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Added FS functions to Archive and Archive_RomFS
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@ -37,18 +37,33 @@ public:
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading archive from
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* @param length Length in bytes to read data from archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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virtual size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) = 0;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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virtual size_t GetSize() const = 0;
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/**
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* Set the size of the archive in bytes
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*/
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virtual void SetSize(const u64 size) = 0;
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};
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} // namespace FileSys
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@ -23,8 +23,8 @@ Archive_RomFS::~Archive_RomFS() {
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading archive from
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* @param length Length in bytes to read data from archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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@ -34,13 +34,32 @@ size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const
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return length;
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}
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
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ERROR_LOG(FILESYS, "Attempted to write to ROMFS.");
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return 0;
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}
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t Archive_RomFS::GetSize() const {
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ERROR_LOG(FILESYS, "(UNIMPLEMENTED)");
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return 0;
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return sizeof(u8) * raw_data.size();
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}
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/**
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* Set the size of the archive in bytes
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*/
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void Archive_RomFS::SetSize(const u64 size) {
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ERROR_LOG(FILESYS, "Attempted to set the size of ROMFS");
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}
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} // namespace FileSys
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@ -30,19 +30,34 @@ public:
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading archive from
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* @param length Length in bytes to read data from archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t GetSize() const override;
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/**
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* Set the size of the archive in bytes
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*/
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void SetSize(const u64 size) override;
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private:
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std::vector<u8> raw_data;
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};
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@ -3,6 +3,7 @@
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// Refer to the license.txt file included.
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#include "common/common_types.h"
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#include "common/math_util.h"
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#include "core/file_sys/archive.h"
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#include "core/hle/service/service.h"
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@ -48,23 +49,50 @@ public:
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Result SyncRequest(bool* wait) {
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u32* cmd_buff = Service::GetCommandBuffer();
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FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
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switch (cmd) {
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switch (cmd) {
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// Read from archive...
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case FileCommand::Read:
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{
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u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
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u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
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u32 length = cmd_buff[3];
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u32 address = cmd_buff[5];
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// Number of bytes read
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cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
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break;
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}
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// Write to archive...
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case FileCommand::Write:
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{
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u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
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u32 length = cmd_buff[3];
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u32 flush = cmd_buff[4];
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u32 address = cmd_buff[6];
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// Number of bytes written
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cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
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break;
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}
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case FileCommand::GetSize:
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{
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u64 filesize = (u64) backend->GetSize();
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cmd_buff[2] = (u32) filesize; // Lower word
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cmd_buff[3] = (u32) (filesize >> 32); // Upper word
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break;
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}
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case FileCommand::SetSize:
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{
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backend->SetSize(cmd_buff[1] | ((u64)cmd_buff[2] << 32));
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break;
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}
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// Unknown command...
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default:
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{
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ERROR_LOG(KERNEL, "Unknown command=0x%08X!", cmd);
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return -1;
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}
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}
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cmd_buff[1] = 0; // No error
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return 0;
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}
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@ -140,7 +168,7 @@ Archive* CreateArchive(Handle& handle, FileSys::Archive* backend, const std::str
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*/
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Handle CreateArchive(FileSys::Archive* backend, const std::string& name) {
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Handle handle;
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Archive* archive = CreateArchive(handle, backend, name);
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CreateArchive(handle, backend, name);
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return handle;
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}
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