- 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

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);