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Merge pull request #147 from yuriks/error-codes

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Error codes
This commit is contained in:
bunnei 2014-11-24 15:31:53 -05:00
parent ef1b16a7eb 8189593255
commit bb730855e5
24 changed files with 697 additions and 428 deletions
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1
src/core/CMakeLists.txt
View file

@ -133,6 +133,7 @@ set(HEADERS
hle/service/srv.h
hle/service/ssl_c.h
hle/config_mem.h
hle/result.h
hle/function_wrappers.h
hle/hle.h
hle/svc.h

34
src/core/arm/skyeye_common/armdefs.h
View file

@ -799,22 +799,24 @@ pascal void SpinCursor (short increment); /* copied from CursorCtl.h */
#include "list.h"
#include "tb.h"
*/
#define EQ 0
#define NE 1
#define CS 2
#define CC 3
#define MI 4
#define PL 5
#define VS 6
#define VC 7
#define HI 8
#define LS 9
#define GE 10
#define LT 11
#define GT 12
#define LE 13
#define AL 14
#define NV 15
enum ConditionCode {
EQ = 0,
NE = 1,
CS = 2,
CC = 3,
MI = 4,
PL = 5,
VS = 6,
VC = 7,
HI = 8,
LS = 9,
GE = 10,
LT = 11,
GT = 12,
LE = 13,
AL = 14,
NV = 15,
};
#ifndef NFLAG
#define NFLAG state->NFlag

18
src/core/arm/skyeye_common/armemu.h
View file

@ -25,24 +25,6 @@
#define DEBUG(...) DEBUG_LOG(ARM11, __VA_ARGS__)
/* Condition code values. */
#define EQ 0
#define NE 1
#define CS 2
#define CC 3
#define MI 4
#define PL 5
#define VS 6
#define VC 7
#define HI 8
#define LS 9
#define GE 10
#define LT 11
#define GT 12
#define LE 13
#define AL 14
#define NV 15
/* Shift Opcodes. */
#define LSL 0
#define LSR 1

15
src/core/hle/kernel/address_arbiter.cpp
View file

@ -25,22 +25,17 @@ public:
std::string name; ///< Name of address arbiter object (optional)
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
return 0;
return UnimplementedFunction(ErrorModule::OS);
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
/// Arbitrate an address
Result ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) {
ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value) {
switch (type) {
// Signal thread(s) waiting for arbitrate address...
@ -65,9 +60,9 @@ Result ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 va
default:
ERROR_LOG(KERNEL, "unknown type=%d", type);
return -1;
return ResultCode(ErrorDescription::InvalidEnumValue, ErrorModule::Kernel, ErrorSummary::WrongArgument, ErrorLevel::Usage);
}
return 0;
return RESULT_SUCCESS;
}
/// Create an address arbiter

2
src/core/hle/kernel/address_arbiter.h
View file

@ -28,7 +28,7 @@ enum class ArbitrationType : u32 {
};
/// Arbitrate an address
Result ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value);
ResultCode ArbitrateAddress(Handle handle, ArbitrationType type, u32 address, s32 value);
/// Create an address arbiter
Handle CreateAddressArbiter(const std::string& name = "Unknown");

174
src/core/hle/kernel/archive.cpp
View file

@ -9,8 +9,9 @@
#include "core/file_sys/archive.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/directory.h"
#include "core/hle/service/service.h"
#include "core/hle/kernel/archive.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Kernel namespace
@ -51,12 +52,7 @@ public:
std::string name; ///< Name of archive (optional)
FileSys::Archive* backend; ///< Archive backend interface
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result SyncRequest(bool* wait) override {
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Service::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
@ -106,22 +102,17 @@ public:
default:
{
ERROR_LOG(KERNEL, "Unknown command=0x%08X!", cmd);
return -1;
return UnimplementedFunction(ErrorModule::FS);
}
}
cmd_buff[1] = 0; // No error
return 0;
return MakeResult<bool>(false);
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
return 0;
return UnimplementedFunction(ErrorModule::FS);
}
};
@ -136,12 +127,7 @@ public:
FileSys::Path path; ///< Path of the file
std::unique_ptr<FileSys::File> backend; ///< File backend interface
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result SyncRequest(bool* wait) override {
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Service::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
@ -183,7 +169,8 @@ public:
case FileCommand::SetSize:
{
u64 size = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
DEBUG_LOG(KERNEL, "SetSize %s %s size=%llu", GetTypeName().c_str(), GetName().c_str(), size);
DEBUG_LOG(KERNEL, "SetSize %s %s size=%llu",
GetTypeName().c_str(), GetName().c_str(), size);
backend->SetSize(size);
break;
}
@ -198,22 +185,18 @@ public:
// Unknown command...
default:
ERROR_LOG(KERNEL, "Unknown command=0x%08X!", cmd);
cmd_buff[1] = -1; // TODO(Link Mauve): use the correct error code for that.
return -1;
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
}
cmd_buff[1] = 0; // No error
return 0;
return MakeResult<bool>(false);
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
return 0;
return UnimplementedFunction(ErrorModule::FS);
}
};
@ -228,12 +211,7 @@ public:
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::Directory> backend; ///< File backend interface
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result SyncRequest(bool* wait) override {
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Service::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
@ -243,8 +221,9 @@ public:
{
u32 count = cmd_buff[1];
u32 address = cmd_buff[3];
FileSys::Entry* entries = reinterpret_cast<FileSys::Entry*>(Memory::GetPointer(address));
DEBUG_LOG(KERNEL, "Read %s %s: count=%d", GetTypeName().c_str(), GetName().c_str(), count);
auto entries = reinterpret_cast<FileSys::Entry*>(Memory::GetPointer(address));
DEBUG_LOG(KERNEL, "Read %s %s: count=%d",
GetTypeName().c_str(), GetName().c_str(), count);
// Number of entries actually read
cmd_buff[2] = backend->Read(count, entries);
@ -261,22 +240,18 @@ public:
// Unknown command...
default:
ERROR_LOG(KERNEL, "Unknown command=0x%08X!", cmd);
cmd_buff[1] = -1; // TODO(Link Mauve): use the correct error code for that.
return -1;
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
}
cmd_buff[1] = 0; // No error
return 0;
return MakeResult<bool>(false);
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
return 0;
return UnimplementedFunction(ErrorModule::FS);
}
};
@ -284,89 +259,58 @@ public:
std::map<FileSys::Archive::IdCode, Handle> g_archive_map; ///< Map of file archives by IdCode
/**
* Opens an archive
* @param id_code IdCode of the archive to open
* @return Handle to archive if it exists, otherwise a null handle (0)
*/
Handle OpenArchive(FileSys::Archive::IdCode id_code) {
ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code) {
auto itr = g_archive_map.find(id_code);
if (itr == g_archive_map.end()) {
return 0;
}
return itr->second;
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
/**
* Closes an archive
* @param id_code IdCode of the archive to open
* @return Result of operation, 0 on success, otherwise error code
*/
Result CloseArchive(FileSys::Archive::IdCode id_code) {
return MakeResult<Handle>(itr->second);
}
ResultCode CloseArchive(FileSys::Archive::IdCode id_code) {
auto itr = g_archive_map.find(id_code);
if (itr == g_archive_map.end()) {
ERROR_LOG(KERNEL, "Cannot close archive %d, does not exist!", (int)id_code);
return -1;
return InvalidHandle(ErrorModule::FS);
}
INFO_LOG(KERNEL, "Closed archive %d", (int) id_code);
return 0;
return RESULT_SUCCESS;
}
/**
* Mounts an archive
* @param archive Pointer to the archive to mount
* @return Result of operation, 0 on success, otherwise error code
*/
Result MountArchive(Archive* archive) {
ResultCode MountArchive(Archive* archive) {
FileSys::Archive::IdCode id_code = archive->backend->GetIdCode();
if (0 != OpenArchive(id_code)) {
ResultVal<Handle> archive_handle = OpenArchive(id_code);
if (archive_handle.Succeeded()) {
ERROR_LOG(KERNEL, "Cannot mount two archives with the same ID code! (%d)", (int) id_code);
return -1;
return archive_handle.Code();
}
g_archive_map[id_code] = archive->GetHandle();
INFO_LOG(KERNEL, "Mounted archive %s", archive->GetName().c_str());
return 0;
return RESULT_SUCCESS;
}
/**
* Creates an Archive
* @param handle Handle to newly created archive object
* @param backend File system backend interface to the archive
* @param name Optional name of Archive
* @return Newly created Archive object
*/
Archive* CreateArchive(Handle& handle, FileSys::Archive* backend, const std::string& name) {
ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name) {
Archive* archive = new Archive;
handle = Kernel::g_object_pool.Create(archive);
Handle handle = Kernel::g_object_pool.Create(archive);
archive->name = name;
archive->backend = backend;
MountArchive(archive);
return archive;
ResultCode result = MountArchive(archive);
if (result.IsError()) {
return result;
}
/**
* Creates an Archive
* @param backend File system backend interface to the archive
* @param name Optional name of Archive
* @return Handle to newly created Archive object
*/
Handle CreateArchive(FileSys::Archive* backend, const std::string& name) {
Handle handle;
CreateArchive(handle, backend, name);
return handle;
return RESULT_SUCCESS;
}
/**
* Open a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @param mode Mode under which to open the File
* @return Opened File object
*/
Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
// TODO(bunnei): Binary type files get a raw file pointer to the archive. Currently, we create
// the archive file handles at app loading, and then keep them persistent throughout execution.
// Archives file handles are just reused and not actually freed until emulation shut down.
@ -376,19 +320,24 @@ Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, con
// design. While the functionally of this is OK, our implementation decision to separate
// normal files from archive file pointers is very likely wrong.
// See https://github.com/citra-emu/citra/issues/205
return archive_handle;
return MakeResult<Handle>(archive_handle);
File* file = new File;
Handle handle = Kernel::g_object_pool.Create(file);
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
if (archive == nullptr) {
return InvalidHandle(ErrorModule::FS);
}
file->path = path;
file->backend = archive->backend->OpenFile(path, mode);
if (!file->backend)
return 0;
if (!file->backend) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
return handle;
return MakeResult<Handle>(handle);
}
/**
@ -442,15 +391,18 @@ Result CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& pa
* @param path Path to the Directory inside of the Archive
* @return Opened Directory object
*/
Handle OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
Directory* directory = new Directory;
Handle handle = Kernel::g_object_pool.Create(directory);
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
if (archive == nullptr) {
return InvalidHandle(ErrorModule::FS);
}
directory->path = path;
directory->backend = archive->backend->OpenDirectory(path);
return handle;
return MakeResult<Handle>(handle);
}
/// Initialize archives

