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// Copyright 2014 Citra Emulator Project / PPSSPP Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
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,
};
enum {
KERNEL_MAX_NAME_LENGTH = 0x100,
KERNEL_DEFAULT_STACK_SIZE = 0x4000,
};
class KernelObjectPool;
class KernelObject {
friend class KernelObjectPool;
u32 handle;
public:
virtual ~KernelObject() {}
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;
};
class KernelObjectPool {
public:
KernelObjectPool();
~KernelObjectPool() {}
// 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);
static KernelObject *CreateByIDType(int type);
template <class T>
u32 Destroy(Handle handle) {
u32 error;
if (Get<T>(handle, error)) {
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) {
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) {
WARN_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
}
outError = 0;//T::GetMissingErrorCode();
return 0;
} 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->GetIDType() != T::GetStaticIDType()) {
WARN_LOG(KERNEL, "Kernel: Wrong object type for %i (%08x)", handle, handle);
outError = 0;//T::GetMissingErrorCode();
return 0;
}
outError = 0;//SCE_KERNEL_ERROR_OK;
return t;
}
}
// ONLY use this when you know the handle is valid.
template <class T>
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]);
}
template <class T, typename ArgT>
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]);
if (t->GetIDType() == type) {
if (!func(t, arg))
break;
}
}
}
bool GetIDType(Handle handle, int *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();
return true;
}
KernelObject *&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;
};
extern KernelObjectPool g_kernel_objects;
bool __KernelLoadExec(u32 entry_point);
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