+  {"SCPH-1000, DTL-H1000 (v1.0 J)", ConsoleRegion::NTSC_J, MakeHashFromString("239665b1a3dade1b5a52c06338011044")},
-static constexpr Hash SCPH_1002_HASH = MakeHashFromString("54847e693405ffeb0359c6287434cbef");
+  {"SCPH-1001, 5003, DTL-H1201, H3001 (v2.2 12-04-95 A)", ConsoleRegion::NTSC_U,
-static constexpr Hash SCPH_3000_HASH = MakeHashFromString("849515939161e62f6b866f6853006780");
+   MakeHashFromString("924e392ed05558ffdb115408c263dccf")},
-static constexpr Hash SCPH_5500_HASH = MakeHashFromString("8dd7d5296a650fac7319bce665a6a53c");
+  {"SCPH-1002, DTL-H1002 (v2.0 05-10-95 E)", ConsoleRegion::PAL,
-static constexpr Hash SCPH_5501_HASH = MakeHashFromString("490f666e1afb15b7362b406ed1cea246");
+   MakeHashFromString("54847e693405ffeb0359c6287434cbef")},
-static constexpr Hash SCPH_5502_HASH = MakeHashFromString("32736f17079d0b2b7024407c39bd3050");
+  {"SCPH-3000, DTL-H1000H (v1.1 01-22-95)", ConsoleRegion::NTSC_J,
-static constexpr Hash SCPH_7001_HASH = MakeHashFromString("1e68c231d0896b7eadcad1d7d8e76129");
+   MakeHashFromString("849515939161e62f6b866f6853006780")},
-static constexpr Hash SCPH_7002_HASH = MakeHashFromString("b9d9a0286c33dc6b7237bb13cd46fdee");
+  {"SCPH-5000, DTL-H1200, H3000 (v2.2 12-04-95 J)", ConsoleRegion::NTSC_J,
-static constexpr Hash SCPH_POPS660_HASH = MakeHashFromString("c53ca5908936d412331790f4426c6c33");
+   MakeHashFromString("8dd7d5296a650fac7319bce665a6a53c")},
+  {"SCPH-5501, 5503, 7003 (v3.0 11-18-96 A)", ConsoleRegion::NTSC_U,
+   MakeHashFromString("490f666e1afb15b7362b406ed1cea246")},
+  {"SCPH-5502, 5552 (v3.0 01-06-97 E)", ConsoleRegion::PAL, MakeHashFromString("32736f17079d0b2b7024407c39bd3050")},
+  {"SCPH-7000, 7500, 9000 (v4.0 08-18-97 J)", ConsoleRegion::NTSC_J,
+   MakeHashFromString("8e4c14f567745eff2f0408c8129f72a6")},
+  {"SCPH-7000W (v4.1 11-14-97 A)", ConsoleRegion::NTSC_J, MakeHashFromString("b84be139db3ee6cbd075630aa20a6553")},
+  {"SCPH-7001, 7501, 7503, 9001, 9003, 9903 (v4.1 12-16-97 A)", ConsoleRegion::NTSC_U,
+   MakeHashFromString("1e68c231d0896b7eadcad1d7d8e76129")},
+  {"SCPH-7002, 7502, 9002 (v4.1 12-16-97 E)", ConsoleRegion::PAL,
+   MakeHashFromString("b9d9a0286c33dc6b7237bb13cd46fdee")},
+  {"POPS-660 (PSP)", ConsoleRegion::Auto, MakeHashFromString("c53ca5908936d412331790f4426c6c33")},
+}};
 
 Hash GetHash(const Image& image)
 {
@@ -56,14 +69,13 @@ Hash GetHash(const Image& image)
   return hash;
 }
 
-std::optional<Image> LoadImageFromFile(std::string_view filename)
+std::optional<Image> LoadImageFromFile(const char* filename)
 {
   Image ret(BIOS_SIZE);
-  std::string filename_str(filename);
+  auto fp = FileSystem::OpenManagedCFile(filename, "rb");
-  auto fp = FileSystem::OpenManagedCFile(filename_str.c_str(), "rb");
   if (!fp)
   {
-    Log_ErrorPrintf("Failed to open BIOS image '%s', errno=%d", filename_str.c_str(), errno);
+    Log_ErrorPrintf("Failed to open BIOS image '%s', errno=%d", filename, errno);
     return std::nullopt;
   }
 
@@ -73,21 +85,20 @@ std::optional<Image> LoadImageFromFile(std::string_view filename)
 
   if (size != BIOS_SIZE)
   {
-    Log_ErrorPrintf("BIOS image '%s' mismatch, expecting %u bytes, got %u bytes", filename_str.c_str(), BIOS_SIZE,
+    Log_ErrorPrintf("BIOS image '%s' mismatch, expecting %u bytes, got %u bytes", filename, BIOS_SIZE, size);
-                    size);
     return std::nullopt;
   }
 
   if (std::fread(ret.data(), 1, ret.size(), fp.get()) != ret.size())
   {
-    Log_ErrorPrintf("Failed to read BIOS image '%s'", filename_str.c_str());
+    Log_ErrorPrintf("Failed to read BIOS image '%s'", filename);
     return std::nullopt;
   }
 
   return ret;
 }
 
-std::optional<Hash> GetHashForFile(const std::string_view filename)
+std::optional<Hash> GetHashForFile(const char* filename)
 {
   auto image = LoadImageFromFile(filename);
   if (!image)
@@ -96,23 +107,24 @@ std::optional<Hash> GetHashForFile(const std::string_view filename)
   return GetHash(*image);
 }
 