23
src/core/hle/kernel/archive.h
View file

@ -6,8 +6,9 @@
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/file_sys/archive.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Kernel namespace
@ -17,33 +18,31 @@ namespace Kernel {
/**
* Opens an archive
* @param id_code IdCode of the archive to open
* @return Handle to archive if it exists, otherwise a null handle (0)
* @return Handle to the opened archive
*/
Handle OpenArchive(FileSys::Archive::IdCode id_code);
ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code);
/**
* Closes an archive
* @param id_code IdCode of the archive to open
* @return true if it worked fine
*/
Result CloseArchive(FileSys::Archive::IdCode id_code);
ResultCode CloseArchive(FileSys::Archive::IdCode id_code);
/**
* Creates an Archive
* @param backend File system backend interface to the archive
* @param name Optional name of Archive
* @return Handle to newly created Archive object
* @param name Name of Archive
*/
Handle CreateArchive(FileSys::Archive* backend, const std::string& name);
ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name);
/**
* Open a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @param mode Mode under which to open the File
* @return Opened File object
* @return Handle to the opened File object
*/
Handle OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
/**
* Delete a File from an Archive
@ -73,9 +72,9 @@ Result CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& pa
* Open a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Opened Directory object
* @return Handle to the opened File object
*/
Handle OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
/// Initialize archives
void ArchiveInit();

43
src/core/hle/kernel/event.cpp
View file

@ -30,13 +30,8 @@ public:
std::vector<Handle> waiting_threads; ///< Threads that are waiting for the event
std::string name; ///< Name of event (optional)
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
*wait = locked;
ResultVal<bool> WaitSynchronization() override {
bool wait = locked;
if (locked) {
Handle thread = GetCurrentThreadHandle();
if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
@ -47,7 +42,7 @@ public:
if (reset_type != RESETTYPE_STICKY && !permanent_locked) {
locked = true;
}
return 0;
return MakeResult<bool>(wait);
}
};
@ -57,12 +52,12 @@ public:
* @param permanent_locked Boolean permanent locked value to set event
* @return Result of operation, 0 on success, otherwise error code
*/
Result SetPermanentLock(Handle handle, const bool permanent_locked) {
Event* evt = g_object_pool.GetFast<Event>(handle);
_assert_msg_(KERNEL, (evt != nullptr), "called, but event is nullptr!");
ResultCode SetPermanentLock(Handle handle, const bool permanent_locked) {
Event* evt = g_object_pool.Get<Event>(handle);
if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
evt->permanent_locked = permanent_locked;
return 0;
return RESULT_SUCCESS;
}
/**
@ -71,14 +66,14 @@ Result SetPermanentLock(Handle handle, const bool permanent_locked) {
* @param locked Boolean locked value to set event
* @return Result of operation, 0 on success, otherwise error code
*/
Result SetEventLocked(const Handle handle, const bool locked) {
Event* evt = g_object_pool.GetFast<Event>(handle);
_assert_msg_(KERNEL, (evt != nullptr), "called, but event is nullptr!");
ResultCode SetEventLocked(const Handle handle, const bool locked) {
Event* evt = g_object_pool.Get<Event>(handle);
if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
if (!evt->permanent_locked) {
evt->locked = locked;
}
return 0;
return RESULT_SUCCESS;
}
/**
@ -86,9 +81,9 @@ Result SetEventLocked(const Handle handle, const bool locked) {
* @param handle Handle to event to signal
* @return Result of operation, 0 on success, otherwise error code
*/
Result SignalEvent(const Handle handle) {
Event* evt = g_object_pool.GetFast<Event>(handle);
_assert_msg_(KERNEL, (evt != nullptr), "called, but event is nullptr!");
ResultCode SignalEvent(const Handle handle) {
Event* evt = g_object_pool.Get<Event>(handle);
if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
// Resume threads waiting for event to signal
bool event_caught = false;
@ -106,7 +101,7 @@ Result SignalEvent(const Handle handle) {
if (!evt->permanent_locked) {
evt->locked = event_caught;
}
return 0;
return RESULT_SUCCESS;
}
/**
@ -114,14 +109,14 @@ Result SignalEvent(const Handle handle) {
* @param handle Handle to event to clear
* @return Result of operation, 0 on success, otherwise error code
*/
Result ClearEvent(Handle handle) {
Event* evt = g_object_pool.GetFast<Event>(handle);
_assert_msg_(KERNEL, (evt != nullptr), "called, but event is nullptr!");
ResultCode ClearEvent(Handle handle) {
Event* evt = g_object_pool.Get<Event>(handle);
if (evt == nullptr) return InvalidHandle(ErrorModule::Kernel);
if (!evt->permanent_locked) {
evt->locked = true;
}
return 0;
return RESULT_SUCCESS;
}
/**

