// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/core.h"
#include "core/file_sys/filesystem.h"
#include "core/file_sys/storage.h"
#include "core/hle/ipc_helpers.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/client_session.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/filesystem/fsp_srv.h"
namespace Service {
namespace FileSystem {
class IStorage final : public ServiceFramework<IStorage> {
public:
IStorage(std::unique_ptr<FileSys::StorageBackend>&& backend)
: ServiceFramework("IStorage"), backend(std::move(backend)) {
static const FunctionInfo functions[] = {
{0, &IStorage::Read, "Read"}, {1, &IStorage::Write, "Write"},
{2, &IStorage::Flush, "Flush"}, {3, &IStorage::SetSize, "SetSize"},
{4, &IStorage::GetSize, "GetSize"},
};
RegisterHandlers(functions);
}
private:
std::unique_ptr<FileSys::StorageBackend> backend;
void Read(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u64 offset = rp.Pop<u64>();
u64 length = rp.Pop<u64>();
LOG_DEBUG(Service, "called, offset=0x%llx, length=0x%llx", offset, length);
auto descriptor = ctx.BufferDescriptorB()[0];
std::vector<u8> output(length);
ResultVal<size_t> res = backend->Read(offset, length, output.data());
if (res.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(res.Code());
}
Memory::WriteBlock(descriptor.Address(), output.data(), descriptor.Size());
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void Write(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void Flush(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void SetSize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void GetSize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
};
FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
static const FunctionInfo functions[] = {
{1, &FSP_SRV::Initalize, "Initalize"},
{200, &FSP_SRV::OpenDataStorageByCurrentProcess, "OpenDataStorageByCurrentProcess"},
{203, &FSP_SRV::OpenRomStorage, "OpenRomStorage"},
{1005, &FSP_SRV::GetGlobalAccessLogMode, "GetGlobalAccessLogMode"},
};
RegisterHandlers(functions);
}
void FSP_SRV::Initalize(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
IPC::RequestBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push<u32>(5);
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx) {
FileSys::Path path;
auto filesystem = OpenFileSystem(Type::RomFS, path);
if (filesystem.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(filesystem.Code());
return;
}
auto storage = filesystem.Unwrap()->OpenFile({}, {});
if (storage.Failed()) {
IPC::RequestBuilder rb{ctx, 2};
rb.Push(storage.Code());
return;
}
// TODO: What if already opened?
IPC::RequestBuilder rb{ctx, 2, 0, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IStorage>(std::move(storage.Unwrap()));
LOG_WARNING(Service, "(STUBBED) called");
}
void FSP_SRV::OpenRomStorage(Kernel::HLERequestContext& ctx) {
OpenDataStorageByCurrentProcess(ctx);
}
} // namespace Filesystem
} // namespace Service