+const ImageInfo* GetImageInfoForHash(const Hash& hash)
+{
+  for (const ImageInfo& ii : s_image_infos)
+  {
+    if (ii.hash == hash)
+      return &ii;
+  }
+
+  return nullptr;
+}
+
 bool IsValidHashForRegion(ConsoleRegion region, const Hash& hash)
 {
-  switch (region)
+  const ImageInfo* ii = GetImageInfoForHash(hash);
-  {
+  if (!ii)
-    case ConsoleRegion::NTSC_J:
+    return false;
-      return (hash == SCPH_1000_HASH || hash == SCPH_3000_HASH || hash == SCPH_5500_HASH || hash == SCPH_POPS660_HASH);
 
-    case ConsoleRegion::NTSC_U:
+  return (ii->region == ConsoleRegion::Auto || ii->region == region);
-      return (hash == SCPH_1001_HASH || hash == SCPH_5501_HASH || hash == SCPH_7001_HASH || hash == SCPH_POPS660_HASH);
-
-    case ConsoleRegion::PAL:
-      return (hash == SCPH_1002_HASH || hash == SCPH_5502_HASH || hash == SCPH_7002_HASH || hash == SCPH_POPS660_HASH);
-
-    case ConsoleRegion::Auto:
-    default:
-      return false;
-  }
 }
 
 void PatchBIOS(Image& bios, u32 address, u32 value, u32 mask /*= UINT32_C(0xFFFFFFFF)*/)
@@ -135,9 +147,8 @@ void PatchBIOS(Image& bios, u32 address, u32 value, u32 mask /*= UINT32_C(0xFFFF
 
 bool PatchBIOSEnableTTY(Image& image, const Hash& hash)
 {
-  if (hash != SCPH_1000_HASH && hash != SCPH_1001_HASH && hash != SCPH_1002_HASH && hash != SCPH_3000_HASH &&
+  const ImageInfo* ii = GetImageInfoForHash(hash);
-      hash != SCPH_5500_HASH && hash != SCPH_5501_HASH && hash != SCPH_5502_HASH && hash != SCPH_7001_HASH &&
+  if (!ii)
-      hash != SCPH_7002_HASH && hash != SCPH_POPS660_HASH)
   {
     Log_WarningPrintf("Incompatible version for TTY patch: %s", hash.ToString().c_str());
     return false;
@@ -151,9 +162,8 @@ bool PatchBIOSEnableTTY(Image& image, const Hash& hash)
 
 bool PatchBIOSFastBoot(Image& image, const Hash& hash)
 {
-  if (hash != SCPH_1000_HASH && hash != SCPH_1001_HASH && hash != SCPH_1002_HASH && hash != SCPH_3000_HASH &&
+  const ImageInfo* ii = GetImageInfoForHash(hash);
-      hash != SCPH_5500_HASH && hash != SCPH_5501_HASH && hash != SCPH_5502_HASH && hash != SCPH_7001_HASH &&
+  if (!ii)
-      hash != SCPH_7002_HASH && hash != SCPH_POPS660_HASH)
   {
     Log_WarningPrintf("Incompatible version for fast-boot patch: %s", hash.ToString().c_str());
     return false;

src/core/bios.h

@@ -24,6 +24,13 @@ struct Hash
   std::string ToString() const;
 };
 
+struct ImageInfo
+{
+  const char* description;
+  ConsoleRegion region;
+  Hash hash;
+};
+
 #pragma pack(push, 1)
 struct PSEXEHeader
 {
@@ -46,9 +53,10 @@ static_assert(sizeof(PSEXEHeader) == 0x800);
 #pragma pack(pop)
 
 Hash GetHash(const Image& image);
-std::optional<Image> LoadImageFromFile(std::string_view filename);
+std::optional<Image> LoadImageFromFile(const char* filename);
-std::optional<Hash> GetHashForFile(std::string_view filename);
+std::optional<Hash> GetHashForFile(const char* filename);
 
+const ImageInfo* GetImageInfoForHash(const Hash& hash);
 bool IsValidHashForRegion(ConsoleRegion region, const Hash& hash);
 
 void PatchBIOS(Image& image, u32 address, u32 value, u32 mask = UINT32_C(0xFFFFFFFF));

src/core/host_interface.cpp

@@ -201,84 +201,132 @@ void HostInterface::AddFormattedOSDMessage(float duration, const char* format, .
 
 std::optional<std::vector<u8>> HostInterface::GetBIOSImage(ConsoleRegion region)
 {
-  // Try the other default filenames in the directory of the configured BIOS.
+  const std::string* bios_path;
-#define TRY_FILENAME(filename)                                                                                         \
-  do                                                                                                                   \
-  {                                                                                                                    \
-    String try_filename = filename;                                                                                    \
-    std::optional<BIOS::Image> found_image = BIOS::LoadImageFromFile(try_filename.GetCharArray());                     \
-    if (found_image)                                                                                                   \
-    {                                                                                                                  \
-      BIOS::Hash found_hash = BIOS::GetHash(*found_image);                                                             \
-      Log_DevPrintf("Hash for BIOS '%s': %s", try_filename.GetCharArray(), found_hash.ToString().c_str());             \
-      if (BIOS::IsValidHashForRegion(region, found_hash))                                                              \
-      {                                                                                                                \
-        Log_InfoPrintf("Using BIOS from '%s' for region '%s'", try_filename.GetCharArray(),                            \
-                       Settings::GetConsoleRegionName(region));                                                        \
-        return found_image;                                                                                            \
-      }                                                                                                                \
-    }                                                                                                                  \
-  } while (0)
-
-  // Try the configured image.
-  TRY_FILENAME(g_settings.bios_path.c_str());
-
-  // Try searching in the same folder for other region's images.
   switch (region)
   {
     case ConsoleRegion::NTSC_J:
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph3000.bin", false, false));
+      bios_path = &g_settings.bios_path_ntsc_j;
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-11j.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph1000.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-10j.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph5500.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-30j.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7000.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7500.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph9000.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-40j.bin", false, false));
-      break;
-
-    case ConsoleRegion::NTSC_U:
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph1001.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-22a.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph5501.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph5503.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7003.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-30a.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7001.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7501.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7503.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph9001.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph9003.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph9903.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-41a.bin", false, false));
       break;
 