12
src/core/hle/kernel/event.h
View file

@ -15,31 +15,27 @@ namespace Kernel {
* Changes whether an event is locked or not
* @param handle Handle to event to change
* @param locked Boolean locked value to set event
* @return Result of operation, 0 on success, otherwise error code
*/
Result SetEventLocked(const Handle handle, const bool locked);
ResultCode SetEventLocked(const Handle handle, const bool locked);
/**
* Hackish function to set an events permanent lock state, used to pass through synch blocks
* @param handle Handle to event to change
* @param permanent_locked Boolean permanent locked value to set event
* @return Result of operation, 0 on success, otherwise error code
*/
Result SetPermanentLock(Handle handle, const bool permanent_locked);
ResultCode SetPermanentLock(Handle handle, const bool permanent_locked);
/**
* Signals an event
* @param handle Handle to event to signal
* @return Result of operation, 0 on success, otherwise error code
*/
Result SignalEvent(const Handle handle);
ResultCode SignalEvent(const Handle handle);
/**
* Clears an event
* @param handle Handle to event to clear
* @return Result of operation, 0 on success, otherwise error code
*/
Result ClearEvent(Handle handle);
ResultCode ClearEvent(Handle handle);
/**
* Creates an event

44
src/core/hle/kernel/kernel.h
View file

@ -7,6 +7,7 @@
#include <array>
#include <string>
#include "common/common.h"
#include "core/hle/result.h"
typedef u32 Handle;
typedef s32 Result;
@ -52,21 +53,19 @@ public:
virtual Kernel::HandleType GetHandleType() const = 0;
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
* Synchronize kernel object.
* @return True if the current thread should wait as a result of the sync
*/
virtual Result SyncRequest(bool* wait) {
virtual ResultVal<bool> SyncRequest() {
ERROR_LOG(KERNEL, "(UNIMPLEMENTED)");
return -1;
return UnimplementedFunction(ErrorModule::Kernel);
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
* Wait for kernel object to synchronize.
* @return True if the current thread should wait as a result of the wait
*/
virtual Result WaitSynchronization(bool* wait) = 0;
virtual ResultVal<bool> WaitSynchronization() = 0;
};
class ObjectPool : NonCopyable {
@ -80,38 +79,29 @@ public:
static Object* CreateByIDType(int type);
template <class T>
u32 Destroy(Handle handle) {
u32 error;
if (Get<T>(handle, error)) {
void Destroy(Handle handle) {
if (Get<T>(handle)) {
occupied[handle - HANDLE_OFFSET] = false;
delete pool[handle - HANDLE_OFFSET];
}
return error;
}
bool IsValid(Handle handle);
template <class T>
T* Get(Handle handle, u32& outError) {
T* Get(Handle handle) {
if (handle < HANDLE_OFFSET || handle >= HANDLE_OFFSET + MAX_COUNT || !occupied[handle - HANDLE_OFFSET]) {
// Tekken 6 spams 0x80020001 gets wrong with no ill effects, also on the real PSP
if (handle != 0 && (u32)handle != 0x80020001) {
if (handle != 0) {
WARN_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
}
outError = 0;//T::GetMissingErrorCode();
return 0;
return nullptr;
} else {
// Previously we had a dynamic_cast here, but since RTTI was disabled traditionally,
// it just acted as a static case and everything worked. This means that we will never
// see the Wrong type object error below, but we'll just have to live with that danger.
T* t = static_cast<T*>(pool[handle - HANDLE_OFFSET]);
if (t == 0 || t->GetHandleType() != T::GetStaticHandleType()) {
Object* t = pool[handle - HANDLE_OFFSET];
if (t->GetHandleType() != T::GetStaticHandleType()) {
WARN_LOG(KERNEL, "Kernel: Wrong object type for %i (%08x)", handle, handle);
outError = 0;//T::GetMissingErrorCode();
return 0;
return nullptr;
}
outError = 0;//SCE_KERNEL_ERROR_OK;
return t;
return static_cast<T*>(t);
}
}

35
src/core/hle/kernel/mutex.cpp
View file

@ -27,31 +27,20 @@ public:
std::vector<Handle> waiting_threads; ///< Threads that are waiting for the mutex
std::string name; ///< Name of mutex (optional)
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result SyncRequest(bool* wait) override {
ResultVal<bool> SyncRequest() override {
// TODO(bunnei): ImplementMe
locked = true;
return 0;
return MakeResult<bool>(false);
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
*wait = locked;
bool wait = locked;
if (locked) {
Kernel::WaitCurrentThread(WAITTYPE_MUTEX, GetHandle());
}
return 0;
return MakeResult<bool>(wait);
}
};
@ -119,15 +108,17 @@ bool ReleaseMutex(Mutex* mutex) {
* Releases a mutex
* @param handle Handle to mutex to release
*/
Result ReleaseMutex(Handle handle) {
Mutex* mutex = Kernel::g_object_pool.GetFast<Mutex>(handle);
_assert_msg_(KERNEL, (mutex != nullptr), "ReleaseMutex tried to release a nullptr mutex!");
ResultCode ReleaseMutex(Handle handle) {
Mutex* mutex = Kernel::g_object_pool.Get<Mutex>(handle);
if (mutex == nullptr) return InvalidHandle(ErrorModule::Kernel);
if (!ReleaseMutex(mutex)) {
return -1;
// TODO(yuriks): Verify error code, this one was pulled out of thin air. I'm not even sure
// what error condition this is supposed to be signaling.
return ResultCode(ErrorDescription::AlreadyDone, ErrorModule::Kernel,
ErrorSummary::NothingHappened, ErrorLevel::Temporary);
}
return 0;
return RESULT_SUCCESS;
}
/**

3
src/core/hle/kernel/mutex.h
View file

@ -13,9 +13,8 @@ namespace Kernel {
/**
* Releases a mutex
* @param handle Handle to mutex to release
* @return Result of operation, 0 on success, otherwise error code
*/
Result ReleaseMutex(Handle handle);
ResultCode ReleaseMutex(Handle handle);
/**
* Creates a mutex

