2018-01-17 04:20:12 +01:00
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// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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2018-02-19 06:33:48 +01:00
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#include <cinttypes>
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2018-01-17 04:20:12 +01:00
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#include "common/logging/log.h"
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#include "core/core.h"
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2018-03-20 05:01:47 +01:00
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#include "core/file_sys/directory.h"
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2018-01-17 04:20:12 +01:00
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#include "core/file_sys/filesystem.h"
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#include "core/file_sys/storage.h"
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/client_session.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/hle/service/filesystem/fsp_srv.h"
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namespace Service {
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namespace FileSystem {
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class IStorage final : public ServiceFramework<IStorage> {
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public:
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IStorage(std::unique_ptr<FileSys::StorageBackend>&& backend)
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: ServiceFramework("IStorage"), backend(std::move(backend)) {
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static const FunctionInfo functions[] = {
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2018-01-21 03:32:36 +01:00
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{0, &IStorage::Read, "Read"}, {1, nullptr, "Write"}, {2, nullptr, "Flush"},
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{3, nullptr, "SetSize"}, {4, nullptr, "GetSize"},
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2018-01-17 04:20:12 +01:00
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};
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RegisterHandlers(functions);
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}
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private:
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std::unique_ptr<FileSys::StorageBackend> backend;
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void Read(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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2018-01-21 03:32:36 +01:00
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const s64 offset = rp.Pop<s64>();
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const s64 length = rp.Pop<s64>();
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2018-01-17 04:20:12 +01:00
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2018-03-19 17:43:04 +01:00
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LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
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2018-01-17 04:20:12 +01:00
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2018-01-21 03:32:36 +01:00
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// Error checking
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if (length < 0) {
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2018-01-24 01:52:18 +01:00
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IPC::ResponseBuilder rb{ctx, 2};
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2018-01-21 03:32:36 +01:00
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
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return;
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}
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if (offset < 0) {
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2018-01-24 01:52:18 +01:00
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IPC::ResponseBuilder rb{ctx, 2};
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2018-01-21 03:32:36 +01:00
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
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return;
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}
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2018-01-17 04:20:12 +01:00
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2018-01-21 03:32:36 +01:00
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// Read the data from the Storage backend
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std::vector<u8> output(length);
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2018-01-17 04:20:12 +01:00
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ResultVal<size_t> res = backend->Read(offset, length, output.data());
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if (res.Failed()) {
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2018-01-24 01:52:18 +01:00
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IPC::ResponseBuilder rb{ctx, 2};
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2018-01-17 04:20:12 +01:00
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rb.Push(res.Code());
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2018-01-21 03:32:36 +01:00
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return;
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2018-01-17 04:20:12 +01:00
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}
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2018-01-21 03:32:36 +01:00
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// Write the data to memory
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2018-02-14 05:16:19 +01:00
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ctx.WriteBuffer(output);
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2018-01-17 04:20:12 +01:00
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2018-01-24 01:52:18 +01:00
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IPC::ResponseBuilder rb{ctx, 2};
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2018-01-17 04:20:12 +01:00
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rb.Push(RESULT_SUCCESS);
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}
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};
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2018-02-19 06:33:48 +01:00
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class IFile final : public ServiceFramework<IFile> {
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public:
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explicit IFile(std::unique_ptr<FileSys::StorageBackend>&& backend)
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: ServiceFramework("IFile"), backend(std::move(backend)) {
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static const FunctionInfo functions[] = {
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2018-03-31 22:02:21 +02:00
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{0, &IFile::Read, "Read"}, {1, &IFile::Write, "Write"}, {2, nullptr, "Flush"},
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{3, &IFile::SetSize, "SetSize"}, {4, &IFile::GetSize, "GetSize"},
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2018-02-19 06:33:48 +01:00
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};
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RegisterHandlers(functions);
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}
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private:
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std::unique_ptr<FileSys::StorageBackend> backend;
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void Read(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 unk = rp.Pop<u64>();
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const s64 offset = rp.Pop<s64>();
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const s64 length = rp.Pop<s64>();
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2018-03-19 17:43:04 +01:00
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LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
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2018-02-19 06:33:48 +01:00
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// Error checking
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if (length < 0) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
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return;
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}
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if (offset < 0) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
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return;
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}
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// Read the data from the Storage backend
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std::vector<u8> output(length);
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ResultVal<size_t> res = backend->Read(offset, length, output.data());
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if (res.Failed()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(res.Code());
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return;
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}
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// Write the data to memory
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ctx.WriteBuffer(output);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push(static_cast<u64>(*res));
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}
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void Write(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 unk = rp.Pop<u64>();
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const s64 offset = rp.Pop<s64>();
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const s64 length = rp.Pop<s64>();
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2018-03-19 17:43:04 +01:00
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LOG_DEBUG(Service_FS, "called, offset=0x%ld, length=0x%ld", offset, length);
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2018-02-19 06:33:48 +01:00
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// Error checking
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if (length < 0) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
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return;