     case ConsoleRegion::PAL:
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph1002.bin", false, false));
+      bios_path = &g_settings.bios_path_pal;
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-21e.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph5502.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph5552.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-30e.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7002.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph7502.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "scph9002.bin", false, false));
-      TRY_FILENAME(FileSystem::BuildPathRelativeToFile(g_settings.bios_path.c_str(), "ps-41e.bin", false, false));
       break;
 
+    case ConsoleRegion::NTSC_U:
     default:
+      bios_path = &g_settings.bios_path_ntsc_u;
       break;
   }
 
-#undef RELATIVE_PATH
+  if (bios_path->empty())
-#undef TRY_FILENAME
+  {
+    // auto-detect
+    return FindBIOSImageInDirectory(region, GetUserDirectoryRelativePath("bios").c_str());
+  }
 
-  // Fall back to the default image.
+  // try the configured path
-  Log_WarningPrintf("No suitable BIOS image for region %s could be located, using configured image '%s'. This may "
+  std::optional<BIOS::Image> image = BIOS::LoadImageFromFile(
-                    "result in instability.",
+    GetUserDirectoryRelativePath("bios" FS_OSPATH_SEPARATOR_STR "%s", bios_path->c_str()).c_str());
-                    Settings::GetConsoleRegionName(region), g_settings.bios_path.c_str());
+  if (!image.has_value())
-  return BIOS::LoadImageFromFile(g_settings.bios_path);
+  {
+    g_host_interface->ReportFormattedError(
+      g_host_interface->TranslateString("HostInterface", "Failed to load configured BIOS file '%s'"),
+      bios_path->c_str());
+    return std::nullopt;
+  }
+
+  BIOS::Hash found_hash = BIOS::GetHash(*image);
+  Log_DevPrintf("Hash for BIOS '%s': %s", bios_path->c_str(), found_hash.ToString().c_str());
+
+  if (!BIOS::IsValidHashForRegion(region, found_hash))
+    Log_WarningPrintf("Hash for BIOS '%s' does not match region. This may cause issues.", bios_path->c_str());
+
+  return image;
+}
+
+std::optional<std::vector<u8>> HostInterface::FindBIOSImageInDirectory(ConsoleRegion region, const char* directory)
+{
+  Log_InfoPrintf("Searching for a %s BIOS in '%s'...", Settings::GetConsoleRegionDisplayName(region), directory);
+
+  FileSystem::FindResultsArray results;
+  FileSystem::FindFiles(
+    directory, "*", FILESYSTEM_FIND_FILES | FILESYSTEM_FIND_HIDDEN_FILES | FILESYSTEM_FIND_RELATIVE_PATHS, &results);
+
+  std::string fallback_path;
+  std::optional<BIOS::Image> fallback_image;
+
+  for (const FILESYSTEM_FIND_DATA& fd : results)
+  {
+    if (fd.Size != BIOS::BIOS_SIZE)
+    {
+      Log_WarningPrintf("Skipping '%s': incorrect size", fd.FileName.c_str());
+      continue;
+    }
+
+    std::string full_path(
+      StringUtil::StdStringFromFormat("%s" FS_OSPATH_SEPARATOR_STR "%s", directory, fd.FileName.c_str()));
+
+    std::optional<BIOS::Image> found_image = BIOS::LoadImageFromFile(full_path.c_str());
+    if (!found_image)
+      continue;
+
+    BIOS::Hash found_hash = BIOS::GetHash(*found_image);
+    Log_DevPrintf("Hash for BIOS '%s': %s", fd.FileName.c_str(), found_hash.ToString().c_str());
+
+    if (BIOS::IsValidHashForRegion(region, found_hash))
+    {
+      Log_InfoPrintf("Using BIOS '%s'", fd.FileName.c_str());
+      return found_image;
+    }
+
+    fallback_path = std::move(full_path);
+    fallback_image = std::move(found_image);
+  }
+
+  if (!fallback_image.has_value())
+  {
+    g_host_interface->ReportFormattedError(
+      g_host_interface->TranslateString("HostInterface", "No BIOS image found for %s region"),
+      Settings::GetConsoleRegionDisplayName(region));
+    return std::nullopt;
+  }
+
+  Log_WarningPrintf("Falling back to possibly-incompatible image '%s'", fallback_path.c_str());
+  return fallback_image;
+}
+
+std::vector<std::pair<std::string, const BIOS::ImageInfo*>>
+HostInterface::FindBIOSImagesInDirectory(const char* directory)
+{
+  std::vector<std::pair<std::string, const BIOS::ImageInfo*>> results;
+
+  FileSystem::FindResultsArray files;
+  FileSystem::FindFiles(directory, "*",
+                        FILESYSTEM_FIND_FILES | FILESYSTEM_FIND_HIDDEN_FILES | FILESYSTEM_FIND_RELATIVE_PATHS, &files);
+
+  for (FILESYSTEM_FIND_DATA& fd : files)
+  {
+    if (fd.Size != BIOS::BIOS_SIZE)
+      continue;
+
+    std::string full_path(
+      StringUtil::StdStringFromFormat("%s" FS_OSPATH_SEPARATOR_STR "%s", directory, fd.FileName.c_str()));
+
+    std::optional<BIOS::Image> found_image = BIOS::LoadImageFromFile(full_path.c_str());
+    if (!found_image)
+      continue;
+
+    BIOS::Hash found_hash = BIOS::GetHash(*found_image);
+    const BIOS::ImageInfo* ii = BIOS::GetImageInfoForHash(found_hash);
+    results.emplace_back(std::move(fd.FileName), ii);
+  }
+
+  return results;
+}
+
+std::vector<std::pair<std::string, const BIOS::ImageInfo*>> HostInterface::FindBIOSImagesInUserDirectory()
+{
+  return FindBIOSImagesInDirectory(GetUserDirectoryRelativePath("bios").c_str());
 }
 