43
src/core/hle/kernel/shared_memory.cpp
View file

@ -16,15 +16,10 @@ public:
static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::SharedMemory; }
Kernel::HandleType GetHandleType() const override { return Kernel::HandleType::SharedMemory; }
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "(UNIMPLEMENTED)");
return 0;
return UnimplementedFunction(ErrorModule::OS);
}
u32 base_address; ///< Address of shared memory block in RAM
@ -48,11 +43,6 @@ SharedMemory* CreateSharedMemory(Handle& handle, const std::string& name) {
return shared_memory;
}
/**
* Creates a shared memory object
* @param name Optional name of shared memory object
* @return Handle of newly created shared memory object
*/
Handle CreateSharedMemory(const std::string& name) {
Handle handle;
CreateSharedMemory(handle, name);
@ -67,39 +57,36 @@ Handle CreateSharedMemory(const std::string& name) {
* @param other_permissions Memory block map other permissions (specified by SVC field)
* @return Result of operation, 0 on success, otherwise error code
*/
Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
ResultCode MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
MemoryPermission other_permissions) {
if (address < Memory::SHARED_MEMORY_VADDR || address >= Memory::SHARED_MEMORY_VADDR_END) {
ERROR_LOG(KERNEL, "cannot map handle=0x%08X, address=0x%08X outside of shared mem bounds!",
handle, address);
return -1;
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
}
SharedMemory* shared_memory = Kernel::g_object_pool.GetFast<SharedMemory>(handle);
_assert_msg_(KERNEL, (shared_memory != nullptr), "handle 0x%08X is not valid!", handle);
SharedMemory* shared_memory = Kernel::g_object_pool.Get<SharedMemory>(handle);
if (shared_memory == nullptr) return InvalidHandle(ErrorModule::Kernel);
shared_memory->base_address = address;
shared_memory->permissions = permissions;
shared_memory->other_permissions = other_permissions;
return 0;
return RESULT_SUCCESS;
}
/**
* Gets a pointer to the shared memory block
* @param handle Shared memory block handle
* @param offset Offset from the start of the shared memory block to get pointer
* @return Pointer to the shared memory block from the specified offset
*/
u8* GetSharedMemoryPointer(Handle handle, u32 offset) {
SharedMemory* shared_memory = Kernel::g_object_pool.GetFast<SharedMemory>(handle);
_assert_msg_(KERNEL, (shared_memory != nullptr), "handle 0x%08X is not valid!", handle);
ResultVal<u8*> GetSharedMemoryPointer(Handle handle, u32 offset) {
SharedMemory* shared_memory = Kernel::g_object_pool.Get<SharedMemory>(handle);
if (shared_memory == nullptr) return InvalidHandle(ErrorModule::Kernel);
if (0 != shared_memory->base_address)
return Memory::GetPointer(shared_memory->base_address + offset);
return MakeResult<u8*>(Memory::GetPointer(shared_memory->base_address + offset));
ERROR_LOG(KERNEL, "memory block handle=0x%08X not mapped!", handle);
return nullptr;
// TODO(yuriks): Verify error code.
return ResultCode(ErrorDescription::InvalidAddress, ErrorModule::Kernel,
ErrorSummary::InvalidState, ErrorLevel::Permanent);
}
} // namespace

5
src/core/hle/kernel/shared_memory.h
View file

@ -32,9 +32,8 @@ Handle CreateSharedMemory(const std::string& name="Unknown");
* @param address Address in system memory to map shared memory block to
* @param permissions Memory block map permissions (specified by SVC field)
* @param other_permissions Memory block map other permissions (specified by SVC field)
* @return Result of operation, 0 on success, otherwise error code
*/
Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
ResultCode MapSharedMemory(Handle handle, u32 address, MemoryPermission permissions,
MemoryPermission other_permissions);
/**
@ -43,6 +42,6 @@ Result MapSharedMemory(u32 handle, u32 address, MemoryPermission permissions,
* @param offset Offset from the start of the shared memory block to get pointer
* @return Pointer to the shared memory block from the specified offset
*/
u8* GetSharedMemoryPointer(Handle handle, u32 offset);
ResultVal<u8*> GetSharedMemoryPointer(Handle handle, u32 offset);
} // namespace

78
src/core/hle/kernel/thread.cpp
View file

@ -11,10 +11,11 @@
#include "common/thread_queue_list.h"
#include "core/core.h"
#include "core/mem_map.h"
#include "core/hle/hle.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/result.h"
#include "core/mem_map.h"
namespace Kernel {
@ -33,21 +34,17 @@ public:
inline bool IsWaiting() const { return (status & THREADSTATUS_WAIT) != 0; }
inline bool IsSuspended() const { return (status & THREADSTATUS_SUSPEND) != 0; }
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
if (status != THREADSTATUS_DORMANT) {
ResultVal<bool> WaitSynchronization() override {
const bool wait = status != THREADSTATUS_DORMANT;
if (wait) {
Handle thread = GetCurrentThreadHandle();
if (std::find(waiting_threads.begin(), waiting_threads.end(), thread) == waiting_threads.end()) {
waiting_threads.push_back(thread);
}
WaitCurrentThread(WAITTYPE_THREADEND, this->GetHandle());
*wait = true;
}
return 0;
return MakeResult<bool>(wait);
}
ThreadContext context;
@ -144,27 +141,22 @@ void ChangeReadyState(Thread* t, bool ready) {
}
/// Verify that a thread has not been released from waiting
inline bool VerifyWait(const Handle& handle, WaitType type, Handle wait_handle) {
Thread* thread = g_object_pool.GetFast<Thread>(handle);
_assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!");
if (type != thread->wait_type || wait_handle != thread->wait_handle)
return false;
return true;
inline bool VerifyWait(const Thread* thread, WaitType type, Handle wait_handle) {
_dbg_assert_(KERNEL, thread != nullptr);
return type == thread->wait_type && wait_handle == thread->wait_handle;
}
/// Stops the current thread
void StopThread(Handle handle, const char* reason) {
Thread* thread = g_object_pool.GetFast<Thread>(handle);
_assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!");
ResultCode StopThread(Handle handle, const char* reason) {
Thread* thread = g_object_pool.Get<Thread>(handle);
if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel);
ChangeReadyState(thread, false);
thread->status = THREADSTATUS_DORMANT;
for (size_t i = 0; i < thread->waiting_threads.size(); ++i) {
const Handle waiting_thread = thread->waiting_threads[i];
for (Handle waiting_handle : thread->waiting_threads) {
Thread* waiting_thread = g_object_pool.Get<Thread>(waiting_handle);
if (VerifyWait(waiting_thread, WAITTYPE_THREADEND, handle)) {
ResumeThreadFromWait(waiting_thread);
ResumeThreadFromWait(waiting_handle);
}
}
thread->waiting_threads.clear();
@ -172,6 +164,8 @@ void StopThread(Handle handle, const char* reason) {
// Stopped threads are never waiting.
thread->wait_type = WAITTYPE_NONE;
thread->wait_handle = 0;
return RESULT_SUCCESS;
}
/// Changes a threads state
@ -195,13 +189,15 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
s32 priority = THREADPRIO_LOWEST;
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
for (const auto& handle : thread_queue) {
for (Handle handle : thread_queue) {
Thread* thread = g_object_pool.Get<Thread>(handle);
// TODO(bunnei): Verify arbiter address...
if (!VerifyWait(handle, WAITTYPE_ARB, arbiter))
if (!VerifyWait(thread, WAITTYPE_ARB, arbiter))
continue;
Thread* thread = g_object_pool.GetFast<Thread>(handle);
if (thread == nullptr)
continue; // TODO(yuriks): Thread handle will hang around forever. Should clean up.
if(thread->current_priority <= priority) {
highest_priority_thread = handle;
priority = thread->current_priority;
@ -218,10 +214,11 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address) {
void ArbitrateAllThreads(u32 arbiter, u32 address) {
// Iterate through threads, find highest priority thread that is waiting to be arbitrated...
for (const auto& handle : thread_queue) {
for (Handle handle : thread_queue) {
Thread* thread = g_object_pool.Get<Thread>(handle);
// TODO(bunnei): Verify arbiter address...
if (VerifyWait(handle, WAITTYPE_ARB, arbiter))
if (VerifyWait(thread, WAITTYPE_ARB, arbiter))
ResumeThreadFromWait(handle);
}
}
@ -272,7 +269,7 @@ Thread* NextThread() {
if (next == 0) {
return nullptr;
}
return Kernel::g_object_pool.GetFast<Thread>(next);
return Kernel::g_object_pool.Get<Thread>(next);
}
/**
@ -289,8 +286,7 @@ void WaitCurrentThread(WaitType wait_type, Handle wait_handle) {
/// Resumes a thread from waiting by marking it as "ready"
void ResumeThreadFromWait(Handle handle) {
u32 error;
Thread* thread = Kernel::g_object_pool.Get<Thread>(handle, error);
Thread* thread = Kernel::g_object_pool.Get<Thread>(handle);
if (thread) {
thread->status &= ~THREADSTATUS_WAIT;
if (!(thread->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {
@ -378,19 +374,23 @@ Handle CreateThread(const char* name, u32 entry_point, s32 priority, u32 arg, s3
}
/// Get the priority of the thread specified by handle
u32 GetThreadPriority(const Handle handle) {
Thread* thread = g_object_pool.GetFast<Thread>(handle);
_assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!");
return thread->current_priority;
ResultVal<u32> GetThreadPriority(const Handle handle) {
Thread* thread = g_object_pool.Get<Thread>(handle);
if (thread == nullptr) return InvalidHandle(ErrorModule::Kernel);
return MakeResult<u32>(thread->current_priority);
}
/// Set the priority of the thread specified by handle
Result SetThreadPriority(Handle handle, s32 priority) {
ResultCode SetThreadPriority(Handle handle, s32 priority) {
Thread* thread = nullptr;
if (!handle) {
thread = GetCurrentThread(); // TODO(bunnei): Is this correct behavior?
} else {
thread = g_object_pool.GetFast<Thread>(handle);
thread = g_object_pool.Get<Thread>(handle);
if (thread == nullptr) {
return InvalidHandle(ErrorModule::Kernel);
}
}
_assert_msg_(KERNEL, (thread != nullptr), "called, but thread is nullptr!");
@ -417,7 +417,7 @@ Result SetThreadPriority(Handle handle, s32 priority) {
thread_ready_queue.push_back(thread->current_priority, handle);
}
return 0;
return RESULT_SUCCESS;
}
/// Sets up the primary application thread

