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Games on Demand / Multifile STFS (SVOD) Support

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This commit is contained in:
Wildhaus
2018-11-06 20:40:22 -05:00
parent 37e59464c2
commit 19fb21da7d
7 changed files with 258 additions and 118 deletions
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17
src/xenia/vfs/devices/stfs_container_device.h
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@@ -10,6 +10,7 @@
#ifndef XENIA_VFS_DEVICES_STFS_CONTAINER_DEVICE_H_
#define XENIA_VFS_DEVICES_STFS_CONTAINER_DEVICE_H_
#include <map>
#include <memory>
#include <string>
@@ -156,7 +157,7 @@ class StfsContainerDevice : public Device {
Entry* ResolvePath(std::string path) override;
uint32_t total_allocation_units() const override {
return uint32_t(mmap_->size() / sectors_per_allocation_unit() /
return uint32_t(mmap_total_size_ / sectors_per_allocation_unit() /
bytes_per_sector());
}
uint32_t available_allocation_units() const override { return 0; }
@@ -180,20 +181,26 @@ class StfsContainerDevice : public Device {
const uint32_t kSTFSHashSpacing = 170;
const uint32_t kSVODHashSpacing = 204;
const char* ReadMagic(const std::wstring& path);
bool ResolveFromFolder(const std::wstring& path);
Error ReadHeaderAndVerify(const uint8_t* map_ptr);
Error ReadAllEntriesEGDF(const uint8_t* map_ptr);
bool ReadEntryEGDF(const uint8_t* buffer, uint16_t entry_ordinal,
Error ReadAllEntriesSVOD();
bool ReadEntrySVOD(uint32_t sector, uint32_t ordinal,
StfsContainerEntry* parent);
Error ReadAllEntriesSTFS(const uint8_t* map_ptr);
size_t BlockToOffsetSTFS(uint64_t block);
size_t BlockToOffsetEGDF(uint64_t block);
void BlockToOffsetSVOD(size_t sector, size_t* address, size_t* file_index);
BlockHash GetBlockHash(const uint8_t* map_ptr, uint32_t block_index,
uint32_t table_offset);
std::wstring local_path_;
std::unique_ptr<MappedMemory> mmap_;
std::map<size_t, std::unique_ptr<MappedMemory>> mmap_;
size_t mmap_total_size_;
size_t base_address_;
std::unique_ptr<Entry> root_entry_;
StfsPackageType package_type_;