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Add DelayGenerator for all file backends

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This commit is contained in:
B3n30
2018-02-24 14:14:54 +01:00
parent 58b16c5459
commit 06a7676ed1
13 changed files with 172 additions and 71 deletions
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33
src/core/file_sys/archive_selfncch.cpp
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@ -56,17 +56,6 @@ public:
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
u64 GetReadDelayNs(size_t length) const {
// The delay was measured on O3DS and O2DS with
// https://gist.github.com/B3n30/ac40eac20603f519ff106107f4ac9182
// from the results the average of each length was taken.
static constexpr u64 slope(94);
static constexpr u64 offset(582778);
static constexpr u64 minimum(663124);
u64 IPCDelayNanoseconds = std::max<u64>(static_cast<u64>(length) * slope + offset, minimum);
return IPCDelayNanoseconds;
}
u64 GetSize() const override {
return data->size();
}
@ -182,8 +171,11 @@ public:
private:
ResultVal<std::unique_ptr<FileBackend>> OpenRomFS() const {
if (ncch_data.romfs_file) {
return MakeResult<std::unique_ptr<FileBackend>>(std::make_unique<IVFCFile>(
ncch_data.romfs_file, ncch_data.romfs_offset, ncch_data.romfs_size));
std::unique_ptr<DelayGenerator> delay_generator =
std::make_unique<RomFSDelayGenerator>();
return MakeResult<std::unique_ptr<FileBackend>>(
std::make_unique<IVFCFile>(ncch_data.romfs_file, ncch_data.romfs_offset,
ncch_data.romfs_size, std::move(delay_generator)));
} else {
LOG_INFO(Service_FS, "Unable to read RomFS");
return ERROR_ROMFS_NOT_FOUND;
@ -192,9 +184,11 @@ private:
ResultVal<std::unique_ptr<FileBackend>> OpenUpdateRomFS() const {
if (ncch_data.update_romfs_file) {
std::unique_ptr<DelayGenerator> delay_generator =
std::make_unique<RomFSDelayGenerator>();
return MakeResult<std::unique_ptr<FileBackend>>(std::make_unique<IVFCFile>(
ncch_data.update_romfs_file, ncch_data.update_romfs_offset,
ncch_data.update_romfs_size));
ncch_data.update_romfs_size, std::move(delay_generator)));
} else {
LOG_INFO(Service_FS, "Unable to read update RomFS");
return ERROR_ROMFS_NOT_FOUND;
@ -251,8 +245,9 @@ void ArchiveFactory_SelfNCCH::Register(Loader::AppLoader& app_loader) {
program_id);
if (ncch_data.find(program_id) != ncch_data.end()) {
LOG_WARNING(Service_FS, "Registering program %016" PRIX64
" with SelfNCCH will override existing mapping",
LOG_WARNING(Service_FS,
"Registering program %016" PRIX64
" with SelfNCCH will override existing mapping",
program_id);
}
@ -266,9 +261,9 @@ void ArchiveFactory_SelfNCCH::Register(Loader::AppLoader& app_loader) {
}
std::shared_ptr<FileUtil::IOFile> update_romfs_file;
if (Loader::ResultStatus::Success ==
app_loader.ReadUpdateRomFS(update_romfs_file, data.update_romfs_offset,
data.update_romfs_size)) {
if (Loader::ResultStatus::Success == app_loader.ReadUpdateRomFS(update_romfs_file,
data.update_romfs_offset,
data.update_romfs_size)) {
data.update_romfs_file = std::move(update_romfs_file);
}