 bool HostInterface::LoadState(const char* filename)
@@ -410,7 +458,9 @@ void HostInterface::SetDefaultSettings(SettingsInterface& si)
   si.SetBoolValue("Audio", "Sync", true);
   si.SetBoolValue("Audio", "DumpOnBoot", false);
 
-  si.SetStringValue("BIOS", "Path", "bios" FS_OSPATH_SEPARATOR_STR "scph1001.bin");
+  si.SetStringValue("BIOS", "PathNTSCU", "");
+  si.SetStringValue("BIOS", "PathNTSCJ", "");
+  si.SetStringValue("BIOS", "PathPAL", "");
   si.SetBoolValue("BIOS", "PatchTTYEnable", false);
   si.SetBoolValue("BIOS", "PatchFastBoot", false);
 

src/core/host_interface.h

@@ -22,6 +22,11 @@ class GameList;
 
 struct SystemBootParameters;
 
+namespace BIOS
+{
+struct ImageInfo;
+}
+
 class HostInterface
 {
 public:
@@ -116,6 +121,14 @@ public:
   /// Loads the BIOS image for the specified region.
   std::optional<std::vector<u8>> GetBIOSImage(ConsoleRegion region);
 
+  /// Searches for a BIOS image for the specified region in the specified directory. If no match is found, the first
+  /// 512KB BIOS image will be used.
+  std::optional<std::vector<u8>> FindBIOSImageInDirectory(ConsoleRegion region, const char* directory);
+
+  /// 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);
+  std::vector<std::pair<std::string, const BIOS::ImageInfo*>> FindBIOSImagesInUserDirectory();
+
   virtual void OnRunningGameChanged();
   virtual void OnSystemPerformanceCountersUpdated();
 

src/core/settings.cpp

@@ -157,7 +157,9 @@ void Settings::Load(SettingsInterface& si)
   gpu_fifo_size = static_cast<u32>(si.GetIntValue("Hacks", "GPUFIFOSize", DEFAULT_GPU_FIFO_SIZE));
   gpu_max_run_ahead = si.GetIntValue("Hacks", "GPUMaxRunAhead", DEFAULT_GPU_MAX_RUN_AHEAD);
 
-  bios_path = si.GetStringValue("BIOS", "Path", "bios" FS_OSPATH_SEPARATOR_STR "scph1001.bin");
+  bios_path_ntsc_u = si.GetStringValue("BIOS", "PathNTSCU", "");
+  bios_path_ntsc_j = si.GetStringValue("BIOS", "PathNTSCJ", "");
+  bios_path_pal = si.GetStringValue("BIOS", "PathPAL", "");
   bios_patch_tty_enable = si.GetBoolValue("BIOS", "PatchTTYEnable", false);
   bios_patch_fast_boot = si.GetBoolValue("BIOS", "PatchFastBoot", false);
 
@@ -271,7 +273,9 @@ void Settings::Save(SettingsInterface& si) const
   si.SetIntValue("Hacks", "GPUFIFOSize", gpu_fifo_size);
   si.SetIntValue("Hacks", "GPUMaxRunAhead", gpu_max_run_ahead);
 
-  si.SetStringValue("BIOS", "Path", bios_path.c_str());
+  si.SetStringValue("BIOS", "PathNTSCJ", bios_path_ntsc_j.c_str());
+  si.SetStringValue("BIOS", "PathNTSCU", bios_path_ntsc_u.c_str());
+  si.SetStringValue("BIOS", "PathPAL", bios_path_pal.c_str());
   si.SetBoolValue("BIOS", "PatchTTYEnable", bios_patch_tty_enable);
   si.SetBoolValue("BIOS", "PatchFastBoot", bios_patch_fast_boot);
 

src/core/settings.h

@@ -147,7 +147,9 @@ struct Settings
 
   // TODO: Controllers, memory cards, etc.
 
