diff options
Diffstat (limited to 'src/core/hle/service/filesystem/fsp/fs_i_storage.cpp')
-rw-r--r-- | src/core/hle/service/filesystem/fsp/fs_i_storage.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/core/hle/service/filesystem/fsp/fs_i_storage.cpp b/src/core/hle/service/filesystem/fsp/fs_i_storage.cpp new file mode 100644 index 000000000..9fe36f31a --- /dev/null +++ b/src/core/hle/service/filesystem/fsp/fs_i_storage.cpp @@ -0,0 +1,62 @@ +// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project +// SPDX-License-Identifier: GPL-2.0-or-later + +#include "core/file_sys/errors.h" +#include "core/hle/service/filesystem/fsp/fs_i_storage.h" +#include "core/hle/service/ipc_helpers.h" + +namespace Service::FileSystem { + +IStorage::IStorage(Core::System& system_, FileSys::VirtualFile backend_) + : ServiceFramework{system_, "IStorage"}, backend(std::move(backend_)) { + static const FunctionInfo functions[] = { + {0, &IStorage::Read, "Read"}, + {1, nullptr, "Write"}, + {2, nullptr, "Flush"}, + {3, nullptr, "SetSize"}, + {4, &IStorage::GetSize, "GetSize"}, + {5, nullptr, "OperateRange"}, + }; + RegisterHandlers(functions); +} + +void IStorage::Read(HLERequestContext& ctx) { + IPC::RequestParser rp{ctx}; + const s64 offset = rp.Pop<s64>(); + const s64 length = rp.Pop<s64>(); + + LOG_DEBUG(Service_FS, "called, offset=0x{:X}, length={}", offset, length); + + // Error checking + if (length < 0) { + LOG_ERROR(Service_FS, "Length is less than 0, length={}", length); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(FileSys::ERROR_INVALID_SIZE); + return; + } + if (offset < 0) { + LOG_ERROR(Service_FS, "Offset is less than 0, offset={}", offset); + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(FileSys::ERROR_INVALID_OFFSET); + return; + } + + // Read the data from the Storage backend + std::vector<u8> output = backend->ReadBytes(length, offset); + // Write the data to memory + ctx.WriteBuffer(output); + + IPC::ResponseBuilder rb{ctx, 2}; + rb.Push(ResultSuccess); +} + +void IStorage::GetSize(HLERequestContext& ctx) { + const u64 size = backend->GetSize(); + LOG_DEBUG(Service_FS, "called, size={}", size); + + IPC::ResponseBuilder rb{ctx, 4}; + rb.Push(ResultSuccess); + rb.Push<u64>(size); +} + +} // namespace Service::FileSystem |