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}
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if (offset < 0) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
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return;
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}
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// Write the data to the Storage backend
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std::vector<u8> data = ctx.ReadBuffer();
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ResultVal<size_t> res = backend->Write(offset, length, true, data.data());
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if (res.Failed()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(res.Code());
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return;
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}
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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2018-03-31 22:02:21 +02:00
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void SetSize(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 size = rp.Pop<u64>();
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backend->SetSize(size);
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2018-04-01 05:30:00 +02:00
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LOG_DEBUG(Service_FS, "called, size=%" PRIu64, size);
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2018-03-31 22:02:21 +02:00
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
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}
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void GetSize(Kernel::HLERequestContext& ctx) {
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const u64 size = backend->GetSize();
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2018-04-01 05:30:00 +02:00
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LOG_DEBUG(Service_FS, "called, size=%" PRIu64, size);
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2018-03-31 22:02:21 +02:00
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push<u64>(size);
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}
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2018-02-19 06:33:48 +01:00
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};
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2018-03-20 05:01:47 +01:00
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class IDirectory final : public ServiceFramework<IDirectory> {
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public:
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explicit IDirectory(std::unique_ptr<FileSys::DirectoryBackend>&& backend)
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: ServiceFramework("IDirectory"), backend(std::move(backend)) {
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static const FunctionInfo functions[] = {
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{0, &IDirectory::Read, "Read"},
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{1, &IDirectory::GetEntryCount, "GetEntryCount"},
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};
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RegisterHandlers(functions);
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}
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private:
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std::unique_ptr<FileSys::DirectoryBackend> backend;
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void Read(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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const u64 unk = rp.Pop<u64>();
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LOG_DEBUG(Service_FS, "called, unk=0x%llx", unk);
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// Calculate how many entries we can fit in the output buffer
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u64 count_entries = ctx.GetWriteBufferSize() / sizeof(FileSys::Entry);
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// Read the data from the Directory backend
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std::vector<FileSys::Entry> entries(count_entries);
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u64 read_entries = backend->Read(count_entries, entries.data());
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// Convert the data into a byte array
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std::vector<u8> output(entries.size() * sizeof(FileSys::Entry));
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std::memcpy(output.data(), entries.data(), output.size());
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// Write the data to memory
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ctx.WriteBuffer(output);
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push(read_entries);
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}
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void GetEntryCount(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_FS, "called");
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u64 count = backend->GetEntryCount();
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IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
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rb.Push(count);
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}
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};
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2018-02-19 06:33:48 +01:00
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class IFileSystem final : public ServiceFramework<IFileSystem> {
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public:
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explicit IFileSystem(std::unique_ptr<FileSys::FileSystemBackend>&& backend)
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: ServiceFramework("IFileSystem"), backend(std::move(backend)) {
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static const FunctionInfo functions[] = {
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{0, &IFileSystem::CreateFile, "CreateFile"},
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2018-03-21 15:36:26 +01:00
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{2, &IFileSystem::CreateDirectory, "CreateDirectory"},
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2018-02-19 06:33:48 +01:00
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{7, &IFileSystem::GetEntryType, "GetEntryType"},
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{8, &IFileSystem::OpenFile, "OpenFile"},
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2018-03-20 05:02:30 +01:00
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{9, &IFileSystem::OpenDirectory, "OpenDirectory"},
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2018-02-19 06:33:48 +01:00
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{10, &IFileSystem::Commit, "Commit"},
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};
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RegisterHandlers(functions);
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}
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void CreateFile(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto file_buffer = ctx.ReadBuffer();
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auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
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std::string name(file_buffer.begin(), end);
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u64 mode = rp.Pop<u64>();
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u32 size = rp.Pop<u32>();
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LOG_DEBUG(Service_FS, "called file %s mode 0x%" PRIX64 " size 0x%08X", name.c_str(), mode,
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size);
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(backend->CreateFile(name, size));
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}
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2018-03-21 15:36:26 +01:00
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void CreateDirectory(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto file_buffer = ctx.ReadBuffer();
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auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
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std::string name(file_buffer.begin(), end);
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LOG_DEBUG(Service_FS, "called directory %s", name.c_str());
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(backend->CreateDirectory(name));
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}
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2018-02-19 06:33:48 +01:00
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void OpenFile(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto file_buffer = ctx.ReadBuffer();
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auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
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std::string name(file_buffer.begin(), end);
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auto mode = static_cast<FileSys::Mode>(rp.Pop<u32>());
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LOG_DEBUG(Service_FS, "called file %s mode %u", name.c_str(), static_cast<u32>(mode));
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auto result = backend->OpenFile(name, mode);
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if (result.Failed()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(result.Code());
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return;
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}
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auto file = std::move(result.Unwrap());
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IFile>(std::move(file));
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}
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2018-03-20 05:02:30 +01:00
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void OpenDirectory(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto file_buffer = ctx.ReadBuffer();
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auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
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std::string name(file_buffer.begin(), end);
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// TODO(Subv): Implement this filter.