-  std::string bios_path;
+  std::string bios_path_ntsc_j;
+  std::string bios_path_ntsc_u;
+  std::string bios_path_pal;
   bool bios_patch_tty_enable = false;
   bool bios_patch_fast_boot = false;
 

src/duckstation-qt/CMakeLists.txt

@@ -15,6 +15,9 @@ set(SRCS
   autoupdaterdialog.cpp
   autoupdaterdialog.h
   autoupdaterdialog.ui
+  biossettingswidget.cpp
+  biossettingswidget.h
+  biossettingswidget.ui
   consolesettingswidget.cpp
   consolesettingswidget.h
   consolesettingswidget.ui

src/duckstation-qt/biossettingswidget.cpp

@@ -0,0 +1,123 @@
+#include "biossettingswidget.h"
+#include "core/bios.h"
+#include "qthostinterface.h"
+#include "settingsdialog.h"
+#include "settingwidgetbinder.h"
+#include <QtWidgets/QFileDialog>
+#include <algorithm>
+
+static void populateDropDownForRegion(ConsoleRegion region, QComboBox* cb,
+                                      std::vector<std::pair<std::string, const BIOS::ImageInfo*>>& images)
+{
+  cb->addItem(QIcon(QStringLiteral(":/icons/system-search.png")),
+              QT_TRANSLATE_NOOP("BIOSSettingsWidget", "Auto-Detect"));
+
+  std::sort(images.begin(), images.end(), [region](const auto& left, const auto& right) {
+    const bool left_region_match = (left.second && left.second->region == region);
+    const bool right_region_match = (right.second && right.second->region == region);
+    if (left_region_match && !right_region_match)
+      return true;
+    else if (right_region_match && left_region_match)
+      return false;
+
+    return left.first < right.first;
+  });
+
+  for (const auto& [name, info] : images)
+  {
+    QIcon icon;
+    if (info)
+    {
+      switch (info->region)
+      {
+        case ConsoleRegion::NTSC_J:
+          icon = QIcon(QStringLiteral(":/icons/flag-jp.png"));
+          break;
+        case ConsoleRegion::PAL:
+          icon = QIcon(QStringLiteral(":/icons/flag-eu.png"));
+          break;
+        case ConsoleRegion::NTSC_U:
+          icon = QIcon(QStringLiteral(":/icons/flag-uc.png"));
+          break;
+        default:
+          icon = QIcon(QStringLiteral(":/icons/applications-other.png"));
+          break;
+      }
+    }
+    else
+    {
+      icon = QIcon(QStringLiteral(":/icons/applications-other.png"));
+    }
+
+    QString name_str(QString::fromStdString(name));
+    cb->addItem(icon,
+                QStringLiteral("%1 (%2)")
+                  .arg(info ? QString(info->description) : qApp->translate("BIOSSettingsWidget", "Unknown"))
+                  .arg(name_str),
+                QVariant(name_str));
+  }
+}
+
+static void setDropDownValue(QComboBox* cb, const std::string& name)
+{
+  QSignalBlocker sb(cb);
+
+  if (name.empty())
+  {
+    cb->setCurrentIndex(0);
+    return;
+  }
+
+  QString qname(QString::fromStdString(name));
+  for (int i = 1; i < cb->count(); i++)
+  {
+    if (cb->itemData(i) == qname)
+    {
+      cb->setCurrentIndex(i);
+      return;
+    }
+  }
+
+  cb->addItem(qname, QVariant(qname));
+  cb->setCurrentIndex(cb->count() - 1);
+}
+
+BIOSSettingsWidget::BIOSSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog)
+  : QWidget(parent), m_host_interface(host_interface)
+{
+  m_ui.setupUi(this);
+
+  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.enableTTYOutput, "BIOS", "PatchTTYEnable");
+  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.fastBoot, "BIOS", "PatchFastBoot");
+
+  dialog->registerWidgetHelp(m_ui.fastBoot, tr("Fast Boot"), tr("Unchecked"),
+                             tr("Patches the BIOS to skip the console's boot animation. Does not work with all games, "
+                                "but usually safe to enabled."));
+
+  auto images = m_host_interface->FindBIOSImagesInUserDirectory();
+  populateDropDownForRegion(ConsoleRegion::NTSC_J, m_ui.imageNTSCJ, images);
+  populateDropDownForRegion(ConsoleRegion::NTSC_U, m_ui.imageNTSCU, images);
+  populateDropDownForRegion(ConsoleRegion::PAL, m_ui.imagePAL, images);
+
+  setDropDownValue(m_ui.imageNTSCJ, m_host_interface->GetStringSettingValue("BIOS", "PathNTSCJ", ""));
+  setDropDownValue(m_ui.imageNTSCU, m_host_interface->GetStringSettingValue("BIOS", "PathNTSCU", ""));
+  setDropDownValue(m_ui.imagePAL, m_host_interface->GetStringSettingValue("BIOS", "PathPAL", ""));
+
+  connect(m_ui.imageNTSCJ, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index) {
+    m_host_interface->SetStringSettingValue("BIOS", "PathNTSCJ",
+                                            m_ui.imageNTSCJ->itemData(index).toString().toStdString().c_str());
+    m_host_interface->applySettings();
+  });
+  connect(m_ui.imageNTSCU, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index) {
+    m_host_interface->SetStringSettingValue("BIOS", "PathNTSCU",
+                                            m_ui.imageNTSCU->itemData(index).toString().toStdString().c_str());
+    m_host_interface->applySettings();
+  });
+  connect(m_ui.imagePAL, QOverload<int>::of(&QComboBox::currentIndexChanged), [this](int index) {
+    m_host_interface->SetStringSettingValue("BIOS", "PathPAL",
+                                            m_ui.imagePAL->itemData(index).toString().toStdString().c_str());
+    m_host_interface->applySettings();
+  });
+}
+
+BIOSSettingsWidget::~BIOSSettingsWidget() = default;

