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xenia-canary
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Add more mount paths for the local directory 

This adds more mount paths for the XEX's local directory to Emulator::LaunchXexFile, so any XEXs that try to use these mountpoints can load files from the XEX directory.

Mount points added:
- \Device\Harddisk0\Partition0 -  original mountpoint used by Xenia
- \Device\Harddisk0\Partition1 - some games/apps seem to use this to refer to HDD1:
- \Device\Harddisk0\Partition1\DEVKIT
  Used by xshell.xex, gets linked as E: (aka "development drive")
  Even if a DEVKIT folder exists inside the local folder, it seems we still have to add this mount point explicitly.

- \Device\LauncherData
  Also used by xshell.xex for various UI resources
  The xlaunch.fdf file is normally mounted via DmMountFdfxVolume to this path (xlaunch.fdf is a FATX formatted container)
  By mounting this xshell can retrieve extracted resources from the local dir.

- \SystemRoot
  Normally refers to the NAND, used by dash.xex to retrieve XZP resources when they aren't inside xam.xex.
  Other apps also use this to refer to other system XEXs/resources
  By mounting it we can just place any needed resources in the local dir.
This commit is contained in:
emoose 2018-10-22 17:32:03 +01:00 committed by illusion
parent d3c3dc5cf6
commit 64144ffdca
1 changed files with 23 additions and 13 deletions
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36
src/xenia/emulator.cc
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@ -275,28 +275,38 @@ X_STATUS Emulator::LaunchXexFile(const std::filesystem::path& path,
// and then get that symlinked to game:\, so
// -> game:\foo.xex
auto mount_path = "\\Device\\Harddisk0\\Partition0";
// Register local directory as some commonly used mount paths
std::filesystem::path mount_paths[] = {
"\\Device\\Harddisk0\\Partition0",
"\\Device\\Harddisk0\\Partition1",
"\\Device\\Harddisk0\\Partition1\\DEVKIT",
"\\Device\\LauncherData",
"\\SystemRoot",
};
// Todo: is this even remotely correct?
if (discSwap) {
mount_path = "\\Device\\LauncherData";
mount_paths[0] = "\\Device\\LauncherData";
}
// Register the local directory in the virtual filesystem.
auto parent_path = path.parent_path();
auto device =
std::make_unique<vfs::HostPathDevice>(mount_path, parent_path, true);
if (!device->Initialize()) {
XELOGE("Unable to scan host path");
return X_STATUS_NO_SUCH_FILE;
}
if (!file_system_->RegisterDevice(std::move(device))) {
XELOGE("Unable to register host path");
return X_STATUS_NO_SUCH_FILE;
for (auto mount_path : mount_paths) {
auto device =
std::make_unique<vfs::HostPathDevice>(mount_path.u8string(), parent_path, true);
if (!device->Initialize()) {
XELOGE("Unable to scan host path");
return X_STATUS_NO_SUCH_FILE;
}
if (!file_system_->RegisterDevice(std::move(device))) {
XELOGE("Unable to register host path as {}", mount_path.u8string());
return X_STATUS_NO_SUCH_FILE;
}
}
// Create symlinks to the device.
file_system_->RegisterSymbolicLink("game:", mount_path);
file_system_->RegisterSymbolicLink("d:", mount_path);
file_system_->RegisterSymbolicLink("game:", mount_paths[0].u8string());
file_system_->RegisterSymbolicLink("d:", mount_paths[0].u8string());
// Get just the filename (foo.xex).
auto file_name = path.filename();