forked from suyu/suyu
134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
// Copyright 2014 Citra Emulator Project / PPSSPP Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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typedef s32 Handle;
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enum KernelIDType {
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KERNEL_ID_TYPE_THREAD = 1,
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KERNEL_ID_TYPE_SEMAPHORE = 2,
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KERNEL_ID_TYPE_MUTEX = 3,
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KERNEL_ID_TYPE_EVENT = 4,
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};
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enum {
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KERNEL_MAX_NAME_LENGTH = 0x100,
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KERNEL_DEFAULT_STACK_SIZE = 0x4000,
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};
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class KernelObjectPool;
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class KernelObject {
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friend class KernelObjectPool;
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u32 handle;
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public:
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virtual ~KernelObject() {}
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Handle GetHandle() const { return handle; }
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virtual const char *GetTypeName() { return "[BAD KERNEL OBJECT TYPE]"; }
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virtual const char *GetName() { return "[UNKNOWN KERNEL OBJECT]"; }
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virtual KernelIDType GetIDType() const = 0;
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};
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class KernelObjectPool {
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public:
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KernelObjectPool();
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~KernelObjectPool() {}
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// Allocates a handle within the range and inserts the object into the map.
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Handle Create(KernelObject *obj, int range_bottom=INITIAL_NEXT_ID, int range_top=0x7FFFFFFF);
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static KernelObject *CreateByIDType(int type);
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template <class T>
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u32 Destroy(Handle handle) {
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u32 error;
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if (Get<T>(handle, error)) {
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occupied[handle - HANDLE_OFFSET] = false;
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delete pool[handle - HANDLE_OFFSET];
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}
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return error;
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};
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bool IsValid(Handle handle);
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template <class T>
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T* Get(Handle handle, u32& outError) {
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if (handle < HANDLE_OFFSET || handle >= HANDLE_OFFSET + MAX_COUNT || !occupied[handle - HANDLE_OFFSET]) {
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// Tekken 6 spams 0x80020001 gets wrong with no ill effects, also on the real PSP
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if (handle != 0 && (u32)handle != 0x80020001) {
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WARN_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
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}
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outError = 0;//T::GetMissingErrorCode();
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return 0;
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} else {
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// Previously we had a dynamic_cast here, but since RTTI was disabled traditionally,
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// it just acted as a static case and everything worked. This means that we will never
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// see the Wrong type object error below, but we'll just have to live with that danger.
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T* t = static_cast<T*>(pool[handle - HANDLE_OFFSET]);
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if (t == 0 || t->GetIDType() != T::GetStaticIDType()) {
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WARN_LOG(KERNEL, "Kernel: Wrong object type for %i (%08x)", handle, handle);
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outError = 0;//T::GetMissingErrorCode();
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return 0;
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}
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outError = 0;//SCE_KERNEL_ERROR_OK;
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return t;
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}
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}
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// ONLY use this when you know the handle is valid.
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template <class T>
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T *GetFast(Handle handle) {
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const Handle realHandle = handle - HANDLE_OFFSET;
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_dbg_assert_(KERNEL, realHandle >= 0 && realHandle < MAX_COUNT && occupied[realHandle]);
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return static_cast<T *>(pool[realHandle]);
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}
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template <class T, typename ArgT>
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void Iterate(bool func(T *, ArgT), ArgT arg) {
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int type = T::GetStaticIDType();
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for (int i = 0; i < MAX_COUNT; i++)
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{
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if (!occupied[i])
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continue;
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T *t = static_cast<T *>(pool[i]);
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if (t->GetIDType() == type) {
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if (!func(t, arg))
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break;
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}
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}
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}
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bool GetIDType(Handle handle, int *type) const {
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if ((handle < HANDLE_OFFSET) || (handle >= HANDLE_OFFSET + MAX_COUNT) ||
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!occupied[handle - HANDLE_OFFSET]) {
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ERROR_LOG(KERNEL, "Kernel: Bad object handle %i (%08x)", handle, handle);
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return false;
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}
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KernelObject *t = pool[handle - HANDLE_OFFSET];
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*type = t->GetIDType();
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return true;
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}
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KernelObject *&operator [](Handle handle);
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void List();
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void Clear();
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int GetCount();
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private:
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enum {
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MAX_COUNT = 0x1000,
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HANDLE_OFFSET = 0x100,
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INITIAL_NEXT_ID = 0x10,
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};
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KernelObject *pool[MAX_COUNT];
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bool occupied[MAX_COUNT];
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int next_id;
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};
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extern KernelObjectPool g_kernel_objects;
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bool __KernelLoadExec(u32 entry_point);
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