7
src/core/hle/kernel/thread.h
View file

@ -6,6 +6,7 @@
#include "common/common_types.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
enum ThreadPriority {
THREADPRIO_HIGHEST = 0, ///< Highest thread priority
@ -55,7 +56,7 @@ Handle SetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);
void Reschedule();
/// Stops the current thread
void StopThread(Handle thread, const char* reason);
ResultCode StopThread(Handle thread, const char* reason);
/// Resumes a thread from waiting by marking it as "ready"
void ResumeThreadFromWait(Handle handle);
@ -80,10 +81,10 @@ void WaitCurrentThread(WaitType wait_type, Handle wait_handle=GetCurrentThreadHa
void WaitThread_Synchronization();
/// Get the priority of the thread specified by handle
u32 GetThreadPriority(const Handle handle);
ResultVal<u32> GetThreadPriority(const Handle handle);
/// Set the priority of the thread specified by handle
Result SetThreadPriority(Handle handle, s32 priority);
ResultCode SetThreadPriority(Handle handle, s32 priority);
/// Initialize threading
void ThreadingInit();

400
src/core/hle/result.h Normal file
View file

@ -0,0 +1,400 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <cassert>
#include <cstddef>
#include <type_traits>
#include <utility>
#include "common/common_types.h"
#include "common/bit_field.h"
// All the constants in this file come from http://3dbrew.org/wiki/Error_codes
/// Detailed description of the error. This listing is likely incomplete.
enum class ErrorDescription : u32 {
Success = 0,
InvalidSection = 1000,
TooLarge = 1001,
NotAuthorized = 1002,
AlreadyDone = 1003,
InvalidSize = 1004,
InvalidEnumValue = 1005,
InvalidCombination = 1006,
NoData = 1007,
Busy = 1008,
MisalignedAddress = 1009,
MisalignedSize = 1010,
OutOfMemory = 1011,
NotImplemented = 1012,
InvalidAddress = 1013,
InvalidPointer = 1014,
InvalidHandle = 1015,
NotInitialized = 1016,
AlreadyInitialized = 1017,
NotFound = 1018,
CancelRequested = 1019,
AlreadyExists = 1020,
OutOfRange = 1021,
Timeout = 1022,
InvalidResultValue = 1023,
};
/**
* Identifies the module which caused the error. Error codes can be propagated through a call
* chain, meaning that this doesn't always correspond to the module where the API call made is
* contained.
*/
enum class ErrorModule : u32 {
Common = 0,
Kernel = 1,
Util = 2,
FileServer = 3,
LoaderServer = 4,
TCB = 5,
OS = 6,
DBG = 7,
DMNT = 8,
PDN = 9,
GX = 10,
I2C = 11,
GPIO = 12,
DD = 13,
CODEC = 14,
SPI = 15,
PXI = 16,
FS = 17,
DI = 18,
HID = 19,
CAM = 20,
PI = 21,
PM = 22,
PM_LOW = 23,
FSI = 24,
SRV = 25,
NDM = 26,
NWM = 27,
SOC = 28,
LDR = 29,
ACC = 30,
RomFS = 31,
AM = 32,
HIO = 33,
Updater = 34,
MIC = 35,
FND = 36,
MP = 37,
MPWL = 38,
AC = 39,
HTTP = 40,
DSP = 41,
SND = 42,
DLP = 43,
HIO_LOW = 44,
CSND = 45,
SSL = 46,
AM_LOW = 47,
NEX = 48,
Friends = 49,
RDT = 50,
Applet = 51,
NIM = 52,
PTM = 53,
MIDI = 54,
MC = 55,
SWC = 56,
FatFS = 57,
NGC = 58,
CARD = 59,
CARDNOR = 60,
SDMC = 61,
BOSS = 62,
DBM = 63,
Config = 64,
PS = 65,
CEC = 66,
IR = 67,
UDS = 68,
PL = 69,
CUP = 70,
Gyroscope = 71,
MCU = 72,
NS = 73,
News = 74,
RO_1 = 75,
GD = 76,
CardSPI = 77,
EC = 78,
RO_2 = 79,
WebBrowser = 80,
Test = 81,
ENC = 82,
PIA = 83,
Application = 254,
InvalidResult = 255
};
/// A less specific error cause.
enum class ErrorSummary : u32 {
Success = 0,
NothingHappened = 1,
WouldBlock = 2,
OutOfResource = 3, ///< There are no more kernel resources (memory, table slots) to
///< execute the operation.
NotFound = 4, ///< A file or resource was not found.
InvalidState = 5,
NotSupported = 6, ///< The operation is not supported or not implemented.
InvalidArgument = 7, ///< Returned when a passed argument is invalid in the current runtime
///< context. (Invalid handle, out-of-bounds pointer or size, etc.)
WrongArgument = 8, ///< Returned when a passed argument is in an incorrect format for use
///< with the function. (E.g. Invalid enum value)
Canceled = 9,
StatusChanged = 10,
Internal = 11,
InvalidResult = 63
};
/// The severity of the error.
enum class ErrorLevel : u32 {
Success = 0,
Info = 1,
Status = 25,
Temporary = 26,
Permanent = 27,
Usage = 28,
Reinitialize = 29,
Reset = 30,
Fatal = 31
};
/// Encapsulates a CTR-OS error code, allowing it to be separated into its constituent fields.
union ResultCode {
u32 raw;
BitField<0, 10, ErrorDescription> description;
BitField<10, 8, ErrorModule> module;
BitField<21, 6, ErrorSummary> summary;
BitField<27, 5, ErrorLevel> level;
// The last bit of `level` is checked by apps and the kernel to determine if a result code is an error
BitField<31, 1, u32> is_error;
explicit ResultCode(u32 raw) : raw(raw) {}
ResultCode(ErrorDescription description_, ErrorModule module_,
ErrorSummary summary_, ErrorLevel level_) : raw(0) {
description = description_;
module = module_;
summary = summary_;
level = level_;
}
ResultCode& operator=(const ResultCode& o) { raw = o.raw; return *this; }
bool IsSuccess() const {
return is_error == 0;
}
bool IsError() const {
return is_error == 1;
}
};
inline bool operator==(const ResultCode a, const ResultCode b) {
return a.raw == b.raw;
}
inline bool operator!=(const ResultCode a, const ResultCode b) {
return a.raw != b.raw;
}
// Convenience functions for creating some common kinds of errors:
/// The default success `ResultCode`.
const ResultCode RESULT_SUCCESS(0);
/// Might be returned instead of a dummy success for unimplemented APIs.
inline ResultCode UnimplementedFunction(ErrorModule module) {
return ResultCode(ErrorDescription::NotImplemented, module,
ErrorSummary::NotSupported, ErrorLevel::Permanent);
}
/// Returned when a function is passed an invalid handle.
inline ResultCode InvalidHandle(ErrorModule module) {
return ResultCode(ErrorDescription::InvalidHandle, module,
ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
}
/**
* This is an optional value type. It holds a `ResultCode` and, if that code is a success code,
* also holds a result of type `T`. If the code is an error code then trying to access the inner
* value fails, thus ensuring that the ResultCode of functions is always checked properly before
* their return value is used. It is similar in concept to the `std::optional` type
* (http://en.cppreference.com/w/cpp/experimental/optional) originally proposed for inclusion in
* C++14, or the `Result` type in Rust (http://doc.rust-lang.org/std/result/index.html).
*
* An example of how it could be used:
* \code
* ResultVal<int> Frobnicate(float strength) {
* if (strength < 0.f || strength > 1.0f) {
* // Can't frobnicate too weakly or too strongly
* return ResultCode(ErrorDescription::OutOfRange, ErrorModule::Common,
* ErrorSummary::InvalidArgument, ErrorLevel::Permanent);
* } else {
* // Frobnicated! Give caller a cookie
* return MakeResult<int>(42);
* }
* }
* \endcode
*
* \code
* ResultVal<int> frob_result = Frobnicate(0.75f);
* if (frob_result) {
* // Frobbed ok
* printf("My cookie is %d\n", *frob_result);
* } else {
* printf("Guess I overdid it. :( Error code: %ux\n", frob_result.code().hex);
* }
* \endcode
*/
template <typename T>
class ResultVal {
public:
/// Constructs an empty `ResultVal` with the given error code. The code must not be a success code.
ResultVal(ResultCode error_code = ResultCode(-1))
: result_code(error_code)
{
assert(error_code.IsError());
UpdateDebugPtr();
}
/**
* Similar to the non-member function `MakeResult`, with the exception that you can manually
* specify the success code. `success_code` must not be an error code.
*/
template <typename... Args>
static ResultVal WithCode(ResultCode success_code, Args&&... args) {
ResultVal<T> result;
result.emplace(success_code, std::forward<Args>(args)...);
return result;
}
ResultVal(const ResultVal& o)
: result_code(o.result_code)
{
if (!o.empty()) {
new (&storage) T(*o.GetPointer());
}
UpdateDebugPtr();
}
ResultVal(ResultVal&& o)
: result_code(o.result_code)
{
if (!o.empty()) {
new (&storage) T(std::move(*o.GetPointer()));
}
UpdateDebugPtr();
}
~ResultVal() {
if (!empty()) {
GetPointer()->~T();
}
}
ResultVal& operator=(const ResultVal& o) {
if (*this) {
if (o) {
*GetPointer() = *o.GetPointer();
} else {
GetPointer()->~T();
}
} else {
if (o) {
new (&storage) T(*o.GetPointer());
}
}
result_code = o.result_code;
UpdateDebugPtr();
return *this;
}
/**
* Replaces the current result with a new constructed result value in-place. The code must not
* be an error code.
*/
template <typename... Args>
void emplace(ResultCode success_code, Args&&... args) {
assert(success_code.IsSuccess());
if (!empty()) {
GetPointer()->~T();
}
new (&storage) T(std::forward<Args>(args)...);
result_code = success_code;
UpdateDebugPtr();
}
/// Returns true if the `ResultVal` contains an error code and no value.
bool empty() const { return result_code.IsError(); }
/// Returns true if the `ResultVal` contains a return value.
bool Succeeded() const { return result_code.IsSuccess(); }
/// Returns true if the `ResultVal` contains an error code and no value.
bool Failed() const { return empty(); }
ResultCode Code() const { return result_code; }
const T& operator* () const { return *GetPointer(); }
T& operator* () { return *GetPointer(); }
const T* operator->() const { return GetPointer(); }
T* operator->() { return GetPointer(); }
/// Returns the value contained in this `ResultVal`, or the supplied default if it is missing.
template <typename U>
T ValueOr(U&& value) const {
return !empty() ? *GetPointer() : std::move(value);
}
private:
typedef typename std::aligned_storage<sizeof(T), std::alignment_of<T>::value>::type StorageType;
StorageType storage;
ResultCode result_code;
#if _DEBUG
// The purpose of this pointer is to aid inspecting the type with a debugger, eliminating the
// need to cast `storage` to a pointer or pay attention to `result_code`.
const T* debug_ptr;
#endif
void UpdateDebugPtr() {
#if _DEBUG
debug_ptr = empty() ? nullptr : static_cast<const T*>(static_cast<const void*>(&storage));
#endif
}
const T* GetPointer() const {
assert(!empty());
return static_cast<const T*>(static_cast<const void*>(&storage));
}
T* GetPointer() {
assert(!empty());
return static_cast<T*>(static_cast<void*>(&storage));
}
};
/**
* This function is a helper used to construct `ResultVal`s. It receives the arguments to construct
* `T` with and creates a success `ResultVal` contained the constructed value.
*/
template <typename T, typename... Args>
ResultVal<T> MakeResult(Args&&... args) {
return ResultVal<T>::WithCode(RESULT_SUCCESS, std::forward<Args>(args)...);
}

