yuzu-emu
/
yuzu-android
Archived
1
0
Fork 0
Code

- created a Kernel namespace 

- cleaned up Kernel code a bit (moved stuff into namespace, fixed whitespace issues)
- added handle types for all different CTROS handles
This commit is contained in:
bunnei 2014-05-20 18:13:25 -04:00
parent 0886dc70ed
commit 44336329ed
6 changed files with 87 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
src/core/hle/kernel/kernel.cpp
View File

@ -12,22 +12,16 @@
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
KernelObjectPool g_kernel_objects;
namespace Kernel {
void __KernelInit() {
__KernelThreadingInit();
}
ObjectPool g_object_pool;
void __KernelShutdown() {
__KernelThreadingShutdown();
}
KernelObjectPool::KernelObjectPool() {
ObjectPool::ObjectPool() {
memset(occupied, 0, sizeof(bool) * MAX_COUNT);
next_id = INITIAL_NEXT_ID;
}
Handle KernelObjectPool::Create(KernelObject *obj, int range_bottom, int range_top) {
Handle ObjectPool::Create(Object* obj, int range_bottom, int range_top) {
if (range_top > MAX_COUNT) {
range_top = MAX_COUNT;
}
@ -46,8 +40,7 @@ Handle KernelObjectPool::Create(KernelObject *obj, int range_bottom, int range_t
return 0;
}
bool KernelObjectPool::IsValid(Handle handle)
{
bool ObjectPool::IsValid(Handle handle) {
int index = handle - HANDLE_OFFSET;
if (index < 0)
return false;
@ -57,26 +50,24 @@ bool KernelObjectPool::IsValid(Handle handle)
return occupied[index];
}
void KernelObjectPool::Clear()
{
for (int i = 0; i < MAX_COUNT; i++)
{
void ObjectPool::Clear() {
for (int i = 0; i < MAX_COUNT; i++) {
//brutally clear everything, no validation
if (occupied[i])
delete pool[i];
occupied[i] = false;
}
memset(pool, 0, sizeof(KernelObject*)*MAX_COUNT);
memset(pool, 0, sizeof(Object*)*MAX_COUNT);
next_id = INITIAL_NEXT_ID;
}
KernelObject *&KernelObjectPool::operator [](Handle handle)
Object* &ObjectPool::operator [](Handle handle)
{
_dbg_assert_msg_(KERNEL, IsValid(handle), "GRABBING UNALLOCED KERNEL OBJ");
return pool[handle - HANDLE_OFFSET];
}
void KernelObjectPool::List() {
void ObjectPool::List() {
for (int i = 0; i < MAX_COUNT; i++) {
if (occupied[i]) {
if (pool[i]) {
@ -87,18 +78,16 @@ void KernelObjectPool::List() {
}
}
int KernelObjectPool::GetCount()
{
int ObjectPool::GetCount() {
int count = 0;
for (int i = 0; i < MAX_COUNT; i++)
{
for (int i = 0; i < MAX_COUNT; i++) {
if (occupied[i])
count++;
}
return count;
}
KernelObject *KernelObjectPool::CreateByIDType(int type) {
Object* ObjectPool::CreateByIDType(int type) {
// Used for save states. This is ugly, but what other way is there?
switch (type) {
//case SCE_KERNEL_TMID_Alarm:
@ -142,8 +131,18 @@ KernelObject *KernelObjectPool::CreateByIDType(int type) {
}
}
void Init() {
__KernelThreadingInit();
}
void Shutdown() {
__KernelThreadingShutdown();
}
} // namespace
bool __KernelLoadExec(u32 entry_point) {
__KernelInit();
Kernel::Init();
Core::g_app_core->SetPC(entry_point);