src/duckstation-qt/biossettingswidget.h

@@ -0,0 +1,22 @@
+#pragma once
+#include "core/types.h"
+#include <QtWidgets/QWidget>
+
+#include "ui_biossettingswidget.h"
+
+class QtHostInterface;
+class SettingsDialog;
+
+class BIOSSettingsWidget : public QWidget
+{
+  Q_OBJECT
+
+public:
+  explicit BIOSSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog);
+  ~BIOSSettingsWidget();
+
+private:
+  Ui::BIOSSettingsWidget m_ui;
+
+  QtHostInterface* m_host_interface;
+};

src/duckstation-qt/biossettingswidget.ui

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>BIOSSettingsWidget</class>
+ <widget class="QWidget" name="BIOSSettingsWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>472</width>
+    <height>259</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_2">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QGroupBox" name="groupBox">
+     <property name="title">
+      <string>BIOS Selection</string>
+     </property>
+     <layout class="QGridLayout" name="gridLayout">
+      <item row="0" column="0">
+       <widget class="QLabel" name="label">
+        <property name="text">
+         <string>NTSC-J (Japan):</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QComboBox" name="imageNTSCJ">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="label_2">
+        <property name="text">
+         <string>NTSC-U/C (US/Canada):</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QComboBox" name="imageNTSCU">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="0">
+       <widget class="QLabel" name="label_5">
+        <property name="text">
+         <string>PAL (Europe, Australia):</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QComboBox" name="imagePAL">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="Expanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QGroupBox" name="groupBox_2">
+     <property name="title">
+      <string>Options and Patches</string>
+     </property>
+     <layout class="QVBoxLayout" name="verticalLayout">
+      <item>
+       <widget class="QCheckBox" name="fastBoot">
+        <property name="text">
+         <string>Fast Boot</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QCheckBox" name="enableTTYOutput">
+        <property name="text">
+         <string>Enable TTY Output</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

src/duckstation-qt/consolesettingswidget.cpp

@@ -1,9 +1,6 @@
 #include "consolesettingswidget.h"
 #include "settingsdialog.h"
 #include "settingwidgetbinder.h"
-#include <QtWidgets/QFileDialog>
-
-static constexpr char BIOS_IMAGE_FILTER[] = "Binary Images (*.bin);;All Files (*.*)";
 
 ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog)
   : QWidget(parent), m_host_interface(host_interface)
@@ -25,9 +22,6 @@ ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QW
   SettingWidgetBinder::BindWidgetToEnumSetting(m_host_interface, m_ui.region, "Console", "Region",
                                                &Settings::ParseConsoleRegionName, &Settings::GetConsoleRegionName,
                                                Settings::DEFAULT_CONSOLE_REGION);
-  SettingWidgetBinder::BindWidgetToStringSetting(m_host_interface, m_ui.biosPath, "BIOS", "Path");
-  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.enableTTYOutput, "BIOS", "PatchTTYEnable");
-  SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.fastBoot, "BIOS", "PatchFastBoot");
   SettingWidgetBinder::BindWidgetToEnumSetting(m_host_interface, m_ui.cpuExecutionMode, "CPU", "ExecutionMode",
                                                &Settings::ParseCPUExecutionMode, &Settings::GetCPUExecutionModeName,
                                                Settings::DEFAULT_CPU_EXECUTION_MODE);
@@ -36,12 +30,6 @@ ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QW
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.cdromLoadImageToRAM, "CDROM", "LoadImageToRAM",
                                                false);
 
-  connect(m_ui.biosPathBrowse, &QPushButton::pressed, this, &ConsoleSettingsWidget::onBrowseBIOSPathButtonClicked);
-
-  dialog->registerWidgetHelp(m_ui.fastBoot, tr("Fast Boot"), tr("Unchecked"),
-                             tr("Patches the BIOS to skip the console's boot animation. Does not work with all games, "
-                                "but usually safe to enabled."));
-
   dialog->registerWidgetHelp(
     m_ui.cdromLoadImageToRAM, tr("Preload Image to RAM"), tr("Unchecked"),
     tr("Loads the game image into RAM. Useful for network paths that may become unreliable during gameplay. In some "
@@ -49,16 +37,3 @@ ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QW
 }
 
 ConsoleSettingsWidget::~ConsoleSettingsWidget() = default;
-
-void ConsoleSettingsWidget::onBrowseBIOSPathButtonClicked()
-{
-  QString path = QDir::toNativeSeparators(
-    QFileDialog::getOpenFileName(this, tr("Select BIOS Image"), QString(), tr(BIOS_IMAGE_FILTER)));
-  if (path.isEmpty())
-    return;
-
-  m_ui.biosPath->setText(path);
-
-  m_host_interface->SetStringSettingValue("BIOS", "Path", path.toUtf8().constData());
-  m_host_interface->applySettings();
-}

src/duckstation-qt/consolesettingswidget.h

@@ -15,9 +15,6 @@ public:
   explicit ConsoleSettingsWidget(QtHostInterface* host_interface, QWidget* parent, SettingsDialog* dialog);
   ~ConsoleSettingsWidget();
 