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u32 filter_flags = rp.Pop<u32>();
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LOG_DEBUG(Service_FS, "called directory %s filter %u", name.c_str(), filter_flags);
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auto result = backend->OpenDirectory(name);
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if (result.Failed()) {
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IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(result.Code());
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return;
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}
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auto directory = std::move(result.Unwrap());
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
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rb.Push(RESULT_SUCCESS);
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rb.PushIpcInterface<IDirectory>(std::move(directory));
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}
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2018-02-19 06:33:48 +01:00
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void GetEntryType(Kernel::HLERequestContext& ctx) {
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IPC::RequestParser rp{ctx};
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auto file_buffer = ctx.ReadBuffer();
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auto end = std::find(file_buffer.begin(), file_buffer.end(), '\0');
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std::string name(file_buffer.begin(), end);
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LOG_DEBUG(Service_FS, "called file %s", name.c_str());
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auto result = backend->GetEntryType(name);
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if (result.Failed()) {
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|
IPC::ResponseBuilder rb{ctx, 2};
|
|
|
|
rb.Push(result.Code());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
IPC::ResponseBuilder rb{ctx, 3};
|
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
rb.Push<u32>(static_cast<u32>(*result));
|
|
|
|
}
|
|
|
|
|
|
|
|
void Commit(Kernel::HLERequestContext& ctx) {
|
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called");
|
|
|
|
|
|
|
|
IPC::ResponseBuilder rb{ctx, 2};
|
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
}
|
|
|
|
|
|
|
|
private:
|
|
|
|
std::unique_ptr<FileSys::FileSystemBackend> backend;
|
|
|
|
};
|
|
|
|
|
2018-01-17 04:20:12 +01:00
|
|
|
FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
|
|
|
|
static const FunctionInfo functions[] = {
|
|
|
|
{1, &FSP_SRV::Initalize, "Initalize"},
|
2018-02-10 05:30:28 +01:00
|
|
|
{18, &FSP_SRV::MountSdCard, "MountSdCard"},
|
2018-03-04 20:31:57 +01:00
|
|
|
{22, &FSP_SRV::CreateSaveData, "CreateSaveData"},
|
2018-02-19 06:33:48 +01:00
|
|
|
{51, &FSP_SRV::MountSaveData, "MountSaveData"},
|
2018-01-17 04:20:12 +01:00
|
|
|
{200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
|
2018-02-07 13:11:17 +01:00
|
|
|
{202, nullptr, "OpenDataStorageByDataId"},
|
2018-01-17 04:20:12 +01:00
|
|
|
{203, &FSP_SRV::OpenRomStorage, "OpenRomStorage"},
|
|
|
|
{1005, &FSP_SRV::GetGlobalAccessLogMode, "GetGlobalAccessLogMode"},
|
|
|
|
};
|
|
|
|
RegisterHandlers(functions);
|
|
|
|
}
|
|
|
|
|
2018-01-21 03:32:36 +01:00
|
|
|
void FSP_SRV::TryLoadRomFS() {
|
|
|
|
if (romfs) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
FileSys::Path unused;
|
|
|
|
auto res = OpenFileSystem(Type::RomFS, unused);
|
|
|
|
if (res.Succeeded()) {
|
|
|
|
romfs = std::move(res.Unwrap());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-01-17 04:20:12 +01:00
|
|
|
void FSP_SRV::Initalize(Kernel::HLERequestContext& ctx) {
|
2018-01-21 03:32:36 +01:00
