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fs: first pass at compressed storage (works on iridium with wip hac2l code)

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Michael Scire 2022-03-12 13:03:17 -08:00 • committed by SciresM
parent df631d74f0
commit d638bbbb62
34 changed files with 2375 additions and 722 deletions
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10
libraries/libstratosphere/source/fssystem/fssystem_sparse_storage.cpp
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@ -29,13 +29,17 @@ namespace ams::fssystem {
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
if (this->GetEntryTable().IsEmpty()) {
R_UNLESS(this->GetEntryTable().Includes(offset, size), fs::ResultOutOfRange());
BucketTree::Offsets table_offsets;
R_TRY(this->GetEntryTable().GetOffsets(std::addressof(table_offsets)));
R_UNLESS(table_offsets.IsInclude(offset, size), fs::ResultOutOfRange());
std::memset(buffer, 0, size);
} else {
R_TRY(this->OperatePerEntry<false>(offset, size, [=](fs::IStorage *storage, s64 data_offset, s64 cur_offset, s64 cur_size) -> Result {
R_TRY((this->OperatePerEntry<false, true>(offset, size, [=](fs::IStorage *storage, s64 data_offset, s64 cur_offset, s64 cur_size) -> Result {
R_TRY(storage->Read(data_offset, reinterpret_cast<u8 *>(buffer) + (cur_offset - offset), static_cast<size_t>(cur_size)));
return ResultSuccess();
}));
})));
}
return ResultSuccess();