66
src/core/hle/service/fs_user.cpp
View file

@ -4,26 +4,24 @@
#include "common/common.h"
#include "fs_user.h"
#include "common/string_util.h"
#include "core/settings.h"
#include "core/hle/kernel/archive.h"
#include "core/hle/kernel/archive.h"
#include "core/hle/result.h"
#include "core/hle/service/fs_user.h"
#include "core/settings.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace FS_User
namespace FS_User {
// We currently return 0 for success and -1 for failure in cmd_buff[1]. -1 was chosen because it
// puts all the sections of the http://3dbrew.org/wiki/Error_codes to something non-zero, to make
// sure we don't mislead the application into thinking something worked.
static void Initialize(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
// TODO(Link Mauve): check the behavior when cmd_buff[1] isn't 32, as per
// http://3dbrew.org/wiki/FS:Initialize#Request
cmd_buff[1] = 0;
cmd_buff[1] = RESULT_SUCCESS.raw;
DEBUG_LOG(KERNEL, "called");
}
@ -59,14 +57,12 @@ static void OpenFile(Service::Interface* self) {
DEBUG_LOG(KERNEL, "path=%s, mode=%d attrs=%d", file_path.DebugStr().c_str(), mode, attributes);
Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
ResultVal<Handle> handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) {
cmd_buff[3] = *handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_path.DebugStr().c_str());
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
@ -111,27 +107,27 @@ static void OpenFileDirectly(Service::Interface* self) {
if (archive_path.GetType() != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
return;
}
// TODO(Link Mauve): Check if we should even get a handle for the archive, and don't leak it
Handle archive_handle = Kernel::OpenArchive(archive_id);
if (!archive_handle) {
// TODO(yuriks): Why is there all this duplicate (and seemingly useless) code up here?
ResultVal<Handle> archive_handle = Kernel::OpenArchive(archive_id);
cmd_buff[1] = archive_handle.Code().raw;
if (archive_handle.Failed()) {
ERROR_LOG(KERNEL, "failed to get a handle for archive");
// TODO(Link Mauve): Check for the actual error values, this one was just chosen arbitrarily
cmd_buff[1] = -1;
return;
}
// cmd_buff[2] isn't used according to 3dmoo's implementation.
cmd_buff[3] = *archive_handle;
Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_path, mode);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
ResultVal<Handle> handle = Kernel::OpenFileFromArchive(*archive_handle, file_path, mode);
cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) {
cmd_buff[3] = *handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_path.DebugStr().c_str());
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
@ -243,14 +239,12 @@ static void OpenDirectory(Service::Interface* self) {
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_path.DebugStr().c_str());
Handle handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_path);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
ResultVal<Handle> handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_path);
cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) {
cmd_buff[3] = *handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for directory");
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
@ -282,19 +276,17 @@ static void OpenArchive(Service::Interface* self) {
if (archive_path.GetType() != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
return;
}
Handle handle = Kernel::OpenArchive(archive_id);
if (handle) {
cmd_buff[1] = 0;
ResultVal<Handle> handle = Kernel::OpenArchive(archive_id);
cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) {
// cmd_buff[2] isn't used according to 3dmoo's implementation.
cmd_buff[3] = handle;
cmd_buff[3] = *handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for archive");
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");

17
src/core/hle/service/gsp_gpu.cpp
View file

@ -28,28 +28,23 @@ u32 g_thread_id = 1; ///< Thread index into interrupt relay queue, 1
/// Gets a pointer to a thread command buffer in GSP shared memory
static inline u8* GetCommandBuffer(u32 thread_id) {
if (0 == g_shared_memory)
return nullptr;
return Kernel::GetSharedMemoryPointer(g_shared_memory,
0x800 + (thread_id * sizeof(CommandBuffer)));
ResultVal<u8*> ptr = Kernel::GetSharedMemoryPointer(g_shared_memory, 0x800 + (thread_id * sizeof(CommandBuffer)));
return ptr.ValueOr(nullptr);
}
static inline FrameBufferUpdate* GetFrameBufferInfo(u32 thread_id, u32 screen_index) {
if (0 == g_shared_memory)
return nullptr;
_dbg_assert_msg_(GSP, screen_index < 2, "Invalid screen index");
// For each thread there are two FrameBufferUpdate fields
u32 offset = 0x200 + (2 * thread_id + screen_index) * sizeof(FrameBufferUpdate);
return (FrameBufferUpdate*)Kernel::GetSharedMemoryPointer(g_shared_memory, offset);
ResultVal<u8*> ptr = Kernel::GetSharedMemoryPointer(g_shared_memory, offset);
return reinterpret_cast<FrameBufferUpdate*>(ptr.ValueOr(nullptr));
}
/// Gets a pointer to the interrupt relay queue for a given thread index
static inline InterruptRelayQueue* GetInterruptRelayQueue(u32 thread_id) {
return (InterruptRelayQueue*)Kernel::GetSharedMemoryPointer(g_shared_memory,
sizeof(InterruptRelayQueue) * thread_id);
ResultVal<u8*> ptr = Kernel::GetSharedMemoryPointer(g_shared_memory, sizeof(InterruptRelayQueue) * thread_id);
return reinterpret_cast<InterruptRelayQueue*>(ptr.ValueOr(nullptr));
}
static void WriteHWRegs(u32 base_address, u32 size_in_bytes, const u32* data) {

5
src/core/hle/service/hid_user.cpp
View file

@ -34,10 +34,7 @@ static s16 next_circle_y = 0;
* Gets a pointer to the PadData structure inside HID shared memory
*/
static inline PadData* GetPadData() {
if (0 == shared_mem)
return nullptr;
return reinterpret_cast<PadData*>(Kernel::GetSharedMemoryPointer(shared_mem, 0));
return reinterpret_cast<PadData*>(Kernel::GetSharedMemoryPointer(shared_mem, 0).ValueOr(nullptr));
}
/**

2
src/core/hle/service/service.cpp
View file

@ -62,7 +62,7 @@ void Manager::DeleteService(const std::string& port_name) {
/// Get a Service Interface from its Handle
Interface* Manager::FetchFromHandle(Handle handle) {
return Kernel::g_object_pool.GetFast<Interface>(handle);
return Kernel::g_object_pool.Get<Interface>(handle);
}
/// Get a Service Interface from its port

22
src/core/hle/service/service.h
View file

@ -75,12 +75,7 @@ public:
m_handles.erase(std::remove(m_handles.begin(), m_handles.end(), handle), m_handles.end());
}
/**
* Synchronize kernel object
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result SyncRequest(bool* wait) override {
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
@ -91,7 +86,7 @@ public:
// TODO(bunnei): Hack - ignore error
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0;
return 0;
return MakeResult<bool>(false);
}
if (itr->second.func == nullptr) {
ERROR_LOG(OSHLE, "unimplemented function: port=%s, name=%s",
@ -100,23 +95,18 @@ public:
// TODO(bunnei): Hack - ignore error
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0;
return 0;
return MakeResult<bool>(false);
}
itr->second.func(this);
return 0; // TODO: Implement return from actual function
return MakeResult<bool>(false); // TODO: Implement return from actual function
}
/**
* Wait for kernel object to synchronize
* @param wait Boolean wait set if current thread should wait as a result of sync operation
* @return Result of operation, 0 on success, otherwise error code
*/
Result WaitSynchronization(bool* wait) override {
ResultVal<bool> WaitSynchronization() override {
// TODO(bunnei): ImplementMe
ERROR_LOG(OSHLE, "unimplemented function");
return 0;
return UnimplementedFunction(ErrorModule::OS);
}
protected:

6
src/core/hle/service/srv.cpp
View file

@ -35,7 +35,7 @@ static void GetProcSemaphore(Service::Interface* self) {
}
static void GetServiceHandle(Service::Interface* self) {
Result res = 0;
ResultCode res = RESULT_SUCCESS;
u32* cmd_buff = Service::GetCommandBuffer();
std::string port_name = std::string((const char*)&cmd_buff[1], 0, Service::kMaxPortSize);
@ -46,9 +46,9 @@ static void GetServiceHandle(Service::Interface* self) {
DEBUG_LOG(OSHLE, "called port=%s, handle=0x%08X", port_name.c_str(), cmd_buff[3]);
} else {
ERROR_LOG(OSHLE, "(UNIMPLEMENTED) called port=%s", port_name.c_str());
res = -1;
res = UnimplementedFunction(ErrorModule::SRV);
}
cmd_buff[1] = res;
cmd_buff[1] = res.raw;
}
const Interface::FunctionInfo FunctionTable[] = {

68
src/core/hle/svc.cpp
View file

@ -16,6 +16,7 @@
#include "core/hle/kernel/thread.h"
#include "core/hle/function_wrappers.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
@ -86,18 +87,22 @@ static Result ConnectToPort(Handle* out, const char* port_name) {
/// Synchronize to an OS service
static Result SendSyncRequest(Handle handle) {
// TODO(yuriks): ObjectPool::Get tries to check the Object type, which fails since this is a generic base Object,
// so we are forced to use GetFast and manually verify the handle.
if (!Kernel::g_object_pool.IsValid(handle)) {
return InvalidHandle(ErrorModule::Kernel).raw;
}
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
_assert_msg_(KERNEL, (object != nullptr), "called, but kernel object is nullptr!");
DEBUG_LOG(SVC, "called handle=0x%08X(%s)", handle, object->GetTypeName().c_str());
bool wait = false;
Result res = object->SyncRequest(&wait);
if (wait) {
ResultVal<bool> wait = object->SyncRequest();
if (wait.Succeeded() && *wait) {
Kernel::WaitCurrentThread(WAITTYPE_SYNCH); // TODO(bunnei): Is this correct?
}
return res;
return wait.Code().raw;
}
/// Close a handle
@ -110,25 +115,25 @@ static Result CloseHandle(Handle handle) {
/// Wait for a handle to synchronize, timeout after the specified nanoseconds
static Result WaitSynchronization1(Handle handle, s64 nano_seconds) {
// TODO(bunnei): Do something with nano_seconds, currently ignoring this
bool wait = false;
bool wait_infinite = (nano_seconds == -1); // Used to wait until a thread has terminated
if (!Kernel::g_object_pool.IsValid(handle)) {
return InvalidHandle(ErrorModule::Kernel).raw;
}
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handle);
_dbg_assert_(KERNEL, object != nullptr);
DEBUG_LOG(SVC, "called handle=0x%08X(%s:%s), nanoseconds=%lld", handle, object->GetTypeName().c_str(),
object->GetName().c_str(), nano_seconds);
_assert_msg_(KERNEL, (object != nullptr), "called, but kernel object is nullptr!");
Result res = object->WaitSynchronization(&wait);
ResultVal<bool> wait = object->WaitSynchronization();
// Check for next thread to schedule
if (wait) {
if (wait.Succeeded() && *wait) {
HLE::Reschedule(__func__);
return 0;
}
return res;
return wait.Code().raw;
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
@ -143,20 +148,21 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
// Iterate through each handle, synchronize kernel object
for (s32 i = 0; i < handle_count; i++) {
bool wait = false;
if (!Kernel::g_object_pool.IsValid(handles[i])) {
return InvalidHandle(ErrorModule::Kernel).raw;
}
Kernel::Object* object = Kernel::g_object_pool.GetFast<Kernel::Object>(handles[i]);
_assert_msg_(KERNEL, (object != nullptr), "called handle=0x%08X, but kernel object "
"is nullptr!", handles[i]);
DEBUG_LOG(SVC, "\thandle[%d] = 0x%08X(%s:%s)", i, handles[i], object->GetTypeName().c_str(),
object->GetName().c_str());
Result res = object->WaitSynchronization(&wait);
// TODO(yuriks): Verify how the real function behaves when an error happens here
ResultVal<bool> wait_result = object->WaitSynchronization();
bool wait = wait_result.Succeeded() && *wait_result;
if (!wait && !wait_all) {
*out = i;
return 0;
return RESULT_SUCCESS.raw;
} else {
unlock_all = false;
}
@ -164,13 +170,13 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
if (wait_all && unlock_all) {
*out = handle_count;
return 0;
return RESULT_SUCCESS.raw;
}
// Check for next thread to schedule
HLE::Reschedule(__func__);
return 0;
return RESULT_SUCCESS.raw;
}
/// Create an address arbiter (to allocate access to shared resources)
@ -183,8 +189,8 @@ static Result CreateAddressArbiter(u32* arbiter) {
/// Arbitrate address
static Result ArbitrateAddress(Handle arbiter, u32 address, u32 type, u32 value, s64 nanoseconds) {
return Kernel::ArbitrateAddress(arbiter, static_cast<Kernel::ArbitrationType>(type), address,
value);
return Kernel::ArbitrateAddress(arbiter, static_cast<Kernel::ArbitrationType>(type),
address, value).raw;
}
/// Used to output a message on a debug hardware unit - does nothing on a retail unit
@ -246,13 +252,16 @@ static u32 ExitThread() {
/// Gets the priority for the specified thread
static Result GetThreadPriority(s32* priority, Handle handle) {
*priority = Kernel::GetThreadPriority(handle);
return 0;
ResultVal<u32> priority_result = Kernel::GetThreadPriority(handle);
if (priority_result.Succeeded()) {
*priority = *priority_result;
}
return priority_result.Code().raw;
}
/// Sets the priority for the specified thread
static Result SetThreadPriority(Handle handle, s32 priority) {
return Kernel::SetThreadPriority(handle, priority);
return Kernel::SetThreadPriority(handle, priority).raw;
}
/// Create a mutex
@ -266,9 +275,8 @@ static Result CreateMutex(Handle* mutex, u32 initial_locked) {
/// Release a mutex
static Result ReleaseMutex(Handle handle) {
DEBUG_LOG(SVC, "called handle=0x%08X", handle);
_assert_msg_(KERNEL, (handle != 0), "called, but handle is nullptr!");
Kernel::ReleaseMutex(handle);
return 0;
ResultCode res = Kernel::ReleaseMutex(handle);
return res.raw;
}
/// Get current thread ID
@ -310,16 +318,14 @@ static Result DuplicateHandle(Handle* out, Handle handle) {
/// Signals an event
static Result SignalEvent(Handle evt) {
Result res = Kernel::SignalEvent(evt);
DEBUG_LOG(SVC, "called event=0x%08X", evt);
return res;
return Kernel::SignalEvent(evt).raw;
}
/// Clears an event
static Result ClearEvent(Handle evt) {
Result res = Kernel::ClearEvent(evt);
DEBUG_LOG(SVC, "called event=0x%08X", evt);
return res;
return Kernel::ClearEvent(evt).raw;
}
/// Sleep the current thread