75
src/core/hle/kernel/kernel.h
View File

@ -9,41 +9,50 @@
typedef u32 Handle;
typedef s32 Result;
enum KernelIDType {
KERNEL_ID_TYPE_THREAD,
KERNEL_ID_TYPE_SEMAPHORE,
KERNEL_ID_TYPE_MUTEX,
KERNEL_ID_TYPE_EVENT,
KERNEL_ID_TYPE_SERVICE,
};
namespace Kernel {
enum class HandleType : u32 {
Unknown = 0,
Port = 1,
Service = 2,
Event = 3,
Mutex = 4,
SharedMemory = 5,
Redirection = 6,
Thread = 7,
Process = 8,
Arbiter = 9,
File = 10,
Semaphore = 11,
};
enum {
KERNEL_MAX_NAME_LENGTH = 0x100,
KERNEL_DEFAULT_STACK_SIZE = 0x4000,
MAX_NAME_LENGTH = 0x100,
DEFAULT_STACK_SIZE = 0x4000,
};
class KernelObjectPool;
class ObjectPool;
class KernelObject {
friend class KernelObjectPool;
class Object : NonCopyable {
friend class ObjectPool;
u32 handle;
public:
virtual ~KernelObject() {}
virtual ~Object() {}
Handle GetHandle() const { return handle; }
virtual const char *GetTypeName() { return "[BAD KERNEL OBJECT TYPE]"; }
virtual const char *GetName() { return "[UNKNOWN KERNEL OBJECT]"; }
virtual KernelIDType GetIDType() const = 0;
virtual Kernel::HandleType GetHandleType() const = 0;
};
class KernelObjectPool {
class ObjectPool : NonCopyable {
public:
KernelObjectPool();
~KernelObjectPool() {}
ObjectPool();
~ObjectPool() {}
// Allocates a handle within the range and inserts the object into the map.
Handle Create(KernelObject *obj, int range_bottom=INITIAL_NEXT_ID, int range_top=0x7FFFFFFF);
Handle Create(Object* obj, int range_bottom=INITIAL_NEXT_ID, int range_top=0x7FFFFFFF);
static KernelObject *CreateByIDType(int type);
static Object* CreateByIDType(int type);
template <class T>
u32 Destroy(Handle handle) {
@ -71,7 +80,7 @@ public:
// 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->GetIDType() != T::GetStaticIDType()) {
if (t == 0 || t->GetHandleType() != T::GetStaticHandleType()) {
WARN_LOG(KERNEL, "Kernel: Wrong object type for %i (%08x)", handle, handle);
outError = 0;//T::GetMissingErrorCode();
return 0;
@ -86,17 +95,17 @@ public:
T *GetFast(Handle handle) {
const Handle realHandle = handle - HANDLE_OFFSET;
_dbg_assert_(KERNEL, realHandle >= 0 && realHandle < MAX_COUNT && occupied[realHandle]);
return static_cast<T *>(pool[realHandle]);
return static_cast<T*>(pool[realHandle]);
}
template <class T, typename ArgT>
void Iterate(bool func(T *, ArgT), ArgT arg) {
void Iterate(bool func(T*, ArgT), ArgT arg) {
int type = T::GetStaticIDType();
for (int i = 0; i < MAX_COUNT; i++)
{
if (!occupied[i])
continue;
T *t = static_cast<T *>(pool[i]);
T* t = static_cast<T*>(pool[i]);
if (t->GetIDType() == type) {
if (!func(t, arg))
break;
@ -104,33 +113,37 @@ public:
}
}
bool GetIDType(Handle handle, int *type) const {
bool GetIDType(Handle handle, HandleType* type) const {
if ((handle < HANDLE_OFFSET) || (handle >= HANDLE_OFFSET + MAX_COUNT) ||
!occupied[handle - HANDLE_OFFSET]) {
ERROR_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
return false;
}
KernelObject *t = pool[handle - HANDLE_OFFSET];
*type = t->GetIDType();
Object* t = pool[handle - HANDLE_OFFSET];
*type = t->GetHandleType();
return true;
}
KernelObject *&operator [](Handle handle);
Object* &operator [](Handle handle);
void List();
void Clear();
int GetCount();
private:
enum {
MAX_COUNT = 0x1000,
HANDLE_OFFSET = 0x100,
INITIAL_NEXT_ID = 0x10,
};
KernelObject *pool[MAX_COUNT];
bool occupied[MAX_COUNT];
int next_id;
Object* pool[MAX_COUNT];
bool occupied[MAX_COUNT];
int next_id;
};
extern KernelObjectPool g_kernel_objects;
extern ObjectPool g_object_pool;
} // namespace
bool __KernelLoadExec(u32 entry_point);