-private Q_SLOTS:
-  void onBrowseBIOSPathButtonClicked();
-
 private:
   Ui::ConsoleSettingsWidget m_ui;
 

src/duckstation-qt/consolesettingswidget.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>502</width>
-    <height>358</height>
+    <height>255</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -42,41 +42,6 @@
       <item row="0" column="1">
        <widget class="QComboBox" name="region"/>
       </item>
-      <item row="1" column="0">
-       <widget class="QLabel" name="label_2">
-        <property name="text">
-         <string>BIOS Image Path:</string>
-        </property>
-       </widget>
-      </item>
-      <item row="3" column="0" colspan="2">
-       <widget class="QCheckBox" name="fastBoot">
-        <property name="text">
-         <string>Fast Boot</string>
-        </property>
-       </widget>
-      </item>
-      <item row="2" column="0" colspan="2">
-       <widget class="QCheckBox" name="enableTTYOutput">
-        <property name="text">
-         <string>Enable TTY Output</string>
-        </property>
-       </widget>
-      </item>
-      <item row="1" column="1">
-       <layout class="QHBoxLayout" name="horizontalLayout">
-        <item>
-         <widget class="QLineEdit" name="biosPath"/>
-        </item>
-        <item>
-         <widget class="QPushButton" name="biosPathBrowse">
-          <property name="text">
-           <string>...</string>
-          </property>
-         </widget>
-        </item>
-       </layout>
-      </item>
      </layout>
     </widget>
    </item>
@@ -145,7 +110,7 @@
   </layout>
  </widget>
  <resources>
-  <include location="resources/icons.qrc"/>
+  <include location="resources/resources.qrc"/>
  </resources>
  <connections/>
 </ui>

src/duckstation-qt/duckstation-qt.vcxproj

@@ -39,6 +39,7 @@
     <ClCompile Include="advancedsettingswidget.cpp" />
     <ClCompile Include="audiosettingswidget.cpp" />
     <ClCompile Include="autoupdaterdialog.cpp" />
+    <ClCompile Include="biossettingswidget.cpp" />
     <ClCompile Include="consolesettingswidget.cpp" />
     <ClCompile Include="enhancementsettingswidget.cpp" />
     <ClCompile Include="gamelistmodel.cpp" />
@@ -68,6 +69,7 @@
   <ItemGroup>
     <QtMoc Include="aboutdialog.h" />
     <QtMoc Include="audiosettingswidget.h" />
+    <QtMoc Include="biossettingswidget.h" />
     <QtMoc Include="controllersettingswidget.h" />
     <QtMoc Include="enhancementsettingswidget.h" />
     <QtMoc Include="memorycardsettingswidget.h" />
@@ -124,6 +126,9 @@
     <QtUi Include="audiosettingswidget.ui">
       <FileType>Document</FileType>
     </QtUi>
+    <QtUi Include="biossettingswidget.ui">
+      <FileType>Document</FileType>
+    </QtUi>
     <QtUi Include="consolesettingswidget.ui">
       <FileType>Document</FileType>
     </QtUi>
@@ -171,6 +176,7 @@
     <ClCompile Include="$(IntDir)moc_audiosettingswidget.cpp" />
     <ClCompile Include="$(IntDir)moc_autoupdaterdialog.cpp" />
     <ClCompile Include="$(IntDir)moc_advancedsettingswidget.cpp" />
+    <ClCompile Include="$(IntDir)moc_biossettingswidget.cpp" />
     <ClCompile Include="$(IntDir)moc_consolesettingswidget.cpp" />
     <ClCompile Include="$(IntDir)moc_controllersettingswidget.cpp" />
     <ClCompile Include="$(IntDir)moc_enhancementsettingswidget.cpp" />

src/duckstation-qt/mainwindow.cpp

@@ -646,6 +646,8 @@ void MainWindow::connectSignals()
   connect(m_ui.actionSettings, &QAction::triggered, [this]() { doSettings(SettingsDialog::Category::Count); });
   connect(m_ui.actionGeneralSettings, &QAction::triggered,
           [this]() { doSettings(SettingsDialog::Category::GeneralSettings); });
+  connect(m_ui.actionBIOSSettings, &QAction::triggered,
+          [this]() { doSettings(SettingsDialog::Category::BIOSSettings); });
   connect(m_ui.actionConsoleSettings, &QAction::triggered,
           [this]() { doSettings(SettingsDialog::Category::ConsoleSettings); });
   connect(m_ui.actionGameListSettings, &QAction::triggered,

src/duckstation-qt/mainwindow.ui

@@ -115,6 +115,7 @@
     <addaction name="actionFullscreen"/>
     <addaction name="separator"/>
     <addaction name="actionGeneralSettings"/>
+    <addaction name="actionBIOSSettings"/> 
     <addaction name="actionConsoleSettings"/>
     <addaction name="actionGameListSettings"/>
     <addaction name="actionHotkeySettings"/>
@@ -322,6 +323,15 @@
     <string>E&amp;xit</string>
    </property>
   </action>
+  <action name="actionBIOSSettings">
+   <property name="icon">
+    <iconset>
+     <normaloff>:/icons/media-flash-2.png</normaloff>:/icons/media-flash-2.png</iconset>
+   </property>
+   <property name="text">
+    <string>B&amp;IOS Settings...</string>
+   </property>
+  </action>
   <action name="actionConsoleSettings">
    <property name="icon">
     <iconset>