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called");
|
|
|
|
|
2018-01-24 01:52:18 +01:00
|
|
|
IPC::ResponseBuilder rb{ctx, 2};
|
2018-01-17 04:20:12 +01:00
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
}
|
|
|
|
|
2018-02-10 05:30:28 +01:00
|
|
|
void FSP_SRV::MountSdCard(Kernel::HLERequestContext& ctx) {
|
2018-03-20 03:21:49 +01:00
|
|
|
LOG_DEBUG(Service_FS, "called");
|
2018-02-10 05:30:28 +01:00
|
|
|
|
2018-03-20 03:21:49 +01:00
|
|
|
FileSys::Path unused;
|
|
|
|
auto filesystem = OpenFileSystem(Type::SDMC, unused).Unwrap();
|
|
|
|
|
|
|
|
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
|
2018-02-10 05:30:28 +01:00
|
|
|
rb.Push(RESULT_SUCCESS);
|
2018-03-20 03:21:49 +01:00
|
|
|
rb.PushIpcInterface<IFileSystem>(std::move(filesystem));
|
2018-02-10 05:30:28 +01:00
|
|
|
}
|
|
|
|
|
2018-03-04 20:31:57 +01:00
|
|
|
void FSP_SRV::CreateSaveData(Kernel::HLERequestContext& ctx) {
|
|
|
|
IPC::RequestParser rp{ctx};
|
|
|
|
|
|
|
|
auto save_struct = rp.PopRaw<std::array<u8, 0x40>>();
|
|
|
|
auto save_create_struct = rp.PopRaw<std::array<u8, 0x40>>();
|
|
|
|
u128 uid = rp.PopRaw<u128>();
|
|
|
|
|
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called uid = %016" PRIX64 "%016" PRIX64, uid[1], uid[0]);
|
|
|
|
|
|
|
|
IPC::ResponseBuilder rb{ctx, 2};
|
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
}
|
|
|
|
|
2018-02-19 06:33:48 +01:00
|
|
|
void FSP_SRV::MountSaveData(Kernel::HLERequestContext& ctx) {
|
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called");
|
|
|
|
|
|
|
|
FileSys::Path unused;
|
|
|
|
auto filesystem = OpenFileSystem(Type::SaveData, unused).Unwrap();
|
|
|
|
|
|
|
|
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
|
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
rb.PushIpcInterface<IFileSystem>(std::move(filesystem));
|
|
|
|
}
|
|
|
|
|
2018-01-17 04:20:12 +01:00
|
|
|
void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
|
2018-01-21 03:32:36 +01:00
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called");
|
|
|
|
|
2018-01-24 01:52:18 +01:00
|
|
|
IPC::ResponseBuilder rb{ctx, 3};
|
2018-01-17 04:20:12 +01:00
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
rb.Push<u32>(5);
|
|
|
|
}
|
|
|
|
|
|
|
|
void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
|
2018-01-21 03:32:36 +01:00
|
|
|
LOG_DEBUG(Service_FS, "called");
|
|
|
|
|
|
|
|
TryLoadRomFS();
|
|
|
|
if (!romfs) {
|
|
|
|
// TODO (bunnei): Find the right error code to use here
|
|
|
|
LOG_CRITICAL(Service_FS, "no file system interface available!");
|
2018-01-24 01:52:18 +01:00
|
|
|
IPC::ResponseBuilder rb{ctx, 2};
|
2018-01-21 03:32:36 +01:00
|
|
|
rb.Push(ResultCode(-1));
|
2018-01-17 04:20:12 +01:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-01-21 03:32:36 +01:00
|
|
|
// Attempt to open a StorageBackend interface to the RomFS
|
|
|
|
auto storage = romfs->OpenFile({}, {});
|
2018-01-17 04:20:12 +01:00
|
|
|
if (storage.Failed()) {
|
2018-01-21 03:32:36 +01:00
|
|
|
LOG_CRITICAL(Service_FS, "no storage interface available!");
|
2018-01-24 01:52:18 +01:00
|
|
|
IPC::ResponseBuilder rb{ctx, 2};
|
2018-01-17 04:20:12 +01:00
|
|
|
rb.Push(storage.Code());
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2018-01-24 01:52:18 +01:00
|
|
|
IPC::ResponseBuilder rb{ctx, 2, 0, 1};
|
2018-01-17 04:20:12 +01:00
|
|
|
rb.Push(RESULT_SUCCESS);
|
|
|
|
rb.PushIpcInterface<IStorage>(std::move(storage.Unwrap()));
|
|
|
|
}
|
|
|
|
|
|
|
|
void FSP_SRV::OpenRomStorage(Kernel::HLERequestContext& ctx) {
|
2018-01-21 03:32:36 +01:00
|
|
|
LOG_WARNING(Service_FS, "(STUBBED) called, using OpenDataStorageByCurrentProcess");
|
2018-01-17 04:20:12 +01:00
|
|
|
OpenDataStorageByCurrentProcess(ctx);
|
|
|
|
}
|
|
|
|
|
2018-01-21 03:32:36 +01:00
|
|
|
} // namespace FileSystem
|
2018-01-17 04:20:12 +01:00
|
|
|
} // namespace Service
|