18
src/core/hle/kernel/thread.cpp
View File

@ -42,14 +42,14 @@ enum WaitType {
WAITTYPE_SYNCH,
};
class Thread : public KernelObject {
class Thread : public Kernel::Object {
public:
const char *GetName() { return name; }
const char *GetTypeName() { return "Thread"; }
static KernelIDType GetStaticIDType() { return KERNEL_ID_TYPE_THREAD; }
KernelIDType GetIDType() const { return KERNEL_ID_TYPE_THREAD; }
static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::Thread; }
Kernel::HandleType GetHandleType() const { return Kernel::HandleType::Thread; }
inline bool IsRunning() const { return (status & THREADSTATUS_RUNNING) != 0; }
inline bool IsStopped() const { return (status & THREADSTATUS_DORMANT) != 0; }
@ -71,7 +71,7 @@ public:
WaitType wait_type;
char name[KERNEL_MAX_NAME_LENGTH+1];
char name[Kernel::MAX_NAME_LENGTH + 1];
};
// Lists all thread ids that aren't deleted/etc.
@ -201,7 +201,7 @@ Thread *__KernelCreateThread(Handle &handle, const char *name, u32 entry_point,
Thread *t = new Thread;
handle = g_kernel_objects.Create(t);
handle = Kernel::g_object_pool.Create(t);
g_thread_queue.push_back(handle);
g_thread_ready_queue.prepare(priority);
@ -214,8 +214,8 @@ Thread *__KernelCreateThread(Handle &handle, const char *name, u32 entry_point,
t->processor_id = processor_id;
t->wait_type = WAITTYPE_NONE;
strncpy(t->name, name, KERNEL_MAX_NAME_LENGTH);
t->name[KERNEL_MAX_NAME_LENGTH] = '\0';
strncpy(t->name, name, Kernel::MAX_NAME_LENGTH);
t->name[Kernel::MAX_NAME_LENGTH] = '\0';
return t;
}
@ -296,7 +296,7 @@ Thread *__KernelNextThread() {
if (next < 0) {
return NULL;
}
return g_kernel_objects.GetFast<Thread>(next);
return Kernel::g_object_pool.GetFast<Thread>(next);
}
/// Sets up the primary application thread
@ -326,7 +326,7 @@ Handle __KernelSetupMainThread(s32 priority, int stack_size) {
/// Resumes a thread from waiting by marking it as "ready"
void __KernelResumeThreadFromWait(Handle handle) {
u32 error;
Thread *t = g_kernel_objects.Get<Thread>(handle, error);
Thread *t = Kernel::g_object_pool.Get<Thread>(handle, error);
if (t) {
t->status &= ~THREADSTATUS_WAIT;
if (!(t->status & (THREADSTATUS_WAITSUSPEND | THREADSTATUS_DORMANT | THREADSTATUS_DEAD))) {

4
src/core/hle/kernel/thread.h
View File

@ -23,10 +23,10 @@ enum ThreadProcessorId {
/// Creates a new thread - wrapper for external user
Handle __KernelCreateThread(const char *name, u32 entry_point, s32 priority,
s32 processor_id, u32 stack_top, int stack_size=KERNEL_DEFAULT_STACK_SIZE);
s32 processor_id, u32 stack_top, int stack_size=Kernel::DEFAULT_STACK_SIZE);
/// Sets up the primary application thread
Handle __KernelSetupMainThread(s32 priority, int stack_size=KERNEL_DEFAULT_STACK_SIZE);
Handle __KernelSetupMainThread(s32 priority, int stack_size=Kernel::DEFAULT_STACK_SIZE);
/// Reschedules to the next available thread (call after current thread is suspended)
void __KernelReschedule(const char *reason);

4
src/core/hle/service/service.cpp
View File

@ -34,7 +34,7 @@ Manager::~Manager() {
/// Add a service to the manager (does not create it though)
void Manager::AddService(Interface* service) {
m_port_map[service->GetPortName()] = g_kernel_objects.Create(service);
m_port_map[service->GetPortName()] = Kernel::g_object_pool.Create(service);
m_services.push_back(service);
}
@ -48,7 +48,7 @@ void Manager::DeleteService(std::string port_name) {
/// Get a Service Interface from its Handle
Interface* Manager::FetchFromHandle(Handle handle) {
return g_kernel_objects.GetFast<Interface>(handle);
return Kernel::g_object_pool.GetFast<Interface>(handle);
}
/// Get a Service Interface from its port

12
src/core/hle/service/service.h
View File

@ -36,15 +36,15 @@ inline static u32* GetCommandBuffer(const int offset=0) {
class Manager;
/// Interface to a CTROS service
class Interface : public KernelObject {
class Interface : public Kernel::Object {
friend class Manager;
public:
const char *GetName() { return GetPortName(); }
const char *GetTypeName() { return GetPortName(); }
static KernelIDType GetStaticIDType() { return KERNEL_ID_TYPE_THREAD; }
KernelIDType GetIDType() const { return KERNEL_ID_TYPE_THREAD; }
static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::Service; }
Kernel::HandleType GetHandleType() const { return Kernel::HandleType::Service; }
typedef void (*Function)(Interface*);
@ -63,8 +63,8 @@ public:
}
/// Allocates a new handle for the service
Handle CreateHandle(KernelObject *obj) {
Handle handle = g_kernel_objects.Create(obj);
Handle CreateHandle(Kernel::Object *obj) {
Handle handle = Kernel::g_object_pool.Create(obj);
m_handles.push_back(handle);
return handle;
}
@ -72,7 +72,7 @@ public:
/// Frees a handle from the service
template <class T>
void DeleteHandle(const Handle handle) {
g_kernel_objects.Destroy<T>(handle);
g_object_pool.Destroy<T>(handle);
m_handles.erase(std::remove(m_handles.begin(), m_handles.end(), handle), m_handles.end());
}