src/duckstation-qt/resources/resources.qrc

@@ -59,6 +59,8 @@
     <file>icons/list-remove@2x.png</file>
     <file>icons/media-flash.png</file>
     <file>icons/media-flash@2x.png</file>
+    <file>icons/media-flash-2.png</file>
+    <file>icons/media-flash-2@2x.png</file>
     <file>icons/media-flash-24.png</file>
     <file>icons/media-flash-24@2x.png</file>
     <file>icons/media-optical.png</file>

src/duckstation-qt/settingsdialog.cpp

@@ -1,6 +1,7 @@
 #include "settingsdialog.h"
 #include "advancedsettingswidget.h"
 #include "audiosettingswidget.h"
+#include "biossettingswidget.h"
 #include "consolesettingswidget.h"
 #include "controllersettingswidget.h"
 #include "displaysettingswidget.h"
@@ -24,6 +25,7 @@ SettingsDialog::SettingsDialog(QtHostInterface* host_interface, QWidget* parent
   setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
 
   m_general_settings = new GeneralSettingsWidget(host_interface, m_ui.settingsContainer, this);
+  m_bios_settings = new BIOSSettingsWidget(host_interface, m_ui.settingsContainer, this);
   m_console_settings = new ConsoleSettingsWidget(host_interface, m_ui.settingsContainer, this);
   m_game_list_settings = new GameListSettingsWidget(host_interface, m_ui.settingsContainer);
   m_hotkey_settings = new HotkeySettingsWidget(host_interface, m_ui.settingsContainer);
@@ -36,6 +38,7 @@ SettingsDialog::SettingsDialog(QtHostInterface* host_interface, QWidget* parent
   m_advanced_settings = new AdvancedSettingsWidget(host_interface, m_ui.settingsContainer, this);
 
   m_ui.settingsContainer->insertWidget(static_cast<int>(Category::GeneralSettings), m_general_settings);
+  m_ui.settingsContainer->insertWidget(static_cast<int>(Category::BIOSSettings), m_bios_settings);
   m_ui.settingsContainer->insertWidget(static_cast<int>(Category::ConsoleSettings), m_console_settings);
   m_ui.settingsContainer->insertWidget(static_cast<int>(Category::GameListSettings), m_game_list_settings);
   m_ui.settingsContainer->insertWidget(static_cast<int>(Category::HotkeySettings), m_hotkey_settings);

src/duckstation-qt/settingsdialog.h

@@ -8,6 +8,7 @@
 class QtHostInterface;
 
 class GeneralSettingsWidget;
+class BIOSSettingsWidget;
 class GameListSettingsWidget;
 class HotkeySettingsWidget;
 class ConsoleSettingsWidget;
@@ -27,6 +28,7 @@ public:
   enum class Category
   {
     GeneralSettings,
+    BIOSSettings,
     ConsoleSettings,
     GameListSettings,
     HotkeySettings,
@@ -44,6 +46,7 @@ public:
   ~SettingsDialog();
 
   GeneralSettingsWidget* getGeneralSettingsWidget() const { return m_general_settings; }
+  BIOSSettingsWidget* getBIOSSettingsWidget() const { return m_bios_settings; }
   ConsoleSettingsWidget* getConsoleSettingsWidget() const { return m_console_settings; }
   GameListSettingsWidget* getGameListSettingsWidget() const { return m_game_list_settings; }
   HotkeySettingsWidget* getHotkeySettingsWidget() const { return m_hotkey_settings; }
@@ -72,6 +75,7 @@ private:
   QtHostInterface* m_host_interface;
 
   GeneralSettingsWidget* m_general_settings = nullptr;
+  BIOSSettingsWidget* m_bios_settings = nullptr;
   ConsoleSettingsWidget* m_console_settings = nullptr;
   GameListSettingsWidget* m_game_list_settings = nullptr;
   HotkeySettingsWidget* m_hotkey_settings = nullptr;
@@ -79,7 +83,7 @@ private:
   MemoryCardSettingsWidget* m_memory_card_settings = nullptr;
   DisplaySettingsWidget* m_display_settings = nullptr;
   EnhancementSettingsWidget* m_enhancement_settings = nullptr;
-  PostProcessingSettingsWidget *m_post_processing_settings = nullptr;
+  PostProcessingSettingsWidget* m_post_processing_settings = nullptr;
   AudioSettingsWidget* m_audio_settings = nullptr;
   AdvancedSettingsWidget* m_advanced_settings = nullptr;
 

src/duckstation-qt/settingsdialog.ui

@@ -67,6 +67,15 @@
           <normaloff>:/icons/applications-system.png</normaloff>:/icons/applications-system.png</iconset>
         </property>
        </item>
+       <item>
+        <property name="text">
+         <string>BIOS Settings</string>
+        </property>
+        <property name="icon">
+         <iconset resource="resources/resources.qrc">
+          <normaloff>:/icons/media-flash-2.png</normaloff>:/icons/media-flash-2.png</iconset>
+        </property>
+       </item>
        <item>
         <property name="text">
          <string>Console Settings</string>

src/duckstation-sdl/sdl_host_interface.cpp

@@ -1182,10 +1182,6 @@ void SDLHostInterface::DrawSettingsWindow()
           settings_changed = true;
         }
 
-        ImGui::Text("BIOS Path:");
-        ImGui::SameLine(indent);
-        settings_changed |= DrawFileChooser("##bios_path", &m_settings_copy.bios_path);
-
         settings_changed |= ImGui::Checkbox("Enable TTY Output", &m_settings_copy.bios_patch_tty_enable);
         settings_changed |= ImGui::Checkbox("Fast Boot", &m_settings_copy.bios_patch_fast_boot);
       }