mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 11:23:23 +02:00
fsp_srv: Various improvements to IStorage:Read implementation.
This commit is contained in:
parent
d9a91d7678
commit
8e50d6002b
@ -304,6 +304,11 @@ inline u64 RequestParser::Pop() {
|
||||
return msw << 32 | lsw;
|
||||
}
|
||||
|
||||
template <>
|
||||
inline s64 RequestParser::Pop() {
|
||||
return static_cast<s64>(Pop<u64>());
|
||||
}
|
||||
|
||||
template <>
|
||||
inline bool RequestParser::Pop() {
|
||||
return Pop<u8>() != 0;
|
||||
|
@ -19,6 +19,8 @@
|
||||
enum class ErrorDescription : u32 {
|
||||
Success = 0,
|
||||
RemoteProcessDead = 301,
|
||||
InvalidOffset = 6061,
|
||||
InvalidLength = 6062,
|
||||
};
|
||||
|
||||
/**
|
||||
|
@ -6,11 +6,20 @@
|
||||
|
||||
#include <memory>
|
||||
#include "common/common_types.h"
|
||||
#include "core/file_sys/filesystem.h"
|
||||
#include "core/hle/result.h"
|
||||
#include "core/hle/service/service.h"
|
||||
|
||||
namespace FileSys {
|
||||
class FileSystemBackend;
|
||||
class FileSystemFactory;
|
||||
class Path;
|
||||
} // namespace FileSys
|
||||
|
||||
namespace Service {
|
||||
|
||||
namespace SM {
|
||||
class ServiceManager;
|
||||
} // namespace SM
|
||||
|
||||
namespace FileSystem {
|
||||
|
||||
/// Supported FileSystem types
|
||||
@ -37,5 +46,5 @@ ResultVal<std::unique_ptr<FileSys::FileSystemBackend>> OpenFileSystem(Type type,
|
||||
/// Registers all Filesystem services with the specified service manager.
|
||||
void InstallInterfaces(SM::ServiceManager& service_manager);
|
||||
|
||||
} // namespace Filesystem
|
||||
} // namespace FileSystem
|
||||
} // namespace Service
|
||||
|
@ -20,9 +20,8 @@ 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"},
|
||||
{0, &IStorage::Read, "Read"}, {1, nullptr, "Write"}, {2, nullptr, "Flush"},
|
||||
{3, nullptr, "SetSize"}, {4, nullptr, "GetSize"},
|
||||
};
|
||||
RegisterHandlers(functions);
|
||||
}
|
||||
@ -32,49 +31,40 @@ private:
|
||||
|
||||
void Read(Kernel::HLERequestContext& ctx) {
|
||||
IPC::RequestParser rp{ctx};
|
||||
u64 offset = rp.Pop<u64>();
|
||||
u64 length = rp.Pop<u64>();
|
||||
const s64 offset = rp.Pop<s64>();
|
||||
const s64 length = rp.Pop<s64>();
|
||||
const auto& descriptor = ctx.BufferDescriptorB()[0];
|
||||
|
||||
LOG_DEBUG(Service, "called, offset=0x%llx, length=0x%llx", offset, length);
|
||||
LOG_DEBUG(Service_FS, "called, offset=0x%llx, length=0x%llx", offset, length);
|
||||
|
||||
auto descriptor = ctx.BufferDescriptorB()[0];
|
||||
// Error checking
|
||||
ASSERT_MSG(length == descriptor.Size(), "unexpected size difference");
|
||||
if (length < 0) {
|
||||
IPC::RequestBuilder rb{ctx, 2};
|
||||
rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidLength));
|
||||
return;
|
||||
}
|
||||
if (offset < 0) {
|
||||
IPC::RequestBuilder rb{ctx, 2};
|
||||
rb.Push(ResultCode(ErrorModule::FS, ErrorDescription::InvalidOffset));
|
||||
return;
|
||||
}
|
||||
|
||||
// Read the data from the Storage backend
|
||||
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());
|
||||
return;
|
||||
}
|
||||
|
||||
// Write the data to memory
|
||||
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") {
|
||||
@ -87,46 +77,62 @@ FSP_SRV::FSP_SRV() : ServiceFramework("fsp-srv") {
|
||||
RegisterHandlers(functions);
|
||||
}
|
||||
|
||||
void FSP_SRV::TryLoadRomFS() {
|
||||
if (romfs) {
|
||||
return;
|
||||
}
|
||||
FileSys::Path unused;
|
||||
auto res = OpenFileSystem(Type::RomFS, unused);
|
||||
if (res.Succeeded()) {
|
||||
romfs = std::move(res.Unwrap());
|
||||
}
|
||||
}
|
||||
|
||||
void FSP_SRV::Initalize(Kernel::HLERequestContext& ctx) {
|
||||
LOG_WARNING(Service_FS, "(STUBBED) called");
|
||||
|
||||
IPC::RequestBuilder rb{ctx, 2};
|
||||
rb.Push(RESULT_SUCCESS);
|
||||
LOG_WARNING(Service, "(STUBBED) called");
|
||||
}
|
||||
|
||||
void FSP_SRV::GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx) {
|
||||
LOG_WARNING(Service_FS, "(STUBBED) called");
|
||||
|
||||
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()) {
|
||||
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!");
|
||||
IPC::RequestBuilder rb{ctx, 2};
|
||||
rb.Push(filesystem.Code());
|
||||
rb.Push(ResultCode(-1));
|
||||
return;
|
||||
}
|
||||
|
||||
auto storage = filesystem.Unwrap()->OpenFile({}, {});
|
||||
// Attempt to open a StorageBackend interface to the RomFS
|
||||
auto storage = romfs->OpenFile({}, {});
|
||||
if (storage.Failed()) {
|
||||
LOG_CRITICAL(Service_FS, "no storage interface available!");
|
||||
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) {
|
||||
LOG_WARNING(Service_FS, "(STUBBED) called, using OpenDataStorageByCurrentProcess");
|
||||
OpenDataStorageByCurrentProcess(ctx);
|
||||
}
|
||||
|
||||
} // namespace Filesystem
|
||||
} // namespace FileSystem
|
||||
} // namespace Service
|
||||
|
@ -4,22 +4,31 @@
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include "core/hle/service/service.h"
|
||||
|
||||
namespace FileSys {
|
||||
class FileSystemBackend;
|
||||
}
|
||||
|
||||
namespace Service {
|
||||
namespace FileSystem {
|
||||
|
||||
class FSP_SRV final : public ServiceFramework<FSP_SRV> {
|
||||
public:
|
||||
FSP_SRV();
|
||||
explicit FSP_SRV();
|
||||
~FSP_SRV() = default;
|
||||
|
||||
private:
|
||||
void TryLoadRomFS();
|
||||
|
||||
void Initalize(Kernel::HLERequestContext& ctx);
|
||||
void GetGlobalAccessLogMode(Kernel::HLERequestContext& ctx);
|
||||
void OpenDataStorageByCurrentProcess(Kernel::HLERequestContext& ctx);
|
||||
void OpenRomStorage(Kernel::HLERequestContext& ctx);
|
||||
|
||||
std::unique_ptr<FileSys::FileSystemBackend> romfs;
|
||||
};
|
||||
|
||||
} // namespace Filesystem
|
||||
} // namespace FileSystem
|
||||
} // namespace Service
|
||||
|
Loading…
Reference in New Issue
Block a user